{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T14:56:10Z","timestamp":1769266570954,"version":"3.49.0"},"reference-count":21,"publisher":"Springer Science and Business Media LLC","issue":"5","license":[{"start":{"date-parts":[[2019,8,27]],"date-time":"2019-08-27T00:00:00Z","timestamp":1566864000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2019,8,27]],"date-time":"2019-08-27T00:00:00Z","timestamp":1566864000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["World J Urol"],"published-print":{"date-parts":[[2020,5]]},"DOI":"10.1007\/s00345-019-02925-1","type":"journal-article","created":{"date-parts":[[2019,8,27]],"date-time":"2019-08-27T16:04:19Z","timestamp":1566921859000},"page":"1275-1282","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["The role of prostatic apex shape in voiding symptoms and urine flow: an exploratory and confirmatory study"],"prefix":"10.1007","volume":"38","author":[{"given":"Jee Soo","family":"Park","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dongu","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyo Chul","family":"Koo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Byung Ha","family":"Chung","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7961-8393","authenticated-orcid":false,"given":"Kwang Suk","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2019,8,27]]},"reference":[{"issue":"Suppl 6","key":"2925_CR1","first-page":"S14","volume":"7","author":"VW Nitti","year":"2005","unstructured":"Nitti VW (2005) Pressure flow urodynamic studies: the gold standard for diagnosing bladder outlet obstruction. Rev Urol 7(Suppl 6):S14","journal-title":"Rev Urol"},{"key":"2925_CR2","doi-asserted-by":"publisher","first-page":"521","DOI":"10.1002\/nau.1930130504","volume":"13","author":"VW Nitti","year":"1994","unstructured":"Nitti VW, Kim Y, Combs AJ (1994) Correlation of the AUA symptom index with urodynamics in patients with suspected benign prostatic hyperplasia. Neurourol Urodyn 13:521\u2013527","journal-title":"Neurourol Urodyn"},{"key":"2925_CR3","doi-asserted-by":"publisher","first-page":"2014","DOI":"10.1016\/S0022-5347(01)66077-4","volume":"155","author":"GE van Venrooij","year":"1996","unstructured":"van Venrooij GE, Boon TA (1996) The value of symptom score, quality of life score, maximal urinary flow rate, residual volume and prostate size for the diagnosis of obstructive benign prostatic hyperplasia: a urodynamic analysis. J Urol 155:2014\u20132018","journal-title":"J Urol"},{"key":"2925_CR4","doi-asserted-by":"publisher","first-page":"447","DOI":"10.1002\/(SICI)1520-6777(1996)15:5<447::AID-NAU2>3.0.CO;2-F","volume":"15","author":"LT Sirls","year":"1996","unstructured":"Sirls LT, Kirkemo AK, Jay J (1996) Lack of correlation of the American Urological Association Symptom 7 Index with urodynamic bladder outlet obstruction. Neurourol Urodyn 15:447\u2013457","journal-title":"Neurourol Urodyn"},{"key":"2925_CR5","doi-asserted-by":"publisher","first-page":"371","DOI":"10.1046\/j.1464-410X.2003.04088.x","volume":"91","author":"SJ Chia","year":"2003","unstructured":"Chia SJ, Heng CT, Chan SP, Foo KT (2003) Correlation of intravesical prostatic protrusion with bladder outlet obstruction. BJU Int 91:371\u2013374","journal-title":"BJU Int"},{"key":"2925_CR6","doi-asserted-by":"publisher","first-page":"858","DOI":"10.1016\/j.urology.2008.01.019","volume":"71","author":"KS Cho","year":"2008","unstructured":"Cho KS, Kim JH, Kim DJ, Choi YD, Kim JH, Hong SJ (2008) Relationship between prostatic urethral angle and urinary flow rate: its implication in benign prostatic hyperplasia pathogenesis. Urology 71:858\u2013862","journal-title":"Urology"},{"key":"2925_CR7","doi-asserted-by":"publisher","first-page":"473","DOI":"10.1016\/S0094-0143(05)70156-7","volume":"28","author":"RP