Abstract
Background
We discuss the anesthetic outcome in morbidly obese patients under the enhanced recovery after surgery (ERAS) protocol. Our evidence-based clinical pathways focused on prehabilitation and included interventions like aggressive preoperative optimization of medical comorbidities, familiarizing with perioperative protocols, thromboprophylaxis, opioid free multimodal analgesia, and early ambulation.
Methods
We did a retrospective analysis of prospectively collected data of 823 patients who underwent laparoscopic bariatric surgery. Our goal was to assess the effects of BMI on the recovery and anesthetic outcome parameters, under the categories of severely obese (SeO: BMI <39.9 kg/m2), morbidly obese (MO: BMI 40–49.9 kg/m2), super-morbidly obese (SMO: BMI 50–59.9 kg/m2), and super-super morbidly obese (SSMO: BMI >60 kg/m2). Time to ambulate (TA) was the primary variable.
Results
Requirement for non-invasive ventilation (NIV) was the only significant predictor of TA and discharge readiness (DR); the DR was further affected by functional capacity and presence of chest pain. Our analysis indicated that each unit increase in BMI (kg/m2) contributes to increase in ambulation time by 1.24 min (95 % CI: 0.648 to 1.832 min; P < 0.001) and DR by 0.52 h (95 % CI: 0.435 to 0.606 h; P < 0.001). The odds ratio for requirement for NIV (per unit change in BMI) was 1.163 (CI: 1.127/1.197; P < 0.001).
Conclusions
Aggressive preoperative optimization can avert effects of BMI on anesthetic outcome. Practice of prehabilitation and preoperative optimization of comorbidities using evidence-based clinical pathways can complement the principles of ERAS in patients undergoing bariatric surgery to facilitate their discharge readiness.
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Acknowledgments
Attestation: Aparna Sinha has seen the original study data, reviewed the analysis of the data, approved the final manuscript, and is responsible for archiving the study files. This author designed and conducted the study, analyzed the data, and wrote the manuscript.
Attestation: Lakshmi Jayaraman has seen the original study data, reviewed the analysis of the data, approved the final manuscript, and is responsible for archiving the study files.
Attestation: Dinesh Punhani has seen the original study data, reviewed the analysis of the data, approved the final manuscript, and is responsible for archiving the study files
Attestation: Pradeep Chowbey has seen the original study data, reviewed the analysis of the data, approved the final manuscript, and is responsible for archiving the study files.
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This study was conducted in compliance with Good Clinical Practice (GCP) and in accordance with the ethical principles that have their origin in the Declaration of Helsinki Guidelines for Ethics in Research.
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Sinha, A., Jayaraman, L., Punhani, D. et al. Enhanced Recovery after Bariatric Surgery in the Severely Obese, Morbidly Obese, Super-Morbidly Obese and Super-Super Morbidly Obese Using Evidence-Based Clinical Pathways: a Comparative Study. OBES SURG 27, 560–568 (2017). https://doi.org/10.1007/s11695-016-2366-y
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DOI: https://doi.org/10.1007/s11695-016-2366-y