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. 2019 Feb;60(2):167-173.

Evaluation of risk factors for mortality in dogs with lung lobe torsion: A retrospective study of 66 dogs (2000-2015)

Shannon H Wainberg  1 , Brigitte A Brisson  1 , Stephanie N Reabel  1 , Jennifer Hay  1 , Galina Hayes  1 , Cindy L Shmon  1 , Kim Murphy  1 , William Sears  1
Affiliations

Evaluation of risk factors for mortality in dogs with lung lobe torsion: A retrospective study of 66 dogs (2000-2015)

Shannon H Wainberg et al. Can Vet J. 2019 Feb.

Abstract
in English, French

The objectives of this retrospective case series study were to describe a group of 66 dogs with lung lobe torsion (LLT) and to investigate the incidence of complications and risk factors for mortality and overall outcome in this population. Sixty-six dogs with LLT from 3 independent academic institutions were investigated. Information on signalment, history, clinical findings, and interventions was obtained. Associations with mortality outcome were examined via logistic regression. Dogs with a depressed mentation at presentation were 21 times more likely to die than dogs with normal mentation [P = 0.008, 95% confidence interval (CI) = 1.949 to 579.904]. The overall odds of mortality were increased by 18% for each unit change in Acute Patient Physiologic and Laboratory Evaluation (APPLEfast) score (P = 0.04, 95% CI = 0.998 to 1.44). No other clinical abnormalities correlated with outcome.

Évaluation des facteurs de risque pour la mortalité chez les chiens souffrant d’une torsion du lobe pulmonaire : étude rétrospective de 66 chiens (2000–2015). Les objectifs de cette étude rétrospective d’une série de cas consistaient à décrire un groupe de 66 chiens ayant une torsion du lobe pulmonaire (TLP) et d’investiguer l’incidence de complications et les facteurs de risque pour la mortalité et les résultats généraux chez cette population. Soixante-six chiens atteints de TLP provenant de trois établissements universitaires indépendants ont été étudiés. Des données ont été obtenues sur le signalement, les résultats cliniques et les interventions. Les associations avec les résultats de mortalité ont été examinées via la régression logistique. Il était 21 fois plus probable que les chiens ayant un état mental déprimé à la présentation meurent que les chiens ayant un état mental normal (P = 0,008, intervalle de confiance [IC] de 95 % = de 1,949 à 579,904). Les probabilités globales de mortalité augmentaient de 18 % pour chaque unité de changement selon la note Acute Patient Physiologic and Laboratory Evaluation (APPLEfast) (P = 0,04, IC de 95 % = de 0,998 à 1,44). Aucune autre anomalie clinique n’offrait de corrélation avec les résultats.(Traduit par Isabelle Vallières).

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Figures

Figure 1
Figure 1
Canine Acute Patient Physiologic and Laboratory Evaluation (APPLEfast) score. The score was calculated by summing the value in the upper left corner of the appropriate cell for each of the 5 parameters listed, with a maximum potential score of 50.
Figure 2
Figure 2
Outcome of dogs (n = 60) based on mentation at time of presentation.
Figure 3
Figure 3
Logistic regression of survival versus APPLEfast.
See this image and copyright information in PMC

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