Table 2.
Estimated prevalence of EcV in different studies
| References | Author(s) | Diagnostic modality | Patient population | n | n (% ) EcV | Sites |
|---|---|---|---|---|---|---|
| [1] | Kinkhabwala et al. | Transhepatic portography | Predominantly IHPHT | 500 | 25 (5) | Ileal |
| [3] | De Palma et al. | Capsule endoscopy | IIHPHT | 37 | 3 (8.1) | Small bowel |
| [7] | Stephan and Miething | Arteriography | IHPHT | 73 | 1 (1.4) | Duodenum |
| [7] | Stephan and Miething | Arteriography | EHPHT | 33 | 9 (27.3) | Duodenum |
| [10] | McCormack et al. | Colonoscopy | Predominantly IHPHT | 102 | 4 (3.6) | Rectal |
| [12] | Salam et al. | Arteriography | GI bleeders | 200 | 6 (3) | GIT and GB |
| [13] | Wilson et al. | Arteriography | GI bleeding | 309 | 5 (1.6) | GIT |
| [14] | Itzchak and Glickman | Arteriography | EHPHT | 20 | 8 (40) | Duodenum |
| [17] | Tripathi et al. | Portography | TIPS patients | 472 | 12 (2.5) | GIT |
| [131] | Sarin et al. | Endoscopy | IHPHT and EHPHT | 1,128 | 53 (4.6) | IGV2 |
EHPHT, extrahepatic portal hypertension; GI, gastrointestinal tract other than the O-G area; IHPHT, intrahepatic portal hypertension