Prevalence of Gallbladder Retention in Dogs as Assessed by Ultrasonography

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  • 腹部超音波検査による犬胆嚢内貯留物の発生状況
  • フクブ チョウオンパ ケンサ ニ ヨル イヌ タンノウナイ チョリュウブツ ノ ハッセイ ジョウキョウ

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Abstract

Among dogs presented to a general veterinary clinic, 214 dogs consisting of 114 males and 100 females were randomly selected and examined for gallbladder retention using an ultrasonic diagnostic equipment. Gallbladder retention was observed in 20 of the 214 dogs (9.3%), which consisted of five out of 87 healthy dogs (5.7%) and 15 out of 127 diseased dogs (11.8%). The 15 diseased dogs with gallbladder retention included four out of six dogs with hypothyroidism (67%), four out of eight dogs with hepatic and/or cystic diseases (50%), and one out of three dogs with pancreatitis (33%). Gallbladder retention was found as fixed gallbladder sludge and cystomyxoma-like gallbladder sludge in three (15%) and four (20%) of the 20 dogs, respectively. Examining the mean age of dogs with gallbladder retention by type showed that it was highest at 13.7 years old for cystomyxoma-like gallbladder sludge, followed by 11.8 for fixed gallbladder sludge and 7.6 years old for movable gallbladder sludge. The mean age of dogs with gallbladder retention tended to be higher than that of dogs without retention. Aging and having a disease may be involved in the development of gallbladder retention in dogs.

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