{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T01:07:07Z","timestamp":1780708027504,"version":"3.54.1"},"reference-count":40,"publisher":"S. Karger AG","issue":"1","license":[{"start":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T00:00:00Z","timestamp":1750377600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T00:00:00Z","timestamp":1750377600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cardiorenal Med"],"abstract":"<jats:p>Background: Heart failure (HF) prevalence is increasing, and its prognosis worsens in the presence of other comorbidities. Up to 70% of patients develop cardiorenal syndrome (CRS), which is associated with diuretic resistance or kidney deterioration over time. Peritoneal dialysis (PD) for ultrafiltration (PD-UF) could be a potential therapeutic option in CRS, although its long-term outcomes have not been described. Methods: Retrospective registry study of the Catalan Renal Registry on patients with PD-UF indication between 2013 and 2022. Baseline clinical characteristics and follow-up until December\/2022 was studied. Results: Of the 1,874 incident patients on PD, 198 (10.6%) were PD-UF, 73.2% of the patients were male, and the mean age was 70.7 \u00b1 9.3 years. Median estimated glomerular filtration rate (eGFR) at start was 22.6 (IQR: 14.8\u201332.8) mL\/min\u00d71.73 m2 and 75.0% have an eGFR above 15 mL\/min\u00d71.73 m2. Previous history of ischemic heart disease, arrhythmia, or cardiac surgery was recorded, and 57.6% of patients had \u22652 of these pathologies. The most common HF etiology was ischemic heart disease in 21.7% of patients. Median overall patient survival was 21 (IQR: 17.3\u201324.3) months. Technique survival at 1 year was 94.8%, and 27 patients were transferred to other renal replacement therapy (hemodialysis or kidney transplantation). In the Cox multivariate analysis, age \u226575 years (HR: 1.76 [95% CI: 1.20\u20132.59]), mild frailty (HR: 2.18 [95% CI: 1.17\u20132.59]), severe frailty (HR: 17.62 [95% CI: 1.20\u201355.48]), and the burden of cardiac disease (2 categories HR: 2.17 [95% CI: 1.05\u20134.47]; 3 categories HR: 2.26 [95% CI: 1.05\u20134.89]) were associated with poor overall survival. Technique survival was associated with eGFR (&lt;30 mL\/min\u00d71.73 m2 HR: 5.64 [95% CI: 1.32\u201324.18]) and body mass index (&lt;20 kg\/m2 HR: 6.53 [95% CI: 1.06\u201340.12]) at baseline. Conclusion: PD-UF is a feasible option in patients with advanced HF and CRS. The complexity of this population increases with older age, frailty, and higher cardiac burden. <\/jats:p>","DOI":"10.1159\/000546924","type":"journal-article","created":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T12:02:45Z","timestamp":1750420965000},"page":"560-571","source":"Crossref","is-referenced-by-count":2,"title":["Long-Term Impact of Peritoneal Dialysis Ultrafiltration on Cardiorenal Patients"],"prefix":"10.1159","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3481-2520","authenticated-orcid":false,"given":"Sara","family":"N\u00fa\u00f1ez-Delgado","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Antonieta","family":"Azancot","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Bel\u00e9n","family":"M\u00e9ndez 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