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Dielectric response of erythrocyte in patients with Kaschin-Beck disease / 中华地方病学杂志
Chinese Journal of Endemiology ; (12): 481-484, 2015.
Article in Chinese | WPRIM | ID: wpr-480228
ABSTRACT
Objective To measure the erythrocyte dielectric response variation of patients with KaschinBeck disease,to explore the pathogenesis of Kaschin-Beck disease and seek more effective means for evaluating the effectiveness of early diagnosis and control measures against Kaschin-Beck disease.Methods According to the principle of dielectrophoresis and cell dielectric response phenomena,dielectrophoretic pool was manufactured and dielectrophoretic detection and separation system was established.Patients with Kaschin-Beck disease (438) were selected in Kaschin-Beck disease areas of Aba County,Sichuan.At the same time,healthy persons (480) in KaschinBeck disease areas and non-Kaschin-Beck disease areas in Aba County were selected.Anticoagulant blood samples from patients with Kaschin-Beck disease and healthy persons were collected,erythrocytes were separated,cell suspension (10s cells/ml) was prepared and 200 μl cell suspension was added to the dielectrophoretic pool to measure erythrocyte dielectric response rate.Results Erythrocyte dielectric response rates were significantly different between patients living in Kaschin-Beck disease areas with Kaschin-Beck disease [(75.87 ± 5.89)%] and healthy persons living in Kaschin-Beck disease areas and non-Kaschin-Beck disease areas [(92.43 ± 4.45)%,(92.81 ±5.01)%,F =1.843,P < 0.01).Erythrocyte dielectric response rate was significantly reduced in patients with Kaschin-Beck disease compared with that of healthy persons (all P < 0.01);erythrocyte dielectric response rate of adult patients with Kaschin-Beck disease was lower [(69.57 ± 6.87)%] than that of pediatric patients with Kaschin-Beck disease [(82.17 ± 4.91)%,P < 0.01].Erythrocyte dielectric response rates were significantly different in patients with different degrees of Kaschin-Beck disease (F =1.647,P < 0.01).Erythrocyte dielectric response rate of patients with Kaschin-Beck disease was negatively correlated with prevalence of the disease (r =-0.87,P < 0.01).Conclusions Erythrocytes of patients with Kaschin-Beck disease have some degree of pathological damage.The more severe the disease,the more serious the damage of red blood cell.The change of erythrocyte dielectric response properties may be used as an index to judge the prevalence of Kaschin-Beck disease and for early diagnosis.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Screening study Language: Chinese Journal: Chinese Journal of Endemiology Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Screening study Language: Chinese Journal: Chinese Journal of Endemiology Year: 2015 Type: Article