Ultrasonographic modeling of lung and diaphragm mechanics: clinical trial of a novel non-invasive method to evaluate pre-operative pulmonary function
2024

Ultrasonographic Modeling of Lung and Diaphragm Mechanics

Sample size: 208 publication 10 minutes Evidence: high

Author Information

Author(s): Li Tianyuan, Wu Xiong-zhi, Long Dingde, Fu Huan, Guo Suping, Liu Fen

Primary Institution: The First Affiliated Hospital, Jiangxi Medical College, Nanchang University

Hypothesis

Can a novel approach using ultrasound improve the assessment of pre-operative pulmonary function?

Conclusion

The U-score from lung and diaphragm ultrasound may help estimate pulmonary function in patients unable to participate in traditional tests.

Supporting Evidence

  • The U-score showed a significant negative correlation with FEV1/FVC.
  • Diaphragm thickness fraction and LUS score were independently associated with pulmonary function.
  • The U-score had a higher area under the curve compared to other indices for assessing pulmonary function.

Takeaway

Doctors can use special ultrasound tests to check how well your lungs work without needing you to do complicated breathing tests.

Methodology

This was a prospective study where patients underwent pulmonary function tests, lung ultrasound, and diaphragm ultrasound to develop a mathematical model for assessing lung function.

Potential Biases

Potential bias due to the operator-dependent nature of ultrasound assessments.

Limitations

The study was single-center, operator-dependent, and excluded patients with a BMI over 35, which may limit generalizability.

Participant Demographics

Patients aged over 18 undergoing elective surgery.

Statistical Information

P-Value

p<0.001

Confidence Interval

[0.83–0.94]

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.7717/peerj.18677

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