Jan 1, 1975

Influence of peritoneal dialysis on factors affecting oxygen transport

P HirszelC E Mengel


To determine the effect of changing concentrations of uremic metabolites on factors affecting oxygen transport, without the effects of extracorporeal blood pumping, we studied five patients before, during and after peritoneal dialysis. Significant decreases in serum urea, creatinine and phosphate and increase in serum bicarbonate were not associated with changes in P50, a reflection of hemoglobin-oxygen affinity. High erythrocyte 2,3-DPG concentrations decreased only slightly. Arterial pO2 increased slightly as negative fluid balance was achieved. The slight changes in oxygen transport parameters with dialysis suggest an interplay of compensatory factors and do not warrant modifying dialysis to limit the correction on acidosis or hyperphosphatemia. Effects on hemoglobin and pO2 resulting from fluid loss can be the dominant influence of peritoneal dialysis on tissue oxygenation.

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Mentioned in this Paper

Fluid Loss
Serum Bicarbonate Measurement
Oxygen Measurement, Partial Pressure, Arterial
Dialysis Procedure
Phosphate Measurement
Pharmacologic Substance
Diphosphoglyceric Acids
Hemoglobin Measurement

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