Skip to content

Assessment of Open versus Closed Tracheal Suctioning and Discrimination of Airway Colonizers from Pathogens in Mechanically Ventilated Patients

Assessment of Open versus Closed Tracheal Suctioning and Discrimination of Airway Colonizers from Pathogens in Mechanically Ventilated Patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500105587
Enrollment
Unknown
Registered
2025-07-07
Start date
2025-07-14
Completion date
Unknown
Last updated
2025-07-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Respiratory Distress Syndrome

Interventions

Observation group:Closed suctioning
Control group:Open suctioning

Sponsors

The Third Medical Center of Chinese PLA General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1.ARDS patients diagnosed according to the Berlin Definition, who meet the following diagnostic criteria: (1)Onset time: Time from known clinical injury and new or worsening respiratory symptoms to meeting the diagnostic criteria, =5 cmH2O,2 00 mmHg=5 cmH2O, 100 mmHg=5 cmH2O, PaO2/FiO210^7cfu/ml 2)Criteria for identifying colonizing bacteria: Positive sputum culture and meeting three of the following conditions: a. The diagnosis of lower respiratory tract infection is not sufficient b. The diagnosis of lower respiratory tract infection is clear but treatment is ineffective based on the results of antibiotic susceptibility testing c. Negative observation of immunopathological phenomena in sputum d. The concentration of bacteria isolated in sputum culture is between 10^3cfu/ml and 10^7cfu/ml 2.PEEP level: 5<=PEEP<10cmH2O 3.18 years<=age<=85 years and the patient has signed the informed consent form.

Exclusion criteria

Exclusion criteria: 1.PEEP>=10cmH2O or PEEP85 years 3.Pregnant women, patients with implanted cardiac pacemakers, patients with chest trauma or skin lesions that restrict the placement of chest straps, patients with pneumothorax and patients in the terminal stage.

Design outcomes

Primary

MeasureTime frame
Heart rate;Systolic blood pressure;Cardiac output;Central venous pressure;Tidal volume;Minute ventilation;?EELI;Plateau pressure;Mean airway pressure;Pulse oximetry saturation;Partial pressure of oxygen in arterial blood;PaO2/FiO2;Diastolic blood pressure;Cardiac index;Pulmonary artery diameter;Driving pressure;Static respiratory system compliance;Partial pressure of carbon dioxide in arterial blood;

Secondary

MeasureTime frame
Pathogen results;Rate of multidrug-resistant pathogens;Antibiotic usage;Nebulization;Continuous Renal Replacement Therapy;Mechanical ventilation duration ;ICU length of stay;Clinical outcome;

Countries

China

Contacts

Public ContactYang Jun

The Third Medical Center of Chinese PLA General Hospital

yangjun@301hospital.com.cn+86 136 4121 0331

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026