Interscalene Dynamometer Pilot Study

Status Completed

Clinical Trial Summary

Total shoulder arthroplasty (shoulder replacement) can cause severe postoperative pain. Commonly, patients receive general anesthesia with interscalene block (injection of local anesthetic or numbing medicine near nerves in the shoulder) during surgery. As a result of the interscalene block, patients often experience sensory and motor blockade. The purpose of this study is to determine the effects of the interscalene block on the anterior deltoid muscle and hand grip strength after total shoulder arthroplasty.

Clinical Trial Description

Total shoulder arthroplasty can cause severe postoperative pain. Pain management includes general anesthesia with interscalene block during surgery and intravenous (IV) hydromorphone patient controlled analgesia (PCA) and oral opioid analgesics given after surgery. Side effects, such as motor blockade, may impair participation in physical therapy and diminish patient satisfaction. In order to prepare for a future study that will examine what mixtures of adjuncts/additives will best prevent recovery room pain and minimize motor blockade, the investigators are conducting this pilot study to collect preliminary data on current practice. The investigators believe the current regimen will provide adequate pain relief, but may cause extensive motor blockade and reduce patients' muscle strength after surgery. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Total Shoulder Arthroplasty

Clinical Trial Details

NCT number	NCT01550952
Study type	Observational
Source	Hospital for Special Surgery, New York
Contact
Status	Completed
Phase	N/A
Start date	December 2011
Completion date	February 2012

View Details

See also
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