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Alternative models to support weight loss in chronic musculoskeletal conditions: effectiveness of a physiotherapist-delivered intensive diet programme for knee osteoarthritis, the POWER randomised controlled trial. Br J Sports Med 2024; 58:538-547. [PMID: 38637135 DOI: 10.1136/bjsports-2023-107793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2024] [Indexed: 04/20/2024]
Abstract
OBJECTIVES To determine if physiotherapists can deliver a clinically effective very low energy diet (VLED) supplementary to exercise in people with knee osteoarthritis (OA) and overweight or obesity. METHODS 88 participants with knee OA and body mass index (BMI) >27 kg/m2 were randomised to either intervention (n=42: VLED including two daily meal replacement products supplementary to control) or control (n=46: exercise). Both interventions were delivered by unblinded physiotherapists via six videoconference sessions over 6 months. The primary outcome was the percentage change in body weight at 6 months, measured by a blinded assessor. Secondary outcomes included BMI, waist circumference, waist-to-hip ratio, self-reported measures of pain, function, satisfaction and perceived global change, and physical performance tests. RESULTS The intervention group lost a mean (SD) of 8.1% (5.2) body weight compared with 1.0% (3.2) in the control group (mean (95% CI) between-group difference 7.2% (95% CI 5.1 to 9.3), p<0.001), with significantly lower BMI and waist circumference compared with control group at follow-up. 76% of participants in the intervention group achieved ≥5% body weight loss and 37% acheived ≥10%, compared with 12% and 0%, respectively, in the control group. More participants in the intervention group (27/38 (71.1%)) reported global knee improvement than in the control group (20/42 (47.6%)) (p=0.02). There were no between-group differences in any other secondary outcomes. No serious adverse events were reported. CONCLUSION A VLED delivered by physiotherapists achieved clinically relevant weight loss and was safe for people with knee OA who were overweight or obese. The results have potential implications for future service models of care for OA and obesity. TRIAL REGISTRATION NUMBER NIH, US National Library of Medicine, Clinicaltrials.gov NCT04733053 (1 February 2021).
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Prediction of attributable mortality in pediatric patients with cancer admitted to the intensive care unit for suspected infection: A comprehensive evaluation of risk scores. Cancer Med 2023; 12:21287-21292. [PMID: 38011018 PMCID: PMC10726759 DOI: 10.1002/cam4.6709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/18/2023] [Accepted: 11/01/2023] [Indexed: 11/29/2023] Open
Abstract
OBJECTIVE To evaluate the performance of existing sepsis scores for prediction of adverse outcomes in children with cancer admitted to the ICU with suspected sepsis. DESIGN Retrospective chart review using data available at 1, 6, 12, and 24 h after ICU admission to calculate the Pediatric Risk of Mortality 3 (PRISM-3), Pediatric Sequential Organ Failure Assessment (pSOFA), Paediatric Logistic Organ Dysfunction 2 (PELOD-2), and Quick Pediatric Sequential Organ Failure Assessment (qSOFA) scores. Area under the receiver operator characteristic curve (AUROC) was used to evaluate performance for prediction of attributable mortality. Sensitivity analyses included recalculation of scores using worst preceding values for each variable, excluding hematologic parameters, and prediction of alternative outcomes. SETTING St. Jude Children's Research Hospital, a pediatric comprehensive cancer center in the USA. PATIENTS Pediatric patients (<25 years of age) receiving conventional therapy for cancer admitted to the ICU with suspected sepsis between 2013 and 2019. RESULTS Of 207 included episodes of suspected sepsis, attributable mortality was 16 (7.7%) and all evaluated sepsis scores performed poorly (maximal AUROC of 0.73 for qSOFA at 1 and 24 h). Sensitivity analyses did not identify an alternative approach that significantly improved prediction. CONCLUSIONS Currently available sepsis scores perform poorly for prediction of attributable mortality in children with cancer who present to ICU with suspected sepsis. More research is needed to identify reliable predictors of adverse outcomes in this population.
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Assessment of Small Paediatric Burns: A Coin-Based System. ANNALS OF BURNS AND FIRE DISASTERS 2023; 36:276-280. [PMID: 38680239 PMCID: PMC11041877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 08/10/2022] [Indexed: 05/01/2024]
Abstract
A review of paediatric burns in our burns facility in the United Kingdom demonstrated variable accuracy of size, and a majority documented as <1% total body surface area (TBSA). Accurate assessment is important for medical records, clinical management and non-accidental injuries. We propose to assess burn size with a coin-based system, where small burns are described by single/multiple sterling coins. Participants were asked about their confidence in evaluating small paediatric burns. Participants were given ten scenarios which included photographs of paediatric patients with small burns. They were asked to assess burn size in their normal manner (TBSA, measurement) and with a coin-based system. The 'burns' were drawn on children based on a given coin size and percentage so that the accuracy of the participant's answer was quantifiable. Participants provided qualitative feedback in a questionnaire on the coin-based system. Thirty nurses and medical staff of varying seniority actively involved in referral/management of paediatric burns took part, creating over 300 responses. In preliminary questions, 66% of participants did not feel confident in estimating paediatric burns and 83% needed to refer to a paediatric burns chart. Accuracy of burn size using TBSA and the coin-based system was 45% and 67%, respectively. The majority (97%) stated estimating size was easier, and 93% found it more accurate. A total of 87% found communication between colleagues easier. Results highlight the improved assessment of small burns in our hospital using a coin-based approach in comparison to TBSA, and could facilitate accurate communication between health care professionals.
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'I saw it as a marriage-You can't have one without the other': A qualitative study of patient and physiotherapist experiences with a therapeutic combined strength and aerobic physical activity exercise programme for hip osteoarthritis. Musculoskeletal Care 2023; 21:1293-1306. [PMID: 37609866 DOI: 10.1002/msc.1808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/24/2023]
Abstract
INTRODUCTION To explore physiotherapist and patient experiences with, and acceptability of, a 12-week physiotherapist-guided combined strength and aerobic physical activity exercise programme for hip osteoarthritis (OA). METHODS A qualitative study using semi-structured interviews with 13 people with hip OA and four physiotherapists. Patients underwent a 12-week home exercise programme customised by weekly visits with one of the four physiotherapists. The programme aimed for patients to participate in 150 min of moderate-intensity aerobic physical activity, and 20-30 min of strengthening exercise 2-3 times per week in concordance with American College of Sports Medicine (ACSM) dosage guidelines. Following the programme, patients and physiotherapists participated in individual semi-structured interviews to explore the acceptability of the exercise programme and barriers and facilitators to participation. Data were audio-recorded, transcribed and analysed using a thematic approach. RESULTS Five over-arching themes (supporting subthemes) were identified from both patient and physiotherapist interviews: (i) positive outcomes (functional improvements, pain relief, empowerment through experience, commitment to continue); (ii) combined benefits of aerobic and strength exercises (complimentary effects, strengthening exercises key); (iii) valuing support from the physiotherapist (personalised care, skill performance feedback, coach effect, accountability); (iv) motivation and opportunity for exercise (positive symptom loop, integration into daily routine, prior exercise experience, Fitbit motivation); and (v) time-consuming commitment (physiotherapy visit frequency, travel inconvenience, time for exercise). CONCLUSIONS Experiences of participants in this study indicate that, although time-consuming, a combined aerobic physical activity and strengthening programme prescribed at ACSM dosage guidelines is acceptable and confers positive outcomes in individuals with hip OA.
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Lessons learnt from a nationally funded training and mentoring programme for early-mid career musculoskeletal researchers in Australia. Musculoskeletal Care 2023; 21:1563-1570. [PMID: 37843259 PMCID: PMC10947136 DOI: 10.1002/msc.1820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023]
Abstract
INTRODUCTION Quality training and mentoring are crucial components of successful career development for early mid career researchers (EMCRs). This paper describes the overarching framework of novel ongoing national Training and Mentoring Programme Melbourne University Sydney Queensland:Impact (MUSQ:Impact) for musculoskeletal researchers, including a description of how it was set up and established, and lessons learned from its implementation. RESULTS The MUSQ:Impact programme spans four multidisciplinary musculoskeletal research teams across three universities in Australia, comprising 40-60 EMCR members. It was established to provide EMCRs with a unique learning environment and opportunities to gain exposure to, and network with, other national musculoskeletal research teams. Specific goals are to focus on core research competencies (e.g. writing skills, managing grant budgets, public speaking and media engagement, research translation), provide career mentoring, fund development activities (e.g. conference attendance, laboratory visits, skill development courses), and share training resources (e.g. data dictionaries, project summaries). A Steering Committee of 10-12 EMCR members, co-chaired by a senior researcher and one EMCR, is responsible for overseeing MUSQ:Impact and organising regular activities, including a monthly webinar series, a mentor/mentee scheme, annual group research retreats, annual infographic competition, and funding awards. An evaluation survey found that most participants perceived each activity to be beneficial and of value to their research career and development. CONCLUSION This paper presents the structure of national training and mentoring programme that serves as a potential template for other research teams to adapt within their own contexts.
