International Journal of Medicine and Medical Sciences
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Article Number - C9D99EC64806


Vol.9(7), pp. 92-97 , July 2017
DOI: 10.5897/IJMMS2017.1306
ISSN: 2006-9723



Full Length Research Paper

Neutrophil vacuolization in peripheral blood smear assessed with May Grünwald-Giemsa stain has direct correlation with the severity of hemorrhagic shock and serum lactate in trauma patients



Joao Rodrigo Campos
  • Joao Rodrigo Campos
  • Programa de Pós-Graduação em Ciências Aplicadas à Cirurgia e à Oftalmologia - Faculdade de Medicina UFMG - Av. Prof. Alfredo Balena,190 - Belo Horizonte - MG, 30130-100, Brazil.
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Jose Gustavo Parreira
  • Jose Gustavo Parreira
  • Department of Surgery, Santa Casa School of Medicine, Sao Paulo, Brazil.
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Joao Baptista Rezende-Neto
  • Joao Baptista Rezende-Neto
  • Department of Surgery University of Toronto, Canada.
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Emanuelle Maria Savio de Abreu
  • Emanuelle Maria Savio de Abreu
  • Hospital Universitario, Risoleta Tolentino Neves - Rua das Gabirobas, 1 - Vila Cloris, Belo Horizonte - MG, 31744-012, Brazil.
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Thais Andrade
  • Thais Andrade
  • Hospital Universitario, Risoleta Tolentino Neves - Rua das Gabirobas, 1 - Vila Cloris, Belo Horizonte - MG, 31744-012, Brazil.
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Ernest Moore
  • Ernest Moore
  • Department of Surgery, University of Colorado, Denver, USA.
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Marcus Vinicius Melo Andrade
  • Marcus Vinicius Melo Andrade
  • Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais (UFMG), Brazil.
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Sílvia Dantas Cangussu
  • Sílvia Dantas Cangussu
  • Department of Biological Sciences, LAFEX, Universidade Federal de Ouro Preto, Brazil.
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Jose Renan Cunha-Melo
  • Jose Renan Cunha-Melo
  • Department of Surgery, 8Faculdade de Medicina – Universidade Federal de Minas Gerais (UFMG) Belo Horizonte, MG, Brazil.
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 Received: 13 April 2017  Accepted: 18 May 2017  Published: 31 July 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


Tissue trauma induces migration and activation of neutrophils through specific mediators. Vacuolated neutrophils in peripheral blood smear of septic patients correlated with mortality. However, scarce data exist with respect to findings in hemorrhagic shock (HS) trauma patients. The aim of this work was to evaluate the number and size of cytoplasmic and nuclear vacuoles in polymorphonuclear neutrophil (PMN) obtained from a peripheral blood smear stained with the May-Grunwald-Giemsa method in trauma patients with hemorrhagic shock. Seven sequential blood samples were taken from 20 patients with severe hemorrhagic shock and 20 patients who sustained mild thoracic trauma (control group). The first sample was obtained shortly after admission to the hospital followed by new samples taken at 6, 12, 18, 24, 48 and 72 h. Blood smears from both groups were processed to assess vacuolization and vacuole morphology in one hundred PMNs at each time point. The number and the area of vacuoles in the nucleus and the cytoplasm were determined using the program Image-Pro Express version 4.0 for Windows (Media Cybernetics, Bethesda, MD, USA). The number and the area of vacuoles in the cytoplasm and nucleus were significantly different (p <0.05) between shock and control groups. Moreover, serum lactate and heart rate correlated directly with the number (r=0.634) and the area (r=0.624) of cytoplasmic vacuoles as shown by multivariate analysis (p<0.05). Severe hemorrhagic shock induces greater vacuolization of PMNs as compared to mild trauma. PMN vacuolization has direct correlation with serum lactate, a known marker of severe shock.

 

Key words: Hemorrhagic shock, trauma, lactate, inflammatory response, blood smear, neutrophils, vacuolization, apoptosis.

Abbreviation:

HS, Hemorrhagic shock; PMN, polymorphonuclear neutrophil; bpm, beats per minute.


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APA Campos, J. R., Parreira, J. G., Rezende-Neto, J. B., de Abreu, E. M. S., Andrade, T., Moore, E., Andrade, M. V. M., Cangussu, S. D., & Cunha-Melo, J. R. (2017). Neutrophil vacuolization in peripheral blood smear assessed with May Grünwald-Giemsa stain has direct correlation with the severity of hemorrhagic shock and serum lactate in trauma patients. International Journal of Medicine and Medical Sciences, 9(7), 92-97.
Chicago João Rodrigo Campos, Jos&e Gustavo Parreira, João Baptista Rezende-Neto, Emanuelle Maria Savio de Abreu, Thais Andrade, Ernest Moore, Marcus Vinicius Melo Andrade, S&ilvia Dantas Cangussu and Jos&e Renan Cunha-Melo. "Neutrophil vacuolization in peripheral blood smear assessed with May Grünwald-Giemsa stain has direct correlation with the severity of hemorrhagic shock and serum lactate in trauma patients." International Journal of Medicine and Medical Sciences 9, no. 7 (2017): 92-97.
MLA Joatilde;o Rodrigo Campos, et al. "Neutrophil vacuolization in peripheral blood smear assessed with May Grünwald-Giemsa stain has direct correlation with the severity of hemorrhagic shock and serum lactate in trauma patients." International Journal of Medicine and Medical Sciences 9.7 (2017): 92-97.
   
DOI 10.5897/IJMMS2017.1306
URL http://academicjournals.org/journal/IJMMS/article-abstract/C9D99EC64806

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