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Wang X, Chen X, Gao J. Effect of positive airway pressure on obese patients undergoing surgery: a systematic review and meta-analysis. BMC Anesthesiol 2024; 24:281. [PMID: 39123127 PMCID: PMC11312926 DOI: 10.1186/s12871-024-02665-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
This systematic review and meta-analysis (SRMA) evaluates the efficacy and safety of Positive Airway Pressure (PAP) therapy in perioperative care for obese surgical patients. We reviewed 24 studies, encompassing data up to March 23, 2023, analyzing the impacts of Continuous Positive Airway Pressure (CPAP) and Bilevel Positive Airway Pressure (BIPAP) on postoperative adverse outcomes, oxygenation, and pulmonary function. Our findings underscore the significant potential of PAP therapy in managing obese patients during the perioperative period, particularly those at substantial risk for postoperative respiratory complications. PAP therapy not only enhances oxygenation levels and lung function but also substantially reduces the incidence of atelectasis and shortens hospital stays, thereby affirming its vital role in improving perioperative outcomes for this patient population.
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Affiliation(s)
- Xinyi Wang
- Yangzhou University Medical College, Yangzhou, 225000, China
- Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, 225000, China
| | - Xizhi Chen
- The Yangzhou Clinical Medical College of Xuzhou Medical University, Yangzhou, Jiangsu, 225000, China
| | - Ju Gao
- Yangzhou University Medical College, Yangzhou, 225000, China.
- Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu, 225000, China.
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Arslan NG. Factors Determining the Need For Bilevel Therapy in Obstructive Sleep Apnea Patients. JOURNAL OF TURKISH SLEEP MEDICINE 2023. [DOI: 10.4274/jtsm.galenos.2022.27136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Shah S, Smotherman C, Louis M. Determinants of bilevel therapy in the management of obstructive sleep apnea. Sleep Breath 2020; 25:1181-1186. [PMID: 32965586 DOI: 10.1007/s11325-020-02193-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/28/2020] [Accepted: 09/12/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND The aim of this study was to investigate potential patient or polysomnogram (PSG) characteristics that can help determine who might benefit from bilevel positive airway pressure (BPAP) in the treatment of uncomplicated OSA. STUDY DESIGN This was a single center, retrospective, observational study in which 19 patients who met our inclusion criteria for BPAP were matched to 40 patients in the control group. Data on patient baseline characteristics as well as PSG results were analyzed. RESULTS Baseline patient and PSG characteristics were similar with the exception of shorter sleep time in the BPAP group, 290 min compared with 351 min (p = 0.005). Analysis of oxygen saturations revealed that the percent of total sleep time (TST) spent below 90% (SpO2 < 90%) was statistically higher in BPAP group (mean 21.4% ± 23.6%) compared with CPAP (mean 9.1% ± 11.1%, p = 0.045). For every 5% increase in TST at SpO2 < 90%, there is a 28% increase in the odds of BPAP prescription (OR = 1.276, 95%CI 1.029, 1.582, p = 0.027), and for every 10% increase, there is an increase of 63% (OR 1.627, 95%CI 1.058-2.502). The Hosmer-Lemeshow goodness-of-fit test revealed a good fit (p = 0.23). The AUC was 0.7. CONCLUSION There is an association between duration of hypoxemia on the PSG and the likelihood of requiring BPAP for the treatment of uncomplicated OSA. More research is needed to understand the best patient-centered therapy when initiating PAP in the management of OSA.
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Affiliation(s)
- Stuart Shah
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Jacksonville Suite 7-088, C-54 UF Health Clinical Center, 655 west 8th Street, Jacksonville, FL, 32209, USA
| | - Carmen Smotherman
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Jacksonville Suite 7-088, C-54 UF Health Clinical Center, 655 west 8th Street, Jacksonville, FL, 32209, USA
| | - Mariam Louis
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Jacksonville Suite 7-088, C-54 UF Health Clinical Center, 655 west 8th Street, Jacksonville, FL, 32209, USA.
