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Public release date: 1-Aug-2012[ | E-mail |
Share ] Contact: Dawn Peters
sciencenewsroom@wiley.com
781-388-8408
Wiley
Children undergoing liver transplantation are at greater risk of graft loss and death from adult organ donors who are severely obese according to research published in the August issue of Liver Transplantation, a journal of the American Association for the Study of Liver Diseases. The study, funded in part by a grant from the National Institutes of Health (NIH), found that pediatric donor body mass index (BMI) did not increase mortality risk in this pediatric population.
Obesity is a global health concern. A 2008 report from the World Health Organization (WHO) estimates that 1.4 billion adults were overweight, and of these 200 million men and 300 million women were classified as obese. WHO also reports that more than 40 million children under the age of five were overweight in 2010. In the U.S., rates of being overweight or obese have risen in children and now exceed 30% say experts.
Prior research shows the prevalence of overweight and obese donors to adult liver transplant recipients has increased during the last two decades. "Donor BMI is associated with post-transplant obesity, but not survival rates of adult liver recipients," explains lead author Dr. Philip Rosenthal, from the University of California, San Francisco's Benioff Children's Hospital. "Our study is the first to evaluate the impact of donor BMI on pediatric liver transplant recipients."
Using data from the United Network for Organ Sharing (UNOS), researchers identified 3788 pediatric liver transplants between 2004 and 2010. Analysis indicates that adult donor BMI 25-35 kg/m2 was not associated with graft loss or mortality in pediatric liver recipients. However, adult donors with a BMI greater than 35 kg/m2 increased the risk of graft loss and death in children receiving livers, after adjusting for other recipient, donor, and transplant risk factors. The authors found that pediatric donor BMI was not associated with graft or patient survival.
"While we found it common for adult donors to be overweight or obese, our analysis suggests that BMI in the 25 to 35 range should not deter liver donation," concludes Dr. Rosenthal. The authors note that causes of graft loss, death, and donor steatosis could not be determined due to lack of donor biopsies. Rosenthal added, "Further research is needed to understand the impact of obesity on donor acceptability and how this affects pediatric liver transplant patients."
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This study is published in Liver Transplantation. Media wishing to receive a PDF of this article may contact sciencenewsroom@wiley.com.
Full citation: "An Evaluation of the Impact of Donor BMI on Survival and Post-Transplant Obesity in Pediatric Liver Transplant Recipients." Emily Rothbaum Perito, Sue Rhee, Dave Glidden, John Paul Roberts, Philip Rosenthal. Liver Transplantation; Published Online: July 24, 2012 (DOI: 10.1002/lt.23438) Print Issue Date: August, 2012. URL: http://onlinelibrary.wiley.com/doi/10.1002/lt.23438/abstract
About the Author: Dr. Philip Rosenthal is with the University of California, San Francisco's Benioff Children's Hospital. To arrange an interview with Dr. Rosenthal, please contact Juliana Bunim with UCSF at juliana.bunim@ucsf.edu or at 415-476-8810.
About the Journal: Liver Transplantation is published by Wiley on behalf of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society. Since the first application of liver transplantation in a clinical situation was reported more than twenty years ago, there has been a great deal of growth in this field and more is anticipated. As an official publication of the AASLD and the ILTS, Liver Transplantation delivers current, peer-reviewed articles on surgical techniques, clinical investigations and drug research the information necessary to keep abreast of this evolving specialty. For more information, please visit Liver Transplantation.
About Wiley
Founded in 1807, John Wiley & Sons, Inc. has been a valued source of information and understanding for more than 200 years, helping people around the world meet their needs and fulfill their aspirations. Wiley and its acquired companies have published the works of more than 450 Nobel laureates in all categories: Literature, Economics, Physiology or Medicine, Physics, Chemistry, and Peace.
Our core businesses publish scientific, technical, medical, and scholarly journals, encyclopedias, books, and online products and services; professional/trade books, subscription products, training materials, and online applications and Web sites; and educational materials for undergraduate and graduate students and lifelong learners. Wiley's global headquarters are located in Hoboken, New Jersey, with operations in the U.S., Europe, Asia, Canada, and Australia. The Company's Web site can be accessed at http://www.wiley.com. The Company is listed on the New York Stock Exchange under the symbols JWa and JWb.
