?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=P+Wave+Dispersion+is+Increased+in+Pulmonary+Stenosis&rft.creator=Ozmen%2C+Namik&rft.creator=Cebeci%2C+Bekir+Sitki&rft.creator=Kardesoglu%2C+Ejder&rft.creator=Celik%2C+Turgay&rft.creator=Dincturk%2C+Mehmet&rft.creator=Demiralp%2C+Ergun&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=Aim%3A+The+right+atrium+pressure+load+is+increased+in+pulmonary+stenosis+(PS)+that+is+a+congenital+anomaly+and+this+changes+the+electrophysiological+characteristics+of+the+atria.+However%2C+there+is+not+enough+data+on+the+issue+of+P+wave+dispersion+(PWD)+in+PS.+%0A%0AMethods%3A+Forty-+two+patients+diagnosed+as+having+valvular+PS+with+echocardiography++and+33+completely+healthy+individuals+as+the+control+group+were+included+in+the+study.+P+wave+duration%2C+p+wave+maximum+(p+max)+and+p+minimum+(p+min)+were+calculated+from+resting+electrocariography+(ECG)+obtained+at+the+rate+of+50+mm%2Fsec.+P+wave+dispersion+was+derived+by+subtracting+p+min+from+p+max.+The+mean+pressure+gradient+(MPG)+at+the+pulmonary+valve%2C+structure+of+the+valve+and+diameters+of+the+right+and+left+atria+were+measured+with+echocardiography.++The+data+from+two+groups+were+compared+with+the+Mann-Whitney+U+test+and+correlation+analysis+was+performed+with+the+Pearson+correlation+technique.+%0A%0AResults%3A+There+wasn%E2%80%99t+any+statistically+significance+in+the+comparison+of+age%2C+left+atrial+diameter+and+p+min+between+two+groups.++While+the+MPG+at+the+pulmonary+valve+was+43.11+%C2%B1+18.8+mmHg+in+PS+patients%2C+it+was+8.4+%C2%B1+4.5+mmHg+in+the+control+group.+While+p+max+was+107.1+%C2%B1+11.5+in+PS+group%2C+it+was+98.2+%C2%B1+5.1+in+control+group+(p%3D0.01)%2C+PWD+was+40.4+%C2%B1+1.2+in+PS+group%2C+and+27.2+%C2%B1+9.3+in+the+control+group+(p%3D0.01)Moreover%2C+while+the+diameter+of+the+right+atrium+in+PS+group+was+greater+than+that+of+the+control+group%2C+(38.7+%C2%B1+3.9+vs+30.2+%C2%B1+2.5%2C+p%3D0.02).+We+detected+a+correlation+between+PWD+and+pressure+gradient+in+regression+analysis.+%0A%0AConclusion%3A+P+wave+dispersion+and+p+max+are+increased+in+PS.+While+PWD+was+correlated+with+the+pressure+gradient+that+is+the+degree+of+narrowing%2C+it+was+not+correlated+with+the+diameters+of+the+right+and+left+atria.++%0A++++++++++%0A&rft.publisher=Indian+Pacing+and+Electrophysiology+Group&rft.contributor=Singh%2C+Balbir&rft.contributor=Lokhandwala%2C+Yash&rft.contributor=Francis%2C+Johnson&rft.contributor=Gupta%2C+Anup&rft.date=2006-01&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F4674%2F1%2Fozmen.htm&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4674%2F2%2Fozmen.pdf&rft.identifier=++Ozmen%2C+Namik+and+Cebeci%2C+Bekir+Sitki+and+Kardesoglu%2C+Ejder+and+Celik%2C+Turgay+and+Dincturk%2C+Mehmet+and+Demiralp%2C+Ergun++(2006)+P+Wave+Dispersion+is+Increased+in+Pulmonary+Stenosis.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4674%2F