Clinical outcomes of a remimazolam-based sedation regimen in patients receiving ECMO: a retrospective comparative study - Report - MDSpire

Clinical outcomes of a remimazolam-based sedation regimen in patients receiving ECMO: a retrospective comparative study

  • By

  • Dalong Zhang

  • Ying Liu

  • Tongrui Zhang

  • Yuanjie Shang

  • Huijun Dong

  • Xingguo Niu

  • June 8, 2026

  • 0 min

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Outcomes of Sedation Using Remimazolam Compared to Midazolam in ECMO Patients

Overview

This study compares remimazolam and midazolam sedation regimens in ECMO patients, highlighting a significant reduction in delirium incidence and faster recovery times with remimazolam.

Background

Extracorporeal membrane oxygenation (ECMO) is a critical intervention for patients with severe cardiopulmonary failure, necessitating effective sedation strategies. Delirium is a common complication in ICU settings, particularly among ECMO patients, impacting recovery and outcomes. Understanding the sedative effects of different agents is crucial for optimizing patient care in this vulnerable population.

Data Highlights

OutcomeGroup R (Remimazolam)Group M (Midazolam)
Delirium Incidence0/22 (0%)6/22 (27.3%)
Recovery Time (hours)24.90 ± 3.3629.84 ± 4.53
Muscle Strength (MRC grade)10
Hypotension IncidenceLowerHigher
Bradycardia IncidenceLowerHigher

Key Findings

  • Delirium occurred in 0% of patients in the remimazolam group compared to 27.3% in the midazolam group (p = 0.021).
  • Remimazolam was associated with a shorter recovery time after decannulation (24.90 hours vs. 29.84 hours, p < 0.001).
  • Patients in the remimazolam group had better-preserved muscle strength (median MRC grade 1 vs. 0, p < 0.001).
  • Lower incidences of hypotension and bradycardia were observed in the remimazolam group (both p < 0.05).
  • Firth's penalized likelihood regression indicated an odds ratio of 0.06 for delirium in the remimazolam group (p = 0.009).

Clinical Implications

Clinicians should consider the findings when selecting sedation regimens for critically ill patients requiring ECMO.

Conclusion

This study indicates differences in sedation outcomes between remimazolam and midazolam in ECMO patients.

Related Resources & Content

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  2. Frontiers in Neurology, 2026 -- Effects of Different Sedation Regimens on Delirium in ICU Patients
  3. Frontiers in Medicine, 2026 -- Remimazolam Is Associated with Superior Cerebral and Pulmonary Protection over Propofol in Elderly Thoracic Surgery: A Real-World Study Validated by Propensity Score Matching
  4. Intensive Care Medicine, 2010 -- Assessment of the Safety and Efficacy of Interrupting Sedation and Analgesia After Cannulation in Neonates Undergoing Extracorporeal Membrane Oxygenation
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  6. Neurological monitoring and management for adult extracorporeal membrane oxygenation patients: Extracorporeal Life Support Organization consensus guidelines | Critical Care, 2024
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  15. Remimazolam versus propofol for sedation in gastrointestinal endoscopic procedures: a systematic review and meta-analysis - ScienceDirect
  16. Remimazolam compared with propofol, dexmedetomidine, and midazolam for adult sedation in flexible bronchoscopy: a systematic review and meta-analysis - ScienceDirect
  17. Frontiers | Clinical outcomes of a remimazolam-based sedation regimen in patients receiving ECMO: a retrospective comparative study
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