Clinical Effects of Intraoperative Heat and Moisture Exchange Systems During Thoracic Surgery: A Prospective Observational Cohort Study
Recruiting now
Conditions studied: Video Assisted Thoracic Surgery (VATS), Postoperative Complications, Pulmonary Complications in Surgical Patients, Humidification, Air Conditioning
In brief
General anesthesia with endotracheal intubation bypasses the physiological warming and humidification functions of the upper airway, allowing cold and dry gases to reach the lower respiratory tract. This may impair mucociliary clearance, increase secretion viscosity, promote atelectasis, and contribute to postoperative pulmonary complications (PPCs). Patients undergoing thoracic surgery, particularly those requiring one-lung ventilation (OLV), are at increased risk for PPCs because of altered ventilation-perfusion matching, reduced functional residual capacity, and impaired secretion clearance. Although respiratory gas humidification is routinely used during anesthesia, evidence regarding the comparative clinical effects of active heated humidification (AHH) and passive heat and moisture exchangers (HMEs) during thoracic surgery remains limited. This prospective observational cohort study aims to evaluate the association between intraoperative respiratory gas humidification methods and postoperative pulmonary complications and perioperative clinical outcomes in adult patients undergoing elective video-assisted thoracoscopic surgery (VATS).
Key facts
- Study ID
- NCT07729319
- Run by
- Marmara University
- People needed
- 200
- Starts
- 2026-07-25
- Expected to finish
- 2027-04-01
- Last updated by the study team
- 2026-07-27
Who can join
Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Patients aged 18 to 75 years
- Elective video-assisted thoracoscopic surgery (VATS)
- Lung resection requiring general anesthesia
- Planned one-lung ventilation
- Written informed consent
You may not qualify if…
- Emergency surgery
- Pregnancy
- Preoperative mechanical ventilation
- Previous enrollment
- Refusal to participate
Where it is running
- Marmara University — Istanbul, Istanbul, Turkey (Türkiye) (enrolling)
Full record on ClinicalTrials.gov
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