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Métodos de infusión continua para bloqueo interescalénico del plexo braquial para el control del dolor posoperatorio después de la reparación artroscópica del manguito rotador

Infusion Methods for Continuous Interscalene Brachial Plexus Block for Postoperative Pain Control after Arthroscopic Rotator Cuff Repair

Fuente
Este artículo es originalmente publicado en:

http://icjr.net/periopnews_219_interscalene_block

http://www.ncbi.nlm.nih.gov/pubmed/26175882

http://www.epain.org/journal/viewJournal.html?year=2015&vol=28&page=210

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4500786/
De:

Source

Byeon GJ, Shin SW, Yoon JU, Kim EJ, Baek SH, Ri HS. Infusion methods for continuous interscalene brachial plexus block for postoperative pain control after arthroscopic rotator cuff repair. Korean J Pain. 2015 Jul;28(3):210-6. doi: 10.3344/kjp.2015.28.3.210. Epub 2015 Jul 1.
Todos los derechos reservados para:

Copyright © The Korean Pain Society, 2015

 

Abstract

BACKGROUND:

Infusion methods during regional analgesia using perineural catheters may influence the quality of postoperative analgesia. This study was conducted to compare the effects of combined or bolus-only infusion of 0.2% ropivacaine on the postoperative analgesia in interscalene brachial plexus block (ISBPB) with perineural catheterization.

METHODS:

Patients scheduled for arthroscopic rotator cuff repair were divided into two groups, one that would receive a combined infusion (group C, n = 32), and one that would receive intermittent infusion (group I, n = 32). A perineural catheter was inserted into the interscalene brachial plexus (ISBP) using ultrasound (US) and nerve stimulation, and 10 ml of 0.2% ropivacaine was administered. After the operation, group C received a continuous infusion of 4 ml/h, and a 4 ml bolus with a lockout interval of 60 min. Group I received only a 4 ml bolus, and the lockout interval was 30 min. Postoperative pain by the numeric rating scale (NRS) and the forearm muscle tone by the manual muscle test (MMT) were checked and evaluated at the following timepoints: preoperative, and postoperative 1, 4, 12, 24, 36, and 48 h. Supplemental opioid requirements, total consumed dose of local anesthetic, and adverse effects were compared between the two groups.

RESULTS:

Sixty-four patients completed the study and the postoperative values such as operation time, time to discharge, and operation site were comparable. There were no differences in NRS scores and supplemental opioid requirements between the two groups. The MMT scores of group I at 4 and 12 h after surgery were significantly higher than those of group C (P < 0.05). The total consumed dose of local anesthetic was significantly lower in group I than in group C (P < 0.05). The adverse effects were not different between the groups.

CONCLUSIONS:

The bolus-only administration of 0.2% ropivacaine provided a similar analgesic effect with a lower total volume of local anesthetic and decreased motor weakness compared to combined infusion. Therefore, bolus-only administration is an effective postoperative analgesic method in ISBPB with perineural catheterization after rotator cuff repair.

KEYWORDS:

Arthroscopy; Brachial plexus block; Patient-controlled analgesia; Ropivacaine; Rotator cuff

PMID: 26175882 [PubMed] PMCID: PMC4500786

 Free PMC Article

 

 

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