{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T17:56:02Z","timestamp":1781200562571,"version":"3.54.1"},"reference-count":25,"publisher":"SAGE Publications","issue":"9","license":[{"start":{"date-parts":[[2023,9,1]],"date-time":"2023-09-01T00:00:00Z","timestamp":1693526400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Endourology"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>To explore the safety and effectiveness of the Pure Retroperitoneal Laparoscopic Peritoneum Incision Technique (PREP-IT) in laparoscopic radical nephrectomy (LRN) and inferior vena cave (IVC) tumor thrombectomy for right renal-cell carcinoma (RCC) with level Mayo I to III venous tumor thrombus (VTT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patients and Methods:<\/jats:title>\n                    <jats:p>From May 2015 to September 2020, 92 patients with right RCC and Mayo I to III VTT were retrospectively reviewed, including 57 patients who underwent retroperitoneal LRN and IVC thrombectomy using PREP-IT, and 35 patients who underwent open surgery. PREP-IT refers to dissecting the retroperitoneum and temporarily placing the right kidney into the abdominal cavity to enlarge the retroperitoneal workspace for a safer and faster IVC operation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Compared with the open surgery group, the PREP-IT group had a larger tumor diameter, while a larger proportion of Mayo I tumor thrombus and smaller maximum tumor thrombus width. Two patients (3.5%) in the PREP-IT group had a history of abdominal surgery. No conversion to open surgery or standard laparoscopic surgery occurred in PREP-IT group. Laparoscopic surgery with PREP-IT was characterized by shorter operative time, less surgical blood loss, shorter postoperative hospital stay, and lower postoperative complication rate. With a 33-month (ranges: 2\u201386) follow-up time period, the estimated mean overall survival time was 57.2\u2009\u00b1\u20095.3 and 58.1\u2009\u00b1\u200971.5 months in the PREP-IT group and open surgery group, respectively. Log-rank test indicated no significant difference between the two groups in terms of overall survival and cancer-specific survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>The PREP-IT is relatively safe and feasible for retroperitoneal LRN with right renal tumor and IVC tumor thrombus, allowing for a large workspace and wide exposure for IVC operations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/end.2023.0038","type":"journal-article","created":{"date-parts":[[2023,5,31]],"date-time":"2023-05-31T03:27:13Z","timestamp":1685503633000},"page":"986-994","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Pure Retroperitoneal Laparoscopic Peritoneum Incision Technique in Right Nephrectomy and Inferior Vena Cava Tumor Thrombectomy: A Novel Surgical Technique and Long-Term Outcomes from a Large Chinese Center"],"prefix":"10.1177","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5649-4458","authenticated-orcid":false,"given":"Jiyuan","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Urology, Peking University Third Hospital, Haidian, Beijing, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhuo","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Urology, Peking University Third Hospital, Haidian, Beijing, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongxian","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Urology, Peking University Third Hospital, Haidian, Beijing, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guoliang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Urology, Peking University Third Hospital, Haidian, Beijing, 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