26 research outputs found

    β€œFor review and management”: The role of the referral letter in surgical consultations

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    Background: The referral letter serves a central role in the transfer of patients from referring doctors to specialist care in Australia. Aim: We analysed the form and function of referral letters and examined their role in surgical consultations to better understand the information in the letter and what impact that may or may not have on consultation openings. Methods: Thirteen referral letters and their associated recorded surgical consultations were analysed with an iterative, multi-methods qualitative approach. Using inductive and deductive linguistic methods, we considered clinical and paraclinical information as well as contextual factors in the letters’ alignment with referral guidelines as well as overall relevance to the consultation. Results: The analysis showed that surgeons tend to have a β€œset piece” when opening a consultation that is independent of the content or style of the referral. While referral letters fell short of guidelines, additional patient information was frequently discussed in the consultation. Discussion: Patients and surgeons are generally able to work around interactional challenges related to patient information. However, recognising the need to supplement referral information particularly around paraclinical information and contextual factors is important. Conclusions: Future changes to referral letter guidelines could reflect these realities

    BRAF V600E Mutations Are Common in Pleomorphic Xanthoastrocytoma: Diagnostic and Therapeutic Implications

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    Pleomorphic xanthoastrocytoma (PXA) is low-grade glial neoplasm principally affecting children and young adults. Approximately 40% of PXA are reported to recur within 10 years of primary resection. Upon recurrence, patients receive radiation therapy and conventional chemotherapeutics designed for high-grade gliomas. Genetic changes that can be targeted by selective therapeutics have not been extensively evaluated in PXA and ancillary diagnostic tests to help discriminate PXA from other pleomorphic and often more aggressive astrocytic malignancies are limited. In this study, we apply the SNaPshot multiplexed targeted sequencing platform in the analysis of brain tumors to interrogate 60 genetic loci that are frequently mutated in 15 cancer genes. In our analysis we detect BRAF V600E mutations in 12 of 20 (60%) WHO grade II PXA, in 1 of 6 (17%) PXA with anaplasia and in 1 glioblastoma arising in a PXA. Phospho-ERK was detected in all tumors independent of the BRAF mutation status. BRAF duplication was not detected in any of the PXA cases. BRAF V600E mutations were identified in only 2 of 71 (2.8%) glioblastoma (GBM) analyzed, including 1 of 9 (11.1%) giant cell GBM (gcGBM). The finding that BRAF V600E mutations are common in the majority of PXA has important therapeutic implications and may help in differentiating less aggressive PXAs from lethal gcGBMs and GBMs

    BRAF V600E Mutations Are Common in Pleomorphic Xanthoastrocytoma: Diagnostic and Therapeutic Implications

    Get PDF
    Pleomorphic xanthoastrocytoma (PXA) is low-grade glial neoplasm principally affecting children and young adults. Approximately 40% of PXA are reported to recur within 10 years of primary resection. Upon recurrence, patients receive radiation therapy and conventional chemotherapeutics designed for high-grade gliomas. Genetic changes that can be targeted by selective therapeutics have not been extensively evaluated in PXA and ancillary diagnostic tests to help discriminate PXA from other pleomorphic and often more aggressive astrocytic malignancies are limited. In this study, we apply the SNaPshot multiplexed targeted sequencing platform in the analysis of brain tumors to interrogate 60 genetic loci that are frequently mutated in 15 cancer genes. In our analysis we detect BRAF V600E mutations in 12 of 20 (60%) WHO grade II PXA, in 1 of 6 (17%) PXA with anaplasia and in 1 glioblastoma arising in a PXA. Phospho-ERK was detected in all tumors independent of the BRAF mutation status. BRAF duplication was not detected in any of the PXA cases. BRAF V600E mutations were identified in only 2 of 71 (2.8%) glioblastoma (GBM) analyzed, including 1 of 9 (11.1%) giant cell GBM (gcGBM). The finding that BRAF V600E mutations are common in the majority of PXA has important therapeutic implications and may help in differentiating less aggressive PXAs from lethal gcGBMs and GBMs

    Engineering the surgical imagination

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    1 page(s

    Working with registrars : a qualitative study of interns' perceptions and experiences

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    Objective: To identify and explore behavioural characteristics of registrars that interns find helpful in their working relationships and workplace learning. Design, setting and participants: Semistructured interviews with 18 interns at Nepean Hospital, Penrith, NSW, at the end of their first working year as doctors. The survey was conducted between December 2003 and February 2004. Main outcome measure: Desirable and undesirable behavioural characteristics in registrars, as reported by interns. Results: Overall, interns' opinions of registrars were positive. Desirable characteristics in registrars included approachability, availability, good communication skills, and a willingness to teach. Undesirable characteristics included an unwillingness to listen, unreasonably high expectations, a condescending attitude, apathy and rudeness. Conclusion: The behavioural characteristics of registrars that interns find helpful are identifiable, and there is significant room for improvement in the quality of clinical mentoring by registrars. The next step is to facilitate regular feedback from interns on registrars' performance, and to develop ways to encourage desirable behaviours in registrars while actively discouraging undesirable behaviours.3 page(s

    Towards a language of operative surgery

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    19 page(s

    Communication in surgical practice

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    This volume brings together a range of linguistic, sociological, and professional views on communication in surgical practice. It aims to provide an insight into the complexity of communication in surgery, covering the variety of communicative activities required in everyday surgical work.401 page(s

    Increasing pregnancy rates at first service in dairy cows exposed to high ambient temperatures before and after calving

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    Cows exposed to heat stress before or after calving or both are prone to reduced fertility because of reduced expression of estrus and less embryonic survival if pregnant. Cows calving on three dairy farms during the summer of 1998 were studied. First inseminations were programmed to occur between 50 and 70 days in milk using the Ovsynch protocol, which included a timed artificial insemination. Control cows were treated similarly but did not receive the second injection of gonadotropin-releasing hormone and were inseminated only after estrus was detected (Select Synch). The Ovsynch protocol increased pregnancy rates from 17.6 to 31.3%, because AI submission rates were 100% and conception rates were not different from those of control (Select Synch) cows
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