{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T12:05:24Z","timestamp":1768565124002,"version":"3.49.0"},"reference-count":38,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2022,1,14]],"date-time":"2022-01-14T00:00:00Z","timestamp":1642118400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Parathyroidectomy (PTX) is a mainstay of treating secondary hyperparathyroidism (SHPT) in patients with kidney failure in order to reduce the incidence of cardiovascular events (CVE), increase overall survival and improve quality of life. Perioperative hyperkalemia may lead to devastating cardiac complications. Distinct preoperative thresholds for serum potassium levels (SPL) were defined, but neither their usefulness nor consecutive risks are understood. This study compared the results and efficacy of different clinical procedures in preventing or treating perioperative hyperkalemia, including postoperative urgent hemodialysis (UHD). Methods: Patients from Charit\u00e9-Universit\u00e4tsmedizin Berlin and Rheinland Klinikum Lukaskrankenhaus, Neuss, undergoing PTX due to SHPT between 2008 and 2018 were analyzed retrospectively with regard to demographic parameters, surgery specific conditions and perioperative laboratory results. Comparisons of patient values from both centers with focus on perioperative hyperkalemia and the need for UHD were performed. Results: A total of 251 patients undergoing PTX for SHPT were included (Neuss: n = 121 (48%); Berlin: n = 130 (52%)). Perioperative hyperkalemia (SPL \u2265 5.5 mmol\/L) was noted in 134 patients (53%). UHD on the day of surgery was performed especially in patients with intraoperative hyperkalemia, in females (n = 40 (16%) vs. n = 27 (11%); p = 0.023), in obese patients (n = 27 (40%) vs. n = 50 (28%), p = 0.040) and more often in patients treated in Neuss (n = 42 (35%) vs. 25 (19%); p = 0.006). For patients treated in Neuss, the intraoperative hyperkalemia cut-off level above 5.75 mmol\/L was the most predictive factor for UHD (n = 30 (71%) vs. n = 8 (10%); p &lt; 0.001). Concerning secondary effects of hyperkalemia or UHD, no patient died within the postoperative period, and only three patients suffered from acute CVE, with SPL &gt; 5.5 mmol\/L measured in only one patient. Conclusion: Perioperative values could not predict postoperative hyperkalemia with the need for UHD. Previously defined cut-off levels for SPL should be reconsidered, especially for patients undergoing PTX. Early postoperative dialysis in patients with postoperative hyperkalemia can be performed with a low risk for complications and may be indicated for all patients with increased perioperative SPL.<\/jats:p>","DOI":"10.3390\/jcm11020409","type":"journal-article","created":{"date-parts":[[2022,1,16]],"date-time":"2022-01-16T20:44:00Z","timestamp":1642365840000},"page":"409","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Hyperkalemia Following Parathyroidectomy in Patients with Renal Hyperparathyroidism\u2014New Thresholds for Urgent Perioperative Dialysis"],"prefix":"10.3390","volume":"11","author":[{"given":"Claudia","family":"Bures","sequence":"first","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasmin","family":"Uluk","sequence":"additional","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mona","family":"Besmens","sequence":"additional","affiliation":[{"name":"Department of Surgery, Rheinland Klinikum Lukaskrankenhaus Neuss, 41464 Neuss, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aycan","family":"Akca","sequence":"additional","affiliation":[{"name":"Department of Surgery, Rheinland Klinikum Lukaskrankenhaus Neuss, 41464 Neuss, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1616-9826","authenticated-orcid":false,"given":"Eva-Maria","family":"Dobrindt","sequence":"additional","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Johann","family":"Pratschke","sequence":"additional","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Goretzki","sequence":"additional","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3676-047X","authenticated-orcid":false,"given":"Martina","family":"Mogl","sequence":"additional","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6395-0845","authenticated-orcid":false,"given":"Deniz","family":"Uluk","sequence":"additional","affiliation":[{"name":"Department of Surgery, Campus Mitte, Campus Virchow-Klinikum, Charit\u00e9-Universit\u00e4tsmedizin Berlin, 10117 Berlin, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1981","DOI":"10.1007\/s00268-019-05020-z","article-title":"Cardiovascular and Cerebrovascular Events After Parathyroidectomy in Patients on Renal Replacement Therapy","volume":"43","author":"Ivarsson","year":"2019","journal-title":"World J. 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