Table 2. Patients not identified by comprehensive, location-unrestricted strategy.
| Search strategy a | ||||||
|---|---|---|---|---|---|---|
| Patient | A | B | C | D | VTE event | Diagnostic imaging |
| 1 | − | + | + | − | Portal vein thrombosis | CT abdomen |
| 2 | − | + | + | − | Splenic vein thrombosis | CT abdomen |
| 3 | + | − | − | − | Left subclavian thrombosis | Ultrasound |
| 4 | + | − | − | − | Bilateral PE | CT angiogram |
| 5 | − | − | − | + | LLE DVT | Ultrasound |
| 6 | − | − | − | + | RUE DVT | Ultrasound |
| 7 | − | − | − | + | RUE DVT | Ultrasound |
| 8 | + | − | − | − | LLE DVT | Ultrasound |
| 9 | + | − | + | − | PE | Ventilation/Perfusion scan |
Abbreviations: CT, computed tomography; DUHS, Duke University Health System; DVT, deep venous thrombosis; EMR, electronic medical record; LLE, left lower extremity; PE, pulmonary embolism; RUE, right upper extremity; VTE, venous thromboembolism.
Note: Nine patients identified by location-restricted searches of the DUHS EMR, or manual review of radiology reports, who were not identified by the location-unrestricted strategy.
a
The search strategies were: A, Monthly electronic searches, location-restricted; B, First 2-year electronic search, location-restricted; C, Second 2-year electronic search, location-restricted; D, Manual review of radiology reports.