Significance of scintigraphy for the localization of obscure gastrointestinal bleedings

Table 1 Patients characteristics

	Characteristics (n = 92)
	Average	Range (%)
Age	60	17-88
Male	52	56.5
Gastrointestinal bleeding without underlying disease	47	51.1
Gastrointestinal bleeding with underlying	45	48.9
disease
Gastro-intestinal malignancy	11	11.9
Diverticulosis	5	5.4
Acute leukemia	6	6.5
Chronic renal insufficiency	3	3.3
Angiodysplasia	3	3.3
Chronic inflammatory bowel disease	4	4.4
Hepatic cirrhosis	3	3.3
Others	10	11.9
Acute gastro-intestinal bleeding	55	59.8
Chronic gastro-intestinal bleeding	37	40.2
Use of red blood cell concentrates
≤ 1	70	76.1
2	17	18.5
≥ 3	5	5.4
Provocation test with heparin	13	14.1
Positive	9	9.8
Negative	4	4.4
Intestinoscopies during surgery	8	8.7
With a definite bleeding localization	2	2.2
Without a definite bleeding localization	6	6.5
Mortality	9	10.9