Abstract
IntroductionInterscalene regional anesthesia is effective for pain management but is not without complications. To determine whether postoperative neurologic findings were related to the surgery versus the regional catheter, we developed the dry catheter technique where patients could be examined after the surgery prior to dosing the catheter. The purpose of the study was to assess the utility of the dry catheter block in recognizing neurological deficits associated with regional anesthesia.MethodsAn interscalene catheter was placed but not started. After the surgery, a neurovascular examination was performed. If the examination was normal, the regional anesthesia was started. Throughout the patient’s hospitalization, pain levels were collected.ResultsA total of 125 shoulders were studied. There were 9 postoperative nerve-related complications. The patients experienced the most pain relief in the first 12 hours.ConclusionThe dry catheter technique allows differentiation between complications associated with regional anesthesia versus those associated with the surgery. Although interscalene anesthesia provided effective pain control, we stopped using it because we felt its complication rate was too high.
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