2000
Evaluation of a chronic indwelling prototype mesh ureteral stent in a porcine model
Olweny E, Portis A, Sundaram C, Afane J, Humphrey P, Ewers R, McDougall E, Clayman R. Evaluation of a chronic indwelling prototype mesh ureteral stent in a porcine model. Urology 2000, 56: 857-862. PMID: 11068323, DOI: 10.1016/s0090-4295(00)00734-2.Peer-Reviewed Original Research
1997
Laparoscopic pyeloplasty in the animal model.
McDougall E, Elashry O, Clayman R, Humphrey P, Rayah H. Laparoscopic pyeloplasty in the animal model. JSLS Journal Of The Society Of Laparoscopic & Robotic Surgeons 1997, 1: 113-8. PMID: 9876657, PMCID: PMC3021264.Peer-Reviewed Original ResearchConceptsLaparoscopic pyeloplastyIntracorporeal suturing techniquesOperative timeEndostitch deviceSecondary ureteropelvic junction obstructionSuturing techniqueDifferent laparoscopic techniquesUnilateral UPJ obstructionLonger operative timeUreteropelvic junction obstructionLapra-Ty clipsRenal functionRenal scanSerum creatinineRenal biopsyUrine cultureGeneral anesthesiaJunction obstructionRetrograde pyelographyUreteral catheterizationLaparoscopic techniqueUPJ obstruction
1994
Comparison of Retrograde Endo-Pyelotomy and Endo-Balloon Rupture of the Ureteropelvic Junction in a Porcine Model
Pearle M, Moon Y, Endicott R, Gardner S, Humphrey P, Clayman R. Comparison of Retrograde Endo-Pyelotomy and Endo-Balloon Rupture of the Ureteropelvic Junction in a Porcine Model. Journal Of Urology 1994, 152: 2232-2239. PMID: 7966717, DOI: 10.1016/s0022-5347(17)31649-x.Peer-Reviewed Original ResearchConceptsUreteropelvic junctionRetroperitoneal extravasationRetrograde pyelogramStent removalUreteral stentsAdventitial layerSecondary ureteropelvic junction obstructionPatent ureteropelvic junctionDouble pigtail ureteral stentUreteropelvic junction obstructionFemale farm pigsChronic study animalsPigtail ureteral stentChronic animal studiesNormal ureteropelvic junctionBalloon distentionBalloon incisionUrine extravasationAcute groupLinear tearChronic groupChronic inflammationMild fibrosisJunction obstructionCommon finding