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Adami A, Tonon D, Corica A, Trevisan D, Thijs V, Rossato G. Yield of overnight pulse oximetry in screening commercial drivers for obstructive sleep apnea. Sleep Breath 2023; 27:2175-2180. [PMID: 36971970 DOI: 10.1007/s11325-023-02814-3] [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: 12/06/2022] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/29/2023]
Abstract
PURPOSE To assess the efficacy of overnight pulse oximetry in screening male commercial drivers (CDs) for obstructive sleep apnea (OSA). METHODS Consecutive male CDs undergoing their annual scheduled occupational health visit were enrolled from ten transportation facilities. All subjects underwent a home sleep apnea test (HSAT) to determine the Respiratory Event Index (REI). Oxygen desaturation indices (ODIs) below the 3% and 4% thresholds were computed using the built-in HSAT pulse oximeter. We then assessed the association between ODI values and the presence of OSA (defined as an REI ≥ 5 events/hour) as well as moderate to severe OSA (REI ≥ 15 events/hour). RESULTS Of 331 CDs recruited, 278 (84%) completed the study protocol and 53 subjects were excluded due to inadequate HSAT quality. The included and excluded subjects were comparable in demographics and clinical characteristics. The included CDs had a median age of 49 years (interquartile range (IQR) = 15 years) and a median body mass index of 27 kg/m2 (IQR = 5 kg/m2). One hundred ninety-nine (72%) CDs had OSA, of which 48 (17%) were with moderate OSA and 45 (16%) with severe OSA. The ODI3 and ODI4 receiving operating characteristic curve value were 0.95 for predicting OSA and 0.98-0.96 for predicting moderate to severe OSA. CONCLUSION Overnight oxygen oximetry may be an effective means to screen CDs for OSA.
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Affiliation(s)
- Alessandro Adami
- Sleep Center, Neurology Dept, IRCCS Sacro Cuore Don Calabria, Via Sempreboni 6, 37024, Negrar, Verona, Italy.
| | - Davide Tonon
- Sleep Center, Neurology Dept, IRCCS Sacro Cuore Don Calabria, Via Sempreboni 6, 37024, Negrar, Verona, Italy
| | - Antonio Corica
- Sleep Center, Neurology Dept, IRCCS Sacro Cuore Don Calabria, Via Sempreboni 6, 37024, Negrar, Verona, Italy
| | - Deborah Trevisan
- Sleep Center, Neurology Dept, IRCCS Sacro Cuore Don Calabria, Via Sempreboni 6, 37024, Negrar, Verona, Italy
| | - Vincent Thijs
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Heidelberg, VIC, Australia
| | - Gianluca Rossato
- Sleep Center, Neurology Dept, IRCCS Sacro Cuore Don Calabria, Via Sempreboni 6, 37024, Negrar, Verona, Italy
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Wong KA, Paul A, Fuentes P, Lim DC, Das A, Tan M. Screening for obstructive sleep apnea in patients with cancer - a machine learning approach. SLEEP ADVANCES : A JOURNAL OF THE SLEEP RESEARCH SOCIETY 2023; 4:zpad042. [PMID: 38131038 PMCID: PMC10735319 DOI: 10.1093/sleepadvances/zpad042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/30/2023] [Indexed: 12/23/2023]
Abstract
Background Obstructive sleep apnea (OSA) is a highly prevalent sleep disorder associated with daytime sleepiness, fatigue, and increased all-cause mortality risk in patients with cancer. Existing screening tools for OSA do not account for the interaction of cancer-related features that may increase OSA risk. Study Design and Methods This is a retrospective study of patients with cancer at a single tertiary cancer institution who underwent a home sleep apnea test (HSAT) to evaluate for OSA. Unsupervised machine learning (ML) was used to reduce the dimensions and extract significant features associated with OSA. ML classifiers were applied to principal components and model hyperparameters were optimized using k-fold cross-validation. Training models for OSA were subsequently tested and compared with the STOP-Bang questionnaire on a prospective unseen test set of patients who underwent an HSAT. Results From a training dataset of 249 patients, kernel principal component analysis (PCA) extracted eight components through dimension reduction to explain the maximum variance with OSA at 98%. Predictors of OSA were smoking, asthma, chronic kidney disease, STOP-Bang score, race, diabetes, radiation to head/neck/thorax (RT-HNT), type of cancer, and cancer metastases. Of the ML models, PCA + RF had the highest sensitivity (96.8%), specificity (92.3%), negative predictive value (92%), F1 score (0.93), and ROC-AUC score (0.88). The PCA + RF screening algorithm also performed better than the STOP-Bang questionnaire alone when tested on a prospective unseen test set. Conclusions The PCA + RF ML model had the highest accuracy in screening for OSA in patients with cancer. History of RT-HNT, cancer metastases, and type of cancer were identified as cancer-related risk factors for OSA.
