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학습 자료 둘러보기 →The priority intervention for hyperphosphatemia in stage 4 CKD is patient education on dietary phosphorus restriction and phosphate binder administration. This directly targets the primary source of phosphorus accumulation due to negligible renal excretion.
Phosphate binders must be administered with meals to chelate dietary phosphorus in the gut and prevent absorption. Common binders include calcium acetate and sevelamer. Dietary teaching should focus on avoiding high-phosphorus foods like dairy, nuts, and processed meats.
Do not prioritize increasing fluid intake; damaged kidneys cannot excrete phosphorus effectively. Avoid giving calcium supplements without binder therapy, as this can raise the risk of metastatic calcification when the calcium-phosphorus product is high.
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