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Volume Plaquetário Médio está Associado com Reperfusão Inadequada Detectada por Angiografia em Pacientes com Terapia Fibrinolítica Bem Sucedida / Mean Platelet Volume is Associated with Inadequate Reperfusion Detected by Angiography in Patients with Successful Fibrinolytic Therapy
Arslan, Abdurrahman; Eyuboglu, Mehmet; Senarslan, Omer; Ekinci, Mehmet Akif; Simsek, Mustafa Aytek; Kirimli, Onder.
  • Arslan, Abdurrahman; Bartin State Hospital. Turkey. TR
  • Eyuboglu, Mehmet; Avrupa Medicine Center. Turkey. TR
  • Senarslan, Omer; Sifa University Hospital. Turkey. TR
  • Ekinci, Mehmet Akif; Alfakalp Medicine Center. Turkey. TR
  • Simsek, Mustafa Aytek; Dokuz Eylul University Hospital. Turkey. TR
  • Kirimli, Onder; Dokuz Eylul University Hospital. Turkey. TR
Int. j. cardiovasc. sci. (Impr.) ; 29(3): f:168-l:174, mai.-jun. 2016. tab, graf
Article in Portuguese | LILACS | ID: biblio-831774
RESUMO
Fundamento Volume plaquetário médio (VPM) elevado está associado com falha na fibrinólise e eventos adversos em pacientes com infarto agudo do miocárdio com supradesnivelamento do segmento ST (IAMCSST). No entanto, não há dados sobre os efeitos do VPM sobre o fluxo sanguíneo coronariano anterógrado e o grau de reperfusão em pacientes com fibrinólise bem sucedida.

Objetivo:

O objetivo deste estudo foi investigar o papel do VMP sobre a circulação coronariana via contagem de quadros angiográficos (TFC) na trombólise no infarto do miocárdio (TIMI) após terapia fibrinolítica bem sucedida.

Métodos:

Entre 145 pacientes tratados com agentes fibrinolíticos, 123 (84,8%) pacientes consecutivos com fibrinólise bem sucedida, determinados por eletrocardiografia, foram incluídos. Os pacientes foram divididos em dois grupos de acordo com TFC. Um TCF > 40 foi considerado como um marcador de reperfusão inadequada, e um TCF ≤ 40 aceito como um indicador de reperfusão completa.

Resultados:

Após a angiografia coronária, 57 pacientes apresentaram TFC ≤ 40 e 66 pacientes apresentaram TFC > 40. O VPM foi significativamente mais alto no grupo com reperfusão inadequada (8,93 ± 0,87 fl vs. 7,92 ± 0,80 fl, p < 0,001). Um VPM elevado foi identificado como um indicador de reperfusão inadequada, e coordenadas da curva ROC indicaram um ponto de corte de 8,3 fl para VPM.

Conclusão:

VPM elevado na admissão em pacientes com IAMCSST tratados com terapia fibrinolítica bem sucedida associou-se com reperfusão inadequada detectada por TFC
ABSTRACT

Background:

Higher Mean platelet volume (MPV) is associated with fibrinolysis failure and adverse outcomes in patients with ST elevation myocardial infarction (STEMI). However, there are no data about the effects of MPV on antegrade coronary blood flow and the degree of reperfusion in patients with successful fibrinolysis.

Objective:

The aim of our study was to investigate the role of MPV on coronary circulation via thrombolysis in myocardial infarction (TIMI) frame count (TFC) after successful fibrinolytic therapy.

Methods:

Among 145 patients treated with fibrinolytics, 123 (84.8%) consecutive patients with successful fibrinolysis determined by electrocardiography criteria were included. The patients were divided into two groups according to TFC. TFC > 40 was accepted as a marker for inadequate reperfusion and TFC ≤ 40 was accepted as an indicator of complete reperfusion.

Results:

After coronary angiography, 57 patients had TFC ≤ 40 and 66 patients had TFC > 40. MPV was significantly higher in the inadequate reperfusion group (8.93 ± 0.87 fl vs 7.92 ± 0.80 fl, p < 0.001). Higher MPV was found to be an indicator of inadequate reperfusion and coordinates of the ROC curve indicated a cutoff value of 8.3 fl for MPV.

Conclusion:

Higher MPV on admission in STEMI patients treated with successful fibrinolytic therapy was found to be associated with inadequate reperfusion detected by TFC
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Patients / Reperfusion / Thrombolytic Therapy / Coronary Angiography / Mean Platelet Volume Type of study: Diagnostic study / Etiology study / Prognostic study Limits: Female / Humans / Male Language: Portuguese Journal: Int. j. cardiovasc. sci. (Impr.) Journal subject: Cardiology Year: 2016 Type: Article Affiliation country: Turkey Institution/Affiliation country: Alfakalp Medicine Center/TR / Avrupa Medicine Center/TR / Bartin State Hospital/TR / Dokuz Eylul University Hospital/TR / Sifa University Hospital/TR

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Full text: Available Index: LILACS (Americas) Main subject: Patients / Reperfusion / Thrombolytic Therapy / Coronary Angiography / Mean Platelet Volume Type of study: Diagnostic study / Etiology study / Prognostic study Limits: Female / Humans / Male Language: Portuguese Journal: Int. j. cardiovasc. sci. (Impr.) Journal subject: Cardiology Year: 2016 Type: Article Affiliation country: Turkey Institution/Affiliation country: Alfakalp Medicine Center/TR / Avrupa Medicine Center/TR / Bartin State Hospital/TR / Dokuz Eylul University Hospital/TR / Sifa University Hospital/TR