Cholecystectomy Performed in 50 Dogs with Gallstones

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  • 胆石を認め胆囊切除術を実施した犬50症例における臨床検査所見と手術成績
  • タンセキ オ ミトメ タンノウ セツジョジュツ オ ジッシ シタ イヌ 50 ショウレイ ニ オケル リンショウ ケンサ ショケン ト シュジュツ セイセキ

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Abstract

A retrospective study was conducted in 50 dogs with gallstones that were surgically removed at our hospital. Most of the dogs were middle-aged and elderly; however, 10% were less than one year old. The gallstones consisted of calcium carbonate, which was the major component, bilirubin calcium, proteins, fatty acid calcium, cholesterol, and calcium phosphate. The incidence of bile positive microorganisms was 31%. In all cases, additional complications or certain underlying diseases were observed through a histopathological examination. The overall postoperative mortality rate was 10%, with 13 cases being asymptomatic. In 16 cases with extrahepatic biliary obstruction (EHBO) complications, the postoperative mortality rate was 25%, and in 34 cases with no EHBO, the postoperative mortality rate was 3%. The presence of EHBO was considered to be one of the main factors for the increase in the postoperative mortality rate. If there is a risk of rupture of the gallbladder and cholecystitis, which may be due to gallstones or EHBO as observed in more than 30% of cases with underlying diseases observed by us, this method may be used as an alternative to surgical treatment in asymptomatic cases with gallstones.

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