Mean platelet volume as an inflammation marker in active pulmonary tuberculosis

  • Gulsah Gunluoglu | gunluoglugulsah@yahoo.com.tr Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Timor-Leste.
  • Esra Ertan Yazar Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey.
  • Nurdan Simsek Veske Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey.
  • Ekrem Cengiz Seyhan Chest Diseases, Medipol University, Istanbul, Turkey.
  • Sedat Altin Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul, Turkey.

Abstract

Background: The mean platelet volume (MPV) reflects the size of platelets. It has been shown to be inversely correlated with level of the inflammation in some chronic inflammatory diseases. This prospective study aims to show the usability of MPV as an inflammation marker in patients with active pulmonary tuberculosis (PTB) by comparison with healthy controls. In addition, its relationships with other inflammatory markers such as C-reactive protein (CRP) and the erythrocyte sedimentation rate (ESR) as well as with the radiological extent of disease were examined.

Methods: This study included 82 patients with active PTB and 95 healthy subjects (control group). Whole blood counts, CRP level, and ESR were compared between the two groups. In the PTB group, the relationships between the radiological extent of disease and the MPV and other inflammation markers were investigated.

Results: The MPV was 7.74 ± 1.33/μL in the PTB group and 8.20 ± 1.13/μL in the control group (p = 0.005). The blood platelet count, CRP level, and ESR were significantly higher in the active PTB group than in the control group (p < 0.0001). In the PTB group, CRP levels (r = 0.26, p = 0.003) and ESR (r = 0.39, p = 0.003), but not MPV (p = 0.80), were significantly correlated with the radiologic extent of the disease.

Conclusions: The MPV was lower in patients with PTB than in healthy controls, however, the difference was limited. The MPV does not reflect the severity of the disease. The use of MPV as an inflammation marker and a negative acute-phase reactant in PTB does not seem to be reliable.

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Published
2014-02-28
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Original Research Articles
Keywords:
Pulmonary tuberculosis, Inflammation markers, Mean platelet volume
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How to Cite
Gunluoglu, G., Yazar, E. E., Veske, N. S., Seyhan, E. C., & Altin, S. (2014). Mean platelet volume as an inflammation marker in active pulmonary tuberculosis. Multidisciplinary Respiratory Medicine, 9(1). https://doi.org/10.4081/mrm.2014.368