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BackgroundThe incidence of diabetes mellitus (DM) in China is increasing yearly and has become a major problem plaguing national public health. The diagnosis of diabetic kidney disease (DKD) is based primarily on clinical criteria, and most patients do not receive a formal evaluation by renal biopsy; thus, misdiagnosis and underdiagnosis are common. The incidence of non-diabetic kidney disease (NDKD) is also higher in those with DM. To date, many cases of IgA nephropathy (IgAN) among those with DKD have been reported, while cases of IgAN in patients with long-duration DM who did not develop DKD are less commonly reported.Case descriptionA 70-year-old male patient with a diabetes duration of 26 years had proteinuria for one year. The clinical manifestations of nephrotic syndrome and IgAN were confirmed by renal biopsy. The patient received targeted treatment for three years with partial alleviation of proteinuria.ConclusionRenal biopsy might aid in the definitive diagnosis of DKD, NDKD, and NDKD combined with DKD. Precise therapy based on renal pathology might help to improve outcomes in the kidney.

ObjectiveThe aim of this study was to analyze the epidemiological characteristics of the causes of chronic kidney disease (CKD) stage 5 patients in North China and to investigate the economic burden of those on hemodialysis (HD) or peritoneal dialysis (PD), as well as the associated influencing factors.MethodsGeneral clinical information, etiological categories, and hospitalization costs for HD or PD were collected from 1,515 patients hospitalized with stage 5 CKD at the Affiliated Hospital of Hebei University from 2016 to 2018. Logistic regression analysis was used to analyze the independent influencing factors affecting patients' financial burden.ResultsThe highest rate of DN was found in patients aged 70 years or older (27.0%) and the highest incidence of primary glomerulopathy was found in patients aged