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Chinese Journal of Gastroesophageal Reflux Disease(Electronic Edition) ›› 2020, Vol. 07 ›› Issue (03): 167-171. doi: 10.3877/cma.j.issn.2095-8765.2020.03.007

Special Issue:

• Original Article • Previous Articles     Next Articles

Analysis of pulmonary function, acid reflux and esophageal dynamics in obese with obstructive sleep apnea syndrome patients

Zulipeiya·Abaidula1, Anshuan Gou2, Maimaiti·Yisireyili1, Min Ling2, Aikebaier·Aili1, Ling Niu2, Kelimu·Abudureyimu3,()   

  1. 1. Department of Minimally Invasive Surgery, Hernia and Abdominal Wall Surgery, People's Hospital of Xinjiang Uygur Autunomous Region,Urumqi 830001, China.
    2. Department of Respiratory and Critical Care Medicine
    3. Department of Minimally Invasive Surgery, Hernia and Abdominal Wall Surgery, People's Hospital of Xinjiang Uygur Autunomous Region, Urumqi 830001, China.
  • Received:2019-12-20 Online:2020-08-15 Published:2021-05-07
  • Contact: Kelimu·Abudureyimu

Abstract:

Objective

To investigate the pulmonary function, acid reflux and esophageal dynamics in obese patients with obstructive sleep apnea syndrome (OSAS).

Methods

A retrospective analysis was made of 82 obese patients who were hospitalized in the respiratory and critical care medical center in our hospital from March 2019 to December 2019. According to the clinical data, the patients who were diagnosed by PSG and met the diagnostic criteria of OSAS were included in the OSAS group (n=42 case) and non OSAS group (n=42 case). The characteristics of OSAS were analyzed by lung function, GERD questionnaire, 24-hour pH test and esophageal dynamics test.

Results

The PSG analysis showed that the AHI index of OSAS group was higher than non OSAS group, and SaO2% were lower than non OSAS group (P<0.05); FVC and FEV1 in OSAS group were significantly lower than those in non OSAS group, while FRC was significantly higher than those in non OSAS group (P<0.05); sleep disorders in OSAS group were significantly higher than OSAS group (P<0.05); 24-hour esophageal pH test showed that the number of acid reflux, total acid reflux and DeMeester score in the OSAS group were significantly higher than those in the non OSAS group (P<0.05); the esophageal motility test showed that the LES resting pressure in the OSAS group was lower, and the UES resting pressure was higher than that in the non OSAS group (P<0.05).

Conclusion

OSAS in obese patients is related to the change of pulmonary function, acid reflux and esophageal motility, which can promote and influence each other.

Key words: obesity, obstructive sleep apnea syndrome, pulmonary function, acid reflux, esophageal motility

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