Determining the normal diameter of cystic and common bile ducts in adult German Shepherd dogs by ultrasonography method
محورهای موضوعی : رادیولوژی و اولتراسونوگرافی
Samin Ziadlou
1
,
Siamak Alizadeh
2
,
Mohammadreza Hosseinchi
3
1 - Department of Clinical Sciences, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran
2 - Department of Veterinary Medicine, Naghadeh Branch, Islamic Azad University, Naghadeh, Iran
3 - Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran
کلید واژه: Common bile duct, Cystic duct, German Shepherd dog, Ultrasonography,
چکیده مقاله :
The current study aimed to evaluate the normal diameter size of cystic and common bile ducts by ultrasound method in adult German Shepherd dogs with 95% confidence to be used in the interpretation of results and clinical decisions. In this cross-sectional descriptive study used 12 adult German Shepherd dogs (6 males and 6 females) with an average weight of 24.37±3.65 kg and a mean age of 2.40 ± 0.495 years. Ultrasonography of these dogs were obtained from dorsoventral, left and right lateral recumbency in the inspiration phase of the animal's breathing. Anatomical studies were performed following anesthesia and during surgery of each dog. According to the results of this study, the mean diameter of the cystic duct in gallbladder level was 4.17 ± 0.58 mm, and the mean diameter of the common bile duct in the hepatis porta and major duodenal papilla levels were 3.23 ± 0.48 and 3.14 ± 0.63 mm, respectively. The diameter of the cystic duct in the gallbladder level is greater in males than in females, and the mean diameter of the common bile duct in the hepatis porta and major duodenal papilla levels is larger in females than in males but the differences are not significant (p>0.05). The findings obtained in this study can be utilized to interpret the findings and clinical decisions about the normal and abnormal size of the diameter of the cystic and the common bile duct in adult German Shepherd dogs.
The current study aimed to evaluate the normal diameter size of cystic and common bile ducts by ultrasound method in adult German Shepherd dogs with 95% confidence to be used in the interpretation of results and clinical decisions. In this cross-sectional descriptive study used 12 adult German Shepherd dogs (6 males and 6 females) with an average weight of 24.37±3.65 kg and a mean age of 2.40 ± 0.495 years. Ultrasonography of these dogs were obtained from dorsoventral, left and right lateral recumbency in the inspiration phase of the animal's breathing. Anatomical studies were performed following anesthesia and during surgery of each dog. According to the results of this study, the mean diameter of the cystic duct in gallbladder level was 4.17 ± 0.58 mm, and the mean diameter of the common bile duct in the hepatis porta and major duodenal papilla levels were 3.23 ± 0.48 and 3.14 ± 0.63 mm, respectively. The diameter of the cystic duct in the gallbladder level is greater in males than in females, and the mean diameter of the common bile duct in the hepatis porta and major duodenal papilla levels is larger in females than in males but the differences are not significant (p>0.05). The findings obtained in this study can be utilized to interpret the findings and clinical decisions about the normal and abnormal size of the diameter of the cystic and the common bile duct in adult German Shepherd dogs.
[1] Neer TM. A review of disorders of the gallbladder and extrahepatic biliary tract in the dog and cat. Journal of Veterinary Internal Medicine. 1992; 6(3): 186-92. doi:10.1111/j.1939-1676.1992.tb00335.x.
[2] Bruyette D. Clinical Small Animal Internal Medicine: John Wiley & Sons. 2020. doi:10.1002/9781119501237.ch9.
[3] Malik MY, Jaiswal S, Sharma A, Shukla M, Lal J. Role of enterohepatic recirculation in drug disposition: cooperation and complications. Drug metabolism reviews. 2016; 48(2): 281-327. doi:10.3109/03602532.2016.1157600.
[4] Flanagan J, Bissot T, Hours MA, Moreno B, Feugier A, German AJ. Success of a weight loss plan for overweight dogs: The results of an international weight loss study. PLoS One. 2017; 12(9): e0184199. doi:10.1371/journal.pone.0184199.
[5] Morelli G, Bastianello S, Catellani P, Ricci R. Raw meat-based diets for dogs: survey of owners’ motivations, attitudes and practices. BMC Veterinary Research. 2019; 15: 1-10. doi:10.1186/s12917-019-1824-x.
