<?xml version='1.0' encoding='UTF-8'?><xml><records><record><source-app name="HighWire" version="7.x">Drupal-HighWire</source-app><ref-type name="Journal Article">17</ref-type><contributors><authors></authors><secondary-authors><author><style face="normal" font="default" size="100%">Griffin, Brian</style></author><author><style face="normal" font="default" size="100%">Rosenhek, Raphael</style></author><author><style face="normal" font="default" size="100%">Bonow, Robert O.</style></author><author><style face="normal" font="default" size="100%">Schwartz, Allan</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">What You Need to Know about Degenerative Mitral Valve Regurgitation in 2006</style></title><secondary-title><style face="normal" font="default" size="100%">MD Conference Express</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2006-04-01 00:00:00</style></date></pub-dates></dates><pages><style  face="normal" font="default" size="100%">24-24</style></pages><abstract><style  face="normal" font="default" size="100%">“Myxoid changes are the leading cause of mitral valve (MV) prolapse and regurgitation,” according to Brian Griffin, MD, Cleveland Clinic. Myxoid chordae in MR have &lt;25% of normal load bearing capacity, Dr. Griffin noted. “But are these myxomatous changes genetically programmed or maladaptative?” Dr. Griffin asked. “More studies are needed to help answer this question”</style></abstract><number><style face="normal" font="default" size="100%">1</style></number><volume><style face="normal" font="default" size="100%">6</style></volume></record></records></xml>