Little Reds Miracle Potion & Elixir:?
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The treatment can not cure CKF but could keep him with us 18 months - diet is most important of the ringer's solution to diurese "little red" at home for many weeks. First twice a day, 200 cc, then once a day.
There are mixtures for people "under the weather " with colds flu - but it's difficult to mix up a potion for a very sick animal - We plan to sell the product on the internet to Vets, individuals and health food stores.
Powered Mixture pre-made for sick dogs;
http://www.wiredbrain.com/red.htm
The mixture includes the items underlined below -Tincture and oils, the client adds to Fruit Juices, barley and produce, meats for flavor - blends to taste.
Little Red
http://www.wiredbrain.com/red.htm
Date:
Thu, 11 Feb 1999 21:27:20 -0800
From:
"Dr. Peter E. Pflaum" <wiredbrain@earthlink.net>
Reply-To:
pepflaum@bellsouth.net
Organization:
GlobalVillages
To:
"merzet@inna.net Dr Mike" <merzet@inna.net>
Dear Dr. Mike:
I'm looking at our precious puppy Little Red who is here next to me wearing his new sweater which reads "4 on the floor" (the sweater is red). Today is exactly 2 months since the Rotweiler attacked Little Red and traumatized our family. Thank you, Dr. Mike, for your part in keeping us together and in giving us your sound advice throughout our ordeal. We are hesitant to say all is well; but all is well at the moment. Right now, Little Red is our Little Red as we have always known him. We love our dog because of his character. A healthy dog is different -- he has a certain bounce -- Little Red has a special bounce \\ HIS BOUNCE IS BACK!!!! Thank you, Dr.Mike for your help. This is an amazing recovery.
We never will know what happened or why he got better. But we firmly believe that caring matters.
Little Red loves us and we love him.
The personnel at the vet's love him and we didn't give up. With such a sick dog it is not unusual to give up. We were told his chances of survival were quite low --. We still don't know -- we are far from complacent -- Every day that we have Little Red with us is a special day.
Sara, Mary Anne, Blaine, Peter, & Little Red
We have made several trips to the health store and hours of preparation and hand feeding - maybe Vets should have products made to treat different conditions - a general base then for common problems such as arteriosclerosis - arthritis - diabetes - skin disorders - hypertension - ulcers even cancer and kidney liver problems
Not a regular diet but for treatment of specific problems ( not as a substitute for medicine but as support ): We are using the diet from Natural Health for Dogs and Cats by Pitcairn and Pitcairn.
I have blended barley, parsley, yeast, kelp, parsnips, garlic, whole rolled oats, cabbage, carrots, yellow squash, apples, strawberries, with raw beef liver or chicken with cranberry and black cherry juices. Herbs and vitamins include B complex and C , tissue salts - calcarea phosphorica, Natrum muriaticum and alfalfa tincture, marsh mallow, pure water for drinking, honey - that has to be hand fed in a injector twice a day. He likes the liver and chicken and doesn't mind the vegetables blended in with juice and broth.
Vitamins supplementation should also be considered to replace those lost in the increased urine flow. Since kidney disease and failure can alter, among other things, the blood levels of calcium and phosphorus, medications designed to keep levels of these electrolytes constant are used well. Chronic renal failure or CRF, Nepro, a ready-to-feed nutritional supplement. kidneys' work can be made easier by limiting the intake of foods that produce large amounts of urea.
Vitamins, A, B+1, 2, 3, 6, 12, folic acid, biotin, beta-carotene C, D, D3, E, PABA, Choline, Inositol, dong quai, bee pollen, royal jelly, Tums, diagel, Pet Tabs ( Foster Smith ) Electrolyte: potassium, calcium, magnesium, lithium, iodine * kelp ( yes) Liver: Milk Thistle (yes), dandelion root (yes), Life's blood; burdock (yes) helps clean the blood ( black cherry ), Antibacterial; Pau D' Arco (yes), Goldseal (yes) Kidney, urinary track; Uva Ursi (yes), immune system; echinacea (yes), digestive; licorice root (yes), slippery elm bark(yes) Other possible elements: Astagalus, Reshi and Shitake mushrooms, horehound, ginger, thymus
Skin and Coat Food Supplement:
linoleic Acid, linolkenic Acid, Olric Acid,
Http://www.wiredbrain.com/red.htm
There are actually a number of premade foods for dogs that have various illnesses, such as liver or kidney damage.
The problem is that there are a lot of dogs that won't eat specific diets and so we often end up devising diets that are attractive enough for a specific dog to eat, anyway.
The idea of a base diet that can be improvised on is a good one.
There was a company marketing a line of diets several years ago based on that concept but they stopped making dog foods since that time. I am not sure why.
Feb. 7th, Sunday:
We have been doing subcutaneous saline, ringer's solution to diurese "little red" at home for about a week. First twice a day, 200 cc, then once a day. Sometimes it goes well, but sometimes it is very difficult. On Wed. we stopped and cut back on treatments because he seemed so much better and we were having such a hard time sticking him. He is running up stairs, trots on his walks, and seems almost normal. We are still using Prednisone every other day or third day, and making him eat the "gruel".
