Average durations of idiopathic causes, current CNS tumors, arteriovenous malformations and amyloid ... post–surgical and brachial plexus injuries, the average duration is calculated as the ...

Either axillary, interscalene, or infraclavicular blocks or a combination ... and the prevalence of diabetes mellitus was 50%. Complete brachial plexus block was achieved in 34 patients (83%).