Patients undergoing Milligan-Morgan hemorrhoidectomy will be randomized to receive or not the pudendal nerve block after the spinal anesthesia.
Patients included were those undergoing Milligan-Morgan hemorrhoidectomy under spinal anaesthesia from January 2018 to December 2019. Exclusion criteria were age \< 18 years old, pregnancy and allergy to local anaesthetics. Patients meeting inclusion and exclusion criteria were randomized to undergo an ultrasound-guided pudendal nerve block. Per-protocol all patients received postoperative metronidazole 500 mg for 3 days, laxative, a basis analgesia with NSAID and opioids as needed. Postoperative pain on the visual analogue scale (VAS) at 6, 12, 24 and 48 hours, opioids needed, complications and length of hospital stay were recorded. Patients and ward personnel were not informed about the treatment arm. All Patients were further controlled 6 weeks after the intervention.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
49
Patients randomized in the treatment arm will receive a sonography-guided pudendal nerve block
Ospedale Regionale di Bellinzona e Valli
Bellinzona, Switzerland
Postoperative Pain on the Visual Analogue Scale (VAS)
Visual analogue scale (VAS) ranges from 0 to 10, where 0 is "no pain at all" and 10 is "the strongest pain"
Time frame: at 24 hours after the hemorrhoidectomy
Postoperative Pain on the Visual Analogue Scale (VAS)
Visual analogue scale (VAS) ranges from 0 to 10, where 0 is "no pain at all" and 10 is "the strongest pain"
Time frame: at 6, 12 and 48 hours after the operation
Opioids Consumption
Time frame: Within 48 hours
Lenght of Hospital Stay
Time frame: up to 2 weeks
Complications Related to the Pudendal Nerve Block
Time frame: Within 6 weeks
Direct and Indirect Cost Analysis in Out- and In-patients
Ongoing
Time frame: Within the hospital stay
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