Arquivos brasileiros de cardiologia · 2011
Association of ankle-arm index with inflammation and mineral bone disorder in hemodialysis patients.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Miguel Jair B, Strogoff de Matos Jorge P, Ruzany Frederico, Miguel Claudia S, Miguel Sebastião J S, Naveiro Luiz T, Lugon Jocemir R
Аннотация
BACKGROUND: Reduced ankle-arm index (AAI), inflammation and mineral bone disorder (MBD) are all associated with increased risk of death and cardiovascular complications in patients on hemodialysis (HD), but the association between them deserves clarification.
OBJECTIVE: To evaluate the association between abnormal AAI with MBD and inflammation in patients on HD.
METHODS: This was a cross-sectional analysis of 478 patients on hemodialysis for at least one year. The AAI was evaluated using a portable Doppler and mercury column manometer. Patients were divided into 3 groups, according to AAI (low: <0.9, normal: 0.9 to 1.3, and high: >1.3). C-reactive protein measurement was used as an inflammatory marker, whereas MBD was evaluated by calcium, phosphorus and intact parathyroid hormone levels.
RESULTS: Participants were 54 (18 to 75) years old, 56% males, 17% diabetics, and had been on hemodialysis for a mean of 5 (1 to 35) years. The prevalence of low, normal and high AAI was 26.8%, 64.6% and 8.6%, respectively. Using a backward conditional logistic regression model, age (p<0.001), diabetes (p= 0.001), and C-reactive protein levels >6 mg/L (p= 0.006) were associated with the presence of low AAI, whereas male gender (p<0.001), diabetes (p= 0.001) and elevated calcium x phosphorus product (p= 0.026) were associated with high AAI.
CONCLUSION: In patients on hemodialysis, the presence of diabetes was associated with both low and high AAI. The risk of having low AAI seems to be increased by aging and inflammation, whereas BMD was associated with high AAI.
OBJECTIVE: To evaluate the association between abnormal AAI with MBD and inflammation in patients on HD.
METHODS: This was a cross-sectional analysis of 478 patients on hemodialysis for at least one year. The AAI was evaluated using a portable Doppler and mercury column manometer. Patients were divided into 3 groups, according to AAI (low: <0.9, normal: 0.9 to 1.3, and high: >1.3). C-reactive protein measurement was used as an inflammatory marker, whereas MBD was evaluated by calcium, phosphorus and intact parathyroid hormone levels.
RESULTS: Participants were 54 (18 to 75) years old, 56% males, 17% diabetics, and had been on hemodialysis for a mean of 5 (1 to 35) years. The prevalence of low, normal and high AAI was 26.8%, 64.6% and 8.6%, respectively. Using a backward conditional logistic regression model, age (p<0.001), diabetes (p= 0.001), and C-reactive protein levels >6 mg/L (p= 0.006) were associated with the presence of low AAI, whereas male gender (p<0.001), diabetes (p= 0.001) and elevated calcium x phosphorus product (p= 0.026) were associated with high AAI.
CONCLUSION: In patients on hemodialysis, the presence of diabetes was associated with both low and high AAI. The risk of having low AAI seems to be increased by aging and inflammation, whereas BMD was associated with high AAI.