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Label-free Neutrophil Enrichment from Patient-derived Airway Secretion Using Closed-loop Inertial Microfluidics
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Microbiological contamination in home continuous positive airway pressure (CPAP) devices. Study protocol

Verónica López-García1,2, David Peña-Otero3,4, Gregoria Megías-Lobón5

  • 1Multidisciplinary Sleep and Ventilation Unit J. Terán Santos. University Hospital of Burgos. Address. Street: Galería Comercial HUBU, Av. Islas Baleares, 3, 09006 Burgos, Spain.

Methodsx
|June 12, 2026
PubMed

Insights

This study investigated bacterial and fungal contamination in home CPAP devices. Findings aim to improve hygiene strategies and reduce respiratory infection risks for patients using respiratory therapy equipment.

Area of Science:

  • Respiratory Medicine
  • Infectious Diseases
  • Microbiology

Background:

  • Home mechanical ventilation, particularly continuous positive airway pressure (CPAP), is vital for conditions like obstructive sleep apnea and its usage is increasing.
  • A potential link between inadequate CPAP equipment hygiene and respiratory infections is suspected, though not fully understood.
  • Healthcare-associated infections are a significant concern, with a known 30% being preventable.

Purpose of the Study:

  • To quantify the levels of bacterial and fungal contamination in commonly used home CPAP devices.
  • To identify critical points of contamination within CPAP equipment.
  • To gather data for improving prevention strategies, patient education, and nursing care related to home respiratory therapy.

Main Methods:

  • A prospective, cross-sectional study involving 25 patients on home CPAP therapy for at least six months.
  • Microbiological sampling from key CPAP device components: housing, tubing, filter, interface, and humidifier.
  • Analysis conducted at a certified microbiology department, alongside collection of clinical and patient health data.

Main Results:

  • This section is to be filled once the study results are available.

Conclusions:

  • This research will provide crucial data on CPAP device contamination.
  • Findings are expected to inform enhanced hygiene protocols and patient education to mitigate infection risks.
  • The study aims to contribute to reducing the incidence of respiratory infections associated with home mechanical ventilation.
Keywords:
Clinical protocolsEquipment and suppliesEquipment maintenanceHome care services, hospital-basedInfection controlRespiratory therapyRespiratory tract infections

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