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1.
Indian Pediatr ; 2013 March; 50(3): 331-333
Article in English | IMSEAR | ID: sea-169727

ABSTRACT

We report a newborn girl with life-threatening hyperkalemia and salt wasting crisis due to severe autosomal recessive multiple target organ dysfunction pseudohypoaldosteronism type 1 (MTOD PHA1). She was aggressively managed with intravenous fluids, potassiumlowering agents, high-dose sodium chloride supplementation and peritoneal dialysis. Genetic analysis revealed a homozygous mutation of the α- ENaC (epithelial Na+ channel) gene. She had a stormy clinical course with refractory hyperkalemia and prolonged hospitalization. Eventually, she succumbed to pneumonia and septicemia at 4 months of age. This is probably the first case of PHA1 confirmed by genetic analysis from India.

2.
Journal of the Korean Society of Pediatric Nephrology ; : 137-142, 2013.
Article in Korean | WPRIM | ID: wpr-138367

ABSTRACT

Pseudohypoaldosteronism (PHA) is a condition characterized by renal salt wasting, hyperkalemia, and metabolic acidosis due to renal tubular resistance to aldosterone. Systemic PHA1 is a more severe condition caused by defective transepithelial sodium transport due to mutations in the genes encoding the alpha (SCNN1A), beta (SCNN1B), or gamma (SCNN1G) subunits of the epithelial sodium channel at the collecting duct, and involves the sweat glands, salivary glands, colon, and lung. Although systemic PHA1 is a rare disease, we believe that genetic studies should be performed in patients with normal renal function but with high plasma renin and aldosterone levels, without a history of potassium-sparing diuretic use or obstructive uropathy. In the present report, we describe a case of autosomal recessive PHA1 that was genetically diagnosed in a newborn after severe hyperkalemia was noted.


Subject(s)
Humans , Infant, Newborn , Acidosis , Aldosterone , Colon , Epithelial Sodium Channels , Hyperkalemia , Hyponatremia , Lung , Plasma , Pseudohypoaldosteronism , Rare Diseases , Renin , Salivary Glands , Sodium , Sweat Glands
3.
Journal of the Korean Society of Pediatric Nephrology ; : 137-142, 2013.
Article in Korean | WPRIM | ID: wpr-138366

ABSTRACT

Pseudohypoaldosteronism (PHA) is a condition characterized by renal salt wasting, hyperkalemia, and metabolic acidosis due to renal tubular resistance to aldosterone. Systemic PHA1 is a more severe condition caused by defective transepithelial sodium transport due to mutations in the genes encoding the alpha (SCNN1A), beta (SCNN1B), or gamma (SCNN1G) subunits of the epithelial sodium channel at the collecting duct, and involves the sweat glands, salivary glands, colon, and lung. Although systemic PHA1 is a rare disease, we believe that genetic studies should be performed in patients with normal renal function but with high plasma renin and aldosterone levels, without a history of potassium-sparing diuretic use or obstructive uropathy. In the present report, we describe a case of autosomal recessive PHA1 that was genetically diagnosed in a newborn after severe hyperkalemia was noted.


Subject(s)
Humans , Infant, Newborn , Acidosis , Aldosterone , Colon , Epithelial Sodium Channels , Hyperkalemia , Hyponatremia , Lung , Plasma , Pseudohypoaldosteronism , Rare Diseases , Renin , Salivary Glands , Sodium , Sweat Glands
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