21 research outputs found
Villa Voortman : carte blanche or not?
Purpose - Influenced by evolutions in mental health, a meeting house, "Villa Voortman", was recently developed. It is based on an integration of therapeutic community (TC) and psychoanalytical Lacanian thinking. The purpose of this paper is to investigate the position of Villa Voortman in the treatment continuum for dually diagnosed clients. Two research questions are addressed: how does Villa Voortman operate ? and how do clients perceive the Villa?
Design/methodology/approach - The first question was tackled by a personal account of the founders of Villa Voortman. The second question was addressed by a qualitative study using video-material of 19 visitors' personal accounts.
Findings - The visitors mentioned three themes: social inclusion, personal development and equality. These aspects are further refined into sub-themes including the provision of "asylum"; the instalment of a warm and welcoming atmosphere; the focus on real human encounter; a permissive, supportive and "waiting" environment; a minimal but "good enough" structure; the necessity of a place where persons can develop themselves; the striving for social inclusion and future perspectives; and the support in becoming inclusive citizens again.
Originality/value - The value of the paper lies in disclosing the visitors' lived experience. This is an essential part of shedding light on the "active ingredients" of support, In reference to the title, visitors nor treatment staff have "carte blanche" with regard to how support develops, as this is driven by the dialectal course of everything that occurs during the support process
The effect of experimental low back pain on lumbar muscle activity in people with a history of clinical low back pain: a muscle functional MRI study
In people with a history of low back pain (LBP), structural and functional alterations have been observed at several peripheral and central levels of the sensorimotor pathway. These existing alterations might interact with the way the sensorimotor system responds to pain. We examined this assumption by evaluating the lumbar motor responses to experimental nociceptive input of 15 participants during remission of unilateral recurrent LBP. Quantitative T2 images (muscle functional MRI) were taken bilaterally of multifidus, erector spinae, and psoas at several segmental levels (L3 upper and L4 upper and lower endplate) and during several conditions: 1) at rest, 2) upon trunk-extension exercise without pain, and 3) upon trunk-extension exercise with experimental induced pain at the clinical pain-side (1.5-ml intramuscular hypertonic saline injections in erector spinae). Following experimental pain induction, muscle activity levels similarly reduced for all three muscles, on both painful and nonpainful sides, and at multiple segmental levels (P = 0.038). Pain intensity and localization from experimental LBP were similar as during recalled clinical LBP episodes. In conclusion, unilateral and unisegmental experimental LBP exerts a generalized and widespread decrease in lumbar muscle activity during remission of recurrent LBP. This muscle response is consistent with previous observed patterns in healthy people subjected to the same experimental pain paradigm. It is striking that similar inhibitory patterns in response to pain could be observed, despite the presence of preexisting alterations in the lumbar musculature during remission of recurrent LBP. These results suggest that motor output can modify along the course of recurrent LBP
Posterior muscle chain activity during various extension exercises: An observational study
Background: Back extension exercises are often used in the rehabilitation of low back pain. However, at present it is not clear how the posterior muscles are recruited during different types of extension exercises. Therefore, the present study will evaluate the myoelectric activity of thoracic, lumbar and hip extensor muscles during different extension exercises in healthy persons. Based on these physiological observations we will make recommendations regarding the use of extensions exercises in clinical practice. Methods. Fourteen healthy subjects performed four standardized extension exercises (dynamic trunk extension, dynamic-static trunk extension, dynamic leg extension, dynamic-static leg extension) in randomized order at an intensity of 60% of 1-RM (one repetition maximum). Surface EMG signals of Latissimus dorsi (LD), Longissimus thoracis pars thoracic (LTT) and lumborum (LTL), Iliocostalis lumborum pars thoracic (ILT) and lumborum (ILL), lumbar Multifidus (LM) and Gluteus Maximus (GM) were measured during the various exercises. Subsequently, EMG root mean square values were calculated and compared between trunk and leg extension exercises, as well as between a dynamic and dynamic-static performance using mixed model analysis. During the dynamic exercises a 2 second concentric contraction was followed by a 2 second eccentric contraction, whereas in the dynamic-static performance, a 5 second isometric interval was added in between the concentric and eccentric contraction phase. Results: In general, the muscles of the posterior chain were recruited on a higher level during trunk extension (mean ± SD, 56.6 ± 