Intrathoracic petechiae in SIDS: a retrospective population-based 15-year study

Abstract  Intrathoracic petechiae (IP), the most common gross finding in sudden infant death syndrome (SIDS) cases at autopsy, suggest upper airway obstruction (UAO) occurs during the terminal event. If true, IP would be expected more frequently among SIDS cases found face down compared to other face positions. We compare the rates of IP in SIDS cases found face down versus other face positions. A retrospective 15-year review of IP among all cases of SIDS occurring from 1991 through 2005 accessioned by the San Diego County Medical Examiner’s Office was conducted. The presence or absence of IP was based on both gross and microscopic observations of the thoracic organs. The severity of thymic petechiae was scored semiquantitatively from microscopic observations. There were ...

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