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In 12 patients who underwent hemodialysis by a dual lumen jugular venous catheter, urea recirculation rate was measured during conventional treatment under normal conditions (R1), as well as when the venous lumen of the catheter was used as arterial lumen and the arterial as venous lumen (R2). Although the mean value of R2 was, as expected, higher than R1 (8.25 ± 2.7 versus 4.25 ± 1.00; p = 0.0004), it was still within the acceptable rate. We conclude that during hemodialysis by a dual lumen jugular venous catheter, efficient treatment can be provided when the venous is used as arterial lumen.

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