Is median sternotomy invasive? A comparison between minimally invasive direct coronary artery bypass and off-pump bypass

Although minimally invasive direct coronary artery bypass (MIDCAB) eliminates the need for median sternotomy and cardiopulmonary bypass, its indications are limited. Conversely, coronary artery bypass without cardiopulmonary bypass (off-pump bypass) enables complete surgical revascularization under...

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Bibliographic Details
Published in:Surgery today (Tokyo, Japan) Japan), 2000-01, Vol.30 (6), p.503-505
Main Authors: Hirata, N, Sawa, Y, Takahashi, T, Katoh, H, Ohkubo, N, Matsuda, H
Format: Article
Language:English
Subjects:
Aged
Cardiopulmonary Bypass
Coronary Artery Bypass - methods
Coronary Disease - surgery
Humans
Length of Stay
Middle Aged
Minimally Invasive Surgical Procedures
Sternum - surgery
Time Factors
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Summary:Although minimally invasive direct coronary artery bypass (MIDCAB) eliminates the need for median sternotomy and cardiopulmonary bypass, its indications are limited. Conversely, coronary artery bypass without cardiopulmonary bypass (off-pump bypass) enables complete surgical revascularization under an optimal surgical field established by median sternotomy, even if patients have multivessel disease. The present study was designed to determine the invasiveness of median sternotomy by comparing 11 patients who underwent MIDCAB and 5 who underwent off-pump bypass between May 1997 and April 1998. There were no significant differences between the MIDCAB group and the off-pump group in age, being 57 +/- 11 vs 66 +/- 8 years old, the operative time, being 321 +/- 149 vs 441 +/- 205 min, the number of grafts, being 1.0 vs 1.4/patient, peak creatine kinase (CK) values, being 662 +/- 436 vs 609 +/- 56 IU/l, the peak CK-muscle-brain values, being 12 +/- 9 vs 16 +/- 5 IU/l, and the postoperative blood loss, being 369 +/- 198 vs 541 +/- 204 ml. Although there was no significant difference in peak C-reactive protein, at 17 +/- 5 vs 20 +/- 2 mg/dl, the periods declining within the normal ranges were shorter in the MIDCAB group than in the off-pump group, at 7 +/- 1 vs 15 +/- 2 days (P > 0.01). The hospital stay was almost the same in both groups, at 16 +/- 8 vs 26 +/- 14 days. These findings suggest that off-pump bypass is more invasive than MIDCAB, which may be attributed to the median sternotomy.
ISSN:0941-1291
1436-2813
DOI:10.1007/s005950070115