30.8%MVC) compared to leg extension (47.4 ± 30.3%MVC) (p ≤ 0.001). No significant differences were found in mean muscle activity between dynamic and dynamic-static performances (p = 0.053). The thoracic muscles (LTT and ILT) were recruited more during trunk extension (64.9 ± 27.1%MVC) than during leg extension (54.2 ± 22.1%MVC) (p = 0.045) without significant differences in activity between both muscles (p = 0.138). There was no significant differences in thoracic muscle usage between the dynamic or dynamic-static performance of the extension exercises (p = 0.574).Lumbar muscle activity (LTT, ILL, LM) was higher during trunk extension (70.6 ± 22.2%MVC) compared to leg extension (61.7 ± 27.0%MVC) (p = 0.047). No differences in myoelectric activity between the lumbar muscles could be demonstrated during the extension exercises (p = 0.574). During each exercise the LD (19.2 ± 13.9%MVC) and GM (28.2 ± 14.6%MVC) were recruited significantly less than the thoracic and lumbar muscles. Conclusion: The recruitment of the posterior muscle chain during different types of extension exercises was influenced by the moving body part, but not by the type of contraction. All muscle groups were activated at a higher degree during trunk extension compared to leg extension. Based on the recruitment level of the different muscles, all exercises can be used to improve the endurance capacity of thoracic muscles, however for improvement of lumbar muscle endurance leg extension exercises seem to be more appropriate. To train the endurance capacity of the LD and GM extension exercises are not appropriate
EuReCa ONE—27 Nations, ONE Europe, ONE Registry A prospective one month analysis of out-of-hospital cardiac arrest outcomes in 27 countries in Europe
AbstractIntroductionThe aim of the EuReCa ONE study was to determine the incidence, process, and outcome for out of hospital cardiac arrest (OHCA) throughout Europe.MethodsThis was an international, prospective, multi-centre one-month study. Patients who suffered an OHCA during October 2014 who were attended and/or treated by an Emergency Medical Service (EMS) were eligible for inclusion in the study. Data were extracted from national, regional or local registries.ResultsData on 10,682 confirmed OHCAs from 248 regions in 27 countries, covering an estimated population of 174 million. In 7146 (66%) cases, CPR was started by a bystander or by the EMS. The incidence of CPR attempts ranged from 19.0 to 104.0 per 100,000 population per year. 1735 had ROSC on arrival at hospital (25.2%), Overall, 662/6414 (10.3%) in all cases with CPR attempted survived for at least 30 days or to hospital discharge.ConclusionThe results of EuReCa ONE highlight that OHCA is still a major public health problem accounting for a substantial number of deaths in Europe.EuReCa ONE very clearly demonstrates marked differences in the processes for data collection and reported outcomes following OHCA all over Europe. Using these data and analyses, different countries, regions, systems, and concepts can benchmark themselves and may learn from each other to further improve survival following one of our major health care events
Microvascular activation by iodine deficiency and X-radiation in non-thyroidal NIS-expressing organs
Iodine is an essential element required for diverse physiological functions, including thyroid hormone production. Beside thyroid, other organs take up iodide via the sodium/iodide symporter (NIS), such as stomach and salivary and mammary glands. In addition to its secretion into milk, iodide has been suggested to offer an antioxidant protection in the three mentioned tissues, along with a recycling role via salivary glands and stomach secretion of iodide into their respective fluids to avoid kidney clearance. Several studies have linked iodine deficiency (ID), which is still a global problem, to functional alterations and pathologies of those organs. In thyroid, ID is known to activate a TSH-independent microvascular response. We have thus hypothesized that those organs could also activate a vascular response when facing ID. In this work, we show that acute ID increases vascular endothelial factor (VEGF) expression in salivary glands, stomach, and lactating and virgin mammary glands, transiently leading to increased blood perfusion in salivary and mammary glands. This VEGF up-regulation was shown to depend on non-mitochondrial ROS and the mechanistic target of rapamycin (mTOR) in two breast cell lines: MCF7 and MCF12A. Because X-rays are able to activate angiogenic processes, we hypothesized that they could further increase ID-induced response. The combined exposure to ID and to 3 Gy of X-rays indeed led to additive effects on ROS production and VEGF mRNA expression, but in MCF12A cells only. Our results suggest that ROS induced by radiations with or without iodide come at least partly from mitochondria in this cell line. In conclusion, ID induces a transient microvascular response in all three organs studied as it does in thyroid. This microvascular response might be a common reaction of NIS-expressing organs to try to improve iodide supply, but, in the case of stomach and salivary glands, might also be a mechanism to increase iodide recycling and spare it for the thyroid. The increase in VEGF expression, along with mTOR activation and ROS formation in breast, could also provide new insight in the research on the link between ID and NIS-expressing organs pathologies. Furthermore, as radiations increase ID-induced oxidative stress and VEGF mRNA up-regulation in one of the two breast cell lines studied, iodide intake should not be overlooked in radiation prevention policies.(BIFA - Sciences biomédicales et pharmaceutiques) -- UCL, 201
