جستجوی مقالات مرتبط با کلیدواژه « بلوک اعصاب ناحیه ای » در نشریات گروه « پزشکی »

We designed a prospective, randomized, double-blind study to evaluate the effect of ultra-low dose of naloxone added to lidocaine and fentanyl mixture on the onset and duration of axillary brachial plexus block. Fifty four patients scheduled for elective hand and forearm surgery under axillary brachial plexus block were randomly allocated to receive either 34 mL lidocaine 1.5% with 2 mL 100 μg) of fentanyl and 1 mL of isotonic saline chloride (control group, n= 27) or 34 mL lidocaine 1.5% with 2 mL(100 μg) of fentanyl and 100 ng(1 mL) naloxone(naloxone group, n= 27). After performance of the block, sensory and motor blockade of radial, median, musculocutaneous, and ulnar nerves were recorded. The duration of surgery and the patient's characteristics were similar in the two groups. There was significant difference in the onset time of the sensory and motor block between groups. The duration of sensory and motor blockade were significantly longer in the naloxone than in the control group. The addition of ultra-low dose of naloxone to lidocaine 1.5% and fentanyl solution in axillary brachial plexus block prolongs the duration of sensory and motor blockade.