{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T14:05:44Z","timestamp":1789567544836,"version":"build-2803163510"},"reference-count":18,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,9,25]],"date-time":"2021-09-25T00:00:00Z","timestamp":1632528000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["bjui-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJU International"],"published-print":{"date-parts":[[2022,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>\n                      To describe a novel syphoning ureteric access sheath (UAS) intended for use during flexible ureterorenoscopy (URS). We aimed to assess if\n                      <jats:italic>in\u2009vitro<\/jats:italic>\n                      it could reduce intrarenal pressure (IRP) and increase irrigant flow compared to traditional UASs.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      A validated phantom kidney with fibre optic pressure sensing capabilities was used to assess the IRP. Standardised 80\u2009cmH\n                      <jats:sub>2<\/jats:sub>\n                      O irrigation via a ureterorenoscope was instilled through traditional UASs (11\/13 and 12\/14\u2009F) and compared to the novel 11\/13\u2010F syphoning UAS. The measured minute volume, calculated hourly flow volume, and steady state IRP were compared.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The traditional 11\/13 and 12\/14\u2010F UASs had statistically poorer irrigant flow than the novel syphoning UAS, at 19.3 vs 29.3\u2009mL\/min (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001) and 22.7 vs 29.3\u2009mL\/min (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.002), respectively. The steady state IRP was 20\u2009mmHg for the traditional 11\/13\u2009F and 13\u2009mmHg for the 12\/14\u2009F compared to 0\u2009mmHg for the novel UAS.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      The described novel UAS is different from traditional devices by incorporating a syphon mechanism. Our\n                      <jats:italic>in\u2009vitro<\/jats:italic>\n                      assessment demonstrates that the novel UAS holds clinical potential to reduce IRP while allowing a significant increase in irrigant flow compared to larger diameter traditional UASs.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bju.15593","type":"journal-article","created":{"date-parts":[[2021,9,8]],"date-time":"2021-09-08T16:05:10Z","timestamp":1631117110000},"page":"642-647","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Novel syphon ureteric access sheath has the potential to improve renal pressures and irrigant flow"],"prefix":"10.1111","volume":"129","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2417-8332","authenticated-orcid":false,"given":"John","family":"Lazarus","sequence":"first","affiliation":[{"name":"Division of Urology Groote Schuur Hospital  Cape Town South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7417-735X","authenticated-orcid":false,"given":"Lisa","family":"Kaestner","sequence":"additional","affiliation":[{"name":"Division of Urology Groote Schuur Hospital  Cape Town South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,9,25]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eururo.2012.03.052"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1924.02650340017006"},{"key":"e_1_2_10_4_1","first-page":"4: 373","article-title":"Intraluminal pressure profiles during flexible ureterorenoscopy","author":"Jung H","year":"2015","journal-title":"SpringerPlus"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0208209"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1089\/end.2018.0395"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/bju.14389"},{"key":"e_1_2_10_8_1","unstructured":"T\u00fcrkC NeisiusA PetrikAet\u2009al.EAU Guidelines on Urolithiasis. 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