2Kannel MB,Abbott RD,Savage DD,et al. Epidemiologic features of chronic atrial fibriUatin: the Framingham Study. N Engl J Med, 1982,306:1018～1022.
3Petersen P,Kastrup J,Brinch K,et al. Relation between left a trial diameters and duration of atrial fibrillation. Am J Cardiol, 1987,60:382～384.
4Keren G,Etzion T,Sherez J,et al. Atrial fibrillation and atrial enlargement in patients with mitral stenosis. Am Heart J, 1987, 114:1146～1155.
5Vaziri SM,Larson MG,Benjamin E J,et al. Echocardiographic predictor of nonrheumatic atrial fibrillation: the Framingham Heart Study. Circulation,1994,89:724～730.
6Pasaty BM,Manolio TA,Kuller LH,et al. Incidence of and risk factors for atrial fibrillation in older adults. Circulation, 1997,96: 2455～2461.
7Tsang TS,Barnes ME,Bailey KR,et al. Left atrial volume: im portant risk marker of incident atrial fibrillation in 1655 older men and women. Mayo Clin Proc,2001,76(5):467～475.
8Lester S J,Ryan EW,Schiller NB,et al. Best method in clinical practice and research studies to determine left atrial size. Am J Cardiol, 1999,84:829～832.
9Sanfilippo AJ,Abascal VM,Sheehan M,et al. Atrial enlargement as a consequence of atrial fibrillation:a prospective echocardiographic study. Circulation,1990,82: 792～797.
10Suarez GS,Lampert S,Ravid S,et al. Changes in left atrial size in patients with lone atrial fibrillation. Clin Cardiol,1991,14 (8): 652～656.
6AKAO M,CHUN Y H,WADA H. Current status of clinical background of patients with atrial fibrillation in a community-based survey:the Fushimi AF Registry[J].{H}Journal of Cardiology,2013,(4):260-266.
7Bjorck S, Palaszewski B,fribeg L,et,al. Atrial fibrillation, stroke risk and warfarin therapy revisited: a population-based study .stroke; A Jonmal of cerebral Circulation ,2013,44,3103-3108.
8Dublin S Glazer Nl,smith NL,et Al. Diabetes mellitus ,glycemic control and risk Of Atrial fibrillation .J Gen Intern Med ,2010,25(8): 853-858.
9A1-Saady NM,Obel OA,Camm AJ.Left atrial appendage: structure, function mad role in thromboembolism. Heart, 1999,82:547-554.
10Lip GY .Stroke and bleeding risk assessment in atrial fibrillation : when ,how, and why? European Heart Journal 2013,34,1041 - 1049.
