Resumen

GONZALEZ CARDENAS, V.H. Neonatal Respiratory Depression and Intrathecal Fentanyl. Rev. colomb. anestesiol. [online]. 2012, vol.40, n.2, pp.100-105. ISSN 0120-3347.  https://doi.org/10.1016/S0120-3347(12)70021-7.

Objective: To establish the prevalence of neonatal respiratory depression in patients exposed to intrathecal fentanyl during Cesarean section. Methods: Cross-sectional Analytical Observational Retrospective Study conducted at the Mother and Child Clinic of the Saludcoop Corporation in patients undergoing C-section who received intrathecal fentanyl for regional anesthesia in 2007 and 2008. Primary endpoints: low APGAR score (APGAR<7) and severe APGAR (APGAR<4). Results: 2165 records of C-sections and intrathecal fentanyl with a mean dose of 19.21mcg (SD=0.206mcg). Prevalence of low APGAR at 1.5 and 10 minutes was 1.77% (SD=0.63%), 0.11% (SD 0.163%), and 0%, respectively. The latter two values were different from the 1-minute value (ANOVA Scheffé Test, p=0.031) and there was no difference between them (minutes 5 and 10) (ANOVA p=0.861). Severely diminished APGAR results were, 0.059% (SD 0.058) 1 minute after birth and 0% at 5 and 10 minutes. There were no statistically significant differences between the three severely diminished values (ANOVA p=0.861). Conclusions: The prevalence of respiratory depression measured with the APGAR test at birth is low; severely compromised APGAR shows a trend towards 0 in the different minutes of assessment. However, the reliability of the diagnostic tool (APGAR) is questionable, considering discrepancies when the analysis is done with a far more sensitive diagnostic tool (Silverman test). The importance of this study relates only to the assessment of prevalence and its use as a source of a research hypothesis, and not as an association or prediction study.

Palabras clave : Anesthesia; Conduction; Cesarean section; Prevalence; Respiratory insufficiency.

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