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Children With Maple Syrup Urine Disease Celebrate One-Year Post-Transplant -- Kids No Longer Have Life-Threatening Disease

Date:
June 26, 2005
Source:
Children's Hospital Of Pittsburgh
Summary:
One year ago, Children's Hospital of Pittsburgh became the first and only transplant center in the world to develop a comprehensive, multidisciplinary medical protocol for performing liver transplants in patients with Maple Syrup Urine Disease (MSUD). Today, seven children who suffered from the debilitating and life-threatening disease have been transplanted and are now free from symptoms.

PITTSBURGH (June 17, 2005) -- One year ago, Children's Hospital of Pittsburgh became the first and only transplant center in the world to develop a comprehensive, multidisciplinary medical protocol for performing liver transplants in patients with Maple Syrup Urine Disease (MSUD). Today, seven children who suffered from the debilitating and life-threatening disease have been transplanted and are now free from symptoms.

No other center in the country has experienced as many successful transplants as Children's Hospital of Pittsburgh for MSUD. MSUD is a metabolic disorder that causes amino acids from proteins to accumulate in the body, which can have a toxic effect and lead to brain swelling, neurological damage and death. MSUD derives its name from the sweet smell of the urine.

For the first time in these young patients' lives, they are able to go on vacation without fear of metabolic crisis and to eat foods, like ice cream and chicken nuggets, that normal children enjoy. All of the seven patients with MSUD who have been transplanted at Children's are showing excellent results.

Jakob Jasin, now 5, son of Chris and Susan Jasin of Fairfax, Va., became the first patient with MSUD to be transplanted at Children's on May 30, 2004. Jakob, who was 4 when transplanted and named his new liver "Tommy," is now free from the symptoms of the disease. Jakob was discharged from Children's 11 days after his transplant -- approximately six months after Children's established a comprehensive protocol that provides guidelines and safety nets for MSUD transplantation.

"Without this transplant, Jakob would have followed a strict diet for the rest of his life, and even then, he was still at risk for going into metabolic crisis and suffering irreparable brain damage," said George V. Mazariegos, MD, director of Pediatric Transplantation at Children's and associate professor at the University of Pittsburgh School of Medicine in the departments of Surgery, Anesthesiology and Critical Care Medicine. "Suffering from MSUD may significantly impact the quality of life for both the child and the parents. These parents live each day with the fear that a simple cold could send their child into metabolic crisis and be fatal."

Jakob's amino acid levels now are normal, despite a normal protein intake, indicating that his new liver is properly metabolizing the amino acids that used to accumulate in his body. Susan Jasin said Jakob's transplant has changed their lives forever.

"When I saw other parents of kids with MSUD grieving over the loss of their child, I knew then I could not bear to lose Jakob. I could not watch him suffer brain damage because he accidentally ate one too many french fries, or because he got a little cold," said Susan Jasin, Jakob's mother. "We knew transplant surgery had risks, but the alternative was a life that could end at any moment for my son. I could not bear to live another day like that."

People suffering from MSUD are unable to metabolize the branched-chain amino acids leucine, isoleucine and valine, which are present in all protein foods such as meat, eggs and milk. The only treatment, up until transplant, had been a rigorous diet to severely restrict these amino acids.

However, even strict adherence to this diet does not ensure that the patient will not go into metabolic crisis. Should a patient with MSUD become sick with even a minor viral illness, the body will break down protein stored in muscle for energy. The amino acids released from the child's protein stores can be as deadly as those from the diet.

A multi-disciplinary approach to treatment and surgery was utilized to plan for every conceivable situation to ensure the child remained healthy up until the moment of the transplant. To develop the MSUD transplant protocol, Dr. Mazariegos and a team of experts in genetics, pharmacology, biology, chemistry and other areas at Children's, worked in conjunction with metabolic experts from the Clinic for Special Children.

D. Holmes Morton, MD, and Kevin A. Strauss, MD, of the Clinic for Special Children in Strasburg, Pa., collaborated with Children's physicians for months to develop the nation's first protocol to perform liver transplants as a potential cure for MSUD. Drs. Morton and Strauss have worked with many children suffering from MSUD at the clinic and brought important techniques, treatments and invaluable experience to the group.

Children's Hospital established computerized order sets -- which tell the transplant team how to proceed during every step of the transplant.

The hospital also set up a completely sterile room where raw amino acid powders can be prepared quickly in case there are complications from transplantation and the patient goes into metabolic crisis.

For each MSUD patient, Children's is prepared to make specific total parenteral nutrition (TPN) formulas based on a patient's amino acid levels. The formulas will be different for each patient and must be mixed precisely to ensure that the patient receives exactly the correct amino acids to avoid metabolic crisis. TPN is a special mixture of glucose, protein, fat, vitamins and minerals given through an intravenous tube.

"Our patients' safety and well-being is always of the utmost importance," Dr. Mazariegos said. "After one year, our results show metabolic cure."


Story Source:

The above story is based on materials provided by Children's Hospital Of Pittsburgh. Note: Materials may be edited for content and length.


Cite This Page:

Children's Hospital Of Pittsburgh. "Children With Maple Syrup Urine Disease Celebrate One-Year Post-Transplant -- Kids No Longer Have Life-Threatening Disease." ScienceDaily. ScienceDaily, 26 June 2005. <www.sciencedaily.com/releases/2005/06/050624102658.htm>.
Children's Hospital Of Pittsburgh. (2005, June 26). Children With Maple Syrup Urine Disease Celebrate One-Year Post-Transplant -- Kids No Longer Have Life-Threatening Disease. ScienceDaily. Retrieved July 30, 2014 from www.sciencedaily.com/releases/2005/06/050624102658.htm
Children's Hospital Of Pittsburgh. "Children With Maple Syrup Urine Disease Celebrate One-Year Post-Transplant -- Kids No Longer Have Life-Threatening Disease." ScienceDaily. www.sciencedaily.com/releases/2005/06/050624102658.htm (accessed July 30, 2014).

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