{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T07:06:58Z","timestamp":1779692818714,"version":"3.53.1"},"reference-count":22,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2017,3,1]],"date-time":"2017-03-01T00:00:00Z","timestamp":1488326400000},"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":[[2017,3]]},"abstract":"\n Objective:<\/jats:title>\n To determine whether or not temporary drainage is necessary immediately following laparoscopic (lap) and robot-assisted (rob) pyeloplasty (PP).<\/jats:p>\n <\/jats:sec>\n \n Patients and Methods:<\/jats:title>\n \n Of 99 patients undergoing lap PP (\n n<\/jats:italic>\n \u2009=\u200923) or rob PP (\n n<\/jats:italic>\n \u2009=\u200976) for treatment of ureteropelvic junction obstruction (UPJO), 52 had no drainage, 47 were given an \u201ceasy-flow\u201d drain (EFD). The volume of leaking urine (in mL) was defined as the volume of drainage fluid (in mL)\u2009\u00d7\u2009creatinine concentration in drainage fluid (in \u03bcmol\/mL)\/median urine creatinine concentration (in \u03bcmol\/mL). An anastomosis was considered to be leaking if the volume of leaking urine exceeded 5\u2009mL\/24 hours. During follow-up the PP success rate was evaluated based on clinical symptoms, intravenous urography and diuretic renography for detection of persisting obstruction.\n <\/jats:p>\n <\/jats:sec>\n \n Results:<\/jats:title>\n \n Median creatinine concentration in drainage fluid was 90\u2009\u03bcmol\/L (range 44\u20136270\u2009\u03bcmol\/L) in a median volume of 84\u2009mL (range 5\u20131400\u2009mL) drained fluid in 24 hours. The median leaking urine volume was 1.18\u2009mL (range 0.07\u2013291.34\u2009mL), a leaking anastomosis was diagnosed in 5\/47 (11%) patients. In patients with EFD and without EFD, complications occurred in 15% and 8% (\n p<\/jats:italic>\n \u2009=\u20090.342), respectively, with success rates of 98% and 100% (\n p<\/jats:italic>\n \u2009=\u20090.475). Complications (Clavien I-III) occurred in 4\/42 (9.5%) patients with watertight and in 3\/5 (60%) patients with leaking anastomosis (\n p<\/jats:italic>\n \u2009=\u20090.019). No statistically significant differences were noted between lap PP and rob PP patients regarding complication and success rates.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion:<\/jats:title>\n Lap PP and rob PP were primary watertight in 89% of all patients. A primary leaking anastomosis had no influence on PP outcome, but was associated with a higher risk of complications. However, neither the success rate nor the complication rate differed between drained and undrained patients. We conclude, therefore, that drainage is not necessary.<\/jats:p>\n <\/jats:sec>","DOI":"10.1089\/end.2016.0655","type":"journal-article","created":{"date-parts":[[2017,1,6]],"date-time":"2017-01-06T23:18:26Z","timestamp":1483744706000},"page":"295-299","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["The Watertightness of the Anastomosis After Laparoscopic or Robot-Assisted Pyeloplasty: Is a Drainage Necessary?"],"prefix":"10.1177","volume":"31","author":[{"given":"Annika","family":"R\u00fchle","sequence":"first","affiliation":[{"name":"Luzerner Kantonsspital","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emilio","family":"Arbelaez","sequence":"additional","affiliation":[{"name":"Luzerner Kantonsspital","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Agostino","family":"Mattei","sequence":"additional","affiliation":[{"name":"Luzerner Kantonsspital","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hansjoerg","family":"Danuser","sequence":"additional","affiliation":[{"name":"Luzerner Kantonsspital","place":["Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2017,3,1]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(17)35898-6"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0090-4295(99)80345-8"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ucl.2008.05.012"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2005.11.024"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1159\/000052351"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2006.10.049"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0302-2838(02)00315-9"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-007-9436-0"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.eururo.2005.08.004"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0302-2838(03)00297-5"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00345-009-0483-0"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11701-007-0065-3"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.eururo.2013.06.053"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.urology.2005.01.053"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005392-199909010-00016"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.eururo.2009.03.063"},{"key":"e_1_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1464-410X.2009.08983.x"},{"key":"e_1_3_3_19_2","doi-asserted-by":"publisher","DOI":"10.1111\/bju.12652"},{"key":"e_1_3_3_20_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2010.0505"},{"key":"e_1_3_3_21_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1464-410X.2009.08682.x"},{"key":"e_1_3_3_22_2","doi-asserted-by":"publisher","DOI":"10.1089\/end.2005.19.393"},{"key":"e_1_3_3_23_2","unstructured":"Arndt T. 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