Abstract
Fontan circulation is the consequence of an operation that results in the flow of systemic venous blood to the lungs without passing through a ventricle. An 18-year old man with a history of congenital heart disease surgically treated with Fontan circulation, presented with pleuritic chest pain and a raised D-dimer level. Perfusion/ventilation SPECT was performed to exclude the possibility of pulmonary embolism (PE) that showed unilateral reduced perfusion of the left lung with a mismatched right upper lobe defect, suspicious of PE. However, subsequent computed tomography pulmonary angiogram and clinical follow-up excluded the possibility of PE, emphasizing the need for knowledge of potential pitfalls to avoid false interpretations. Given the fact that adult congenital heart disease population is growing, with the majority having single ventricle/Fontan circulation and being at risk for thromboembolic disease, knowledge of the perfusion pattern pitfalls is important to avoid false interpretation and preventing the misdiagnosis of PE in patients with Fontan physiology.
Highlights
Fontan circulation is the consequence of an operation
that results in the flow of systemic venous blood
An 18-year old man with a history of congenital heart disease surgically treated with Fontan circulation
Summary
Fontan circulation is the consequence of an operation that results in the flow of systemic venous blood to the lungs without passing through a ventricle. Fontan dolaşım sistemik venöz kanın ventrikülden geçmeden akciğere ulaşmasına neden olan cerrahi girişime bağlıdır. Konjenital kalp hastalığı nedeniyle Fontan dolaşım cerrahisi geçirmiş 18 yaşında bir erkek hasta plöretik göğüs ağrısı ve yüksek D-dimer değeri ile başvurdu.
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