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Search Results: 1 - 10 of 12137 matches for " Stephen Timmons "
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Fallible humans in resuscitation
Stephen Timmons
E? : Revista de Humanidades Médicas & Estudios Sociales de la Ciencia y la Tecnología , 2011,
Abstract: Using an actor-network theory approach, this paper analyses two technologies used in resuscitation medicine to try to improve outcomes from cardiopulmonary resuscitation, which remain an ongoing disappointment to resuscitation practitioners. The technologies are mechanical chest compression, and the use of automatic external defibrillators in hospital. In both cases, the actor network that performs resuscitation is being rebalanced away from humans and in favour of machines. Despite these efforts, outcomes from resuscitation continue to be worse than resuscitation medicine would like. This paper analyzes why there has been such persistence (in one of the cases for over 40 years) with apparently 'failed' technologies, concluding that it is a way of ensuring medical control over the process.
This consumer good could save your life: The defibrillator at home
Stephen Timmons,Russell Harrison-Paul,Brian Crosbie
E? : Revista de Humanidades Médicas & Estudios Sociales de la Ciencia y la Tecnología , 2010,
Abstract: In the UK, it has recently become possible for the Automatic External Defibrillator (AED), a device that can treat a heart attack, to be sold direct to members of the public, for use at home. This is a significant development, in so far as it prefigures a wider direction for medical technology to be marketed to consumers, rather than being mediated by the medical profession or hospitals. Using insights from Science and Technology Studies, and the sociology of consumption, this paper reports on a qualitative study of UK consumers who have bought an AED. The AED has multiple meanings for the people who have bought one, displaying a rich variety of symbolic resonances, and articulating ideas about community and consumption.
Accelerometry: A Feasible Method to Quantify Physical Activity in Ambulatory and Nonambulatory Adolescents with Cerebral Palsy
Jan Willem Gorter,Stephen G. Noorduyn,Joyce Obeid,Brian W. Timmons
International Journal of Pediatrics , 2012, DOI: 10.1155/2012/329284
Abstract: Objective. To determine the feasibility of physical activity monitoring in adolescents with cerebral palsy (CP). Methods. A convenience sample of ambulatory and non-ambulatory adolescents (=23; 17 males, 6 females; mean age 13.5 y, SD 2.6 y; Gross Motor Function Classification System (GMFCS) distribution: =9 Level I, =5 Level II, =5 Level III, =4 Level IV) was recruited. Physical activity (PA) was objectively assessed using the ActiGraph GT1M activity monitor. Discomfort or adverse effects of wearing the accelerometers were recorded by participants. Levels of physical activity were determined as total PA, light PA (LPA), moderate PA (MPA), moderate-to-vigorous (MVPA), and vigorous PA (VPA) using cut-points recently validated for CP. Results. Most participants showed little reluctance. Mean daily MVPA for all participants was 30.7 minutes (SD 30.3), which corresponded to 2.7 (SD 2.4) minutes of MVPA per hour or 4.5% (SD 3.9) of the total monitoring time. Total PA and MVPA were greatest in ambulatory youth (GMFCS levels I and II) compared with youth who use a walking aid or wheelchair (GMFCS levels III and IV) (<0.05). Conclusion(s). The results support the use of the accelerometer as a feasible and useful measure of activity in ambulatory and nonambulatory adolescents with CP.
