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1.
Vet J ; 251: 105350, 2019 Sep.
Article in English | MEDLINE | ID: mdl-31492387

ABSTRACT

Gallbladder mucocele (GBM) is a common extra-hepatic biliary syndrome in dogs with death rates ranging from 7 to 45%. Therefore, the aim of this study was to identify the association of survival with variables that could be utilized to improve clinical decisions. A total of 1194 dogs with a gross and histopathological diagnosis of GBM were included from 41 veterinary referral hospitals in this retrospective study. Dogs with GBM that demonstrated abnormal clinical signs had significantly greater odds of death than subclinical dogs in a univariable analysis (OR, 4.2; 95% CI, 2.14-8.23; P<0.001). The multivariable model indicated that categorical variables including owner recognition of jaundice (OR, 2.12; 95% CI, 1.19-3.77; P=0.011), concurrent hyperadrenocorticism (OR 1.94; 95% CI, 1.08-3.47; P=0.026), and Pomeranian breed (OR, 2.46; 95% CI 1.10-5.50; P=0.029) were associated with increased odds of death, and vomiting was associated with decreased odds of death (OR, 0.48; 95% CI, 0.30-0.72; P=0.001). Continuous variables in the multivariable model, total serum/plasma bilirubin concentration (OR, 1.03; 95% CI, 1.01-1.04; P<0.001) and age (OR, 1.17; 95% CI, 1.08-1.26; P<0.001), were associated with increased odds of death. The clinical utility of total serum/plasma bilirubin concentration as a biomarker to predict death was poor with a sensitivity of 0.61 (95% CI, 0.54-0.69) and a specificity of 0.63 (95% CI, 0.59-0.66). This study identified several prognostic variables in dogs with GBM including total serum/plasma bilirubin concentration, age, clinical signs, concurrent hyperadrenocorticism, and the Pomeranian breed. The presence of hypothyroidism or diabetes mellitus did not impact outcome in this study.


Subject(s)
Dog Diseases/diagnosis , Gallbladder Diseases/veterinary , Hyperbilirubinemia/veterinary , Mucocele/veterinary , Adrenocortical Hyperfunction/veterinary , Animals , Bilirubin/blood , Biomarkers , Dog Diseases/mortality , Dog Diseases/surgery , Dogs , Gallbladder Diseases/diagnosis , Gallbladder Diseases/mortality , Gallbladder Diseases/surgery , Genetic Predisposition to Disease , Hyperlipidemias/veterinary , Mucocele/diagnosis , Mucocele/mortality , Mucocele/surgery , Retrospective Studies , Treatment Outcome
2.
J Vet Intern Med ; 32(1): 195-200, 2018 Jan.
Article in English | MEDLINE | ID: mdl-29205503

ABSTRACT

BACKGROUND: Gallbladder mucocele (GBM) is an increasingly recognized extrahepatic biliary disease in dogs. OBJECTIVES: To investigate cases of GBM and identify variables associated with survival and the sensitivity and specificity of ultrasonography to identify gallbladder rupture. ANIMALS: Two hundred and nineteen client-owned dogs with GBM. METHODS: Multicenter, retrospective study of dogs with GBM, presented from January 2007 to November 2016 to 6 academic veterinary hospitals in the United States. Interrogation of hospital databases identified all cases with the inclusion criteria of a gross and histopathologic diagnosis of GBM after cholecystectomy and intraoperative bacteriologic cultures of at least 1 of the following: gallbladder wall, gallbladder contents, or abdominal effusion. RESULTS: Two hundred and nineteen dogs fulfilled the inclusion criteria. Dogs with GBM and gallbladder rupture with bile peritonitis at the time of surgery were 2.7 times more likely to die than dogs without gallbladder rupture and bile peritonitis (P = 0.001; 95% confidence interval [CI], 1.50-4.68; n = 41). No significant associations were identified between survival and positive bacteriologic cultures, antibiotic administration, or time (days) from ultrasonographic identification of GBM to the time of surgery. The sensitivity, specificity, positive, and negative likelihood ratios for ultrasonographic identification of gallbladder rupture were 56.1% (95% CI, 39.9-71.2), 91.7% (95% CI, 85.3-95.6), 6.74, and 0.44, respectively. CONCLUSION AND CLINICAL IMPORTANCE: Dogs in our study with GBM and intraoperative evidence of gallbladder rupture and bile peritonitis had a significantly higher risk of death. Additionally, abdominal ultrasonography had low sensitivity for identification of gallbladder rupture.


Subject(s)
Dog Diseases/diagnostic imaging , Gallbladder Diseases/veterinary , Mucocele/veterinary , Animals , Dog Diseases/mortality , Dog Diseases/pathology , Dogs , Female , Gallbladder Diseases/diagnostic imaging , Gallbladder Diseases/mortality , Gallbladder Diseases/pathology , Male , Mucocele/diagnostic imaging , Mucocele/mortality , Mucocele/pathology , Retrospective Studies , Rupture, Spontaneous/diagnostic imaging , Rupture, Spontaneous/veterinary , Sensitivity and Specificity , Ultrasonography/veterinary
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