Myers","year":"2001","unstructured":"Myers RP (2001) Practical surgical anatomy for radical prostatectomy. Urol Clin N Am 28:473\u2013490","journal-title":"Urol Clin N Am"},{"key":"2925_CR8","doi-asserted-by":"publisher","first-page":"137","DOI":"10.1016\/j.urology.2006.01.021","volume":"68","author":"SE Lee","year":"2006","unstructured":"Lee SE, Byun SS, Lee HJ, Song SH, Chang IH, Kim YJ, Gill MC, Hong SK (2006) Impact of variations in prostatic apex shape on early recovery of urinary continence after radical retropubic prostatectomy. Urology 68:137\u2013141","journal-title":"Urology"},{"key":"2925_CR9","doi-asserted-by":"publisher","first-page":"S189","DOI":"10.1016\/j.juro.2016.10.071","volume":"197","author":"MJ Barry","year":"2017","unstructured":"Barry MJ, Fowler FJ Jr, O\u2019Leary MP, Bruskewitz RC, Holtgrewe HL, Mebust WK, Cockett AT, Measurement Committee of the American Urological Association (2017) The American Urological Association Symptom Index for benign prostatic hyperplasia. J Urol 197:S189\u2013S197","journal-title":"J Urol"},{"key":"2925_CR10","doi-asserted-by":"publisher","first-page":"2160","DOI":"10.1002\/nau.23428","volume":"37","author":"K Ito","year":"2018","unstructured":"Ito K, Takashima Y, Akamatsu S, Terada N, Kobayashi T, Yamasaki T, Inoue T, Kamba T, Ogawa O, Negoro H (2018) Intravesical prostatic protrusion is not always the same shape: evaluation by preoperative cystoscopy and outcome in HoLEP. Neurourol Urodyn 37:2160\u20132166","journal-title":"Neurourol Urodyn"},{"key":"2925_CR11","doi-asserted-by":"publisher","first-page":"84","DOI":"10.1046\/j.1464-410X.1997.00252.x","volume":"80","author":"WP Witjes","year":"1997","unstructured":"Witjes WP, Aarnink RG, Ezz-el-Din K, Wijkstra H, Debruyne FM, De La Rosette JJ (1997) The correlation between prostate volume, transition zone volume, transition zone index and clinical and urodynamic investigations in patients with lower urinary tract symptoms. Br J Urol 80:84\u201390","journal-title":"Br J Urol"},{"key":"2925_CR12","doi-asserted-by":"publisher","first-page":"86","DOI":"10.1186\/s12894-015-0081-y","volume":"15","author":"J Zheng","year":"2015","unstructured":"Zheng J, Pan J, Qin Y, Huang J, Luo Y, Gao X, Zhou X (2015) Role for intravesical prostatic protrusion in lower urinary tract symptom: a fluid structural interaction analysis study. BMC Urol 15:86","journal-title":"BMC Urol"},{"key":"2925_CR13","doi-asserted-by":"publisher","first-page":"717","DOI":"10.1007\/s11255-011-0094-8","volume":"44","author":"SA Dutkiewicz","year":"2012","unstructured":"Dutkiewicz SA, Wroblewski M (2012) Comparison of treatment results between holmium laser endourethrotomy and optical internal urethrotomy for urethral stricture. Int Urol Nephrol 44:717\u2013724","journal-title":"Int Urol Nephrol"},{"key":"2925_CR14","doi-asserted-by":"publisher","first-page":"482","DOI":"10.1016\/j.jmig.2013.02.002","volume":"20","author":"J Zheng","year":"2013","unstructured":"Zheng J, Xu K, Sun Y, Sun C, Ding Q, Fang Z (2013) Evaluation of urodynamic findings before and after mid-urethral tape sling operation for female stress urinary incontinence. J Minim Invasive Gynecol 20:482\u2013486","journal-title":"J Minim Invasive Gynecol"},{"key":"2925_CR15","doi-asserted-by":"publisher","first-page":"1764","DOI":"10.1016\/S0022-5347(01)66779-X","volume":"154","author":"SA Kaplan","year":"1995","unstructured":"Kaplan SA, Te AE, Pressler LB, Olsson CA (1995) Transition zone index as a method of assessing benign prostatic hyperplasia: correlation with symptoms, urine flow and detrusor pressure. J Urol 154:1764\u20131769","journal-title":"J Urol"},{"key":"2925_CR16","doi-asserted-by":"publisher","first-page":"85","DOI":"10.1097\/00005392-199707000-00023","volume":"158","author":"H