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• W2034261687 abstract "No AccessJournal of UrologyInvestigative Urology1 Mar 1997Relationship Between Cavernosal Ischemia and Corporal Veno-Occlusive Dysfunction in an Animal Model Kazem M. Azadzoi, Kwangsung Park, Chris Andry, Irwin Goldstein, and Mike B. Siroky Kazem M. AzadzoiKazem M. Azadzoi More articles by this author , Kwangsung ParkKwangsung Park More articles by this author , Chris AndryChris Andry More articles by this author , Irwin GoldsteinIrwin Goldstein More articles by this author , and Mike B. SirokyMike B. Siroky More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(01)65133-4AboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract Purpose: It has been postulated that cavernosal tissue ischemia secondary to arterial occlusive disease is associated with corporal veno-occlusive dysfunction. The goal was to correlate, for the first time, direct local intracavernosal blood flow measurements as a measure of cavernosal tissue perfusion with the integrity of corporal veno-occlusion in an animal model of vasculogenic impotence. Materials and Methods: The New Zealand White rabbit model of vasculogenic impotence was utilized (7 control, 9 atherosclerotic). After 16 weeks, intracavernosal blood flow was recorded directly by laser Doppler flowmetry. The relationships among peak intracavernosal blood flow, equilibrium intracavernosal pressure and corporal veno-occlusive function (as determined by intracavernosal pressure decay) were examined. Results: Significant differences in the atherosclerotic compared to control animals were noted in iliac artery blood flow (12 +/- 4 vs 31 +/- 7 ml./min.), peak intracavernosal blood flow during erection (16 +/- 7 vs 25 +/- 4 ml./min./100 gm. tissue), equilibrium intracavernosal pressure (48 +/- 11 vs 72 +/- 6 mm. Hg) and intracavernosal pressure decay (57 +/- 17 vs 36 +/- 8 mm. Hg). Peak intracavernosal blood flow during erection was found significantly related to both equilibrium pressure (r = 0.75) and cavernosal pressure decay (r = -0.8). Conclusions: Abnormal intracavernosal blood flow (cavernosal ischemia) secondary to arterial occlusive disease predicts abnormal veno-occlusive function and poor erection quality. References 1 : Arteriogenic impotence: findings in 195 impotent men examined with selective internal pudendal angiography. Radiology1990; 174: 1043. Google Scholar 2 : The effect of intracorporeal injection plus genital and audiovisual sexual stimulation versus second injection on penile color Doppler sonography parameters. J. Urol.1996; 155: 536. Link, Google Scholar 3 : The use of duplex ultrasound in the assessment of arterial supply to the penis in vasculogenic impotence. J. Urol.1995; 153: 354. 