A clinical appraisal of thoracic disorders in dogs
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Date
2023-02-06
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CSK HPKV, Palampur
Abstract
The present study was done with the objectives of a clinical appraisal of the diagnosis and
management of thoracic disorders in dogs and to record prevalence of thoracic disorders in
dogs. The dogs suspected of thoracic disorders underwent detailed clinical, laboratory, and
radiological examination and the disorders were categorized based upon their anatomical
location into 4 types; disorders of the extra thoracic area, the parenchyma, the pleural space, and
the mediastinum. Lung patterns which were associated with different thoracic disorders found
in this study were; alveolar, interstitial, bronchial, vascular and mixed. Alveolar pattern was the
most common lung pattern followed by interstitial and bronchial pattern. The air bronchograms
were the most common radiographic feature identified in all cases of alveolar pattern (100%),
followed by lobar sign (62.5%) and silhouette effect (79.1%). In the bronchial pattern ‘Dough
nut’ sign was the most predominant radiographic feature and was present in all 10 cases (100%)
while ‘tram lines’ was seen in only 3 cases (30%). Structured miliary interstitial pattern was
observed in 3 (13.6%), nodular in 9 (40.9%), masses in 6 (27.7%), and cavitary lesion in
1(4.5%) dog. Disorders of lung parenchyma comprised 52.6% of overall thoracic disorders
followed by mediastinum and pleural space The overall regional incidence of thoracic disorders
in dog was 4.05% with higher incidence rate in males (4.14%) than females (3.8%). %).
Majority of disorders were found in the senile group (52.7%) followed by adults (38.8%) and
juvenile (13.1%) and lung tumours were the predominant thoracic disorder (23.6%) followed by
pneumonia (18.42%), cardiomegaly (17.1), and pneumothorax and bronchitis (7.89% each).