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1.
Climacteric ; 20(2): 97-102, 2017 Apr.
Article in English | MEDLINE | ID: mdl-28051892

ABSTRACT

Diet, exercise, cognitive behavioral therapy and pharmacotherapy are some of the means of assisting patients to lose weight, with bariatric surgery being the most effective. Over the last two decades, the increased awareness of the systemic benefits of bariatric surgery, as well as the improved safety and the wider use of the laparoscopic approach, has made bariatric surgery flourish. In the United Kingdom, the adjustable gastric band (10%), vertical sleeve gastrectomy (37%) and Roux-en-Y gastric bypass (45%) are the three most common procedures. Obesity-associated mortality and co-morbidities such as type 2 diabetes, hypertension, dyslipidemia, obstructive sleep apnea, renal dysfunction and depression improve significantly with bariatric surgery. The mechanisms of weight loss extend beyond restriction and malabsorption and include changes in hunger and satiety, food preferences, and possibly energy expenditure. Despite its safety and efficacy, bariatric surgery is underutilized as less than 1% of adults with obesity receive it. In view of the evolution of obesity into a global threat, access to bariatric surgery should be increased, whilst developing safer and less invasive weight loss treatments.


Subject(s)
Bariatric Surgery/trends , Obesity/surgery , Adult , Female , Humans , Male , Patient Acceptance of Health Care , Treatment Outcome , United Kingdom , United States , Weight Loss
2.
Article in English | MEDLINE | ID: mdl-26273475

ABSTRACT

UNLABELLED: We describe a young male patient with longstanding hypertension, who was diagnosed with primary hyperaldosteronism and treated by an attempted retroperitoneoscopic total unilateral adrenalectomy for a left-sided presumed aldosterone-secreting adenoma. Imaging had shown an unremarkable focal adrenal lesion with normal contralateral adrenal morphology, and histology of the resected specimen showed no adverse features. Post-operatively, his blood pressure and serum aldosterone levels fell to the normal range, but 9 months later, his hypertension recurred, primary aldosteronism was again confirmed and he was referred to our centre. Repeat imaging demonstrated an irregular left-sided adrenal lesion with normal contralateral gland appearances. Adrenal venous sampling was performed, which supported unilateral (left-sided) aldosterone hypersecretion. Redo surgery via a laparoscopically assisted transperitoneal approach was performed and multiple nodules were noted extending into the retroperitoneum. It was thought unlikely that complete resection had been achieved. His blood pressure returned to normal post-operatively, although hypokalaemia persisted. Histological examination, from this second operation, showed features of an adrenocortical carcinoma (ACC; including increased mitoses and invasion of fat) that was assessed as malignant using the scoring systems of Weiss and Aubert. Biochemical hyperaldosteronism persisted post-operatively, and detailed urine steroid profiling showed no evidence of adrenal steroid precursors or other mineralocorticoid production. He received flank radiotherapy to the left adrenal bed and continues to receive adjunctive mitotane therapy for a diagnosis of a pure aldosterone-secreting ACC. LEARNING POINTS: Pure aldosterone-secreting ACCs are exceptionally uncommon, but should be considered in the differential diagnosis of patients presenting with primary aldosteronism.Aldosterone-producing ACCs may not necessarily show typical radiological features consistent with malignancy.Patients who undergo surgical treatment for primary aldosteronism should have follow-up measurements of blood pressure to monitor for disease recurrence, even if post-operative normotension is thought to indicate a surgical 'cure'.Owing to the rarity of such conditions, a greater understanding of their natural history is likely to come from wider cooperation with, and contribution to, large multi-centre outcomes databases.

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