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Revista de la Asociación Médica del Centro Médico ABC

2021, Number 3

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An Med Asoc Med Hosp ABC 2021; 66 (3)

Preoperative incentive spirometry to improve desaturation tolerance time during anesthetic induction in obese patients

Pavía VSS, Bernal RN, Torres GA, Alarcón TMF, Falcón VL

Language: Spanish
References: 16
Page: 169-177
PDF size: 270.10 Kb.


ABSTRACT

Introduction: Patients with obesity have a diminished residual functional capacity and their time of tolerance to desaturation is lower. Incentive spirometry, naturally mimics sighs and yawns, leading the patient to perform long, slow, and deep breaths, decreasing pleural pressure, improving thoracic expansion and gas exchange. Objective: Evaluate the efficacy of preoperative incentive spirometry compared to control, to improve the time to tolerance to desaturation up to 90% in obese patients undergoing elective surgery. Material and methods: A simple open randomized prospective study, where 24 patients were studied, of which 12 patients with preoperative incentive spirometry and 12 patients for the control group without preoperative incentive spirometry. Results: Desaturation at 90% in group 1 with mean of 148.83 seconds and control group with 113.08 seconds, difference of 35.75 seconds. The data obtained to recover a saturation to 94% show at first to be favorable for patients who performed spirometry, since the median is 41 seconds, while in the control group is 55. Conclusions: Obese patients under anesthesia general with orotracheal intubation would benefit from the use of preoperative Triflo routinely.


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EVIDENCE LEVEL

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