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The Effect of Pedagogical Approach on Physical Activity of Girls During Physical Education. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2024:1-10. [PMID: 38771866 DOI: 10.1080/02701367.2024.2329165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 03/04/2024] [Indexed: 05/23/2024]
Abstract
Purpose: Technical approaches (TAs) such as Direct Instruction are commonly utilized when teaching games in Physical Education (PE) classes, but game-based approaches (GBAs) such as Game Sense (GS) have gained greater interest over the past 30 years. However, little is known about which approach promotes more physical activity (PA). The aim of this study was to compare the PA of girls during single-gender PE classes in an invasion games unit utilizing either a GS approach or a TA. Methods: Two upper primary school PE classes were taught invasion games using a GS approach and two classes were taught using a TA. During each of the 7 lessons students wore a wearable GPS sensor (SPT2, Sport Performance Tracking, Australia) which measured total distance, distance in each speed zone, top speed and 3D load. Results: The GS group traveled a greater distance than the TA group (+203 m, p < .001). This result was explained mostly by a greater distance covered in zone 2 speeds (0.6-1.7 m/s). The 3D load was also significantly higher in the GS group, but there were no group differences in top speed. Conclusions: Findings suggested that a GS thematic invasion unit was more effective in promoting PA levels in all-girl primary PE classes than a traditional sport-based invasion unit.
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Clinical standards for drug-susceptible TB in children and adolescents. Int J Tuberc Lung Dis 2023; 27:584-598. [PMID: 37491754 PMCID: PMC10365562 DOI: 10.5588/ijtld.23.0085] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 02/27/2023] [Indexed: 07/27/2023] Open
Abstract
BACKGROUND: These clinical standards aim to provide guidance for diagnosis, treatment, and management of drug-susceptible TB in children and adolescents.METHODS: Fifty-two global experts in paediatric TB participated in a Delphi consensus process. After eight rounds of revisions, 51/52 (98%) participants endorsed the final document.RESULTS: Eight standards were identified: Standard 1, Age and developmental stage are critical considerations in the assessment and management of TB; Standard 2, Children and adolescents with symptoms and signs of TB disease should undergo prompt evaluation, and diagnosis and treatment initiation should not depend on microbiological confirmation; Standard 3, Treatment initiation is particularly urgent in children and adolescents with presumptive TB meningitis and disseminated (miliary) TB; Standard 4, Children and adolescents should be treated with an appropriate weight-based regimen; Standard 5, Treating TB infection (TBI) is important to prevent disease; Standard 6, Children and adolescents should receive home-based/community-based treatment support whenever possible; Standard 7, Children, adolescents, and their families should be provided age-appropriate support to optimise engagement in care and clinical outcomes; and Standard 8, Case reporting and contact tracing should be conducted for each child and adolescent.CONCLUSION: These consensus-based clinical standards, which should be adapted to local contexts, will improve the care of children and adolescents affected by TB.
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Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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078 Bruns syndrome – broadening the phenotype. J Neurol Psychiatry 2022. [DOI: 10.1136/jnnp-2022-abn2.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
We present a 50-year-old lady with 6-months’ history of episodes of feeling weak with legs giving way triggered by sudden change of position or head-turning and no loss of consciousness. She had left tinnitus for years and one year worsening migraines with fortification spectra, visual blurring, and vertigo. ENT made a diagnosis of vestibular migraines.Her neurological examination was normal and attempted provocation of attacks with sudden changes in position and Dix-Hallpike was unsuccessful. Brain MRI revealed a large lesion obstructing foramina of Luschka-Magendie giving rise to obstructive hydrocephalus.Neuro-ophthalmology review showed bilateral papilledema and no evidence of Parinaud’s syndrome (no convergence retraction nystagmus or tectal pupils). Tumour biomarkers (bHCG-AFP-AlkPh-LDH) and body CT scan were normal. She underwent urgent CSF diversion. MDTs confirmed radiological diagnosis of epidermoid cyst awaiting debulking.Episodic headaches/vertigo with head-turning are described in Bruns syndrome manifesting as abrupt headaches, vertigo, vomiting provoked by changes in head position due to intermittent obstructive hydrocephalous (mass lesion and ball-valve mechanism). We propose patient’s acute episodes of lower limb weakness were similar phenomenon highlighting importance of imaging in stereotypical attacks after triggers.
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972 Communication During the Pandemic. Br J Surg 2022. [PMCID: PMC9452092 DOI: 10.1093/bjs/znac269.252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Aim Since the COVID-19 pandemic facemasks have become compulsory in UK hospitals impacting on the visual and vocal (93%) aspects of communication. This QIP looks at the difference a clear mask made to patients. Method ClearmaskTM was used in place of a surgical mask and patients were asked to rate the difference on a likert scale. 100 patients were seen at two appointments, once with a Clearmask and another with a surgical mask. Dragon voice recognition software was used as a control. Results 95% of patients rated communication better with the clearmask, Patients felt more engaged and were more likely to engage with the clinician. The effect was amplified when English was not the first language. Conclusions Clear facemasks improved communication and allow patients to become more engaged in consults and are more likely to allow information to be divulged to a clinician.
