1987
Ureteral Urine Transport: Changes in Bolus Volume, Peristaltic Frequency, Intraluminal Pressure and Volume of Flow Resulting from Autonomic Drugs
Morita T, Wada I, Saeki H, Tsuchida S, Weiss R. Ureteral Urine Transport: Changes in Bolus Volume, Peristaltic Frequency, Intraluminal Pressure and Volume of Flow Resulting from Autonomic Drugs. Journal Of Urology 1987, 137: 132-135. PMID: 3795356, DOI: 10.1016/s0022-5347(17)43904-8.Peer-Reviewed Original ResearchConceptsUreteral peristaltic frequencyPeristaltic frequencyContractile pressureBolus volumeIntraluminal pressureAutonomic nervous systemAutonomic agonistsAutonomic drugsNervous systemBaseline pressureExperimental modelSmall decreaseUrine transportBaselineResultant decreaseBolus formationFlow volumeElevationFluid transportNorepinephrineAcetylcholineDecreaseUreterAgonistsIsoproterenol
1982
Rationale for ureteral tapering
Weiss R, Biancani P. Rationale for ureteral tapering. Urology 1982, 20: 482-487. PMID: 7147526, DOI: 10.1016/0090-4295(82)90118-2.Peer-Reviewed Original ResearchConceptsUreteral taperingIntraluminal pressureContractile forceMuscle hypertrophyIntraluminal pressure wavesWeeks of obstructionLow intraluminal pressureUrine transportIntrarenal hemodynamicsUreteral dilatationParadoxical decreaseUreteral wallHypertrophyLaplace relationshipTaperingUreterHemodynamicsDilatationObstructionContractilityEffect of obstruction on ureteral circumferential force-length relations
Biancani P, Hausman M, Weiss R. Effect of obstruction on ureteral circumferential force-length relations. American Journal Of Physiology 1982, 243: f204-f210. PMID: 7114220, DOI: 10.1152/ajprenal.1982.243.2.f204.Peer-Reviewed Original ResearchConceptsMuscle hypertrophyIntraluminal pressureCross-sectional muscle areaControl uretersPeak active forceUreteral diameterUreteral segmentActive circumferential stressObstructionUreterObstructed uretersContractile forceHypertrophyContractilityMuscle areaContractility resultsEffects of obstructionForce-length relationLaplace relationshipWkCorresponding doubling
1976
Time course of ureteral changes with obstruction
Biancani P, Zabinski M, Weiss R. Time course of ureteral changes with obstruction. American Journal Of Physiology 1976, 231: 393-398. PMID: 961889, DOI: 10.1152/ajplegacy.1976.231.2.393.Peer-Reviewed Original ResearchConceptsIntraluminal pressure