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find Author "WANGXiao-hu" 3 results
  • Efficacy and Safety of Hypofractionation Radiotherapy versus Conventional Whole Breast Radiotherapy for Early Stage Breast Cancer after Breast Conserving Surgery: A Systematic Review

    ObjectiveTo systematically evaluate the efficacy, cosmetic outcome and adverse reaction of hypofractionation radiotherapy (HRT) versus conventional radiotherapy (CRT) for early stage breast cancer after breast conserving surgery. MethodsThe databases including CNKI, CBM, VIP, PubMed, EMbase and The Cochrane Library (Issue 1, 2015) were searched from the inception to May 2015 to collect the randomized controlled trials (RCTs) related to HRT versus CRT for early stage breast cancer after breast conserving surgery. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies. Then, meta-analysis was performed using RevMan 5.2 software. ResultsSix RCTs involving 8 240 patients were included. Meta-analyses results showed, there were no statistical differences between the HRT group and the CRT group in local-regional recurrence rate (5 year: RR=1.01, 95%CI 0.73 to 1.40, P=0.94; 10 year: RR=1.04, 95%CI 0.86 to 1.26, P=0.67), mortality (5 year: RR=0.95, 95%CI 0.85 to 1.08, P=0.45; 10 year: RR=0.97, 95%CI 0.86 o 1.09, P=0.61), photographic breast appearance (RR=0.98, 95%CI 0.91 to 1.05, P=0.56), the incidence of lung fibrosis (5 year: RR=1.07, 95%CI 0.66 to 1.72, P=0.78; 10 year: RR=1.05, 95%CI 0.62 to 1.77, P=0.86), the incidence of rib fracture (5 year: RR=1.00, 95%CI 0.60 to 1.68, P=0.99; 10 year: RR=1.19, 95%CI 0.70 to 2.00, P=0.52), and the incidence of ischemic of heart (5 year: RR=0.88, 95%CI 0.54 to 1.45, P=0.62; 10 year: RR=0.86, 95%CI 0.54 to 1.37, P=0.53). ConclusionHRT could provide similar tumor control as CRT without serious toxicity. Meanwhile HRT is superior to CRT in terms of patient convenience and costs, it should be promoted as adjuvant treatment for early stage breast cancer after breast conserving surgery.

    Release date:2016-10-02 04:54 Export PDF Favorites Scan
  • The Study of MRI in Brain Development and External Hydrocephalus of Neonates and Infants

    ObjectiveTo measure the ventricular size and extracerebral space of normal neonates and infants, and discuss the diagnostic criteria of MRI in external hydrocephalus. MethodsNeonates and infants suspected to have brain diseases treated in our hospital from January 2009 to January 2013 were selected, and through strict inclusion and exclusion, 671 neonates and infants within 3 years of age and without neural system disease were included in our study. They were divided into 9 age groups. The ventricular size was measured on T1WI, that was bifrontal index, bibody index and the ratio of ventricle and cranial cavity diameter (VT/ST). And the width of extracerebral space, intercerebral fissure and sylvian fissure were measured on T2WI. A total of 149 neonates and infants with external hydrocephalus underwent the same measurement, and the changes in external hydrocephalus were dynamically observed. ResultsVentricular volume increased gradually with age, but the bifrontal index[(0.32±0.05) mm] and the ratio of VT/ST (14.09%±1.56%) were relatively constant. The extracerebral space widened with age during 0-6 months, after which it began to narrow, and the age of 3-6 months was the turning point for this trend. The frontal subarachnoid, intercerebral fissure, and sylvian fissure of infants with external hydrocephalus were wider than standard values of the corresponding age group, and the ratio of VT/ST was less than 15%. ConclusionThe standard values of ventricular size and extracerebral space of each age group provide the basis for the evaluation of brain development. Among them, the bifrontal index and the ratio of VT/ST are reliable indicators to determine the ventricular size. Subarachnoid depth, intercerebral fissure, and the ratio of VT/ST play an important role in the diagnosis of EH. But for secondary external hydrocephalus, early treatment should be carried out.

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  • MammoSite Balloon Brachytherapy for Accelerated Partial Breast Irradiation Following Breast-conserving Surgery for Patients with Early Stage Breast Cancer: A Single Arm Meta-analysis

    ObjectiveTo assess the cosmetic outcomes and adverse events of MammoSite balloon brachytherapy for Accelerated Partial Breast Irradiation following breast-conserving surgery for patients with early stage breast cancer. MethodsWe searched PubMed, EMbase, Chinese Biomedical Database, Chinese Studies Online, China Journal Full-text Database up to March 2016, to collect clinical trials about MammoSite balloon brachytherapy following breast-conserving surgery for early stage breast cancer. And meta-analyses were performed by OpenMeta and Stata softwares. ResultsTwenty trials involving 3 796 patients were enrolled. The single arm meta-analysis results showed that:the cosmetic results were rated as excellent to good in 93% (95%CI 0.91 to 0.96), and the 5-year incidence of ipsilateral breast tumor recurrence (IBTR) was 3% (95%CI 0.020 to 0.040). ConclusionTo carry out the conclusion above, we still need controlled trials, especially randomized controlled trials (RCTs) to prompt further verification.

    Release date:2016-11-22 01:14 Export PDF Favorites Scan
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