Apneas in Infants with Postconceptional Age bellow 60 Weeks Undergoing Herniorrhaphy

AUTHORS

Majid Razavi 1 , * , Mohamad Gharavi-Fard 2 , Mehryar Taghavi-Gilani 3 , Samira Kazemi 4

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How to Cite: Razavi M, Gharavi-Fard M, Taghavi-Gilani M, Kazemi S. Apneas in Infants with Postconceptional Age bellow 60 Weeks Undergoing Herniorrhaphy, Iran J Pediatr. 2014 ; 24(2):179-183.

ARTICLE INFORMATION

Iranian Journal of Pediatrics: 24 (2); 179-183
Published Online: March 29, 2014
Article Type: Research Article
Received: July 24, 2013
Accepted: January 29, 2014

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Abstract

Objective: Postoperative apnea is a major concern in infants undergoing surgery. In this study, we evaluated incidence and related factors for postoperative apnea in infants less than 60 weeks postconceptual age after herniorrhaphy. Methods: One-hundred fifty infants with post conceptional age (PCA) less than 60 weeks who underwent elective herniorrhaphy were studied over eight months in 2012. General anesthesia was induced by sevoflurane and maintained by remifentanil, atracurium, and N2O 60%. Postoperatively, they were monitored for two hours in the recovery room and ten hours in the ward using pulse oximetry and nasal capnography. Findings: Totally, 31 (20.7%) cases of postoperative apnea were reported. By comparing the patients, factors associated with postoperative apnea included postconceptional age, birth weight, and history of apnea, oxygen therapy, metabolic diseases, icterus, or cardiac disease. Twenty-seven (18%) apnea cases occurred in recovery room in infants with gestational age (GA) of 35.64±2.73 weeks, while only four (2.6%) patients of GA 36.02±2.0 weeks developed delayed apnea). Conclusion: In our study, the incidence of postoperative apnea following inguinal herniorrhaphy under general anesthesia in infants younger than 60 weeks PCA was 20.7%, which is considerable. We recommend longer surveillance and monitoring in recovery room for these infants with high-risk of postoperative apnea. This should be followed by evaluation of risk factors to determine the indication for elective intensive care unit transfer for longer-term monitoring of higher-risk patients.

 

Keywords

Infant Apnea Prematurity Herniorrhaphy Anaesthesia General Postoperative Complications

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