Would like information and data on the use of titanium knee replacements vs. cobalt chrome. These devices are made from a blend of several metals, including chromium, cobalt, nickel, titanium and molybdenum. Reply. It is also recommended to perform cobalt metal ion testing and imaging studies for any patients that report painful hip replacements. Cobalt Knee Replacement Problems . It has been well established in the literature that revision of a fractured ceramic total hip replacement with metallic components can result in metallosis. Researchers have found metal ions in the blood of knee replacement patients. We are finding cobalt poisoning in too many patients with metal-on-plastic and metal-on-ceramic hips. It may take weeks or months of cobalt building up in the body before any side effects are felt. A 2017 study in BMC Psychiatry looked at ten cases of metal-on-metal hip replacements. Believe it or not, a tiny amount of both of these metals is essential for good health. Poisoning. We are in Alaska. Cobalt Toxicity From Hip Replacement Cobalt poisoning is extremely serious if left untreated. Finally the doctor replaced the devise with one that had already proven reliable. October 2, 2014 — A man who had an allergic reaction to cobalt and nickel in the Stryker Triathlon knee replacement has filed a lawsuit in Colorado.. Cobalt Knee Replacement Poisoning . ; The Femur. A few thousandths of a gram – or less. Cobalt poisoning can occur when you are exposed to large amounts of it. Stryker knee replacement involves surgically replacing a damaged or diseased joint with an implant, which is designed to replicate a healthy human knee joint. In addition, … The hope is to return patients to the same high level of activity they had before surgery—like participating in sports or even running marathons. This ensures that the implant functions just like the bone and the cartilage of an original knee. There are over 28 different known isotopes for cobalt including some that are radioactive. Reply. The replacement knee joint is comprised of a flat metal plate and stem implanted in your tibia, a polyethylene bearing surface and a contoured metal implant fit around the end of the femur. Author information: (1)ENDO-Klinik, Holstenstrasse 2, 22767 Hamburg. Metallosis is the putative medical condition involving deposition and build-up of metal debris in the soft tissues of the body.. Metallosis has been known to occur when metallic components in medical implants, specifically joint replacements, abrade against one another. Cobalt poisoning can also occur from the wear and tear of some cobalt/chromium metal-on-metal hip implants. The effects of the cobalt alloy hips were life-altering for Frances. Knee infection after surgery. The use of components made from metals and polyethylene allow for optimum articulation (or joint mobility) between the joint surfaces with little wear. But we mean a really tiny amount. It is made of metal alloys and plastics, which is of high grade. Case 2. Cobalt Allergy Knee Replacement. The biggest culprit for toxicity seems to be cobalt-chrome but there is no generally accepted threshold beyond which serum or blood concentrations of cobalt and chromium are known to be toxic8. Although cobalt toxicity is a relatively rare occurrence it should still is noted as a complication of total knee and hip replacement surgical procedures especially when a cobalt alloy is used as the replacement graft. earlstevens58 said: July 30, 2018 at 6:06 am. Some of the metal ions (e.g. Among them, F75 has been widely used in the fabrication of femoral stems because of its corrosion resistance in chloride environments due to the oxidized surface. We report two Australian patients with possible cobalt toxicity related to metal-on-metal total hip replacements. Knee replacement surgery is the last option available to people suffering from debilitating osteoarthritis and painful knee injuries. I’ve blogged before about how wear particles in all types of joint replacements can make their way into the blood stream. But fans are asking when that hip replacement actually happened. The risk to the patient occurs with any artificial hip containing a cobalt component.” Conventional wisdom has been that eliminating the metal on metal contact should eliminate the risk of metallosis, but Dr. Tower at least does not accept this thinking. Once a patient has been diagnosed with metallosis caused by a metal-on-metal hip implant, a second removal surgery is needed to remove the defective hip implant and replace it with another implant. The procedure involves replacing damaged cartilage and gliding surfaces of the joint. pam said: … cobalt and chromium) from the metal implant or from the metal particles will enter the bloodstream. See metallosis symptoms, treatments and what you should do if you’ve had hip surgery and suspect you have metallosis. Cobalt poisoning symptoms. On last night's 'Grey's Anatomy,' Richard Webber was diagnosed with cobalt poisoning due to a hip replacement. For a very active 76 year old female hiker. Any difference in life. Cobalt is also component of cyanocobalamin also known as vitamin B12, which is widely consumed. Find out what your legal options might be … Chromium Cobalt Knee Replacement. However, the danger is that once cobalt toxicity takes place, many of the problems associated with this condition are not reversible, even after the cobalt levels return to normal. Cobalt poisoning is extremely serious. I later read in a news article about a woman with the same problems, all