10-year cardiovascular disease risk and its contributing factors in primary hyperparathyroidism.
OBJECTIVE: Surgery indications for primary hyperparathyroidism (PHPT) mostly concern kidney and bone outcome, but not cardiovascular disease (CVD). Age less than 50 and eGFR less than 60 ml/min/1.73m2 are two surgery indications. This study aims to evaluate factors influencing the 10-year CVD risk in PHPT patients. METHOD: 159 PHPT patients diagnosed between January 2024 - March 2025 were enrolled. The relationships between biochemical and echocardiographic parameters with 10-year CVD risk score calculated by PREVENT™ were analyzed. Univariate, multivariate, logistic regression and receive operation curve (ROC) analysis were employed. RESULTS: 10-year CVD risk score was positively corelated with age (R2adjusted = 0.604, β = 0.541), systolic blood pressure (R2adjusted =0.149, β = 0.185), eGFR (R2adjusted =0.452, β=-0.252), triglyceride (R2adjusted =0.134, β = 3.629) with P < 0.001.These parameters together with smoking, diabetes and left ventricular end-diastolic diameter were responsible for 10-year CVD risk (R2adjusted =0.849, P < 0.001). Age and eGFR were the two strongest factors to discriminate moderate-to-high risk and low risk, with area under the curve 0.935 (95%CI 0.896–0.974) and 0.827 (95%CI 0.763–0.891), respectively. The optimal cutoffs to identify moderate-to-high CVD risk were age at 56.5 and eGFR at 98.5 ml/min/1.73m2, PHPT patients older or lower than these two thresholds had significantly higher CVD risk than their counterparts (P < 0.001). CONCLUSION: Age and eGFR were significant contributors to CVD risk in PHPT. Patients should be closely monitored and managed for dysregulated gluco-lipid metabolism. Less restrictive surgery indication for PHPT, such as age < 56, irrespective of renal function might be considered.