Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/1677-5449.202300762
Jornal Vascular Brasileiro
Original Article

Discriminative value of pulse wave velocity for arterial stiffness and cardiac injury in prediabetic patients

Valor discriminativo da velocidade da onda de pulso para rigidez arterial e lesão cardíaca em pacientes pré-diabéticos

Stella Maris Firmino; Cássia da Luz Goulart; João Paulo Gregorio; Klaus Werner Wende; Fernanda Yuri Yuamoto; Lana Kummer; Emílio Martins Curcelli; Alessandro Domingues Heubel; Erika Zavaglia Kabbach; Polliana Batista Santos; Audrey Borghi-Silva; Renata Gonçalves Mendes; Ângela Mérice de Oliveira Leal; Meliza Goi Roscani

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Abstract

Background: Prediabetes (PD) is defined as impaired fasting glucose and/or impaired glucose tolerance (IGT) and may be associated with high risk of cardiovascular injury. It is recommended that PD patients be screened for signs of arterial stiffness and cardiovascular injury to reinforce therapeutic strategies.

Objectives: To identify pulse wave velocity values discriminative for arterial stiffness and cardiovascular injury in PD patients.

Methods: A cross-sectional study was conducted with PD (N=43) and normoglycemic (N=37) patients who underwent clinical evaluation, arterial stiffness assessment by carotid-femoral pulse wave velocity (cfPWV) using SphygmoCor, laboratory blood analysis, investigation of morphological and functional cardiac variables by transthoracic echocardiogram, and assessment of carotid intima-media-thickness (CIMT) by carotid ultrasonography. A statistical analysis was performed using SPSS software and values of p<0.05 were considered significant.

Results: A cfPWV cut-off value of 6.9 m/s was identified for IGT (Sensitivity [SE]: 74% and Specificity [SP]: 51%). Comparison of general data and risk factors between subsets with values above and below this cutoff value revealed higher rates of fasting glucose (p=0.02), obesity (p=0.03), dyslipidemia (p=0.004), early signs of left ventricle (p=0.017) and right ventricle (p=0.03) impaired diastolic function, and elevated CIMT in subjects with cfPWV ≥ 6.9m/s (p=0.04).

Conclusions: In PD patients, a cfPWV cutoff of 6.9 m/s was considered a discriminative value for arterial stiffness. These findings highlight the value of early investigation of cardiovascular injury and aggressive therapy strategies with good control of risk factors in PD.

Keywords

arterial stiffness, carotid-femoral pulse wave velocity, prediabetics, risk factors

Resumo

Contexto: O pré-diabetes (PD) é definido como glicemia de jejum alterada e/ou tolerância à glicose alterada (TGA) e pode estar associado a alto risco de lesão cardiovascular. Recomenda-se discriminar quais pacientes com PD podem apresentar sinais de rigidez arterial e lesão cardiovascular para reforçar as estratégias terapêuticas.

Objetivos: Identificar os valores discriminativos da velocidade de onda de pulso determinantes de rigidez arterial e lesão cardiovascular em pacientes com PD.

Métodos: Estudo transversal em pacientes com PD (N=43) e normoglicêmicos (N=37) submetidos a avaliação clínica, avaliação da rigidez arterial pela velocidade da onda de pulso carótido-femoral (cfPWV) utilizando SphygmoCor, análise laboratorial de sangue, investigação de alterações morfológicas e variáveis cardíacas funcionais por ecocardiograma transtorácico e avaliação da espessura íntima-média carotídea (EIMC) pela ultrassonografia da carótida. A análise estatística foi realizada no software SPSS, e valores de p<0,05 foram considerados significativos.

Resultados: Foi identificado um valor de corte cfPWV de 6,9 m/s para TGA (sensibilidade 74% e especificidade 51%). A comparação dos dados e fatores de risco entre valores acima e abaixo do valor de corte estabelecido revelou glicemia de jejum elevada (p=0,02), obesidade (p=0,03), dislipidemia (p=0,004), sinais precoces de função diastólica prejudicada do ventrículo esquerdo (p=0,017) e ventrículo direito (p=0,03) e maior EIMC em cfPWV ≥6,9m/s (p=0,04).

Conclusões: Em pacientes com PD, o cfPWV de 6,9 m/s foi considerado um valor discriminativo de rigidez arterial. Esses achados reforçam que a investigação precoce da lesão cardiovascular e uma estratégia com terapia agressiva são valiosas no controle dos fatores de risco na PD.

Palavras-chave

rigidez arterial, velocidade da onda de pulso carotídeo-femoral, pré-diabéticos, fatores de risco

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Submitted date:
06/30/2023

Accepted date:
09/12/2023

Sociedade Brasileira de Angiologia e Cirurgia Vascular (SBACV)"> Sociedade Brasileira de Angiologia e Cirurgia Vascular (SBACV)">
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