• 한국임상수의학회지
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• 제33권1호
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• pp.6-9
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• 2016

Bronchoarterial (BA) ratio is a commonly used criterion to define airway dilatation despite the lack of normative human and animals. The objective of our study was to compare the range of normal bronchial to accompanying arterial diameter ratio with previous reports on CT scan of the thorax in dogs and assess influence anesthetics on BA ratio in dogs. Dogs undergoing multidetector CT scan of the chest for nonpulmonary conditions at a single center were prospectively identified. High-resolution reconstruction was performed on those included and both airway lumen and vessel diameters were measured in the lobar bronchi of the left cranial (cranial and caudal parts), right cranial, right middle, left caudal, and right caudal lung lobes. Eight dog were included; Mean of the mean BA ratios was $1.43{\pm}0.24$ (95% CI = 1.36 - 1.50) in inhalation anesthetic group. In propofol group, the mean of the mean BA ratios was $1.13{\pm}0.29$ (95% CI = 1.04 - 1.22). In medetomidine group, the mean of the mean BA ratios was $0.89{\pm}0.19$ (95% CI = 0.83 - 0.95). Comparing individual lobes within anesthetic category, there was no signicant difference in mean BA ratio between lung lobes or between dog according to inhalation, propofol, and medetomidine group (P = 0.630, P = 0.878, and P = 0.508, respectively). The BA ratio in these clinically normal dogs was consistent and may be a useful tool in evaluating for bronchiectasis on CT images. However, some different criteria for bronchiectasis were applied by the anesthetic methods.

• 한국임상수의학회지
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• 제32권6호
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• pp.523-526
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• 2015

9년령의 중성화한 말라뮤트가 만성 기침 증상으로 내원하였다. 흉부 컴퓨터단층촬영상에서 말초 기관지가 확장된 모습으로 관찰되었다. 기관내강과 폐동맥 직경 비율은 약 2.2로 정상보다 큰 비율을 나타내었다. 확장된 기관지들은 특히 좌측 전엽과 후엽, 우측 중엽에서 포도송이 모양과 같은 형태를 보였다. 이러한 컴퓨터단층촬영 소견들을 바탕으로 낭상 기관지 확장증을 진단하였다.