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Effectiveness of a telehealth physiotherapist-delivered intensive dietary weight loss program combined with exercise in people with knee osteoarthritis and overweight or obesity: study protocol for the POWER randomized controlled trial. BMC Musculoskelet Disord 2022; 23:733. [PMID: 35907828 PMCID: PMC9338658 DOI: 10.1186/s12891-022-05685-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 07/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Obesity is associated with knee osteoarthritis (OA). Weight loss, alongside exercise, is a recommended treatment for individuals with knee OA and overweight/obesity. However, many patients cannot access weight loss specialists such as dietitians. Innovative care models expanding roles of other clinicians may increase access to weight loss support for people with knee OA. Physiotherapists may be well placed to deliver such support. This two-group parallel, superiority randomized controlled trial aims to compare a physiotherapist-delivered diet and exercise program to an exercise program alone, over 6 months. The primary hypothesis is that the physiotherapist-delivered diet plus exercise program will lead to greater weight loss than the exercise program. METHODS 88 participants with painful knee OA and body mass index (BMI) > 27 kg/m2 will be recruited from the community. Following baseline assessment, participants will be randomised to either exercise alone or diet plus exercise groups. Participants in the exercise group will have 6 consultations (20-30 min) via videoconference with a physiotherapist over 6 months for a strengthening exercise program, physical activity plan and educational/exercise resources. Participants in the diet plus exercise group will have 6 consultations (50-75 min) via videoconference with a physiotherapist prescribing a ketogenic very low-calorie diet with meal replacements and educational resources to support weight loss and healthy eating, plus the intervention of the exercise only group. Outcomes are measured at baseline and 6 months. The primary outcome is percentage change in body weight measured by a blinded assessor. Secondary outcomes include self-reported knee pain, physical function, global change in knee problems, quality of life, physical activity levels, and internalised weight stigma, as well as BMI, waist circumference, waist-to-hip ratio, physical performance measures and quadriceps strength, measured by a blinded assessor. Additional measures include adherence, adverse events, fidelity and process measures. DISCUSSION This trial will determine whether a physiotherapist-delivered diet plus exercise program is more effective for weight loss than an exercise only program. Findings will inform the development and implementation of innovative health service models addressing weight management and exercise for patients with knee OA and overweight/obesity. TRIAL REGISTRATION NIH US National Library of Medicine, Clinicaltrials.gov NCT04733053 (Feb 1 2021).
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Scintillation light detection in the 6-m drift-length ProtoDUNE Dual Phase liquid argon TPC. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2022; 82:618. [PMID: 35859696 PMCID: PMC9288420 DOI: 10.1140/epjc/s10052-022-10549-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/24/2022] [Indexed: 06/15/2023]
Abstract
DUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon decay searches. ProtoDUNE Dual Phase (DP) is a 6 × 6 × 6 m 3 liquid argon time-projection-chamber (LArTPC) that recorded cosmic-muon data at the CERN Neutrino Platform in 2019-2020 as a prototype of the DUNE Far Detector. Charged particles propagating through the LArTPC produce ionization and scintillation light. The scintillation light signal in these detectors can provide the trigger for non-beam events. In addition, it adds precise timing capabilities and improves the calorimetry measurements. In ProtoDUNE-DP, scintillation and electroluminescence light produced by cosmic muons in the LArTPC is collected by photomultiplier tubes placed up to 7 m away from the ionizing track. In this paper, the ProtoDUNE-DP photon detection system performance is evaluated with a particular focus on the different wavelength shifters, such as PEN and TPB, and the use of Xe-doped LAr, considering its future use in giant LArTPCs. The scintillation light production and propagation processes are analyzed and a comparison of simulation to data is performed, improving understanding of the liquid argon properties.
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Effects of adding aerobic physical activity to strengthening exercise on hip osteoarthritis symptoms: protocol for the PHOENIX randomised controlled trial. BMC Musculoskelet Disord 2022; 23:361. [PMID: 35436914 PMCID: PMC9014787 DOI: 10.1186/s12891-022-05282-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 03/31/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hip osteoarthritis (OA) is a leading cause of musculoskeletal pain. Exercise is a core recommended treatment. Most evidence is based on muscle-strengthening exercise, but aerobic physical activity has potential to enhance clinical benefits. The primary aim of this study is to test the hypothesis that adding aerobic physical activity to a muscle strengthening exercise leads to significantly greater reduction in hip pain and improvements in physical function, compared to a lower-limb muscle strengthening exercise program alone at 3 months. METHODS This is a superiority, 2-group, parallel randomised controlled trial including 196 people with symptomatic hip OA from the community. Following baseline assessment, participants are randomly allocated to receive either i) aerobic physical activity and muscle strengthening exercise or; ii) muscle strengthening exercise only. Participants in both groups receive 9 consultations with a physiotherapist over 3 months. Both groups receive a progressive muscle strengthening exercise program in addition to advice about OA management. The aerobic physical activity plan includes a prescription of moderate intensity aerobic physical activity with a goal of attaining 150 min per week. Primary outcomes are self-reported hip pain assessed on an 11-point numeric rating scale (0 = 'no pain' and 10 = 'worst pain possible') and self-reported physical function (Western Ontario and McMaster Universities Osteoarthritis Index physical function subscale) at 3 months. Secondary outcomes include other measures of self-reported pain (assessed at 0, 3, 9 months), self-reported physical function (assessed at 0, 3, 9 months), performance-based physical function (assessed at 0, 3 months), joint stiffness (assessed at 0, 3, 9 months), quality of life (assessed at 0, 3, 9 months), muscle strength (assessed at 0, 3 months), and cardiorespiratory fitness (assessed at 0, 3 months). Other measures include adverse events, co-interventions, and adherence. Measures of body composition, serum inflammatory biomarkers, quantitative sensory measures, anxiety, depression, fear of movement and self-efficacy are included to explore causal mechanisms. DISCUSSION Findings will assist to provide an evidence-based recommendation regarding the additional effect of aerobic physical activity to lower-limb muscle strengthening on hip OA pain and physical function. TRIAL REGISTRATION Australian New Zealand Clinical Trials Registry reference: ACTRN 12619001297112. Registered 20th September 2019.
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Acceptability of Dance PREEMIE (a Dance PaRticipation intervention for Extremely prEterm children with Motor Impairment at prEschool age) from the perspectives of families and dancer teachers: a reflexive thematic analysis. Physiother Theory Pract 2022; 39:1224-1236. [PMID: 35114903 DOI: 10.1080/09593985.2022.2036280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Physical activity (PA) participation is important for children born extremely preterm or extremely low birthweight as it provides opportunities to improve motor skills and cardiovascular fitness; however there is little evidence on interventions promoting PA participation for this group, particularly at preschool age. OBJECTIVE This study aims to explore the acceptability, a critical component of intervention feasibility, of a novel dance participation intervention. METHODS Semi-structured interviews explored the acceptability of Dance PREEMIE, a Dance PaRticipation intervention for Extremely prEterm children with Motor Impairment at prEschool age (trial registration ACTRN12619001266156), from the perspectives of dance teachers delivering the intervention (n = 6), and parents of participating children (n = 6). Data were analyzed using reflexive thematic analysis. RESULTS Five themes were developed: 1) placing the child center-stage: a shared motivation to promote child wellbeing and development; 2) Dance PREEMIE as a catalyst for participation; 3) child development takes time, practice and exposure; 4) the value of being informed; and 5) dance teachers as architects of the learning environment. CONCLUSION Dance PREEMIE was acceptable to both parents of participating children and dance teachers. Findings from this study may inform future interventions aiming to improve PA participation for children with motor impairment at preschool age.
