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Research Article: Characteristics of neonatal hypoxic-ischemic encephalopathy at high altitude and early results of therapeutic hypothermia

Date Published: 2023-12-01

Abstract:
Altitude hypoxia and limited socioeconomic conditions may result in distinctive features of neonatal hypoxic-ischemic encephalopathy (HIE). Therapeutic hypothermia (TH) has not been used at altitude. We examined characteristics of HIE and early outcomes of TH in 3 centers at two high altitudes, 2 at 2,261 m and 1 at 3,650 m.

Introduction:
Neonatal hypoxic ischemic encephalopathy (HIE) remains a major cause of death, acute brain injury and neurodevelopmental impairment [1]. Therapeutic hypothermia (TH) induced within 6 hours after birth in moderate to severe HIE reduced mortality and neurodevelopmental impairment in the initial trials [2,3,4]. Later, broader criteria have been evolved to include mild HIE [5,6,7] and admission > 6 hours [8]. TH is the standard of care in developed countries [7, 9]. but not so in developing countries where 99% of…

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