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PO-1125 Long-term efficacy and toxicity following CyberKnife radiation for Vestibular Schwannoma. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03089-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Personal protective equipment training & lived experience for healthcare staff during COVID-19. CLINICAL INFECTION IN PRACTICE 2022; 14:100142. [PMID: 35345552 PMCID: PMC8941945 DOI: 10.1016/j.clinpr.2022.100142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/25/2022] [Accepted: 03/17/2022] [Indexed: 11/08/2022] Open
Abstract
Objectives To describe the lived experience of healthcare staff during the Coronavirus Disease 2019 (COVID-19) pandemic relating to the use of personal protective equipment (PPE) and investigate risks associated with PPE use, error mitigation and acceptability of mindfulness incorporation into PPE practice. Methods A qualitative human factors' study at two Irish hospitals occurred in late 2020. Data was collected by semi-structured interview and included role description, pre-COVID-19 PPE experience, the impact of COVID-19 on lived experience, risks associated with PPE use, contributory factors to errors, error mitigation strategies and acceptability of incorporating mindfulness into PPE practice. Results Of 45 participants, 23 of whom were nursing staff (51%), 34 (76%) had previously worn PPE and 25 (56%) used a buddy system. COVID-19 lived experience impacted most on social life/home-work interface (n=36, 80%). Nineteen staff (42%) described mental health impacts. The most cited risk concerned 'knowledge of procedures' (n=18, 40%). Contributory factors to PPE errors included time (n=15, 43%) and staffing pressures (n=10, 29%). Mitigation interventions included training/education (n=12, 40%). The majority (n=35, 78%) supported mindfulness integration into PPE practice. Conclusions PPE training should address healthcare staff lived experiences and consider incorporation of mindfulness and key organisational factors contributing to safety.
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The need for effective drugs for TB prevention: set your goals high, and don´t stop till you get there. Int J Tuberc Lung Dis 2022; 26:85-88. [PMID: 35086616 PMCID: PMC9296677 DOI: 10.5588/ijtld.21.0736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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Ependymomas: surgeon case volume and patient outcomes. Neuro Oncol 2021. [DOI: 10.1093/neuonc/noab195.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Aims
Ependymomas (tumours arising from ependymal cells) are rare in the adult population and therefore there is limited class 1 evidence on the treatment and management of these patients. We present our experience from a large single center. We address whether management should be undertaken by sub-specialised surgeons with high volume experience.
Method
Retrospective comparative study.
Results
High volume surgeons operated on larger volume (16.14 mm3, 8.31mm3, p=0.10) and more complex tumours (multi-centric cases p=0.10). We find a non-significant improvement in complication rate (p=0.77), extent of gross total resection (70.8% against 65.7%) and a positive change in performance status for high volume surgeons (p=0.84). Length of hospital stay is significantly prolonged when complications occur (14.2 and 48.4 days, p<0.05).
Conclusion
Surgeons who have higher case load of ependymomas operate on more complex tumours. In addition, our results indicate there is a technical advantage of high volume surgeons compared to low volume surgeons, which translates into improved clinical outcomes for patients. We show that this has a significant impact on length of hospital stay, as well as the associated economical implications. For rare tumours such as ependymomas, super-specialisation and referral to surgeons with higher case volume will likely improve patient outcomes.
We call for a multi-centre, prospective studies to combine data in demonstrating statistical significance (power calculation for complication rate, N=150, p=0.05).
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Sterilization of gowns: making the most of a scarce commodity during the COVID-19 pandemic. Public Health Action 2021; 11:112-113. [PMID: 34567985 DOI: 10.5588/pha.21.0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 06/08/2021] [Indexed: 11/10/2022] Open
Abstract
Baylor Clinic in Mbabane, Eswatini, convened a crisis meeting to tackle critical shortages of long-sleeved disposable gowns that resulted from COVID-19 pandemic constraints on available personal protective equipment (PPE). A strategy deemed safe, affordable and sustainable was adopted to autoclave and re-use gowns based on a risk-stratified approach. Key objectives were to ensure essential infection control and prevention (ICP) for medical doctors, nurses, and laboratory teams. Administrative, environmental and personal protective measures for ICP were enhanced through regular staff training. This strategy for gown re-use has been invaluable in motivating responsible stewardship and maximization of available gowns during the COVID-19 pandemic.
