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Diaphragmatic Paralysis Comparison Between Local Anesthetic Volumen Doses After Interscalene Block — REDOLEV-2019  

Brachial Plexus Block Clinical Trial

Official title:
Diaphragmatic Paralysis After Interscalene Brachial Plexus Block: A Randomized, Double-blinded, Unicenter and Controlled Clinical Trial to Reduce the Dose of Levobupivacaine 0,25% 20 ml to 10 ml Undergoing Arthroscopic Shoulder Surgery

Clinical Trial Summary

Arthroscopic shoulder surgery involves dynamic and severe postoperative pain. Interscalene brachial plexus block (IBPB) provides adequate analgesia but the spread of local anaesthetics administered causes a phrenic nerve block which entrains a non-negligible incidence of Hemidiaphragmatic paralysis acute (HDPA). This is a comparative, prospective, Unicenter, double-blind, two-arm, randomized and controlled clinical trial. 48 patients will be included. This RCT would demonstrate a low volume dose IBPB decrease the HDPA after IBPB in patients undergoing SAS, by using spirometry and ultrasound and it will not provide inferior postoperative analgesia according to opioid requirements of postoperative PCA in comparison to standard volume dose used in current practice.

Clinical Trial Description

Arthroscopic shoulder surgery involves dynamic and severe postoperative pain. Interscalene brachial plexus block (IBPB) provides adequate analgesia but the spread of local anaesthetics administered causes a phrenic nerve block which entrains a non-negligible incidence of Hemidiaphragmatic paralysis acute (HDPA). The primary study objective is to determine the HDPA diagnosed by using diaphragmatic thickness index in Ultrasound (US) after Low Volume (10 mL) versus Standard Volume (20 mL) of Levobupivacaine 0,25% for IBPB. Secondary end-points are 1) HDPA diagnosed by using FVC and FEV1 in spirometry, 2) HDPA diagnosed by using diaphragmatic excursion in US, 3) postoperative pain regarding time to first analgesic consumption and 24-hour cumulative total consumption of Patient-controlled analgesia (PCA) pump of Morphine IV and (4) postoperative harms between two trial-arms. This study is a comparative, prospective, Unicenter, double-blind and two-arm RCT. 48 patients will be included. This RCT would demonstrate a low volume dose IBPB decrease the HDPA after IBPB in patients undergoing SAS, by using spirometry and ultrasound and it will not provide inferior postoperative analgesia according to opioid requirements of postoperative PCA in comparison to standard volume dose used in current practice. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04385966
Study type Interventional
Source Instituto de Investigación Sanitaria Aragón
Contact
Status Completed
Phase Phase 3
Start date February 11, 2020
Completion date October 20, 2021
View Details
See also
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