Pseudo-Hypoaldosteronism Type 2 due to New Variants of KLHL3 Gene Diagnosed in an Adult Woman With Very High Sensitivity to Hydrochlorothiazide
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View abstract on PubMed
Summary
This summary is machine-generated.Pseudo-hypoaldosteronism type 2 (PHA II) is a rare condition. This case highlights new KLHL3 gene variants and hypersensitivity to hydrochlorothiazide in a hypertensive patient with hyperkalemia.
Area Of Science
- Nephrology
- Genetics
- Internal Medicine
Background
- Pseudo-hypoaldosteronism type 2 (PHA II) is a rare inherited disorder characterized by hypertension and hyperkalemia.
- Genetic mutations, particularly in the KLHL3 gene, are implicated in the pathophysiology of PHA II.
- Unexplained hyperkalemia in hypertensive adults warrants consideration of PHA II.
Purpose Of The Study
- To report a novel case of PHA II in an adult hypertensive woman.
- To identify potential genetic variants associated with PHA II.
- To describe the clinical presentation and management of this patient.
Main Methods
- Case report of a 55-year-old hypertensive woman.
- Genetic analysis to identify variants in the KLHL3 gene.
- Clinical assessment of electrolyte levels and response to hydrochlorothiazide.
Main Results
- The patient presented with hypertension and unexplained hyperkalemia.
- New variants in the KLHL3 gene were identified.
- The patient exhibited hypersensitivity to hydrochlorothiazide, requiring low dosages to normalize potassium levels.
Conclusions
- This case expands the known spectrum of KLHL3 gene variants associated with PHA II.
- PHA II should be considered in the differential diagnosis of adult hypertensive patients with unexplained hyperkalemia.
- Careful titration of hydrochlorothiazide is crucial for managing electrolyte disturbances in PHA II.
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