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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Ann Thorac Surg. 2010 Jul;90(1):153–160. doi: 10.1016/j.athoracsur.2010.03.044

Table 3.

Postoperative outcomes for patients undergoing mitral valve operations by operative group.

Outcome Elective Urgent/Emergent
MVR (n=419) MV Repair (n=673) P-value MVR (n=257) MV Repair (n=128) P-value
Operative Mortality 7 (1.7%) 5 (0.7%) 0.23 28 (10.9%) 5 (3.9%) 0.03
Major Complication 54 (12.9%) 32 (4.8%) <0.001 85 (33.1%) 20 (15.6%) 0.001
Myocardial Infarction 0 (0.0%) 0 (0.0%) N/A 0 (0.0%) 0 (0.0%) N/A
Stroke 9 (2.1%) 6 (0.9%) 0.11 10 (3.9%) 5 (3.9%) >0.99
Renal Failure 18 (4.3%) 10 (1.5%) 0.01 27 (10.5%) 3 (2.3%) 0.01
Prolonged Ventilation 44 (10.5%) 22 (3.3%) <0.001 76 (29.6%) 18 (14.1%) 0.002
Hemodialysis 10 (2.4%) 4 (0.6%) 0.01 17 (6.6%) 0 (0.0%) 0.002
Pneumonia 18 (4.3%) 9 (1.3%) 0.004 20 (7.8%) 5 (3.9%) 0.27
Gastrointestinal Event 11 (2.6%) 2 (0.3%) 0.001 17 (6.6%) 2 (1.6%) 0.04
Sepsis 4 (1.0%) 1 (0.1%) 0.07 16 (6.2%) 3 (1.6%) 0.07
Bleeding or Tamponade 9 (2.1%) 22 (3.3%) 0.35 17 (6.6%) 6 (4.7%) 0.65
Postoperative Length of Stay (Days) 8.8±0.4 5.7±0.2 <0.001 14.1±0.9 9.1±0.9 0.001
ICU Length of Stay (Days) 3.3±0.4 1.9±0.1 <0.001 7.4±0.9 3.4±0.6 0.003
Total Cost ($) 37,793±1,509 24,599±552 <0.001 58,104±3,775 35,522±2,623 <0.001