The Effect of Deep Neuromuscular Blockade on Respiratory Mechanics

Status Completed

Clinical Trial Summary

This study is a randomized, controlled, double-blinded, and parallel design study. A total 58 patients were randomized to receive a deep block or a moderate block scheduled for elective robot assisted laparoscopic radical prostatectomy. Intraoperative peak inspiratory pressure and plateau pressure are assessed.

Clinical Trial Description

Patients >18 years of age with an america society of anesthesiologist classification of I or II who are scheduled to undergo elective robot assisted laparoscopic radical prostatectomy are included. The exclusion criteria are a history of neuromuscular, renal, or hepatic disease, known allergy to rocuronium or sugammadex. Patients are randomized to either the moderate or deep neuromuscular blockade group using Random Allocation Software (version 1.0). In the operating room, routine monitoring is performed, including electrocardiography, non-invasive arterial pressure measurements, and pulse oximetry. Additionally, acceleromyography are applied to monitor the response of the adductor pollicis muscle. After the induction of anesthesia with propofol and before rocuronium administration, the TOF-Watch-SX is calibrated and stabilised, and a series of train-of-four (TOF) measurements are documented every 1 min. Next, intravenous rocuronium at 0.6 mg/kg was administered, and tracheal intubation was performed after confirmation of relaxation. Anesthesia is maintained with desflurane and target-controlled infusion of remifentanil while monitoring the bispectral index. Intravenous rocuronium (5-10 mg) is used to maintain moderate (TOF count of 1 or 2) or deep (post-tetanic count [PTC] of 1 or 2) neuromuscular blockade. Peak inspiratory pressure and plateau pressure are recorded until 1 hour after pneumoperitoneum. At the end of the operation, the surgeon rated the surgical condition on a 5-point scale. Patients are reversed with intravenous sugammadex at 2 or 4 mg/kg. Postoperative pulmonary complications (SpO2 <100%, RR<8, atelectasis) are assessed and recorded. ;

Study Design

Related Conditions & MeSH terms

Neuromuscular Blockade

Clinical Trial Details

NCT number	NCT04174222
Study type	Interventional
Source	Seoul National University Hospital
Contact
Status	Completed
Phase	N/A
Start date	November 22, 2019
Completion date	June 30, 2021

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.