Suprascapular nerve block for postoperative pain relief in arthroscopic shoulder surgery: a new modality?

Anesthesia and Analgesia
E D RitchieS D Vairavanathan

Abstract

Arthroscopic shoulder surgery has a 45% incidence of severe postoperative pain. Opiates and interscalene nerve blocks have a high incidence of side effects, and intraarticular local anesthetic has been shown to be ineffective when used for postoperative pain relief. The suprascapular nerve supplies 70% of the sensory nerve supply to the shoulder joint, and local anesthetic block of this nerve is effective in certain shoulder pain disorders. To determine the efficacy of a suprascapular nerve block, subcutaneous saline was compared with a suprascapular nerve block using 10mL of 0.5% bupivacaine with 1:200,000 epinephrine before general anesthesia was induced. In the immediate postoperative period, a 51% reduction in demand and a 31% reduction in consumption of morphine delivered by a patient-controlled analgesic system was demonstrated. There was more than fivefold reduction in the incidence of nausea, as well as reduced visual analog and verbal pain scores for patients who received a suprascapular nerve block. The duration of hospital stay was reduced by 24% in the suprascapular nerve block group. A 24-h phone call interview revealed a 40% reduction in analgesic consumption and a reduction in verbal pain scores at rest and on ab...Continue Reading

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Citations

Jun 3, 1999·The Surgical Clinics of North America·D Tong, F Chung
May 10, 2000·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·F H SavoieR A Phelps
Aug 10, 2000·Anesthesiology Clinics of North America·J C Gerancher
Mar 14, 2009·Regional Anesthesia and Pain Medicine·Joseph M NealQuinn H Hogan
Apr 16, 2003·Annals of the Rheumatic Diseases·E M ShanahanO FitzGerald
Mar 10, 2009·Journal of Shoulder and Elbow Surgery·Dai MatsumotoAkio Minami
Oct 3, 2006·Current Opinion in Anaesthesiology·J M van Vlymen, P F White
Oct 3, 2006·Current Opinion in Anaesthesiology·P J Wagner, N E Sharrock
Dec 22, 2015·BioMed Research International·Hsiu-Pin ChenHuang-Ping Yu
Feb 20, 2009·Orthopedics·Michell Ruiz-Suarez, F Alan Barber

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