He has lost a lot of fur, mainly on his tummy.
The skin looks fine. As you know poodles don't shed so he is doing something odd.
The vet doesn't think the liquid between his coat and inter skin could cause this but the fluid did accumulate on his tummy. He looked like he was nursing. Fuss is growing back so we don't think it's a long term problem. e kidney failure in which ua little suffy but not very sick.
Jan 24 th
It seems like he feels "almost " fine - We will pass your suggestions to Dr. Jill ( Bates ) in the morning, ( since we are in there twice a day )
It seems the color of his gums gives a good indication of the BUN level - they had returned to pink, then went sort of dark - a little gray. We thought he was better and he was very hungry - so we let him eat - pro plan - eggs - and even a little cheese - Now I'm afraid we over pushed the system - so he back on daddy's gruel.
We agree that given time he can recover - We have thought of doing the treatments a home - I have held him while they put the fluid between the skins. If he has to do this for a month or more - we can learn to do it. Dr. Jill still thinks about Addition's and is using the Steroid's I am concerned about long term use ?
His BUN had dropped to 75 but now is back up to 140 - We restarted the Subcutaneous saline. Is there anything else we can do ?
In the last week he has been much better. He almost has his trot back and is alert and active. He gained weight up to 9 lb. 4 oz. We were surprised and disappointed by his production is
Testing Urine: If we do this - so what ? Will it give us information to do something we are not doing ?
The problem is now his mouth and tongue - he has lost 1/3 of his tongue due to decay and has sores. It's hard to eat.
Subcutaneous saline is used to diurese dogs with renal failure. Dialysis is not commonly used in pets due to the expense and lack of treatment facilities. Diuresis offers a lower tech alternative. Fluids are administered to force the kidneys to remove them and to drag some of the accumulated toxins out with them. As long as it is not overdone (this rarely happens) the more fluids that are administered, the better.
We are now using subcutaneous saline twice a day for several days to diurese dogs with renal failure, there is a marked improvement.
BUN was at a very dangerous 140 or higher now down below 75 It is a tough choice but when BUN and creatinine levels fail to respond to diuresis and total inappetance sets in most people elect to euthanize rather than to let a pet suffer.
Dear Peter and Mary Anne,
Dr. Pflaump-
Subcutaneous fluids are an effective way to aid the kidneys when renal failure is causing inadequate excretion of waste products. I prefer to use a buffered fluid such as Normosol or lactated ringer's solution over saline. It may be necessary for us to check the site and correct this statement if I have stated that saline is better somewhere.
It is worth monitoring something to evaluate whether or not the kidneys are responding to this therapy. In some pets it is easiest to monitor the urine and in other pets it is easier to monitor the blood values for things like BUN, creatinine, potassium and phosphorous levels. Monitoring urine protein levels, urine/creatinine ratio and specific gravity of the urine can all help in evaluating how the kidneys are doing. Sometimes we reach a point where we realize that a dog or cat is simply going to require daily fluid therapy in order to maintain adequate kidney function. Once we reach this point then monitoring becomes less important as a means of determining when to consider treatment. It still provides prognostic information, though.
Dietary control of protein and phosphorous levels using diets like Purina's NF and Hill's k/d can be helpful. Phosphorous binding agents (diagel) can be useful if phosphorous levels are rising. Potassium supplementation seems to help delay the progression of renal failure, especially when the values are lower than normal without supplementation. Some dogs will need to have gastrointestinal protectants such as cimetidine (Tagamet Rx) and others need appetite stimulants at times, although these work better in cats than they do in dogs. Control of high blood pressure is helpful if it is present.
It is really important to have a good working relationship with your vet in order to have the best shot at good long term control of kidney disease in dogs or cats. Keep talking to your vet and keep working with your vet. If it becomes financially difficult to do everything your vet would like to do then tell your vet and try to work out a plan that will provide the maximum benefit for the amount you can spend.
Most dogs can adjust to the loss of a third of their tongue. It may take a little more time but I really do think that he will adjust to this loss.
One thing that you have to remember is that
everyone who is giving you advice who can not
evaluate your dog in person is missing part of the picture.
There may come a time when you know that the fight is not worth it or when your vet tries to tell you that there is not much hope for stabilizing this condition anymore. Please trust your instincts when this happens. In the end you know Little Red better than anyone else. I am not sure if I am typical of veterinarians but sometimes I don't know when to give up, especially when I am dealing with conditions that appear to have a traumatic origin, which always makes me think that the body will be able to repair itself if I can just help the pet fight long enough.
I will continue to hope for the best for Little Red.
Mike Richards, DVM
I am not sure that I know exactly what information you are looking for in the note below so please feel free to send a clarifying note, if necessary. I am willing to talk to other veterinarians or correspond via email but it is important that everyone understand that I am not a specialist in any discipline. I am simply a general practitioner with twenty years of experience in private practice who is reasonably adept at finding information for people.
There are two good options for veterinarians seeking help with cases from veterinarians more expert than I am.
