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Table 3 Operative data for the studied sample

From: Minimally invasive aortic valve replacement with central cannulation: A cost-benefit analysis in a developing country

  Mini-sternotomy (MS) (n = 50)Full sternotomy (FS) (n = 52)p
Length of skin incision (cm)(Mean ± SD)5.82 ± 0.6727.64 ± 2.710.001
Implant typeMechanical38(76)28(53.8)0.16
Biological12(24)24(46.2)
Implant size (mm)194(8)9(17.3)0.31
2120(40)23(44.2)
2316(32)16(30.8)
258(16)3(5.8)
272(4)1(0.2)
Cumulative bypass time (min)(Mean ± SD)91.87 ± 34.4194.91 ± 33.960.66
Min, max43, 18050, 215
Cumulative cross-clamp time (min)Mean ± SD68.88 ± 29.6365.78 ± 24.360.58
Min, max70.2, 3530, 165
Minimum core temperature (°C)Mean ± SD31.02 ± 2.3930.47 ± 1.170.14
Min, max31, 2727, 32
Inotropic supportHigh0(0)3(5.7)0.445
Moderate1(2)2(3.8)
Minimal24(48)26(50)
None25(50)21(38.7)
  1. Cm centimeters, mm millimeters, SD standard deviation, °C degree celcius