{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T15:50:35Z","timestamp":1791993035660,"version":"4.4.0"},"reference-count":72,"publisher":"Public Library of Science (PLoS)","issue":"1","license":[{"start":{"date-parts":[[2025,1,30]],"date-time":"2025-01-30T00:00:00Z","timestamp":1738195200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosmedicine.org"],"crossmark-restriction":false},"short-container-title":["PLoS Med"],"abstract":"<jats:sec id=\"sec019\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>There is indication that the fallopian tubes might be involved in ovarian cancer pathogenesis and their removal reduces cancer risk. Hence, bilateral salpingectomy during hysterectomy or sterilization, so called opportunistic salpingectomy (OS), is gaining wide acceptance as a preventive strategy. Recently, it was discussed whether implementation of OS at other gynecologic surgery, e.g., cesarean section, endometriosis excision or myomectomy and even at non-gynecologic abdominal surgery such as cholecystectomy or appendectomy for women with completed family could be feasible. This modeling analysis evaluated the clinical and economic potential of OS at gynecologic and abdominal surgeries.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec020\">\n                    <jats:title>Methods and findings<\/jats:title>\n                    <jats:p>A state transition model representing all relevant health states (healthy, healthy with hysterectomy or tubal ligation, healthy with other gynecologic or non-gynecologic abdominal surgery, healthy with hysterectomy and salpingectomy, healthy with salpingectomy, healthy with hysterectomy and salpingo-oophorectomy, ovarian cancer and death) was developed and informed with transition probabilities based on inpatient case numbers in Germany (2019). Outcomes for women aged 20\u201385 years were simulated over annual cycles with 1,200,000 million individuals. We compared four strategies: (I) OS at any suitable abdominal surgery, (II) OS only at any suitable gynecologic surgery, (III) OS only at hysterectomy or sterilization, and (IV) no implementation of OS. Primary outcome measures were prevented ovarian cancer cases and deaths as well as the incremental cost-effectiveness ratio (ICER).<\/jats:p>\n                    <jats:p>Volume of eligible interventions in strategy I was 3.5 times greater than in strategy III (286,736 versus 82,319). With strategy IV as reference, ovarian cancer cases were reduced by 15.34% in strategy I, 9.78% in II, and 5.48% in III. Setting costs for OS to \u20ac216.19 (calculated from average OS duration and operating room minute costs), implementation of OS would lead to healthcare cost savings as indicated by an ICER of \u20ac\u22128,685.50 per quality-adjusted life year (QALY) gained for strategy I, \u20ac\u22128,270.55\/QALY for II, and \u20ac\u22124,511.86\/QALY for III. Sensitivity analyses demonstrated stable results over a wide range of input parameters with strategy I being the superior approach in the majority of simulations. However, the extent of cancer risk reduction after OS appeared as the critical factor for effectiveness. Preventable ovarian cancer cases dropped to 4.07% (I versus IV), 1.90% (II versus IV), and 0.37% (III versus IV) if risk reduction would be &lt;27% (hazard ratio [HR] &gt; 0.73). ICER of strategies I and II was lower than the 2\u00d7 gross domestic product per capita (GDP\/C) (\u20ac94,366\/QALY, Germany 2022) within the range of all tested parameters, but strategy III exceeded this threshold in case-risk reduction was &lt;35% (HR &gt; 0.65). The study is limited to data from the inpatient sector and direct medical costs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec021\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Based on our model, interdisciplinary implementation of OS in any suitable abdominal surgeries could contribute to prevention of ovarian cancer and reduction of healthcare costs. The broader implementation approach demonstrated substantially better clinical and economic effectiveness and higher robustness with parameter variation. Based on a lifetime cost saving of \u20ac20.89 per capita if OS was performed at any suitable abdominal surgery, the estimated total healthcare cost savings in Germany could be more than \u20ac10 million annually.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1371\/journal.pmed.1004514","type":"journal-article","created":{"date-parts":[[2025,1,30]],"date-time":"2025-01-30T13:28:14Z","timestamp":1738243694000},"page":"e1004514","update-policy":"https:\/\/doi.org\/10.1371\/journal.pmed.corrections_policy","source":"Crossref","is-referenced-by-count":17,"title":["Ovarian cancer prevention through opportunistic salpingectomy during abdominal surgeries: A cost-effectiveness modeling 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