Table 4

Mitral valve repair in dilated cardiomyopathy. Left ventricular function and flow before and after annuloplasty

Variable Preoperatively Postoperatively % change* p Value
End diastolic volume (ml)335 (107)307 (103) 18 (9) 0.06
End systolic volume (ml)227 (101)237 (98)−15 (14) 0.03
Stroke volume (ml) 58 (13) 70 (21)+12 (10) 0.02
Ejection fraction (%) 18 (5) 24 (10)+31 (24) 0.03
Mitral inflow (l/mm) 12.4 (5.3)  5.4 (0.5)−49 (22) 0.02
Forward cardiac output (l/min)  3.2 (1.0)  4.7 (0.9)+52 (38) 0.01
Regurgitant volume (l/min)  9.2 (5.4)  0.8 (0.6) 88.6 (10.1) 0.01
Regurgitant fraction (%) 70 (14) 15 (11)−79 (15)< 0.001
  • Values are mean (SD). *Percentage change from preoperative study at 4–6 months postoperatively. NYHA class fell significantly from 3.9 (0.4) to 1.8 (0.5) (p < 0.001).

  • Reproduced from Bolling et al. J Thorac Cardiovasc Surg1998;115: 381-8. with permission of the publisher.