Surgery · 2018
Primary aldosteronism with nonlocalizing imaging.
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Wachtel Heather, Bhandari Sonia, Roses Robert E, Cohen Debbie L, Trerotola Scott O, Fraker Douglas L
Аннотация
BACKGROUND: Unilateral primary aldosteronism is surgically curable. The goal of this study was to examine outcomes based on preoperative imaging findings.
METHODS: We performed a retrospective analysis of patients with primary aldosteronism who underwent adrenal vein sampling. Patients were classified by imaging as localized (unilateral adrenal mass) or nonlocalized (no mass/bilateral masses). Outcomes were assessed as complete, partial, or absent clinical success.
RESULTS: Of 446 patients, 74.9% were localized. There were no significant demographic or biochemical differences between groups; however the imaged tumor size was larger (median 1.3 vs 1.2 cm, P = .038), and rates of lateralizing adrenal vein sampling were higher (79.0% vs 62.2%, P < .001) in the localized group. Of 289 patients who underwent adrenalectomy, adenoma was the most common finding in both groups (79.7% vs 80.3% respectively, P = .447), but median tumor size was larger in localized patients (1.5 vs 1.0 cm, P < .001). Equivalent rates of partial (94.6% vs 91.7%, P = .456) and complete (8.7% vs 9.8%, P = .801) clinical success were observed. At long-term follow-up, nonlocalized patients experienced partial reversal of clinical improvement.
CONCLUSION: Primary aldosteronism patients with nonlocalizing imaging but lateralizing adrenal vein sampling benefit from adrenalectomy. Regardless of imaging findings, adrenal vein sampling is indicated to determine whether patients may be surgically curable.
METHODS: We performed a retrospective analysis of patients with primary aldosteronism who underwent adrenal vein sampling. Patients were classified by imaging as localized (unilateral adrenal mass) or nonlocalized (no mass/bilateral masses). Outcomes were assessed as complete, partial, or absent clinical success.
RESULTS: Of 446 patients, 74.9% were localized. There were no significant demographic or biochemical differences between groups; however the imaged tumor size was larger (median 1.3 vs 1.2 cm, P = .038), and rates of lateralizing adrenal vein sampling were higher (79.0% vs 62.2%, P < .001) in the localized group. Of 289 patients who underwent adrenalectomy, adenoma was the most common finding in both groups (79.7% vs 80.3% respectively, P = .447), but median tumor size was larger in localized patients (1.5 vs 1.0 cm, P < .001). Equivalent rates of partial (94.6% vs 91.7%, P = .456) and complete (8.7% vs 9.8%, P = .801) clinical success were observed. At long-term follow-up, nonlocalized patients experienced partial reversal of clinical improvement.
CONCLUSION: Primary aldosteronism patients with nonlocalizing imaging but lateralizing adrenal vein sampling benefit from adrenalectomy. Regardless of imaging findings, adrenal vein sampling is indicated to determine whether patients may be surgically curable.