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Vol. 154. Issue 1.
Pages 13-15 (January 2020)
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Vol. 154. Issue 1.
Pages 13-15 (January 2020)
Brief report
Diagnostic performance of the bronchial aspirate collected before and after the bronchial biopsy in patients with pulmonary neoplasia with endobronchial lesion
Rendimiento diagnóstico del broncoaspirado recogido antes y después de la biopsia bronquial en pacientes con neoplasia pulmonar y lesión endobronquial
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Roser Costaa,b, Mireia Martínez-Palaua, Lluís Estebana, Francisco Pérez-Ochoac, Xavier Tarrochc, José Sanz-Santosa,b,
Corresponding author
jsanzsantos@mutuaterrassa.cat

Corresponding author.
a Servicio de Neumología, Hospital Universitario Mútua Terrassa, Terrassa (Barcelona), Spain
b Departament de Medicina, Facultat de Medicina, Universidad de Barcelona, Barcelona, Spain
c Servicio de Anatomía Patológica, Hospital Mútua Terrassa, Terrassa (Barcelona), Spain
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Tables (2)
Table 1. General characteristics of the sample (n=144).
Table 2. Results of the preBAS and postBAS cytological examination.
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Abstract
Background and objectives

In patients with lung cancer (LC) and endobronchial lesion, the optimal sequence for collecting bronchial aspirate, before (BASpre) or after the biopsy (BASpost) is not yet established. The aim of this study was to compare the diagnostic performance of BASpre with BASpost.

Materials and methods

Retrospective study of patients with LC and endobronchial lesion undergoing bronchoscopy with bronchial biopsy and BASpre and BASpost samples. The diagnostic performance of both techniques was calculated.

Results

A total of 144 patients were included. BASpre was diagnostic in 24 (16.7%) cases and BASpost in 33 (22.9%) (Chi-squared p<0.009). The number of cases in which it was the only diagnostic method was identical: Two for BASpre and two cases for BASpost.

Conclusions

In patients with LC and endobronchial lesion, BASpost is diagnosed in a higher percentage of cases than BASpre. This difference does not affect the overall diagnostic performance of bronchoscopy as the number of times in which either is the only diagnostic procedure is identical.

Keywords:
Bronchoscopy
Bronchial biopsy
Bronchial aspirate
Lung cancer
Resumen
Antecedentes y objetivos

En pacientes con cáncer de pulmón (CP) y lesión endobronquial, la secuencia óptima de recogida del broncoaspirado, previamente (BASpre) o posteriormente a la biopsia (BASpost) aún no está establecida. El objetivo de este estudio fue comparar el rendimiento diagnóstico del BASpre con el BASpost.

Materiales y métodos

Estudio retrospectivo que incluyó pacientes con CP y lesión endobronquial sometidos a una broncoscopia con biopsia bronquial y muestras de BASpre y de BASpost. Se calculó el rendimiento diagnóstico de ambas técnicas.

Resultados

Se incluyeron 144 pacientes. El BASpre fue diagnóstico en 24 (16.7%) casos y el BASpost en 33 (22.9%) (Chi cuadrado p<0.009). El número de casos en que resultaron el único método diagnóstico fue idéntico: 2 para el BASpre y 2 casos para el BASpost.

Conclusiones

En pacientes con CP y lesión endobronquial, el BASpost es diagnóstico en un porcentaje de casos mayor que el BASpre. Esta diferencia no afecta al rendimiento diagnóstico global de la broncoscopia ya que el número de veces en que alguno de ambos es el único procedimiento diagnóstico es idéntico.

Palabras clave:
Broncoscopia
Biopsia bronquial
Broncoaspirado
Cáncer de pulmón

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