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Salman MA, Othman B, Salman AA, Abdallah A, Elkassar H, Omar MG, Ghobashy A, Nafea MA, Sultan AAEA, Abdulsamad AS, Lotfy SM. Improvement of Obstructive Sleep Apnea–Hypopnea Syndrome in Morbidly Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy: Prospective Study. Bariatr Surg Pract Patient Care 2020. [DOI: 10.1089/bari.2019.0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Basem Othman
- General Surgery Department, Makkah Security Forces Hospital, Makkah, Saudi Arabia
| | | | - Ahmed Abdallah
- General Surgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Hesham Elkassar
- Internal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mahmoud Gouda Omar
- Internal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Ahmed Ghobashy
- General Surgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mohammed A. Nafea
- General Surgery Department, Faculty of Medicine, Al Azhar University, Cairo, Egypt
| | | | | | - Samah M. Lotfy
- Chest Diseases Department, Faculty of Human Medicine, Zagazig University, Zagazig, Egypt
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Salman MA, Othman B, Salman AA, Abdallah A, Elkassar H, Omar MG, Ghobashy A, Nafea MA, Sultan AAEA, Abdulsamad AS, Lotfy SM. Improvement of Obstructive Sleep Apnea–Hypopnea Syndrome in Morbidly Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy: Prospective Study. Bariatr Surg Pract Patient Care 2020. [DOI: https://doi.org/10.1089/bari.2019.0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
| | - Basem Othman
- General Surgery Department, Makkah Security Forces Hospital, Makkah, Saudi Arabia
| | | | - Ahmed Abdallah
- General Surgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Hesham Elkassar
- Internal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mahmoud Gouda Omar
- Internal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Ahmed Ghobashy
- General Surgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mohammed A. Nafea
- General Surgery Department, Faculty of Medicine, Al Azhar University, Cairo, Egypt
| | | | | | - Samah M. Lotfy
- Chest Diseases Department, Faculty of Human Medicine, Zagazig University, Zagazig, Egypt
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Kennedy B, Lasserson TJ, Wozniak DR, Smith I. Pressure modification or humidification for improving usage of continuous positive airway pressure machines in adults with obstructive sleep apnoea. Cochrane Database Syst Rev 2019; 12:CD003531. [PMID: 31792939 PMCID: PMC6888022 DOI: 10.1002/14651858.cd003531.pub4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND Obstructive sleep apnoea (OSA) is the repetitive closure of the upper airway during sleep. This results in disturbed sleep and excessive daytime sleepiness. It is a risk factor for long-term cardiovascular morbidity. Continuous positive airway pressure (CPAP) machines can be applied during sleep. They deliver air pressure by a nasal or oronasal mask to prevent the airway from closing, reducing sleep disturbance and improving sleep quality. Some people find them difficult to tolerate because of high pressure levels and other symptoms such as a dry mouth. Switching to machines that vary the level of air pressure required to reduce sleep disturbance could increase comfort and promote more regular use. Humidification devices humidify the air that is delivered to the upper airway through the CPAP circuit. Humidification may reduce dryness of the throat and mouth and thus improve CPAP tolerability. This updated Cochrane Review looks at modifying the delivery of positive pressure and humidification on machine usage and other clinical outcomes in OSA. OBJECTIVES To determine the effects of positive pressure modification or humidification on increasing CPAP machine usage in adults with OSA. SEARCH METHODS We searched Cochrane Airways Specialised Register and clinical trials registries on 15 October 2018. SELECTION CRITERIA Randomised parallel group or cross-over trials in adults with OSA. We included studies that compared automatically adjusting CPAP (auto-CPAP), bilevel positive airway pressure (bi-PAP), CPAP with expiratory pressure relief (CPAPexp), heated humidification plus fixed CPAP, automatically adjusting CPAP with expiratory pressure relief, Bi-PAP with expiratory pressure relief, auto bi-PAP and CPAPexp with wakefulness detection with fixed pressure setting. DATA COLLECTION AND ANALYSIS We used standard methods expected by Cochrane. We assessed the certainty of evidence using GRADE for the outcomes of machine usage, symptoms (measured by the Epworth