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Comparative Analysis between Transferred and Self-Referred STEMI Patients Undergoing Primary Angioplasty / Análise Comparativa entre Pacientes com IAMCSST Transferidos e Pacientes de Demanda Espontânea Submetidos à Angioplastia Primária
Balk, Maurício; Gomes, Henrique Basso; Quadros, Alexandre Schaan de; Saffi, Marco Aurélio Lumertz; Leiria, Tiago Luiz Luz.
  • Balk, Maurício; Fundação Universitária de Cardiologia. Instituto de Cardiologia. Porto Alegre. BR
  • Gomes, Henrique Basso; Fundação Universitária de Cardiologia. Instituto de Cardiologia. Porto Alegre. BR
  • Quadros, Alexandre Schaan de; Fundação Universitária de Cardiologia. Instituto de Cardiologia. Porto Alegre. BR
  • Saffi, Marco Aurélio Lumertz; Fundação Universitária de Cardiologia. Instituto de Cardiologia. Porto Alegre. BR
  • Leiria, Tiago Luiz Luz; Fundação Universitária de Cardiologia. Instituto de Cardiologia. Porto Alegre. BR
Arq. bras. cardiol ; 112(4): 402-407, Apr. 2019. tab, graf
Article in English | LILACS | ID: biblio-1001282
ABSTRACT
Abstract

Background:

Studies have shown the benefits of rapid reperfusion therapy in acute myocardial infarction. However, there are still delays during transport of patients to primary angioplasty.

Objective:

To evaluate whether there is a difference in total ischemic time between patients transferred from other hospitals compared to self-referred patients in our institution.

Methods:

Historical cohort study including patients with acute myocardial infarction treated between April 2014 and September 2015. Patients were divided into transferred patients (group A) and self-referred patients (group B). Clinical characteristics of the patients were obtained from our electronic database and the transfer time was estimated based on the time the e-mail requesting patient's transference was received by the emergency department.

Results:

The sample included 621 patients, 215 in group A and 406 in group B. Population characteristics were similar in both groups. Time from symptom onset to arrival at the emergency department was significantly longer in group A (385 minutes vs. 307 minutes for group B, p < 0.001) with a transfer delay of 147 minutes. There was a significant relationship between the travel distance and increased transport time (R = 0.55, p < 0.001). However, no difference in mortality was found between the groups.

Conclusion:

In patients transferred from other cities for treatment of infarction, transfer time was longer than that recommended, especially in longer travel distances.
RESUMO
Resumo Fundamento Estudos mostram o benefício da terapia de reperfusão rápida no infarto agudo do miocárdio. No entanto, ainda ocorrem atrasos durante o transporte de pacientes para angioplastia primária.

Objetivo:

Definir se existe uma diferença no tempo total de isquemia entre pacientes transferidos de outro hospital comparados aos que procuram o serviço espontaneamente.

Método:

Estudo de coorte histórico, incluindo pacientes atendidos com infarto entre abril de 2014 e setembro de 2015. Os pacientes foram divididos em pacientes transferidos (grupo A) e por demanda espontânea (grupo B). As características clínicas dos pacientes foram retiradas do banco de dados de infarto e o tempo de transferência foi estimado tendo como base o correio eletrônico de acordo com o horário de contato. O nível de significância adotado foi um p < 0,05%.

Resultados:

A amostra incluiu 621 pacientes, 215 no grupo A e 406 no grupo B. As características populacionais foram semelhantes nos dois grupos. O delta T foi significativamente maior no grupo de pacientes transferidos (385 minutos vs. 307 minutos para o grupo B, p < 0,001) com um atraso decorrente do transporte de 147 minutos. Houve relação significativa da distância de transferência e aumento do tempo de transporte (R = 0,55; p < 0,001). Entretanto, não houve diferença na mortalidade entre os grupos.

Conclusão:

Pacientes transferidos de outras cidades para tratamento de infarto tem Delta T de transferência acima do recomendado, com tempo ainda mais longo quanto maior a distância a ser percorrida.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Referral and Consultation / Patient Transfer / Angioplasty / ST Elevation Myocardial Infarction Type of study: Etiology study / Incidence study / Observational study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Fundação Universitária de Cardiologia/BR

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Full text: Available Index: LILACS (Americas) Main subject: Referral and Consultation / Patient Transfer / Angioplasty / ST Elevation Myocardial Infarction Type of study: Etiology study / Incidence study / Observational study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Fundação Universitária de Cardiologia/BR