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Two year follow up of supercapsular percutaneously assisted total hip arthroplasty. BMC Musculoskelet Disord 2021; 22:478. [PMID: 34030681 PMCID: PMC8147097 DOI: 10.1186/s12891-021-04351-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 05/10/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Dislocation after primary total hip arthroplasty (THA) has an incidence of 2-3%. Approximately 77% of dislocations occur within the first year after surgery. The SuperPATH technique is a minimally invasive approach for THA that preserves soft tissue attachments. The purpose of this study is to describe the dislocation rate at 1 year after SuperPATH primary THA. METHODS All elective primary THAs performed by the senior author using the SuperPATH approach. Exclusion criteria were acute femoral neck fracture, revision surgery, or malignancy. There were 214 of 279 eligible patients available for telephone interviews (76.7%). Medical records were reviewed for secondary outcomes including early and late complications, cup positioning, distance ambulated on postoperative day one, discharge destination, and blood transfusions. RESULTS Mean age at surgery was 64 ± 10.8 years and mean time to telephone follow up was 773 ± 269.7 days. There were 104 female and 110 male patients. There were zero dislocations reported. Blood transfusions were performed in 3.7% of patients, and 75.7% were discharged to home at an average of 2.3 ± 1.0 days. Cup position averaged 43.6 ± 5.2° abduction and 20.9 ± 6.2° anteversion, with an average leg length discrepancy of 3.6 ± 3.32 mm. Complications included three intraoperative calcar fractures, one periprosthetic femur fracture, one early femoral revision, three superficial infections, and one instance of wound necrosis. CONCLUSION SuperPATH approach is safe for use in primary THA resulting in a low dislocation rate.
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Multiparametric MRI: practical approach and pictorial review of a useful tool in the evaluation of brain tumours and tumour-like lesions. Insights Imaging 2020; 11:84. [PMID: 32681296 PMCID: PMC7367972 DOI: 10.1186/s13244-020-00888-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 06/24/2020] [Indexed: 12/17/2022] Open
Abstract
MRI has a vital role in the assessment of intracranial lesions. Conventional MRI has limited specificity and multiparametric MRI using diffusion-weighted imaging, perfusion-weighted imaging and magnetic resonance spectroscopy allows more accurate assessment of the tissue microenvironment. The purpose of this educational pictorial review is to demonstrate the role of multiparametric MRI for diagnosis, treatment planning and for assessing treatment response, as well as providing a practical approach for performing and interpreting multiparametric MRI in the clinical setting. A variety of cases are presented to demonstrate how multiparametric MRI can help differentiate neoplastic from non-neoplastic lesions compared to conventional MRI alone.
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Narcotic use after hospital discharge for ovarian cancer patients on our Enhanced Recovery After Surgery (ERAS) pathway. Gynecol Oncol 2020. [DOI: 10.1016/j.ygyno.2019.11.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Intraperitoneal chemotherapy is equally safe and effective in ovarian cancer patients with and without Germline BRCA1 or BRCA2 mutations. Gynecol Oncol 2019. [DOI: 10.1016/j.ygyno.2019.03.232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Remediation of IGG4 cross reaction from the binding site OPTILITE® IGG1 and IGG2 assays. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Intraperitoneal chemotherapy following neoadjuvant chemotherapy and interval surgical cytoreduction for ovarian cancer. Gynecol Oncol 2018. [DOI: 10.1016/j.ygyno.2018.04.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Economic Analysis of Anatomic Plating Versus Tubular Plating for the Treatment of Fibula Fractures. Orthopedics 2018; 41:e252-e256. [PMID: 29451935 DOI: 10.3928/01477447-20180213-01] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 12/15/2017] [Indexed: 02/03/2023]
Abstract
Ankle fractures are among the most common injuries requiring operative management. Implant choices include one-third tubular plates and anatomically precontoured plates. Although cadaveric studies have not revealed biomechanical differences between various plate constructs, there are substantial cost differences. This study sought to characterize the economic implications of implant choice. A retrospective review was undertaken of 201 consecutive patients with operatively treated OTA type 44B and 44C ankles. A Nationwide Inpatient Sample query was performed to estimate the incidence of ankle fractures requiring fibular plating, and a Monte Carlo simulation was conducted with the estimated at-risk US population for associated plate-specific costs. The authors estimated an annual incidence of operatively treated ankle fractures in the United States of 59,029. The average cost was $90.86 (95% confidence interval, $90.84-$90.87) for a one-third tubular plate vs $746.97 (95% confidence interval, $746.55-$747.39) for an anatomic plate. Across the United States, use of only one-third tubular plating over anatomic plating would result in statistically significant savings of $38,729,517 (95% confidence interval, $38,704,773-$38,754,261; P<.0001). General use of one-third tubular plating instead of anatomic plating whenever possible for fibula fractures could result in cost savings of up to nearly $40 million annually in the United States. Unless clinically justifiable on a per-case basis, or until the advent of studies showing substantial clinical benefit, there currently is no reason for the increased expense from widespread use of anatomic plating for fractures amenable to one-third tubular plating. [Orthopedics. 2018; 41(2):e252-e256.].
