Preoperative apnea-hypopnea index predicts increased postoperative intrathoracic pressure during sleep in patients who underwent endoscopic nasal surgery

Respiratory condition could worsen during sleep in patients with nasal packing following endoscopic nasal and sinus surgery (ESS) under general anesthesia. Recently, a noninvasive intrathoracic pressure estimation sensor was developed that uses photoplethysmographic pulse wave technology. The purpos...

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Bibliographic Details
Published in:Auris, nasus, larynx nasus, larynx, 2022-10, Vol.49 (5), p.805-809
Main Authors: Suzuki, Masaaki, Kawai, Kaori, Kawai, Yuichi, Honjo, Motomu, Furukawa, Taiji
Format: Article
Language:English
Subjects:
Bilateral nasal packing
General anesthesia
Obstructive sleep apnea
Photoplethysmographic pulse wave
Postoperative monitoring
SpO2
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Summary:Respiratory condition could worsen during sleep in patients with nasal packing following endoscopic nasal and sinus surgery (ESS) under general anesthesia. Recently, a noninvasive intrathoracic pressure estimation sensor was developed that uses photoplethysmographic pulse wave technology. The purpose of this study was to noninvasively evaluate the effect of bilateral nasal packing on respiration during sleep, using a photoplethysmographic pulse wave sensor in perioperative patients who underwent ESS under general anesthesia. In this observational cross-sectional case-control study, estimated intrathoracic pressure and SpO2 were noninvasively measured during sleep with a wristband-type photoplethysmographic pulse wave sensor and a pulse oximeter in 43 patients with chronic sinusitis, nasal allergy, or septal deviation who underwent bilateral ESS under general anesthesia. Measurements were taken preoperatively, at postoperative day 1 (POD1) with bilateral nasal packing in place, and at POD5 after the nasal packing was removed. Based on the preoperative obstructive apnea-hypopnea index (AHI) score determined by overnight polysomnography, patients were classified into those with moderate to severe obstructive sleep apnea (OSA) (AHI ≥ 15/h) and those with mild or non-OSA (AHI ≤ 15/h). Significant changes were noted in estimated intrathoracic pressure, but not in SpO2 nadir, between time points. Estimated intrathoracic pressure decreased the most at POD1 with bilateral nasal packing in place in patients with OSA after ESS. Multivariate stepwise regression revealed the relative incidence of increased estimated intrathoracic pressure on POD1 was independently predicted by preoperative AHI, but not by age, body mass index, total nasal resistance, or preoperative SpO2 nadir. Use of the photoplethysmographic pulse wave sensor to noninvasively measure intrathoracic pressure detected changes in perioperative respiratory effort that pulse oximetry did not. Attention should be paid to the use of postoperative bilateral nasal packing in patients with moderate to severe OSA who undergo ESS under general anesthesia. Our results support the concept of using less, short-term, or no nasal packing after ESS.
ISSN:0385-8146
1879-1476
DOI:10.1016/j.anl.2022.02.001