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Pulmonary arteriovenous fistula and brain abscess
1Karadeniz Teknik Universitesi (KTU), School of Medicine, Farabi Hospital, Department of Neurology, Trabzon, Turkey.
Abstract:
Patients with pulmonary arteriovenous fistulas (PAVFs) are at risk for the development of brain abscesses. The history of a 26-year-old man with PAVF, which has remained unrecognized for many years, is reported. Within four years, the patient presented life threatening cerebral abscesses twice at different sites. Treatment consisted of parenteral antibiotics. Finally, the pulmonary arteriovenous fistula has been treated by embolization. This case emphasizes the importance of early diagnosis and treatment of PAVF in preventing central nervous system infections. Copyright 1998 Lippincott Williams & Wilkins
Insights
Pulmonary arteriovenous fistulas (PAVFs) can lead to serious brain abscesses. Early diagnosis and treatment of PAVF are crucial for preventing life-threatening central nervous system infections.
Area of Science:
- Vascular Medicine
- Neurology
- Infectious Diseases
Background:
- Pulmonary arteriovenous fistulas (PAVFs) are abnormal connections between pulmonary arteries and veins.
- Patients with PAVFs have an increased risk of paradoxical embolism, leading to central nervous system complications such as brain abscesses.
Purpose of the Study:
- To report a case of recurrent brain abscesses in a patient with an undiagnosed pulmonary arteriovenous fistula.
- To highlight the importance of recognizing PAVF as a potential cause of brain abscesses.
Main Methods:
- Case report of a 26-year-old male patient with a history of recurrent, life-threatening cerebral abscesses.
- Review of the patient's medical history, revealing a long-standing, undiagnosed pulmonary arteriovenous fistula.
- Description of treatment including parenteral antibiotics and subsequent embolization of the PAVF.
Main Results:
- The patient experienced two distinct cerebral abscesses at different sites within a four-year period.
- The underlying pulmonary arteriovenous fistula was identified and successfully treated with embolization.
- Resolution of recurrent central nervous system infections following fistula treatment.
Conclusions:
- Undiagnosed pulmonary arteriovenous fistulas represent a significant risk factor for developing brain abscesses.
- Early diagnosis and effective treatment of PAVF are essential for preventing severe neurological complications and improving patient outcomes.