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Related Experiment Video

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Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients

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[Ischemic optic neuropathy in the multiple trauma victim].

A Raigal Caño¹, V Hortigüela Martín, M J Sánchez Carretero

¹Servicio de Medicina Intensiva, Hospital Virgen de la Salud, Toledo, España. anaraigal@gmail.com

Medicina Intensiva

|July 8, 2008

Summary

Blindness in critically ill patients, often linked to trauma, can result from ischemic optic neuropathy. Prolonged low blood pressure and a sharp decrease in hematocrit are key risk factors.

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Area of Science:

Ophthalmology
Critical Care Medicine
Trauma Surgery

Background:

Ischemic optic neuropathy (ION) is an uncommon cause of blindness in critically ill patients.
It is frequently observed in multiple trauma victims without direct ocular injury.

Observation:

A case of a young male patient who developed total bilateral blindness is presented.
This occurred after severe hemorrhagic shock secondary to thoracoabdominal non-penetrating crush trauma.

Findings:

Literature review identified prolonged arterial hypotension as a significant risk factor for ION.
A sudden drop in hematocrit value was also identified as a critical risk factor.

Implications:

Understanding these risk factors can aid in the early detection and prevention of ION in trauma patients.
This case highlights the importance of managing hemodynamic stability and hematological parameters in critically ill trauma survivors.