{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T01:49:05Z","timestamp":1791510545620,"version":"4.3.4"},"reference-count":24,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"vor","delay-in-days":7,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["bjui-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJUI Compass"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To determine whether preoperative multiparametric magnetic resonance imaging (mpMRI)\u2010derived vascular markers are associated with baseline and postoperative erectile function (EF) and change in EF in men undergoing bilateral nerve\u2010sparing robot\u2010assisted radical prostatectomy (RARP).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patients and Methods<\/jats:title>\n                    <jats:p>A secondary retrospective imaging analysis was undertaken using prospectively collected cohort data. Men undergoing bilateral nerve\u2010sparing RARP with a preoperative International Index of Erectile Function\u2014erectile function domain score (IIEF\u20106) and preoperative mpMRI incorporating dynamic contrast\u2010enhanced sequences were included. MRI\u2010detected accessory pudendal artery (APA), prostate enhancement ratio (PER) and corporal enhancement ratio (CER) were assessed by two expert uro\u2010radiologists. Associations with EF outcomes were examined using correlation analyses and univariable and multivariable linear regression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Seventy\u2010one patients (mean age 60\u2009years) met inclusion criteria; APA was identified in 31 (43.6%). APA presence was associated with higher baseline IIEF\u20106 scores (mean 24.1 vs. 20.0,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.043). Baseline IIEF\u20106 demonstrated moderate negative correlation with PER (\n                      <jats:italic>\u03c1<\/jats:italic>\n                      \u2009=\u2009\u22120.30,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.014) and moderate positive correlation with CER (\n                      <jats:italic>\u03c1<\/jats:italic>\n                      \u2009=\u20090.30,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.018). On multivariable analysis, APA presence (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20095.20,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.019), PER (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u2009\u22120.049,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.017) and CER (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.040,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.049) independently predicted baseline EF. Increasing age independently predicted lower baseline IIEF\u20106 (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u2009\u22120.34,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.017), while higher body mass index correlated with poorer 24\u2010month IIEF\u20106 scores (\n                      <jats:italic>\u03c1<\/jats:italic>\n                      \u2009=\u2009\u22120.27,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.046). Bilateral intrafascial\/intra\u2010interfascial nerve\u2010sparing techniques were associated with superior 24\u2010month EF outcomes (mean 16.8 vs. 10.5,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.028). No MRI\u2010derived marker predicted 24\u2010month EF or EF change.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Preoperative mpMRI\u2010derived vascular markers, particularly APA identification, independently correlate with baseline EF in men undergoing BNS RARP, supporting a contributory vascular component in post\u2010prostatectomy ED. Prospective studies are warranted to determine whether intraoperative vascular preservation strategies, guided by preoperative MRI vascular mapping, influence functional recovery and can be integrated into surgical planning pathways.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/bco2.70295","type":"journal-article","created":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T00:51:06Z","timestamp":1791507066000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prostate MRI vascular markers and erectile function after nerve\u2010sparing prostatectomy"],"prefix":"10.1002","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6715-3090","authenticated-orcid":false,"given":"Abdullah","family":"Al\u2010Mitwalli","sequence":"first","affiliation":[{"name":"Urology University College London Hospital  London UK"},{"name":"Division of Surgery and Interventional Sciences University College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9273-3372","authenticated-orcid":false,"given":"Matthew","family":"Megson","sequence":"additional","affiliation":[{"name":"Urology University College London Hospital  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-7254-7757","authenticated-orcid":false,"given":"Dalia","family":"Mohammed","sequence":"additional","affiliation":[{"name":"University College London Medical School  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed","family":"Al\u2010Nowfal","sequence":"additional","affiliation":[{"name":"Radiology University College London Hospital  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3088-2775","authenticated-orcid":false,"given":"Conrad","family":"Von Stempel","sequence":"additional","affiliation":[{"name":"Division of Surgery and Interventional Sciences University College London  London UK"},{"name":"Radiology University College London Hospital  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2199-5364","authenticated-orcid":false,"given":"Wai Gin","family":"Lee","sequence":"additional","affiliation":[{"name":"Urology University College London Hospital  London UK"},{"name":"Division of Surgery and Interventional Sciences University College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5939-7036","authenticated-orcid":false,"given":"David","family":"Ralph","sequence":"additional","affiliation":[{"name":"Urology University College London Hospital  London UK"},{"name":"Division of Surgery and Interventional Sciences University College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zafer","family":"Tandogdu","sequence":"additional","affiliation":[{"name":"Urology University College London Hospital  London UK"},{"name":"Division of Surgery and Interventional Sciences University College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,8]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(24)00651-2"},{"key":"e_1_2_9_3_1","unstructured":"EAU Guidelines on Prostate Cancer. 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