Sleepiness Scale (ESS)), Apnoea Hypopnoea Index (AHI), quality of life measured by Functional Outcomes of Sleep Questionnaire (FOSQ), blood pressure, withdrawals and adverse events (e.g. nasal blockage or mask intolerance). The main comparison of interest in the review is auto-CPAP versus fixed CPAP. MAIN RESULTS We included 64 studies (3922 participants, 75% male). The main comparison of auto-CPAP with fixed CPAP is based on 36 studies with 2135 participants from Europe, USA, Hong Kong and Australia. The majority of studies recruited participants who were recently diagnosed with OSA and had not used CPAP previously. They had excessive sleepiness (ESS: 13), severe sleep disturbance (AHI ranged from 22 to 59), and average body mass index (BMI) of 35 kg/m2. Interventions were delivered at home and the duration of most studies was 12 weeks or less. We judged that studies at high or unclear risk of bias likely influenced the effect of auto-CPAP on machine usage, symptoms, quality of life and tolerability, but not for other outcomes. Primary outcome Compared with average usage of about five hours per night with fixed CPAP, people probably use auto-CPAP for 13 minutes longer per night at about six weeks (mean difference (MD) 0.21 hours/night, 95% confidence interval (CI) 0.11 to 0.31; 31 studies, 1452 participants; moderate-certainty evidence). We do not have enough data to determine whether auto-CPAP increases the number of people who use machines for more than four hours per night compared with fixed CPAP (odds ratio (OR) 1.16, 95% CI 0.75 to 1.81; 2 studies, 346 participants; low-certainty evidence). Secondary outcomes Auto-CPAP probably reduces daytime sleepiness compared with fixed CPAP at about six weeks by a small amount (MD -0.44 ESS units, 95% CI -0.72 to -0.16; 25 studies, 1285 participants; moderate-certainty evidence). AHI is slightly higher with auto-CPAP than with fixed CPAP (MD 0.48 events per hour, 95% CI 0.16 to 0.80; 26 studies, 1256 participants; high-certainty evidence), although it fell with both machine types from baseline values in the studies. Ten per cent of people in auto-CPAP and 11% in the fixed CPAP arms withdrew from the studies (OR 0.90, 95% CI 0.64 to 1.27; moderate-certainty evidence). Auto-CPAP and fixed CPAP may have similar effects on quality of life, as measured by the FOSQ but more evidence is needed to be confident in this result (MD 0.12, 95% CI -0.21 to 0.46; 3 studies, 352 participants; low-certainty evidence). Two studies (353 participants) provided data on clinic-measured blood pressure. Auto-CPAP may be slightly less effective at reducing diastolic blood pressure compared to fixed CPAP (MD 2.92 mmHg, 95% CI 1.06 to 4.77 mmHg; low-certainty evidence). The two modalities of CPAP probably do not differ in their effects on systolic blood pressure (MD 1.87 mmHg, 95% CI -1.08 to 4.82; moderate-certainty evidence). Nine studies (574 participants) provided information on adverse events such as nasal blockage, dry mouth, tolerance of treatment pressure and mask leak. They used different scales to capture these outcomes and due to variation in the direction and size of effect between the studies, the comparative effects on tolerability outcomes are uncertain (very low-certainty evidence). The evidence base for other interventions is smaller, and does not provide sufficient information to determine whether there are important differences between pressure modification strategies and fixed CPAP on machine usage outcomes, symptoms and quality of life. As with the evidence for the auto-CPAP, adverse events are measured disparately. AUTHORS' CONCLUSIONS In adults with moderate to severe sleep apnoea starting positive airway pressure therapy, auto-CPAP probably increases machine usage by about 13 minutes per night. The effects on daytime sleepiness scores with auto-CPAP are not clinically meaningful. AHI values are slightly lower with fixed CPAP. Use of validated quality of life instruments in the studies to date has been limited, although where they have been used the effect sizes have not exceeded proposed clinically important differences. The adoption of a standardised approach to measuring tolerability would help decision-makers to balance benefits with harms from the different treatment options available. The evidence available for other pressure modification strategies does not provide a reliable basis on which to draw firm conclusions. Future studies should look at the effects of pressure modification devices and humidification in people who have already used CPAP but are unable to persist with treatment.