Modulation of VEGF Expression and Oxidative Stress Response by Iodine Deficiency in Irradiated Cancerous and Non-Cancerous Breast Cells
Breast cancer remains a major concern and its physiopathology is influenced by iodine deficiency (ID) and radiation exposure. Since radiation and ID can separately induce oxidative stress (OS) and microvascular responses in breast, their combination could additively increase these responses. Therefore, ID was induced in MCF7 and MCF12A breast cell lines by medium change. Cells were then X-irradiated with doses of 0.05, 0.1, or 3 Gy. In MCF12A cells, both ID and radiation (0.1 and 3 Gy) increased OS and vascular endothelial growth factor (VEGF) expression, with an additive effect when the highest dose was combined with ID. However, in MCF7 cells no additive effect was observed. VEGF mRNA up-regulation was reactive oxygen species (ROS)-dependent, involving radiation-induced mitochondrial ROS. Results on total VEGF mRNA hold true for the pro-angiogenic isoform VEGF165 mRNA, but the treatments did not modulate the anti-angiogenic isoform VEGF165b. Radiation-induced antioxidant response was differentially regulated upon ID in both cell lines. Thus, radiation response is modulated according to iodine status and cell type and can lead to additive effects on ROS and VEGF. As these are often involved in cancer initiation and progression, we believe that iodine status should be taken into account in radiation prevention policies
Muscle functional MRI analysis of trunk muscle recruitment during extension exercises in asymptomatic individuals
The present study examined the activity levels of the thoracic and lumbar extensor muscles during different extension exercise modalities in healthy individuals. Therefore, 14 subjects performed four different types of extension exercises in prone position: dynamic trunk extension, dynamic-static trunk extension, dynamic leg extension, and dynamic-static leg extension. Pre- and post-exercise muscle functional magnetic resonance imaging scans from the latissimus dorsi, the thoracic and lumbar parts of the longissimus, iliocostalis, and multifidus were performed. Differences in water relaxation values (T2-relaxation) before and after exercise were calculated (T2-shift) as a measure of muscle activity and compared between extension modalities. Linear mixed-model analysis revealed higher lumbar extensor activity during trunk extension compared with leg extension (T2-shift of 5.01ms and 3.55ms, respectively) and during the dynamic-static exercise performance compared with the dynamic exercise performance (T2-shift of 4.77ms and 3.55ms, respectively). No significant differences in the thoracic extensor activity between the exercises could be demonstrated. During all extension exercises, the latissimus dorsi was the least activated compared with the paraspinal muscles. While all extension exercises are equivalent effective to train the thoracic muscles, trunk extension exercises performed in a dynamic-static way are the most appropriate to enhance lumbar muscle strength
Applying an active lumbopelvic control strategy during lumbar extension exercises : effect on muscle recruitment patterns of the lumbopelvic region
Objective: Examine whether implementing an active lumbopelvic control strategy during high load prone lumbar extension exercises affects posterior extensor chain recruitment and lumbopelvic kinematics.
Methods: Thirteen healthy adults acquired an optimal active lumbopelvic control strategy during guided/home-based training sessions. During the experimental session electromyography was used to evaluate the activity of the posterior extensor chain muscles during high load trunk/bilateral leg extension exercises with/without application of the strategy. Video-analysis was used to evaluate thoracic/lumbar/hip angles.
Results: Implementing the active lumbopelvic control strategy decreased the lordotic angle during trunk (p = 0.045; -3.2 degrees) and leg extension exercises (p = 0.019; -degrees 10). The hip angle was solely affected during trunk extension (p < 0.001; +9.2 degrees). The posterior extensor chain (i.e. mean of the relative activity of all muscles (%MVIC) was recruited to a higher extent (p = 0.026; + 9%) during trunk extension exercises performed with active lumbopelvic control. Applying the strategy during leg extension exercises lead to less activity of longissimus thoracic (p = 0.015; -10.2%) and latissimus dorsi (p = 0.010; -4.4%), and increased gluteus maximus activity (p <= 0.001; +16.8%).
Conclusions: When healthy people are taught/instructed to apply an active lumbopelvic control strategy, this will decrease the degree of lumbar (hyper)lordosis and this influences the recruitment patterns of trunk and hip extensors. Hence, the possible impact on predetermined training goals should be taken into account by trainers