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Can whole-blood parameters be used in follow-up of children with rheumatic valvular heart disease?

  • Derya Karpuz (a1) (a2), Dilek Giray (a1) (a2), Abdullah Ozyurt (a3), Gulcin Bozlu (a1), Selma Unal (a1) (a4) and Olgu Hallioglu (a1) (a2)...
Abstract
Abstract Objectives

The aim of the present study was to investigate the relationships between red blood cell distribution width, platelet distribution width, and mean platelet volume and the presence and severity of valvular involvement in patients with rheumatic heart disease.

Methods

Between April, 2012 and December, 2015, 151 patients who were admitted to the Pediatric Cardiology Unit with diagnosis of rheumatic heart disease and 148 healthy children were included to our study. Transthoracic echocardiography for all children was performed, and the values of red blood cell distribution width, platelet distribution width, and mean platelet volume, besides other blood count parameters, erythrocyte sedimentation rate, and C-reactive protein levels were recorded.

Results

Red blood cell distribution width, platelet distribution width, mean platelet volume, and C-reactive protein levels were significantly higher in patients with rheumatic heart disease when compared with healthy controls (p<0.01). Red blood cell distribution width was positively correlated with both C-reactive protein (r=0.271, p=0.035) and erythrocyte sedimentation rate (r=0.308, p=0.006). When single valve involvement was compared with both aortic valve and mitral valve involvement in the study group, red blood cell distribution width and platelet distribution width were higher in patients with double valve involvement; however, this was not statistically significant (p>0.05).

Conclusion

This is the first study in children with rheumatic heart disease that demonstrated significantly increased red blood cell distribution width, platelet distribution width, and mean platelet volume levels, as well as evaluated all three parameters together. Furthermore, red blood cell distribution width values in the chronical period of acute rheumatic fever, due to the positive correlation with the other chronic inflammatory markers, may help make the diagnosis in children.

Copyright
Corresponding author
Correspondence to: D. Karpuz, MD, Department of Pediatrics, Divison of Pediatric Cardiology, University of Mersin Faculty of Medicine, 34. Cadde, Ciftlikkoy Kampusu 33343 Mersin, Turkey. Tel: +90 324 241 0000; Fax: +90 324 241 0000; E-mail: drderyakarpuz@gmail.com
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Cardiology in the Young
  • ISSN: 1047-9511
  • EISSN: 1467-1107
  • URL: /core/journals/cardiology-in-the-young
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