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Effects of an Online Education Program on Physical Therapists' Confidence in Weight Management for People With Osteoarthritis: A Randomized Controlled Trial. Arthritis Care Res (Hoboken) 2021; 75:835-847. [PMID: 34931477 DOI: 10.1002/acr.24828] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 09/20/2021] [Accepted: 11/30/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To evaluate effects of an online education program about weight management for osteoarthritis on physical therapists' self-reported confidence in knowledge and skills in weight management and attitudes toward obesity. METHODS In a 2-group randomized controlled trial, 80 physical therapists (58 female physical therapists) were randomized to education or control groups. The theoretically informed and evidence-informed online self-directed training program covered biopsychosocial elements of obesity and weight management. The primary outcome was self-reported confidence in knowledge in weight management using a customized validated tool (scale 14-70, higher scores indicating higher confidence) assessed at baseline and 6 weeks. Secondary measures included confidence in nutrition care, clinical skills in weight management, and weight stigma. Process measures evaluated participant experience. Differences in change between groups were compared using linear regression models adjusted for baseline scores and stratifying variables (clinical setting; confidence in weight management). Moderation analysis was performed using an interaction approach in a linear regression model and multivariable fractional polynomial interaction approach. RESULTS A total of 79 participants (99%) completed outcome measures at 6 weeks. The education group demonstrated greater improvement in confidence in knowledge than the control group (adjusted mean difference 22.6 units, 95% confidence interval 19.6, 25.5). Greater improvement in knowledge was associated with lower baseline values (interaction P = 0.002). Secondary outcomes showed greater improvements in confidence in skills and nutrition care and in weight stigma domains favoring the education group. Over 90% of participants would recommend the program to peers. CONCLUSION An online education program improves physical therapists' short-term confidence in knowledge and skills in weight management for people with osteoarthritis and reduces weight-stigmatized attitudes.
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Abstract
Children and adolescents born extremely preterm (EP; <28 weeks' gestation) are at greater risk of motor impairment, including cerebral palsy and developmental coordination disorder, than their term born peers. Importantly, motor impairment has implications beyond performing motor skills; it negatively affects outcomes as diverse as school success, emotional wellbeing, physical health, and physical activity (PA) participation. This review will outline what is known about PA participation across childhood and adolescence for children born EP and term, recognising that PA may improve physical, social, and mental health outcomes. Critically, PA participation occurs in the context of children's and adolescents' daily lives, and is influenced by the family, social and physical environment, as well as by the child's personal factors, such as motor impairment. Further research is needed to better understand PA participation levels and correlates for children and adolescents born preterm, to better inform effective and sustainable interventions.
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Barriers and facilitators to community participation for preschool age children born very preterm: a prospective cohort study. Dev Med Child Neurol 2021; 63:675-682. [PMID: 33421112 DOI: 10.1111/dmcn.14809] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/11/2020] [Indexed: 12/15/2022]
Abstract
AIM We compared preschool age children born very preterm with term-born controls to: (1) understand the association between very preterm birth and community participation, (2) determine if motor impairment or social risk affect participation differently between groups, and (3) understand environmental barriers and supports to participation for parents. METHOD Forty-eight children born very preterm (<30wks' gestation; 22 males, 26 females) and 96 controls (47 males, 49 females) were assessed at 4 to 5 years' corrected age for community participation using the Young Children's Participation and Environment Measure. Motor skills were assessed using the Movement Assessment Battery for Children, Second Edition and the Little Developmental Coordination Disorder Questionnaire. RESULTS Children born very preterm participated less frequently than term-born children (difference in means=-0.28, 95% confidence interval [CI] -0.54 to -0.03, p=0.029). Social risk was associated with lower frequency (interaction p<0.001) and involvement (interaction p=0.05) in community activities for children in the very preterm group only. Parents of children born very preterm perceived more barriers (odds ratio=4.32, 95% CI 1.46-12.77, p=0.008) and environmental factors to be less supportive of participation than parents of controls (difference in medians=-6.21, 95% CI -11.42 to -1.00, p=0.02). INTERPRETATION Children born very preterm may benefit from ongoing support to promote participation, especially in families of higher social risk.
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Non-Invasive Prediction of Invasive Fungal Infection By Plasma-Based Microbial Cell-Free DNA Next-Generation Sequencing in Pediatric Patients with Relapsed or Refractory Leukemia. Transplant Cell Ther 2021. [DOI: 10.1016/s2666-6367(21)00473-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Challenges with strengthening exercises for people with knee osteoarthritis and comorbid obesity: a qualitative study with patients and physiotherapists. Arthritis Care Res (Hoboken) 2020; 74:113-125. [PMID: 32886868 DOI: 10.1002/acr.24439] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 07/22/2020] [Accepted: 08/27/2020] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Explore challenges associated with implementing a home-based strengthening exercise program for people with knee osteoarthritis and comorbid obesity. METHODS Qualitative study embedded within a randomised controlled trial comparing two home-based strengthening programs (weight bearing functional exercise versus non-weight bearing quadriceps strengthening exercise) for people with knee osteoarthritis and comorbid obesity. Patients in both exercise programs attended five consultations with a physiotherapist and undertook a home-based exercise program for 12 weeks. Semi-structured individual telephone interviews were conducted with 22 patients after trial completion, and all seven physiotherapists who delivered trial interventions. Interviews were recorded, transcribed verbatim, and thematically analysed using an inductive approach. RESULTS Three themes arose: i) psychological challenges (false assumptions about exercise; fear of pain; disliking exercise; mental effort of weight bearing functional program; underestimating capability) ii) physical challenges (complexity of weight bearing functional program; cuff weights and straight leg raise problematic in non-weight bearing quadriceps program; other health conditions), and; iii) overcoming challenges (incentives to exercise; accountability; education and reassurance; tailoring the exercise program). CONCLUSION Patients and physiotherapists experienced numerous psychological and physical challenges to exercise, including a fear of pain, having false assumptions about exercise, difficulties with exercise performance, application of cuff weights, and adverse impacts of other health conditions.
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Hip joint kinematics and segment coordination variability according to pain and structural disease severity in hip osteoarthritis. J Orthop Res 2020; 38:1836-1844. [PMID: 31981236 DOI: 10.1002/jor.24609] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 12/12/2019] [Accepted: 01/22/2020] [Indexed: 02/04/2023]
Abstract
This study aimed to evaluate hip joint kinematic variability and segment coordination variability during walking according to pain and radiographic disease severity in people with hip osteoarthritis. Fifty-five participants with hip osteoarthritis had pain severity assessed during walking using an item on the Western Ontario and McMasters Universities Osteoarthritis Index (no pain = 10; mild pain = 28; moderate pain = 17). Radiographic disease severity was graded by Kellgren and Lawrence scale (KL2 = 29; KL3 = 21; KL4 = 5). Hip kinematics variability was estimated as the curve coefficient of variation. Vector coding was used to calculate coordination variability for select joint couplings. One-way analysis of variances with planned adjusted post hoc comparisons were used to compare hip kinematics variability and coordination variability of select segment couplings (pelvis sagittal vs thigh sagittal; pelvis frontal vs thigh frontal; pelvis transverse vs thigh transverse; thigh sagittal vs shank sagittal; thigh frontal vs shank sagittal; thigh transverse vs shank sagittal) according to pain and radiographic disease severity. No main effect of pain severity was observed for sagittal or transverse plane hip kinematic variability (P ≥ .266), and although there was a main effect for frontal plane hip kinematic variability (P = .035), there were no significant differences when comparing between levels of pain severity (P > .006). There was no main effect of radiographic disease severity on hip kinematic variability in the sagittal (P = .539) or frontal (P = .307) plane. No significant differences in coordination of variability of segment couplings were observed (all P ≥ .229). Movement variability as assessed in this study did not differ according to pain severity during walking or radiographic disease severity.
