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find Author "KONGQing-yu" 2 results
  • Personalized Strategies of Mitral Valve Repair for Anterior Leaflet Prolapse in 67 Patients

    ObjectiveTo analyze short-and long-term results of mitral valve repair for the treatment for mitral anterior leaflet prolapse (ALP), and summarize our clinical experience. MethodsClinical data of 67 patients with mitral ALP who underwent mitral valve repair in Department of Cardiac Surgery of Beijing Anzhen Hospital from January 2002 to June 2013 were retrospectively analyzed. There were 41 male and 26 female patients with their age of 18-71 (46.34±7.68)years and body weight of 43-91 (65.30±18.60)kg. Preoperatively, there were 5 patients in New York Heart Association (NYHA)function class Ⅱ, 27 patients in class Ⅲ, and 35 patients in class Ⅳ. Surgical techniques included 'edge-to-edge' technique, artificial chordal replacement, chordal shortening and edge-to-edge chordal transformation. There were 46 patients with chordal rupture and 21 patients with chordal elongation. Mean mitral regurgitation (MR)area was 15.36±4.53 cm2, and left ventricular ejection fraction (LVEF)was 29%-71%. Echocardiography was performed before discharge, 6 months and every 1 to 2 years after the operation for all the patients to observe short-and long-term results of mitral valve repair for the treatment for mitral ALP. ResultsThere was no in-hospital death. One patient underwent mitral valve replacement because of anterior leaflet perforation 3 days after the operation. Another patient underwent a second mitral valve repair because of avulsion of mitral annulus and proteinuria 6 months after the first operation. None of the other patients received reoperation. All the 67 patients (100%)were followed up for 2-138 (65.6±17.3)months. During follow-up, there was not late death, and all the patients were in NYHA functional class I. Echocardiography showed that cross-sectional area of the mitral valve was 2.3-4.8 (3.63±0.79)cm2. There was no significant MR, and mean MR area was 0.57±0.37 cm2. Left atrium diameter (38.23±11.56 mm vs. 49.26±10.36 mm, P < 0.05)and left ventricular end-diastolic diameter (43.35±13.74 mm vs. 64.29±12.54 mm, P < 0.05)were significantly smaller than preoperative values. ConclusionNearly all the patients with mitral ALP can receive personalized mitral valve repair with satisfactory surgical outcomes.

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  • Early and Mid-term Results of Coronary Artery Bypass Grafing in the Dialysis-dependent Patients

    ObjectiveTo explore the safety and efficacy of patients with dialysis-dependent end-stage renal disease who underwent coronary artery bypass grafting (CABG). Methods We retrospectively analyzed the data of 40 dialysis-dependent patients who underwent CABG in Beijing Anzhen Hospital between January 1, 2006 and August 20, 2013. There were 27 male and 13 female patients at mean age of 63.52±9.17 years. Of them, 33 patients underwent off-pump CABG were in the off-pump CABG group, while 7 patients underwent on-pump CABG were in the on-pump CABG group. ResultsThe average number of the grafts is 2.27±0.68. In the off-pump CABG group, 1 patient died from perioperative myocardial infarction with mortality of 3.0%.In the on-pump CABG group, the operative mortality was 28.6%, with 1 death because of serious infection and secondary multi-organ failure 15 days after the operation, and another death because of ventricular fibrillation 4 days after the operation. The follow-up rate was 100.00%. Overall mean follow-up time was 4.3±2.1 years. During the follow-up, the overall survival rate at 1 year, 3 years, and 5 years was 92.68%, 89.43%, and 82.04% respectively. ConclusionCABG can be performed in the patients with dialysis-dependent end-stage renal disease who also suffered with severe coronary artery disease, despite higher mortality. Surgeons should carefully select patients for the operation. Through optimal way of revascularization, and reasonable perioperative therapy, especially more actively use of continues renal replacement therapy, good results could be got in those kinds of patients.

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