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Urgent intubation without neuromuscular blocking agents and the risk of tracheostomy.

ABSTRACT: Neuromuscular blocking agents play a significant role in improving the success rate for urgent intubation, although there is limited evidence about the effect on subsequent outcomes, such as the incidence of tracheostomy. In this retrospective cohort study, we aimed to examine the association between avoidance of neuromuscular blocking agents for urgent tracheal intubation and incidence of tracheostomy among patients in the intensive care unit (ICU). The setting of this study was an eight-bed ICU at a tertiary-care hospital in Okayama, Japan. We included patients who underwent urgent tracheal intubation at the emergency department or the ICU and were admitted to the ICU between April 2013 and November 2017. We extracted data on methods and medications of intubation, predictors for difficult intubation, Cormack-Lehane grade, patient demographics, primary diagnoses, reintubation. We estimated odds ratios and their 95% confidence intervals for elective tracheostomy during the ICU stay using logistic regression models. Of 411 patients, 46 patients underwent intubation without neuromuscular blocking agents and 61 patients underwent tracheostomy. After adjusting for potential confounders, patients who avoided neuromuscular blocking agents had more than double the odds of tracheostomy (odds ratio 2.59, 95% confidence interval 1.06-6.34, p value?=?0.04). When stratifying the subjects by risk status for tracheostomy, the association was more pronounced in high-risk group, while we observed less significant association in the low-risk group. Avoidance of neuromuscular blocking agents for urgent intubation increases the risk of tracheostomy among emergency patients, especially those who have a higher risk for tracheostomy.

SUBMITTER: Fujinaga J

PROVIDER: S-EPMC7222110 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Urgent intubation without neuromuscular blocking agents and the risk of tracheostomy.

Fujinaga Jun J Suzuki Etsuji E Kuriyama Akira A Onodera Mutsuo M Doi Hiroyuki H

Internal and emergency medicine 20191026 1

Neuromuscular blocking agents play a significant role in improving the success rate for urgent intubation, although there is limited evidence about the effect on subsequent outcomes, such as the incidence of tracheostomy. In this retrospective cohort study, we aimed to examine the association between avoidance of neuromuscular blocking agents for urgent tracheal intubation and incidence of tracheostomy among patients in the intensive care unit (ICU). The setting of this study was an eight-bed IC ...[more]

PMID: 31655972

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Project description:ImportanceIt is uncertain whether a rapid-onset opioid is noninferior to a rapid-onset neuromuscular blocker during rapid sequence intubation when used in conjunction with a hypnotic agent.ObjectiveTo determine whether remifentanil is noninferior to rapid-onset neuromuscular blockers for rapid sequence intubation.Design, setting, and participantsMulticenter, randomized, open-label, noninferiority trial among 1150 adults at risk of aspiration (fasting for <6 hours, bowel occlusion, recent trauma, or severe gastroesophageal reflux) who underwent tracheal intubation in the operating room at 15 hospitals in France from October 2019 to April 2021. Follow-up was completed on May 15, 2021.InterventionsPatients were randomized to receive neuromuscular blockers (1 mg/kg of succinylcholine or rocuronium; n = 575) or remifentanil (3 to 4 μg/kg; n = 575) immediately after injection of a hypnotic.Main outcomes and measuresThe primary outcome was assessed in all randomized patients (as-randomized population) and in all eligible patients who received assigned treatment (per-protocol population). The primary outcome was successful tracheal intubation on the first attempt without major complications, defined as lung aspiration of digestive content, oxygen desaturation, major hemodynamic instability, sustained arrhythmia, cardiac arrest, and severe anaphylactic reaction. The prespecified noninferiority margin was 7.0%.ResultsAmong 1150 randomized patients (mean age, 50.7 [SD, 17.4] years; 573 [50%] women), 1130 (98.3%) completed the trial. In the as-randomized population, tracheal intubation on the first attempt without major complications occurred in 374 of 575 patients (66.1%) in the remifentanil group and 408 of 575 (71.6%) in the neuromuscular blocker group (between-group difference adjusted for randomization strata and center, -6.1%; 95% CI, -11.6% to -0.5%; P = .37 for noninferiority), demonstrating inferiority. In the per-protocol population, 374 of 565 patients (66.2%) in the remifentanil group and 403 of 565 (71.3%) in the neuromuscular blocker group had successful intubation without major complications (adjusted difference, -5.7%; 2-sided 95% CI, -11.3% to -0.1%; P = .32 for noninferiority). An adverse event of hemodynamic instability was recorded in 19 of 575 patients (3.3%) with remifentanil and 3 of 575 (0.5%) with neuromuscular blockers (adjusted difference, 2.8%; 95% CI, 1.2%-4.4%).Conclusions and relevanceAmong adults at risk of aspiration during rapid sequence intubation in the operating room, remifentanil, compared with neuromuscular blockers, did not meet the criterion for noninferiority with regard to successful intubation on first attempt without major complications. Although remifentanil was statistically inferior to neuromuscular blockers, the wide confidence interval around the effect estimate remains compatible with noninferiority and limits conclusions about the clinical relevance of the difference.Trial registrationClinicalTrials.gov Identifier: NCT03960801.

Project description:OBJECTIVES:Recent trials suggest that treatment with neuromuscular blocking agents may improve survival in patients requiring mechanical ventilation for acute respiratory distress syndrome. We examined the association between receipt of a neuromuscular blocking agent and in-hospital mortality among mechanically ventilated patients with severe sepsis. DESIGN:A pharmacoepidemiologic cohort study of patients with sepsis and a respiratory infection who had been admitted to intensive care and placed on mechanical ventilation within the first 2 days of hospitalization. We used propensity score matching and instrumental variable methods to compare the outcomes of patients treated with neuromuscular blocking agents within the first 2 hospital days to those who were not. Sensitivity analysis was used to model the effects of a hypothetical unmeasured confounder. SETTING:Three hundred thirty-nine U.S. hospitals that participated in the Premier Perspective database between 2004 and 2006. PATIENTS:Seven thousand eight hundred sixty-four patients met inclusion criteria, including 1,818 (23%) who were treated with a neuromuscular blocking agent by hospital day 2. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:Patients who received neuromuscular blocking agents were younger (mean age, 62 vs 68), more likely to be treated with vasopressors (69% vs 65%) and had a lower in-hospital mortality rate (31.9% vs 38.3%, p < 0.001). In 3,518 patients matched on the propensity for treatment, receipt of a neuromuscular blocking agent was associated with a reduced risk of in-hospital mortality (risk ratio, 0.88; 95% CI, 0.80, 0.96). An analysis using the hospital neuromuscular blocking agent-prescribing rate as an instrumental variable found receipt of a neuromuscular blocking agent associated with a 4.3% (95% CI, -11.5%, 1.5%) reduction in in-hospital mortality. CONCLUSIONS:Among mechanically ventilated patients with severe sepsis and respiratory infection, early treatment with a neuromuscular blocking agent is associated with lower in-hospital mortality.

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Urgent intubation without neuromuscular blocking agents and the risk of tracheostomy.

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Urgent intubation without neuromuscular blocking agents and the risk of tracheostomy.

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