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Affiliation(s)
- Karen A Wong
- Pulmonary Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ankita Paul
- Department of Electrical and Computer Engineering, Drexel University, Philadelphia, PA, USA
| | - Paige Fuentes
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Diane C Lim
- Department of Medicine, Miami Veterans Affairs Healthcare System, Miami, FL, USA
- Department of Medicine, University of Miami, Miami, FL, USA
| | - Anup Das
- Department of Electrical and Computer Engineering, Drexel University, Philadelphia, PA, USA
| | - Miranda Tan
- Pulmonary Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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Jagielski JT, Bibi N, Gay PC, Junna MR, Carvalho DZ, Williams JA, Morgenthaler TI. Evaluating an under-mattress sleep monitor compared to a peripheral arterial tonometry home sleep apnea test device in the diagnosis of obstructive sleep apnea. Sleep Breath 2023; 27:1433-1441. [PMID: 36441446 DOI: 10.1007/s11325-022-02751-7] [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: 06/29/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 11/29/2022]
Abstract
STUDY OBJECTIVES To evaluate whether or not the apnea-hypopnea index (AHI) from a peripheral arterial tonometry (PAT) home sleep apnea test (HSAT) is equivalent to the AHI provided by the mean of one, three, or seven nights from the Withings Sleep Analyzer (WSA) under-mattress device. METHODS We prospectively enrolled patients with suspected OSA in whom a PAT-HSAT was ordered. Eligible patients used the WSA for seven to nine nights. PAT data were scored using the device's intrinsic machine learning algorithms to arrive at the AHI using both 3% and 4% desaturation criteria for hypopnea estimations (PAT3%-AHI and PAT4%-AHI, respectively). These were then compared with the WSA-estimated AHI (WSA-AHI). RESULTS Of 61 patients enrolled, 35 completed the study with valid PAT and WSA data. Of the 35 completers 16 (46%) had at least moderately severe OSA (PAT3%-AHI ≥ 15). The seven-night mean WSA-AHI was 2.13 (95%CI = - 0.88, 5.14) less than the PAT3%-AHI, but 5.64 (95%CI = 2.54, 8.73) greater than the PAT4%-AHI. The accuracy and area under the receiver operating curve (AUC) using the PAT3%-AHI ≥ 15 were 77% and 0.87 and for PAT4%-AHI ≥ 15 were 77% and 0.85, respectively. The one-, three-, or seven-night WSA-AHI were not equivalent to either the 3% or 4% PAT-AHI (equivalency threshold of ± 2.5 using the two one-sided t-test method). CONCLUSIONS The WSA derives estimates of the AHI unobtrusively over many nights, which may prove to be a valuable clinical tool. However, the WSA-AHI over- or underestimates the PAT-AHI in clinical use, and the appropriate use of the WSA in clinical practice will require further evaluation. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT04778748.
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Affiliation(s)
- Jack T Jagielski
- Neurology Clinical Research Unit, Mayo Clinic, Rochester, MN, USA
| | - Noor Bibi
- Neurology Clinical Research Unit, Mayo Clinic, Rochester, MN, USA
| | - Peter C Gay
- Center for Sleep Medicine, Mayo Clinic, Rochester, MN, USA
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Mithri R Junna
- Center for Sleep Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Diego Z Carvalho
- Center for Sleep Medicine, Mayo Clinic, Rochester, MN, USA
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Julie A Williams
- Center for Sleep Medicine, Mayo Clinic, Rochester, MN, USA
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Timothy I Morgenthaler
- Center for Sleep Medicine, Mayo Clinic, Rochester, MN, USA.
