{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T00:13:02Z","timestamp":1793059982414,"version":"4.5.0"},"reference-count":20,"publisher":"The Endocrine Society","issue":"9","license":[{"start":{"date-parts":[[2023,3,28]],"date-time":"2023-03-28T00:00:00Z","timestamp":1679961600000},"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":[[2023,8,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Context<\/jats:title>\n                    <jats:p>Adrenal venous sampling (AVS) is the gold standard procedure for subtype diagnosis in patients with primary aldosteronism (PA). Cortisol is usually adopted for the normalization of aldosterone levels in peripheral and adrenal samples. However, asymmetrical cortisol secretion can potentially affect the lateralization index, leading to subtype misdiagnosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>We aimed to assess the prevalence of asymmetrical cortisol secretion in patients undergoing AVS and whether variations in adrenal vein cortisol might influence AVS interpretations. We then evaluated the use of metanephrines for the normalization of aldosterone levels for lateralization index.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively included 101 patients with PA who underwent AVS: 49 patients underwent unstimulated AVS, while 52 patients underwent both unstimulated and cosyntropin-stimulated AVS. Eighty-eight patients had bilateral successful AVS according to metanephrine ratio. We assessed the prevalence of asymmetrical cortisol secretion through the cortisol to metanephrine (C\/M) lateralization index (LI). We then evaluated whether the use of aldosterone to metanephrine (A\/M) LI can improve the diagnostic accuracy of AVS compared with aldosterone to cortisol (A\/C) LI.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Asymmetrical cortisol secretion is present in 18% of patients with PA. Diagnosis with A\/M LI and A\/C LI is discordant in 14% of patients: 9% had a diagnosis of unilateral PA with A\/M LI instead of bilateral PA with A\/C LI and 5% had a diagnosis of bilateral PA with A\/M LI instead of unilateral PA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The assessment of metanephrine levels in AVS is useful for the determination of selectivity and lateralization, allowing an accurate diagnosis, especially in patients with asymmetrical cortisol secretion.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1210\/clinem\/dgad179","type":"journal-article","created":{"date-parts":[[2023,3,28]],"date-time":"2023-03-28T08:46:41Z","timestamp":1679993201000},"page":"e720-e725","source":"Crossref","is-referenced-by-count":34,"title":["Prevalence of Cortisol Cosecretion in Patients With Primary Aldosteronism: Role of Metanephrine in Adrenal Vein Sampling"],"prefix":"10.1210","volume":"108","author":[{"given":"Fabrizio","family":"Buffolo","sequence":"first","affiliation":[{"name":"Division of Internal Medicine and Hypertension Unit, Department of Medical Sciences, University of Torino , 10126 Torino , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacopo","family":"Pieroni","sequence":"additional","affiliation":[{"name":"Division of Internal Medicine and Hypertension Unit, Department of Medical Sciences, University of Torino , 10126 Torino , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Federico","family":"Ponzetto","sequence":"additional","affiliation":[{"name":"Endocrinology, Diabetes and Metabolism, Department of Medical Sciences, University of Turin, Turin, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vittorio","family":"Forestiero","sequence":"additional","affiliation":[{"name":"Division of Internal Medicine and Hypertension Unit, Department of Medical Sciences, University of Torino , 10126 Torino , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Denis","family":"Rossato","sequence":"additional","affiliation":[{"name":"Division of Radiology, University of Torino, 10126 Torino, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paolo","family":"Fonio","sequence":"additional","affiliation":[{"name":"Division of Radiology, University of Torino, 10126 Torino, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonello","family":"Nonnato","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, University of Torino, 10126 Torino, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabio","family":"Settanni","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine, University of Torino, 10126 Torino, 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