European journal of internal medicine · 2016
Red cell distribution width and the risk of cerebral vein thrombosis: A case-control study.
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Maino Alberto, Abbattista Maria, Bucciarelli Paolo, Artoni Andrea, Passamonti Serena M, Lanfranconi Silvia, Martinelli Ida
Аннотация
BACKGROUND: Red cell distribution width (RDW) is a marker of cardiovascular diseases and venous thromboembolism, but its role in cerebral vein thrombosis (CVT) is unknown.
AIMS: To investigate whether high values of RDW are associated with an increased risk of CVT.
METHODS: A case-control study of CVT patients (≥18years-old) referred to our center contrasted with healthy individuals. Odds ratios (ORs) were calculated for RDW values >90th percentile by multivariable logistic regression and adjusted for demographic characteristics, hemorheological parameters, renal function, fibrinogen and CRP. Quartiles based on the distribution of RDW values were used in an additional model to assess a dose-response relationship. The risk of CVT associated with the combined presence of high RDW and either thrombophilia abnormalities or oral contraceptive use was also estimated.
RESULTS: 143 cases (median age 36years, 18-79) and 352 controls (42years, 18-80) were investigated. RDW values >90th percentile (>14.6%) were associated with an increased risk of CVT (OR 2.44, 95% CI 1.39-4.28). The association remained after further adjustment for hemorheological parameters (OR 3.73, 95% CI 1.72-8.09), inflammatory markers (OR 3.77, 95% CI 1.72-8.25) and renal function (OR 3.62, 95% CI 1.53-8.55). The risk appeared restricted to these extreme levels (>14.6%), as there was no graded association between values of RDW and CVT risk over quartiles. There was a synergistic effect on the risk of CVT for the combination of high RDW and thrombophilia abnormalities (OR 33.20, 95% CI 6.95-158.55) or oral contraceptive use (OR 37.99, 95% CI 8.78-164.45).
CONCLUSIONS: Values of RDW >90th percentile are associated with CVT.
AIMS: To investigate whether high values of RDW are associated with an increased risk of CVT.
METHODS: A case-control study of CVT patients (≥18years-old) referred to our center contrasted with healthy individuals. Odds ratios (ORs) were calculated for RDW values >90th percentile by multivariable logistic regression and adjusted for demographic characteristics, hemorheological parameters, renal function, fibrinogen and CRP. Quartiles based on the distribution of RDW values were used in an additional model to assess a dose-response relationship. The risk of CVT associated with the combined presence of high RDW and either thrombophilia abnormalities or oral contraceptive use was also estimated.
RESULTS: 143 cases (median age 36years, 18-79) and 352 controls (42years, 18-80) were investigated. RDW values >90th percentile (>14.6%) were associated with an increased risk of CVT (OR 2.44, 95% CI 1.39-4.28). The association remained after further adjustment for hemorheological parameters (OR 3.73, 95% CI 1.72-8.09), inflammatory markers (OR 3.77, 95% CI 1.72-8.25) and renal function (OR 3.62, 95% CI 1.53-8.55). The risk appeared restricted to these extreme levels (>14.6%), as there was no graded association between values of RDW and CVT risk over quartiles. There was a synergistic effect on the risk of CVT for the combination of high RDW and thrombophilia abnormalities (OR 33.20, 95% CI 6.95-158.55) or oral contraceptive use (OR 37.99, 95% CI 8.78-164.45).
CONCLUSIONS: Values of RDW >90th percentile are associated with CVT.