نتایج جستجو برای: retrospective clinical studies
تعداد نتایج: 2488029 فیلتر نتایج به سال:
OBJECTIVE To determine whether a cluster of eight cancers among 572 women who had received transcervical quinacrine hydrochloride was a random occurrence or evidence of an increased risk of cancer. DESIGN Retrospective cohort study using interviews and reviews of medical records. Cancer cases were evaluated using cohort analyses and space-time cluster methods. SETTING Santiago and Valdivia,...
OBJECTIVES We aimed to determine the demographic characteristics of giant cell tumor around the knee in China. METHODS Between March 2000 and June 2014, patients with primary giant cell tumor around the knee were recruited from 6 institutions located in different regions of China, and were reviewed retrospectively the clinical features according to gender and age. RESULTS 334 qualified pati...
OBJECTIVE The primary aims of this retrospective study were to describe the burden of injury presenting to the medical team and the changes in injury profile over 10 years (2003-2012) at The Championships, Wimbledon. Secondary aims included description of gender difference in rates, distribution and pathology of injuries. DESIGN Retrospective observational cohort of player injury presentation...
PURPOSE Internet-based patient portals are increasingly being implemented throughout health care organizations to enhance health and optimize communication between patients and health professionals. The decision to adopt a patient portal requires careful examination of the advantages and disadvantages of implementation. This study aims to investigate 1 proposed advantage of implementation: alle...
BACKGROUND The optimal timing to initiate bevacizumab (BV) therapy for recurrent glioblastoma (GBM) is currently unclear. To address this issue, we examined progression-free survival (PFS) and survival time (ST) in a large retrospective cohort of GBM patients treated with BV at different recurrences. METHODS We identified 468 primary GBM patients who underwent biopsy or surgery followed by ra...
A retrospective study of breastfeeding patterns in a socioeconomically homogeneous sample of 2520 mothers visiting Mexican outpatient clinics was conducted. During May and June 1975, mothers attending the outpatient departments of 4 clinics of the Mexican Social Security Institute (IMSS) were interviewed. The mothers ranged in age from 15 to 48 years. In 56.1% of the cases, the child's fathe...
technology has affected all aspects of our lives, but it seems that it does not penetrate to clinical research centers as much as other fields. for example, technology could be used to promote the quality of “retrospective” studies as much as it become near to the “prospective” studies. orthopedics research centers, especially “hand and upper extremity services” are a good place to start. whe...
BACKGROUND Effectiveness of a drug is a key concept dependent on efficacy, safety, and tolerability. Time to discontinuation of treatment is also representative of effectiveness. We investigated differences in treatment discontinuation among newly started second-generation antipsychotics in the clinical setting. METHODS Using a retrospective cohort study design, we screened all outpatients (n...
BACKGROUND The aim of this study was to evaluate the incidence, indications, and predictive factors of hospital readmission after open ventral hernia repair. METHODS A retrospective review of all open ventral hernia repairs at a single institution from 2000 to 2010 was performed to assess readmissions between 1 to 30, 1 to 90, and 91 to 365 days. Multivariate analysis was performed to identif...
Hemoglobinopathies, in particular sickle cell disease, is the most prevalent group of genetically transmitted diseases in the Brazilian population and should thus be treated as a public health problem. Many of these patients frequently present with complications and require emergency care at the blood bank Coordinator in Rio de Janeiro. This study was developed with the aim of characterizing th...
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