[6] Scott JP, Fuller JL. Genetics and the Social Behavior of the Dog. University of Chicago Press. 2012.
[7] Zeman R, Taylor K, Rosenfield A, Schwartz A, Gold J. Acute experimental biliary obstruction in the dog: sonographic findings and clinical implications. American Journal of Roentgenology. 2020; 136(5): 965-7. doi:10.2214/ajr.136.5.965.
[8] Park HY, Cho YG, Lee YW, Choi HJ. Evaluation of gallbladder and common bile duct size and appearance by computed tomography in dogs. Journal of Veterinary Science. 2018; 19(5): 653-9. doi:10.4142/jvs.2018.19.5.653.
[9] Koh R. Improve Seizure Control with Integrative Medicine World Small Animal Veterinary Association Congress Proceedings. 2018.
[10] Rahmani V, Spillmann T, Halttunen J, Syrjä P, Ruohoniemi M. Diagnostic value of endoscopic retrograde cholangiopancreatography and therapeutic value of endoscopic sphincterotomy in dogs with suspected hepatobiliary disorders. BMC Veterinary Research. 2022; 18(1): 1-15. doi:10.1186/s12917-022-03241-4.
[11] Meomartino L, Greco A, Di Giancamillo M, Brunetti A, Gnudi G. Imaging techniques in Veterinary Medicine. Part I: Radiography and Ultrasonography. European Journal of Radiology Open. 2021; 8:100382.
[12] Köster L, Shell L, Illanes O, Lathroum C, Neuville K, Ketzis J. Percutaneous ultrasound‐guided cholecystocentesis and bile analysis for the detection of Platynosomum spp.‐induced cholangitis in cats. Journal of Veterinary Internal Medicine. 2016; 30(3): 787-93.
[13] Assawarachan SN, Chuchalermporn P, Maneesaay P, Thengchaisri N. Evaluation of hepatobiliary ultrasound scores in healthy dogs and dogs with liver diseases. Veterinary World. 2019; 12(8): 1266.
doi:10.14202/vetworld.2019.1266-1272.
[14] Väätäjä HK, Pesonen EK. Ethical issues and guidelines when conducting HCI studies with animals. CHI'13 Extended Abstracts on Human Factors in Computing Systems. 2013; 2159-68.
[15] Berent A, Weisse C, Schattner M, Gerdes H, Chapman P, Kochman M. Initial experience with endoscopic retrograde cholangiography and endoscopic retrograde biliary stenting for treatment of extrahepatic bile duct obstruction in dogs. Journal of the American Veterinary Medical Association. 2015; 246(4): 436-46. doi:10.2460/javma.246.4.436.
[16] Yoo ES, Yoo BM, Kim JH, Hwang JC, Yang MJ, Lee KM. Evaluation of risk factors for recurrent primary common bile duct stone in patients with cholecystectomy. Scandinavian Journal of Gastroenterology. 2018; 53(4): 466-70.
[17] Kanai H, Minamoto T, Nukaya A, Kondo M, Aso T, Fujii A. Intraoperative cholangiography and bile duct flushing in 47 dogs receiving laparoscopic cholecystectomy for benign gallbladder disease: A retrospective analysis. Veteriary Surgery. 2022; 51: O150-O9. doi:10.1111/vsu.13731.
[18] Lee SS, Song TJ, Joo M, Park DH, Seo DW, Lee SK. Histological changes in the bile duct after long-term placement of a fully covered self-expandable metal stent within a common bile duct: a canine study. Clinical Endoscopy. 2014; 47(1): 84-93. doi:10.5946/ce.2014.47.1.84.
[19] Mattolini M, Citi S, Gianni B, Carozzi G, Caleri E, Puccinelli C. CT features of divisional bile ducts in healthy Labrador Retrievers. Veterinary Radiology & Ultrasound. 2023. doi:10.1111/vru.13222.
[20] Hill FI, Speelman J, Hui K, Nekouei O, Beczkowski P, Barrs V. High frequency of cholecystitis in dogs with gallbladder mucocoele in Hong Kong. Veterinary Journal. 2022; 287: 105881. doi:10.2139/ssrn.4017418.
[21] Marvel S, Monnet, E. Use of a vessel sealant device for cystic duct ligation in the dog. Veterinary Surgery. 2014; 43(8): 983-7. doi:10.1111/j.1532-950X.2014.12274.x.
