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Patient–prosthesis mismatch increases the mean platelet volume in patients with aortic valve replacement

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Abstract

Purpose

Patient–prosthesis mismatch (PPM) is defined when the ratio of the effective orifice area of the normally functioning prosthetic valve to the body surface area of the patient is <0.85 cm2/m2. The aim of this study was to assess the measurements of the mean platelet volume (MPV) as an indicator of platelet activation in patients with PPM.

Methods

A total of 109 patients with isolated aortic valve replacement (AVR) procedures with a mechanical prosthesis and a control group from a normal population of 102 people compatible in terms of age and sex were chosen for the study. The AVR group was subdivided into a PPM group (n = 41) and non-PPM group (n = 68). All patients and control participants underwent echocardiographic examinations, with simultaneous measurements of the serum MPV values.

Results

The MPV measurements were significantly higher in the patients with AVR compared to the control group (8.97 ± 0.93 vs. 8.26 ± 0.14, p < 0.001). Higher results were also obtained in the patients with PPM compared to the non-PPM group (9.36 ± 0.61 vs. 8.73 ± 1.01, p < 0.001). The platelet counts were found to be similar in both groups (p > 0.05).

Conclusions

We have herein shown that the PPM patients had a significantly higher MPV compared to the patients with AVR without PPM and healthy subjects.

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Conflict of interest

Huseyin Bayram and the co-authors have no conflicts of interest to declare.

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Authors and Affiliations

  1. Department of Cardiovascular Surgery, Ataturk Education and Research Hospital, 1426. Cad, No: 30/17, Cukurambar, 06510, Ankara, Turkey

    Huseyin Bayram, Mete Hidiroglu, Levent Cetin, Aslihan Kucuker, Emrah Uguz, Kemal Esref Erdogan & Erol Sener

  2. Department of Cardiology, Ataturk Education and Research Hospital, Ankara, Turkey

    Omer Faruk Cicek

Authors
  1. Huseyin Bayram
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  2. Mete Hidiroglu
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  3. Levent Cetin
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  5. Aslihan Kucuker
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  6. Emrah Uguz
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  7. Kemal Esref Erdogan
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  8. Erol Sener
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Correspondence to Huseyin Bayram.

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Bayram, H., Hidiroglu, M., Cetin, L. et al. Patient–prosthesis mismatch increases the mean platelet volume in patients with aortic valve replacement. Surg Today 45, 559–563 (2015). https://doi.org/10.1007/s00595-014-0933-1

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  • DOI: https://doi.org/10.1007/s00595-014-0933-1

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