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Maximising efficiency in plastic surgery local anaesthetic lists. J Plast Reconstr Aesthet Surg 2020; 73:e1-e3. [PMID: 32586756 DOI: 10.1016/j.bjps.2020.05.096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 05/09/2020] [Indexed: 10/24/2022]
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Movement-based interventions for preschool-age children with, or at risk of, motor impairment: a systematic review. Dev Med Child Neurol 2020; 62:290-296. [PMID: 31713851 DOI: 10.1111/dmcn.14394] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/10/2019] [Indexed: 12/11/2022]
Abstract
AIM To explore the efficacy of movement-based interventions to improve motor skills in preschool-age children with, or at risk of, motor impairment, including those with a diagnosis of cerebral palsy, autism spectrum disorder, and developmental coordination disorder. METHOD Relevant electronic databases were searched for randomized or quasi-randomized controlled trials. Outcomes were classified using domains of the International Classification of Functioning, Disability and Health: Children & Youth version. Quality was assessed using the Physiotherapy Evidence Database scale. Risk of bias was assessed using the Cochrane Risk of Bias tool. Effect sizes were calculated using Cohen's d. RESULTS Seventeen articles exploring a heterogeneity of intervention types, population groups, and outcome measures met the inclusion criteria. Movement-based interventions did not significantly improve outcomes in either the body structure and function or activity domains in most studies. No studies used a participation outcome measure. INTERPRETATION There is a paucity of evidence exploring movement-based interventions in the preschool-age group. Although movement-based interventions showed potential for improving body structure and function and activity outcomes for children with motor impairment, results were mostly not significant. Small sample sizes, variable study quality, and risk of bias limit confidence in the results. WHAT THIS PAPER ADDS The evidence is inconclusive to support movement-based interventions in this group. No studies used outcome measures assessing participation. Variability in intervention type and study quality limit confidence in results.
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Dance PREEMIE, a Dance PaRticipation intervention for Extremely prEterm children with Motor Impairment at prEschool age: an Australian feasibility trial protocol. BMJ Open 2020; 10:e034256. [PMID: 31988234 PMCID: PMC7044943 DOI: 10.1136/bmjopen-2019-034256] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
INTRODUCTION Children born extremely preterm (EP: <28 weeks gestation) and/or extremely low birth weight (ELBW: <1000 g) are at increased risk of motor impairment compared with children born at term. Children with motor impairment have lower rates of physical activity (PA) participation compared with their typically developing peers. PA participation is an important outcome for children with motor impairment, however, there is limited evidence available to support interventions that improve PA participation in this population. The aim of this study is to assess the feasibility, including the recruitment and retention, acceptability and fidelity, of a preschool dance participation intervention for children born EP/EBLW with motor impairment called Dance PaRticipation intervention for Extremely prEterm children with Motor Impairment at prEschool age. METHODS AND ANALYSIS This feasibility case series trial will recruit EP/ELBW children with motor impairment (n=10) from the Victorian Infant Collaborative Study 2016/2017 cohort, a prospective longitudinal cohort study. Up to 10 community-based dance teachers will be recruited and provided with physiotherapy-led training and support to facilitate the participation of EP/ELBW children in community dance classes. A mixed-methods approach (quantitative and qualitative) will be used to analyse the primary aim, to determine the feasibility of the intervention from the perspectives of families and dance teachers. ETHICS AND DISSEMINATION This study is approved by the Human Research Ethics Committees of The Royal Children's Hospital and The Royal Women's Hospital, Melbourne. Study outcomes will be disseminated through conference presentations, peer-reviewed publications and social media. TRIAL REGISTRATION NUMBER ACTRN12619001266156.
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Where to From Here? Is There a Role for Physical Therapists in Enacting Evidence-Based Guidelines for Weight Loss in Adults With Osteoarthritis Who Are Overweight? Phys Ther 2020; 100:3-7. [PMID: 31596467 DOI: 10.1093/ptj/pzz135] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 06/09/2019] [Accepted: 06/09/2019] [Indexed: 12/29/2022]
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Running-related muscle activation patterns and tibial acceleration across puberty. J Electromyogr Kinesiol 2019; 50:102381. [PMID: 31835135 DOI: 10.1016/j.jelekin.2019.102381] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 11/26/2019] [Accepted: 11/29/2019] [Indexed: 02/05/2023] Open
Abstract
This study examined whether differences exist in tibial acceleration transients and electromyography (EMG) variables during running across female pubertal development. Sixty-four girls classified as pre- (n = 19), early/mid- (n = 22) and late/post-pubertal development (n = 23) ran in a laboratory whilst EMG data were recorded from quadriceps, hamstring and calf muscle groups, and acceleration transients from a triaxial accelerometer. The late/post-pubertal girls exhibited delayed vastus lateralis onset (mean difference (MD) = 0.02, 95% CI = 0.008, 0.34 ms)) compared to pre-pubertal girls, lower vastus lateralis pre-activation (MD = 7.02, 95% CI = 12.63, 1.42%) compared to early/mid-pubertal girls, and longer time to peak (TTP) anterior/posterior (A/P) tibial acceleration compared to pre-pubertal girls (MD = 0.02, 95% CI = 0.006, 0.03 s). By contrast, late/post-pubertal girls demonstrated earlier semitendinosus onset compared to both early/mid- (MD = 0.02, 95% CI = 0.03, 0.005 ms) and pre-pubertal girls (MD = 0.02, 95% CI = 0.04, 0.007 ms). No other between-group differences were found for peak A/P, vertical and TTP vertical tibial acceleration (p > 0.05). Subsequently, regression analysis revealed that EMG variables accounted for approximately 34% (R2 = 0.34) of the variance in TTP A/P tibial acceleration. These findings highlight that neuromuscular recruitment patterns and kinetics differ across female pubertal development while running and should be further explored in the context of adolescent female musculoskeletal injuries.
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Randomised controlled trial of internet-delivered cognitive behaviour therapy for clinical depression and/or anxiety in cancer survivors (iCanADAPT Early). Psychooncology 2019; 29:76-85. [PMID: 31659822 DOI: 10.1002/pon.5267] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 09/26/2019] [Accepted: 10/13/2019] [Indexed: 12/15/2022]
Abstract
PURPOSE To evaluate internet-delivered cognitive behavioural therapy (iCBT) on clinical depression and/or anxiety, distress, fear of cancer recurrence, and quality of life in cancer survivors. METHODS Random assignation of 114 participants to iCBT or treatment-as-usual (TAU). The clinician-supervised iCBT program (iCanADAPT Early) consisted of eight lessons over 16 weeks. Self-report questionnaires occurred at baseline, midpoint, and posttreatment for both groups with 3-month follow-up for iCBT participants. A mixed modelling approach to compare groups occurred. RESULTS iCBT was superior to TAU on all outcome measures at posttreatment. Compared with TAU, the iCBT group showed a significant decrease over time in anxiety and depression symptoms (primary outcome, Hospital Anxiety and Depression Scale, Hedges g = 1.51). Additionally the iCBT group had significantly lower general distress (Kessler-10, g = 1.56), fear of cancer recurrence (Fear of Cancer Recurrence Inventory, g = 0.39), and significantly higher quality of life (Functional Assessment of Cancer Therapy-General, g = 0.74) at posttreatment compared with the TAU group. High adherence and satisfaction were found for iCBT with low clinician time. CONCLUSION Clinician-supervised iCBT has significant benefits for cancer survivors with clinical depression and anxiety disorders.
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A qualitative study exploring the views of individuals with knee osteoarthritis on the role of physiotherapists in weight management: A complex issue requiring a sophisticated skill set. Musculoskeletal Care 2019; 17:206-214. [PMID: 30821904 DOI: 10.1002/msc.1391] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 01/21/2019] [Accepted: 01/22/2019] [Indexed: 06/09/2023]
Abstract
OBJECTIVES The aim of the present study was to explore the attitudes of individuals with knee osteoarthritis (OA) towards the role of physiotherapists in weight management in knee OA. METHODS The study took the form of a qualitative semi-structured telephone interview study. Participants included 13 purposively sampled individuals with symptomatic knee OA who were overweight or obese by body mass index. Each participated in a semi-structured telephone interview exploring their perspectives regarding the potential role of physiotherapists in weight management in knee OA. Data were transcribed and analysed using a thematic approach. RESULTS Three main themes were identified, which highlighted that individuals with knee OA: (a) recognize that weight management is complex; (b) consider that a special skill set is required by clinicians for weight management; and (c) expressed ambivalence towards physiotherapists' role in weight management, with a focus on the role of exercise prescription. CONCLUSIONS Although participants were open to physiotherapists taking on a weight management role within a multidisciplinary team, they were uncertain about whether physiotherapists had the skills and scope of practice needed to address this complex issue. The findings highlight the importance of engagement by physiotherapists in meaningful dialogue with patients, to understand better their experiences, expectations and preferences, and establish if, when and how to integrate patients in weight management discussions in the treatment plan for their knee OA.
