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The Korean Journal of Medicine 2007;73(5): 489-495.
원저 : 급성 심근 경색 환자에서 재관류 방법에 따른 P파폭과 P파 분산의 변화
최웅길&#;김대혁&#;김기창&#;안인선&#;김수현&#;유형권&#;권 준&#;박금수&#;이우, Dae Hyeok Kim, Gi Chang Kim, In Sun Ahn, Soo Hyun Kim, Hyung Kwon Yu, Jun Kwan, Keum Soo Park, Woo Hyung Lee
Change of the P wave duration and P wave dispersion according to treatment strategy in patients with a acute myocardial infarction
Woong Gil Choi, Dae Hyeok Kim, Gi Chang Kim, In Sun Ahn, Soo Hyun Kim, Hyung Kwon Yu, Jun Kwan, Keum Soo Park, Woo Hyung Lee
서울대학교 의과대학 내과학교실1, 경희대학교 의과대학 내과학교실2
Background : P wave dispersion (PWD) and P wave duration have been used to evaluate the discontinuous propagation of sinus impulse and the prolongation of atrial conduction time, respectively. This study was conducted to compare the change of the maximal P wave duration (Pmax) and PWD according to the treatment strategy used in patients with an acute myocardial infarction (AMI). Methods : We retrospectively evaluated 86 patients that experienced an AMI. Patients were classified into three groups according to the treatment strategy: primary percutaneous coronary intervention (PCI), thrombolytic therapy, and delayed PCI. ECGs that were obtained from all patients on admission and on the second day were analyzed. The Pmax and minimum P wave duration (Pmin) were measured from a 12-lead ECG. The PWD was calculated as the difference between the Pmax and Pmin. Result : There was no significant difference in the age, gender, medication, coronary risk factor, ejection fraction, left atrial diameter, basal Pmax and PWD among the groups. However, there were significant differences in P max and PWD between the primary PCI group and the other groups on the second day after hospital admission. In the thrombolytic therapy and delayed PCI groups, the PWD was significantly lower in the patients with a patent infarct-related artery (IRA) than in patients without a patent IRA on the second day after hospital admission. Conclusions : These findings suggest that a primary PCI decreased the Pmax and PWD more than thrombolytic therapy or a delayed PCI.(Korean J Med 73:489-495, 2007)
Keywords: P wave duration, P wave dispersion, Acute myocardial infarction
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