Why the study?
Cortical blindness is a known manifestation of anoxic brain injury following cardiac arrest, but its delayed-onset presentation is very rare.
Even in successfully resuscitated patients after cardiac arrest, delayed-onset neurological deficits like cortical blindness and movement disorders can occur and may be permanent.
Alerts clinicians to rare delayed cortical blindness post-arrest; extends sparse case reports but leaves open prospective characterization.
Anoxic brain injury following cardiac arrest causes serious neurological sequela and mortality. Cortical blindness is a known manifestation of anoxic brain injury. However, its delayed‐onset presentation is very rare. Here, we report two patients with an anoxic brain injury who were effectively resuscitated after cardiac arrest, and subsequently developed delayed‐onset cortical blindness and movement disorders. We also provide a literature review of previously reported similar cases. These cases highlight that even in successfully revived patients, anoxic brain injury‐related neurological deficits could appear late in the course and may be permanent in 25% of the cases.
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Şahin et al. (2021) studied this question.
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