The Screening and Diagnostic Value of Posterior Lung Field Angles on Abnormal Pulmonary Function | [Pakistan Journal of Zoology • 2024]

Author(s):

1. Zhimin Wu: Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China; Huazhong Agricultural University Veterinary Education Hospital, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China.

2. Yaping Yang: Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University,Wuhan 430070,People's Republic of China

3. Arshad Zahoor: Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University,Wuhan 430070,People's Republic of China

4. Aftab Shaukat: Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University,Wuhan 430070,People's Republic of China

5. Ganzhen Deng: Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China; Huazhong Agricultural University Veterinary Education Hospital, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China.

Abstract:

A B S T R A C T Radiography has been applied widely in clinical diagnosis of canine pulmonary diseases for the sensitive and direct perception to the abnormal changes. Due to few of relevant reports about diferent measurement methods and indexes, the simple radiographic findings are dificult to be used in accurate clinical evaluation. This test aimed to develop a radiographic method of comparing canine posterior lung field angles include vertebrophrenic angle (cranial), vertebrophrenic angle (caudal), sterno-diaphragmatic angle, costophrenic angle (left), costophrenic angle (right) to identify whether pulmonary disordered. Meanwhile this method also introduced the indexes of thorax, such as height, width and their ratio which were measured and/ or calculated for further normalizing the diferential indexes. Healthy pulmonary radiographies (n=76) were selected to scale the normal parameter threshold, and patients with respiratory diseases and obvious clinical syndromes (n=57) were selected as trials to evaluate and confirm the availability of these indexes for the diagnosis of canine pulmonary function. The most valuable indexes for the clinical diagnosis of abnormal pulmonary function were selected with correlation analysis and single factor analysis of variance. The posterior lung field angles and the thoracic indexes showed no correlation in both healthy group and unhealthy group (r0.05). Only vertebrophrenic angle (cranial) and vertebrophrenic angle (caudal) in all angles measured significantly difered in healthy group versus unhealthy group (p<0.01).

Page(s): 331-337

DOI: 10.17582/journal.pjz/20190810140830

Published: Journal: Pakistan Journal of Zoology, Volume: 56, Issue: 1, Year: 2024

Keywords:

Radiography , Canine , Thorax index , Posterior lung field angles parameter , Posterior lung field angles

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