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Background: Immune thrombocytopenia (ITP) is a benign childhood disease. The aim of this study was to assess Health Related Quality of Life (HRQoL) among chronic ITP children in Vietnam. Methods: A case - control study was conducted from January 2020 to April 2021. Case group consisted of 56 children with chronic ITP aged from 2 to 18 years and their parents selected in the Department of Nephrology-Hematology – Endocrinology, Haiphong Children's Hospital, Hai Phong city. Controls included 170 healthy children matched with the patients on sex, and age recruited from schools in the same city. The validated Vietnamese version of the Pediatric Quality of Life Inventory (PedsQL) 4.0 Generic Core Scale was used to assess QoL of the participants. Results: The mean HRQoL physical, emotional, social, school functioning domains and total scores of the chronic ITP patients were significantly lower compared with that of the controls (p

Essentials Immune thrombocytopenia (ITP) is an autoimmune disorder characterized by low platelet count. We conducted a cohort study of 3 584 chronic ITP patients from the Nordic countries. Cardiovascular events occurred across all platelet count levels. Cardiovascular or bleeding events were strong prognostic factors for all-cause mortality. Background Among patients with chronic immune thrombocytopenia (cITP), little is known regarding risk factors for cardiovascular and bleeding outcomes and how these events influence mortality. Objectives We examined the rate of cardiovascular events and bleeding requiring a hospital contact according to platelet count levels, as well as the prognostic impact of these events on all-cause mortality in adult patients with cITP. Methods We identified all cITP patients registered in the Nordic Country Patient Registry for Romiplostim during 1996 to 2015. Absolute risks and hazard ratios across platelet count levels based on Cox regression analysis were computed, adjusting for age, sex, prevalent/incident cITP, smoking, and comorbidities. We also compared all-cause mortality rates in cITP patients with and without cardiovascular and bleeding events. Results Among 3 584 cITP patients, 1-year risks were 1.9% for arterial cardiovascular events, 1.2% for venous thromboembolism, and 7.5% for bleeding. Rates of cardiovascular events were similar across platelet counts. Patients with platelet counts <50 × 10 9 /L had >2-fold higher rates of bleeding than patients with normal platelet counts. These associations were unchanged in time-varying analyses that considered changes in platelet counts during follow-up. Occurrences of cardiovascular and bleeding events were associated with 4-fold to 5-fold increases in 1-year mortality. Conclusions Among patients with cITP, the 1-year risks of cardiovascular events were 1% to 2%, while nearly 8% experienced a bleeding event within 1 year. Cardiovascular events occurred across all platelet levels, while low platelet counts were associated with increased hazards of bleeding. Cardiovascular and bleeding events were strong prognostic factors for mortality., (© 2019 International Society on Thrombosis and Haemostasis.)