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Biomedical subjects

G Burda

Publications and source records attributed to G Burda.

20 records · Page 2Linked to original sources

Aldosterone and testosterone producing adrenal adenoma in childhood.

An 8-year-old boy presented with precocious puberty and hypertension. He had hypokalemia, increased serum aldosterone and testosterone levels and low plasma renin activity. An adrenal adenoma was found using imaging methods and was removed. Postoperatively aldosterone, testosterone and blood pressure returned to normal. Renal ultrasonography findings were consistent with nephrocalcinosis, which might be explained by long lasting hypokalemic metabolic alkalosis and hypercalciuria. Precocious pseudopuberty progressed into true puberty due to the maturational effect of testosterone. Nephrocalcinosis was still present 8 years later and hypertension was recurring obviously as a consequence of increased peripheral resistance.

Adenoma↗

[Therapy refractory arterial hypotension after heart operation].

Adrenalin insufficiency associated with adrenal hemorrhage, is a rare complication after cardiac surgery in neonates. A boy suffering from transposition of the great arteries, who had an arterial switch-operation on day three of his life, acquired a bilateral adrenal hemorrhage. Clinically the situation resembled a septic shock. Despite large doses of catecholamines, he continued to have severe arterial hypotension, anuria, and kyperkalemia. The clinical condition did not change, although sepsis specific therapy was initiated. Consequently adrenal insufficiency, as a possible postoperative complication, was considered and prednisolon, initially in a dose of 15 mg/kg/d, was administered. The clinical condition improved dramatically. The diagnosis could be confirmed by ultrasound examination and determination of cortisol and ACTH plasma levels. Adrenal insufficiency was only transitory, adrenal sonography on day 135 returned to normal. The surgical procedure on heart-lung bypass, the obligatory anticoagulation and the perioperative stress have to be considered as pathogenetic factors.

Adrenal Insufficiency↗