Accelerometry: A Feasible Method to Quantify Physical Activity in Ambulatory and Nonambulatory Adolescents with Cerebral Palsy
Jan Willem Gorter,Stephen G. Noorduyn,Joyce Obeid,Brian W. Timmons
International Journal of Pediatrics , 2012, DOI: 10.1155/2012/329284
Abstract: Objective. To determine the feasibility of physical activity monitoring in adolescents with cerebral palsy (CP). Methods. A convenience sample of ambulatory and non-ambulatory adolescents ( ; 17 males, 6 females; mean age 13.5?y, SD 2.6?y; Gross Motor Function Classification System (GMFCS) distribution: Level I, Level II, Level III, Level IV) was recruited. Physical activity (PA) was objectively assessed using the ActiGraph GT1M activity monitor. Discomfort or adverse effects of wearing the accelerometers were recorded by participants. Levels of physical activity were determined as total PA, light PA (LPA), moderate PA (MPA), moderate-to-vigorous (MVPA), and vigorous PA (VPA) using cut-points recently validated for CP. Results. Most participants showed little reluctance. Mean daily MVPA for all participants was 30.7 minutes (SD 30.3), which corresponded to 2.7 (SD 2.4) minutes of MVPA per hour or 4.5% (SD 3.9) of the total monitoring time. Total PA and MVPA were greatest in ambulatory youth (GMFCS levels I and II) compared with youth who use a walking aid or wheelchair (GMFCS levels III and IV) ( ). Conclusion(s). The results support the use of the accelerometer as a feasible and useful measure of activity in ambulatory and nonambulatory adolescents with CP. 1. Introduction Impaired motor function is the hallmark of cerebral palsy (CP). As a result, children and adolescents with CP are at particular risk for inactivity and the associated negative health impacts (e.g., obesity with exacerbated cardiovascular dysfunction) [1–3]. Not surprisingly, physical activity for children and adolescents with CP is commonly prescribed in clinical practice [4]. However, recent intervention studies have not been able to show a sustained increased activity level in the home, school, or community settings [5, 6]. We are currently designing the Stay-FIT intervention study to implement and evaluate a community-delivered physical activity programme for youth with CP across the severity spectrum [7]. This intervention study is part of a translational research programme focusing on physical activity in individuals with CP (http://www.canchild.ca/en/ourresearch/stay_fit.asp). The Stay-FIT programme will examine issues of physical activity covering several domains described by the World Health Organization’s International Classification of Functioning (ICF) [8], ranging from cardiovascular function and structure [9] to performance in physical activity. This programme reflects the recent paradigm shift in therapy for youth with CP by using physical activity as both the focus of
Primary Brain Tumours – Everything a Medical Student Needs to Know
Joseph Timmons
Scottish Universities Medical Journal , 2012,
Abstract: A brain tumour is an illness that inspires fear and foreboding in the general population. They can strike at any age and can often have devastating consequences. They are however relatively uncommon and perhaps this is why many undergraduate medical students do not have much in depth teaching in this area. In this review, we will consider all that an undergraduate student needs to know to have a good understanding of this complex and varied pathology.
Searching for Sterile Neutrinos at MINOS
Ashley Timmons
Physics , 2015,
Abstract: MINOS is a two-detector on-axis experiment based at Fermilab. The NuMI neutrino beam encounters the MINOS Near Detector 1 km downstream before travelling 734 km through the Earth's crust, to reach the Far Detector located at the Soudan Underground Laboratory in Northern Minnesota. By searching for oscillations driven by a large mass splitting, MINOS is sensitive to the existence of sterile neutrinos. This poster will present results of a search for sterile neutrinos that is sensitive to the parameter space suggested by LSND and MiniBooNE. Both charged current numu and neutral current neutrino interactions are analysed in a 3+1 model. This MINOS search for numu disappearance complements other previous experimental searches for sterile neutrinos in the numu to nue appearance channel.
The Results of MINOS and the Future with MINOS+
Ashley Timmons
Physics , 2015,
Abstract: The MINOS experiment took data from 2005 up until 2012. This was superseded by MINOS+, the continuation of the two-detector, on-axis, long-baseline experiment based at Fermilab, and at the Soudan Underground Laboratory in northern Minnesota. By searching for the deficit of muon neutrinos at the Far Detector, MINOS/MINOS+ is sensitive to the atmospheric neutrino oscillation parameters $\Delta m^{2}_{32}$ and $\theta_{23}$. By using the full MINOS data set looking at both \numu disappearance and \nue appearance in both neutrino and anti-neutrino configurations at the NuMI beam along with atmospheric neutrino data recorded at the FD, MINOS has made the most precise measurement of $\Delta m^{2}_{32}$. Using a full three-flavour framework and searching for \nue appearance MINOS/MINOS+ gains sensitivity to $\theta_{13}$, the mass hierarchy and the octant of $\theta_{23}$. Exotic phenomenon is also explored with the MINOS detectors looking for non-standard interactions and sterile neutrinos. The current MINOS+ era goals are to build on the previous MINOS results improving the precision on the three-flavour oscillation parameter measurements and strengthening the constraints placed on the sterile neutrino parameter space.
