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Table 1 Clinical characteristics of patients with AEF

From: Case series of aortoenteric fistulas: a rare cause of gastrointestinal bleeding

No

Sex/age

Smoking history

Comorbidities

PAEF/SAEF

AEF location (bowel)

Clinical features

GI bleeding

Time interval

Fever

Pain location

Accompanying situation

Pulsating mass

Pulsation of lower extremity artery

Sepsis/CI

MOF

1

M/21

PAEF

Duodenum and jejunum

Hematochezia; hematemesis; syncope; hypovolemic shock

3 days

Upper abdomen

Nausea; vomiting; pneumonia; pleural effusion (bilateral)

+

ARDS, AKI, MI, ALI, RM, DIC

2

M/46

4PY

DM

PAEF

Colon

Hematochezia; syncope; hypovolemic shock

5 days

38.2℃

Back

Pneumonia; pleural effusion (bilateral)

Decreased

+

3

M/61

80PY

AS, RA

PAEF

Duodenum

Hematochezia; syncope; hypovolemic shock

1 month

Umbilical, abdominal

Anorexia; weight loss

Decreased

4

M/65

10PY

SAEF*

Colon

Hematochezia

3 month

38.8℃

Lower right abdomen

Anorexia; weight loss; pneumonia; pleural effusion (unilateral)

+

+

AKI, ALI

5

M/85

7.5PY

HT

SAEF

Duodenum

Melena

5 month

38.7℃

Right suprapubic

Anorexia; Weight loss; pneumonia; pleural effusion (bilateral)

+

Decreased

+

AHF, AKI

6

F/86

HT, NHL

SAEF

Jejunum or ileum

Hematochezia; syncope; hypovolemic shock

7 days

40.5℃

Entire abdomen

Nausea; vomiting; anorexia; weight loss; pneumonia; pleural effusion (bilateral)

Decreased

+

AKI; MI

7

M/68

50PY

CHD

SAEF

Duodenum

Hematochezia

4 month

40℃

Upper abdomen and back

Anorexia; Pleural effusion (bilateral)

Decreased

+

8

M/74

50PY

PAEF

Jejunum or ileum

Hematochezia; hematemesis; syncope; hypovolemic shock

4 days

Upper abdomen

Nausea; vomiting

9

M/63

30PY

PAEF

Jejunum or ileum

Melena; syncope; hypovolemic shock

21 days

Lower of right abdomen

Anorexia; weight loss

+

ALI

  1. AEF aortoenteric fistula, PY pack years, DM diabetes mellitus, AS ankylosing spondylitis, RA rheumatoid arthritis, HT hypertension, NHL non-Hodgkin lymphoma, CHD coronary heart disease, PAEF primary aortic-enteric fistula, SAEF secondary-enteric aortic fistula, CI celiac infection, MOF multiple organ failure, ARDS acute respiratory distress syndrome, AKI acute kidney injury, MI myocardial injury, ALI acute liver injury, RM rhabdomyolysis, DIC disseminated intravascular coagulation, AHF acute heart failure
  2. *History of iliac aneurysm bypass surgery, history of abdominal aortic dissection and right iliac aneurysm stenting, history of abdominal aortic aneurysm stent grafting