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China Journal of Orthopaedics and Traumatology ; (12): 400-405, 2021.
Article in Chinese | WPRIM | ID: wpr-879453

ABSTRACT

OBJECTIVE@#To explore clinical effect of locking plate external fixation combined with membrane induction technology in treating open and comminuted tibial fractures with bone defects.@*METHODS@#Totally 92 patients of open and comminuted tibial fractures with bone defects were chosen form January 2018 to July 2019, and randomly divided into external fixation group and internal fixation group, 46 patients in each group. In external fixation group, there were 29 males and 17 females, aged from 25 to 62 years old, with an average of (37.45±10.92) years old;according to AO classification, 15 patients were type A, 22 patients were type B and 9 patients were type C;according to Gustilo classification, 21 patients were typeⅡ, 10 patients were type ⅢA, 10 patients were type ⅢB, 5 patients were type Ⅲ C;treated by fracture reduction with locking plate external fixation. In internal fixation group, there were 31 males and 15 females, aged from 23 to 60 years old, with an average of(36.88±10.64) years old;according to AO classification, 18 patients were type A, 20 patients were type B and 8 patients were type C; according to Gustilo classification, 22 patients were typeⅡ, 11 patients were type ⅢA, 7 patients were type ⅢB, 6 patients were type Ⅲ C;treated by traditional open reduction with plate internal fixation. Operation time, intraoperative blood loss, incision length, hospital stay, fracture healing time and lower limb full weight-bearing time and postoperative complications between two groups were observed and compared, bone mineral density, osteocalcin, blood calcium and phosphorus before operation and 1 month after operation.@*RESULTS@#All patients were followed up from 12 to 18 months with an average of (14.92±2.46) months. Operation time, intraoperative blood loss, incision length, hospital stay, fracture healing time and lower limb full weight-bearing time of external fixation group were significantly better than that of internal fixation group(@*CONCLUSION@#Locking plate external fixation combined with membrane induction technology in treating open and comminuted tibial fractures with severe post-traumatic bone defects has advantages of less trauma, reliable fixation, shorter fracture healing time, and could improve bone metabolic activity with less postoperative complications.


Subject(s)
Adult , Female , Humans , Male , Middle Aged , Young Adult , Bone Plates , External Fixators , Fracture Fixation , Fracture Fixation, Internal , Fractures, Comminuted/surgery , Technology , Tibial Fractures/surgery , Treatment Outcome
2.
Chinese Journal of Pathology ; (12): 109-113, 2008.
Article in Chinese | WPRIM | ID: wpr-349963

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the expression of a novel metastasis-inducing protein human anterior gradient-2 (AGR2) in breast cancer and its clinical and prognostic significance.</p><p><b>METHODS</b>AGR2 expression was assessed in 160 cases of breast cancer and 20 cases of benign breast diseases by immunohistochemistry using tissue chip technology. In addition the expression of ERa, PR and c-erbB-2 in breast cancer was also evaluated. Follow-up information of 5-year duration was available in 127 patients with breast cancer. Kaplan-Meier analysis and COX regression model were used to analyze the correlation between AGR2 expression and the follow-up clinical data.</p><p><b>RESULTS</b>The expression of AGR2 was significantly higher in breast cancers than that in benign diseases (68.3% vs. 25.0% , P < 0.01). There was a negative correlation between AGR2 expression and the histological grade of breast cancer (P <0.05) , whereas positive correlations was found between the expression of AGR2 and ERalpha (P <0.05), and between the expression of AGR2 and PR (P <0.01). In the subgroup of ERalpha-positive breast cancer, Logistic regression model demonstrated AGR2 and TNM stage were important factors affecting lymph node metastasis (both P < 0.01). Kaplan-Meier analysis demonstrated that a positive expression of AGR2 was associated with poor overall survival and relapse-free survival (both P <0.01). Moreover, COX regression model confirmed the expression of AGR2 as an independent prognostic factor among patients with ERa-positive breast cancer (P <0.01).</p><p><b>CONCLUSIONS</b>The abnormal expression of AGR2 may play a role in the pathogenesis and progression of breast cancer. The metastasis-inducing capability of AGR2 may be partly regulated through the ER pathway. Therefore, AGR2 may be a useful molecular marker for prognostication for patient with hormone-responsive breast cancer.</p>


Subject(s)
Female , Humans , Antineoplastic Agents, Hormonal , BRCA2 Protein , Genetics , Metabolism , Biomarkers, Tumor , Breast Neoplasms , Diagnosis , Genetics , Metabolism , Estrogen Receptor alpha , Metabolism , Gene Expression Regulation, Neoplastic , Genetics , Immunohistochemistry , Neoplasm Metastasis , Diagnosis , Neoplasm Staging , Prognosis , Proteins , Genetics , Metabolism , Receptor, ErbB-2 , Metabolism
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