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Does cardiopulmonary bypass temperature correlate with postoperative central nervous system dysfunction?
R M Engelman1, A B Pleet, J A Rousou
1Department of Surgery, Baystate Medical Center, Springfield, MA 01107, USA.
Journal of Cardiac Surgery
|July 1, 1995
Summary
This study found no significant difference in neurological function after coronary revascularization across different perfusate temperatures. Maintaining normal neurological function is key, regardless of temperature interventions.
Area of Science:
- Cardiovascular Surgery
- Neurology
- Medical Research
Background:
- Systemic perfusate temperature is a variable during coronary revascularization.
- The impact of varying perfusate temperatures on neurological function requires further investigation.
Purpose of the Study:
- To investigate the influence of different perfusate temperatures on neurological function in patients undergoing coronary revascularization.
- To compare neurological outcomes at warm (37°C), tepid (32°C), and cold (20°C) perfusate temperatures.
Main Methods:
- A randomized trial involving 51 patients undergoing coronary revascularization.
- Patients were assigned to warm, tepid, or cold systemic perfusate and cardioplegia temperatures.
- Neurological function was assessed using the Mathew Scale preoperatively, at discharge, and at 1-month follow-up.
Main Results:
- A significant decrease in neurological function was observed from preoperative to postoperative assessments across all groups (p < 0.05).
- This neurological deficit resolved by the 1-month follow-up.
- No statistically significant differences in neurological function were found between the warm, tepid, and cold temperature groups.
Conclusions:
- Perfusate temperature during coronary revascularization did not demonstrate a discernible influence on neurological function in this study.
- Further research with additional patients is warranted to confirm these findings.