{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:25:59Z","timestamp":1791246359340,"version":"4.1.0"},"reference-count":42,"publisher":"The Endocrine Society","issue":"12","license":[{"start":{"date-parts":[[2023,6,8]],"date-time":"2023-06-08T00:00:00Z","timestamp":1686182400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,11,17]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Context<\/jats:title><jats:p>In Cushing disease, the association between the rate of serum cortisol decline and recurrent disease after corticotroph adenoma removal has not been adequately characterized.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To analyze postoperative serum cortisol and recurrence rates in Cushing disease.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients with Cushing disease and pathology-confirmed corticotroph adenoma were retrospectively studied. Cortisol halving time was estimated using exponential decay modeling. Halving time, first postoperative cortisol, and nadir cortisol values were collected using immediate postoperative inpatient laboratory data. Recurrence and time-to-recurrence were estimated and compared among cortisol variables.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 320 patients met inclusion\/exclusion criteria for final analysis, and 26 of those patients developed recurrent disease. Median follow-up time was 25 months (95% CI, 19-28 months), and 62 patients had \u2265 5 years follow-up time. Higher first postoperative cortisol and higher nadir were associated with increased risk of recurrence. Patients who had a first postoperative cortisol \u2265 50 \u00b5g\/dL were 4.1 times more likely to recur than those with a first postoperative cortisol &amp;lt; 50 \u00b5g\/dL (HR 4.1, 1.8-9.2; P = .0003). Halving time was not associated with recurrence (HR 1.7, 0.8-3.8, P = .18). Patients with a nadir cortisol \u22652 \u00b5g\/dL were 6.6 times more likely to recur than those with a nadir cortisol of &amp;lt; 2 \u00b5g\/dL (HR 6.6, 2.6-16.6, P &amp;lt; .0001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Postoperative nadir serum cortisol is the most important cortisol variable associated with recurrence and time-to-recurrence. Compared to first postoperative cortisol and cortisol halving time, a nadir &amp;lt; 2 \u00b5g\/dL showed the strongest association with long-term remission and typically occurs within the first 24 to 48 hours after surgery.<\/jats:p><\/jats:sec>","DOI":"10.1210\/clinem\/dgad347","type":"journal-article","created":{"date-parts":[[2023,6,8]],"date-time":"2023-06-08T20:12:29Z","timestamp":1686255149000},"page":"3287-3294","source":"Crossref","is-referenced-by-count":11,"title":["Postoperative Serum Cortisol and Cushing Disease Recurrence in Patients With Corticotroph Adenomas"],"prefix":"10.1210","volume":"108","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0411-6903","authenticated-orcid":false,"given":"Michael P","family":"Catalino","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, The University of North Carolina , Chapel Hill, NC 27599 , USA"},{"name":"Department of Neurosurgery, Brigham and Women's Hospital\/Harvard Medical School , Boston, MA 02115 , 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