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The aim was to evaluate the role of imaging for predicting the most suitable PSSS approach.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and methods<\/jats:title>\n                    <jats:p>\n                      Forty-four patients who underwent PSSS (2002 to 2013) were examined by contrast-enhanced CT (\n                      <jats:italic>n<\/jats:italic>\n                      = 33) and\/or MRI (\n                      <jats:italic>n<\/jats:italic>\n                      = 15) prior to surgery. Imaging was analyzed independently by two observers (O1 and O2) with different levels of experience (O1 &gt; O2). They recommended two shunting techniques (vessels and anastomotic variant) for each patient and ranked them according to their appropriateness and complexity. Findings were compared with the actually performed shunt procedure and its outcome.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The first two choices taken together covered the performed PSSS regarding vessels in 88%\/100% (CT\/MRI, O1) and 76%\/73% (O2); and vessels + anastomosis in 79%\/73% (O1) and 67%\/60% (O2). The prediction of complex surgical procedures (resection of interposing structures, additional thrombectomy, use of a collateral vessel, and use of a graft interposition) was confirmed in 87%, resulting in 80% sensitivity and 96% specificity. Larger shunt vessel distances were associated with therapy failure (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.030) and a vessel distance of \u2265 20 mm was identified as optimal cutoff, in which a graft interposition was used. There was no significant difference between MRI and CT in predicting the intraoperative decisions (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.294 to 1.000).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Preoperative imaging and an experienced radiologist can guide surgeons in PSSS. CT and MRI provide the information necessary to identify technically feasible variants and complicating factors.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00261-020-02599-z","type":"journal-article","created":{"date-parts":[[2020,6,5]],"date-time":"2020-06-05T00:17:12Z","timestamp":1591316232000},"page":"2726-2735","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Portosystemic shunt surgery in the era of TIPS: imaging-based planning of the surgical approach"],"prefix":"10.1007","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3622-3268","authenticated-orcid":false,"given":"Uli","family":"Fehrenbach","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Safak","family":"G\u00fcl-Klein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel","family":"de Sousa Mendes","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ingo","family":"Steffen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julienne","family":"Stern","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dominik","family":"Geisel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gero","family":"Puhl","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Timm","family":"Denecke","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,6,5]]},"reference":[{"key":"2599_CR1","doi-asserted-by":"crossref","unstructured":"Knechtle SJ, D\u2019Alessandro AM, Armbrust MJ, Musat A, Kalayoglu M (1999) Surgical portosystemic shunts for treatment of portal hypertensive bleeding: outcome and effect on liver function. 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