Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis

Abstract Introduction: Mean platelet volume (MPV) has been shown to reflect the inflammatory burden in different inflammatory and autoimmune diseases. Our objective was to analyze the MPV in patients with tuberculous (TBM) and bacterial meningitis (BM). Methodology: The demographic and clinical data...

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Autores principales: Camara Lemarroy, Carlos Rodrigo, Delgado García, Guillermo Rubén, De la Cruz González, Juan Gilberto, Villarreal Velázquez, Héctor Jorge, Góngora Rivera, Juan Fernando
Formato: Artículo
Lenguaje:inglés
Publicado: 2016
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Acceso en línea:http://eprints.uanl.mx/18142/1/440.pdf
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author Camara Lemarroy, Carlos Rodrigo
Delgado García, Guillermo Rubén
De la Cruz González, Juan Gilberto
Villarreal Velázquez, Héctor Jorge
Góngora Rivera, Juan Fernando
author_facet Camara Lemarroy, Carlos Rodrigo
Delgado García, Guillermo Rubén
De la Cruz González, Juan Gilberto
Villarreal Velázquez, Héctor Jorge
Góngora Rivera, Juan Fernando
author_sort Camara Lemarroy, Carlos Rodrigo
collection Repositorio Institucional
description Abstract Introduction: Mean platelet volume (MPV) has been shown to reflect the inflammatory burden in different inflammatory and autoimmune diseases. Our objective was to analyze the MPV in patients with tuberculous (TBM) and bacterial meningitis (BM). Methodology: The demographic and clinical data of 73 consecutive patients that presented with either BM (n = 35) or TBM (n = 38) were retrospectively analyzed, as well as that of 28 age- and sex-matched controls. Results: MPV was 8.78 ± 1.58 fL in patients with BM and 6.42 ± 1.39 fL in the TBM group (p < 0.05). In the control group, MPV was 7.4 ± 0.66 fL, significantly higher and lower when compared with TBM and BM, respectively. MPV was significantly associated with diagnosis (adjusted OR: 5.15, 95% CI: 1.090–23.7; p = 0.03). With the optimal cut-off value of 7.62 fL, MPV had 82% sensibility and 78% specificity for the differential diagnosis of TBM versus BM. Lower platelet counts, higher serum creatinine, higher white blood cell counts, and higher blood-cerebrospinal fluid glucose ratio were also predictive of BM. Conclusions: Platelet counts were lower and MPV was higher in patients with BM compared to patients with TBM. Platelet indices, available in routine bloodwork, could be useful in the early differential diagnosis of these entities. Key words: meningitis; mean platelet volume; inflammation; platelets; thrombocytopenia.
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spelling eprints-181422024-03-05T16:48:57Z http://eprints.uanl.mx/18142/ Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis Camara Lemarroy, Carlos Rodrigo Delgado García, Guillermo Rubén De la Cruz González, Juan Gilberto Villarreal Velázquez, Héctor Jorge Góngora Rivera, Juan Fernando RC Medicina Interna, Psiquiatría, Neurología Abstract Introduction: Mean platelet volume (MPV) has been shown to reflect the inflammatory burden in different inflammatory and autoimmune diseases. Our objective was to analyze the MPV in patients with tuberculous (TBM) and bacterial meningitis (BM). Methodology: The demographic and clinical data of 73 consecutive patients that presented with either BM (n = 35) or TBM (n = 38) were retrospectively analyzed, as well as that of 28 age- and sex-matched controls. Results: MPV was 8.78 ± 1.58 fL in patients with BM and 6.42 ± 1.39 fL in the TBM group (p < 0.05). In the control group, MPV was 7.4 ± 0.66 fL, significantly higher and lower when compared with TBM and BM, respectively. MPV was significantly associated with diagnosis (adjusted OR: 5.15, 95% CI: 1.090–23.7; p = 0.03). With the optimal cut-off value of 7.62 fL, MPV had 82% sensibility and 78% specificity for the differential diagnosis of TBM versus BM. Lower platelet counts, higher serum creatinine, higher white blood cell counts, and higher blood-cerebrospinal fluid glucose ratio were also predictive of BM. Conclusions: Platelet counts were lower and MPV was higher in patients with BM compared to patients with TBM. Platelet indices, available in routine bloodwork, could be useful in the early differential diagnosis of these entities. Key words: meningitis; mean platelet volume; inflammation; platelets; thrombocytopenia. 2016-02-05 Article PeerReviewed text en cc_by_nc_nd http://eprints.uanl.mx/18142/1/440.pdf http://eprints.uanl.mx/18142/1.haspreviewThumbnailVersion/440.pdf Camara Lemarroy, Carlos Rodrigo y Delgado García, Guillermo Rubén y De la Cruz González, Juan Gilberto y Villarreal Velázquez, Héctor Jorge y Góngora Rivera, Juan Fernando (2016) Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis. The Journal of Infection in Developing Countries, 11 (02). pp. 166-172. ISSN 1972-2680 http://doi.org/10.3855/jidc.7478 doi:10.3855/jidc.7478
spellingShingle RC Medicina Interna, Psiquiatría, Neurología
Camara Lemarroy, Carlos Rodrigo
Delgado García, Guillermo Rubén
De la Cruz González, Juan Gilberto
Villarreal Velázquez, Héctor Jorge
Góngora Rivera, Juan Fernando
Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
thumbnail https://rediab.uanl.mx/themes/sandal5/images/online.png
title Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
title_full Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
title_fullStr Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
title_full_unstemmed Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
title_short Mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
title_sort mean platelet volume in the differential diagnosis of tuberculous and bacterial meningitis
topic RC Medicina Interna, Psiquiatría, Neurología
url http://eprints.uanl.mx/18142/1/440.pdf
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