Konservativ behandling af nedsat nyrefunktion (hvilket inkluderer kontrol af acidose, hyperparathyroidisme og ernæringsmæssig status et år inden behandlingen) bør være etableret og bør opretholdes under behandlingen.
Conservative treatment for renal insufficiency (which includes control of acidosis, hyperparathyroidism, and nutritional status for one year prior to the treatment) should have been established and should be maintained during treatment.