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Effects of Air Pollution on Cardiopulmonary Disease in Urban and Peri-urban Residents in Beijing

Effects of Air Pollution on Cardiopulmonary Disease in Urban and Peri-urban Residents in Beijing

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900023693
Enrollment
Unknown
Registered
2019-06-07
Start date
2016-06-18
Completion date
Unknown
Last updated
2019-06-11

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

Conditions

Hypertension

Interventions

Health group versus hypertension group:Nil

Sponsors

College of Environmental Sciences and Engineering, Peking University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
55 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1) Aged between 55 and 70 years; 2) The residence distance is less than 5 km from the fixed monitoring station; 3) The gender ratio of the population should be balanced as far as possible; 4) The urban and peri-urban population included 60 healthy subjects and 60 clinically diagnosed hypertension patients.

Exclusion criteria

Exclusion criteria: 1) Smokers and people who quit smoking for less than three years; 2) History of diseases that may affect endothelial function, such as previous history of cardiovascular and cerebrovascular diseases (ischemic heart disease such as myocardial infarction, stroke, arrhythmia, pacemaker use, and other cardiovascular diseases in anticoagulation therapy); history of diseases that may cause secondary hypertension, such as aortic coarctation, hypersaline Corticosteroid disease, unilateral kidney disease, pheochromocytoma, and thrombotic microangiopathy and vasculitis caused by various causes; 3) Secondary dyslipidemia: alcoholism, autoimmune diseases, nephrotic syndrome, viral or non-viral hepatitis (clinical active status within 12 months prior to the study), obstructive hepatobiliary diseases, macroglobulinemia/hemoglobulin abnormalities, multiple myeloma, glycogen storage disease, uncontrolled hyperthyroidism/hypothyroidism, etc. Chronic pancreatitis and porphyria, etc.; 4) Possibly affecting serum proinflammatory factors, such as bacterial or viral infections or surgery, lymphoma/leukemia, etc. within two weeks before clinical examination; 5) suffering from progressive diseases, such as immune system diseases, type 1 diabetes mellitus, renal failure, etc.

Design outcomes

Primary

MeasureTime frame
blood pressure;Blood oxygen saturation;Endothelial function;pulmonary function;

Countries

China

Contacts

Public ContactTONG ZHU

College of Environmental Sciences and Engineering, Peking University

tzhu@pku.edu.cn86-10-62754789

Outcome results

None listed

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