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In Theory, Yes; in Practice, Uncertain: A Qualitative Study Exploring Physical Therapists' Attitudes Toward Their Roles in Weight Management for People With Knee Osteoarthritis. Phys Ther 2019; 99:601-611. [PMID: 30715519 DOI: 10.1093/ptj/pzz011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 10/23/2018] [Indexed: 02/09/2023]
Abstract
BACKGROUND Physical therapists are at the frontline of treatment for knee osteoarthritis (OA). International guidelines recommend weight loss for individuals with knee OA who are overweight, and research indicates that patients believe it is appropriate for physical therapists to address weight. OBJECTIVES The objective was to explore physical therapists' attitudes about their role in weight management for people with OA. DESIGN This was a qualitative semistructured telephone interview study. METHODS Participants included 13 purposively sampled physical therapists who had treated at least 1 patient with knee OA within the past 12 months. Each participated in a telephone interview exploring their perceptions and attitudes toward the role of physical therapists in providing weight management support for people with knee OA. Data were analyzed using a thematic approach. RESULTS Three main themes were identified, which highlighted that physical therapists: (1) believe they have a role in facilitating weight loss for people with knee OA; (2) are uncertain how to integrate weight loss into their management; and (3) are conscious of the psychosocial complexities and the need to tread cautiously around weight management. CONCLUSIONS Physical therapists are aware of the importance of weight loss in the management of knee OA, and believe weight management falls within their role and responsibilities; however, they do not feel equipped to fulfill this role. They also acknowledge the weight management conversation as potentially sensitive. This study highlights the need for training opportunities to develop physical therapists' skills and confidence in weight management for people with knee OA who are overweight, including consideration of the potential harms and benefits of this aspect of care.
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Mental Health Diagnoses, Symptoms, and Service Utilization in US Youth with Perinatal HIV Infection or HIV Exposure. AIDS Patient Care STDS 2019; 33:1-13. [PMID: 30601062 DOI: 10.1089/apc.2018.0096] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Youth perinatally HIV infected (PHIV) or HIV exposed, but uninfected (PHEU), are aging into adolescence and adulthood with multiple complex risk factors for mental health (MH) problems and poor MH treatment utilization. Our aims were to estimate prevalence of MH diagnoses, clinically significant symptoms, and MH treatment utilization among youth with PHIV and among PHEU youth, 10-22 years old. We also aimed to identify correlates of diagnoses and treatment utilization. Analyses of data from standardized interviews, behavioral assessments, and chart review of 551 youth revealed that 36% had a previous or current MH diagnosis, with no significant HIV status group differences. Prevalence of clinically significant symptoms was 15% for both groups, of whom a third had no diagnosis, and half were not receiving treatment. Among youth with a current MH diagnosis, those with PHIV had greater utilization of services than PHEU youth (67% vs. 51%; p = 0.04). Factors associated with MH diagnoses and/or treatment utilization included caregiver characteristics, age and sex of child, HIV status, and stressful life events. Prevalence of MH diagnoses was higher than in the general population, but lower than in similar perinatally HIV-exposed cohorts, with some unmet service needs, particularly in PHEU youth. Family characteristics warrant careful consideration in early diagnosis and treatment of MH problems among youth affected by HIV.
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Hip joint moments during walking in people with hip osteoarthritis: a systematic review and meta-analysis. Osteoarthritis Cartilage 2018; 26:1415-1424. [PMID: 29621605 DOI: 10.1016/j.joca.2018.03.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 03/12/2018] [Accepted: 03/22/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This systematic review and meta-analysis investigated surrogate measures of hip joint loading during walking in people with hip osteoarthritis (OA). METHODS Five databases were searched up to January 14th, 2018. Studies that measured hip joint moments in the frontal or sagittal plane during walking in people with hip OA and used either a healthy control group or the unaffected leg to compare hip joint moments were included. Standardised mean differences (SMD) in sagittal and frontal plane moments were pooled as appropriate, using a random effect approach. Methodological quality was assessed using the Downs and Black checklist. RESULTS Thirteen studies with 1,141 participants were eligible and suitable for meta-analyses. Overall, people with hip OA had lower sagittal (SMD -0.55 (95% confidence interval (CI) -1.00 to -0.10) and frontal plane moments (SMD -0.63 (95% CI -0.92, -0.34) compared to controls. However, substantial heterogeneity was observed (I2 ≤ 89%). Results by disease stage suggest that people with end-stage hip OA have lower sagittal (SMD -0.96; -1.30, -0.61; I2 = 69%) and frontal (SMD -1.17; 95% CI -1.71, -0.64; I2 = 85%) plane moments compared to controls. People with less severe hip OA than end-stage disease have comparable sagittal (SMD 0.37; 95% CI -0.17, 0.90; I2 = 69%) and frontal (SMD -0.24; 95% CI -0.76, 0.27; I2 = 51%) plane moments compared to controls. CONCLUSION Hip joint loading may be dependent on disease stage. People with end-stage hip OA under-loaded compared to controls, while those who were not awaiting hip joint replacement had comparable hip joint loads to controls.
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Utilizing Adolescents As Change Agents To Promote Healthy Family Lifestyle Behaviors. J Acad Nutr Diet 2018. [DOI: 10.1016/j.jand.2018.08.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Frontal plane hip joint loading according to pain severity in people with hip osteoarthritis. J Orthop Res 2018; 36:1637-1644. [PMID: 29178297 DOI: 10.1002/jor.23816] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 11/11/2017] [Indexed: 02/04/2023]
Abstract
The primary objective was to examine the hip adduction moment during walking in people with hip osteoarthritis (OA) according to pain severity. Sixty-eight participants with unilateral symptomatic hip OA were included. Pain during walking was assessed on a 5-point Likert item within the Western Ontario and McMaster Universities Index (no pain = 12; mild pain n = 37; moderate pain n = 19). Measures of the external hip adduction moment (peaks, Nm/BW × BH (%) and impulse, Nm.s/BW × BH (%)) were determined. Other measures included frontal plane hip, pelvis and trunk kinematics, walking speed and peak isometric hip abductor strength. Variables were compared according to pain severity using linear models and biomechanical variables were examined. Participants with moderate pain had a significantly higher second peak hip adduction moment and impulse compared to those with less pain. There was no difference in any measure of hip adduction moment between those with mild pain and no pain. There were no differences in kinematics across pain severity categories. Participants with moderate pain had a significantly slower walking speed compared to participants with mild and no pain. Participants with moderate pain had weaker peak isometric hip abductor strength compared to those with mild pain and no pain. The hip adduction moment during walking, hip abduction strength and walking speed differs according to pain severity during walking in people with hip OA. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1637-1644, 2018.
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Gluteal tendinopathy and hip osteoarthritis: Different pathologies, different hip biomechanics. Gait Posture 2018; 61:459-465. [PMID: 29486364 DOI: 10.1016/j.gaitpost.2018.02.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 01/30/2018] [Accepted: 02/11/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Gluteal tendinopathy (GT) and hip osteoarthritis (OA) are the most common causes of hip pain and associated disability in older adults. Pain and altered walking biomechanics are common to both conditions. This study aimed to compare three-dimensional walking biomechanics between individuals with unilateral, symptomatic GT and HOA. METHODS Sixty individuals with symptomatic unilateral GT confirmed by magnetic-resonance-imaging and 73 individuals with symptomatic unilateral HOA (Kellgren-Lawrence Grade ≥ 2) underwent three-dimensional gait analysis. Maximum and minimum values of the external sagittal hip moment, the first peak, second peak and mid-stance minimum of the hip adduction moment (HAM), sagittal plane hip excursion and hip joint angles, pelvic obliquity and trunk lean, at the three HAM time points during stance phase of walking were compared between groups. RESULTS Compared to individuals with HOA, those with GT exhibited a greater hip peak extension moment (P < 0.001) and greater HAM throughout the stance phase of walking (P = 0.01-P < 0.001), greater hip adduction (P < 0.001) and internal rotation (P < 0.01-P < 0.001) angles and lower hip flexion angles and excursion (P = 0.02 - P < 0.001). Individuals with HOA exhibited a greater forward trunk lean (P ≤ 0.001) throughout stance, and greater ipsilateral trunk lean in the frontal plane (P < 0.001) than those with GT. CONCLUSION Despite presence of pain in both conditions, hip kinematics and kinetics differ between individuals with symptomatic unilateral GT and those with symptomatic unilateral HOA. These condition-specific impairments may be targets for optimization of management of HOA and GT.
