Key result
18 F-FDG PET/CT and 99m Tc-MIBI molecular imaging successfully aided in diagnosing Dressler syndrome in a patient with post-cardiac intervention pyrexia.
Case Report (n=1)
Molecular imaging with 18F-FDG PET/CT and 99mTc-MIBI can help narrow differentials and provide precise diagnosis in post-cardiac intervention pyrexia, such as identifying Dressler syndrome.
May help exclude stent infection and avoid unnecessary antibiotics in post-PTCA fever; leaves open routine use as single-case evidence.
Nuclear imaging has paramount role in the evaluation of 4I (infective, inflammatory, innervation, infiltrative) cardiac diseases. We present a case of persistent pyrexia post-percutaneous transluminal coronary angioplasty with a history of inferior wall myocardial infarction 2 months back. Repeat coronary angiogram revealed that Right Coronary Artery (RCA) thrombus and IV antibiotics were started in suspicion of coronary stent infection. 18 F-FDG PET/CT revealed no hypermetabolism along RCA stent, with uptake along pericardium and inferior wall. 99m Tc-MIBI myocardial perfusion study showed perfusion defect in RCA territory corresponding to hibernating viable myocardium. Eventually patient was diagnosed with Dressler syndrome. Thus, molecular imaging helped in narrowing differentials in post cardiac intervention pyrexia and precise diagnosis.
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Taywade et al. (2023) conducted a case report in Dressler syndrome (n=1). 18 F-FDG PET/CT and 99m Tc-MIBI myocardial perfusion study was evaluated on Diagnosis of Dressler syndrome. 18 F-FDG PET/CT and 99m Tc-MIBI molecular imaging successfully aided in diagnosing Dressler syndrome in a patient with post-cardiac intervention pyrexia.
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