tailieunhanh - Báo cáo y học: "The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae tendineae: a large study in a Chinese cardiovascular center"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae tendineae: a large study in a Chinese cardiovascular center. | Wu et al. Journal of Cardiothoracic Surgery 2011 6 94 http content 6 1 94 JCTS JOURNAL OF CARDIOTHORACIC SURGERY RESEARCH ARTICLE Open Access The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae tendineae a large study in a Chinese cardiovascular center 1 2 3w -1 1 1 1 4 Weichun Wu Xiaoliang Luo Linlin Wang Xin Sun Yong Jiang Shunwei Huo Dalou Tu Zhigang Bai and Hao Wang1 Abstract Background The accuracy of echocardiography versus surgical and pathological classification of patients with ruptured mitral chordae tendineae RMCT has not yet been investigated with a large study. Methods Clinical hemodynamic surgical and pathological findings were reviewed for 242 patients with a preoperative diagnosis of RMCT that required mitral valvular surgery. Subjects were consecutive in-patients at Fuwai Hospital in 2002-2008. Patients were evaluated by thoracic echocardiography TTE and transesophageal echocardiography TEE . RMCT cases were classified by location as anterior or posterior and classified by degree as partial or complete RMCT according to surgical findings. RMCT cases were also classified by pathology into four groups myxomatous degeneration chronic rheumatic valvulitis CRV infective endocarditis and others. Results Echocardiography showed that most patients had a flail mitral valve moderate to severe mitral regurgitation a dilated heart chamber mild to moderate pulmonary artery hypertension and good heart function. The diagnostic accuracy for RMCT was for TTE and 100 for TEE compared with surgical findings. Preliminary experiments demonstrated that the sensitivity and specificity of diagnosing anterior posterior and partial RMCT were high but the sensitivity of diagnosing complete RMCT was low. Surgical procedures for RMCT depended on the location of ruptured chordae tendineae with no relationship between surgical procedure and complete or partial RMCT. The .

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