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA.
- Mayo Clinic Center for Sleep Medicine, 200 First Street SW, Rochester, MN, 55905, USA.
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Herberts MB, Morgenthaler TI. Documentation of polysomnographic and home sleep apnea test interpretations: room for improvement? J Clin Sleep Med 2023; 19:1043-1049. [PMID: 36740919 PMCID: PMC10235711 DOI: 10.5664/jcsm.10460] [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: 08/31/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 02/07/2023]
Abstract
STUDY OBJECTIVES Obstructive sleep apnea (OSA), a heterogeneous disorder with many different presentations, is diagnosed with sleep studies. In standard clinical practice, test data are reviewed and scored, and interpretations are documented. Little standardization exists regarding what should be included in interpretations. We aimed to determine how consistently the documented interpretation included references to study quality parameters and accepted disease phenotypes. METHODS This study was performed at a single academic center in January 2021. From the literature, we formulated a list of test and titration quality criteria and OSA phenotypes that should be reflected in study interpretations, including total recording time, total sleep time, positionality, and supine rapid eye movement (REM) sleep during titration. We retrospectively reviewed the documentation of sleep studies to determine how often these factors were reflected in interpretation reports or clinical notes. RESULTS Of 134 patients in the study, 81 were diagnosed with OSA. A finding of inadequate total recording time during polysomnography or total sleep time on home sleep apnea testing was most often not documented. Positionality of OSA was not documented in 33% of applicable studies. The absence of supine REM sleep during positive airway pressure titration was not mentioned in 15% of interpretations. CONCLUSIONS The documentation of quality concerns and clinically important OSA phenotypes in interpretations was inconsistent. Documentation of meaningful test quality information and sleep apnea phenotypes might be improved with report standardization or by developing enhanced data displays. CITATION Herberts MB, Morgenthaler TI. Documentation of polysomnographic and home sleep apnea test interpretations: room for improvement? J Clin Sleep Med. 2023;19(6):1043-1049.
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Affiliation(s)
- Michelle B. Herberts
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Timothy I. Morgenthaler
- Center for Sleep Medicine, Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota
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Two effective clinical prediction models to screen for obstructive sleep apnoea based on body mass index and other parameters. Sleep Breath 2021; 26:923-932. [PMID: 34142269 DOI: 10.1007/s11325-021-02347-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 03/07/2021] [Accepted: 03/09/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND AND OBJECTIVE The diagnosis of obstructive sleep apnea (OSA) relies on polysomnography which is time-consuming and expensive. We therefore aimed to develop two simple, non-invasive models to screen adults for OSA. METHODS The effectiveness of using body mass index (BMI) and a new visual prediction model to screen for OSA was evaluated using a development set (1769 participants) and confirmed using an independent validation set (642 participants). RESULTS Based on the development set, the best BMI cut-off value for diagnosing OSA was 26.45 kg/m2, with an area under the curve (AUC) of 0.7213 (95% confidence interval (CI), 0.6861-0.7566), a sensitivity of 57% and a specificity of 78%. Through forward conditional logistic regression analysis using a stepwise selection model developed from observed data, seven clinical variables were evaluated as independent predictors of OSA: age, BMI, sex, Epworth Sleepiness Scale score, witnessed apnoeas, dry mouth and arrhythmias. With this new model, the AUC was 0.7991 (95% CI, 0.7668-0.8314) for diagnosing OSA (sensitivity, 75%; specificity, 71%). The results were confirmed using the validation set. A nomogram for predicting OSA was generated based on this new model using statistical software. CONCLUSIONS BMI can be used as an indicator to screen for OSA in the community. We created an internally validated, highly distinguishable, visual and parsimonious prediction model comprising BMI and other parameters that can be used to identify patients with OSA among outpatients. Use of this prediction model may help to improve clinical decision-making.
