{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T18:18:34Z","timestamp":1787509114545,"version":"build-2736575974"},"reference-count":18,"publisher":"Walter de Gruyter GmbH","issue":"4","license":[{"start":{"date-parts":[[2025,6,30]],"date-time":"2025-06-30T00:00:00Z","timestamp":1751241600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,12,16]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"j_pp-2025-0014_abs_001\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>In 2020, Pressurized Intraperitoneal Aerosol Chemotherapy (PIPAC) reached stage 2b of the IDEAL framework and a prospective international PIPAC database was launched in June 2020 by the International Society for the Study of the Pleura and Peritoneum (ISSPP). The ISSPP PIPAC database consists of six key elements, which are reported in an annual report. The ISSPP Registry Group decided to investigate data completeness within the ISSPP PIPAC Database.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_pp-2025-0014_abs_002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Retrospective analysis of data completeness in the six key elements was performed between October 1st and 14th, 2024. This was complemented by an in-depth analysis of missing data in\n                      <jats:italic>Response Evaluation, Complications,<\/jats:italic>\n                      and\n                      <jats:italic>Follow-up<\/jats:italic>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_pp-2025-0014_abs_003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Thirty centers, 950 patients, and 2777 PIPAC procedures were registered in the ISSPP database by October 2024. Sixteen of the 30 centers had included patients. Incomplete data were observed in four of the six key elements. Most centers (7\/16) had incomplete data in\n                      <jats:italic>Complications<\/jats:italic>\n                      , followed by\n                      <jats:italic>Response evaluation<\/jats:italic>\n                      (5\/16), and\n                      <jats:italic>Follow-up<\/jats:italic>\n                      (2\/16). In depth analysis showed that, e.g., for complications, the date and type of the complication was registered in 88 and 89\u202f%, respectively. Incomplete data in\n                      <jats:italic>Response evaluation<\/jats:italic>\n                      occurred mainly in the small group of patients evaluated by nonperitoneal regression grading score (non-PRGS, n=316), where no scoring was provided in 211 patients (72\u202f%).\n                      <jats:italic>Follow-up<\/jats:italic>\n                      data, such as date of death or reasons for stopping PIPAC, were provided for 86 and 85\u202f% of patients.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_pp-2025-0014_abs_004\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Overall data completeness of the ISSPP PIPAC Database was considered satisfactory at the present state, and the ISSPP Registry Group has launched several initiatives to further improve data completeness and quality, to provide solid data sets for future annual reports and other research.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1515\/pp-2025-0014","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T02:57:47Z","timestamp":1750993067000},"page":"163-170","source":"Crossref","is-referenced-by-count":2,"title":["Assessing data completeness in the international society for the study of pleura and peritoneum (ISSPP) PIPAC database: a multicenter evaluation from 2020\u20132024"],"prefix":"10.1515","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-4358-6796","authenticated-orcid":false,"given":"Magnus Skov","family":"J\u00f8rgensen","sequence":"first","affiliation":[{"name":"Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC) , 11286 Odense University Hospital , Odense , Denmark"},{"name":"Department of Surgery , Odense University Hospital , Odense , Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-9615-8704","authenticated-orcid":false,"given":"Pernille Shj\u00f8dt","family":"Hansen","sequence":"additional","affiliation":[{"name":"Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC) , 11286 Odense University Hospital , Odense , Denmark"},{"name":"Department of Surgery , Odense University Hospital , Odense , Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2721-0967","authenticated-orcid":false,"given":"Claus Wilki","family":"Fristrup","sequence":"additional","affiliation":[{"name":"Odense PIPAC Center (OPC) and Odense Pancreas Center (OPAC) , 11286 Odense University Hospital , Odense , Denmark"},{"name":"Department of Surgery , Odense University Hospital , Odense , Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"H\u00fcbner","sequence":"additional","affiliation":[{"name":"Lausanne University Hospital CHUV, University of Lausanne , Lausanne , Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jimmy","family":"So","sequence":"additional","affiliation":[{"name":"Surgery , National University Hospital , Singapore , Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0270-5090","authenticated-orcid":false,"given":"Anne-Cecile","family":"Ezanno","sequence":"additional","affiliation":[{"name":"Department of Surgery , H\u00f4pital d\u2019Instruction des Arm\u00e9es Begin , Saint-Mande , France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Hewett","sequence":"additional","affiliation":[{"name":"Department of Surgery , The Queen Elizabeth Hospital , Woodville South , SA , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miguel","family":"Ruiz-Marin","sequence":"additional","affiliation":[{"name":"Department of Surgery , Reina Sofia University General Hospital , Murcia , Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0852-6002","authenticated-orcid":false,"given":"G\u00fcnther","family":"Rezniczek","sequence":"additional","affiliation":[{"name":"Obstetrics & Gynecology , Marien Hospital Herne, Klinikum der Ruhr-Universit\u00e4t Bochum , Herne , Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00d6zg\u00fcl","family":"D\u00fczg\u00fcn","sequence":"additional","affiliation":[{"name":"Department of Surgical Oncology , \u0130stanbul \u00dcmraniye Training and Research Hospital , Istanbul , T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4793-0008","authenticated-orcid":false,"given":"Marc","family":"Pocard","sequence":"additional","affiliation":[{"name":"Department of Digestive, Hepatobiliary Surgery and Liver Transplantation , Piti\u00e9-Salp\u00eatri\u00e8re Hospital, Assistance Publique-H\u00f4pitaux de Paris , Paris , France"},{"name":"Universit\u00e9 Paris Cit\u00e9, CNRS UMR 8175, Inserm UMR-S 1334, NABI Paris , France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco","family":"Casella","sequence":"additional","affiliation":[{"name":"General and Upper GI Surgery , University of Verona , Verona , Veneto , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Lay","sequence":"additional","affiliation":[{"name":"Department of Gynecology Surgical Area at the Institute of Oncology A. H. Roffo, University of Buenos Aires , Buenos Aires , Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marisa","family":"Aral","sequence":"additional","affiliation":[{"name":"General Surgery Department , Centro Hospitalar Universit\u00e1rio de S\u00e3o Jo\u00e3o , Porto , Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tarkan","family":"J\u00e4ger","sequence":"additional","affiliation":[{"name":"Department of Surgery , Paracelsus Medical University , Salzburg , Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix","family":"Laminger","sequence":"additional","affiliation":[{"name":"Department of Surgery , Center for Peritoneal Carcinomatosis, Hanusch-Krankenhaus , Vienna , Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oliver","family":"Glehen","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Digestive et Oncologique , H\u00f4pital Lyon Sud, Hospices Civils de Lyon , Lyon , France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claire-Ang\u00e9line","family":"Goutard","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Digestive et Oncologique , H\u00f4pital Lyon Sud, Hospices Civils de Lyon , Lyon , France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8713-7821","authenticated-orcid":false,"given":"Laurent","family":"Villeneuve","sequence":"additional","affiliation":[{"name":"Service de Chirurgie Digestive et Oncologique , H\u00f4pital Lyon Sud, Hospices Civils de Lyon , Lyon , France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Di Giorgio","sequence":"additional","affiliation":[{"name":"Surgical Unit of Peritoneum and Retroperitoneum , Fondazione Policlinico Universitario A. 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