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Las lágrimas podrían diseminar el SRAS, por lo que hay la posibilidad de muestras tomadas en los conductos lacrimales permitan una detección temprana de este virus. Así lo indican los datos obtenidos en un estudio de especialistas del National University Hospital, de Singapore, del que informa "British Journal of Ophthalmology".
Los investigadores hallaron el virus en muestras del conducto lacrimal de 36 pacientes, de los que se sospechaba que habían estado infectados el pasado año. Tres de ocho pacientes, con probable SRAS, tenían el virus en sus lágrimas. Todos ellos fueron nuevamente infectados y en uno de los pacientes el virus sólo se halló en las lágrimas.
El hecho de en que los tres casos positivos se hubiese hecho un análisis en un estado temprano de la enfermedad, según los investigadores, avala la hipótesis de que la secreción del virus en las lágrimas ocurre sólo durante esa fase temprana.
Estos hallazgos sugieren que el virus podría ser detectado e aislado en las fases tempranas de la infección lo que suponen una importante herramienta diagnóstica.
Webs Relacionadas
National University Hospital
http://www.nuh.com.sg/
British Journal of Ophthalmology
http://bjo.bmjjournals.com/