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Firkins SA, Simons-Linares R. Management of leakage and fistulas after bariatric surgery. Best Pract Res Clin Gastroenterol 2024; 70:101926. [PMID: 39053976 DOI: 10.1016/j.bpg.2024.101926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Accepted: 06/04/2024] [Indexed: 07/27/2024]
Affiliation(s)
- Stephen A Firkins
- Bariatric and Metabolic Endoscopy, Digestive Diseases and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Roberto Simons-Linares
- Bariatric and Metabolic Endoscopy, Digestive Diseases and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA.
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Kim DK, Jung JH, Kim JK, Kim T. Clinical value of deep vein thrombosis density on pre-contrast and post-contrast lower-extremity CT for prediction of pulmonary thromboembolism. Acta Radiol 2022; 64:1410-1417. [PMID: 36214092 DOI: 10.1177/02841851221131250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background There was a lack of studies assessing the relationship between deep vein thrombosis (DVT) Hounsfield unit (HU) density and pulmonary thromboembolism (PTE). Purpose To evaluate the clinical value of DVT density measured on pre- and post-contrast lower-extremity computed tomography (CT) for the prediction of PTE. Material and Methods From 2017 to 2021, patients who underwent pulmonary CT angiography within one week after diagnosis of DVT on lower-extremity CT were included in this retrospective study. Then, the patients without PTE were included in “DVT group” and those with both DVT and PTE were included in the “DVT-PTE group.” The DVT HU density was measured by drawing free-hand region of interests (ROIs) within the thrombus at the most proximal filling defect level. A receiver operating characteristic (ROC) analysis was used to evaluate the predictive value of DVT density for the risk of PTE. Results This study included a total of 94 patients (DVT group: n=56; DVT-PTE group: m=38). DVT density was significantly higher in the DVT-PTE group than the DVT group in both pre-contrast (53.5 ± 6.2 HU vs. 44.1 ± 7.9 HU; P < 0.001) and post-contrast CT (67.0 ± 8.6 HU vs. 57.1 ± 10.6 HU; P < 0.001). ROC analysis revealed that the area under curve, sensitivity, and specificity for predicting the risk of PTE were 0.739, 71.1%, and 64.2%, respectively, at a DVT density cutoff of 48.2 HU on pre-contrast CT and were 0.779, 73.7%, and 69.6% at a DVT density cutoff of 61.8 HU on post-contrast CT. Conclusion The DVT density on both pre- and post-contrast CT could be a predictive factor of PTE.
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Affiliation(s)
- Dong Kyu Kim
- Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jae Hyeop Jung
- Department of Radiology, the Armed Forces Capital Hospital, Seongnam, Republic of Korea
| | - Jin Kyem Kim
- Department of Radiology, the Armed Forces Capital Hospital, Seongnam, Republic of Korea
| | - Taeho Kim
- Department of Radiology, the Armed Forces Capital Hospital, Seongnam, Republic of Korea
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