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Enfermería Nefrológica
versión On-line ISSN 2255-3517versión impresa ISSN 2254-2884
Resumen
MANZANO-ANGUA, Juan Manuel et al. Influence of the orientation of the arterial line of the tunneled hemodialysis central venous catheter on early dysfunction. Enferm Nefrol [online]. 2022, vol.25, n.4, pp.319-328. Epub 13-Mar-2023. ISSN 2255-3517. https://dx.doi.org/10.37551/52254-28842022032.
Introduction:
Dysfunction and infections are the most frequent causes of removal of tunneled central venous hemodialysis catheters.
Objective:
To analyse whether the lateral or medial orientation of the catheter’s arterial line influences early dysfunction.
Material and Method:
Prospective observational study of 24 months’ duration. Adult hemodialysis patients undergoing first-time cannulation of a tunneled venous catheter of the Palindrome® or Bioflo Duramax® model were included. Variables: arterial line orientation, catheter model, socio-demographic and clinical characteristics, blood pump flows, arterial and venous pressures, conductance, complications and defining characteristics of early dysfunction.
Results:
A total of 178 patients were studied, mean age 64.4±15.1 years; 108 men; 105 with arterial line in lateral orientation and 73 with medial orientation. There was early dysfunction in 30 cases (16.9%): lateral orientation 63.3% (n=19) vs medial orientation 36.7% (n=11), (p=0.621). In all cases with early dysfunction, it was necessary to reverse the catheter line to the extracorporeal circuit connections, due to a pump flow <250 ml/min, being more frequent in Palindrome® catheters with arterial line in lateral orientation, 87.5% (n=7) vs medial orientation 12.5% (n=1), (p=0.063).
Conclusions:
In our sample, arterial line orientation did not influence early catheter dysfunction.
Palabras clave : early dysfunction; tunneled central venous catheter; arterial line orientation; hemodialysis.