Key result
Crossover of heparin therapy did not increase the risk of moderate or mild bleeding in patients with acute coronary syndrome undergoing transradial PCI.
Why the study?
Does crossover of heparin therapy increase bleeding risk in patients with ACS undergoing transradial PCI?
Observational (n=140)
Does crossover of heparin therapy increase bleeding risk in patients with ACS undergoing transradial PCI?
Crossover from low molecular weight to unfractionated heparin does not increase bleeding risk in ACS patients undergoing transradial PCI.
Answers are grounded in this paper and cite their sources.
May support heparin crossover without added bleeding in transradial ACS PCI; leaves open randomized confirmation.
Radial access is effective in reducing bleeding complications in percutaneous coronary interventions (PCI). In acute coronary syndromes (ACS), the crossover from low molecular weight to unfractioned heparin increases the risk of bleeding after transfemoral PCI. The aim of this study was to evaluate the incidence of bleeding in patients with ACS undergoing PCI using the radial approach according to the occurrence or not of crossover of heparin therapy. Observational study of patients with ACS undergoing PCI using the radial access, divided into groups: A (with crossover) and B (without crossover). Bleeding events were classified according to GUSTO criteria; EASY criteria were used for bleeding events in the radial access. We included 140 consecutive patients, 74 in group A and 66 in group B, with mean age of 59.7 ± 9.4 years, 72.8% were male, and 21.4% diabetic. There were six cases of bleeding complications (4.3%), and two (1.4%) were classified by GUSTO as moderate (one digestive bleeding and one femoral bleeding after intraaortic balloon pump), and four (2.9%) were classified as mild (hematomas with diameter ≤ 5 cm). In the comparison between groups, moderate bleeding occurred in 1.3% in group A and 1.5% in group B (P = 0.49) and mild bleedings in 2.7% and 3.1% in groups A and B, respectively (P = 0.37). In this cohort of patients with ACS undergoing PCI using the radial access, a low incidence of bleeding events was observed, and most of these bleeding complications resulted from small hematomas of the access route. Crossover of heparin therapy did not increase the risk of bleeding after transradial PCI. Crossover da Terapia com Heparina e Risco de Sangramento na Intervenção Coronária Percutânea Transradial na Síndrome Coronária Aguda A utilização da via radial tem reconhecida eficácia em reduzir complicações hemorrágicas na intervenção coronária percutânea (ICP). Nas síndromes coronárias agudas (SCAs), o crossover (transição) entre a heparina de baixo peso molecular e a heparina não-fracionada aumenta o risco hemorrágico após ICP por via femoral. O objetivo deste estudo foi comparar a incidência de sangramentos em pacientes com SCA submeti dos a ICP por via radial de acordo com a ocorrência, ou não, do crossover da terapia com heparina. Estudo observacional de pacientes com SCA submetidos a ICP por via radial, divididos em grupos A (no qual ocorreu crossover) e B (sem crossover). Os eventos hemorrágicos foram classificados conforme os critérios do GUSTO; para os sangramentos da via de acesso radial, foram utilizados os critérios do EASY. Foram incluídos 140 pacientes consecutivos, 74 pacientes no grupo A e 66 pacientes no grupo B, com média de idade de 59,7 ± 9,4 anos, 72,8% do sexo masculino e 21,4% diabéticos. Ocorreram seis casos de complicações hemorrágicas (4,3%), sendo duas (1,4%) classificadas pelo GUSTO como moderadas (uma hemorragia digestiva e um sangramento femoral após balão intra-aórtico) e quatro (2,9%), como leves (hematomas com diâmetro ≤ 5 cm). Na comparação entre os grupos, sangramentos moderados ocorreram em 1,3% no grupo A e em 1,5% no grupo B (P = 0,49) e sangramentos leves, em 2,7% e em 3,1% nos grupos A e B, respectivamente (P = 0,37). Nesta casuística de pacientes com SCA submetidos a ICP pela via radial, foi observada baixa incidência de sangramentos, sendo a maioria das complicações hemorrágicas decorrente de pequenos hematomas da via de acesso. O crossover da terapia com heparina não conferiu risco aumentado de sangramentos após ICP pela via radial.
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Barbosa et al. (2012) conducted an observational in Acute Coronary Syndrome (n=140). Crossover of heparin therapy vs. No crossover of heparin therapy was evaluated on Moderate bleeding (p=0.49). Crossover of heparin therapy did not increase the risk of moderate or mild bleeding in patients with acute coronary syndrome undergoing transradial PCI.
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