Journal of perinatology : official journal of the California Perinatal Association · 2019
Nasal-tragus length for estimating optimal insertion depth of endotracheal tube in Thai neonates.
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Voraruth Chayuttra, Tongsawang Numtip, Ruangwattanapaisarn Nichanan, Limrungsikul Anchalee
Аннотация
OBJECTIVE: To develop a nasal-tragus length (NTL)-based table for estimating the endotracheal tube (ETT) insertion depth.
STUDY DESIGN: A prospective study of 110 Thai neonates was conducted in a NICU in Bangkok, Thailand. The correlation between the optimal insertion depth (Opt-Depth) and NTL was determined, and then an NTL-based table for estimating ETT depth was developed. The accuracy of using various methods in estimating ETT depth was compared.
RESULTS: A strong correlation between Opt-Depth and NTL was found (r = 0.897, p < 0.001). There was no significant difference between ETT depth estimated by the NTL-based table and Opt-Depth [mean difference (95% CI) -0.75 (-12.11 to 10.61) mm, p = 0.22]. The accuracies of using NTL + 1, NTL-based, GA-based, and BW-based tables for estimating ETT depth were 32.7%, 55.5%, 61.8%, and 52.7%, respectively.
CONCLUSION: Our NTL-based table for estimating the ETT depth had an acceptable accuracy while using "NTL + 1" resulted in overestimating ETT depth.
STUDY DESIGN: A prospective study of 110 Thai neonates was conducted in a NICU in Bangkok, Thailand. The correlation between the optimal insertion depth (Opt-Depth) and NTL was determined, and then an NTL-based table for estimating ETT depth was developed. The accuracy of using various methods in estimating ETT depth was compared.
RESULTS: A strong correlation between Opt-Depth and NTL was found (r = 0.897, p < 0.001). There was no significant difference between ETT depth estimated by the NTL-based table and Opt-Depth [mean difference (95% CI) -0.75 (-12.11 to 10.61) mm, p = 0.22]. The accuracies of using NTL + 1, NTL-based, GA-based, and BW-based tables for estimating ETT depth were 32.7%, 55.5%, 61.8%, and 52.7%, respectively.
CONCLUSION: Our NTL-based table for estimating the ETT depth had an acceptable accuracy while using "NTL + 1" resulted in overestimating ETT depth.