Journal
DIGESTIVE DISEASES AND SCIENCES
Volume 62, Issue 3, Pages 746-754Publisher
SPRINGER
DOI: 10.1007/s10620-016-4427-4
Keywords
Thrombocytopenia; Endoscopic procedure; Bleeding; Aplastic anemia; Immune thrombocytopenic purpura
Categories
Funding
- Basic Science Research Program through the National Research Foundation of Korea - Ministry of Education, Science and Technology [NRF-2013R1A1A2007985]
- program of Global Research and Development Center through the National Research Foundation of Korea - Ministry of Science, ICT and Future Planning [NRF-2011-0031644]
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Procedure-induced bleeding is a major complication after endoscopic intervention. The aim of this study was to investigate the risk of endoscopy-related bleeding in patients with chronic hematologic thrombocytopenia. We investigated endoscopy-related bleeding in 175 procedures performed on 108 patients with immune thrombocytopenic purpura or aplastic anemia. The outcomes were compared with those of 350 procedures on age-, sex-, and procedure-matched control subjects. Endoscopic interventions included low-risk procedures such as endoscopic biopsy and high-risk procedures including polypectomy, endoscopic resection, and endoscopic retrograde cholangiopancreatogram with sphincterotomy. Bleeding occurred in 17 (9.7%) procedures among the patients with thrombocytopenia. This rate was significantly higher than that in procedures on controls (3.1%, P = 0.003). About 60% of all bleeding events were observed within 24 h after the endoscopic procedure. Bleeding after endoscopic biopsy developed more frequently in the patient group than in the control group (7.1 vs. 0.7%; P < 0.001). Bleeding occurred after 20% of all high-risk procedures. The incidence of bleeding was significantly elevated in patients with a platelet count less than 50 x 10(3)/mu l. Multivariate analysis revealed that high-risk procedures and low platelet count (less than 50 x 10(3)/mu l) were significantly related to procedure-related bleeding. All bleeding events stopped spontaneously or were controlled with endoscopic hemostasis. Endoscopic procedure-related bleeding develops frequently in patients with chronic hematologic thrombocytopenia. Post-procedural bleeding should be observed carefully in these patients, especially when the platelet count is less than 50 x 10(3)/mu l or high-risk endoscopic procedures are planned.
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