Lung Function in Bariatric Surgery Candidates

The Impact of Body Mass Index on Lung Function in Bariatric Surgery Candidates

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06421168

Enrollment

1834

Registered

2024-05-20

Start date

2017-09-01

Completion date

2023-12-31

Last updated

2024-05-20

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

Conditions

Lung Function Decreased, Obesity

Brief summary

This study aims to retrospectively investigate the impact of body mass index on lung function metrics, e.g. FEV1%, FVC%, FEV1/FVC%.

Interventions

None listed

Study design

Observational model

CASE_CROSSOVER

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

16 Years to No maximum

Inclusion criteria

* Subjects with obesity (BMI ≥ 27.5 kg/m2 according to Chinese guidelines, guidelines from the American Society for Metabolic and Bariatric Surgery and International Federation for the Surgery of Obesity and Metabolic Disorders); * Age \> 16 years; * Complete preoperative pulmonary function tests

Exclusion criteria

* Patients with a history of lung surgery and/or respiratory diseases (e.g. asthma, pulmonary emphysema, and interstitial pulmonary fibrosis).

Design outcomes

Primary

Measure	Time frame	Description
FEV1, FVC, FEV1/FVC% in class 1, 2, and 3 obesity	At the time of pulmonary function testing	Class 1 obesity: 27.5 kg/m2 \< body mass index \< 32.5 kg/m2; Class 2 obesity: 32.5 kg/m2 \< body mass index \< 37.5 kg/m2; Class 2 obesity: body mass index \> 37.5 kg/m2.

Countries

China

Outcome results