Upper and lower bounds on $B_k^+$-sets
Craig Timmons
Mathematics , 2013,
Abstract: Let $G$ be an abelian group. A set $A \subset G$ is a \emph{$B_k^+$-set} if whenever $a_1 + \dots + a_k = b_1 + \dots + b_k$ with $a_i, b_j \in A$ there is an $i$ and a $j$ such that $a_i = b_j$. If $A$ is a $B_k$-set then it is also a $B_k^+$-set but the converse is not true in general. Determining the largest size of a $B_k$-set in the interval $\{1, 2, \dots, N \} \subset \integers$ or in the cyclic group $\integers_N$ is a well studied problem. In this paper we investigate the corresponding problem for $B_k^+$-sets. We prove non-trivial upper bounds on the maximum size of a $B_k^+$-set contained in the interval $\{1, 2, \dots, N \}$. For odd $k \geq 3$, we construct $B_k^+$-sets that have more elements than the $B_k$-sets constructed by Bose and Chowla. We prove a $B_3^+$-set $A \subset \integers_N$ has at most $(1 + o(1))(8N)^{1/3}$ elements. Finally we obtain new upper bounds on the maximum size of a $B_k^*$-set $A \subset \{1,2, \dots, N \}$, a problem first investigated by Ruzsa.
PHMB: Utilización del apósito de espuma antimicrobiana (AMD) KendallTM (PHMB 0,5%) en el tratamiento de las heridas crónicas
Timmons,John; Leak,Kathy;
Gerokomos , 2010, DOI: 10.4321/S1134-928X2010000100006
Abstract: the most troublesome part of wound healing according to the care practitioners is the wound infection. the presence of excess bacteria in the wound can lead to delayed healing that lead to a reduced quality of life for the patient due to increased pain, higher exudates levels and potential malodor. the following patient case report have been collated over the past six months in a specialist wound care clinic in doncaster and bassetlaw, uk. these cases illustrate the range of wound types that have been successfully treated with the new kendalltm amd antimicrobial foam dressing (phmb 0,5%). the conclusion was that kendalltm amd foam dressing functions well as an antimicrobial and a modern wound dressing product. this resulted in consistent lowering of the wound bioburden, absorption of exudates and maintenance of an optimal wound healing environment.
PHMB: Utilización del apósito de espuma antimicrobiana (AMD) KendallTM (PHMB 0,5%) en el tratamiento de las heridas crónicas PHMB: The role ok KendallTM AMD Antimicrobial Foam Dressing (0.5% PHMB) in the treatment of wounds
John Timmons,Kathy Leak
Gerokomos , 2010,
Abstract: Abordamos la parte más problemática del tratamiento de las heridas crónicas o agudas, de acuerdo con los profesionales especializados es la infección de la herida. La sobrecarga bacteriana puede retardar la curación de la herida y disminuir la calidad del paciente como consecuencia del aumento del dolor, del exudado y del posible mal olor. Se han recopilado casos clínicos durante los últimos 6 meses en una unidad especializada en el cuidado de heridas de los hospitales Doncaster y Bassetlaw, RU. Estos casos ilustran la variedad de tipos de herida que pueden tratarse con éxito con el nuevo apósito de Espuma antimicrobiano KendallTM AMD (PHMB 0,5%). Se pudo concluir que el apósito de Espuma KendallTM AMD actúa bien como antimicrobiano y como producto de vendaje moderno. Su utilización disminuye la carga bacteriana al tiempo que consigue la absorción del exudado y el mantenimiento de un ambiente óptimo para la curación de la herida. The most troublesome part of wound healing according to the care practitioners is the Wound infection. The presence of excess bacteria in the wound can lead to delayed healing that lead to a reduced quality of life for the patient due to increased pain, higher exudates levels and potential malodor. The following patient case report have been collated over the past six months in a specialist wound care clinic in Doncaster and Bassetlaw, UK. These cases illustrate the range of wound types that have been successfully treated with the new KendallTM AMD Antimicrobial Foam dressing (PHMB 0,5%). The conclusion was that KendallTM AMD Foam dressing functions well as an antimicrobial and a modern wound dressing product. This resulted in consistent lowering of the wound bioburden, absorption of exudates and maintenance of an optimal wound healing environment.
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