CHEST Guidelines-Long-Term-Noninvasive-Ventilation-in-the-Geneva-La (1)

Long-Term-Noninvasive-Ventilation-in-the-Geneva-La (1)

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The study "Long-Term Noninvasive Ventilation in the Geneva Lake Area" examines the changes in usage, prevalence, and indications for noninvasive ventilation (NIV) over 15 years in a population from Geneva and Vaud, Switzerland. Noninvasive ventilation, a common treatment for chronic hypercapnic respiratory failure, has seen evolving technology and growing adoption. The study aims to present comprehensive data on the characteristics of patients using NIV, including their age, comorbidities, ventilation techniques, devices, compliance, and outcomes.<br /><br />Conducted as a cross-sectional observational study, it included 489 patients on long-term NIV. The prevalence of NIV usage had increased 2.5-fold since 2000, reaching 38 per 100,000 people. The median age of patients was 71 years, with a significant portion over 75, who had been using NIV for an average of 39 months and suffered from about three comorbidities. Most were obese, with Chronic Obstructive Pulmonary Disease (COPD) being the primary condition treated, followed by Obesity Hypoventilation Syndrome (OHS). The study highlighted the increased utilization of bilevel positive pressure ventilators, primarily in spontaneous/timed mode. NIV initiation was commonly hospital-based, with elective starts being half as frequent as emergency initiations.<br /><br />The study indicates that NIV user demographics have shifted towards older, often overweight populations with multiple health issues. The continued evolution in ventilator technology, modes, and usages indicates a shift in both clinical practices and patient monitoring methods. Key observations include the necessity for comprehensive data collection from ventilator software to improve regulatory compliance and optimize treatment. Overall, the study underscores the significant growth and adaptation in NIV use reflective of the changing patient profiles it serves.

Keywords

Noninvasive Ventilation

Geneva Lake Area

Chronic Hypercapnic Respiratory Failure

Patient Characteristics

Ventilation Technology

Bilevel Positive Pressure Ventilators

Chronic Obstructive Pulmonary Disease

Obesity Hypoventilation Syndrome

Cross-Sectional Observational Study

Long-Term NIV Usage