The first is the Veterinary Information Network, which is an online service. For information on this service call 1-800-700-4636.
The second is the AVMA's information service, NOAH.
The AVMA has a web page at www.avma.org, I think.
The history provided on "Little Red" is unfortunately not an uncommon scenario for little dog/big dog attacks. While the exact details often vary it is not unusual at all for little dogs to have extensive and life-threatening damage that is inapparent until days after the initial attack. It is also not highly unusual for a trauma to occur in a dog that is harboring an inapparent illness and for the illness to surface during the treatment and rehabilition of the little dog. Attacks by a big dog on a small dog have the potential for injuries to the kidneys to occur in a number of ways.
Big dogs often shake little dogs during an attack. This may fracture a kidney or disrupt its blood supply, although this is unusual.
The tooth may penetrate into the kidney or into the tissues surrounding the kidney and cause damage. Retroperitoneal abscesses occasionally occur after dog attacks and may surface weeks after the initial attack as the infection slowly builds in intensity.
Big dogs have tremendous crushing power in their bite and they may crush tissue such as muscle or skin and cause it to die. When large amounts of tissue die in the body it is hard on the kidneys and the other organs as they try to aid in the cleanup of the dead tissue. Organ failure during this process can occur.
Shock or blood loss from an attack can lead to hypotension (low blood pressure). When blood pressure is low enough, the kidneys are damaged. In a pet with marginal kidney function prior to the attack shock can be enough to set off full blown renal failure.
Infection of the kidneys from bacteria introduced into the bloodstream or other tissues at the time of the bite and then spread to the bloodstream can lead to kidney failure days after the initial bite.
A dog with hypoadrenocorticism (Addison's disease) prior to the initial attack that has not been diagnosed previously may die or suffer aggravated secondary effects such as kidney failure due to the pre-existing disease. Addison's disease can have very subtle signs in many dogs and it is not unusual for it to go undiagnosed until a crisis occurs.
Blood clots formed due to trauma may break loose and damage any organ.
The kidney is pretty susceptible to damage by blood clots due to its rich blood supply and the way the blood flow is directed through the kidneys. Bleeding disorders associated with major trauma or shock may lead to kidney damage as well.
Due to the potential for severe internal damage even in bites that do not seem to be especially serious based on the initial signs or skin injuries there are veterinarians who advocate surgical exploration of every puncture wound found after a dog attack. This is expensive and it subjects the dog to anesthetic risks which may also be higher due to trauma so there are also a number of veterinarians who feel that it is better to try to stabilize the patient and assess the damage more as signs develop. We have had success and failures using both approaches and I honestly do not know which is best in the majority of cases.
When bite wounds start to develop secondary complications it is not unusual for a case to go from bad to worse to really awful rapidly. Attacks by big dogs on little dogs are true nightmares from a diagnostic and treatment standpoint.
This attack should be reported to the animal wardens or appropriate authorities, as you indicate. I believe there as to be two confirmed reports of attacks before any legal consequences are possible. Since there is the potential for this to occur again it is important to report this instance.
I wish that I could offer a treatment plan that has consistently worked for us but there are so many variables in the complications that can develop from bite wounds that we are often forced to react to the symptoms rather than being able to prevent all of them.
I hope that Little Red has survived the complications that have occurred so far. If so, experience tells me he is very lucky and that he has benefitted from caring on the part of his owners and veterinarians. Mike Richards, DVM
Testing for renal (kidney) diseases can be done with a number of tests, some of them relatively simple to perform and some of them quite complex. Obtaining a good medical history is important in making a decision about what tests to perform, as well as aiding in evaluation of the test results.
There are a number of disorders that are not directly related to the kidneys that produce changes in lab values associated with kidney function. It is important to keep an open mind when thinking about the results of any lab tests but this is particularly important when evaluating tests related to kidney function. It is easy to be led astray by normal values when renal damage is present and by abnormal test values normally associated with changes in renal function that are being influenced by another condition, such as dehydration.
The simplest method of evaluating kidney function is to perform a urinalysis, if it is possible to get urine without too much difficulty. If urine is not being produced, there is obvious evidence of severe kidney disease or obstruction of urine outflow. If urine is being produced it is usually possible to get a urine sample by catching urine in a container as the pet urinates or by cystocentesis --- inserting a needle into the bladder
and withdrawing urine. This is a fairly safe procedure that most veterinary hospitals can perform when necessary. Urine contains a number of substances that the body wishes to excrete and some substances that the body wishes to conserve but that the kidneys can not completely resorb during the filtration process. As blood flows through the kidneys it passes through a filtration system that relies on both passive filtration mechanisms and active (selective) filtration or reabsorption mechanisms.
The passive filtration works mostly by osmosis. When the concentration of a substance in the blood is higher in the bloodstream than it is in the urine being produced, it passively moves from the blood into the urine. This is a good system for things that the body wants to be rid of.
The things that the body wishes to preserve tend to follow the same path, though. Protein, potassium and other valuable substances to the body would be lost if only passive filtration was possible.
