Cardiac troponin I concentrations during on-pump coronary artery surgery
Fabio Capuano1, Caterina Simon, Antonino Roscitano
1Division of Cardiac Surgery, St. Andrea Hospital, University of Rome La Sapienza, Rome, Italy. capmd@katamail.com
Insights
The double-clamp technique did not reduce myocardial infarction after coronary artery bypass grafting. Single-clamp technique is safe and effective for on-pump bypass grafting, showing no adverse effects on patient outcomes.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Perioperative myocardial infarction is a common complication following coronary artery bypass grafting (CABG), leading to poor patient prognosis.
- Optimizing surgical techniques to minimize myocardial damage during CABG is crucial for improving patient outcomes.
Purpose of the Study:
- To compare the incidence of perioperative myocardial infarction in patients undergoing on-pump CABG using either a single-clamp or a double-clamp technique for anastomosis.
- To evaluate the safety and efficacy of the single-clamp technique in elective on-pump CABG.
Main Methods:
- A retrospective study involving 180 patients undergoing on-pump CABG.
- Two groups were compared: 100 patients using a single-clamp technique and 80 patients using a double-clamp technique for anastomoses.
- Postoperative cardiac troponin I levels were measured and compared between the two groups.
Main Results:
- Postoperative cardiac troponin I levels were not significantly different between the single-clamp and double-clamp technique groups.
- The incidence of myocardial infarction did not differ significantly between the groups.
Conclusions:
- The double-clamp technique does not offer a significant advantage in reducing myocardial infarction after elective on-pump CABG.
- The single-clamp technique is a safe and viable option for performing anastomoses during on-pump CABG, with no negative impact on postoperative outcomes.
Abstract:
Perioperative myocardial infarction remains a frequent complication after coronary artery bypass grafting, and is associated with a poor prognosis. This retrospective study compared cardiac troponin I concentrations after on-pump bypass grafting in 2 groups of patients: 100 operated on using a single-clamp technique to perform anastomoses, and 80 operated on using a double-clamp technique. Postoperative cardiac troponin I levels were not significantly different between groups. It was concluded that the double-clamp technique did not reduce the incidence of myocardial infarction after elective on-pump coronary artery bypass grafting, and use of a single clamp is safe with no adverse effect on postoperative outcome.
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