Oxygen tension monitoring in uremic patients during hemodialysis treatment

Artificial Organs
M MorosettiC U Casciani


The aim of this study was to evaluate the influence on cerebral and cutaneous vascular regions of PaO2 reduction during acetate dialysis, by monitoring conjunctival oxygen tension (PcjO2) and transcutaneous oxygen tension (PtcO2) during hemodialysis (HD) treatment. The study was performed on 23 patients with end-stage renal disease in chronic HD. All patients underwent dialytic treatment with cuprophan membranes and acetate containing dialysate. PcjO2 and PtcO2 were recorded and PaO2 and arterial carbon dioxide tension (PaCO2) were also measured. Results of the study show that hypoxemia during acetate dialysis with cuprophan membranes is not accompanied by changes of PcjO2 and therefore by changes in cerebral oxygenation. Moreover, PtcO2 remains constant during dialysis treatment. Furthermore, maintenance of normal oxygen tension at the conjunctival level is not obtained at the expense of the peripheral region of the skin.


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Related Concepts

Cuprammonium cellulose
Transcutaneous Partial Pressure of Carbon Dioxide Result
Structure of Bulbar Conjunctiva
Kidney Failure, Chronic
Membranes, Artificial
Monitoring, Physiologic

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