These things are excreted into the urine and then recaptured by the body through active mechanisms such as ion "pumps" or through attraction to membranes that have electrical charges that are opposite of the desired substance.
The effectiveness of many of these processes can be evaluated by measuring the amount of various substances in the urine.
Most veterinary hospitals use a refractometer to measure urine specific gravity. This is the concentration of solutes in the urine. When the kidneys are functioning normally urine usually has a higher specific gravity than plasma. This is referred to as hyperthenuric urine. For cats, a urine specific gravity above 1.035 is usually thought to indicate that the kidneys have normal urine concentrating ability. For dogs, a value of 1.020 to 1.030 (depending on the references cited) is usually high enough to indicate normal concentrating ability. Urine that is within the normal range of concentration for plasma is said to be isosthenuric. If several urine samples fall within this range and a dog or cat does not have any samples of a higher concentration there is reason to believe that the kidneys can not adequately concentrate urine and may be damaged or may be influenced by other systemic illnesses.
Urine that is more dilute than plasma also requires the kidneys to be functioning and is usually a sign that hormonal diseases are influencing renal function.
The specific gravity of urine is easy and relatively inexpensive to monitor. Testing for concentrating ability is a good way to monitor progression of kidney disease as well as to monitor recovery from acute kidney damage. It is important to remember that a single specific gravity test has little value in many instances.
The specific gravity changes under normal circumstances in response to the water intake and other factors influencing hydration. This test often has to be repeated several times or monitored over time to be really meaningful.
*values based on results in our lab and those reported in "Small Animal Clinical Diagnosis by Laboratory Methods" by Willard, Tvedten and Turnwald
There are a number of urine test strips available to veterinarians.
They may contain as many as 12 individual tests on each strip, each for a metabolite found in urine under normal or under abnormal circumstances. Of these tests, the urine pH, glucose, protein and blood tests are probably the most useful.
Glucose should not be found in the urine under normal circumstances. When glucose is found in the urine it indicates a possibility of diabetes mellitus.
There are other conditions that can cause glucose to show up in urine, such as Fanconi syndrome and in some urinary tract infections. False positive tests for glucose can occur when antibiotics are being administered. Antibiotics which may cause false positive tests for glucose include penicillins, cephalexin, chloramphenicol, tetracyclines and streptomycin. Some other medications can have this effect as well. It is important to be sure that your veterinarian is aware of any medications your pet is taking in order to be able to properly evaluate the urinalysis results. This is especially important in emergency situations when your pet's veterinary records may not be available to the veterinarian. Urine pH should be about 5.5 to 7.0, meaning that most pets have slightly acidic urine.
There are metabolic disorders that can lead to pH changes in the urine but this test is most commonly used to evaluate for the possible presence of urinary tract infection. Several species of bacteria cause the urine pH to be higher when they are infecting the bladder or lower urinary tract. Cats who suffer from recurrent bouts of lower urinary tract inflammation (LUTI) seem to do much better if their urine pH can be kept below 6.0. A number of special dietary foods are available to aid in keeping the urine pH low. In severe cases of LUTI it is a good idea to monitor the pH of the urine at home to be sure that control of urine pH is successful. In older intact (not castrated) male dogs high urine pH values can be indicative of prostate infection.
Protein is normally lost in the urine in very small quantities. For this reason, it is important to consider the protein value from a dipstick in conjunction with the specific gravity of the urine sample taken. A small amount of protein in a concentrated urine sample is normal but even a low protein level in very dilute urine may be important to consider, especially in a patient suspected of having kidney failure. While a trace of protein may not be as important in a pet with highly concentrated urine the protein level should not exceed 100 mg/dl in any sample.
Persistently high urine protein values should prompt a search for an underlying cause, especially kidney damage. Infection and inflammation of the urinary tract may lead to high urine protein values, too. Measuring the urine protein:creatine ratio is helpful in deciding if protein loss is significant. This is a test that can't be accomplished with just dipstick analysis, though. Blood in the urine normally indicates urinary tract infection or inflammation. It can be associated with cancers of the urinary tract and with bladder stones, kidney stones or stone formation anywhere else in the urinary tract as well. It is possible to have blood in the urine as a direct artifact of the way in which urine was obtained and it is important to consider this possibility when evaluating the significance of blood in the urine.
Catheterization or aspirating urine from the bladder with a needle can result in urine contaminated with blood. Prostate infection in intact male dogs is also a potential source of blood in the urine. Injuries to the vaginal or preputial region may also lead to blood in the urine, so it is important to be sure that there is no damage to these areas. Bleeding disorders can lead to blood in the urine and it is not unusual for clients to mistake urine contaminated with hemoglobin or myoglobin as "bloody".
These contaminants produce a "port wine" colored urine and are associated with some bleeding disorders and with severe heartworm disease in dogs. Urine can also be evaluated microscopically for the presence of crystals, bacteria, unusual cells and other visible contaminants that can be useful in making a diagnosis. Crystals are common in lower urinary tract inflammation affecting cats and are seen in some instance with bladder stones are present. Struvite crystals are not unusual in urine, especially if it is not acidic.
