Correction: Factors associated with arterial stiffness assessed by pulse pressure amplification in healthy children and adolescents: a cross-sectional study

Salomão, Leticia Pereira; Magalhães, Giselle Santos; Silva, José Felippe Pinho da; Santos, Luzia Maria dos; Moura, Isabel Cristina Gomes; Rezende, Bruno Almeida; Rodrigues-Machado, Maria Glória

doi:10.1186/s12887-023-04052-8

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“…In the present study, pulse pressure amplification was significantly higher in the group of transplant candidates when compared to the control group. Pulse pressure amplification is a physiological phenomenon, characterized by the gradual increase in resistance from the aorta/carotid arteries to the brachial/radial arteries 44 . The pulse pressure amplification is calculated by the relation between the peripheral pulse pressure and the central pulse pressure and its reduction occurs in the presence of arterial stiffness.…”

Section: Discussionmentioning

confidence: 99%

Aortic pulse wave analysis and functional capacity of heart transplantation candidates: a pilot study

Alcici-Moreira,

Vitarelli,

Velloso

et al. 2024

Sci Rep

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We compared cardiovascular parameters obtained with the Mobil-O-Graph and functional capacity assessed by the Duke Activity Status Index (DASI) before and after Heart Transplantation (HT) and also compared the cardiovascular parameters and the functional capacity of candidates for HT with a control group. Peripheral and central vascular pressures increased after surgery. Similar results were observed in cardiac output and pulse wave velocity. The significant increase in left ventricular ejection fraction (LVEF) postoperatively was not followed by an increase in the functional capacity. 24 candidates for HT and 24 controls were also compared. Functional capacity was significantly lower in the HT candidates compared to controls. Stroke volume, systolic, diastolic, and pulse pressure measured peripherally and centrally were lower in the HT candidates when compared to controls. Despite the significant increase in peripheral and central blood pressures after surgery, the patients were normotensive. The 143.85% increase in LVEF in the postoperative period was not able to positively affect functional capacity. Furthermore, the lower values of LVEF, systolic volume, central and peripheral arterial pressures in the candidates for HT are consistent with the characteristics signs of advanced heart failure, negatively impacting functional capacity, as observed by the lower DASI score.

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Section: Discussionmentioning

confidence: 99%