血液透析(HD)的主要目的之一是清除透析期间潴留干体内的水分,使透析结束时患者达到干体重。这对维持慢性肾功能衰竭(CRF)尿毒症期患者机体的正常生理功能,减少并发症,延长生命起着举足轻重的作用。但干体重的评估是临床治疗中的一个难题,目前尚无金标准。我们通过测定脑钠肽(B One of the primary purposes of hemodialysis (HD) is to remove water retention in the dry body during dialysis so that the patient reaches dry weight at the end of dialysis. This is to maintain the normal physiological function of the body of patients with chronic renal failure (CRF) uremia, reduce complications and prolong life play a decisive role. However, the assessment of dry weight is a problem in clinical treatment, there is no gold standard. We measured brain natriuretic peptide (B