Guoping Liao

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OBJECTIVE To optimize the ultrahigh pressure extraction (UPE) process of polydatin and resveratrol from Polygonum cuspidatum by using uniform design. METHOD On the basis of single factor screening, the uniform design was adopted for getting the optimal technique parameters. The optimum result of UPE was compared with conventional extractions. RESULT The(More)
Xu et al. [1] conducted a meta-analysis to compare the results of surgery via an anterior approach and that via a posterior approach for the treatment of thoracolumbar burst fractures. They calculated the pooled risk difference (RD) and mean difference (MD) using different effects models and concluded that the posterior approach may be more effective than(More)
We read with great interest on the recent paper by Liu Y et al. “Effect of c-erbB2 overexpression on prognosis in osteosarcoma: evidence from eight studies” published online in Tumor Biology (Tumor Biol 5(9):8939-43, 2014). The investigators (Liu Y et al.) performed a meta-analysis to study the relationship between c-erbB2 expression and prognostic impact(More)
Dear Editor, Recently, we read with great interest the article by Chen et al. [1] entitled “Patellar resurfacing versus nonresurfacing in total knee arthroplasty: a meta-analysis of randomised controlled trials” published in March 2013 in International Orthopaedics. Chen et al. performed a meta-analysis to make an estimation of patellar resurfacing versus(More)
Li et al. [1] conducted a meta-analysis to assess the effectiveness and safety of tranexamic acid (TXA) in reducing blood loss and transfusion in spinal surgery. They calculated the pooled risk ratio (RR) or mean difference (MD) with 95 % confidence intervals (95 % CIs) using different effect models and concluded that intravenous use of TXA for patients(More)
Dear Editor, We read with great interest the recent paper “Comparison of artificial total disc replacement versus fusion for lumbar degenerative disc disease: a meta-analysis of randomized controlled trials” published online in the May 2013 issue of International Orthopaedics by Wei et al. [1]. The authors performed a meta-analysis of six randomized(More)
Dear Editor, We read with great interest the recent article entitled “Operative versus non-operative treatment for clavicle fracture: a meta-analysis” published online in May 2013 issue of International Orthopaedics by Liu et al. [1]. The authors performed a meta-analysis to evaluate operative versus non-operative treatment for clavicle fractures. They(More)
To the Editor, In a recent issue of European Spine Journal, X. Liu et al. published an article [1] entitled ‘‘Anterior corpectomy versus posterior laminoplasty for multilevel cervical myelopathy: a systematic review and meta-analysis’’. In their study, they performed a meta-analysis to compare anterior CORP with posterior LAMP for patients with multilevel(More)
In this meta-analysis, Ding et al. [1] compared the clinical results between unilateral and bilateral pedicle screw (PS) fixation in lumbar interbody fusion. They reached an important conclusion that unilateral PS fixation produced better results in operative time and blood loss in lumbar fusion, while no significant difference was found in hospital time,(More)
OBJECTIVE To investigate the effect of Qingkailing injection (QKLI) on complement and RBL-2 H3 cells in virto. METHOD The mixture of human serums and QKLI were incubated for 30 min in vitro and then the content of SC5 b-9 in the mixture was determined by ELISA. RBL-2 H3 cells were cultured and treated by QKLI. Beta-heosaminidase release rate was measured(More)
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