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Ketamine as an Induction Anesthetic for Poor-Risk Patients

Abstract: Twenty-two patients suffering from shock, dehydration, cardiovascular instability, asthma, or respiratory insufficiency requiring operative procedures had anesthesia induced with ketamine. Anesthesia was produced rapidly. No arrhythmia or impairment of respiratory function occurred. The pre-induction cardiovascular state was maintained with no instances of shock or cardiac arrest. Ketamine appears to be a safe induction agent in this group of poor-risk patients.