Factors that affect the duration of anesthesia and surgery
Researchers evaluated records from 1288 gonadectomies that had been performed by veterinary students during a surgical rotation. Each student performed an average of 6.6 gonadectomies over 24 weeks.
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Dogs, females, increasing weight, intraoperative complications, and earlier sequential cases were associated with longer duration of surgery and anesthesia and accounted for 50% and 59% of anesthetic and surgical time variance.
The rate of intraoperative complications was higher during canine ovariohysterectomies.
Duration of anesthesia and surgery for canine orchiectomy decreased by more than 20 minutes, and for canine ovariohysterectomy decreased by more than 10 minutes over 24 weeks without reaching a learning plateau.
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