{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T09:01:05Z","timestamp":1785402065514,"version":"3.56.0"},"reference-count":30,"publisher":"Portland Press Ltd.","issue":"4","license":[{"start":{"date-parts":[[2019,7,25]],"date-time":"2019-07-25T00:00:00Z","timestamp":1564012800000},"content-version":"vor","delay-in-days":703,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["portlandpress.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,8,31]]},"abstract":"<jats:p>The present study aims to evaluate the diagnostic value of four-dimensional CT angiography (4D-CTA) in the diagnosis of arterial erectile dysfunction (ED) using 320-detector row dynamic volume CT. Arterial ED patients attributed to arterial insufficiency were enrolled. To induce penile erection, an intracavernous injection (ICI) of corpus cavernosum with a vasoactive drug was administered. Patients were assigned into the erection hardness score (EHS) 1\/2 group or EHS 3\/4 group. Color duplex Doppler ultrasound (CDDU) was used to analyze blood flow spectrum. Each patient was examined using 4D-CTA. Receiver operating characteristic (ROC) curve was plotted to evaluate the diagnostic value of 4D-CTA in arterial ED. According to Irwin Goldstein, the EHS 3\/4 group (n=38) had a shorter course of ED and low proportion with history of hypertension, hyperlipidemia, and diabetes than the EHS 1\/2 group (n=35). The peak systolic velocity (PSV), end diastolic velocity (EDV), and resistant index (RI) in the EHS 3\/4 group were lower than those of the EHS 1\/2 group. 4D-CTA showed there were a total of 35 cases in the EHS 1\/2 group (two cases missed) and 38 cases in the EHS 3\/4 group (seven cases misdiagnosed). Using 4D-CTA to diagnose arterial ED, the area under the ROC curve yielded a value of 0.879, with a specificity of 93.9% and a sensitivity of 82.5%. These findings indicated that 4D-CTA using 320-detector row dynamic volume CT is a promising and reliable utility in diagnosing arterial ED.<\/jats:p>","DOI":"10.1042\/bsr20170200","type":"journal-article","created":{"date-parts":[[2017,7,15]],"date-time":"2017-07-15T00:25:27Z","timestamp":1500078327000},"update-policy":"https:\/\/doi.org\/10.1042\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Diagnostic value of four-dimensional CT angiography in arterial erectile dysfunction using 320-detector row dynamic volume CT"],"prefix":"10.1042","volume":"37","author":[{"given":"Cheng-Cheng","family":"Xu","sequence":"first","affiliation":[{"name":"Department of Imaging, Ningbo First Hospital, Ningbo 315010, P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin-Zhong","family":"Ruan","sequence":"additional","affiliation":[{"name":"Department of Imaging, Ningbo First Hospital, Ningbo 315010, P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi-Fan","family":"Tang","sequence":"additional","affiliation":[{"name":"Department of Imaging, Ningbo First Hospital, Ningbo 315010, P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiao-Hai","family":"Pan","sequence":"additional","affiliation":[{"name":"Department of Imaging, Ningbo First Hospital, Ningbo 315010, P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guo-Yao","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Urology, Ningbo First Hospital, Ningbo 315010, P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiu-Li","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Imaging, Ningbo First Hospital, Ningbo 315010, P.R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"288","published-online":{"date-parts":[[2017,8,21]]},"reference":[{"key":"2021111618463037100_B1","first-page":"184","article-title":"Efficacy and safety of phosphodiesterase-5 inhibitors for treating erectile dysfunction in kidney transplant recipients: a meta-analysis","volume":"12","author":"Fanbin","year":"2014","journal-title":"Exp. Clin. Transplant."},{"key":"2021111618463037100_B2","doi-asserted-by":"crossref","first-page":"5","DOI":"10.4103\/1008-682X.137687","article-title":"Lifestyle modifications and erectile dysfunction: what can be expected?","volume":"17","author":"Maiorino","year":"2015","journal-title":"Asian J. 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