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We sought to identify risk factors associated with prolonged length of stay (LOS) and readmission in this patient population.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients with secondary hyperparathyroidism who underwent parathyroidectomy were reviewed in the ACS\u2010NSQIP database (2011\u20132016). Patients were identified by ICD codes specific to secondary hyperparathyroidism of renal origin and the ACS\u2010NSQIP variable for current preoperative dialysis. Multivariable logistic regression was used to identify independent factors associated with prolonged LOS and 30\u2010day readmission after parathyroidectomy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The cohort included 1846 patients with secondary hyperparathyroidism on dialysis who underwent parathyroidectomy. There were 416 (22.5%) patients classified under the prolonged LOS group. On multivariable analysis, factors associated with prolonged LOS included elevated preoperative alkaline phosphatase [OR 3.13 (95%\u2010CI 2.09\u20134.70), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001], decreased preoperative hematocrit [OR 1.83 (95%\u2010CI 1.25\u20132.68), <jats:italic>p<\/jats:italic>\u2009=\u20090.002], unplanned reoperation (OR 5.02 [95%\u2010CI 2.22\u201311.3], <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) and any postoperative complication [OR 6.12 (95%\u2010CI 3.31\u201311.3), <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001]. The overall 30\u2010day readmission rate was 15.0%. Hypocalcemia and hungry bone syndrome accounted for 47.0% (<jats:italic>n<\/jats:italic>\u2009=\u200993\/198) of readmissions. On multivariable analysis, patients with a history of hypertension and those undergoing unplanned reoperation were at risk of readmission [2.16 (95%\u2010CI 1.21\u20133.87), <jats:italic>p<\/jats:italic>\u2009=\u20090.009, and 2.40 (95%\u2010CI 1.15\u20135.02), <jats:italic>p<\/jats:italic>\u2009=\u20090.020, respectively], whereas reoperative parathyroidectomy was inversely associated with readmission (OR 0.24, 95%\u2010CI 0.07\u20130.80, <jats:italic>p<\/jats:italic>\u2009=\u20090.021).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In patients undergoing parathyroidectomy for renal secondary hyperparathyroidism, several readily available preoperative biochemical markers, including those of increased bone turnover and anemia, are associated with prolonged postoperative LOS. Unplanned reoperation was predictive of both increased LOS and readmission.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00268-020-05711-y","type":"journal-article","created":{"date-parts":[[2020,7,31]],"date-time":"2020-07-31T14:02:46Z","timestamp":1596204166000},"page":"3751-3760","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Risk Factors for Prolonged Length of Stay and Readmission After Parathyroidectomy for Renal Secondary Hyperparathyroidism"],"prefix":"10.1002","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2460-9235","authenticated-orcid":false,"given":"Dessislava","family":"Stefanova","sequence":"first","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timothy M.","family":"Ullmann","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica","family":"Limberg","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maureen","family":"Moore","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toni","family":"Beninato","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rasa","family":"Zarnegar","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas J.","family":"Fahey","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brendan M.","family":"Finnerty","sequence":"additional","affiliation":[{"name":"Department of Surgery, Weill Cornell Medical College NewYork\u2010Presbyterian Hospital 525 E 68th Street, Suite F\u2010838 10065 New York NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,7,31]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0039\u20106109(16)44189\u20107"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.2215\/CJN.12941213"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ki.5002009"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.3122\/jabfm.2009.05.090026"},{"key":"e_1_2_6_6_1","first-page":"3","article-title":"Management of calcium refilling post\u2010parathyroidectomy in end\u2010stage renal disease","volume":"17","author":"Cozzolino M","year":"2004","journal-title":"J Nephrol"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12882\u2010016\u20100421\u20105"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.transproceed.2009.06.207"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMcp0803050"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.2215\/CJN.10390917"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1097\/MNH.0000000000000327"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0272\u20106386(03)00909\u20100"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0272\u20106386(97)90131\u20101"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002\u20109343(88)90100\u20103"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1530\/EJE\u201012\u20100528"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1159\/000151722"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1177\/000313480407000204"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1177\/0194599817721154"},{"key":"e_1_2_6_19_1","doi-asserted-by":"crossref","unstructured":"Jofr\u00e9R L\u00f3pez G\u00f3mezJM Men\u00e1rguezJet al. 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