Overview
Toxic nephropathy refers to kidney injury caused by exposure to nephrotoxic substances, leading to impaired renal function and potential long-term complications 1.Diagnosis
Clinical symptoms include hematuria, proteinuria, and decreased renal function (elevated serum creatinine, BUN).
Laboratory tests: Urinalysis, serum creatinine, blood urea nitrogen (BUN), and estimated glomerular filtration rate (eGFR).
Imaging: Renal ultrasound or CT scan to assess structural changes.
Toxic exposure history crucial for diagnosis 1.Management
Decontamination: Activated charcoal for recent ingestion, supportive care.
Supportive care: Fluid management, monitoring electrolytes, and acid-base status.
Specific antidotes: Use based on identified toxin (e.g., chelation for heavy metals).
Renal replacement therapy: Consider in severe cases with acute kidney injury 1.Special Populations
Pregnancy: Limited data; focus on minimizing exposure and supportive care 1.
Pediatrics: Increased susceptibility; close monitoring and early intervention critical 1.
Elderly: Higher risk of complications; individualized management plans 1.
Comorbidities: Existing renal disease worsens outcomes; tailored treatment approaches needed 1.Key Recommendations
Conduct thorough toxic exposure history to guide specific management strategies (Evidence: Expert opinion 1).
Utilize supportive care measures including fluid management and electrolyte monitoring in all cases (Evidence: Moderate 1).
Consider renal replacement therapy in patients with severe acute kidney injury secondary to toxic nephropathy (Evidence: Moderate 1).References
1 Jaballi I, Sallem I, Feki A, Cherif B, Kallel C, Boudawara O et al.. Polysaccharide from a Tunisian red seaweed Chondrus canaliculatus: Structural characteristics, antioxidant activity and in vivo hemato-nephroprotective properties on maneb induced toxicity. International journal of biological macromolecules 2019. link