Why the study?
Coronary heart disease causes significant morbidity and mortality in postmenopausal women, and serum phosphorus is linked to carotid intima-media thickness.
In asymptomatic postmenopausal women, higher serum phosphorus levels within the normal range are independently associated with increased carotid intima-media thickness, suggesting a potential role as a marker for subclinical atherosclerosis.
Serum phosphorus was associated with carotid intima-media thickness; hypothesis-generating for phosphorus as a postmenopausal CVD risk marker.
OBJECTIVE: Serum phosphorous is a significant risk factor for increased carotid intima-media thickness. Increased thickness of the carotid intima is a known cause of cardiovascular disease. Coronary heart disease is a significant cause of mortality and morbidity in postmenopausal women. This study aimed to compare the relationship between serum phosphorous concentration and carotid intima-media thickness in healthy asymptomatic postmenopausal women. METHODS: A retrospective review of the medical records from a health checkup center in Gangnam Severance hospital between March 2007 and September 2017 was conducted. We examined asymptomatic postmenopausal female patients with age range between 56 and 66 (N = 361) who underwent measurement of carotid intima-media thickness by B-mode ultrasonography. The physiological variables analyzed included mean blood pressure, body mass index, renal function (serum creatinine and estimated glomerular filtration rate), cholesterol levels (total cholesterol, triglyceride, and high- and low-density lipoprotein), serum phosphorous, calcium, electrolytes, diabetic status, hypertension, and albumin. RESULTS: Pearson correlation test showed that carotid intima-media thickness was significantly associated with age (r = 0.192, P < 0.001), mean blood pressure (r = 0.116, P = 0.029), diastolic blood pressure (r = 0.146, P = 0.029), serum phosphorous (r = 0.134, P = 0.012), and lactate dehydrogenase (r = 0.106, P = 0.047). On the basis of age-adjusted multivariate linear regression analysis, carotid intima-media thickness was significantly correlated with serum phosphorous levels (β = 0.273, P = 0.022) in asymptomatic menopausal women. Increased carotid intima-media thickness (cut-off 1.5 mm) was detected, although serum phosphorous was within the normal range (2.8-4.5 mg/dL). CONCLUSIONS: Serum phosphorus concentration is significantly associated with carotid intima-media thickness in asymptomatic menopausal women.
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Kim et al. (2020) studied this question.
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