The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study

Abstract Background The spread of spinal anesthesia was influenced by many factors, and the effect of body height on spinal anesthesia is still arguable. This study aimed to explore the impact of height on the spread of spinal anesthesia and the stress response in parturients. Methods A total of nin...

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Autores principales:	Ying-Jun She, Wen-Xing Liu, Ling-Yu Wang, Xin-Xu Ou, Hui-Hong Liang, Dong-Xu Lei
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Body height Spinal Amniotic fluid index Cesarean section Anesthesiology RD78.3-87.3
Acceso en línea:	https://doaj.org/article/9f6a4ce72e484b008f02b0febd45f085
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spelling	oai:doaj.org-article:9f6a4ce72e484b008f02b0febd45f0852021-12-05T12:07:56ZThe impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study10.1186/s12871-021-01523-21471-2253https://doaj.org/article/9f6a4ce72e484b008f02b0febd45f0852021-11-01T00:00:00Zhttps://doi.org/10.1186/s12871-021-01523-2https://doaj.org/toc/1471-2253Abstract Background The spread of spinal anesthesia was influenced by many factors, and the effect of body height on spinal anesthesia is still arguable. This study aimed to explore the impact of height on the spread of spinal anesthesia and the stress response in parturients. Methods A total of ninety-seven parturients were allocated into two groups according to their height: the shorter group (body height was shorter than 158 cm) and taller group (body height was taller than 165 cm). Spinal anesthesia was performed with the same amount of 12 mg plain ropivacaine in mothers of different heights. The primary outcome of the study was the success or failure of the spinal anesthesia. The secondary outcomes of the study were stress response, time to T6 sensory level, the incidence of hypotension, the satisfaction of abdominal muscle relaxation and patient VAS scores. Results The rate of successful spinal anesthesia in the shorter group was significantly higher than that in the taller group (p = 0.02). The increase of maternal cortisol level in the shorter group was lower than that in the taller group at skin closure (p = 0.001). The incidence of hypotension (p = 0.013), time to T6 sensory block (p = 0.005), the quality of abdominal muscle relaxation (p < 0.001), and VAS values in stretching abdominal muscles and uterine exteriorization (p < 0.001) in the shorter group were significantly different from those in the taller group. Multivariate analysis showed that vertebral column length (p < 0.001), abdominal girth (p = 0.022), amniotic fluid index (p = 0.022) were significantly associated with successful spinal anesthesia. Conclusions It’s difficult to use a single factor to predict the spread of spinal anesthesia. Patient’s vertebral column length, amniotic fluid index and abdominal girth were the high determinant factors for predicting the spread of spinal anesthesia. Trials registration ChiCTR-ROC-17012030 ( Chictr.org.cn ), registered on 18/07/2017.Ying-Jun SheWen-Xing LiuLing-Yu WangXin-Xu OuHui-Hong LiangDong-Xu LeiBMCarticleBody heightSpinalAmniotic fluid indexCesarean sectionAnesthesiologyRD78.3-87.3ENBMC Anesthesiology, Vol 21, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Body height Spinal Amniotic fluid index Cesarean section Anesthesiology RD78.3-87.3
spellingShingle	Body height Spinal Amniotic fluid index Cesarean section Anesthesiology RD78.3-87.3 Ying-Jun She Wen-Xing Liu Ling-Yu Wang Xin-Xu Ou Hui-Hong Liang Dong-Xu Lei The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
description	Abstract Background The spread of spinal anesthesia was influenced by many factors, and the effect of body height on spinal anesthesia is still arguable. This study aimed to explore the impact of height on the spread of spinal anesthesia and the stress response in parturients. Methods A total of ninety-seven parturients were allocated into two groups according to their height: the shorter group (body height was shorter than 158 cm) and taller group (body height was taller than 165 cm). Spinal anesthesia was performed with the same amount of 12 mg plain ropivacaine in mothers of different heights. The primary outcome of the study was the success or failure of the spinal anesthesia. The secondary outcomes of the study were stress response, time to T6 sensory level, the incidence of hypotension, the satisfaction of abdominal muscle relaxation and patient VAS scores. Results The rate of successful spinal anesthesia in the shorter group was significantly higher than that in the taller group (p = 0.02). The increase of maternal cortisol level in the shorter group was lower than that in the taller group at skin closure (p = 0.001). The incidence of hypotension (p = 0.013), time to T6 sensory block (p = 0.005), the quality of abdominal muscle relaxation (p < 0.001), and VAS values in stretching abdominal muscles and uterine exteriorization (p < 0.001) in the shorter group were significantly different from those in the taller group. Multivariate analysis showed that vertebral column length (p < 0.001), abdominal girth (p = 0.022), amniotic fluid index (p = 0.022) were significantly associated with successful spinal anesthesia. Conclusions It’s difficult to use a single factor to predict the spread of spinal anesthesia. Patient’s vertebral column length, amniotic fluid index and abdominal girth were the high determinant factors for predicting the spread of spinal anesthesia. Trials registration ChiCTR-ROC-17012030 ( Chictr.org.cn ), registered on 18/07/2017.
format	article
author	Ying-Jun She Wen-Xing Liu Ling-Yu Wang Xin-Xu Ou Hui-Hong Liang Dong-Xu Lei
author_facet	Ying-Jun She Wen-Xing Liu Ling-Yu Wang Xin-Xu Ou Hui-Hong Liang Dong-Xu Lei
author_sort	Ying-Jun She
title	The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
title_short	The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
title_full	The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
title_fullStr	The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
title_full_unstemmed	The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
title_sort	impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study
publisher	BMC
publishDate	2021
url	https://doaj.org/article/9f6a4ce72e484b008f02b0febd45f085
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The impact of height on the spread of spinal anesthesia and stress response in parturients undergoing caesarean section: a prospective observational study

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