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December 7, 2017
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December 7, 2017
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Abstract
Introduction: One of the main objectives of the haemodialysis
patient is to achieve adequate dialysis. Many authors defend the dialysis dose as a marker for adequate dialysis. The literature refers to a lower dialysis dose in patients with a permanent catheter.
Objective: To evaluate the reached dialysis dose by the patient according to the type of vascular access.
Material and Method: Prospective descriptive study in patients in haemodialysis program, who were dialyzed at least 1 month, through the same permanent vascular access.
The dialysis dose was assessed by Kt and Kt/V. Kt data, measured by the monitor, were collected by ionic dialysance in all sessions of the study period. Kt was considered adequate if 40-45L were reached in women
or 45-50L in men, and as an optimum, if larger numbers were reached. The Kt/V was calculated using the Daugirdas’ 2nd generation formula, considering it adequate if =1.3.
Results: Forty-five patients with a mean age of 66.78 ± 15.86 years were studied. Arteriovenous Fistula (AVF) was used in 31% of haemodialysis seasons. Patients with AVF reached a Kt of 49.68L versus 47.6L of those
with Permanent Central Venous Catheter (P-CVC). Kt/V was 1.56 for patients with AVF and 1.55 for those
with P-CVC, although without statistically significant
differences. Kt/V was adequate in 78.6% of those with AVF and 77.4% of patients with P-CVC.
Conclusions: According to our data, there is no difference
in the reached dialysis dose according to the type of vascular access employed.
patient is to achieve adequate dialysis. Many authors defend the dialysis dose as a marker for adequate dialysis. The literature refers to a lower dialysis dose in patients with a permanent catheter.
Objective: To evaluate the reached dialysis dose by the patient according to the type of vascular access.
Material and Method: Prospective descriptive study in patients in haemodialysis program, who were dialyzed at least 1 month, through the same permanent vascular access.
The dialysis dose was assessed by Kt and Kt/V. Kt data, measured by the monitor, were collected by ionic dialysance in all sessions of the study period. Kt was considered adequate if 40-45L were reached in women
or 45-50L in men, and as an optimum, if larger numbers were reached. The Kt/V was calculated using the Daugirdas’ 2nd generation formula, considering it adequate if =1.3.
Results: Forty-five patients with a mean age of 66.78 ± 15.86 years were studied. Arteriovenous Fistula (AVF) was used in 31% of haemodialysis seasons. Patients with AVF reached a Kt of 49.68L versus 47.6L of those
with Permanent Central Venous Catheter (P-CVC). Kt/V was 1.56 for patients with AVF and 1.55 for those
with P-CVC, although without statistically significant
differences. Kt/V was adequate in 78.6% of those with AVF and 77.4% of patients with P-CVC.
Conclusions: According to our data, there is no difference
in the reached dialysis dose according to the type of vascular access employed.
Keywords
dialysis dose
haemodialysis; vascular access
adequate dialysis
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How to Cite
1.
Pelayo Alonso R, Martínez Álvarez P, Cagigas Villoslada MJ, Villa Llamazares C, Cuadrado Mantecón ME, Gándara Revuelta M. Reached dialysis dose in hemodialysis patients according to the type of vascular access. Enferm Nefrol [Internet]. 2017 [cited 2025 Apr 30];20(4):[about 6 p.]. Available from: https://www.enfermerianefrologica.com/revista/article/view/4072