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Modern Techniques for the Management of Metastatic Spine Disease. Instr Course Lect 2018; 67:567-578. [PMID: 31411440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The management of metastatic spine disease has evolved substantially in the past 5 years. Early treatment approaches with more aggressive surgical indications were based on studies that misinterpreted or overemphasized the advantages of the surgical management of metastatic spine disease. However, substantial advantages in radiation therapy, chemotherapy, and biologic agents have led to considerable improvements in patient outcomes and have, in many patients, shifted the paradigm back to nonsurgical or less invasive treatment modalities. Surgeons should be aware of critiques of earlier treatment strategies and associated frameworks for the management of metastatic spine disease. The Medical, Oncologic, Stenosis, and Stability framework was developed to address some of the shortcomings of early metastatic spine disease treatment approaches.
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Friend or foe? Intraperitoneal ports placed at the same time as bowel resection: complication rates and outcomes. Gynecol Oncol 2017. [DOI: 10.1016/j.ygyno.2017.07.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Solid Organ Transplant–Transmitted Tuberculosis Linked to a Community Outbreak — California, 2015. Am J Transplant 2017. [DOI: 10.1111/ajt.14471] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Photoinitiators for two-photon polymerisation: effect of branching and viscosity on polymerisation thresholds. RSC Adv 2017. [DOI: 10.1039/c6ra27176f] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The effect of the photoinitiator branching on polymerisation thresholds in a series of triphenylamine ethyl ester derivatives is studied.
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Gun-shot injuries in UK military casualties - Features associated with wound severity. Injury 2016; 47:1067-71. [PMID: 26948689 DOI: 10.1016/j.injury.2016.02.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Accepted: 02/07/2016] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Surgical treatment of high-energy gun-shot wounds (GSWs) to the extremities is challenging. Recent surgical doctrine states that wound tracts from high-energy GSWs should be laid open, however the experience from previous conflicts suggests that some of these injuries can be managed more conservatively. The aim of this study is to firstly characterise the GSW injuries sustained by UK forces, and secondly test the hypothesis that the likely severity of GSWs can be predicted by features of the wound. METHODS The UK Military trauma registry was searched for cases injured by GSW in the five years between 01 January 2009 and 31 December 2013: only UK personnel were included. Clinical notes and radiographs were then reviewed. Features associated with energy transfer in extremity wounds in survivors were further examined with number of wound debridements used as a surrogate marker of wound severity. RESULTS There were 450 cases who met the inclusion criteria. 96 (21%) were fatally injured, with 354 (79%) surviving their injuries. Casualties in the fatality group had a median New Injury Severity Score (NISS) of 75 (IQR 75-75), while the median NISS of the survivors was 12 (IQR 4-48) with 10 survivors having a NISS of 75. In survivors the limbs were most commonly injured (56%). 'Through and through' wounds, where the bullet passes intact through the body, were strongly associated with less requirement for debridement (p<0.0001). When a bullet fragmented there was a significant association with a requirement for a greater number of wound debridements (p=0.0002), as there was if a bullet fractured a bone (p=0.0006). CONCLUSIONS More complex wounds, as indicated by the requirement for repeated debridements, are associated with injuries where the bullet does not pass straight through the body, or where a bone is fractured. Gunshot wounds should be assessed according to the likely energy transferred, extremity wounds without features of high energy transfer do not require extensive exploration.
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HBV/HDV co-infection in the Western Brazilian Amazonia: an intriguing mutation among HDV genotype 3 carriers. J Viral Hepat 2014; 21:921-4. [PMID: 25040045 DOI: 10.1111/jvh.12267] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Accepted: 04/24/2014] [Indexed: 12/09/2022]
Abstract
HDV infection still remains a serious public health problem in Amazonia. There are few data regarding the biomolecular aspects of HBV/HDV co-infection in this region. We studied 92 patients HBsAg(+) /anti-HDV IgG(+) followed at the Hepatitis Referral Centers of Porto Velho (RO), Rio Branco and Cruzeiro do Sul (AC), Brazil, from March 2006 to March 2007 for whom the HDV and/or the HBV genotype could be determined. The HDV genotype could be determined in 90 patients, while the HBV genotypes could be positively determined in 74. HBV subgenotype F2 is the most prevalent (40.2%), followed by the subgenotypes A1 (15.2%) and D3 (8.7%), while 16.4% were other subgenotypes or genotypes, 4.3% were discordant and 15.2% were unamplifiable. Surprisingly, HDV genotype 3 (HDV-3) was found in all of the HBV/HDV-infected patients that could be genotyped for HDV, confirming that HDV-3 can associate with non-F HBV genotypes. However, a HDV-3 mutant was found in 29.3% of patients and was more frequently associated with non-F HBV genotypes (P < 0.001) than were nonmutant strains, suggesting that the mutation may facilitate association of HDV-3 with non-F HBV genotypes.
