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Journal Article
Validation Studies
Coronary risk score for mineral bone disease in chronic non-diabetic hemodialysis patients: results from a prospective pilot study.
International Urology and Nephrology 2017 April
INTRODUCTION: Chronic kidney disease-mineral bone disorder enhances coronary artery impairment (often occult and difficult to diagnose) in hemodialysis (HD) patients. The aim of the study was to correlate biochemical and imagistic parameters of MBD with the degree of documented coronary artery disease (CAD) in non-diabetic HD patients, in order to obtain a MBD-coronary risk score as a screening algorithm.
METHODS: A 3-year prospective study was conducted on 168 non-diabetic HD patients, evaluating MBD biochemical parameters along with pulse wave velocity (PWV) determination and valve/coronary calcification assessment; coronary angiography was performed in symptomatic patients. Correlations between noninvasive parameters and the degree of coronary obstruction were assessed using IBM SPSS Statistics 20 software, Chi-square test and the determination of odds ratio.
RESULTS: Significant differences in serum calcium (p < 0.001), phosphates (p = 0.03), bicarbonate (p < 0.001), albumin and iPTH (p = 0.002), percentage of deviations from PWV normal values (p = 0.004), average doses of phosphate binders and vitamin D and the number of vascular/valve calcifications were noted between the study group (angina, n = 17) and control group (asymptomatic, n = 151). After applying MBD-coronary risk score in control group, coronary angiography was performed in high-score patients.
CONCLUSION: A noninvasive screening algorithm for early diagnosis of CAD in asymptomatic HD patients with altered MBD parameters is necessary. Applying MBD-coronary risk score might be an important step in the prevention of major coronary episodes by extending the indication for further investigations, early diagnosis and treatment management.
METHODS: A 3-year prospective study was conducted on 168 non-diabetic HD patients, evaluating MBD biochemical parameters along with pulse wave velocity (PWV) determination and valve/coronary calcification assessment; coronary angiography was performed in symptomatic patients. Correlations between noninvasive parameters and the degree of coronary obstruction were assessed using IBM SPSS Statistics 20 software, Chi-square test and the determination of odds ratio.
RESULTS: Significant differences in serum calcium (p < 0.001), phosphates (p = 0.03), bicarbonate (p < 0.001), albumin and iPTH (p = 0.002), percentage of deviations from PWV normal values (p = 0.004), average doses of phosphate binders and vitamin D and the number of vascular/valve calcifications were noted between the study group (angina, n = 17) and control group (asymptomatic, n = 151). After applying MBD-coronary risk score in control group, coronary angiography was performed in high-score patients.
CONCLUSION: A noninvasive screening algorithm for early diagnosis of CAD in asymptomatic HD patients with altered MBD parameters is necessary. Applying MBD-coronary risk score might be an important step in the prevention of major coronary episodes by extending the indication for further investigations, early diagnosis and treatment management.
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