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On-pump beating-heart coronary artery bypass grafting for acute myocardial infarction.
Ann Thorac Surg. 2006 Feb; 81(2):573-6.AT

Abstract

BACKGROUND

The early results of emergent coronary artery bypass grafting by conventional operative method for acute myocardial infarction are reported to be poor. The purpose of this study is to evaluate on-pump beating-heart coronary artery bypass grafting for acute myocardial infarction.

METHODS

Thirty-one patients with acute myocardial infarction underwent emergent surgery between January 1998 and June 2004 at Nayoro City General Hospital. In 16 patients, on-pump surgery was performed on the arrested heart, and in the other 15, on-pump surgery was performed on the beating heart. Early results were compared between the two groups.

RESULTS

Preoperative and perioperative patient characteristics revealed no significant differences between the two groups. Although there was no statistically difference between the two groups, the early mortality rates of on-pump arrested-heart coronary bypass grafting (31.3%) was higher than that of on-pump beating-heart coronary bypass grafting (13.3%). Postoperatively, the creatine kinase myocardial band value for the on-pump beating-heart group was significantly lower than that for the on-pump arrested-heart group (221 +/- 200 IU/L versus 666 +/- 540 IU/L, p = 0.008). The incidence of postoperative acute renal failure was significantly higher in the on-pump arrested-heart group than in the on-pump beating-heart group (p = 0.034). The durations of ventilator use and inotropic agent use were longer in the on-pump arrested-heart group than in the on-pump beating-heart group, though the differences were not statistically different (p = 0.152, p = 0.223).

CONCLUSIONS

On-pump beating-heart coronary artery bypass grafting has the possibility to eliminate intraoperative global myocardial ischemia and to be an acceptable surgical option for acute myocardial infarction associated with lower postoperative mortality and morbidity.

Authors+Show Affiliations

Department of Thoracic and Cardiovascular Surgery, Nayoro City General Hospital, Nayoro, Hokkaido, Japan. yi398ngh@seagreen.ocn.ne.jpNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

16427854

Citation

Izumi, Yuichi, et al. "On-pump Beating-heart Coronary Artery Bypass Grafting for Acute Myocardial Infarction." The Annals of Thoracic Surgery, vol. 81, no. 2, 2006, pp. 573-6.
Izumi Y, Magishi K, Ishikawa N, et al. On-pump beating-heart coronary artery bypass grafting for acute myocardial infarction. Ann Thorac Surg. 2006;81(2):573-6.
Izumi, Y., Magishi, K., Ishikawa, N., & Kimura, F. (2006). On-pump beating-heart coronary artery bypass grafting for acute myocardial infarction. The Annals of Thoracic Surgery, 81(2), 573-6.
Izumi Y, et al. On-pump Beating-heart Coronary Artery Bypass Grafting for Acute Myocardial Infarction. Ann Thorac Surg. 2006;81(2):573-6. PubMed PMID: 16427854.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - On-pump beating-heart coronary artery bypass grafting for acute myocardial infarction. AU - Izumi,Yuichi, AU - Magishi,Katsuaki, AU - Ishikawa,Noriyuki, AU - Kimura,Fumiaki, PY - 2005/02/20/received PY - 2005/08/14/revised PY - 2005/08/23/accepted PY - 2006/1/24/pubmed PY - 2006/8/23/medline PY - 2006/1/24/entrez SP - 573 EP - 6 JF - The Annals of thoracic surgery JO - Ann Thorac Surg VL - 81 IS - 2 N2 - BACKGROUND: The early results of emergent coronary artery bypass grafting by conventional operative method for acute myocardial infarction are reported to be poor. The purpose of this study is to evaluate on-pump beating-heart coronary artery bypass grafting for acute myocardial infarction. METHODS: Thirty-one patients with acute myocardial infarction underwent emergent surgery between January 1998 and June 2004 at Nayoro City General Hospital. In 16 patients, on-pump surgery was performed on the arrested heart, and in the other 15, on-pump surgery was performed on the beating heart. Early results were compared between the two groups. RESULTS: Preoperative and perioperative patient characteristics revealed no significant differences between the two groups. Although there was no statistically difference between the two groups, the early mortality rates of on-pump arrested-heart coronary bypass grafting (31.3%) was higher than that of on-pump beating-heart coronary bypass grafting (13.3%). Postoperatively, the creatine kinase myocardial band value for the on-pump beating-heart group was significantly lower than that for the on-pump arrested-heart group (221 +/- 200 IU/L versus 666 +/- 540 IU/L, p = 0.008). The incidence of postoperative acute renal failure was significantly higher in the on-pump arrested-heart group than in the on-pump beating-heart group (p = 0.034). The durations of ventilator use and inotropic agent use were longer in the on-pump arrested-heart group than in the on-pump beating-heart group, though the differences were not statistically different (p = 0.152, p = 0.223). CONCLUSIONS: On-pump beating-heart coronary artery bypass grafting has the possibility to eliminate intraoperative global myocardial ischemia and to be an acceptable surgical option for acute myocardial infarction associated with lower postoperative mortality and morbidity. SN - 1552-6259 UR - https://www.unboundmedicine.com/medline/citation/16427854/On_pump_beating_heart_coronary_artery_bypass_grafting_for_acute_myocardial_infarction_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0003-4975(05)01541-9 DB - PRIME DP - Unbound Medicine ER -