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Correction to: iCanADAPT early protocol: randomised controlled trial (RCT) of clinician supervised transdiagnostic internet-delivered cognitive behaviour therapy (iCBT) for depression and/or anxiety in early stage cancer survivors -vs- treatment as usual. BMC Cancer 2017; 17:667. [PMID: 28969615 PMCID: PMC5625786 DOI: 10.1186/s12885-017-3655-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 09/25/2017] [Indexed: 11/10/2022] Open
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Hip abductor muscle activity during walking in individuals with gluteal tendinopathy. Scand J Med Sci Sports 2017; 28:686-695. [DOI: 10.1111/sms.12942] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2017] [Indexed: 01/02/2023]
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The Conformational Flexibility of the Acyltransferase from the Disorazole Polyketide Synthase Is Revealed by an X-ray Free-Electron Laser Using a Room-Temperature Sample Delivery Method for Serial Crystallography. Biochemistry 2017; 56:4751-4756. [PMID: 28832129 DOI: 10.1021/acs.biochem.7b00711] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The crystal structure of the trans-acyltransferase (AT) from the disorazole polyketide synthase (PKS) was determined at room temperature to a resolution of 2.5 Å using a new method for the direct delivery of the sample into an X-ray free-electron laser. A novel sample extractor efficiently delivered limited quantities of microcrystals directly from the native crystallization solution into the X-ray beam at room temperature. The AT structure revealed important catalytic features of this core PKS enzyme, including the occurrence of conformational changes around the active site. The implications of these conformational changes for polyketide synthase reaction dynamics are discussed.
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iCanADAPT Early protocol: randomised controlled trial (RCT) of clinician supervised transdiagnostic internet-delivered cognitive behaviour therapy (iCBT) for depression and/or anxiety in early stage cancer survivors -vs- treatment as usual. BMC Cancer 2017; 17:193. [PMID: 28298187 PMCID: PMC5353884 DOI: 10.1186/s12885-017-3182-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 03/08/2017] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND This RCT with two parallel arms will evaluate the efficacy of an internet-delivered transdiagnostic cognitive behavioural therapy (iCBT) intervention for the treatment of clinical depression and/or anxiety in early stage cancer survivors. METHODS/DESIGN Early stage cancer survivors will be recruited via the research arm of a not-for-profit clinical research unit and randomised to an intervention (iCBT) group or a 'treatment as usual' (TAU) control group. The minimum sample size for each group is 45 people (assuming effect size > 0.6, power of 80%, and alpha at .05), but 10% more will be recruited to account for attrition. A solitary or cumulative diagnosis(es) of Major Depressive Episode (current), Generalised Anxiety Disorder, Illness Anxiety Disorder, Panic Disorder, Agoraphobia, and/or Adjustment disorder will be determined using modules from the Anxiety Disorders Interview Schedule for DSM-5. Depression and anxiety levels with be measured via the total score of the Hospital Anxiety and Depression scale (HADS-T), the primary outcome measure. Secondary measures will include the Kessler 10 to measure general distress, the Fear of Cancer Recurrence Inventory (FCRI) to measure the specific fear of cancer recurrence and the Functional Assessment of Cancer Therapy, General Version 4 (FACT-G) for self-report of physical, social, emotional and functional well-being. iCBT participants will complete the measures before lessons 1 and 5, at post-treatment and at 3-month follow-up. The TAU group will complete similar measures at weeks 1, 8 and 16 of the waiting period. Program efficacy will be determined using intent-to-treat mixed models. Maintenance of gains will be assessed at 3-month follow-up. Mediation analyses using PROCESS will be used to examine the association between change in depressive and anxious symptoms over time and changes in FCRI and FACT-G QOL in separate analysis. DISCUSSION This is the first RCT looking at iCBT specifically for clinical depression and/or anxiety in a cancer population. Findings will help to direct the role of iCBT in streamlined psycho-social care pathways. TRIAL REGISTRATION Australian New Zealand Clinical Trials Registry: ACTRN12616000231448, registered 19th February 2016 ( www.anzctr.org.au ). This trial protocol is in compliance with the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) guidelines.
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Single leg stance control & hip abductor strength in individuals with gluteal tendinopathy – Targets for treatment? J Sci Med Sport 2017. [DOI: 10.1016/j.jsams.2017.01.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kinematics and kinetics during stair ascent in individuals with Gluteal Tendinopathy. Clin Biomech (Bristol, Avon) 2016; 40:37-44. [PMID: 27816023 DOI: 10.1016/j.clinbiomech.2016.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 09/27/2016] [Accepted: 10/04/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Individuals with gluteal tendinopathy commonly report lateral hip pain and disability during stair ascent. This study aimed to compare kinematics and kinetics between individuals with and without gluteal tendinopathy during a step up task. METHODS 35 individuals with unilateral gluteal tendinopathy and 35 pain-free controls underwent three-dimensional motion analysis of stance phase during stair ascent. An analysis of covariance was performed to compare hip, pelvis and trunk kinematic and kinetic variables between groups. A K-means cluster analysis was performed to identify subgroups from the entire group (n=70) based on the characteristics of the external hip adduction moment. Finally, a Newcombe-Wilson test was performed to evaluate the relationship between group and cluster codes and a 3×2 ANOVA to investigate the differences in kinematics between groups and cluster codes. FINDINGS Individuals with gluteal tendinopathy exhibited a greater hip adduction moment impulse during stair ascent (ES=0.83), greater internal rotation impulse during the first 50% stance phase (ES=0.63) and greater contralateral trunk lean throughout stance than controls (ranging from ES=0.67-0.93). Three subgroups based on hip adduction moment characteristics were identified. Individuals with GT were 4.5 times more likely to have a hip adduction moment characteristic of a large impulse and greater lateral pelvic translation at heel strike than the subgroup most likely to contain controls. INTERPRETATION Individuals with GT exhibit greater hip adduction moment impulse and alterations in trunk and pelvic kinematics during stair ascent. Findings provide a basis to consider frontal plane trunk and pelvic control in the management of gluteal tendinopathy.
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Single leg stance control in individuals with symptomatic gluteal tendinopathy. Gait Posture 2016; 49:108-113. [PMID: 27395451 DOI: 10.1016/j.gaitpost.2016.06.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 06/06/2016] [Accepted: 06/16/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Lateral hip pain during single leg loading, and hip abductor muscle weakness, are associated with gluteal tendinopathy, but it has not been shown how or whether kinematics in single leg stance differ in those with gluteal tendinopathy. PURPOSE To compare kinematics in preparation for, and during, single leg stance between individuals with and without gluteal tendinopathy, and the effect of hip abductor muscle strength on kinematics. METHODS Twenty individuals with gluteal tendinopathy and 20 age-matched pain-free controls underwent three-dimensional kinematic analysis of single leg stance and maximum isometric hip abductor strength testing. Maximum values of hip adduction, pelvic obliquity (contralateral pelvis rise/drop), lateral pelvic translation (ipsilateral/contralateral shift) and ipsilateral trunk lean during preparation for leg lift and average values in steady single leg stance, were compared between groups using an analysis of covariance, with and without anthropometric characteristics and strength as covariates. RESULTS Individuals with gluteal tendinopathy demonstrated greater hip adduction (standardized mean difference (SMD)=0.70, P=0.04) and ipsilateral pelvic shift (SMD=1.1, P=0.002) in preparation for leg lift, and greater hip adduction (SMD=1.2, P=0.002) and less contralateral pelvic rise (SMD=0.86, P=0.02) in steady single leg stance than controls. When including strength as a covariate, only between-group differences in lateral pelvic shift persisted (SMD=1.7, P=0.01). CONCLUSION Individuals with gluteal tendinopathy use different frontal plane kinematics of the hip and pelvis during single leg stance than pain-free controls. This finding is not influenced by pelvic dimension or the potentially modifiable factor of body mass index, but is by hip abductor muscle weakness.
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Cognitive behavioral therapy improves weight loss and quality of life in women with polycystic ovary syndrome (PCOS). Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Corrigendum to "Kinematics and kinetics during walking in individuals with gluteal tendinopathy" [Clin. Biomech. vol. 32 (February 2016) Pages 56-63]. Clin Biomech (Bristol, Avon) 2016; 36:83. [PMID: 27238380 DOI: 10.1016/j.clinbiomech.2016.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Antiretroviral Drug Resistance Among Children and Youth in the United States With Perinatal HIV. Clin Infect Dis 2016; 63:133-137. [PMID: 27056398 DOI: 10.1093/cid/ciw213] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 03/28/2016] [Indexed: 11/13/2022] Open
Abstract
Among 234 US youths with perinatal human immunodeficiency virus, 75% had antiretroviral resistance, substantially higher than that of the reference laboratory overall (36%-44%). Resistance to newer antiretrovirals and to all antiretrovirals in a class was uncommon. The only factor independently associated with future resistance was a higher peak viral load.
