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Comparação dos Resultados entre os Fenômenos de No-Reflow e Slow-Flow Coronariano em Pacientes sem IAMSSST / Comparison of the Outcomes between Coronary No-Reflow and Slow-Flow Phenomenon in Non-STEMI Patients
Huyut, Mustafa Ahmet.
  • Huyut, Mustafa Ahmet; Yeni Yuzyil University. Faculty of Medicine. Department of Cardiology. Istambul. TR
Arq. bras. cardiol ; 116(5): 856-864, nov. 2021. tab, graf
Article in English, Portuguese | LILACS | ID: biblio-1248902
RESUMO
Resumo Fundamento Os fenômenos de slow-flow (CSFP) e no-reflow coronariano (CNP) estão associados a um risco aumentado de eventos cardiovasculares adversos maiores (ECAM).

Objetivos:

Este estudo teve como objetivo avaliar e comparar os resultados do seguimento clínico de um ano entre pacientes com CNP e CSFP submetidos a intervenções coronárias percutâneas (ICP) em infarto agudo do miocárdio sem supradesnivelamento do segmento ST (IAMSSST).

Métodos:

Este estudo incluiu um total de 858 pacientes com diagnóstico de IAMSSST e submetidos a ICP nas 24 horas desde o início dos sintomas. Os pacientes foram divididos em dois grupos, o grupo CSFP (n = 221) e o grupo CNP (n = 25), considerando as características angiográficas do fluxo da trombólise no infarto do miocárdio (TIMI) e na artéria relacionada ao infarto. Os pacientes tiveram um seguimento de um ano. Um valor de p <0,05 foi considerado significativo.

Resultados:

O CNP foi observado em 2,91% e o CSFP em 25,75% dos pacientes. Os desfechos clínicos analisaram que a incidência de acidente vascular cerebral (AVC) foi significativamente maior no grupo CNP do que no grupo CSFP (6 (24%) vs. 6 (2,70%), p <0,001) e a de ECAM foi significativamente maior no grupo CNP do que no grupo CSFP (11 (44%) vs. 51 (23,10%), p = 0,022). A análise de regressão logística condicional forward demonstrou que o índice de massa corporal (IMC) (OR = 1,11, IC95% 1,00-1,24, p = 0,038) e frequência cardíaca (FC) basal (OR = 0,923, IC 95% 0,88-0,96, p <0,001) foram os preditores independentes de CNP no IAMSSST.

Conclusões:

Pacientes com CNP têm piores resultados clínicos e um maior risco de AVC em comparação com pacientes com CSFP no IAMSSST.
ABSTRACT
Abstract

Background:

Coronary slow-flow phenomenon (CSFP) and coronary no-reflow phenomenon (CNP) are associated with increased risk of major cardiovascular adverse events (MACE).

Objectives:

This study aimed to evaluate and compare the one-year clinical follow-up outcomes among patients with CNP and CSFP who underwent percutaneous coronary interventions (PCI) in non-ST elevation myocardial infarction (NSTEMI).

Methods:

This study included a total of 858 patients who were diagnosed with NSTEMI and underwent PCI within 24 h of symptom onset. The patients were divided into two groups, the CSFP group (n=221) and the CNP group (n=25), regarding the angiographic characteristics of thrombolysis in myocardial infarction (TIMI) flow of the infarct-related artery. Patients were followed for one-year. A p-value of <0.05 was considered significant.

Results:

CNP was observed in 2.91%, and CSFP was observed in 25.75% of the patients. Clinical endpoints analyzed that stroke was significantly higher in the CNP group than in the CSFP group (6 (24%) vs. 6 (2.70%), p<0.001) and MACE was significantly higher in the CNP group than in the CSFP group (11 (44%) vs. 51 (23.10%), p=0.022). Forward conditional logistic regression analysis demonstrated that body mass index (BMI) (OR=1.11, 95%CI 1.00-1.24, p=0.038) and baseline heart rate (HR) (OR=0.923, 95%CI 0.88-0.96, p<0.001) were the independent predictors of CNP in NSTEMI.

Conclusion:

CNP patients have worse clinical outcomes and a higher risk of stroke compared with CSFP patients in NSTEMI. (Arq Bras Cardiol. 2021; 116(5)856-864)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: No-Reflow Phenomenon / Percutaneous Coronary Intervention / Non-ST Elevated Myocardial Infarction Type of study: Prognostic study / Risk factors Limits: Humans Language: English / Portuguese Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 2021 Type: Article Affiliation country: Turkey Institution/Affiliation country: Yeni Yuzyil University/TR

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Full text: Available Index: LILACS (Americas) Main subject: No-Reflow Phenomenon / Percutaneous Coronary Intervention / Non-ST Elevated Myocardial Infarction Type of study: Prognostic study / Risk factors Limits: Humans Language: English / Portuguese Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 2021 Type: Article Affiliation country: Turkey Institution/Affiliation country: Yeni Yuzyil University/TR