Anemia nosocomial: prevalencia y características clínicas en pacientes adultos

Palabras clave: anemia, flebotomía, prevalencia, atención a la salud, técnicas de laboratorio clínico

Resumen

Introducción: la anemia nosocomial es definida como toda disminución de la hemoglobina durante la internación considerando los valores normales del ingreso. Se asume que este fenómeno no está asociado a pérdidas objetivables de sangre.

Objetivo: determinar la prevalencia de anemia nosocomial en pacientes adultos ingresados al Servicio de Clínica Médica en un hospital de referencia de Asunción, Paraguay, entre abril y octubre del 2023.

Metodología: se aplicó un diseño observacional, transversal. La muestra se conformó con varones y mujeres, mayores de edad, Se midieron variables demográficas y clínicas. Las variables fueron sometidas a estadística descriptiva.

Resultados: ingresaron al estudio 44 varones con mediana de edad 62 años y 45 mujeres con mediana de edad 58 años. Los diagnósticos más frecuentes fueron neumonía adquirida en la comunidad (26,9%), ictus (11,2%) e infección urinaria (10,1%). Considerando el sexo, se pudo determinar la aparición de anemia nosocomial a la semana de internación en 73% de los pacientes adultos que ingresaban con valores hematimétricos normales y en 46,2% de aquellos que ya ingresaban con anemia. La cantidad de flebotomías fue mayor en los sujetos que desarrollaron anemia.

Discusión: la frecuencia de anemia nosocomial es elevada y parece asociarse al elevado número de flebotomías.

Conclusiones: el descenso de hemoglobina de al menos 2 g/dL durante la primera semana de internación se observó en 73% de los sujetos que ingresaron con valores hematimétricos normales y en 46,2% de aquellos que ya ingresaron con anemia. Se recomienda evaluar la cantidad y necesidad del número de flebotomías durante la internación.

Citas

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Publicado
2025-07-31
Sección
ARTICULOS ORIGINALES