Key result
Ketamine anesthesia in patients under 31 linked to ~79% fewer unsatisfactory anesthetic courses versus older patients.
Why the study?
Does age affect the incidence of unsatisfactory anesthetic courses and emergence reactions in patients receiving ketamine anesthesia?
Observational
Does age affect the incidence of unsatisfactory anesthetic courses and emergence reactions in patients receiving ketamine anesthesia?
Absolute Event Rate: 7% vs 34%
Ketamine anesthesia is associated with a higher rate of unsatisfactory anesthetic courses and emergence reactions in adults compared to children.
May increase unsatisfactory ketamine courses in adults ≥31 years; leaves open whether age-specific protocols warrant prospective trials.
Seven per cent of patients less than 31 years old who received ketamine anesthesia developed problems leading to unsatisfactory anesthetic courses (loss of airway, muscular hypertonus, and inadequate analgesia); 34 per cent of patients 31 years old or older had unsatisfactory anesthesia. Emergence reactions (not classified as unsatisfactory anesthesia) occurred in 24 per cent of patients 16 years old or older and in 8 per cent of children less than 16 years old.
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David R. Sussman (1974) conducted an observational in Patients receiving ketamine anesthesia. Ketamine anesthesia in patients <31 years old vs. Patients ≥31 years old was evaluated on Unsatisfactory anesthetic courses (loss of airway, muscular hypertonus, and inadequate analgesia). Ketamine anesthesia resulted in unsatisfactory anesthetic courses in 7% of patients <31 years old compared to 34% of patients ≥31 years old.
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