1Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India.
2Salford & Pennine Clinical Research Unit, The Pennine Acute Hospitals NHS Trust, Manchester, UK.
© Copyright 2018. Korean Association for the Study of Intestinal Diseases.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
FINANCIAL SUPPORT: The authors received no financial support for the research, authorship, and/or publication of this article.
CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported.
AUTHOR CONTRIBUTION: S.K., collection of data and drafting the manuscript; J.K.L., review and editing the manuscript; and V.A., review and editing the manuscript. All authors approved the final version of the manuscript.
| Author (year) | Country | No. of patients | Age (yr) | |
|---|---|---|---|---|
| ≤60 | >60 | |||
| CD | ||||
| Hwang et al. (2017)9 | South Korea | 1,224 | 1,194 (97) | 30 (3) |
| Saygili et al. (2017)12 | Turkey | 1,187 | 1,092 (97) | 95 (9) |
| Nguyen et al. (2017)10 | Canada | 8,985 | 8,260 (92) | 725 (8)a |
| Hou et al. (2016)11 | USA | 724 | 632 (87) | 92 (13)a |
| Jeuring et al. (2016)8 | The Netherlands | 1,162 | 1,026 (88) | 136 (12) |
| UC | ||||
| Song et al. (2018)13 | South Korea | 3,060 | 2,834 (93) | 226 (7) |
| Nguyen et al. (2017)10 | Canada | 12,233 | 10,484 (86) | 1,749 (14)a |
| Lin et al. (2016)14 | Taiwan | 536 | 459 (86) | 77 (14) |
| Hou et al. (2016)11 | USA | 876 | 722 (82) | 159 (18)a |
| Jeuring et al. (2016)8 | The Netherlands | 1,661 | 1,288 (78) | 373 (22) |
| Fries et al. (2017)15 | Italy | 1,091 | 808 (74) | 283 (26) |
| Shi et al. (2016)16 | Hong Kong | 1,225 | 1,068 (87) | 157 (13) |
| Author (year) | Country | No. of patients | Female sex (%) | Family history (%) | EIM (%) |
|---|---|---|---|---|---|
| CD | |||||
| Hwang et al. (2017)9 | South Korea | 1,224 | 67 | 0 | - |
| Hou et al. (2016)11 | USA | 92 | - | 8 | - |
| Nguyen et al. (2017)10 | Canada | 725 | 62 | - | - |
| Cheddani et al. (2016)23 | France | 370 | 62 | - | 5 |
| Jeuring et al. (2016)8 | The Netherlands | 136 | 63 | - | - |
| Saad et al. (2016)24 | USA | 30 | 47 | - | 6.3 |
| Yamamoto-Furusho and Sarmiento-Aguilar (2015)25 | Mexico | 27 | 63 | 0 | 34 |
| UC | |||||
| Hou et al. (2016)11 | USA | 159 | - | 4 | - |
| Nguyen et al. (2017)10 | Canada | 1,749 | 55 | - | - |
| Cheddani et al. (2016)23 | France | 474 | 38 | - | - |
| Fries et al. (2017)15 | Italy | 283 | 44 | - | 7 |
| Lin et al. (2016)14 | Taiwan | 77 | 40 | 0 | 0 |
| Jeuring et al. (2016)8 | The Netherlands | 373 | 44 | - | - |
| Shi et al. (2016)16 | Hong Kong | 157 | 39 | 1.7 | - |
| Author (year) | Country | No. of patients | 5-ASA | Thiopurine | Anti-TNF-α | Steroids | Surgery |
|---|---|---|---|---|---|---|---|
| CD | |||||||
| Hwang et al. (2017)9 | South Korea | 30 | 95 | 33 | 15 | - | - |
| Saygili et al. (2017)12 | Turkey | 95 | 90 | 57 | 2 | - | 22 |
| Jeuring et al. (2016)8 | The Netherlands | 136 | - | 23 | 6.9 | 39 | 33 |
| Saad et al. (2016)24 | USA | 30 | 90 | 66 | 55 | 90 | 28 |
| Yamamoto-Furusho and Sarmiento-Aguilar (2015)25 | Mexico | 27 | 30 | 22 | 0 | 15 | 73 |
| UC | |||||||
| Song et al. (2018)13 | South Korea | 226 | - | 18 | 10 | 52 | 9.7 |
| Lin et al. (2016)14 | Taiwan | 77 | 90 | 4 | 0 | - | - |
| Jeuring et al. (2016)8 | The Netherlands | 373 | - | - | - | 46 | 8 |
| Shi et al. (2016)16 | Hong Kong | 157 | - | 27 | 0 | 53 | 5 |
| IBD | |||||||
| Hou et al. (2016)11 | USA | 272 | 80 | 17 | 5 | 37 | - |
| Cheddani et al. (2016)23 | France | 844 | - | 14 | 4 | - | - |
| Author (year) | Country | No. of patients | Age (yr) | |
|---|---|---|---|---|
| ≤60 | >60 | |||
| CD | ||||
| Hwang et al. (2017) | South Korea | 1,224 | 1,194 (97) | 30 (3) |
| Saygili et al. (2017) | Turkey | 1,187 | 1,092 (97) | 95 (9) |
| Nguyen et al. (2017) | Canada | 8,985 | 8,260 (92) | 725 (8)a |
| Hou et al. (2016) | USA | 724 | 632 (87) | 92 (13)a |
| Jeuring et al. (2016) | The Netherlands | 1,162 | 1,026 (88) | 136 (12) |
| UC | ||||
| Song et al. (2018) | South Korea | 3,060 | 2,834 (93) | 226 (7) |
| Nguyen et al. (2017) | Canada | 12,233 | 10,484 (86) | 1,749 (14)a |
| Lin et al. (2016) | Taiwan | 536 | 459 (86) | 77 (14) |
| Hou et al. (2016) | USA | 876 | 722 (82) | 159 (18)a |
| Jeuring et al. (2016) | The Netherlands | 1,661 | 1,288 (78) | 373 (22) |
| Fries et al. (2017) | Italy | 1,091 | 808 (74) | 283 (26) |
| Shi et al. (2016) | Hong Kong | 1,225 | 1,068 (87) | 157 (13) |
Values are presented as number (%).
