Paediatric anaesthesia · 2018
Infraorbital foramen location in the pediatric population: A guide for infraorbital nerve block.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Zdilla Matthew J, Russell Michelle L, Koons Aaron W
Аннотация
BACKGROUND: Infraorbital nerve blocks are often performed for the management of postoperative pain associated with cleft lip correction. Infraorbital nerve block procedures depend on the identification of the infraorbital foramen; however, there is little information regarding the infraorbital foramen location in the pediatric population.
AIMS: The aim of this study was to identify the location of the infraorbital foramen in the pediatric population relative to a midpoint between the nasospinale and jugale.
METHODS: The study assessed the location of 152 infraorbital foramina relative to a midpoint between the nasospinale and J on dry crania. Crania were from individuals ranging in age-at-death from 6-month fetal to 18 years. The population was subdivided into fetal/infant (≥6 months fetal age-<2 years), child (≥2-<12 years), and adolescent (≥12-≤18 years) groups for comparison.
RESULTS: The average distance of the infraorbital foramen from the nasospinale-to-jugale midpoint was 1.55 ± 0.78 mm (Mean ± SD) in the fetal/infant group, 0.80 ± 0.91 mm in the child group, and 1.31 ± 1.68 mm in the adolescent group. Furthermore, infraorbital foramina tended to be located medial to the nasospinale-to-jugale midpoint in the fetal/infant population, directly upon or superomedial to the nasospinale-to-jugale midpoint in the child population, and directly upon or superior/superolateral to the nasospinale-to-jugale midpoint in the adolescent population.
CONCLUSIONS: The infraorbital foramen was located within 2 mm, on average, from the nasospinale-to-jugale midpoint regardless of age group. Therefore, the nasospinale-to-jugale midpoint may serve as useful means of identifying the location of the infraorbital foramen in the pediatric population and aid in optimizing infraorbital nerve block procedures. The information in this report is valuable in general, but may be particularly useful in developing countries where there is a lack of ultrasound training and availability for health care providers; or places where infraorbital nerve block may be the sole anesthetic modality for cleft lip surgery, even among adolescent patients.
AIMS: The aim of this study was to identify the location of the infraorbital foramen in the pediatric population relative to a midpoint between the nasospinale and jugale.
METHODS: The study assessed the location of 152 infraorbital foramina relative to a midpoint between the nasospinale and J on dry crania. Crania were from individuals ranging in age-at-death from 6-month fetal to 18 years. The population was subdivided into fetal/infant (≥6 months fetal age-<2 years), child (≥2-<12 years), and adolescent (≥12-≤18 years) groups for comparison.
RESULTS: The average distance of the infraorbital foramen from the nasospinale-to-jugale midpoint was 1.55 ± 0.78 mm (Mean ± SD) in the fetal/infant group, 0.80 ± 0.91 mm in the child group, and 1.31 ± 1.68 mm in the adolescent group. Furthermore, infraorbital foramina tended to be located medial to the nasospinale-to-jugale midpoint in the fetal/infant population, directly upon or superomedial to the nasospinale-to-jugale midpoint in the child population, and directly upon or superior/superolateral to the nasospinale-to-jugale midpoint in the adolescent population.
CONCLUSIONS: The infraorbital foramen was located within 2 mm, on average, from the nasospinale-to-jugale midpoint regardless of age group. Therefore, the nasospinale-to-jugale midpoint may serve as useful means of identifying the location of the infraorbital foramen in the pediatric population and aid in optimizing infraorbital nerve block procedures. The information in this report is valuable in general, but may be particularly useful in developing countries where there is a lack of ultrasound training and availability for health care providers; or places where infraorbital nerve block may be the sole anesthetic modality for cleft lip surgery, even among adolescent patients.