The Diameter of Maximum Distended Urethra in Male Dogs

수컷 개에서 최대 확장된 요도의 직경

  • Byeon, Ye-Eun (Department of Veterinary Surgery, College of Veterinary Medicine, Seoul National University) ;
  • Lee, Sun-Tae (Department of Veterinary Surgery, College of Veterinary Medicine, Seoul National University) ;
  • Kweon, Oh-Kyeong (Department of Veterinary Surgery, College of Veterinary Medicine, Seoul National University) ;
  • Kim, Wan-Hee (Department of Veterinary Surgery, College of Veterinary Medicine, Seoul National University)
  • 변예은 (서울대학교 수의과대학 수의외과학교실) ;
  • 이선태 (서울대학교 수의과대학 수의외과학교실) ;
  • 권오경 (서울대학교 수의과대학 수의외과학교실) ;
  • 김완희 (서울대학교 수의과대학 수의외과학교실)
  • Published : 2009.08.31

Abstract

This paper was performed to investigate the propensity of the diameter of maximum distended urethra from urethra to os penis in mature male dogs of 25 male dogs of different breeds. The measured sites of urethras were divided into 7 regions, i.e. prostate, membrane, isthmus, perineum, scrotum, prescrotum and os penis. By using the inflated balloon catheter filled with contrast medium, the maximum diameter of the distended urethras of each region was recorded and compared among regions. The mean diameter of the lumen from the prostatic urethra to the os penis urethra was gradually narrowed except for the isthmus portion, with a sense of resistance for retraction being noted at the level of ischiatic arch in 22 dogs. Proposed results from this should be utilized as a predictor of a treatment plan for the removal of urethroliths using an urohydropropulsion.

25마리의 다양한 종의 수컷 개에서 전립선에서 음경골까지 각 부위의 요도를 최대로 확장하여 측정 후 그 경향을 조사하였다. 전립선, 요도막, 협부, 회음부, 고환, 고환앞, 음경골 부위에 각각 풍선카테터를 위치한 후 풍선 내에 조영제를 주입하여 영상촬영 후 분석하였다. 협부를 제외하고 전립선에서부터 음경골로 갈수록 각 부위의 최대 확장된 직경은 점점 줄어들었다. 골반 부위 근처에 위치한 협부에서 카테터의 풍선을 전립선 부위와 회음부로 견인 시 25마리 중 22마리의 개에서 강한 저항감이 있었고 직경 또한 원위부와 근위부의 직경보다 더 작았다. 이러한 결과는 요도를 확장시켜 요도 내 결석을 제거하는 수압추진법의 적용 계획을 세우는 데 기여할 것으로 사료된다.

Keywords

References

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