The large prevalence of respiratory acid-base disordersoverlapping metabolic acidosis in hemodialysis popu-lation should prompt nephrologists to deal with the partial pressure of carbon dioxide （pCO2） complying with...The large prevalence of respiratory acid-base disordersoverlapping metabolic acidosis in hemodialysis popu-lation should prompt nephrologists to deal with the partial pressure of carbon dioxide （pCO2） complying with the reduced bicarbonate concentration. What the most suitable formula to compute pCO2 is reviewed. Then, the neglected issue of CO2 content in the dialysis fluid is under the spotlight. In fact, a considerable amount of CO2 comes to patients’ bloodstream every hemodialysis treatment and “acidosis by dialysate” may occur if lungs do not properly clear away this burden of CO2. Moreover, vascular access recirculation may be easy diagnosed by detecting CO2 in the arterial line of extracorporeal circuit if CO2-enriched blood from the flter reenters arterial needle.展开更多
文摘The large prevalence of respiratory acid-base disordersoverlapping metabolic acidosis in hemodialysis popu-lation should prompt nephrologists to deal with the partial pressure of carbon dioxide （pCO2） complying with the reduced bicarbonate concentration. What the most suitable formula to compute pCO2 is reviewed. Then, the neglected issue of CO2 content in the dialysis fluid is under the spotlight. In fact, a considerable amount of CO2 comes to patients’ bloodstream every hemodialysis treatment and “acidosis by dialysate” may occur if lungs do not properly clear away this burden of CO2. Moreover, vascular access recirculation may be easy diagnosed by detecting CO2 in the arterial line of extracorporeal circuit if CO2-enriched blood from the flter reenters arterial needle.
