Study of the Effects of Stones and Drugs on the Ureter in a Pig Model
The passage of a ureteric stone can involve attacks of severe pain with obstruction. The stone is generally less than the potential diameter of the ureter and the factors involved have been subjected to theoretical analysis (1), but practical knowledge is needed. A drug which would dilate the ureter might be helpful in stone colic and would facilitate the passage of fragments after extracorporeal shock-wave lithotripsy.
KeywordsRenal Pelvis Ureteric Stone Stone Passage Potential Diameter Stone Impaction
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- 1.DEW Holmund, Some new concepts for treatment of ureteral stones, Prog. Surg. 13:189 (1974).Google Scholar