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  • Title: Bartter syndrome-like phenotype in a patient with diabetes: a case report.
    Author: Dalugama C, Pathirage M, Kularatne SAM.
    Journal: J Med Case Rep; 2018 Aug 17; 12(1):222. PubMed ID: 30115098.
    Abstract:
    BACKGROUND: Bartter's syndrome is a rare genetic tubulopathy affecting the loop of Henle leading to salt wasting. It is commonly seen in utero or in early neonatal period. Rare cases of acquired Bartter's syndrome are reported in association with infections like tuberculosis, granulomatous conditions like sarcoidosis, autoimmune diseases, and drugs. The mainstay of management includes potassium, calcium, and magnesium supplementation. CASE PRESENTATION: We report the case of a 62-year-old Sri Lankan Sinhalese man with diabetes and hypertension presenting with generalized weakness with clinical evidence of proximal myopathy. He was severely hypokalemic with high urinary potassium excretion and hypochloremic metabolic alkalosis. He poorly responded to intravenously administered potassium supplements. A diagnosis of idiopathic Bartter-like phenotype was made. He responded well to spironolactone and indomethacin. CONCLUSIONS: Patients presenting with body weakness need serum potassium estimation. Acquired Bartter's syndrome although rare, should be ruled out in those with hypokalemia and metabolic alkalosis with increased urinary potassium loss with poor response to potassium replacement.
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