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Abstract P4-01-01: A case series of the Milky Way sign: A diagnostic finding of ductal carcinoma in situ (DCIS) and invasive breast carcinoma (IDC) on digital breast tomosynthesis (DBT). Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p4-01-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose: we have previously described the "Milky Way Sign", which manifests as microcalcifications overlying noncalcified band-like density, best seen in digital breast tomosynthesis (DBT), in a patient with ductal carcinoma in situ (DCIS). Here, we describe a series of patients with DCIS, IDC, and rarely, Atypical Ductal Hyperplasia (ADH) with this sign.
Materials and Methods: we performed a systemic search of all stereotactic core biopsies for suspicious calcifications performed at our institution from April 15, 2014, when we first implemented DBT with synthesized 2D mammogram, to October 2, 2014, and identified all cases that were diagnosed as DCIS, IDC, or high-risk lesions (such as ADH, atypical lobular hyperplasia (ALH), and intraductal papilloma) on pathology. From 89 biopsied performed in 87 patients, a total of 13 cases of DCIS, IDC, or IDC with DCIS were identified in 12 patients. 17 cases of high-risk lesions were identified in 16 patients, including 10 ADH in 9 patients, 4 ALH, two intraductal papillomas, and one atypical columnar cell change.
Results: Among the 30 cases of suspicious calcifications with a diagnosis of DCIS, IDC, or high-risk lesions, 37% demonstrated the Milky Way Sign (11/30), including 71% of DCIS cases (5/7), 60% of cases of IDC (3/5), 100% of DCIS/IDC (1/1), and 12% of high-risk lesions (2/17). Both high-risk lesions with the Milky Way sign were ADH from the same patient. Among the 11 cases with the Milky Way sign, the breast density at the site of calcifications is either scattered (6/11) or heterogeneously dense (5/11), whereas the density at 1 cm surrounding the calcifications is either fatty (8/11) or scattered (3/11). The breast is less dense surrounding the calcifications in all but one case. The calcifications seen in the Milky Way cases are predominantly fine pleomorphic calcifications except one case of fine linear and linear branching calcifications. The calcifications are grouped (6/11), linear (3/11), or segmental (2/11) in distribution. Five patients also had contrast-enhanced breast MRIs. Among them, three (one each with the diagnosis of DCIS, IDC or DCIS/IDC) had non-mass enhancement on breast MRI that correlated to the Milky Way sign seen on mammogram. The other two patients (one with DCIS and one with IDC) had post biopsy change instead of Non-mass enhancement were seen in the corresponding areas.
Conclusion: The Milky Way sign, in the context of DBT, is a novel diagnostic sign for both DCIS and IDC. It may occasionally be seen in ADH cases as well. Features that often associate with the Milky Way sign include less dense tissue surrounding the calcifications, calcifications that are fine pleomorphic in morphology and grouped or linear in distribution. Preliminary results also suggest that the Milky Way sign may correspond to non-mass enhancement seen on contrast-enhanced breast MRI.
Clinical Relevance Statement: We hope that the Milky Way sign will facilitate detection of both DCIS and IDC in the context of DBT.
Citation Format: Allison K, Xu Y, Liu YI, Miyake KK, Downey JR, Lipson JA, Ikeda DM. A case series of the Milky Way sign: A diagnostic finding of ductal carcinoma in situ (DCIS) and invasive breast carcinoma (IDC) on digital breast tomosynthesis (DBT). [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P4-01-01.
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Kinematics and kinetics during walking in individuals with gluteal tendinopathy. Clin Biomech (Bristol, Avon) 2016; 32:56-63. [PMID: 26827150 DOI: 10.1016/j.clinbiomech.2016.01.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 01/07/2016] [Accepted: 01/07/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Lateral hip pain during walking is a feature of gluteal tendinopathy but little is known how walking biomechanics differ in individuals with gluteal tendinopathy. This study aimed to compare walking kinematics and kinetics between individuals with and without gluteal tendinopathy. METHODS Three-dimensional walking-gait analysis was conducted on 40 individuals aged 35 to 70 years with unilateral gluteal tendinopathy and 40 pain-free controls. An analysis of covariance was used to compare kinematic and kinetic variables between groups. Linear regression was performed to investigate the relationship between kinematics and external hip adduction moment in the gluteal tendinopathy group. FINDINGS Individuals with gluteal tendinopathy demonstrated a greater hip adduction moment throughout stance than controls (standardized mean difference ranging from 0.60 (first peak moment) to 0.90 (second peak moment)). Contralateral trunk lean at the time of the first peak hip adduction moment was 1.2 degrees greater (P=0.04), and pelvic drop at the second peak hip adduction moment 1.4 degrees greater (P=0.04), in individuals with gluteal tendinopathy. Two opposite trunk and pelvic strategies were also identified within the gluteal tendinopathy group. Contralateral pelvic drop was significantly correlated with the first (R=0.35) and second peak (R=0.57) hip adduction moment, and hip adduction angle with the second peak hip adduction moment (R=-0.36) in those with gluteal tendinopathy. INTERPRETATION Individuals with gluteal tendinopathy exhibit greater hip adduction moments and alterations in trunk and pelvic kinematics during walking. Findings provide a basis to consider frontal plane pelvic control in the management of gluteal tendinopathy.
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Prevalence and Persistence of Varicella Antibodies in Previously Immunized Children and Youth With Perinatal HIV-1 Infection. Clin Infect Dis 2015; 62:106-114. [PMID: 26385992 DOI: 10.1093/cid/civ734] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 08/11/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Two doses of live-attenuated varicella-zoster vaccine are recommended for human immunodeficiency virus 1 (HIV-1)-infected children with CD4% ≥ 15%. We determined the prevalence and persistence of antibody in immunized children with perinatal HIV (PHIV) and their association with number of vaccinations, combination antiretroviral therapy (cART), and HIV status. METHODS The Adolescent Master Protocol is an observational study of children with PHIV and perinatally HIV-exposed but uninfected (PHEU) children conducted at 15 US sites. In a cross-sectional analysis, we tested participants' most recent stored sera for varicella antibody using whole-cell and glycoprotein enzyme-linked immunosorbent assay. Seropositivity predictors were identified using multivariable logistic regression models and C statistics. RESULTS Samples were available for 432 children with PHIV and 221 PHEU children; 82% of children with PHIV and 97% of PHEU children were seropositive (P < .001). Seropositivity after 1 vaccine dose among children with PHIV and PHEU children was 100% at <3 years (both), 73% and 100% at 3-<7 years (P < .05), and 77% and 97% at ≥ 7 years (P < .01), respectively. Seropositivity among recipients of 2 vaccine doses was >94% at all intervals. Independent predictors of seropositivity among children with PHIV were receipt of 2 vaccine doses, receipt of 1 dose while on ≥ 3 months of cART, compared with none (adjusted odds ratio [aOR]: 14.0 and 2.8, respectively; P < .001 for overall dose effect), and in those vaccinated ≥ 3 years previously, duration of cART (aOR: 1.29 per year increase, P = .02). CONCLUSIONS Humoral immune responses to varicella vaccine are best achieved when children with PHIV receive their first dose ≥ 3 months after cART initiation and maintained by completion of the 2-dose series and long-term cART use.
