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Published on: January 10, 2025
[Anesthetic maintenance during myocardial revascularization in patients over 70 years of age]
Insights
Geriatric patients with coronary heart disease (CHD) face higher health risks. Optimized anesthesia management in elderly CHD patients can maintain hemodynamic stability, though careful monitoring for intraoperative complications is crucial.
Area of Science:
- Cardiology
- Anesthesiology
- Geriatrics
Context:
- Coronary heart disease (CHD) poses unique challenges in elderly patients.
- Geriatric patients (70-83 years) exhibit higher comorbidities compared to younger adults (40-59 years).
- Comorbidities include arterial hypertension, respiratory and CNS diseases, arrhythmias, and anemia.
Purpose:
- To compare preoperative and intraoperative periods in elderly CHD patients versus a younger control group.
- To evaluate the efficacy of a specific balanced general anesthesia protocol in elderly CHD patients.
Summary:
- Elderly CHD patients demonstrated increased incidence of comorbidities.
- A balanced anesthesia protocol (low-dose midazolam, fentanyl, sub-anesthetic ketamine, isoflurane, infusion therapy) achieved hemodynamic stability during induction and preperfusion.
- Intraoperatively, elderly patients experienced greater reductions in oxygenation and body temperature, requiring more cardiotonic, diuretic, and erythrocyte mass support.
Impact:
- Suggests a tailored anesthetic approach can mitigate risks in elderly CHD patients.
- Highlights the need for vigilant intraoperative monitoring and management of physiological changes in this population.
- Provides insights into optimizing anesthetic care for geriatric cardiac surgery patients.
Abstract:
The authors performed a comparative retrospective analysis of preoperative and intraoperative periods in 50 patients aged 70-83 years with coronary heart disease (CHD). A control group comprised the similar patients aged 40-59 years. The geriatric patients showed a higher incidence of arterial hypertension, respiratory and central nervous system diseases, cardiac arrhythmias, and anemia as an outcome. In CHD patients aged 70-80 years, balanced general anesthesia based on lower-dose midazolam and fentanyl, on subnarcotic-dose ketamine during the metered use of isoflurane and adequate infusion therapy provided reasonable hemodynamic stability during the induction of anesthesia and the preperfiusion period without administering cardiotonic agents. Intraoperatively, there was a more pronounced reduction in pulmonary oxygenizing function, body temperature and more needs for cardiotonic and diuretic therapy and erythrocyte mass after the basic stage of surgery.
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