Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Anestesiologia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-70942019000300253 |
Resumo: | Abstract Background and objectives: The current study aimed to determine the minimum effective volume (MEV) of bupivacaine 0.5% in 50% of patients for an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block. Methods: A total of 25 adult patients who were scheduled for upper limb surgery received an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block with bupivacaine 0.5%. The needle insertion point was posterior to the clavicle and the needle was advanced from cephalad to caudal. Block success was defined as a composite score of 14 at 30 min after local anesthetic (LA) injection. The minimum effective volume in 50% of patients was determined using the Dixon-Massey up-and-down staircase method. Minimum effective volume for a successful block in 95% of the patients was also calculated using logistic regression and probit transformation. Results: The minimum effective volume of bupivacaine 0.5% resulting in successful block in 50% of patients (MEV50) according to the up-and-down staircase method was found to be 9.6 mL (95% confidence interval (CI), 5.7-13.4). The calculated minimum effective volume required for a successful block in 95% of patients (MEV95) using the probit transformation and logistic regression analysis was 23.2 mL (95% CI, 18.8-36.7). Conclusions: The MEV50 of bupivacaine 0.5% for US-guided retroclavicular approach to infraclavicular brachial plexus block was 9.6 mL and the calculated MEV95 was 23.2 mL. Future studies are required for infraclavicular brachial plexus block with different approaches, other LA agents and different concentrations of bupivacaine. |
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Revista Brasileira de Anestesiologia (Online) |
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Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus blockRetroclavicular blockUltrasound guidedInfraclavicular brachial plexus blockMinimum effective volumeAbstract Background and objectives: The current study aimed to determine the minimum effective volume (MEV) of bupivacaine 0.5% in 50% of patients for an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block. Methods: A total of 25 adult patients who were scheduled for upper limb surgery received an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block with bupivacaine 0.5%. The needle insertion point was posterior to the clavicle and the needle was advanced from cephalad to caudal. Block success was defined as a composite score of 14 at 30 min after local anesthetic (LA) injection. The minimum effective volume in 50% of patients was determined using the Dixon-Massey up-and-down staircase method. Minimum effective volume for a successful block in 95% of the patients was also calculated using logistic regression and probit transformation. Results: The minimum effective volume of bupivacaine 0.5% resulting in successful block in 50% of patients (MEV50) according to the up-and-down staircase method was found to be 9.6 mL (95% confidence interval (CI), 5.7-13.4). The calculated minimum effective volume required for a successful block in 95% of patients (MEV95) using the probit transformation and logistic regression analysis was 23.2 mL (95% CI, 18.8-36.7). Conclusions: The MEV50 of bupivacaine 0.5% for US-guided retroclavicular approach to infraclavicular brachial plexus block was 9.6 mL and the calculated MEV95 was 23.2 mL. Future studies are required for infraclavicular brachial plexus block with different approaches, other LA agents and different concentrations of bupivacaine.Sociedade Brasileira de Anestesiologia2019-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-70942019000300253Revista Brasileira de Anestesiologia v.69 n.3 2019reponame:Revista Brasileira de Anestesiologia (Online)instname:Sociedade Brasileira de Anestesiologia (SBA)instacron:SBA10.1016/j.bjane.2018.12.011info:eu-repo/semantics/openAccessKavakli,Ali SaitKavrut Ozturk,NilgunArslan,Ulkueng2019-08-06T00:00:00Zoai:scielo:S0034-70942019000300253Revistahttps://www.sbahq.org/revista/https://old.scielo.br/oai/scielo-oai.php||sba2000@openlink.com.br1806-907X0034-7094opendoar:2019-08-06T00:00Revista Brasileira de Anestesiologia (Online) - Sociedade Brasileira de Anestesiologia (SBA)false |
dc.title.none.fl_str_mv |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
title |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
spellingShingle |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block Kavakli,Ali Sait Retroclavicular block Ultrasound guided Infraclavicular brachial plexus block Minimum effective volume |
title_short |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
title_full |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
title_fullStr |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
title_full_unstemmed |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
title_sort |
Minimum effective volume of bupivacaine 0.5% for ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block |
author |
Kavakli,Ali Sait |
author_facet |
Kavakli,Ali Sait Kavrut Ozturk,Nilgun Arslan,Ulku |
author_role |
author |
author2 |
Kavrut Ozturk,Nilgun Arslan,Ulku |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Kavakli,Ali Sait Kavrut Ozturk,Nilgun Arslan,Ulku |
dc.subject.por.fl_str_mv |
Retroclavicular block Ultrasound guided Infraclavicular brachial plexus block Minimum effective volume |
topic |
Retroclavicular block Ultrasound guided Infraclavicular brachial plexus block Minimum effective volume |
description |
Abstract Background and objectives: The current study aimed to determine the minimum effective volume (MEV) of bupivacaine 0.5% in 50% of patients for an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block. Methods: A total of 25 adult patients who were scheduled for upper limb surgery received an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block with bupivacaine 0.5%. The needle insertion point was posterior to the clavicle and the needle was advanced from cephalad to caudal. Block success was defined as a composite score of 14 at 30 min after local anesthetic (LA) injection. The minimum effective volume in 50% of patients was determined using the Dixon-Massey up-and-down staircase method. Minimum effective volume for a successful block in 95% of the patients was also calculated using logistic regression and probit transformation. Results: The minimum effective volume of bupivacaine 0.5% resulting in successful block in 50% of patients (MEV50) according to the up-and-down staircase method was found to be 9.6 mL (95% confidence interval (CI), 5.7-13.4). The calculated minimum effective volume required for a successful block in 95% of patients (MEV95) using the probit transformation and logistic regression analysis was 23.2 mL (95% CI, 18.8-36.7). Conclusions: The MEV50 of bupivacaine 0.5% for US-guided retroclavicular approach to infraclavicular brachial plexus block was 9.6 mL and the calculated MEV95 was 23.2 mL. Future studies are required for infraclavicular brachial plexus block with different approaches, other LA agents and different concentrations of bupivacaine. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-06-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-70942019000300253 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-70942019000300253 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1016/j.bjane.2018.12.011 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Anestesiologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Anestesiologia |
dc.source.none.fl_str_mv |
Revista Brasileira de Anestesiologia v.69 n.3 2019 reponame:Revista Brasileira de Anestesiologia (Online) instname:Sociedade Brasileira de Anestesiologia (SBA) instacron:SBA |
instname_str |
Sociedade Brasileira de Anestesiologia (SBA) |
instacron_str |
SBA |
institution |
SBA |
reponame_str |
Revista Brasileira de Anestesiologia (Online) |
collection |
Revista Brasileira de Anestesiologia (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Anestesiologia (Online) - Sociedade Brasileira de Anestesiologia (SBA) |
repository.mail.fl_str_mv |
||sba2000@openlink.com.br |
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1752126630440992768 |