Extended Prone Position and 90-Day Mortality in Mechanically Ventilated Patients With COVID-19.

Background: Prone positioning (PP) has demonstrated its potential for improving outcomes in patients with ARDS who require invasive mechanical ventilation. However, the ability of prolonged proning to reduce mortality in patients with COVID-19 specifically, sessions lasting > 24 h remains uncertain.

Methods: In this retrospective cohort study, we examined 158 subjects with COVID-19 pneumonia who required mechanical ventilation due to moderate-to-severe ARDS.

Hemorrhagic shock due to retroperitoneal hemorrhage: a rare complication of lumbar puncture.

Lumbar puncture is a routine procedure frequently done in hospitalized patients. This tecnique is not free from complications. Here we bring a case of active bleeding from a lumbar arterie after a lumbar puncture that leads to hemorrhagic shock and retroperitoneal hematoma.