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Synthesis and Solution Aggregation Studies of a Suite of Mixed Neutral and Zwitterionic Chromophores for Second-Order Nonlinear Optics. J Org Chem 2014; 79:10153-69. [DOI: 10.1021/jo5018124] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Acute bilateral leg amputation following combat injury in UK servicemen. Injury 2014; 45:1105-10. [PMID: 24598278 DOI: 10.1016/j.injury.2014.01.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 10/27/2013] [Accepted: 01/21/2014] [Indexed: 02/02/2023]
Abstract
BACKGROUND This study aims to characterise the injuries and surgical management of British servicemen sustaining bilateral lower limb amputations. METHODS The UK Military Trauma Registry was searched for all cases of primary bilateral lower limb amputation sustained between March 2004 and March 2010. Amputations were excluded if they occurred more than 7 days after injury or if they were at the ankle or more distal. RESULTS There were 1694 UK military patients injured or killed during this six-year study period. Forty-three of these (2.8%) were casualties with bilateral lower limb amputations. All casualties were men with a mean age of 25.1 years (SD 4.3): all were injured in Afghanistan by Improvised Explosive Devices (IEDs). Six casualties were in vehicles when they were injured with the remaining 37 (80%) patrolling on foot. The mean New Injury Severity Score (NISS) was 48.2 (SD 13.2): four patients had a maximum score of 75. The mean TRISS probability of survival was 60% (SD 39.4), with 18 having a survival probability of less than 50% i.e. unexpected survivors. The most common amputation pattern was bilateral trans-femoral (TF) amputations, which was seen in 25 patients (58%). Nine patients also lost an upper limb (triple amputation): no patients survived loss of all four limbs. In retained upper limbs extensive injuries to the hands and forearms were common, including loss of digits. Six patients (14%) sustained an open pelvic fracture. Perineal/genital injury was a feature in 19 (44%) patients, ranging from unilateral orchidectomy to loss of genitalia and permanent requirement for colostomy and urostomy. The mean requirement for blood products was 66 units (SD 41.7). The maximum transfusion was 12 units of platelets, 94 packed red cells, 8 cryoprecipitate, 76 units of fresh frozen plasma and 3 units of fresh whole blood, a total of 193 units of blood products. CONCLUSIONS Our findings detail the severe nature of these injuries together with the massive surgical and resuscitative efforts required to firstly keep patients alive and secondly reconstruct and prepare them for rehabilitation.
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MEDULLOBLASTOMA. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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2-(3-Cyano-4-methyl-5,5-diphenyl-5H-furan-2-yl-idene)malono-nitrile. Acta Crystallogr Sect E Struct Rep Online 2014; 69:o1365-6. [PMID: 24427012 PMCID: PMC3884449 DOI: 10.1107/s1600536813020849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Accepted: 07/26/2013] [Indexed: 11/10/2022]
Abstract
The title compound, C21H13N3O, crystallizes with two independent molecules with similar conformations per asymmetric unit. The dihydrofuran rings are essentially planar with maximum deviations of 0.017 (1) and 0.006 (1) Å for the O atoms. The dihedral angles between the di-hydro-furan ring and the attached phenyl rings are 79.90 (6) and 82.07 (6)° in one mol-ecule and 79.36 (6) and 72.26 (6)° in the other. In the crystal, the molecules are linked by weak C-H⋯π and C-H⋯N inter-actions similar to those in other closely related crystals. The replacement of appended methyl by phenyl groups has not significantly affected the dihydrofuran ring structure or the crystal packing interactions.
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Abstract
We report the observation of near-perfect light wave transfer by emulating quantum state transfer on a lattice with Hamiltonian dynamics, i.e., time-dependent intersite couplings. The structure transferring a single waveguide excitation over 11 sites with a fidelity of 0.93 works for classical light as well as single photons. As our implementation of perfect quantum state transfer uses a photonic setting, we introduce polarization as a new degree of freedom to the transport protocol. We demonstrate rotation operations of up to 40° on polarization during state transfer.
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Complication rates of minimally invasive spine surgery compared to open surgery: A systematic literature review. ACTA ACUST UNITED AC 2013. [DOI: 10.1053/j.semss.2013.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Multiple cerebral abscesses in Papillon-Lefèvre syndrome. Childs Nerv Syst 2013; 29:1227-9. [PMID: 23686359 DOI: 10.1007/s00381-013-2152-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Accepted: 05/07/2013] [Indexed: 11/25/2022]
Abstract
Papillon-Lefèvre syndrome is characterised by palmoplantar keratoderma, periodontitis and pyogenic infections. We describe the first case of brain abscess in a child with this syndrome. We highlight the importance of recognising any associated diagnosis, however rare or apparently irrelevant, in an acutely and critically ill child.
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Meningococcal encephalitis associated with cerebellar tonsillar herniation and acute cervicomedullary injury. Br J Neurosurg 2013; 27:513-5. [PMID: 23391099 DOI: 10.3109/02688697.2013.764967] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
A 13-year-old girl presented with a progressive ascending paralysis, bulbar dysfunction and finally respiratory arrest. Magnetic resonance (MR) showed acute cervicomedullary injury and hindbrain herniation. An emergency foramen magnum decompression and external ventricular drainage insertion were performed, and meningococcal infection was diagnosed. The patient recovered completely. Meningococcal encephalitis may have an atypical presentation, and a surgery can optimise the outcome.
