Management of Sleep Apnea

Hernández, Lourdes; Torrella, M.; Roger, N.; Llunell, Antonia; Ballester, Eugeni; Quintò, Llorenç; Serrano, Mario; Masa, Fernando; Montserrat, Josep M.

doi:10.1378/chest.07-0250

Cited by 16 publications

(5 citation statements)

References 27 publications

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“…This is especially important in scorers who are not fully qualified sleep physicians and who, at least in some countries (such as ours), use simplified systems [10]. Finally, (4) comparisons with automatic scoring performed by sleep devices are also required.…”

Section: Discussionmentioning

confidence: 99%

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Sleep Breathing Flow Characteristics as a Sign for the Detection of Wakefulness in Patients with Sleep Apnea

et al. 2009

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Background: To improve the performance of simplified sleep studies, it is essential to properly estimate the sleep time. Objectives: Our aim is to estimate sleep efficiency on the basis of flow breathing signal characteristics. Methods: Twenty subjects with sleep apnea-hypopnea syndrome diagnosed by polysomnography were studied. A characteristic pattern of flow signal defined our criteria for wakefulness and sleep. Sleep was analyzed in 2 different runs: (1) in the usual manner (neurological and respiratory variables), and (2) only the nasal cannula flow signal was displayed on the computer screen and the sleep and wakefulness periods were scored according to our criteria. At the end of the scoring process, all the signals were displayed on the screen to analyze the concordance. Results: Three thousand and sixty-nine screens were analyzed. The polysomnography sleep efficiency measured was 80.8%. The estimated sleep efficiency measured by nasal prongs was 78.9%. The detection and concordance of wakefulness had a sensitivity of 58.7%, a specificity of 96.4%, a positive predictive value of 81.3% and a negative predictive value of 89.6%. Conclusions: Our criteria for sleep and wakefulness based on airflow waveform morphology are a helpful parameter for estimating sleep efficiency in a simplified sleep study.

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Section: Discussionmentioning

confidence: 99%

“…Therefore, there is a growing interest in alternative diagnostic methods and approaches. One approach that could be helpful is the performance of simple sleep studies using respiratory variables that can be used both in a laboratory and at home and would provide an accurate diagnosis at a much lower cost [8,9,10]. …”

Section: Introductionmentioning

confidence: 99%

Sleep Breathing Flow Characteristics as a Sign for the Detection of Wakefulness in Patients with Sleep Apnea

et al. 2009

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“…Finally, real-time telecontrol of ventilators could be applied to the titration of the level of continuous positive airway pressure (CPAP) required by patients with the obstructive sleep apnea syndrome (OSAS). By allowing the simultaneous CPAP titration of several patients at home by one sleep technician who is not necessarily operating in a specialized sleep lab (19), this approach could reduce the large waiting lists for CPAP titration in OSAS (20).…”

Section: Discussionmentioning

confidence: 99%

A Novel Simple Internet-Based System for Real Time Monitoring and Optimizing Home Mechanical Ventilation

Dellacà

Gobbi

Govoni

et al. 2009

2009 International Conference on eHealth, Telemedicine, and Social Medicine

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The dissemination of the available telemedicine systems for the optimization of home mechanical ventilation (HMV) is prevented by the need of complex infrastructures. We developed a device which, once connected to Internet through the mobile phone network, allows an authorized physician connected to Internet to monitor the ventilator signals and modify the settings in real-time without the need of external data servers. The system was evaluated during experiments performed by tele-controlling a mechanical ventilator in Barcelona from Milano. A bench study verified the reliability and robustness of the system while an in-vivo test showed that it was possible to monitor and tele-control the ventilator to maintain the oxygen saturation of a rat ventilated in Barcelona subjected to interventions. Given that the system avoids the need for any complex telemedicine architecture and allows an individual and independent ventilator tele-control, it can be a new helpful tool to optimize HMV.Home mechanical ventilation, non-invasive mechanical ventilation, telemedicine.

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“…Si estos sistemas simplificados demuestran su utilidad supondrán un cambio importantísimo en el proceso de diagnóstico del SAHS, dado que puede suponer la implicación directa de los médicos de atención primaria tanto en el diagnóstico como en el tratamiento y control de los pacientes con SAHS, lo que podría favorecer y agilizar el diagnóstico y tratamiento de los pacientes. Es importante destacar que en España ya existen experiencias positivas en este sentido [60][61].…”

Section: Sistemas Supersimplificadosunclassified

Diseño e implementación de dos dispositivos biomédicos para pacientes con Síndrome de Apnea Obstructiva del Sueño (SAOS) basados en la detección de apneas e hipopneas y rehabilitación por medio de estimulación eléctrica

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Management of Sleep Apnea

Cited by 16 publications

References 27 publications

Sleep Breathing Flow Characteristics as a Sign for the Detection of Wakefulness in Patients with Sleep Apnea

Sleep Breathing Flow Characteristics as a Sign for the Detection of Wakefulness in Patients with Sleep Apnea

A Novel Simple Internet-Based System for Real Time Monitoring and Optimizing Home Mechanical Ventilation

Diseño e implementación de dos dispositivos biomédicos para pacientes con Síndrome de Apnea Obstructiva del Sueño (SAOS) basados en la detección de apneas e hipopneas y rehabilitación por medio de estimulación eléctrica

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