Abstract
Background
The treatment of hypercortisolism for patients with bilateral adrenal disease (BAD) is controversial. Bilateral total adrenalectomy results in permanent hypocortisolaemia requiring lifelong steroid replacement. A more conservative surgical approach, with less than bilateral total adrenalectomy (leaving functional adrenal tissue either unilaterally or bilaterally), represents an alternative option; however, long-term outcome or recurrence data are limited. We report our experience with the surgical management of hypercortisolism caused by BAD.
Methods
Between 2004 and 2016, 42 patients (12 male, 30 female; mean age 58 ± 10 years) with clinical or subclinical Cushing’s syndrome (CS/sCS) caused by BAD underwent adrenal surgery via the posterior retroperitoneoscopic approach. Adrenal surgery was defined as “adrenalectomy” when total gland excision was performed or “resection” when a partial or subtotal adrenal resection was performed. Clinical, radiological and biochemical parameters were evaluated preoperatively and postoperatively.
Results
Seventy adrenal operations performed in total included unilateral resection (n = 3), unilateral adrenalectomy (n = 15), bilateral resection (n = 9), adrenalectomy and contralateral resection (n = 14) and bilateral total adrenalectomy (n = 3). Median operating time was 47.5 min (30–150) with no difference between unilateral and bilateral (synchronous included) procedures (p = 0.15). Mortality was zero. Clavien–Dindo grade of postoperative complications was I (n = 5) and IV (n = 3). All but one patient with CS and 17/31 patients with sCS received postoperative steroid supplementation for a median duration of 20 (1.5–129) months. After median follow-up of 40 months (3–129), the remission rate was 92%; 11 patients required ongoing steroid supplementation. There were three biochemical recurrences (two underwent contralateral resection); two patients with new/progressive radiological nodularity are biochemically eucortisolaemic. A significant reduction in BMI (p = 0.01) and antihypertensive requirements (p = 0.04) was observed postoperatively.
Conclusion
A surgical approach which facilitates the conservation of functional adrenal tissue represents a suitable strategy for hypercortisolism caused by BAD. This approach avoids the necessity for lifelong steroid replacement in the majority of cases with low rates of adrenal insufficiency and recurrence.
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Authors’ Contributions
A. Lowery contributed to study design, acquisition, analysis and interpretation of data, drafting of manuscript and critical revision of manuscript. B. Seeliger contributed to acquisition, analysis and interpretation of data, drafting and critical revision of the manuscript. These authors (A. Lowery and B. Seeliger) contributed equally to this work. P. Alesina contributed to acquisition, analysis and interpretation of data, drafting of manuscript and critical appraisal of manuscript. M. Walz conceived of the study, contributed to acquisition and interpretation of data and critical appraisal of the manuscript.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
All patients were treated by the institutional standard of care. Patient data were retrospectively analysed from the prospectively maintained institutional database. For this type of study, formal consent is not required (Professional Code of the German Medical Association, article B.III. § 15.1).
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No external funding has been received to support this study.
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Lowery AJ and Seeliger B contributed equally to this work.
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Lowery, A.J., Seeliger, B., Alesina, P.F. et al. Posterior retroperitoneoscopic adrenal surgery for clinical and subclinical Cushing’s syndrome in patients with bilateral adrenal disease. Langenbecks Arch Surg 402, 775–785 (2017). https://doi.org/10.1007/s00423-017-1569-6
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DOI: https://doi.org/10.1007/s00423-017-1569-6