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Link, Google Scholar Department of Urology and Pathology, Boston University School of Medicine, and the Boston Veterans Affairs Medical Center, Boston, Massachusetts© 1997 by American Urological Association, Inc.FiguresReferencesRelatedDetailsCited byGHOLAMI S, ROGERS R, CHANG J, HO H, GRAZZIOTTIN T, LIN C and LUE T (2018) The Effect of Vascular Endothelial Growth Factor and Adeno-Associated Virus Mediated Brain Derived Neurotrophic Factor on Neurogenic and Vasculogenic Erectile Dysfunction Induced by HyperlipidemiaJournal of Urology, VOL. 169, NO. 4, (1577-1581), Online publication date: 1-Apr-2003.SIROKY M and AZADZOI K (2018) Vasculogenic Erectile Dysfunction: Newer Therapeutic StrategiesJournal of Urology, VOL. 170, NO. 2S, (S24-S30), Online publication date: 1-Aug-2003.Kershen R, Azadzoi K and Siroky M (2018) Blood Flow, Pressure and Compliance in the Male Human BladderJournal of Urology, VOL. 168, NO. 1, (121-125), Online publication date: 1-Jul-2002.BYRNE R, HENRY G, RAO D, HUYNH T, PIPPEN A, ANNEX B, HAGEN P and DONATUCCI C (2018) VASCULAR ENDOTHELIAL GROWTH FACTOR RESTORES CORPOREAL SMOOTH MUSCLE FUNCTION IN VITROJournal of Urology, VOL. 165, NO. 4, (1310-1315), Online publication date: 1-Apr-2001.AZADZOI K, KRANE R, SAENZ DE TEJADA I, GOLDSTEIN I and SIROKY M (2018) RELATIVE ROLES OF CYCLOOXYGENASE AND NITRIC OXIDE SYNTHASE PATHWAYS IN ISCHEMIA-INDUCED INCREASED CONTRACTION OF CAVERNOSAL SMOOTH MUSCLEJournal of Urology, VOL. 161, NO. 4, (1324-1328), Online publication date: 1-Apr-1999.TARCAN T, PARK K, GOLDSTEIN I, MAIO G, FASSINA A, KRANE R and AZADZOI K (2018) HISTOMORPHOMETRIC ANALYSIS OF AGE-RELATED STRUCTURAL CHANGES IN HUMAN CLITORAL CAVERNOSAL TISSUEJournal of Urology, VOL. 161, NO. 3, (940-944), Online publication date: 1-Mar-1999.AZADZOI K, TARCAN T, KOZLOWSKI R, KRANE R and SIROKY M (2018) OVERACTIVITY AND STRUCTURAL CHANGES IN THE CHRONICALLY ISCHEMIC BLADDERJournal of Urology, VOL. 162, NO. 5, (1768-1778), Online publication date: 1-Nov-1999.AZADZOI K, TARCAN T, SIROKY M and KRANE R (2018) ATHEROSCLEROSIS-INDUCED CHRONIC ISCHEMIA CAUSES BLADDER FIBROSIS AND NON-COMPLIANCE IN THE RABBITJournal of Urology, VOL. 161, NO. 5, (1626-1635), Online publication date: 1-May-1999.AZADZOI K, GOLDSTEIN I, SIROKY M, TRAISH A, KRANE R and DE TEJADA I (2018) MECHANISMS OF ISCHEMIA-INDUCED CAVERNOSAL SMOOTH MUSCLE RELAXATION IMPAIRMENT IN A RABBIT MODEL OF VASCULOGENIC ERECTILE DYSFUNCTIONJournal of Urology, VOL. 160, NO. 6 Part 1, (2216-2222), Online publication date: 1-Dec-1998.UL-HASAN M, EL-SAKKA A, LEE C, YEN T, DAHIYA R and LUE T (2018) EXPRESSION OF TGF-beta-1 mRNA AND ULTRASTRUCTURAL ALTERATIONS IN PHARMACOLOGICALLY INDUCED PROLONGED PENILE ERECTION IN A CANINE MODELJournal of Urology, VOL. 160, NO. 6 Part 1, (2263-2266), Online publication date: 1-Dec-1998.NEHRA A, AZADZOI K, MORELAND R, PABBY A, SIROKY M, KRANE R, GOLDSTEIN I and UDELSON D (2018) CAVERNOSAL EXPANDABILITY IS AN ERECTILE TISSUE MECHANICAL PROPERTY WHICH PREDICTS TRABECULAR HISTOLOGY IN AN ANIMAL MODEL OF VASCULOGENIC ERECTILE DYSFUNCTIONJournal of Urology, VOL. 159, NO. 6, (2229-2236), Online publication date: 1-Jun-1998. Volume 157Issue 3March 1997Page: 1011-1017 Advertisement Copyright & Permissions© 1997 by American Urological Association, Inc.MetricsAuthor Information Kazem M. Azadzoi More articles by this author Kwangsung Park More articles by this author Chris Andry More articles by this author Irwin Goldstein More articles by this author Mike B. Siroky More articles by this author Expand All Advertisement PDF downloadLoading ..." @default.
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