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Affiliation(s)
- Barry Kennedy
- St. James's HospitalDepartment of Sleep MedicineDublinIreland
| | - Toby J Lasserson
- Cochrane Central ExecutiveEditorial & Methods DepartmentSt Albans House57‐59 HaymarketLondonUKSW1Y 4QX
| | - Dariusz R Wozniak
- Royal Papworth HospitalRespiratory Support and Sleep CentrePapworth EverardCambridgeUKCB23 3RE
| | - Ian Smith
- Royal Papworth HospitalRespiratory Support and Sleep CentrePapworth EverardCambridgeUKCB23 3RE
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Celikhisar H, Dasdemir Ilkhan G. The Association of Obstructive Sleep Apnea Syndrome and Accident Risk in Heavy Equipment Operators. ACTA ACUST UNITED AC 2019; 55:medicina55090599. [PMID: 31533301 PMCID: PMC6780242 DOI: 10.3390/medicina55090599] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 09/09/2019] [Accepted: 09/10/2019] [Indexed: 12/26/2022]
Abstract
Background and Objectives: Obstructive sleep apnea syndrome (OSAS) is the most frequent sleep disorder, characterized by the repeated collapse of the upper respiratory tract during sleep. In this study, we aimed to determine the prevalence of OSAS in heavy equipment operators and to determine the relationship between the work accidents that these operators were involved in and the OSAS symptoms and severity. In doing this, we aimed to emphasize the association of OSAS, which is a treatable disease, and these accidents, which cause loss of manpower, financial hampering, and even death. Materials and Methods: STOP BANG questionnaire was provided to 965 heavy equipment operators and polysomnography (PSG) was performed, in Izmir Esrefpasa Municipality Hospital, to the operators at high risk for OSAS. Demographic data, health status, and accidents of these operators were recorded. Results: All operators who participated in the study were male. The ages of the cases ranged from 35 to 58 and the mean age was 45.07 ± 5.54 years. The mean STOP BANG questionnaire results were 4.36 ± 3.82. In total, 142 operators were identified with high risk for OSAS and PSG could be performed on 110 of these 142 operators. According to the PSG results of the operators, 41 (37.3%) patients had normal findings, while 35 (31.8%) had mild, 20 (18.2%) had moderate, and 14 (12.7%) had severe OSAS. Among those 110 patients, 71 (64.5%) of the cases had no history of any accidents, 25 (22.8%) were almost involved in an accident due to sleepiness, and 14 (12.7%) were actually involved in an accident. There was a statistically significant relationship between the accident rate and OSAS severity (p: 0.009). Conclusion: Based on the data acquired in the present study, a positive correlation was determined between the accident statuses of drivers with OSAS severity. We want to attract attention to the necessity of evaluating the OSAS symptoms in professional heavy equipment operators during the certification period and at various intervals afterwards, and to carry out OSAS evaluations by PSG for those having a certain risk.
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Affiliation(s)
- Hakan Celikhisar
- Department of Chest Deseases, İzmir Metropolitan Municipality Hospital, İzmir 35110, Turkey.
| | - Gulay Dasdemir Ilkhan
- Department of Chest Diseases, Okmeydanı Training and Research Hospital, Istanbul 34384, Turkey.
