Maryam Mahmood1, Ayse Tuba Kendi2, Saira Farid3, Saira Ajmal3, Geoffrey B Johnson2,4, Larry M Baddour3,5, Panithaya Chareonthaitawee5, Paul A Friedman5, M Rizwan Sohail3,5. 1. Division of Infectious Disease, Department of Medicine, Mayo Clinic College of Medicine and Science, 200 1st Street SW, Rochester, MN, 55905, USA. mahmood.maryam@mayo.edu. 2. Division of Nuclear Medicine, Department of Radiology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA. 3. Division of Infectious Disease, Department of Medicine, Mayo Clinic College of Medicine and Science, 200 1st Street SW, Rochester, MN, 55905, USA. 4. Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA. 5. Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
Abstract
OBJECTIVE: We performed a meta-analysis evaluating the use of fluorine-18-fluorodeoxyglucose (18F-FDG) positron-emission tomography (PET)/computed tomography (CT) in the diagnosis of cardiovascular implantable electronic device (CIED) infections. BACKGROUND: PET/CT may be helpful in the diagnosis of CIED infection, particularly in patients with the absence of localizing signs or definitive echocardiographic findings. METHODS: PubMed, Embase, Cochrane library, CINAHL, Web of Knowledge, and www.clinicaltrials.gov from January 1990 to April 2017 were searched for studies evaluating the accuracy of PET/CT in the diagnosis of CIED infections. RESULTS: Overall, 14 studies involving 492 patients were included in the meta-analysis. The pooled sensitivity of PET/CT for diagnosis of CIED infection was 83% (95% CI 78%-86%) and the pooled specificity was 89% (95% CI 84%-94%). PET/CT demonstrated a higher sensitivity of 96% (95% CI 86%-99%) and specificity of 97% (95% CI 86%-99%) for diagnosis of pocket infections. Diagnostic accuracy for lead infections or CIED-IE was lower with pooled sensitivity of 76% (95% CI 65%-85%) and specificity of 83% (95% CI 72%-90%). CONCLUSION: Use of PET/CT in the evaluation of CIED infection has both a high sensitivity (83%) and specificity (89%) and deserves consideration in the management of selected patients with suspected CIED infections.
OBJECTIVE: We performed a meta-analysis evaluating the use of fluorine-18-fluorodeoxyglucose (18F-FDG) positron-emission tomography (PET)/computed tomography (CT) in the diagnosis of cardiovascular implantable electronic device (CIED) infections. BACKGROUND: PET/CT may be helpful in the diagnosis of CIED infection, particularly in patients with the absence of localizing signs or definitive echocardiographic findings. METHODS: PubMed, Embase, Cochrane library, CINAHL, Web of Knowledge, and www.clinicaltrials.gov from January 1990 to April 2017 were searched for studies evaluating the accuracy of PET/CT in the diagnosis of CIED infections. RESULTS: Overall, 14 studies involving 492 patients were included in the meta-analysis. The pooled sensitivity of PET/CT for diagnosis of CIED infection was 83% (95% CI 78%-86%) and the pooled specificity was 89% (95% CI 84%-94%). PET/CT demonstrated a higher sensitivity of 96% (95% CI 86%-99%) and specificity of 97% (95% CI 86%-99%) for diagnosis of pocket infections. Diagnostic accuracy for lead infections or CIED-IE was lower with pooled sensitivity of 76% (95% CI 65%-85%) and specificity of 83% (95% CI 72%-90%). CONCLUSION: Use of PET/CT in the evaluation of CIED infection has both a high sensitivity (83%) and specificity (89%) and deserves consideration in the management of selected patients with suspected CIED infections.
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