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Does direct admission from an emergency department with on-site neurosurgical services facilitate time critical surgical intervention following a traumatic brain injury in children? Br J Neurosurg 2012. [PMID: 23205527 DOI: 10.3109/02688697.2012.743965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES To compare the proportion of trauma craniotomies performed within 4 hours of presentation to emergency departments (ED) with and without on-site neurosurgery. DESIGN A retrospective cohort analysis of data collected prospectively between January 2005 and April 2010 from patients with traumatic brain injury who were admitted to the paediatric intensive care unit (PICU) following traumatic brain injury. METHODS Times for admission to ED, PICU and theatre were obtained through analysis of prospectively collected data management systems. Emergency department admission to neurosurgical theatre lag time was calculated using Microsoft Excel. Statistical analysis was performed using R (version 2.11.0). Subjects. Fifty-seven cases were identified. Twenty patients were admitted directly from ED to an on-site neurosurgical unit. The remaining 37 were transferred from regional EDs. RESULTS Thirty-one craniotomies were performed. Thirteen in-patients admitted directly to hospital with neurosurgery on site. Eighteen in patients admitted at the local hospital and then transferred to the neurosurgical unit. Thirteen of Thirty-one (42%) craniotomies were performed within 4 hours. In the on-site group 10 of 13 (77%) craniotomies were performed within 4 hours compared to 3 of 18 (17%) in those transferred from regional ED (p = 0.001232) (Fisher exact test). Eleven patients were transferred directly from ED to neurosurgical theatre for emergency craniotomies. Within this subgroup, seven patients came from the cohort of admissions to a hospital with on-site neurosurgery. The remaining four patients were transferred from regional ED. There were eight extradural haematomas, one subdural haematoma and two intraparenchymal haemorrhages. The mean time from ED presentation to theatre was 1.68 hours and 5.46 hours for the on-site and regional transfer groups, respectively. There were no mortalities. CONCLUSIONS Forty-two per cent of trauma craniotomies are performed within 4 hours. However, presentation to an ED with on-site neurosurgical services significantly facilitates time critical surgery in children following a traumatic brain injury.
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P219 Ten year mortality in a primary care COPD cohort: multidimensional index BOD more discriminant than GOLD staging. Thorax 2011. [DOI: 10.1136/thoraxjnl-2011-201054c.219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Extended depth of field by colored apodization. OPTICS LETTERS 2011; 36:4614-4616. [PMID: 22139260 DOI: 10.1364/ol.36.004614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We describe an approach to achieving extended depth of field for a camera system based on reducing the aperture of the blue channel of a three-color camera by apodizing the lens with a yellow-colored filter. The resulting improvement in depth of field for the blue channel allows red and green channels to be digitally postprocessed for improved sharpness. Simulation confirms that our approach renders the modular transfer function of the system less dependent on object depth. Experimental test images verify the improvement in depth of field.
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Randomized controlled trials in the era of molecular oncology: methodology, biomarkers, and end points. Ann Oncol 2011; 23:1646-51. [PMID: 22048151 DOI: 10.1093/annonc/mdr492] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND We previously reported metrics of systemic therapy randomized controlled trials (RCTs) in breast cancer, colorectal cancer (CRC), and non-small-cell lung cancer (NSCLC) published 1975-2004. To evaluate trends in the era of targeted therapies (TT), we have repeated a similar analysis of RCTs published 2005-2009. METHODS A search for phase III RCTs of systemic agents published in five major journals 2005-2009 was carried out. Trials were classified as TT if they involved any non-hormonal targeted agent. We extracted data regarding biomarker use. Integral biomarkers were defined as tests used to determine eligibility, stratification, or allocation. Descriptive statistics were used to analyze trends over time. RESULTS One hundred and thirty-seven eligible RCTs were evaluated. Compared with 1995-2004, the number (17-27 RCTs/year) and size (median sample size 446-722, P < 0.001) of RCTs increased. The proportion of RCTs evaluating TT increased from 4% (7/167) to 29% (40/137) (P < 0.001). There was an increase in the proportion of trials with financial support from industry [57% (95/167) to 78% (107/137), P = 0.001]. Biomarkers were included in 58% (80/137) of RCTs; integral biomarkers were included in 36% (49/137) of trials. Among the 49 RCTs using integral biomarkers, 40 (82%) used HER2 and/or ER/PR status in studies of breast cancer. CONCLUSIONS RCTs published in 2005-2009 are larger, more likely to evaluate TT, and be supported by industry. Biomarkers may be increasingly used, but the most common use relates to traditional use of ER/PR and evolving use of HER2 in breast cancer RCTs.