It is hard to evaluate the importance of finding a few struvite crystals in the urine due to this. Calcium oxalate crystals are also not highly unusual and ammonium urate crystals occur frequently in dalmatians where they may or may not be indicative of problems with urate stone formation. Bacteria can often be seen in the urine if they are present. If cancer is affecting the urinary tract it may be possible to detect this by examining cells in the urine microscopically. Large numbers of white blood cells indicate urinary tract infection or inflammation.
A very useful urine test is the protein:creatinine ratio. This test is usually has to be sent to a reference lab but it is a good way to monitor for the presence of excessive protein in the urine which helps a great deal when monitoring chronic renal failure, especially when conditions such as amyloidosis or glomerulonephritis are present.
The total protein and creatinine levels are measured in the urine by the lab.
These numbers are then compared in a ratio made by dividing the protein level by the creatinine level. If the value that results is >1.0 it indicates that an abnormal amount of protein is being lost in the urine.
Monitoring the protein loss in this manner is a good way to evaluate the success of treatment programs for chronic renal failure. This test is also useful when repeat urine tests are difficult to obtain as it more accurately reflects the amount of protein loss than comparing urine specific gravity to the protein levels reported on a dipstick evaluation. Since most clients can obtain urine samples (it takes about a teaspoonful to run this test) it is a useful way to monitor the progress of renal failure conditions or to check to be sure that acute kidney diseases such as leptospirosis or antifreeze toxicity have not led to longer term kidney damage without having to continually bring a patient to the office to have blood drawn.
Since the kidneys are supposed to remove toxins from the bloodstream and to conserve important substances such as sugar and protein, it is also possible to check the blood to be sure that these substances are within normal ranges. For some reason, it often seems more convenient just to draw blood and run kidney evaluation tests than it is to obtain urine from a patient already in the office. I tend to do this and from the letters I receive I am pretty sure that most vets have similar tendencies. Many of my clients are almost unaware of the possibility of making important evaluations from urine and accept blood testing more readily. While there is no particular problem in making evaluations of kidney function from blood it is important to remember that using blood tests in conjunction with urine tests is more accurate in many instances and is preferable when possible.
The two blood tests that most people are familiar with are the blood urea nitrogen (BUN) and creatinine tests. Some labs are picky about nomenclature and report a serum urea nitrogen (SUN) level instead of a BUN, since this test is almost exclusively run on serum by reference labs. Whenever possible it is best to evaluate these two tests together to gain a better understanding of the kidney function. Urea nitrogen is a normal byproduct of protein metabolism. It does not cause harm to the body but evaluating the levels of urea nitrogen in the blood stream is a good way to evaluate whether the kidneys are functioning properly.
There is some controversy over what constitutes a normal BUN level for a cat, with values of 5 to 35 mg/dl being most commonly reported but some labs considering BUNs of up to 50 mg/dl to be normal in cats. In dogs the level is a little less controversial, with values of 10 to 25 mg/dl being most commonly reported as normal.
Creatinine is normally 0.5 to 1.5mg/dl in dogs and cats again have a more variably reported upper range with values as low as 0.5 to 1.5mg/dl being reported by some labs and as high as 0.5 to 2.1 mg/dl being reported by others as normal.
The BUN value is very sensitive to dehydration. It is important to evaluate low level BUN rises in conjunction with the state of hydration. An elevation in BUN is less likely to indicate kidney damage in a pet with a high urine specific gravity and other signs of dehydration than it is in a pet that appears to be well hydrated and has a low urine specific gravity.
There are other reasons for falsely elevated BUN levels, as well.
The BUN rises with dehydration, excessive dietary protein, corticosteroid therapy, muscle damage and chloramphenicol administration. Many people are confused by BUN rises associated with corticosteroid administration, assuming that this is a result of kidney damage when it actually is a sign that the corticosteroids are causing muscle wasting which causes protein rises in the blood stream and consequently causes rises in the BUN.
The kidneys are functioning normally, there is just more urea nitrogen in the blood than is normally present.
When the BUN rises above 75 mg/dl it is unlikely to be due to dehydration or other factors. Evaluating the creatinine level in conjunction with the BUN can also help in determining if there is kidney damage or non-kidney causes of BUN rise. If the creatinine and BUN are both elevated the likelihood of kidney damage rather than other causes of BUN rise is very high. However, the BUN rises more rapidly in response to kidney damage than the creatinine level so it is possible for the BUN to be high and the creatinine to be normal and for the cause to be actual kidney damage rather than non-kidney causes.
Whenever it is unclear whether a rise in BUN is actually due to kidney damage it is a good idea to correct any possible dehydration and recheck the BUN and creatinine values to see if the problem persists.
The BUN also falls more rapidly than the creatinine during treatment for kidney problems, making it a little better for evaluating initial response to treatment.
