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Public release date: 22-Aug-2012[ | E-mail |
Share ] Contact: Sonya Gilpin
sonya.gilpin@lawsonresearch.com
519-685-8500 x75852
Lawson Health Research Institute
Study provides new direction for research in bipolar disorder during pregnancy
LONDON, ON The impact of bipolar disorder during pregnancy has been hotly contended among the research community. Now, a new study from Lawson Health Research Institute and Western University is sorting out the debate and calling for more targeted, prospective research.
Bipolar disorder is characterized by depression, hypomania, or mania. It is most common among women, and its episodes are often concentrated during the height of the reproductive years.
Bipolar disorder can lead to suicide, infanticide, and increased risk for psychiatric hospitalization during the postpartum period. During pregnancy, though, the impact is unclear. Through a comprehensive literature review, Dr. Verinder Sharma and his team sought to clearly define what scientists already knew about bipolar disorder during pregnancy, and where they should look next.
Despite contradictory findings, their review suggests pregnancy could have a positive impact on bipolar disorder. Throughout the literature, bipolar II disorder was either uncommon or in remission during pregnancy. Women already diagnosed with bipolar disorder had fewer and shorter episodes while pregnant. Pregnant women also had a lower risk of any other mood disorder than non-pregnant women.
However, the impact of mood stabilizer medications has complicated much of the existing data. In the literature, bipolar disorder is often misdiagnosed as depression, and antidepressants are prescribed as treatment. These medications are known to make bipolar symptoms worse. Similarly, many women taking mood stabilizers discontinue their prescriptions to avoid potential side effects on their unborn babies. This rapid break appears to provoke bipolar episodes.
These circumstances have made it challenging for scientists to separate the impact of the drugs from the impact of the disorder. To make a clear judgment, Dr. Sharma is calling for large, multicenter, prospective studies that specifically address the natural course of the disorder.
"There is no period in a woman's life when the risk of relapse of bipolar disorder is as high as in the postpartum period. This is in sharp contrast to pregnancy, when women may experience an improvement in their symptoms," he says. "If we fail to understand the effect of pregnancy on bipolar disorder, we will fail to understand bipolar disorder."
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The study was funded by the Ontario Mental Health Foundation, and will be published online tomorrow in The Journal of Clinical Psychiatry.
Dr. Verinder Sharma is a Scientist at Lawson Health Research Institute and Western University. He is a Professor in the Departments of Psychiatry and Obstetrics & Gynecology, also at Western, and a Psychiatrist at St. Joseph's Health Care London's Perinatal Clinic.
Lawson Health Research Institute. As the research institute of London Health Sciences Centre and St. Joseph's Health Care London, and working in partnership with Western University, Lawson Health Research Institute is committed to furthering scientific knowledge to advance health care around the world. www.lawsonresearch.com
For more information, please contact:
Sonya Gilpin
Communications & Public Relations
Lawson Health Research Institute
519-685-8500 ext. 75852
519-854-7164
sonya.gilpin@lawsonresearch.com
www.lawsonresearch.com
[ | 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: 22-Aug-2012[ | E-mail |
Share ] Contact: Sonya Gilpin
sonya.gilpin@lawsonresearch.com
519-685-8500 x75852
Lawson Health Research Institute
Study provides new direction for research in bipolar disorder during pregnancy
LONDON, ON The impact of bipolar disorder during pregnancy has been hotly contended among the research community. Now, a new study from Lawson Health Research Institute and Western University is sorting out the debate and calling for more targeted, prospective research.
Bipolar disorder is characterized by depression, hypomania, or mania. It is most common among women, and its episodes are often concentrated during the height of the reproductive years.
Bipolar disorder can lead to suicide, infanticide, and increased risk for psychiatric hospitalization during the postpartum period. During pregnancy, though, the impact is unclear. Through a comprehensive literature review, Dr. Verinder Sharma and his team sought to clearly define what scientists already knew about bipolar disorder during pregnancy, and where they should look next.
Despite contradictory findings, their review suggests pregnancy could have a positive impact on bipolar disorder. Throughout the literature, bipolar II disorder was either uncommon or in remission during pregnancy. Women already diagnosed with bipolar disorder had fewer and shorter episodes while pregnant. Pregnant women also had a lower risk of any other mood disorder than non-pregnant women.
However, the impact of mood stabilizer medications has complicated much of the existing data. In the literature, bipolar disorder is often misdiagnosed as depression, and antidepressants are prescribed as treatment. These medications are known to make bipolar symptoms worse. Similarly, many women taking mood stabilizers discontinue their prescriptions to avoid potential side effects on their unborn babies. This rapid break appears to provoke bipolar episodes.
These circumstances have made it challenging for scientists to separate the impact of the drugs from the impact of the disorder. To make a clear judgment, Dr. Sharma is calling for large, multicenter, prospective studies that specifically address the natural course of the disorder.
"There is no period in a woman's life when the risk of relapse of bipolar disorder is as high as in the postpartum period. This is in sharp contrast to pregnancy, when women may experience an improvement in their symptoms," he says. "If we fail to understand the effect of pregnancy on bipolar disorder, we will fail to understand bipolar disorder."
###
The study was funded by the Ontario Mental Health Foundation, and will be published online tomorrow in The Journal of Clinical Psychiatry.
Dr. Verinder Sharma is a Scientist at Lawson Health Research Institute and Western University. He is a Professor in the Departments of Psychiatry and Obstetrics & Gynecology, also at Western, and a Psychiatrist at St. Joseph's Health Care London's Perinatal Clinic.
Lawson Health Research Institute. As the research institute of London Health Sciences Centre and St. Joseph's Health Care London, and working in partnership with Western University, Lawson Health Research Institute is committed to furthering scientific knowledge to advance health care around the world. www.lawsonresearch.com
For more information, please contact:
Sonya Gilpin
Communications & Public Relations
Lawson Health Research Institute
519-685-8500 ext. 75852
519-854-7164
sonya.gilpin@lawsonresearch.com
www.lawsonresearch.com
[ | 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/lhri-lrs082112.php
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