Ricardo AmaruJosef T. PrchalMireya CarrascoSilvia MancillaTeddy QuispeJulieta LunaJuan Carlos ValenciaDaniela PatónVictor R. Gordeuk2026-03-222026-03-22202510.1002/ajh.70025https://doi.org/10.1002/ajh.70025https://andeanlibrary.org/handle/123456789/86948In Bolivian Aymara with erythrocytosis, elevated erythropoietin strongly associates with history of thrombosis. Hypoxia and iron deficiency predict elevated erythropoietin, but they do not have a direct relationship with thrombosis history. Source: Artwork by Nadia Gordeuk.enErythropoietinThrombosisMedicineAltitude (triangle)Internal medicineIntensive care medicineHistory of Thrombosis at High Altitude Associates With Increased Erythropoietinletter