The creatinine level is less likely to be affected by factors other than that actual is slower to rise when kidney disease is present. Knowing this, it is sometimes possible to evaluate whether a rise in BUN is due to a non-kidney related cause or whether kidney damage is acute rather than chronic. In addition, the creatinine levels may be a slightly better way to monitor the kidney's response to treatment over the long term than BUN levels. When both the BUN and the creatinine kidney disease is present and kidney disease is present and that further diagnostic efforts should be directed at finding the cause of kidney disease rather than trying to establish whether or not it is present.
Potassium levels usually fall with chronic kidney disease but may rise with extremely acute kidney failure in which urine production is decreased, such as ethylene glycol (antifreeze) poisoning. In cats, the potassium level may fall prior to any other indication that chronic kidney damage is occurring. It is unclear whether this fall in potassium is harmful in some way to the kidneys and leads to further kidney failure or whether it is just an early warning sign of damage to come. Most vets agree that potassium should be supplemented when serum potassium levels drop below 3.5 mEq/L, especially in cats.
Phosphorous levels in the serum are another indirect way to measure kidney function. Rises in phosphorous levels occur as kidney function deteriorates. Measuring phosphorous levels can help in making decisions about control of dietary phosphorous intake and are particular important when calcitriol therapy is being used to help in the treatment of chronic renal failure.
There are many more specialized tests that are used to aid in the diagnosis and management of renal disease in pets.
Creatinine clearance is a test in which the total amount of creatinine in the urine (collected over a 24 hour period) is compared to serum creatinine level taken during the same time period. This test is a good way to monitor response to therapy and to figure out if kidney disease is present when there is some indication that it is but the BUN and creatinine levels are not high enough to be sure. Biopsy of the kidneys is often the only way to accurately determine the cause of kidney disease. While this can be important in some cases in managing long term kidney diseases such as amyloidosis or glomerulonephritis there are risks involved and they must be carefully weighed prior to making a decision to biopsy.
Ultrasound exam of the kidneys can be very useful, especially in helping to determine if conditions such as polycystic kidney disease are present. X-rays of the kidneys can be valuable as well, helping to evaluate the size of the kidneys, presence of kidney stones and when combined with dye techniques to evaluate kidney function. Serologic information may be necessary to rule out causes of kidney disease such as leptospirosis, feline leukemia virus infection or other diseases.
Sometimes it is necessary to test for other organ system or hormonal disease, such as hypoadrenocorticism, hypertension (high blood pressure) or liver failure, all of which can influence the results of laboratory tests that are used to evaluate the possibility of kidney damage.
The major fault in veterinary medicine in evaluation of kidney disease and in monitoring progression of treatment is a lack of aggressiveness in collecting laboratory data. This is understandable, since lab tests can add significant costs over and above already expensive treatments. This is true of both acute kidney disease and chronic kidney disease conditions.
In the acute disease situations having good information on the status of the kidneys may be the difference between life and death. In chronic conditions, especially in cats, monitoring kidney related lab values on a periodic basis may be the difference between a life span of several comfortable years managing the kidney disease or discomfort and a shortened life span for the patient.
When kidney disease is suspected or after it has been confirmed, periodic lab tests are necessary to manage the kidney failure effectively. Successful management of kidney disease is best accomplished when an informed client works closely with their veterinarian to provide all the information and care necessary to keep a pet comfortable. As always, we sincerely appreciate your support of the VetInfo Digest and the VetInfo Web Site.
It is much easier to provide these services with your help.
The opinions expressed in this newsletter are solely those of the author, Michael Richards, DVM, unless otherwise noted in the text. Michal Justis is our web designer and graphic artist. P.S. We are sorry for the delay in getting the VetInfo Digest out this month. Seven days without power due to the ice storm in Virginia put us a little behind!
HISTORY:
It was Friday the 11 Th. of December, I was walking with "Little Red" on the road from the lake (
The Steeles and another neighbor were also on the road ) when "Edward" a large rottweiler, trotted out of a neighbor's Little Red ran up for a smell.
The large dog grabbed him and Little Red screamed. I ran up and grabbed Edward's collar which came off, but separated the dogs. I held our small dog while the neighbors kept the big dog away.
There was no growling or signs of a fight before the attack.
The owner's wife, Doreen, came out the driveway and we hurried to my house to check injuries. Little Red had a long laceration on his back and two puncture wounds on his neck. We all went to Edgewater Animal Hospital where they kept him.
The next day they stitched his back up but left the punctures open to drain.
The stitches were in for 11 days from Saturday the 12th to Wednesday the 23nd.
To control the infection he was given antibiotic Baytril, a wide spectrum drug, to control the infection. He came home on Monday the 14th. Wednesday the 16th he was back because the neck was quite swollen.
The puncture in the lower neck remained infected so they took x-rays then a brillium x-ray to check on the windpipe (or trachea). We saw the x-rays on Thursday the 17th. It was not punctured but infected and bruised. Little Red continued to weaken. He got more and more depressed. A drain was added in his neck to keep the swelling down Monday 21st.
They drained the neck and added Amoxi ( a penicillin ) to try to reduce the infection.