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Local realism of macroscopic correlations. PHYSICAL REVIEW LETTERS 2011; 107:060405. [PMID: 21902303 DOI: 10.1103/physrevlett.107.060405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Indexed: 05/31/2023]
Abstract
We identify conditions under which correlations resulting from quantum measurements performed on macroscopic systems (systems composed of a number of particles of the order of the Avogadro number) can be described by local realism. We argue that the emergence of local realism at the macroscopic level is caused by an interplay between the monogamous nature of quantum correlations and the fact that macroscopic measurements do not reveal properties of individual particles.
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Randomized controlled trials (RCTs) in the era of molecular oncology: Methodology, biomarkers, and endpoints. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.6049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Contemporary Approaches To Definitive Extremity Reconstruction Of Military Wounds. J ROY ARMY MED CORPS 2009; 155:302-7. [DOI: 10.1136/jramc-155-04-12] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Are hair straightener burns non-accidental injuries? Burns 2009. [DOI: 10.1016/j.burns.2009.06.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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7124 Association between time to disease progression (TDP) endpoints and overall survival (OS) in patients with metastatic renal cell carcinoma (mRCC). EJC Suppl 2009. [DOI: 10.1016/s1359-6349(09)71457-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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7157 Subgroup analysis of French patients from RECORD-1: a randomized, placebo-controlled, phase III study of everolimus, a novel therapy for patients with metastatic renal cell carcinoma. EJC Suppl 2009. [DOI: 10.1016/s1359-6349(09)71490-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Association between treatment effects on disease progression (DP) endpoints and overall survival (OS) in patients with metastatic renal cell carcinoma (mRCC). J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.5105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
5105 Background: Access to safe and effective novel therapies may be expedited if DP endpoints (progression-free survival [PFS], time to progression [TTP], or event-free survival) are established as valid surrogates for OS in pivotal studies in mRCC. While the association between DP endpoints and OS has been established in other cancers, it has not been rigorously examined in patients with mRCC. We assessed the association between treatment effects on DP endpoints and treatment effects on OS in controlled trials of patients with mRCC. Methods: A systematic literature search was conducted (Medline, conference abstracts, references of retrieved studies/ reviews) to identify studies meeting the following criteria: controlled trials in mRCC of IL-2, IFN-α, sunitinib, sorafenib, pazopanib, bevacizumab, temsirolimus, or everolimus; English language; publication date≥1997; median time to DP and OS reported for 2 or more treatment groups. For each treatment group comparison, we calculated the differences in median time to DP and median OS and analyzed the association between the differences in median time to DP and differences in median OS using weighted ordinary least-squares (OLS) regression. Results: A total of 21 studies representing 6182 patients, 52 treatment groups, and 35 comparisons were identified. The median difference between treatment groups in time to DP averaged 1.3 months; the median difference between treatment groups in OS averaged 2.8 months. The correlation between differences in median time to DP and differences in median OS was 0.69 (p < 0.0001). In weighted OLS regression, a 1 month difference in DP was associated with a 1.4 month difference in OS (p < 0.0001, adjusted R-sq = 0.46). Conclusions: In patients receiving treatment for mRCC, treatment effects on DP endpoints are predictive of treatment effects on OS. [Table: see text]
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Forward trauma surgery in Afghanistan: lessons learnt on the modern asymmetric battlefield. J ROY ARMY MED CORPS 2009; 154:14-8. [PMID: 19090380 DOI: 10.1136/jramc-154-01-05] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The deployment of 16 Air Assault Brigade to Helmand Province, Afghanistan in April-October 2006 was supported by a two -surgeon Field Surgical Team (FST) embedded within a 25 bed medical facility. We report the summative operative experience of the FST in order to analyse workload, case-mix and outline future training requirements. Within this period, 138 patients underwent 255 theatre episodes and 322 surgical procedures. 106 of the 138 patients requiring surgery were battle-injured. Surgical procedures undertaken involved wound excision (95), major amputation (9), laparotomy (9), application of external-fixation/skeletal traction (6), thoracotomy (4), plaster application (6), dural repair (2), and one tracheostomy with 13 other procedures. Procedures undertaken at subsequent surgery included delayed primary closure (65), split skin graft (7), wound excision (5), tendon repair (3) and 32 others. Complications included two patients with delayed reactionary haemorrhage/ post-surgical bleeding requiring re-operation. There was one in-hospital death. Thirty-two patients underwent surgery to treat disease or non-battle injury (DNBI), including 9 patients with major burns who required 26 procedures for burn excision and primary skin grafting. Many of the operations required the deployed team to operate outside of their normal NHS comfort zone. The experiences and lessons learnt and re-learnt by this surgical team should be part of our institutional memory.
