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Polysomnographic and Clinical Characteristics of Positional Obstructive Sleep Apnea Patients

Seda Beyhan Sagmen, Sevda Sener Comert
European Respiratory Journal 2021 58: PA2498; DOI: 10.1183/13993003.congress-2021.PA2498
Seda Beyhan Sagmen
1Health Science Unv Kartal Dr. Lutfi Kirdar Training and Research Hospital, Department of Pulmonary Medicine, Istanbul, Turkey
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  • For correspondence: sedabeyhansagmen@gmail.com
Sevda Sener Comert
1Health Science Unv Kartal Dr. Lutfi Kirdar Training and Research Hospital, Department of Pulmonary Medicine, Istanbul, Turkey
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Abstract

positional OSAnon-positional OSAP value
Age46,78±9,6650,90±10,96<0,001
BMI29,39±3,8033,30±6,45<0,001
Neck circumflex42,25 ± 2,6343,49 ± 2,580,001
Gender (M/F)61/27117/750,176

Aim: We aimed to compare clinical, polysomnographicparametresofpatientswithpositional andnonpositionalOSA

Material and method: This retrospective study was conducted during January2017andSeptember2018inatertiarycarecenterIstanbul. Acompleterecordof310patientswhowerepresented to our sleep center andunderwent polysomnography (PSG) was performed.30ofthesepatientswereexcluded becauseofcongestiveheart failure, chroniclungdiseaseandcentralsleepapneapatientsweredividedintotwo groups according toPSGaspositionalOSApatients(group1)andnonpositionalOSApatients(group2)Age, gender, BMI, neckcircumflex, polysomnographicparametreswereevaluated.

Results: Atotalof280 patientsmadeupof102women and 178menwereincludedinthisstudy. Themeanageof group1(46,78±9,66) was found to be significantly lower than the mean age of group2(50,90±10,96)(p<0,001)The meanbodymassindexandneckcircumflexof group1werelowerthanthoseofgroup2(p<0,001)Sleeptime, Sleepefficiency(%)minimumoxygensaturation, meanoxygensaturation of group1wassignificantlyhigherthan those of group2. AHI, AI, ODI, TST%90, heart rate and PLM index of group1 were lower than group2. The rate of sleep apnea severity in group1(7.95%)waslowerthan in group2(53.65%). In bloodgasanalysis, themeanPO2ingroup1(91.26 ± 19.29)washigherthaningroup2(85.21±17.63)(p:0,030)meanSO2ingroup1(96.83±2.80)washigherthaningroup2(95.63±3.81)) (p:0,001).

Conclusion: Inthelightofthesedata, itwasdeterminedthatpositionalOSApatientswereyounger andlowerweightandtheseverityofthediseasewaslesscommoninpositionalOSApatients

  • Hypoxia
  • Oxygen therapy
  • Apnoea / Hypopnea

Footnotes

Cite this article as: European Respiratory Journal 2021; 58: Suppl. 65, PA2498.

This abstract was presented at the 2021 ERS International Congress, in session “Prediction of exacerbations in patients with COPD”.

This is an ERS International Congress abstract. No full-text version is available. Further material to accompany this abstract may be available at www.ers-education.org (ERS member access only).

  • Copyright ©the authors 2021
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Polysomnographic and Clinical Characteristics of Positional Obstructive Sleep Apnea Patients
Seda Beyhan Sagmen, Sevda Sener Comert
European Respiratory Journal Sep 2021, 58 (suppl 65) PA2498; DOI: 10.1183/13993003.congress-2021.PA2498

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Polysomnographic and Clinical Characteristics of Positional Obstructive Sleep Apnea Patients
Seda Beyhan Sagmen, Sevda Sener Comert
European Respiratory Journal Sep 2021, 58 (suppl 65) PA2498; DOI: 10.1183/13993003.congress-2021.PA2498
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