We took him back to get the drain taken out on the 23rd. He could not keep water down and refused to eat so we don't know if the medicine had a chance to work. He was home only briefly after the drain was taken out. Thursday the 24th early in the morning we thought he was dying and took him to the Daytona Emergency Vet Hospital then back to Edgewater (for the fourth time) where he still is. He had not eaten since Monday and had problems keeping water down.
They stabilized him and put on a IV tube.
The report on Dec 26th was he was doing better, had eaten a little, had barked and seemed more himself.
The whole family has been
through a trauma now for three weeks.
People are completely responsible for the behavior of their pets and any damage they cause, so the owner has directly done all this harm because he knows the danger yet he keeps a dangerous animal. We informed Animal Control because it's likely he will strike again and it needs to be known that the owner was warned. If Little Red dies - he is beloved family pet and very valuable to us - a great harm has been done. If he lives (we all pray) it's been a trauma for all of us.
12/28/98 7:10 PM Little Red in Back in Hospital - emergency almost died. Turns out he had kidney failure and was near death.
The doctor gave thyroid steroids and he pulled through. It was possible he has Addison's disease that interferes with production of hormones that stimulate the adrenal glands. Adrenal insufficiency can be primary or secondary. Primary adrenocorticism affects salt/potassium balance in the body and glucorticoid as well. Secondary adrenocorticism usually only affects the glucocorticoids. It is not known why primary adrenocorticism occurs but it may be an immune mediated process.
12/30/98 12:18:33 PM Prednisone seems to have done it. Little Red is much better and we hope for good.
There are several theories about what happened - some underlining thyroid problem brought on by toxic shock or drug interactions with suspected molds, yeast or fungus from Edwards mouth and/or soils it is possible that Ed was infected by squirrels could be how he contracted leptospirosis.
Thursday, January 07, 1999 Tuesday he went back in because of a very bad mouth, gray tongue and the skin over the punctures on the lower neck ( throat) was all unattached. He had to have a third of his tongue removed and there were sores in his mouth.
The universal conclusion was chronic kidney failure.
The uric acid was n his blood - a count of 120, while 30 is normal and anything over 80 is very dangerous. He was given Winstrol in addition to Prednisone ( steroids ) and continues on Baytril. We have a diet from Natural Health for Cats and Dogs, Pitcaen D.V.M. low demand on the kidneys.
Reports from the web: http://www.vetinfo.com/drenal.html
Renal (kidney) failure can occur for a lot of reasons. It would be hard to compile a list that anyone would agree was a complete list of causes, due to the number of potential causes that exist. So this is a partial list:
Pyelonephritis, which is infection of the kidney itself Congenital disorders, which are recognized to occur in the following breeds, according to Nelson and Couto, in their book "Essentials of Small Animal Internal Medicine" - Lhasa apso, shih tzus, Norwegian elkhounds, shar peis, Doberman pinschers, samoyeds, standard poodles,, soft-coated Wheaton terriers, cocker spaniels, beagles, keeshonds, Bedlington terriers, cairn terriers, basenjis and Abyssinian cats. Renal hypoplasia or dysplasia - congenital but not always hereditary anything that blocks urine from getting from the kidney out of the body -
congenital urinary tract defects, large bladder or kidney stones, renal parasites, trauma, etc. Immunologic disorders --- systemic lupus erythematosus, glomerulonephritis, vascular disorders, feline infectious peritonitis Amyloidosis - a disorder that normally occurs in dogs over 5 years of age but can occur earlier is shar peis. It can occur for no apparent reason or it can be linked to underlying causes such as chronic infections (not necessarily of the kidney), chronic inflammation that isn't from infection, cancer, cyclic hematopoiesis in gray collies. It occurs for no apparent reason more commonly than it occurs due to discoverable underlying causes Glomerulonephritis - inflammation of the glomerulus (the individual functioning units of the kidney).
Can be due to a number of causes, including: bacterial infections {Lyme disease, brucellosis, other systemic infections}, viruses {infectious canine hepatitis, feline leukemia, feline infectious peritonitis, feline immunodeficiency virus, chronic feline upper respiratory virus infections}, rickettsial infections {ehrlichiosis, Rocky Mountain Spotted Fever}, heartworm disease, protozoan infections {trypanosomiasis, leishmaniasis}, cancer, chronic inflammatory conditions {pancreatitis, systemic lupus erythematosus, prostatitis, chronic skin disease, possibly periodontal disease}, hyperadrenocorticism, diabetes mellitus and finally hereditary disorders in Doberman pinchers, samoyeds, rottweilers, greyhounds, bernese mountain dogs, soft-coated wheaton terriers and cats.
