Potential Association of Body Constitution with the Prognosis of IgA Nephropathy: A Long-Time Follow-Up of 203 Cases in China
- PMID: 31341498
- PMCID: PMC6612381
- DOI: 10.1155/2019/6289478
Potential Association of Body Constitution with the Prognosis of IgA Nephropathy: A Long-Time Follow-Up of 203 Cases in China
Abstract
Objective: This study investigated the association between body constitution (BC) and the prognosis of IgA nephropathy.
Methods: We analyzed 203 biopsy-diagnosed IgA nephropathy patients, who were followed up for (63.9±16.2) months. The participants' BC statuses were evaluated with the Constitution in Chinese Medicine Questionnaire; the relationships between clinical parameters and renal outcomes were analyzed by Cox regression.
Results: Patients were classified into chronic kidney disease stages with 43.4% in stage 1, 27.1% in stage 2, 26.1% in stage 3, 3.5% in stage 4, and none in stage 5. Qi-deficiency BC type was the most common BC type in IgA nephropathy patients. In univariate analysis, proteinuria of more than 1g/d, hypertension, renal impairment (estimated glomerular filtration rate <60 mL/min), hypoproteinemia, hyperuricemia, Yang-deficiency BC, and blood-stasis BC were associated with poor prognosis. Multivariate analysis identified that hypertension (hazard ratios (HR) 3.5, P=0.009), renal impairment (HR 5.8, P<0.001), Yang-deficiency BC (HR 2.3, P=0.041), and blood-stasis BC (HR 2.5, P=0.017) were independent predictors of unfavorable renal outcomes.
Conclusions: Most patients of IgA nephropathy were biopsied at an early stage. Yang-deficiency BC and blood-stasis BC at biopsy were most closely associated with the worse prognosis of IgA nephropathy along with hypertension and renal impairment.
References
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- Lin J. S., Chen L. L., Lin J. D., et al. Bcqs: a body constitution questionnaire to assess Yin-Xu. Part II: evaluation of reliability and validity. Forsch Komplementmed. 2012;19(6):285–292. - PubMed
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