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Public release date: 1-Aug-2012[ | E-mail |
Share ] Contact: Dawn Peters
sciencenewsroom@wiley.com
781-388-8408
Wiley
Children undergoing liver transplantation are at greater risk of graft loss and death from adult organ donors who are severely obese according to research published in the August issue of Liver Transplantation, a journal of the American Association for the Study of Liver Diseases. The study, funded in part by a grant from the National Institutes of Health (NIH), found that pediatric donor body mass index (BMI) did not increase mortality risk in this pediatric population.
Obesity is a global health concern. A 2008 report from the World Health Organization (WHO) estimates that 1.4 billion adults were overweight, and of these 200 million men and 300 million women were classified as obese. WHO also reports that more than 40 million children under the age of five were overweight in 2010. In the U.S., rates of being overweight or obese have risen in children and now exceed 30% say experts.
Prior research shows the prevalence of overweight and obese donors to adult liver transplant recipients has increased during the last two decades. "Donor BMI is associated with post-transplant obesity, but not survival rates of adult liver recipients," explains lead author Dr. Philip Rosenthal, from the University of California, San Francisco's Benioff Children's Hospital. "Our study is the first to evaluate the impact of donor BMI on pediatric liver transplant recipients."
Using data from the United Network for Organ Sharing (UNOS), researchers identified 3788 pediatric liver transplants between 2004 and 2010. Analysis indicates that adult donor BMI 25-35 kg/m2 was not associated with graft loss or mortality in pediatric liver recipients. However, adult donors with a BMI greater than 35 kg/m2 increased the risk of graft loss and death in children receiving livers, after adjusting for other recipient, donor, and transplant risk factors. The authors found that pediatric donor BMI was not associated with graft or patient survival.
"While we found it common for adult donors to be overweight or obese, our analysis suggests that BMI in the 25 to 35 range should not deter liver donation," concludes Dr. Rosenthal. The authors note that causes of graft loss, death, and donor steatosis could not be determined due to lack of donor biopsies. Rosenthal added, "Further research is needed to understand the impact of obesity on donor acceptability and how this affects pediatric liver transplant patients."
###
This study is published in Liver Transplantation. Media wishing to receive a PDF of this article may contact sciencenewsroom@wiley.com.
Full citation: "An Evaluation of the Impact of Donor BMI on Survival and Post-Transplant Obesity in Pediatric Liver Transplant Recipients." Emily Rothbaum Perito, Sue Rhee, Dave Glidden, John Paul Roberts, Philip Rosenthal. Liver Transplantation; Published Online: July 24, 2012 (DOI: 10.1002/lt.23438) Print Issue Date: August, 2012. URL: http://onlinelibrary.wiley.com/doi/10.1002/lt.23438/abstract
About the Author: Dr. Philip Rosenthal is with the University of California, San Francisco's Benioff Children's Hospital. To arrange an interview with Dr. Rosenthal, please contact Juliana Bunim with UCSF at juliana.bunim@ucsf.edu or at 415-476-8810.
About the Journal: Liver Transplantation is published by Wiley on behalf of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society. Since the first application of liver transplantation in a clinical situation was reported more than twenty years ago, there has been a great deal of growth in this field and more is anticipated. As an official publication of the AASLD and the ILTS, Liver Transplantation delivers current, peer-reviewed articles on surgical techniques, clinical investigations and drug research the information necessary to keep abreast of this evolving specialty. For more information, please visit Liver Transplantation.
About Wiley
Founded in 1807, John Wiley & Sons, Inc. has been a valued source of information and understanding for more than 200 years, helping people around the world meet their needs and fulfill their aspirations. Wiley and its acquired companies have published the works of more than 450 Nobel laureates in all categories: Literature, Economics, Physiology or Medicine, Physics, Chemistry, and Peace.
Our core businesses publish scientific, technical, medical, and scholarly journals, encyclopedias, books, and online products and services; professional/trade books, subscription products, training materials, and online applications and Web sites; and educational materials for undergraduate and graduate students and lifelong learners. Wiley's global headquarters are located in Hoboken, New Jersey, with operations in the U.S., Europe, Asia, Canada, and Australia. The Company's Web site can be accessed at http://www.wiley.com. The Company is listed on the New York Stock Exchange under the symbols JWa and JWb.
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2012-08/w-odi080112.php
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