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[Aortic involvement in patients with temporal arteritis and polymyalgia rheumatica]
M L H Honing1, S J H Bredie, Y M Smulders
1VU Medisch Centrum, De Boelelaan 1117, 1081 HV Amsterdam.
Nederlands Tijdschrift Voor Geneeskunde
|September 15, 2005
Summary
Giant cell arteritis can cause serious aortic complications, even without typical temporal arteritis symptoms. Early diagnosis and corticosteroid treatment are crucial for managing this rare but dangerous condition.
Area of Science:
- Cardiovascular Medicine
- Rheumatology
- Vascular Surgery
Background:
- Giant cell arteritis (GCA) is a systemic vasculitis that commonly affects the aorta.
- Aortic involvement in GCA, particularly thoracic aortic aneurysms, can be asymptomatic and lead to severe complications like rupture or dissection.
- Early recognition of aortic disease in patients with polymyalgia rheumatica or temporal arteritis is critical.
Observation:
- Four female patients aged 57-83 years with temporal arteritis or polymyalgia rheumatica presented with diverse signs of aortic involvement.
- Clinical manifestations ranged from systemic inflammation and thoracoabdominal aneurysms to chronic thoracic aortic dilatation and extremity claudication.
- One patient had systemic inflammation without overt signs of temporal arteritis or aortitis.
Findings:
- All four patients' symptoms were attributed to chronic aortic inflammation caused by GCA.
- Aortic GCA is often underdiagnosed, despite up to 75% of temporal arteritis patients potentially having some degree of aortic involvement.
- Thoracic aneurysms are the most serious complication, with rupture or dissection posing a significant risk.
Implications:
- Systemic inflammation coupled with aortic disease should raise suspicion for GCA.
- Prompt diagnosis and treatment with corticosteroids are vital for improving outcomes.
- While endoprosthesis offered recovery for some, advanced disease or technical limitations can impact treatment success, as seen in one fatal case.