{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T19:06:25Z","timestamp":1788030385243,"version":"build-2784847793"},"reference-count":24,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2024,4,15]],"date-time":"2024-04-15T00:00:00Z","timestamp":1713139200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J of Urology"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study aimed to investigate perioperative complications and the details of postoperative ureteral stricture after ureteroscopy with laser lithotripsy (URS\u2010L) for upper urinary tract stones in Japan.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patient data on intra\u2010 and postoperative complications after ureteroscopy using URS\u2010L were retrospectively collected from multiple centers in Japan between April 2017 and March 2020 with the cooperation of the Japanese Society of Endourology and Robotics. Data included the number of patients undergoing URS\u2010L, number and type of intra\u2010 and postoperative complications, and detailed characteristics of postoperative ureteral stricture.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 14\u2009125 patients underwent URS\u2010L over 3\u2009years at 82 institutions. Annual URS\u2010L numbers gradually increased from 4419 in 2017, to 4760 in 2018, and 4946 in 2019. The total complication rate was 10.5%, which was divided into intra\u2010operative complications in 1.40% and postoperative complications in 9.18%. The annual incidences of intra\u2010 and postoperative complications were not significantly different from year to year (<jats:italic>p<\/jats:italic>\u2009=\u20090.314 and <jats:italic>p<\/jats:italic>\u2009=\u20090.112). Ureteral perforation, ureteral avulsion, and the intra\u2010operative conversion rate were 1.35%, 0.03%, and 0.02%, respectively. Fever &gt;38\u00b0C, septic shock, blood transfusion, and postoperative mortality were 7.44%, 0.81%, 0.07%, and 0.04%, respectively. Ureteral stricture occurred in 0.8% of cases. The median length of stricture site was 10.0\u2009mm and the success rate of stricture treatment was 54.6%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Although URS\u2010L utilization has increased in Japan, the annual complication rate has remained steady. Although URS\u2010L is a useful and less invasive procedure, devastating complications can still occur.<\/jats:p><\/jats:sec>","DOI":"10.1111\/iju.15466","type":"journal-article","created":{"date-parts":[[2024,4,16]],"date-time":"2024-04-16T04:53:48Z","timestamp":1713243228000},"page":"795-801","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Japanese survey of perioperative complications and ureteral stricture after ureteroscopy with laser lithotripsy for upper urinary tract stones in multicenter collaborative study"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8818-952X","authenticated-orcid":false,"given":"Takaaki","family":"Inoue","sequence":"first","affiliation":[{"name":"Department of Urology and Stone Center Hara Genitourinary Hospital  Hyogo Japan"},{"name":"Division of Urology, Department of Surgery Related Kobe University Graduate School of Medicine  Hyogo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirokazu","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Department of Urology Hyogo Prefectural Kakogawa Medical Center  Kakogawa Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomoko","family":"Masuda","sequence":"additional","affiliation":[{"name":"Department of Urology Tokyo Metropolitan Police Hospital  Nakano\u2010ku Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akinori","family":"Iba","sequence":"additional","affiliation":[{"name":"Department of Urology Rinku General Medical Center  Izumisano Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1813-3090","authenticated-orcid":false,"given":"Mitsuhiro","family":"Tambo","sequence":"additional","affiliation":[{"name":"Department of Urology Kyorin University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0215-2617","authenticated-orcid":false,"given":"Shinsuke","family":"Okada","sequence":"additional","affiliation":[{"name":"Department of Urology Gyotoku General Hospital  Chiba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Terunobu","family":"Hou","sequence":"additional","affiliation":[{"name":"Department of Urology Teikyo University, Chiba Medical Center  Chiba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1949-1754","authenticated-orcid":false,"given":"Ryoji","family":"Takazawa","sequence":"additional","affiliation":[{"name":"Department of Urology Tokyo Metropolitan Otsuka Hospital  Toshima\u2010ku Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirofumi","family":"Izaki","sequence":"additional","affiliation":[{"name":"Department of Urology Tokushima Prefectural Central Hospital  Toshima\u2010ku Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuzo","family":"Hamamoto","sequence":"additional","affiliation":[{"name":"Department of Nephro\u2010Urology, Medical School Nagoya City University Graduate School of Medical Sciences  Nagoya Aichi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masato","family":"Fujisawa","sequence":"additional","affiliation":[{"name":"Division of Urology, Department of Surgery Related Kobe University Graduate School of Medicine  Hyogo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,4,15]]},"reference":[{"key":"e_1_2_14_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/iju.13552"},{"key":"e_1_2_14_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/iju.14048"},{"key":"e_1_2_14_4_1","doi-asserted-by":"publisher","DOI":"10.1089\/end.2013.0436"},{"key":"e_1_2_14_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2014.05.095"},{"key":"e_1_2_14_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00345-021-03818-y"},{"key":"e_1_2_14_7_1","unstructured":"SkolarikosA JungH NeisiusA PetrikA SomaniB TaillyT et\u00a0al.EAU guidelines on urolothiasis. 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