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The Impact of Bronchiectasis with Hypercapnia on Right Ventricular Function and Structure and the Prognostic Value of Right Heart Parameters: A Multicenter, Prospective, Observational Study

The Impact of Bronchiectasis with Hypercapnia on Right Ventricular Function and Structure and the Prognostic Value of Right Heart Parameters: A Multicenter, Prospective, Observational Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500112218
Enrollment
Unknown
Registered
2025-11-11
Start date
2025-11-15
Completion date
Unknown
Last updated
2025-11-17

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

Conditions

Bronchiectasis

Interventions

The Bronchiectasis with Hypercapnia Group:N/A
The Bronchiectasis without Hypercapnia Group:N/A

Sponsors

The First Affiliated Hospital of Ningbo University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Inclusion criteria for the bronchiectasis with hypercapnia group (exposure group): 1) Age of 18 years or older, with no restrictions on gender and race; 2) Have a clinical history of bronchiectasis and be diagnosed as bronchiectasis by researchers through HRCT, and confirmed by at least two independent radiologists; 3) Be in the acute exacerbation stage and, at sea level and breathing indoor air, the arterial blood gas analysis shows that the arterial blood carbon dioxide partial pressure (PaCO2) is >= 45 mmHg; 4) Be admitted within 72 hours after the onset of the disease; 5) Be able to independently complete the necessary arterial blood gas analysis, pulmonary function, TTE and other auxiliary examinations for the trial; 6) Voluntarily join this study, be able to independently communicate through language or writing, and be able to understand and sign the contents of the patient's informed consent form. (2) Inclusion criteria for the bronchiectasis without hypercapnia group (control group): 1) Age of 18 years or older, with no restrictions on gender and race; 2) Have a clinical history of bronchiectasis and be diagnosed as bronchiectasis by researchers through HRCT, and confirmed by at least two independent radiologists; 3) Be in the acute exacerbation stage and, at sea level and breathing indoor air, the arterial blood gas analysis shows that the arterial blood carbon dioxide partial pressure (PaCO2) is < 45 mmHg; 4) Be admitted within 72 hours after the onset of the disease; 5) Be able to independently complete the necessary arterial blood gas analysis, pulmonary function, TTE and other auxiliary examinations for the trial; 6) Voluntarily join this study, be able to independently communicate through language or writing, and be able to understand and sign the contents of the patient's informed consent form.

Exclusion criteria

Exclusion criteria: (1) Include other systemic diseases that may cause hypercapnia or affect prognosis: 1) Active pulmonary tuberculosis, lung cancer, pulmonary fibrosis, large pleural effusion, etc.; 2) Diagnosed as idiopathic pulmonary hypertension by right heart catheterization; 3) Moderate to severe aortic valve, mitral valve, tricuspid valve and pulmonary valve heart diseases (in accordance with international guidelines); (2) Include severe organ dysfunction or systemic diseases: 1) Had a history of left heart failure before enrollment; 2) Severe liver or kidney dysfunction (Child-Pugh grade C; or estimated glomerular filtration rate eGFR < 30 mL/min/1.73m²); 3) End-stage disease (such as expected life < 6 months); (3) Other exclusion criteria: 1) Age < 18 years; 2) Pregnant or lactating women; 3) Patients participating in other interventional clinical trials; 4) Any situation that cannot cooperate with the completion of study follow-up (such as mental disorder, long-term residence in another place, etc.); 5) Unable or refusing to provide informed consent.

Design outcomes

Primary

MeasureTime frame
Tricuspid Regurgitation Gradient;

Secondary

MeasureTime frame
Pulmonary Artery Systolic Pressure (PASP);BNP;Right Ventricular Diameter;Right Atrial Pressure (RAP);Interventricular Septal Thickness;Days alive and out of hospital(DAOH);Right Atrial Area;Left Ventricular Diameter;Left Ventricular to Right Ventricular Size Ratio;Tricuspid Annular Plane Systolic Excursion(TAPSE);

Countries

China

Contacts

Public ContactCao Chao

The First Affiliated Hospital of Ningbo University

caocdoctor@163.com+86 574 87085233

Outcome results

None listed

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