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Long-term complications in acute porphyria
Elena Pischik1, Mattias Lissing2,3, Nicolas Pallet4,5
1Department of Neurology, Consultative and Diagnostic Centre with Polyclinics, St. Petersburg, Russia.
Summary
Patients with acute porphyria (AP) now have normal life expectancy but face long-term risks like chronic pain and kidney disease. Preventing attacks is key to managing these chronic complications.
Area of Science:
- Medicine
- Genetics
- Neurology
Background:
- Acute porphyria (AP) patients now have a life expectancy comparable to the general population due to improved treatments and reduced mortality.
- This shift necessitates awareness of long-term health complications associated with AP.
Purpose of the Study:
- To highlight the long-term complications of acute porphyria (AP).
- To guide clinicians in managing chronic symptoms and comorbidities in AP patients.
- To emphasize the importance of preventing recurrent attacks for better patient outcomes.
Main Methods:
- Review of current clinical knowledge and treatment outcomes for acute porphyria.
- Analysis of long-term complications including neuropathy, encephalopathy, hypertension, and kidney disease.
- Discussion of diagnostic differentiation between acute and chronic symptoms and sequelae.
Main Results:
- Long-term complications include chronic neuropathy, encephalopathy, hypertension, and kidney disease.
- Patients have an increased risk of primary liver cancer (PLC), but not other cancers.
- Chronic pain, fatigue, and nausea significantly impact quality of life, even in sporadic cases.
- Distinguishing acute sequelae from chronic neuropathy is crucial for appropriate management.
Conclusions:
- Preventing recurrent AP attacks is the most effective strategy for managing chronic comorbidities.
- Personalized monitoring of blood pressure, renal function, and cardiovascular risk factors is essential.
- Bi-annual surveillance for primary liver cancer is recommended for patients over 50, especially those with acute intermittent porphyria.
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