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Primary hyperoxaluria type 1 causing end-stage renal disease in a 45-year-old patient
T David-Walek1, C Niederstadt, P M Rob
1Medizinische Klinik I, Medizinische Universität Lübeck, Germany.
Primary hyperoxaluria type 1 (PH1) is a genetic disorder causing kidney failure. Early diagnosis and liver transplantation are crucial for managing this rare condition and preventing severe complications.
Area of Science:
- Genetics and Metabolism
- Nephrology
- Pediatric Medicine
Background:
- Primary hyperoxaluria type 1 (PH1) results from a deficiency in the liver enzyme alanine-glyoxylate aminotransferase.
- It is an autosomal recessive disorder with early childhood onset, leading to severe kidney damage and end-stage renal failure in most patients by age 25.
- Complications include generalized oxalosis, bone disease, peripheral gangrene, and poor survival on hemodialysis due to arrhythmias.
Observation:
- A case of PH1 presenting with late manifestations at age 45 is described.
- The patient's diagnosis was delayed due to non-specific symptoms like kidney stones and recurrent pyelonephritis.
- This highlights the importance of considering PH1 even with atypical presentations.
Findings:
- PH1 is characterized by the accumulation of oxalate, leading to nephrolithiasis and renal failure.
- Dialysis is ineffective for removing daily oxalate production, necessitating early intervention.
- Liver transplantation is the definitive treatment to address the underlying enzyme deficiency.
Implications:
- This case underscores the need for heightened clinical suspicion for PH1, especially in patients with recurrent kidney issues.
- Understanding the clinical course and diagnostic challenges is vital for timely management.
- Early transplantation offers the best prognosis for PH1 patients, preventing life-threatening complications.
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