The anesthetic is a supplied item and the complaint notification was forwarded to the supplier.Batch record review performed by the supplier for bupivacaine-marcaine lot # is 501113a revealed no discrepancies that may have contributed to a complaint of this nature.All testing was performed and was within specification requirements.Retained file samples for the lot in question was tested for potency and found to be within specification.Possible causes of lack of effect may be administration technique or patient anatomical variations, including pathological or psychological factors.The complaint could not be confirmed.
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