Acute renal failure in cardiac surgical patients, potentiated by gentamicin and calcium
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M Schneider1, S Valentine, G M Clarke
1Department of Anaesthesia, Royal Perth Hospital, W.A.
Insights
Combining high-calcium Haemaccel bypass prime with gentamicin increases renal failure risk in coronary artery bypass graft patients. Avoid this combination to protect kidney function.
Area of Science:
- Cardiovascular Surgery
- Nephrology
- Pharmacology
Background:
- Coronary artery bypass graft (CABG) surgery is a common procedure.
- Renal failure is a significant complication following CABG.
- The use of cardiopulmonary bypass and perioperative medications can impact renal function.
Purpose of the Study:
- To investigate the combined effect of Haemaccel (polygeline) bypass prime with high calcium and gentamicin on renal failure incidence in CABG patients.
- To identify potential risk factors for renal dysfunction in this patient population.
Main Methods:
- Retrospective study design.
- Analysis of patient data from coronary artery bypass graft procedures.
- Comparison of renal failure incidence based on exposure to Haemaccel, gentamicin, both, or neither.
Main Results:
- Patients receiving both Haemaccel (high calcium) and gentamicin exhibited a significantly higher incidence of renal failure.
- The combination of Haemaccel and gentamicin was associated with a statistically significant increase in renal failure compared to receiving either agent alone or neither.
- P-values indicated strong statistical significance for the observed differences (P = 0.005 for Haemaccel only, P = 0.002 for gentamicin only, P = 0.0001 for neither).
Conclusions:
- The combination of Haemaccel bypass prime with high calcium and perioperative gentamicin is associated with an increased risk of renal failure in CABG patients.
- This combination should be avoided in patients undergoing coronary artery bypass graft surgery to mitigate the risk of renal complications.
Abstract:
A retrospective study in coronary artery bypass graft patients was undertaken to assess the effect of gentamicin and a bypass prime with a high calcium on the incidence of renal failure. Patients who received both Haemaccel (polygeline, Hoechst Marion Roussel) (calcium concentration 6.25 mmol/l) in the bypass prime and gentamicin perioperatively had a higher incidence of renal failure compared with those who received only Haemaccel (P = 0.005), only gentamicin (P = 0.002) or neither (P = 0.0001). We suggest that the combination be avoided in this group of patients.