Lepor","year":"1997","unstructured":"Lepor H, Nieder A, Feser J, O\u2019Connell C, Dixon C (1997) Total prostate and transition zone volumes, and transition zone index are poorly correlated with objective measures of clinical benign prostatic hyperplasia. J Urol 158:85\u201388","journal-title":"J Urol"},{"key":"2925_CR17","doi-asserted-by":"publisher","first-page":"351","DOI":"10.1016\/S0022-5347(17)35482-4","volume":"150","author":"MJ Barry","year":"1993","unstructured":"Barry MJ, Cockett AT, Holtgrewe HL, McConnell JD, Sihelnik SA, Winfield HN (1993) Relationship of symptoms of prostatism to commonly used physiological and anatomical measures of the severity of benign prostatic hyperplasia. J Urol 150:351\u2013358","journal-title":"J Urol"},{"key":"2925_CR18","doi-asserted-by":"publisher","first-page":"484","DOI":"10.1016\/S0022-5347(17)53877-X","volume":"127","author":"RL Ryall","year":"1982","unstructured":"Ryall RL, Marshall VR (1982) Normal peak urinary flow rates obtained from small voided volumes can provide a reliable assessment of bladder function. J Urol 127:484\u2013488","journal-title":"J Urol"},{"key":"2925_CR19","doi-asserted-by":"publisher","first-page":"28","DOI":"10.1111\/j.1464-410X.1983.tb07074.x","volume":"55","author":"VR Marshall","year":"1983","unstructured":"Marshall VR, Ryall RL, Austin ML, Sinclair GR (1983) The use of urinary flow rates obtained from voided volumes less than 150\u00a0ml in the assessment of voiding ability. Br J Urol 55:28\u201333","journal-title":"Br J Urol"},{"key":"2925_CR20","doi-asserted-by":"publisher","first-page":"861","DOI":"10.1016\/S0021-9290(98)00093-1","volume":"31","author":"KJ Kim","year":"1998","unstructured":"Kim KJ, Jurnalov CD, Lightner DJ, Webb MJ, Lee RA, An KN (1998) Principles of urodynamics pressure measurement and its implication to female continence function. J Biomech 31:861\u2013865","journal-title":"J Biomech"},{"key":"2925_CR21","doi-asserted-by":"publisher","first-page":"27","DOI":"10.1016\/S0010-4825(00)00020-2","volume":"31","author":"O Barnea","year":"2001","unstructured":"Barnea O, Gillon G (2001) Model-based estimation of male urethral resistance and elasticity using pressure-flow data. Comput Biol Med 31:27\u201340","journal-title":"Comput Biol Med"}],"container-title":["World Journal of Urology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00345-019-02925-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00345-019-02925-1\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00345-019-02925-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,8,25]],"date-time":"2020-08-25T23:12:41Z","timestamp":1598397161000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00345-019-02925-1"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,8,27]]},"references-count":21,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2020,5]]}},"alternative-id":["2925"],"URL":"https:\/\/doi.org\/10.1007\/s00345-019-02925-1","relation":{},"ISSN":["0724-4983","1433-8726"],"issn-type":[{"value":"0724-4983","type":"print"},{"value":"1433-8726","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,8,27]]},"assertion":[{"value":"21 June 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"20 August 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"27 August 2019","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"All of the authors declare that they have no conflicts of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional and\/or national research committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"Informed consent was not required for the purposes of this study, as it was based upon retrospective anonymous patient data and did not involve patient intervention or the use of human tissue samples.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}