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Table 1 Demographic and clinical data of eight patients

From: Clinical and endoscopic features of aorto-duodenal fistula resulting in its definitive diagnosis: an observational study

April 2009 to April 2020: n = 8 patients

Age

69.8 years (41–76 years)

Sex

5 males, 3 females

Chief complaint

Hematemesis: 3  Black stool: 5  Shock: 2  Syncope: 1  Weakness: 1

Shock at presentation

2 (25%)

Mean hemoglobin at presentation

7.09 g/dL (5.6–9.4 g/dL)

Mean no. of blood transfusions

7.5 (4–14)

History of treatment for any aortic pathology

8 (100%)

 Abdominal aortic aneurysm

 

  After stent placement

4 (50%)

  After artificial blood vessel replacement

3 (37.5%)

 After periaortic irradiation

1 (12.5%)

Endoscopic findings

 

 Stent exposed

1 (12.5%)

 Pulsatile lesions (erosion, granulation, blood clots)

4 (50%)

 Massive fresh bleeding of unknown origin in the duodenum identified

3 (37.5%)

Patients undergoing CT scan before endoscopy

3 patients

 CT findings

 

  Aorta and duodenum adjacent to each other

3/3 (100%)

  Air in the aorta adjacent to the duodenum

2/3 (66.7%)

Patients undergoing CT scan after endoscopy

4 patients

 CT findings

 

  Aorta and duodenum adjacent to each other

3/3 (100%)

  Extravascular leakage from the aorta to the duodenum

2/3 (66.7%)

  Ectopic air in the aorta adjacent to the duodenum

4 patients

  Saccular aneurysm adjacent to the duodenum

3/3 (100%)

Fistula site

Horizontal part: 7 Descending part: 1

Type of endoscope used in diagnosis

GIF-Q260J: 6 PCF-PQ260L: 2

Possible surgical treatment

7 (87.5%)

Outcome

Death during endoscopy: 1 (12.5%) Surgical treatment and survival: 7 (87.5%)

  1. CT computed tomography