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Adami A, Tonon D, Corica A, Trevisan D, Cipriano G, De Santis N, Guerriero M, Rossato G. Poor performance of screening questionnaires for obstructive sleep apnea in male commercial drivers. Sleep Breath 2021; 26:541-547. [PMID: 34136978 DOI: 10.1007/s11325-021-02414-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 05/05/2021] [Accepted: 06/02/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Screening commercial drivers (CDs) for obstructive sleep apnea (OSA) reduces the risk of motor vehicle accidents. We evaluated the accuracy of standard OSA questionnaires in a cohort of CDs. STUDY DESIGN AND METHODS We enrolled consecutive male CDs at 10 discrete transportation companies during their yearly scheduled occupational health visit. The CDs had their anthropometric measures taken; completed the Berlin, STOP, STOP-BANG, OSAS-TTI, SACS, EUROSAS, and ARES questionnaires; and underwent a home sleep apnea test (HSAT) for the determination of their respiratory events index (REI). We assessed the questionnaires' ability to predict OSA (REI ≥ 5 events/h) and moderate-to-severe OSA (REI ≥ 15 events/h). RESULTS Among 315 CDs recruited, 243 (77%) completed the study protocol, while 72 subjects were excluded for inadequate HSAT quality. The demographics and clinical data were comparable in both the included and excluded subjects. The included CDs had a median age of 50 years (interquartile range (IQR) 25-70) and a mean body mass index of 27 ± 4 kg/m2. One hundred and seventy-one subjects (71%) had OSA, and 68 (28%) had moderate-to-severe OSA. A receiver operating characteristic curve of the questionnaires were 0.51-0.71 for predicting OSA and 0.51-0.66 for moderate-to-severe OSA. The STOP-BANG questionnaire had an unsatisfactory positive predictive value, while all of the other questionnaires had an inadequate negative predictive value. CONCLUSIONS Standard OSA questionnaires are not suited for screening among CDs. The use of the HSAT could provide an objective evaluation of for OSA in this special population.
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Affiliation(s)
- Alessandro Adami
- Department of Neurology, Sleep Center, IRCCS Sacro Cuore Don Calabria, via Sempreboni 6, 37024, Negrar, Verona, Italy.
| | - Davide Tonon
- Department of Neurology, Sleep Center, IRCCS Sacro Cuore Don Calabria, via Sempreboni 6, 37024, Negrar, Verona, Italy
| | - Antonio Corica
- Department of Neurology, Sleep Center, IRCCS Sacro Cuore Don Calabria, via Sempreboni 6, 37024, Negrar, Verona, Italy
| | - Deborah Trevisan
- Department of Neurology, Sleep Center, IRCCS Sacro Cuore Don Calabria, via Sempreboni 6, 37024, Negrar, Verona, Italy
| | - Giovanni Cipriano
- Clinical Research Unit, Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
| | - Nicoletta De Santis
- Clinical Research Unit, IRCCS Sacro Cuore Don Calabria, Negrar, Verona, Italy
| | - Massimo Guerriero
- Clinical Research Unit, IRCCS Sacro Cuore Don Calabria, Negrar, Verona, Italy.,Department of Cultures and Civilizations, University of Verona, Verona, Italy
| | - Gianluca Rossato
- Department of Neurology, Sleep Center, IRCCS Sacro Cuore Don Calabria, via Sempreboni 6, 37024, Negrar, Verona, Italy
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Claman D, Sunwoo B. Improving Accuracy of Home Sleep Apnea Testing. J Clin Sleep Med 2017; 13:9-10. [PMID: 27998372 DOI: 10.5664/jcsm.6374] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 12/09/2016] [Indexed: 11/13/2022]
Affiliation(s)
- David Claman
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Francisco School of Medicine, San Francisco, CA
| | - Bernie Sunwoo
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Francisco School of Medicine, San Francisco, CA
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Calero K, Anderson WM. Home Portable Sleep Testing Has Gone Global. J Clin Sleep Med 2016; 12:7-8. [PMID: 26715406 DOI: 10.5664/jcsm.5380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 12/21/2015] [Indexed: 11/13/2022]
Affiliation(s)
- Karel Calero
- Division of Pulmonary Critical Care and Sleep Medicine, University of South Florida Morsani College of Medicine, Tampa, FL
| | - William McDowell Anderson
- Division of Pulmonary Critical Care and Sleep Medicine, University of South Florida Morsani College of Medicine, Tampa, FL
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