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Initiation of hepatitis B virus genome replication and production of infectious virus following delivery in HepG2 cells by novel recombinant baculovirus vector. J Gen Virol 2008; 89:1819-1828. [PMID: 18632952 DOI: 10.1099/vir.0.83659-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
One of the major problems in gaining further insight into hepatitis B virus (HBV)/host-cell interactions is to improve the existing cellular models for the study of HBV replication. The first objective of this study was to improve the system based on transduction of HepG2 cells with a recombinant baculovirus to study HBV replication. A new HBV recombinant baculovirus, Bac-HBV-1.1, in which the synthesis of pre-genomic RNA is driven by a strong mammalian promoter, was generated. Transduction with this new recombinant baculovirus led to higher levels of HBV replication in HepG2 cells compared with levels obtained with previously described baculovirus vectors. The initiation of a complete HBV DNA replication cycle in Bac-HBV-1.1-transduced HepG2 cells was shown by the presence of HBV replicative intermediates, including covalently closed circular DNA (cccDNA). Only low levels of cccDNA were detected in the nucleus of infected cells. Data showed that cccDNA resulted from the recycling of newly synthesized nucleocapsids and was bound to acetylated histones in a chromatin-like structure. HBV particles released into the supernatant of transduced HepG2 cells were infectious in differentiated HepaRG cells. Several Bac-HBV-1.1 baculoviruses containing HBV strains carrying mutations conferring resistance to lamivudine and/or adefovir were constructed. Phenotypic analysis of these mutants confirmed the results obtained with the transfection procedures. In conclusion, an improved cell-culture system was established for the transduction of replication-competent HBV genomes. This will be useful for future studies of the fitness of HBV mutants.
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Intestinal carriage of verocytotoxigenic Escherichia coli O157, Salmonella, thermophilic Campylobacter and Yersinia enterocolitica, in cattle, sheep and pigs at slaughter in Great Britain during 2003. Epidemiol Infect 2008; 136:739-51. [PMID: 17655782 PMCID: PMC2870870 DOI: 10.1017/s0950268807009223] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2007] [Indexed: 11/06/2022] Open
Abstract
An abattoir survey was undertaken to determine the prevalence of foodborne zoonotic organisms colonizing cattle, sheep and pigs at slaughter in Great Britain. The study ran for 12 months from January 2003, involved 93 abattoirs and collected 7703 intestinal samples. The design was similar to two previous abattoir surveys undertaken in 1999-2000 allowing comparisons. Samples were examined for VTEC O157, Salmonella, thermophilic Campylobacter and Yersinia enterocolitica. The prevalence of VTEC O157 faecal carriage was 4.7% in cattle, 0.7% in sheep and 0.3% in pigs. A significant decrease in sheep was detected from the previous survey (1.7%). Salmonella carriage was 1.4% in cattle, a significant increase from the previous survey of 0.2%. In sheep, faecal carriage was 1.1% a significant increase from the previous survey (0.1%). In pigs, carriage was 23.4%, consistent with the previous study. Thermophilic Campylobacter spp. were isolated from 54.6% of cattle, 43.8% of sheep and 69.3% of pigs. Y. enterocolitica was isolated from 4.5% of cattle, 8.0% of sheep and 10.2% of pigs.
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RAD001 vs placebo in patients with metastatic renal cell carcinoma (RCC)after progression on VEGFr-TKI therapy: Results from a randomized, double-blind, multicenter Phase-III study. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.lba5026] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Pattern, management and outcome of cervical spine injuries associated with head injuries in paediatric patients. Childs Nerv Syst 2008; 24:87-92. [PMID: 17646994 DOI: 10.1007/s00381-007-0412-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2007] [Revised: 06/06/2007] [Indexed: 10/23/2022]
Abstract
INTRODUCTION This study examines the management and outcome of cervical spine injuries in children with head injuries, to assess the need for surgical treatment. MATERIAL AND METHODS We performed a retrospective analysis (1995-2005) of 445 children admitted intubated and ventilated to the intensive care unit with head injuries. OUTCOME MEASURES Frankel grade for spinal injuries and Glasgow Outcome Scale (GOS) for head injuries. RESULTS Cervical spine injuries were detected in 11 patients (incidence 2.5%, mean age: 6.3 years, range: 21 months-15 years). The injuries were: C1/2 distraction: 2; C1/2 subluxation: 2; odontoid peg fracture with C1/2 dislocation and cord transection: 1; disruption of posterior longitudinal ligament at C2: 1; odontoid peg fracture with C2/3 distraction: 1; C2/3 subluxation: 1; C3 lamina fracture: 1; C3/4 facet fracture: 1; C6/7 fracture dislocation with cord transection: 1. One patient was managed operatively, ten patients nonoperatively, two with halo vests and eight with hard collars. There were three deaths (mortality 27%) associated with severe head injuries. At 6 months follow-up, two patients remained quadriplegic (Frankel Grade A), one of them ventilator dependent, one had residual motor function but of no practical use (Frankel Grade C), five had good spinal outcome (Frankel Grade E). Seven patients had good head injury outcomes (GOS 5), one remained disabled (GOS 3). CONCLUSION Most children with cervical injury can be managed nonoperatively with good outcomes. Surgical management may be necessary in severe unstable injuries.
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