• K H Sartorelli, J C Abajian, J M Kreutz, and D W Vane.
• Division of Pediatric Surgery, University of Vermont College of Medicine, Burlington 05405.
• J. Pediatr. Surg. 1992 Aug 1;27(8):1022-5.

AbstractThe development of apnea following general anesthesia in high-risk infants (less than 60 weeks postconceptual age) has been reported up to 37%, prompting the routine admission of these children following minor surgical procedures. One hundred forty high-risk infants (American Society of Anesthesiologists category greater than or equal to 2) were prospectively evaluated after undergoing surgical procedures normally performed as outpatients in low-risk babies. All patients had spinal anesthesia for their operations. The mean gestational age for these infants was 30.8 +/- 3.7 weeks (minimum, 24 weeks) with a mean birth weight of 1,466.0 +/- 638.8 g. The mean postconceptual age and weight at the time of surgery were 44.8 +/- 7.8 weeks and 3,336 +/- 1,242 g, respectively. Difficulty in administering the spinal anesthetic occurred in 6 cases (4.2%). Postoperative complications occurred in 5 children (3.8%). They were: postoperative fever (2), transient bradycardia (2), and apnea (1). The four cases of postoperative fever and bradycardia were insignificant and required no medical intervention. The single case of apnea occurred in a premature infant who received a supplemental dose of intravenous midazolam. Length of operation in these cases ranged from 15 minutes to 95 minutes (mean, 53 minutes), with two incidents of inadequate anesthesia occurring in this cohort. Mean duration of anesthesia was 146 minutes (range, 50 to 240 minutes) and was directly dependent on dosage administration of the agents. These data indicate that the use of spinal anesthesia in high-risk infants is safe and effective for surgical procedures generally performed as outpatients (3.0% minor complication rate, 0.8% major complication rate).(ABSTRACT TRUNCATED AT 250 WORDS)

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