Left atrial volume and the risk of paroxysmal atrial fibrillation in patients with hypertrophic cardiomyopathy.
Paroxysmal atrial fibrillation (PAF) is a common complication of patients with hypertrophic cardiomyopathy, often leading to acute or progressive heart failure and cerebral infarction. We assessed the echocardiographic data of 141 consecutive patients with hypertrophic cardiomyopathy, with and without PAF. In all, 31 patients (22%) had a history of PAF with spontaneous conversion to in sinus rhythm. Left atrial volume and left atrial volume indexed to body surface area were significantly increased for patients with PAF compared with those without PAF. Maximum left atrial volume was the most sensitive and specific parameter for the occurrence of PAF in patients with hypertrophic cardiomyopathy.
Tani
Tomoko
T
Division of Cardiology, Kobe General Hospital, Japan. tomokot@kcgh.gr.jp
Tanabe
Kazuaki
K
Ono
Miwa
M
Yamaguchi
Kazuto
K
Okada
Midori
M
Sumida
Toshiaki
T
Konda
Toshiko
T
Fujii
Yoko
Y
Kawai
Junichi
J
Yagi
Toshikazu
T
Sato
Masatake
M
Ibuki
Motoaki
M
Katayama
Minako
M
Tamita
Koichi
K
Yamabe
Kenji
K
Yamamuro
Atsushi
A
Nagai
Kunihiko
K
Shiratori
Kenichi
K
Morioka
Shigefumi
S
D001281:Atrial Fibrillation / Q000209:etiology* / Q000503:physiopathology; D016279:Atrial Function, Left / Q000502:physiology*; D001783:Blood Flow Velocity / Q000502:physiology; D001830:Body Surface Area; D002306:Cardiac Volume / Q000502:physiology*; D002312:Cardiomyopathy, Hypertrophic / Q000150:complications* / Q000503:physiopathology; D004452:Echocardiography; D005260:Female; D005500:Follow-Up Studies; D006325:Heart Atria / Q000000981:diagnostic imaging; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging; D009200:Myocardial Contraction / Q000502:physiology; D012372:ROC Curve; D012307:Risk Factors; D012680:Sensitivity and Specificity; D016037:Single-Blind Method; D013318:Stroke Volume / Q000502:physiology