Neuromuscular Blockade Clinical Trial
Official title:
Effect of Pre-treatment With Magnesium Sulfate on the Duration of Deep Neuromuscular Blockade With Rocuronium: Random and Double-blind Clinical Study
It is a prospective, comparative, randomized, double-blind clinical trial whose hypothesis
is that pre-treatment with magnesium sulfate, due to its action at the neuromuscular
junction,potentiate the duration of deep neuromuscular block following rocuronium
curarization in patients undergoing general anesthesia. Magnesium sulphate has gained
prominence as an adjuvant drug in anesthesia. Its use is associated with potentiation of
neuromuscular blockade among other functions.
The deep neuromuscular block is defined as the one obtained by the absence of response to
the sequence of four Stimuli and the presence of one or more simple stimuli in post-tetanic
counts . There is no literature description of the role of magnesium sulphate in Duration of
the deep neuromuscular block obtained after the muscle relaxation of patients with
rocuronium This study is justified because extending the clinical duration of neuromuscular
blockers may translate into gains for surgeries that require deep and long-lasting muscle
relaxation as in laparoscopic and robotic surgeries. This block allows lower inflation
pressures of the pneumoperitoneum to be obtained, as a result, there is a lower inflammatory
and cardiorespiratory repercussion for the patient
Status | Recruiting |
Enrollment | 60 |
Est. completion date | December 2017 |
Est. primary completion date | November 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 18 Years to 65 Years |
Eligibility |
Inclusion Criteria: - Physical State American Society of Anesthesiologists (ASA) I, II and III; Body mass index between 18.5 and 24.9;Otorhinolaryngological surgeries Exclusion Criteria: Refusal to participate in the study; - Pregnancy or suspected pregnancy; Neuromuscular diseases, renal or hepatic impairment; - Hepatic dysfunction; - History or predictors of difficult airway; Hypermagnesemia (Mg> 2.5 mEq / L); - Hypomagnesemia (Mg <1.7 mEq / L); - Use of furosemide, aminoglycosides, aminophylline, azathioprine; Cyclophosphamide, anti-inflammatories and magnesium; - Allergy to the drugs used in the study; - Participants from other clinical studies. - Emergency surgeries. |
Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Brazil | Bonsucesso Federal Hospital | Rio de Janeiro |
Lead Sponsor | Collaborator |
---|---|
Hospital Federal de Bonsucesso |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | duration of deep neuromuscular block | To determine the duration of deep neuromuscular block following a single dose of rocuronium | perioperative | Yes |
Secondary | onset time and recovery time of rocuronium | to determine the pharmacodynamic parameters of rocuronium | perioperative- until 48h | Yes |
Secondary | residual neuromuscular block in PACU | Evaluate the eventual occurrence of residual neuromuscular block in PACU | 6h | Yes |
Secondary | evolution of the height of T1 | Record the evolution of the height of T1 | perioperative- until 48h | Yes |
Secondary | postoperative pain | Evaluate postoperative pain with questionnaire and visual scale of pain | perioperative- until 48h | Yes |
Secondary | episodes of nausea and vomiting and treatment of surgery to discharge | Assess the frequency of individual episodes of nausea and vomiting and treatment during the period from the end of surgery to discharge | perioperative- until 48h | Yes |
Secondary | frequency of pain or unpleasant sensation | Evaluate frequency of pain or unpleasant sensation during the infusion of the studied solutions | perioperative- until 48h | Yes |
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