More rigorous study designs and the use of objective outcome measures are needed to ascertain the true effectiveness of RaT programmes. Future research should focus on determining the impact of RaT programmes on learning achievement at the level of medical students.
IntroductionInternational interest in peer-teaching and peer-assisted learning (PAL) during undergraduate medical programs has grown in recent years, reflected both in literature and in practice. There, remains however, a distinct lack of objective clarity and consensus on the true effectiveness of peer-teaching and its short- and long-term impacts on learning outcomes and clinical practice.ObjectiveTo summarize and critically appraise evidence presented on peer-teaching effectiveness and its impact on objective learning outcomes of medical students.MethodA literature search was conducted in four electronic databases. Titles and abstracts were screened and selection was based on strict eligibility criteria after examining full-texts. Two reviewers used a standard review and analysis framework to independently extract data from each study. Discrepancies in opinions were resolved by discussion in consultation with other reviewers. Adapted models of “Kirkpatrick’s Levels of Learning” were used to grade the impact size of study outcomes.ResultsFrom 127 potential titles, 41 were obtained as full-texts, and 19 selected after close examination and group deliberation. Fifteen studies focused on student-learner outcomes and four on student-teacher learning outcomes. Ten studies utilized randomized allocation and the majority of study participants were self-selected volunteers. Written examinations and observed clinical evaluations were common study outcome assessments. Eleven studies provided student-teachers with formal teacher training. Overall, results suggest that peer-teaching, in highly selective contexts, achieves short-term learner outcomes that are comparable with those produced by faculty-based teaching. Furthermore, peer-teaching has beneficial effects on student-teacher learning outcomes.ConclusionsPeer-teaching in undergraduate medical programs is comparable to conventional teaching when utilized in selected contexts. There is evidence to suggest that participating student-teachers benefit academically and professionally. Long-term effects of peer-teaching during medical school remain poorly understood and future research should aim to address this.
Background: Goal-directed fluid therapy (GDFT) has been compared with liberal fluid administration in non-optimized perioperative settings. It is not known whether GDFT is of value within an enhanced recovery protocol incorporating fluid restriction. This study evaluated GDFT under these circumstances in patients undergoing elective colectomy. Results: Eighty-five patients were randomized, and there were 37 patients in each group for analysis. Nine patients in the GDFT and four in the fluid restriction group received oral bowel preparation for either anterior resection (12) or subtotal colectomy (1). Patients in the GDFT group received more colloid during surgery (mean 591 versus 297 ml; P = 0·012) and had superior cardiac indices (mean corrected flow time 374 versus 355 ms; P = 0·018). However, no differences were observed between the GDFT and fluid restriction groups with regard to surgical recovery (mean SRS after 7 days 47 versus 46 respectively; P = 0·853), other secondary outcomes (mean aldosterone/renin ratio 9 versus 8; P = 0·898), total postoperative fluid (median 3750 versus 2400 ml; P = 0·604), length of hospital stay (median 6 versus 5 days; P = 0·570) or number of patients with complications (26 versus 27; P = 1·000). Conclusion:GDFT did not provide clinical benefit in patients undergoing elective colectomy within a protocol incorporating fluid restriction. Registration number: NCT00911391 (http://www.clinicaltrials.gov).
A systematic review was conducted to determine the relationship between academic assessment and medical student psychological distress with the aim of informing assessment practices. A systematic literature search of six electronic databases (Medline, Medline IN PROCESS, PubMed, EMBASE, Psychinfo, ERIC) from 1991 to May 2014 was completed. Articles focusing on academic assessment and its relation to stress or anxiety of medical students were included. From 3,986 potential titles, 82 full-text articles were assessed for eligibility, and 23 studies met review inclusion criteria. Studies focused on assessment stress or anxiety, and assessment performance. Consistent among the studies was the finding that assessment invokes stress or anxiety, perhaps more so for female medical students. A relationship may exist between assessment stress or anxiety and impaired performance. Significant risks of bias were common in study methodologies. There is evidence to suggest academic assessment is associated with psychological distress among medical students. However, differences in the types of measures used by researchers limited our ability to draw conclusions about which methods of assessment invoke greater distress. More rigorous study designs and the use of standardized measures are required. Future research should consider differences in students’ perceived significance of assessments, the psychological effects of constant exposure to assessment, and the role of assessment in preparing students for clinical practice.
BackgroundThe aim of this study was to identify burnout and quality of life profiles of medical students and determine their associations with academic motivation and achievement on progress tests using a person-oriented approach.MethodsMedical students (n = 670) in Year 3 to Year 5 at the University of Auckland were classified into three different profiles as derived from a two-step cluster analysis using World Health Organization Quality of Life-BREF scores and Copenhagen Burnout Inventory scores. The profiles were used as independent variables to assess differences in academic motivation and achievement on progress tests using a multivariate analysis of co-variance and repeated measures analysis of co-variance methods.ResultsThe response rate was 47%. Three clusters were obtained: Higher Burnout Lower Quality of Life (n = 62, 20%), Moderate Burnout Moderate Quality of Life (n = 131, 41%), and Lower Burnout Higher Quality of Life (n = 124, 39%). After controlling for gender and year level, Higher Burnout Lower Quality of Life students had significantly higher test anxiety (p < 0.0001) and amotivation scores (p < 0.0001); and lower intrinsic motivation (p < 0.005), self-efficacy (p < 0.001), and progress test scores (p = 0.03) compared with the other profiles.ConclusionBurnout and Quality of Life profiles of medical students are associated with differences in academic motivation and achievement over time.
There has been no systematic appraisal of ethnicity-based variations in breast cancer (BC) biology amongst women from developing countries. A qualitative systematic review was conducted of breast cancer size, stage, grade, histological type, extra-mammary involvement, hormone receptor status as well as patient demographics. This review includes patients from Africa, the Middle East, Eastern Europe, Mexico, the Caribbean and South America. BC in these regions present at an earlier age with large aggressive tumours. Distant metastases are frequently present at the time of diagnosis. African women have a higher frequency of triple negative tumours. Over half of Middle Eastern women have lymph node involvement at the time of diagnosis. Despite experiencing a lower incidence compared to the Ashkenazi Jewish population, Palestinian women have poorer five-year survival outcomes. The majority of women from Mexico and South America have stage two or three disease whilst over sixty percent of women from Eastern Europe have either stage one or stage two disease. The biological characteristics of BC in the Caribbean cannot be fully assessed due to a paucity of data from the region. BC amongst the developing world is characterised by an early peak age of onset with aggressive biological characteristics. Strategies that improve breast cancer awareness, address amenable risk factors and improve early detection are essential.
Preoperative administration of GCs decreases complications and LOS after major abdominal surgery as a likely consequence of attenuating the postsurgical inflammatory response. There is no evidence of increased complications in colorectal surgery.
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