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Monitoring Central Venous Catheter Resistance to Predict Imminent Occlusion: A Prospective Pilot Study. PLoS One 2015; 10:e0135904. [PMID: 26322512 PMCID: PMC4555832 DOI: 10.1371/journal.pone.0135904] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Accepted: 07/27/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Long-term central venous catheters are essential for the management of chronic medical conditions, including childhood cancer. Catheter occlusion is associated with an increased risk of subsequent complications, including bloodstream infection, venous thrombosis, and catheter fracture. Therefore, predicting and pre-emptively treating occlusions should prevent complications, but no method for predicting such occlusions has been developed. METHODS We conducted a prospective trial to determine the feasibility, acceptability, and efficacy of catheter-resistance monitoring, a novel approach to predicting central venous catheter occlusion in pediatric patients. Participants who had tunneled catheters and were receiving treatment for cancer or undergoing hematopoietic stem cell transplantation underwent weekly catheter-resistance monitoring for up to 12 weeks. Resistance was assessed by measuring the inline pressure at multiple flow-rates via a syringe pump system fitted with a pressure-sensing transducer. When turbulent flow through the device was evident, resistance was not estimated, and the result was noted as "non-laminar." RESULTS Ten patients attended 113 catheter-resistance monitoring visits. Elevated catheter resistance (>8.8% increase) was strongly associated with the subsequent development of acute catheter occlusion within 10 days (odds ratio = 6.2; 95% confidence interval, 1.8-21.5; p <0.01; sensitivity, 75%; specificity, 67%). A combined prediction model comprising either change in resistance greater than 8.8% or a non-laminar result predicted subsequent occlusion (odds ratio = 6.8; 95% confidence interval, 2.0-22.8; p = 0.002; sensitivity, 80%; specificity, 63%). Participants rated catheter-resistance monitoring as highly acceptable. CONCLUSIONS In this pediatric hematology and oncology population, catheter-resistance monitoring is feasible, acceptable, and predicts imminent catheter occlusion. Larger studies are required to validate these findings, assess the predictive value for other clinical outcomes, and determine the impact of pre-emptive therapy. TRIAL REGISTRATION Clinicaltrials.gov NCT01737554.
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Sendai virus is a safe and immunogenic Jennerian vaccine for human parainfluenza virus-type 1 in 3-6 year old children (VAC8P.1053). THE JOURNAL OF IMMUNOLOGY 2015. [DOI: 10.4049/jimmunol.194.supp.144.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Abstract
Human parainfluenza viruses are responsible for tens of thousands of hospitalizations and hundreds of thousands of emergency room visits each year in the United States. Included in this group of viruses is human parainfluenza virus-type 1 (hPIV-1), the main causative agent of laryngotracheobronchitis (croup) in young children, for which there is currently no licensed vaccine. In response to this need, we have developed a Jennerian vaccine that employs the use of murine PIV-1 (Sendai virus, SeV) to produce cross-reactive antibodies towards hPIV-1. The vaccine was administered as a single intranasal dose to healthy, hPIV-1 seropositive, 3-6 year old children in a dose escalation study (5 x 105, 5 x 106 or 5 x 107 EID50). Importantly, the vaccine was well tolerated by all participants. No replication of the viral vaccine was detected in the airway of any participant. Within four weeks of vaccination, most participants showed an increase in binding and neutralizing antibodies towards hPIV-1. For several participants, antibody responses remained elevated at six months post-vaccination. The results of this study suggest that hPIV-1 vaccination may be beneficial to boost immunity in seropositive children, and encourage testing of the vaccine in young, seronegative children who are most at risk for respiratory virus disease.
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Longitudinal analysis of cancer-associated biomarkers within weight loss intervention for endometrial cancer survivors with obesity. Gynecol Oncol 2015. [DOI: 10.1016/j.ygyno.2015.01.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Reproductive functioning after surgical and non-surgical weight loss: stable ovarian reserve and improved sexual functioning at 12 month follow up. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.859] [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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10 Hip Abductor Strength In Individuals With Gluteal Tendinopathy: A Cross-sectional Study: Abstract 10 Table 1. Br J Sports Med 2014. [DOI: 10.1136/bjsports-2014-094114.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Abstract
OBJECTIVE To assess current acute wound management in English emergency departments. METHOD All English emergency departments including minor injury units (n=207) were successfully contacted and a telephone questionnaire was completed. This considered wound treatment policy; management including cleansing, analgesia, dressing selection, suturing, referral patterns, medical photography and antibiotic use. RESULTS There was a 100% response. Only 40% of departments had a wound treatment policy. Most had implemented staff training, however the nature and timing of this was variable. Wound cleansing was performed by all departments. Most administered analgesia. Suturing was selectively performed by all departments. There was great diversity regarding dressing selection. The most common reasons for referral to specialist units were the complexity of injury and cosmetically sensitive areas. Photographs were regularly taken in one third of units questioned. CONCLUSION This study confirmed an absence of a standard protocol for early soft tissue wound management in the emergency department setting. Key areas that could be improved are dressing simplification, more defined referral criteria and introduction of standardised protocols with structured teaching programmes. We propose a simple approach to management of acute soft tissue wounds that can be applied to most situations. DECLARATION OF INTEREST There were no external sources of funding for this study. The authors have no conflicts of interest to declare.
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Follicular hyperplasia -- a rare differential to metastatic malignant melanoma. J Plast Reconstr Aesthet Surg 2012; 65:e121-3. [PMID: 22336186 DOI: 10.1016/j.bjps.2011.12.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 12/01/2011] [Accepted: 12/22/2011] [Indexed: 11/25/2022]
Abstract
The assumption in a patient with a history of melanoma is that any subsequent lymphadenopathy is metastatic disease. We present a case where a seemingly obvious case of metastatic malignant melanoma proved to be Reactive Follicular Hyperplasia, illustrating it is important to be aware of all differential diagnoses, even when a cause appears obvious.
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Metabolic abnormalities and viral replication are associated with biomarkers of vascular dysfunction in HIV-infected children. HIV Med 2011; 13:264-75. [PMID: 22136114 DOI: 10.1111/j.1468-1293.2011.00970.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/13/2011] [Indexed: 01/07/2023]
Abstract
OBJECTIVES HIV-infected children may be at risk for premature cardiovascular disease. We compared levels of biomarkers of vascular dysfunction in HIV-infected children (with and without hyperlipidaemia) with those in HIV-exposed, uninfected (HEU) children enrolled in the Pediatric HIV/AIDS Cohort Study (PHACS), and determined factors associated with these biomarkers. METHODS A prospective cohort study was carried out. Biomarkers of inflammation [C-reactive protein (CRP), interleukin-6 (IL-6) and monocyte chemoattractant protein-1 (MCP1)], coagulant dysfunction (fibrinogen and P-selectin), endothelial dysfunction [soluble intracellular cell adhesion molecule-1 (sICAM), soluble vascular cell adhesion molecule-1 (sVCAM) and E-selectin], and metabolic dysfunction (adiponectin) were measured in 226 HIV-infected and 140 HEU children. Anthropometry, body composition, lipids, glucose, insulin, HIV disease severity, and antiretroviral therapy were recorded. RESULTS The median ages of the children were 12.3 years in the HIV-infected group and 10.1 years in the HEU group. Body mass index (BMI) z-scores, waist and hip circumferences, and percentage body fat were lower in the HIV-infected children. Total and non-high-density lipoprotein (HDL) cholesterol and triglycerides were higher in HIV-infected children. HIV-infected children also had higher MCP-1, fibrinogen, sICAM and sVCAM levels. In multivariable analyses in the HIV-infected children alone, BMI z-score was associated with higher CRP and fibrinogen, but lower MCP-1 and sVCAM. Unfavourable lipid profiles were positively associated with IL-6, MCP-1, fibrinogen, and P- and E-selectin, whereas increased HIV viral load was associated with markers of inflammation (MCP-1 and CRP) and endothelial dysfunction (sICAM and sVCAM). CONCLUSIONS HIV-infected children have higher levels of biomarkers of vascular dysfunction than do HEU children. Risk factors associated with higher biomarkers include unfavourable lipid levels and active HIV replication.
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Equine anthelmintics: survey of the patterns of use, beliefs and attitudes among horse owners in the UK. Vet Rec 2011; 168:483. [PMID: 21502196 DOI: 10.1136/vr.d731] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
An online survey was conducted to establish horse owners' beliefs, attitudes and practices relating to the use of anthelmintic drugs. Out of a total of 574 respondents, 89 per cent described themselves as 'leisure riders', most of whom took part in a variety of activities including eventing, show jumping, dressage, hunter trials, hunting, driving, endurance and showing. Overall, respondents were generally aware and concerned about the issue of anthelmintic resistance. Less than 60 per cent of all respondents were comfortable with their existing anthelmintic programme, and 25 per cent would like to reduce the use of anthelmintics in their horses. Of all the respondents, 47 per cent used livery, and 49 per cent of those reported that the livery imposed a common anthelmintic programme for horses kept on the premises; 45 per cent of these respondents were not entirely happy with the livery yard's programme. Less than 50 per cent of all respondents included 'veterinary surgeon' among their sources of advice on worming.
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