Correlation of platelet indices with TIMI frame count in patients undergoing primary PCI due to ST-segment elevation myocardial infarction

Ayoub Salehi; Mohammad Hasan Namazi; Morteza Safi; Hossein Vakili; Habibollah Saadat; Saeed Alipour Parsa; Mohammad Ali Akbarzadeh; Ameneh Moshtaghi; Isa   Khaheshi

doi:10.29252/ijcp-26632

International Journal of Cardiovascular Practice

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https://doi.org/10.29252/ijcp-26632

Correlation of platelet indices with TIMI frame count in patients undergoing primary PCI due to ST-segment elevation myocardial infarction

Author(s):

Ayoub Salehi¹,

Mohammad Hasan Namazi¹,

Morteza Safi¹,

Hossein Vakili¹,

Habibollah Saadat¹,

Saeed Alipour Parsa¹,

Mohammad Ali Akbarzadeh

¹,

Ameneh Moshtaghi¹,

Isa Khaheshi^1,*

1Cardiovascular Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

International Journal of Cardiovascular Practice:Vol. 4, issue 3; 69-73

Published online:Nov 09, 2019

Article type:Research Article

Received:May 15, 2019

Accepted:Jul 29, 2019

How to Cite:Salehi A, Namazi MH, Safi M, Vakili H, Saadat H, et al. Correlation of platelet indices with TIMI frame count in patients undergoing primary PCI due to ST-segment elevation myocardial infarction. Int J Cardiovasc Pract. 2019;4(3):e130572. doi: https://doi.org/10.29252/ijcp-26632

Abstract

Introduction: Given the fundamental role of platelet indices in the development of atherosclerotic plaque, these indices may play a predictive role for the occurrence of disturbed coronary reperfusion. The present study evaluated the association between platelet indices and coronary reperfusion status based on the Thrombolysis in Myocardial Infarction (TIMI) frame count.

Methods: This cross-sectional study was conducted on 98 consecutive patients with ST elevation myocardial infarction who were candidate for primary Percutaneous Coronary Intervention (PCI) at Modarres Hospital in Tehran between January 2016 and January 2018. Venous samples were extracted from all patients before primary PCI. To assess the condition of coronary reperfusion after primary PCI, the TIMI frame count related to culprit artery in acute myocardial infarction was determined.

Results: The TIMI frame count was positively associated with platelet count (r = 0.320, P = 0.001) and more strongly with platelet to lymphocyte ratio (r = 0.375, P < 0.001), but not with other platelet indices such as platelet distribution width (PDW), mean platelet volume (MPV) or Platelet large cell ratio (PLCR). According to the ROC curve analysis, platelet to lymphocyte ratio was introduced as a valuable parameter for differentiating complete from disturbed reperfusion (AUC = 0.735, 95%CI: 0.613 – 0.858, P = 0.001). The best cutoff value for platelet to lymphocyte ratio in predicting disturbed reperfusion was 146.5 with a sensitivity of 81.8% and a specificity of 60.5%. However, other platelet indices could not present this predictive role.

Conclusion: The platelet to lymphocyte ratio with predictive accuracy and sensitivity predicts coronary perfusion impairment based on the increase in TIMI frame count.

Keywords

Blood Platelets

Percutaneous Coronary Intervention

Myocardial Infarction

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Author(s):

Ayoub Salehi:[PubMed][Scholar]
Mohammad Hasan Namazi:[PubMed][Scholar]
Morteza Safi:[PubMed][Scholar]
Hossein Vakili:[PubMed][Scholar]
Habibollah Saadat:[PubMed][Scholar]
Saeed Alipour Parsa:[PubMed][Scholar]
Mohammad Ali Akbarzadeh:[PubMed][Scholar]
Ameneh Moshtaghi:[PubMed][Scholar]
Isa Khaheshi:[PubMed][Scholar]

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Correlation of platelet indices with TIMI frame count in patients undergoing primary PCI due to ST-segment elevation myocardial infarction

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