Efficacy of antenatal corticosteroids in preterm twins: the EPIPAGE-2 cohort study.

Objectives: To investigate the efficacy of antenatal corticosteroid (ACS) therapy on short-term neonatal outcomes in preterm twins, and further document the influence of the ACS-to-delivery interval.

Design: EPIPAGE-2 is a nationwide observational multicentre prospective cohort study of neonates born between 22 and 34 completed weeks of gestation.

Setting: All French maternity units, except in a single administrative region, between March and December 2011.

Validation of an algorithm identifying incident primary immune thrombocytopenia in the French national health insurance database.

Objectives: To evaluate the accuracy of an algorithm identifying newly diagnosed immune thrombocytopenia (ITP) patients in the French national health insurance database (SNIIRAM).

Methods: The source of data was the SNIIRAM of Midi-Pyrenees region (southwest of France, three million inhabitants). Data of patients with at least one ITP code (D69.