Acute insults to the kidney - trauma, ischemia (lack of blood flow) due to {clots, low blood volume, shock, heart failure} and drug reactions or toxins {covered separately} Leptospirosis ( see note below ) Hypertension (high blood pressure) -- from hyperthyroidism, chronic heart failure Hypotension (low blood pressure) -- usually associated with shock Hypoadrenocorticism (Addison's disease) Cancer -- usually primary kidney cancer, lymphoma or spread of cancer (metastasis) from other sites
unidentifiable causes
Toxins that are known to affect the kidneys: lead, mercury, arsenic (usually arsenicals used to treat heartworms), cadmium, chromium, thallium, ethylene glycol (antifreeze), carbon tetrachloride, chloroform, pesticides, herbicides, solvents, snake or bee venom, possibly mushrooms, vitamin D toxicosis from rodenticides medications known to affect the kidneys sometimes: aminoglycoside antibiotics (gentamicin, amikacin), cephalosporins, polymixins, sulfonamides, tetracyclines, amphotericin B, thiacetarsamide (Caparsolate Rx), methoxyflurane anesthesia, non-steroidal anti-inflammatory medications (aspirin, acetaminophen, ibuprofen, phenylbutazone), many chemotherapeutic agents, gold salts, radiographic contrast agents
So there are a lot of possible causes of kidney disease. Reviewing the list can sometimes help in ruling out possibilities. If you suddenly remember changing the antifreeze or have been struggling with skin disease for awhile it may be important to be sure those things have been considered, for instance.
I will try to send some information on distinguishing between these possibilities in the next few day or so. Mike Richards, DVM
Subcutaneous saline is used to diurese dogs with renal failure. Dialysis is not commonly used in pets due to the expense and lack of treatment facilities. Diuresis offers a lower tech alternative. Fluids are adminstered to force the kidneys to remove them and to drag some of the accumulated toxins out with them. As long as it is not overdone (this rarely happens) the more fluids that are administered, the better. 1)
The most common clinical signs associated with renal failure are weight loss, increased drinking and increased urination. 2)
These occur early before much damage is done and are pretty consistent signs.
The subsequent signs can be almost anything since renal failure has so many side effects involving other organ systems that almost any symptom can occur. Shaking may be directly related to drops in potassium levels in the serum since the kidneys do not preserve it well when renal failure is present or they can be the result of hyperphosphatemia and secondary renal hyperparathyroidism. In addition, hypertension is common in renal failure and it can lead to tremors and neurologic damage is not unusual in renal failure patients, either. Hypothermia can occur with chronic renal failure and it might produce shaking behaviors (shivering) too. Labwork to check phosphorous and potassium levels should be done, probably. 3) Most of the patients I have treated for chronic renal failure have been euthanized prior to a terminal event because they stop eating at some point and most owners give up after a few days of inappetance. I have seen bleeding disorders such as DIC force people into making the decision to euthanize in chronic renal failure and have had several clients wait until their pet was comatose before giving up. 4) I think that is covered above. It is a tough choice but when BUN and creatinine levels fail to respond to diuresis and total inappetance sets in most people elect to euthanize rather than to let a pet suffer. 5) I think it is very important to treat as many of the side effects as can be treated, as aggressively as possible, in order to prolong life and to make the lifetime remaining as comfortable as possible. Using medications such as cimetidine (Tagamet Rx) to ease nausea from gastric irritation, blood pressure medications if necessary, potassium supplementation, phosphate binders, subcutaneous or intravenous fluid diuresis and whatever else seems necessary can all help. I know it sounds like a lot to do but each medication has a specific purpose in the process. Feed her what she wants to eat if she won't eat the renal diets. Try to find low phosphorous, low salt items that she likes, if possible. Avoiding high protein foods helps in this situation. It is better that she eat than that she eat what she "should". If she gets stabilized at some point, work harder to get her to eat the renal diets. 6)
There was a recent "Clinics of North America" on renal disease. If your vet or your mother's vet subscribes to this journal it would be worth taking a little time to read it for further discussion of this whole issue. Unless he is in the last stages of failure, he still can live some more years.
Did the vet give you any idea what caused kidney failure in a 5 year old dog? Heat stroke, heart disease, auto-immune diseases are some conditions which can cause it in a- younger dog.
Therapeutic drugs, such as, aspirin, and certain antibiotics, can be damaging to the kidneys if used indiscriminately. Antifreeze or ethylene glycol is deadly to dogs when ingested because of the profound damage to the kidneys it causes and also periodontal disease, with its associated complications, can predispose dogs, both young and old to kidney problems in the future. :
: Stress reduction is vital in dogs with kidney disease/failure. Unlimited access to clean fresh water should be provided at all times. Special diets that are low in protein should be fed to help reduce toxin build up within the bloodstream. Vitamins supplementation should also be considered to replace those lost in the increased urine flow. Since kidney disease and failure can alter, among other things, the blood levels of calcium and phosphorus, medications designed to keep levels of these electrolytes constant are used well.
If your pet is having trouble with vomiting, human antiulcer medication such as cimetidine can be used to help settle the stomach. You would need to discuss dosage with a vet. Finally, since kidney disease/failure places a burden on the immune system, all underlying disease processes and disorders need to be taken care of with the necessary treatments. Don't forget to give your dog a lot of love and time spent together.
Most important find a vet who is willing to
work with you in helping your dog be more comfortable for the
rest of his life. I wish you good luck and enjoy the time you
will have together.....which can be many more years with proper
treatment and care. Deborah Leptospirosis (zoonotic)- Wolf
continued
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