• J B Haenel, F A Moore, E E Moore, A Sauaia, R A Read, and J M Burch.
• Denver General Hospital, Colorado 80204-4507, USA.
• J Trauma. 1995 Jan 1;38(1):22-7.

ObjectiveThe pain associated with multiple rib fractures can be surprisingly variable. The objective of this study was to determine the efficacy of an indwelling, percutaneously placed intercostal catheter in relieving the pain associated with multiple rib fractures.DesignProspective nonrandomized study setting: Surgical intensive care unit in a level 1 trauma center.SubjectsFifteen blunt chest trauma patients with a minimum of three rib fractures who had failed an intravenous patient controlled analgesia protocol.InterventionsInsertion of an epidural catheter within the intercostal space. Bupivacaine 0.25% with epinephrine was injected in a volume of 20 mL. Subsequent doses were limited to a total of 400 mg per 24 hours.Measurements And Main ResultsSeverity of injury was estimated by using the Injury Severity Score. For each patient a preinjection visual analogue scale (VAS) and incentive spirometry (IS) lung volume were determined. Fifteen minutes following injection of 0.25% bupivacaine with epinephrine the VAS and IS were repeated. The Injury Severity Score ranged from 9 to 32 (mean 19.0 +/- 1.6). Overall, mean VAS pain scores improved significantly following the initial bolus of bupivacaine (before VAS = 7.5 +/- 0.6, after VAS = 3.5 +/- 0.5, p < 0.05) and this was associated with significant increase in IS lung volumes (before IS = 0.77 +/- 0.09, after IS = 1.3 +/- 0.13, p < 0.05). No patient experienced either insertion-related or drug administration complications.ConclusionsThese results confirm that an indwelling intercostal catheter provides a continuous nerve block resulting in a simple, safe procedure that can ameliorate the pain and splinting associated with multiple rib fractures. Although we experienced no complications, additional investigation is clearly needed.

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