caused by that same kind of devise. The devices are manufactured from blended metals that could include titanium, nickel, cobalt, chromium, and molybdenum. Hip Replacement and Cobalt Poisoning misdiagnosed as Alzheimer's. There are three basic ways that cobalt can cause poisoning. With total knee replacement surgery, researchers are looking beyond simply reducing pain. [Article in German] Steens W(1), Loehr JF, von Foerster G, Katzer A. August 1, 2017, 1:30PM. Cobalt poisoning; Noise from the hip implant ; Orthopedic surgeons test for metallosis by performing soft tissue imaging, using a needle to remove fluid from around the joint, and metal ion testing. By opting for the stem cell route in Colorado and avoiding knee replacement surgery, you may have the potential to avoid the long painful recovery, weeks of missed work, and the potential surgical risks that include infection, bleeding, blood clots and nerve injury. There are four cobalt–chromium alloys commonly used for hip and knee replacements today . The tissue damage that results from cobalt poisoning can complicate future revision surgeries intended to replace the damaged metal-on-metal hip implant. That’s more than enough chromium or cobalt for anyone. Senior Administrator. Cobalt poisoning can also occur from the wear and tear of some cobalt/chromium metal-on-metal hip implants. If the whole blood cobalt metal ion concentration in these patients is greater than 7 µg/L, a second metal ion test should be performed three months later and the patient should be assessed for cardiac and neurologic symptoms[1]. 14 thoughts on “Two new video’s from Dr Tower on Cobalt Poisoning” Kim Ann Coffey said: July 29, 2018 at 3:33 am. Unfortunately, her story is one lived by the many who cope with neurological issues as a result of cobalt toxicity. Both patients were treated for osteoarthritis with a DePuy ASR (articular surface replacement) XL Acetabular Hip System prosthesis, which contains cobalt and chromium, and which has recently been recalled from the market. One of six types of artificial knee implants are used, depending upon the needs of the patient. Metal Toxicity From Knee Replacement. It is only suggested after the patient has already exhausted all other options, including physical therapy and medication. Joined Mar 24, 2008 Messages 62,026 Age 72 Location Kansas Gender Female Country United States Dec 12, 2009 #2 Welcome to … [Chronic cobalt poisoning in endoprosthetic replacement]. This type of implant is an artificial hip socket that is created by fitting a metal ball into a metal cup. Total Knee Replacement Materials. Effect of any weight differences on walking gait. By Jane Mundy: Palm Springs, CA Robert’s hip replacement has … This went on for a couple of years. 2 He underwent hip surgery in November 2010 to replace his left hip ceramic implant with a metal-on-polyethylene implant. Metallosis is a formal poisoning caused by exposure to metal that is often a side effect that occurs after a metal joint replacement device has been implanted during hip or knee replacement surgery. The lawsuit (PDF) was allowed to move forward based on failure-to-warn and negligence claims, according to HarrisMartin.. Sometimes, metal particles (cobalt) are released as the metal ball grinds against the metal cup when you walk. It would seem logical to simply monitor knee replacement patients for raised metal levels, but this is not as simple as it seems. Since cobalt poisoning is fairly rare, it would not be a common element to test for in the bloodstream. The case presented in The Lancet involved a 55-year-old man. You can swallow too much of it, breathe too much into your lungs, or have it come in constant contact with your skin. The devise dislocated at will several times and he developed cobalt poisoning. You would have to think so. Metallosis is a type of metal poisoning that can occur as a side effect of joint replacement devices with metal components, such as metal-on-metal hip replacements or other metal implants. Oh, blood poisoning from the shedding of metal particles like cobalt or titanium that build up in soft tissues in your body. It seems that cobalt chrome is also part of the knee surgery industry…would this have the same effect as hip replacement problems and cobalt? These include metal-on-metal knee and hip joint implants. Earl. Cobalt poisoning results when the metal components of an implant begin to wear and microscopic metal shards are absorbed into the blood stream and infiltrate the organs. As mentioned before, large grain sizes develop during the casting process, which results in decreased yield strength. "People would like to go back and be long distance runners or high performing athletes," said orthopedic surgeon Joshua J. Jacobs, M.D. Total knee replacements are made of 4 parts as well (Figure 2 – TBD): Femur (thigh)—top part; Tibia—(shin) bottom piece; Liner—serves as your new cartilage; Patella (kneecap)—this is an optional part of the surgery, and some physicians do not use this as part of the procedure. Is there such a thing as hip replacement chromium poisoning? On Jan. 28, 2013, his serum cobalt level was 2.7 mcg/L, chromium was 2.3 mcg/L, and all of his symptoms resolved. Knee replacement surgery is a common surgery that doesn’t present complications for most people. Nearly 600,000 knee replacements are performed each year in the U.S. on patients whose knees have been severely damaged by arthritis or injury, according to the Cleveland Clinic 3. 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