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Omobomi O, Quan SF. BPAP for CPAP failures: For the many or the few. Respirology 2019; 25:358-359. [PMID: 31441156 DOI: 10.1111/resp.13687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 08/08/2019] [Indexed: 01/20/2023]
Affiliation(s)
- Olabimpe Omobomi
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Stuart F Quan
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Asthma and Airways Research Center, University of Arizona College of Medicine, Tucson, AZ, USA
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Spiesshoefer J, Aries J, Giannoni A, Emdin M, Fox H, Boentert M, Bitter T, Oldenburg O. APAP therapy does not improve impaired sleep quality and sympatho-vagal balance: a randomized trial in patients with obstructive sleep apnea and systolic heart failure. Sleep Breath 2019; 24:211-219. [DOI: 10.1007/s11325-019-01868-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/06/2019] [Accepted: 05/15/2019] [Indexed: 12/14/2022]
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Fujioka K, Perdomo C, Malhotra M. Effect of lorcaserin on weight reduction in persons with obstructive sleep apnea (OSA): a combined subgroup analysis from three randomized, controlled clinical trials. Obes Sci Pract 2019; 5:238-245. [PMID: 31275597 PMCID: PMC6587310 DOI: 10.1002/osp4.340] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 03/08/2019] [Accepted: 03/17/2019] [Indexed: 12/30/2022] Open
Abstract
STUDY OBJECTIVES To evaluate weight loss with lorcaserin in persons with obstructive sleep apnea (OSA). METHODS This retrospective analysis evaluated weight loss of lorcaserin (10 mg twice daily) versus placebo in persons with obesity or overweight persons with OSA from a pooled database of three randomized, controlled trials. Primary end points were reductions in the baseline body weight of ≥5% and ≥10% at year 1 and overall weight change at year 1. Changes in heart rate and blood pressure were also evaluated. RESULTS A total of 336 persons with OSA were identified in the overall pooled population (N = 6,636). At year 1, more patients receiving lorcaserin lost ≥5% (47.2% lorcaserin vs. 25.6% placebo; p < 0.0001) and 10% (22.2% lorcaserin vs. 13.1% placebo; p < 0.0354) of their baseline body weight. Weight loss at year 1 was 6.4 kg versus 3.5 kg in the lorcaserin and placebo groups, respectively (p < 0.0001). Similar results were observed for change in blood pressure and heart rate, with responders having larger benefits. Weight loss was similar between persons with and without OSA. CONCLUSIONS In this retrospective analysis, persons with OSA showed significant and meaningful weight loss, blood pressure and heart rate reductions in patients treated with lorcaserin versus placebo. Persons with OSA lost just as much weight as those without OSA. Health care providers can expect persons with OSA to lose weight by diet, exercise and the weight loss medication lorcaserin comparable with persons without OSA. Further prospective research is warranted to evaluate impact of weight loss on OSA and overall outcomes for patients.
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Affiliation(s)
- K. Fujioka
- Department of Diabetes and EndocrinologyScripps ClinicSan DiegoCAUSA
| | - C. Perdomo
- Neurology Business GroupEisai Inc.Woodcliff LakeNJUSA
| | - M. Malhotra
- Neurology Business GroupEisai Inc.Woodcliff LakeNJUSA
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The impact of bariatric surgery on the resolution of obstructive sleep apnoea. BMC Res Notes 2018; 11:385. [PMID: 29898772 PMCID: PMC6000945 DOI: 10.1186/s13104-018-3484-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 06/05/2018] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Obesity is associated with a high incidence of obstructive sleep apnoea (OSA). Bariatric surgery is postulated to lead to OSA resolution, but there is inconclusive evidence on its efficacy. We used objective measurements to determine the rate of resolution or improvement of OSA in patients who had bariatric procedures in our unit. RESULTS Data was analysed on all patients with OSA who underwent bariatric procedures [laparoscopic Roux-en-Y gastric bypass (LRYGB) and sleeve gastrectomy (LSG)] between June 2012 and September 2016 in our unit. 47 patients (26.7%) were diagnosed with OSA. Mean age was 48.5 years. 63.8% were female. 43 required nocturnal continuous positive airway pressure (CPAP) support. Procedures were LRYGB (n = 26) and LSG (n = 21). Mean excess weight loss was 56.1%. Mean start apnoea-hypopnoea index (AHI) on CPAP was 6.4 events/hr and end AHI was 1.4 events/h. 14 patients (32.6%) had complete OSA resolution and 12 (27.9%) showed improvement in pressure support requirements. We demonstrated that 55.3% of patients had resolution or improvement in OSA following bariatric surgery. However, there was a high rate of non-attendance of follow-up appointments. Future efforts will involve analysis of the reasons for this to ensure more robust monitoring.
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