Saliva for assessing creatinine, uric acid, and potassium in nephropathic patients.
Giancarlo BilancioPierpaolo CavalloCinzia LombardiErmanno GuarinoVincenzo CozzaFrancesco GiordanoGiuseppe PalladinoMassimo CirilloPublished in: BMC nephrology (2019)
Saliva levels of creatinine, uric acid, and potassium are measurable and correlated with their plasma levels. Early morning fasting fresh saliva samples are advisable because later collection times or freezing lower the saliva levels of these analytes.