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[Special problems of coronary patient: viewpoint of the anesthesiologist]
1Zentrum Anaesthesiologie der Universität, Göttingen.
Insights
Patients with ischemic heart disease face a higher risk of heart attack during surgery. Careful anesthetic management, skilled anesthesiologists, and close monitoring are crucial for reducing cardiac complications in these patients.
Area of Science:
- Cardiology
- Anesthesiology
- Cardiovascular Surgery
Context:
- Patients with ischemic heart disease (IHD) have a significantly elevated risk of perioperative myocardial infarction (reinfarction).
- Cardiac complication incidence rises with surgeries on great vessels and intrathoracic or upper abdominal regions.
- The choice of anesthetic is less critical than the anesthesiologist's skill and invasive monitoring for managing hemodynamic instability.
Purpose:
- To outline the increased risks of perioperative myocardial infarction in patients with ischemic heart disease.
- To identify surgical factors and anesthetic considerations impacting cardiac complications.
- To emphasize the importance of anesthesiologist expertise, invasive monitoring, and preoperative risk assessment.
Summary:
- Ischemic heart disease substantially increases perioperative myocardial infarction risk.
- Certain surgical locations elevate cardiac complication incidence.
- Anesthesiologist skill, invasive monitoring, and hemodynamic management are key; isoflurane warrants caution due to potential coronary steal.
- Postoperative care in intensive or recovery units is essential.
- Preoperative risk evaluation and management of hemodynamic/metabolic disorders are mandatory.
Impact:
- Highlights critical factors for mitigating perioperative cardiac events in high-risk patients.
- Informs anesthetic strategies and surgical planning to improve patient outcomes.
- Underscores the necessity of vigilant postoperative care and comprehensive preoperative assessment for patients with IHD.
Abstract:
1) Patients with ischaemic heart disease have a substantial increased risk to develop perioperative myocardial infarction (reinfarction). 2) The incidence of cardiac complications increases when surgery is performed on the great vessels and in the intrathoracic and upper abdominal region. 3) The choice of the anaesthetic is of minor importance. However, isoflurane may be particularly susceptible to produce a coronary steal phenomenon and therefore should be used with caution in patients with IHD. 4) Experience and skill of the anaesthetist is of greater importance to avoid ischaemia. Invasive monitoring and aggressive treatment of haemodynamic disorders may reduce the risk of ischaemia. 5) During recovery patients with IDH must be controlled carefully at a recovery ward or ICU. 6) Preoperative evaluation of the individual risk and specific treatment of haemodynamic and metabolic disorders are mandatory. Psychologic guidance of the patients throughout the preoperative period is important.
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