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Comparative Study of Sugammadex Versus Neostigmine for Reversal of Neuromuscular Blockade in Morbidly Obese Patients

Morbid Obesity Clinical Trial

Official title:
Comparative Study of Sugammadex Versus Neostigmine for Reversal of Neuromuscular Blockade in Morbidly Obese Patients Undergoing Weight Loss Surgery.Use of Acceleromyography Monitoring in Adductor Pollicis and Corrugator Supercilii.

Clinical Trial Summary

Postoperative residual curarization in the post anaesthesia unit has been associated to complications involving respiratory function and impaired laryngeal and pharyngeal muscles' function. Speed of reversal of neuromuscular blockade after administration of sugammadex versus neostigmine has been studied, but up to date no data are available concerning continuous acceleromyography monitoring of adductor pollicis and corrugator supercilii in morbidly obese patients undergoing weight loss surgery. The investigators' aim in this prospective, double-blinded study was to compare train of four ( TOF ) values, the presence or absence of clinical criteria of postoperative residual curarization , the dose requirements and the side effects of sugammadex and neostigmine for the reversal of rocuronium induced neuromuscular blockade in patients undergoing laparoscopic or open surgery for morbid obesity.

Clinical Trial Description

Morbidly obese patients [ body mass index (BMI) > 40 kg/m2 ] planned to undergo open or laparoscopic surgery for weight loss will be managed with standardized general anesthesia (intravenous Propofol combined with remifentanil and muscle relaxation induced by rocuronium).

By the end of the surgery, Group A and group E patients will receive sugammadex 2 mg/kg corrected body weight [corrected body weight(CBW)=ideal body weight(IBW) + 40%(real body weight(RBW)-ideal body weight)] when T2 arises in adductor pollicis. Group C and group G will receive neostigmine 50μg/kg corrected body weight when T2 arises in adductor pollicis. Group B and group F patients will receive sugammadex 2 mg/kg ideal body weight when T2 arises in adductor pollicis. Group D and group H patients will receive 50μg/kg neostigmine ideal body weight.

Investigators will proceed in continuous acceleromyography monitoring of adductor pollicis and corrugator supercilii during induction of anaesthesia, surgery, recovery and in the post anaesthesia care unit, recording TOF values. Total consumption of neuromuscular blocking agent, doses of reversal agents and clinical criteria of post operation residual curarization will also be recorded. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01629394
Study type Interventional
Source University of Patras
Contact Prokopios Georgiou, MD
Phone 00306973440348
Email prgeorg@yahoo.gr
Status Recruiting
Phase Phase 2/Phase 3
Start date January 2012
Completion date November 2012
View Details
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