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Pressão de pulso como marcador prognóstico na síndrome coronariana aguda / Pulse pressure as a marker of prognosis in acute coronary syndrome
Rodrigues, Ana Rita Gonçalves Romão Almeida; Sá, Catarina; Rassi, Leandro; Gonçalves, Sara; Seixo, Filipe.
  • Rodrigues, Ana Rita Gonçalves Romão Almeida; Centro Hospitalar de Setúbal. Hospital de São Bernardo. Serviço de Cardiologia. Setúbal. PT
  • Sá, Catarina; Centro Hospitalar de Setúbal. Hospital de São Bernardo. Serviço de Cardiologia. Setúbal. PT
  • Rassi, Leandro; Centro Hospitalar de Setúbal. Hospital de São Bernardo. Serviço de Cardiologia. Setúbal. PT
  • Gonçalves, Sara; Centro Hospitalar de Setúbal. Hospital de São Bernardo. Serviço de Cardiologia. Setúbal. PT
  • Seixo, Filipe; Centro Hospitalar de Setúbal. Hospital de São Bernardo. Serviço de Cardiologia. Setúbal. PT
Int. j. cardiovasc. sci. (Impr.) ; 28(5): 409-416, set.-out. 2015. tab, graf
Article in Portuguese | LILACS | ID: lil-786807
RESUMO
Fundamentos Pressão de pulso (PP) corresponde à diferença entre pressão arterial sistólica e diastólica. Na síndrome coronariana aguda (SCA), a PP à admissão relaciona-se potencialmente com o prognóstico.

Objetivo:

Avaliar o impacto prognóstico da PP na admissão hospitalar por SCA.

Métodos:

Estudaram-se 8 152 pacientes, incluídos no Registro Nacional Português de SCA, calculando-se a PP àadmissão hospitalar. Criaram-se dois grupos de acordo com um valor cut-off de PP a partir do qual é mais significativa a presença de eventos adversos intra-hospitalares [morte, reinfarto, hemorragia, insuficiência cardíaca(IC)]. Foi então avaliada a ocorrência dos eventos adversos e a gravidade da doença coronariana.

Resultados:

O valor cut-off foi 50 mmHg. O Grupo 1 (PP ≥50 mmHg) incluiu 5 459 (67,0%) pacientes, sendo significativamente mais velhos (67,0±13,0 anos vs. 63,0±14,0 anos; p<0,001) com mais hipertensão arterial (75,0%vs. 59,4%; p<0,001), diabetes (33,0% vs. 23,1%; p<0,001) e doença multiarterial (56,1% vs. 51,9%. Valores de PP<50 mmHg (Grupo 2) estão associados à maior taxa de eventos adversos – combinado de morte, reinfarto,hemorragia e IC (56,2% vs. 47,0%; p<0,001). PP <50mmHg foi preditor independente de IC (OR 1,3 IC95% 1,1-1,4)e do combinado de eventos (OR 1,2 IC95% 1,1-1,4).

Conclusão:

Apesar de os valores de PP mais elevados se relacionarem significativamente com pior perfil de risco cardiovascular, valores de PP mais baixos estiveram mais associados a eventos adversos intra-hospitalares.
ABSTRACT

Background:

Pulse pressure (PP) is the difference between the systolic and the diastolic blood pressure. In the acute coronary syndrome (ACS), PP at the admission is potentially related to the prognosis.

Objective:

Evaluating the PP prognosis impact at the hospital admission due to ACS.

Methods:

The study featured 8152 patients, included in the Portuguese National Record of ACS, calculating the PP at the hospital admission. Two groups were created under a cut-off PP value from which the presence of intra-hospital adverse events [death,reinfarction, bleeding, heart failure (HF)] is more significant. Then, the occurrence of adverse events and the coronary disease seriousness were evaluated.

Results:

The cut-off value was 50 mmHg. Group 1 (PP ≥50 mmHg) featured 5459 (67.0%) patients, being significantly older(67.0±13.0 years vs. 63.0±14.0 years; p<0.001) with more hypertension (75.0% vs. 59.4%; p<0.001), diabetes (33.0% vs. 23.1%;p<0.001), and multiarterial disease (56.1% vs. 51.9%). PP values <50 mmHg (Group 2) are related to a higher rate of adverseevents – a combination of death, reinfarction, bleeding and HF (56.2% vs. 47.0%; p<0.001). PP <50 mmHg was independente predictor of HF (OR 1.3 CI95% 1.1-1.4) and of the combination of events (OR 1.2 CI95% 1.1-1.4).

Conclusion:

Despite higher PP values being significantly related to worst cardiovascular risk profile, lower PP values were more associated to intra-hospital adverse events.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Prognosis / Blood Pressure / Biomarkers / Acute Coronary Syndrome Type of study: Diagnostic study / Etiology study / Prognostic study / Risk factors Limits: Aged / Female / Humans / Male Language: Portuguese Journal: Int. j. cardiovasc. sci. (Impr.) Journal subject: Cardiology Year: 2015 Type: Article Affiliation country: Portugal Institution/Affiliation country: Centro Hospitalar de Setúbal/PT

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Full text: Available Index: LILACS (Americas) Main subject: Prognosis / Blood Pressure / Biomarkers / Acute Coronary Syndrome Type of study: Diagnostic study / Etiology study / Prognostic study / Risk factors Limits: Aged / Female / Humans / Male Language: Portuguese Journal: Int. j. cardiovasc. sci. (Impr.) Journal subject: Cardiology Year: 2015 Type: Article Affiliation country: Portugal Institution/Affiliation country: Centro Hospitalar de Setúbal/PT