aAge >65 years.
| Disease | Clinical characteristics | Additional features |
|---|---|---|
| Infectious colitis | Bloody diarrhea | Possible pseudo-membranes with Clostridium difficile colitis |
| Urgency/tenesmus | Stool cultures usually diagnostic | |
| History of fever | Rapid resolution with appropriate antibiotic therapy | |
| Acute onset | ||
| Radiation colitis | Diarrhea with bleeding | Telangiectasia on endoscopy and fibrosis seen at histology |
| Abdominal pain/cramps | ||
| Proctitis (urgency and tenesmus) | ||
| History of pelvic radiation | ||
| NSAIDs enteropathy | Diarrhea | Lesions isolated |
| Recurrent pain abdomen | Any part of intestine may be affected | |
| Obstruction | Diaphragm like small bowel strictures | |
| Iron deficiency anemia | Exacerbate existing CD or UC | |
| History of NSAIDs | ||
| Ischemic colitis | Sudden onset pain abdomen | Segmental distribution of colitis |
| Diarrhea with bleeding | Typically sigmoid/left sided colitis | |
| Rectum spared and abrupt cutoff with non-involved segment | ||
| Segmental colitis associated with diverticulitis | Diarrhea with bleeding | Segmental peridiverticular distribution |
| Abdominal pain | Rectum and proximal colon spared | |
| History of associated comorbidities such as diabetes, hypertension, CAD | ||
| Solitary rectal ulcer syndrome | Bleeding per rectum | Mucosal thickening |
| Urgency | Crypt architectural distortion | |
| History of chronic constipation, straining, digital evacuation | Collagen deposition and smooth muscle in lamina propria |
CAD, coronary artery disease.
| Author (year) | Country | No. of patients | Female sex (%) | Family history (%) | EIM (%) |
|---|---|---|---|---|---|
| CD | |||||
| Hwang et al. (2017) | South Korea | 1,224 | 67 | 0 | - |
| Hou et al. (2016) | USA | 92 | - | 8 | - |
| Nguyen et al. (2017) | Canada | 725 | 62 | - | - |
| Cheddani et al. (2016) | France | 370 | 62 | - | 5 |
| Jeuring et al. (2016) | The Netherlands | 136 | 63 | - | - |
| Saad et al. (2016)24 | USA | 30 | 47 | - | 6.3 |
| Yamamoto-Furusho and Sarmiento-Aguilar (2015) | Mexico | 27 | 63 | 0 | 34 |
| UC | |||||
| Hou et al. (2016) | USA | 159 | - | 4 | - |
| Nguyen et al. (2017) | Canada | 1,749 | 55 | - | - |
| Cheddani et al. (2016) | France | 474 | 38 | - | - |
| Fries et al. (2017) | Italy | 283 | 44 | - | 7 |
| Lin et al. (2016) | Taiwan | 77 | 40 | 0 | 0 |
| Jeuring et al. (2016) | The Netherlands | 373 | 44 | - | - |
| Shi et al. (2016) | Hong Kong | 157 | 39 | 1.7 | - |
EIM, extraintestinal manifestations.
| Author (year) | Country | No. of patients | 5-ASA | Thiopurine | Anti-TNF-α | Steroids | Surgery |
|---|---|---|---|---|---|---|---|
| CD | |||||||
| Hwang et al. (2017) | South Korea | 30 | 95 | 33 | 15 | - | - |
| Saygili et al. (2017) | Turkey | 95 | 90 | 57 | 2 | - | 22 |
| Jeuring et al. (2016) | The Netherlands | 136 | - | 23 | 6.9 | 39 | 33 |
| Saad et al. (2016) | USA | 30 | 90 | 66 | 55 | 90 | 28 |
| Yamamoto-Furusho and Sarmiento-Aguilar (2015) | Mexico | 27 | 30 | 22 | 0 | 15 | 73 |
| UC | |||||||
| Song et al. (2018) | South Korea | 226 | - | 18 | 10 | 52 | 9.7 |
| Lin et al. (2016) | Taiwan | 77 | 90 | 4 | 0 | - | - |
| Jeuring et al. (2016) | The Netherlands | 373 | - | - | - | 46 | 8 |
| Shi et al. (2016) | Hong Kong | 157 | - | 27 | 0 | 53 | 5 |
| IBD | |||||||
| Hou et al. (2016) | USA | 272 | 80 | 17 | 5 | 37 | - |
| Cheddani et al. (2016) | France | 844 | - | 14 | 4 | - | - |
5-ASA, 5-aminosalicylic acid; TNF, tumor necrosis factor.
Values are presented as number (%). aAge >65 years.
CAD, coronary artery disease.
EIM, extraintestinal manifestations.
5-ASA, 5-aminosalicylic acid; TNF, tumor necrosis factor.
