TABLE 1

Clinical Situation, Imaging Findings, and Bacteriologic Findings for Each Scintigraphic Procedure

Cause of referralProcedure no.Duration of LVAD at time of imaging (d)Scanning resultFinal diagnosis and outcomeLeukocyte scintigraphy result for device-related infection
PlanarSPECT/CT
Diagnosis and localization of infectionPatient 1, scan 1126Positive, right flank epigastriumPositive. right flank epigastrium along cableDeep and exit-site infection (S. aureus), antibiotic treatmentTrue-positive
Patient 2, scan 1692NegativeNegativeNo infection; transplantation (sterile surgical samples)True-negative
Patient 3, scan 1330Positive, right flankPositive, percutaneous siteExit-site infection (Corynebacterium); recovery after 157 d of antibiotic treatmentTrue-positive
Patient 3, scan 2701Negative for device-related infection; cervicofacial abnormal focusNegativeTonsillitis; recovery after 14 d of oral antibiotic treatmentTrue-negative
Patient 4, scan 152Positive, right flankPositive, percutaneous siteExit-site infection (S. aureus); antibiotic treatmentTrue-positive
Patient 5, scan 157NegativePositive, percutaneous site, lung, and epigastriumPneumonia and epigastric cable infection (Klebsiella oxytoca); antibiotic treatmentTrue-positive
Patient 6, scan 1188Positive, right flankPositive, percutaneous siteExit-site infection (S. aureus); antibiotic treatmentTrue-positive
Patient 7, scan 2518PositivePositivePrevious exit-site infection (S. aureus); recovery after 23 d of antibiotic treatmentTrue-positive
Evaluation of antibiotic efficacyPatient 1, scan 2225Positive, right flank epigastriumPositive, right flank epigastrium along cableFailure of 99 d of antibiotic treatment; transplantationTrue-positive
Patient 4, scan 2412NegativeNegativeRecovery after 60 d of antibiotic treatmentTrue-negative
Patient 5, scan 2418Negative for device-related infection; cervicofacial abnormal focusNegativeRecovery after 84 d of antibiotic treatmentTrue-negative
Patient 7, scan 153NegativeNegativePrevious exit-site infection (S. aureus); recovery after 23 d of antibiotic treatmentTrue-negative
Patient 8, scan 1610NegativePositive, percutaneous siteExit-site infection (S. aureus); failure of 212 d of antibiotic treatment; transplantationTrue-positive