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Carotid cavernous fistula in a patient with coronary artery disease
Omer Ashraf1, Syed Shahabuddin, Muhammad Ehsan Bari
1Department of Surgery, The Aga Khan University Hospital, Karachi.
Insights
Spontaneous carotid cavernous fistulas developed in a patient with coronary artery disease awaiting bypass surgery. This rare association highlights the complex interplay between cardiovascular and cerebrovascular conditions.
Area of Science:
- Neurology
- Cardiology
- Radiology
Background:
- Carotid cavernous fistulas (CCF) are abnormal vascular connections with significant neurological and ocular risks.
- Neuro-radiological management of CCF is well-documented, varying with fistula flow status.
- Coronary artery bypass grafting (CABG) is a standard treatment for coronary artery disease (CAD).
Observation:
- A patient with established coronary artery disease (CAD) was scheduled for CABG surgery.
- During the pre-operative period, the patient developed spontaneous bilateral carotid cavernous fistulas.
- This presentation is an infrequent occurrence in clinical practice.
Findings:
- The case demonstrates a rare co-existence of CAD and bilateral CCF.
- The spontaneous development of CCF in this context suggests a potential, though uncommon, link between the two conditions.
- This association warrants consideration in patients with concurrent cardiovascular and cerebrovascular risk factors.
Implications:
- Highlights the importance of considering cerebrovascular complications in patients with severe CAD.
- Suggests a need for heightened vigilance and tailored diagnostic approaches in such complex cases.
- Underscores the potential for unique clinical presentations at the intersection of cardiovascular and neurological diseases.
Abstract:
Carotid cavernous fistulas are abnormal communications between the carotid and cavernous vasculature, with potential for serious neurological and ocular sequelae. There is considerable literature on the neuro-radiological management of carotico-cavernous fistula depending upon their flow status. The coronary artery bypass grafting (CABG) for coronary artery disease (CAD) is a well established method of revascularization. However, the association of carotid cavernous fistula in presence of CAD is an infrequent occurrence. We present a case of coronary artery disease scheduled for bypass surgery, developed spontaneous bilateral carotid cavernous fistulas, highlighting a unique aspect of association between coronary and carotid disease.
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