Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block

Abstract Supra inguinal fascia iliaca compartment block (FICB) is increasingly used in elderly patients with hip fractures. However, the minimum effective volume of local anesthetics required for ultrasound-guided supra-inguinal FICB has not been determined. With ethical committee approval and writt...

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Autores principales:	Kumiko Yamada, Shinichi Inomata, Shigeyuki Saito
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/27251fcb700a4a43a72b561fe4038e9f
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spelling	oai:doaj.org-article:27251fcb700a4a43a72b561fe4038e9f2021-12-02T12:42:18ZMinimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block10.1038/s41598-020-79059-72045-2322https://doaj.org/article/27251fcb700a4a43a72b561fe4038e9f2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79059-7https://doaj.org/toc/2045-2322Abstract Supra inguinal fascia iliaca compartment block (FICB) is increasingly used in elderly patients with hip fractures. However, the minimum effective volume of local anesthetics required for ultrasound-guided supra-inguinal FICB has not been determined. With ethical committee approval and written informed consent from patients, we studied 21 consecutive patients of ASA physical status I–III undergoing surgery for hip fracture who met the inclusion criteria. Blocks were performed before going to the operation room. We determined the injection volumes of 0.25% ropivacaine for consecutive patients from the preceding patient's outcome. The initial volume was 30 ml. The testing interval was set at 10 ml, and the lowest volume was 5 ml. An effective block was defined as loss of sensation of pinprick in the territory of the femoral nerve and lateral cutaneous nerve of the thigh 30 min after the injection. The aim of this study was to determine the 50% effective volume (EV50) and the 95% effective volume (EV95) of 0.25% ropivacaine for ultrasound-guided supra-inguinal FICB using Logistic regression analysis. EV50 and EV95 of 0.25% ropivacaine for ultrasound-guided supra-inguinal FICB calculated with logistic regression analysis were 15.01 ml (95% confidence interval, 6.53–22.99 ml) and 26.99 ml (95% confidence interval, 20.54–84.09 ml), respectively. EV50 and EV95 of 0.25% ropivacaine for ultrasound-guided supra-inguinal FICB were 15.01 ml and 26.99 ml, respectively. Clinical trial number: UMIN000027277 (URL https://www.umin.ac.jp/ctr/index-j.htm ).Kumiko YamadaShinichi InomataShigeyuki SaitoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-7 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kumiko Yamada Shinichi Inomata Shigeyuki Saito Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
description	Abstract Supra inguinal fascia iliaca compartment block (FICB) is increasingly used in elderly patients with hip fractures. However, the minimum effective volume of local anesthetics required for ultrasound-guided supra-inguinal FICB has not been determined. With ethical committee approval and written informed consent from patients, we studied 21 consecutive patients of ASA physical status I–III undergoing surgery for hip fracture who met the inclusion criteria. Blocks were performed before going to the operation room. We determined the injection volumes of 0.25% ropivacaine for consecutive patients from the preceding patient's outcome. The initial volume was 30 ml. The testing interval was set at 10 ml, and the lowest volume was 5 ml. An effective block was defined as loss of sensation of pinprick in the territory of the femoral nerve and lateral cutaneous nerve of the thigh 30 min after the injection. The aim of this study was to determine the 50% effective volume (EV50) and the 95% effective volume (EV95) of 0.25% ropivacaine for ultrasound-guided supra-inguinal FICB using Logistic regression analysis. EV50 and EV95 of 0.25% ropivacaine for ultrasound-guided supra-inguinal FICB calculated with logistic regression analysis were 15.01 ml (95% confidence interval, 6.53–22.99 ml) and 26.99 ml (95% confidence interval, 20.54–84.09 ml), respectively. EV50 and EV95 of 0.25% ropivacaine for ultrasound-guided supra-inguinal FICB were 15.01 ml and 26.99 ml, respectively. Clinical trial number: UMIN000027277 (URL https://www.umin.ac.jp/ctr/index-j.htm ).
format	article
author	Kumiko Yamada Shinichi Inomata Shigeyuki Saito
author_facet	Kumiko Yamada Shinichi Inomata Shigeyuki Saito
author_sort	Kumiko Yamada
title	Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
title_short	Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
title_full	Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
title_fullStr	Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
title_full_unstemmed	Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
title_sort	minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/27251fcb700a4a43a72b561fe4038e9f
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Minimum effective volume of ropivacaine for ultrasound-guided supra-inguinal fascia iliaca compartment block

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