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Introduction: Although Cognitive Behavioral Therapy (CBT) is the most often used intervention in forensic treatment, its effectivity is not consistently supported. Interventions incorporating knowledge from neuroscience could provide for more successful intervention methods. Methods: The current pilot study set out to assess the feasibility and usability of the study protocol of a 4-week neuromeditation training in adult forensic outpatients with impulse control problems. The neuromeditation training, which prompts awareness and control over brain states of restlessness with EEG neurofeedback, was offered in addition to treatment as usual (predominantly CBT). Results: Eight patients completed the neuromeditation training under guidance of their therapists. Despite some emerging obstacles, overall, the training was rated sufficiently usable and feasible by patients and their therapists. Discussion: The provided suggestions for improvement can be used to implement the intervention in treatment and set up future trials to study the effectiveness of neuromeditation in offender treatment.
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BACKGROUND: Parenting with Love and Limits (PLL) is a family intervention aimed at reducing behavioral problems in adolescents up to the age of 18 by, among other things, improving communication between family members and the parenting skills of the parents. AIM: This prospective study examined whether parental communication and parenting skills and youth externalizing problem behavior were positively changed after PLL. METHOD: The study group consisted of 48 adolescents who had completed the PLL-intervention with their primary caregivers. Data from two measurements completed by the primary caregivers (44 mothers and 4 fathers) were used: prior to PLL (T0) and after PLL (T1). RESULTS: Results of the paired t-test indicated strong positive changes in communication, parenting and aggressive behavior after nearly eight months of PLL. A statistically significant (reliable change) decrease in aggressive behavior was found in one third of the adolescents, but not in deviant behavior. CONCLUSION: PLL improved functioning in some of the families, but further research is needed into the effective elements and for whom the intervention is effective under what circumstances.
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Terapia Familiar , Responsabilidad Parental , Adolescente , Comunicación , Padre , Femenino , Humanos , Relaciones Interpersonales , Amor , Masculino , Madres , Padres , Estudios ProspectivosRESUMEN
This study examined whether protective factors are unique or the opposite of risk factors and whether they have incremental validity in the prediction of general recidivism. Using a sample of 3306 Dutch forensic outpatients, this study was the first large-sample study ever performed on this topic. Results from exploratory factor analyses demonstrated a relatively stable factor structure of 14 factors, consisting of 32 of the initially included 68 risk factors and 11 of the initially included 17 protective items. The protective factors were found to be either bipolar (i.e., mirror images of risk factors) or responsivity characteristics (i.e., motivation for treatment, cognitive disability). Incremental validity for the recidivism prediction was found in one factor with internal protective items (e.g., empathy, financial management, life goals). This factor decreased the recidivism risk by 6%. However, weak predictive accuracy was found for this factor. Implications for clinical forensic practice are discussed with special focus on the risk-need-responsivity model.
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Criminales , Reincidencia , Criminales/psicología , Recolección de Datos , Humanos , Factores Protectores , Reincidencia/psicología , Medición de Riesgo/métodos , Factores de RiesgoRESUMEN
Covalent grafting and electrostatic-driven assembly have been two strategies in constructing well-defined polyoxometalate (POM) assemblies to produce specific morphologies and desirable properties. The modification of anionic counter-ions of amphiphilic compounds in POM-surfactant hybrid systems is still unexploited. Herein, we report the co-assembly of a synthetic double-tailed magnetic surfactant (MagSurf), (C18)2C2N+[FeCl4]-, and POM, {Mo72Fe30}. The magnetic aggregate (POM/MagSurf) results from the building up hierarchical structures at a time-dependent interface. In this construct, both the MagSurfs and {Mo72Fe30} POMs contribute to and mutually strengthen the magnetization of the designed magnetic assembles. Interestingly, the POM/MagSurf aggregates are compatible with aqueous mixtures and successfully employed to serve as magnetic transporting vehicles to anchor and deliver a protein molecule, myoglobin (Mb). Upon applying a magnetic field (0.3â¯T), the magnetic aggregates induced a directional migration and enrichment of the Mb protein (71-90%). During this process, the protein/POM/MagSurf complexes exhibited strong interactions facilitating stable anchoring and efficient enrichment of the Mb.
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Hierro/química , Magnetismo , Nanopartículas de Magnetita/química , Molibdeno/química , Proteínas/química , Tensoactivos/química , Compuestos de Tungsteno/química , Tamaño de la Partícula , Propiedades de SuperficieRESUMEN
BACKGROUND: Cutbacks in clinical beds in regular and forensic psychiatry increase the burden on outpatient forensic care in The Netherlands.
AIM: Since 2007, Dutch forensic (flexible) assertive community treatment (For(F)ACT) teams offer outpatient, intensive treatment to forensic clients with complex mental health issues. As the need for this form of intensive treatment increases, so does the need for unambiguous indication criteria to facilitate adequate care and accompanied reduction in criminal behavior.
METHOD: The present study investigated the correlation between the clinical indication criteria and risk factors for criminal behavior in 76 For(F)ACT-clients, reviewing which criteria best predicted recidivism.
RESULTS: A weak correlation was found between the indication criteria and risk factors. Further receiver operating characteristic (ROC) analysis showed that a combination of clinical indication criteria best predicted recidivism.
CONCLUSION: The influential risk factors for For(F)ACT-clients are different compared to those for other groups of delinquents. Important treatment factors are breaking patterns, increasing safety and offering social and financial support. The clinical indication criteria should not be replaced by the START risk factors.
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Servicios Comunitarios de Salud Mental/métodos , Psiquiatría Forense , Trastornos Mentales/terapia , Reincidencia/prevención & control , Atención Ambulatoria , Femenino , Humanos , Masculino , Países Bajos , Reincidencia/psicología , Medición de Riesgo , Factores de RiesgoRESUMEN
Inadequate problem solving is associated with recidivism in sex offenders. However, the psychometric properties of two of the most widely used coping self-report questionnaires, the Social Problem-Solving Inventory-Revised and Coping Inventory for Stressful Situations, have not been established for outpatient sex offenders. Using structural equation modeling, the present study aims to contribute to an empirically based decision as to which version of the Coping Inventory for Stressful Situations or Social Problem-Solving Inventory-Revised is best suited to use with forensic outpatient sex offenders. The sample consisted of 530 Dutch sex offenders treated in an outpatient forensic facility. Results support the use of the Coping Inventory for Stressful Situations-Short Form 20 for identifying problem-solving deficits among outpatient sex offenders, consequently facilitating the assessment of treatment needs.
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The Rlm1 transcription factor is a target of the cell wall integrity pathway. We report that an rlm1Δ mutant grown on a nonfermentable carbon source at low osmolarity forms cell groups in which a mother cell is surrounded by smaller "satellite-daughter" cells. Mother cells in these groups progressed through repeated rounds of cell division with normal rates of bud growth and genetic stability; however, these cells underwent precocious START relative to wild-type mothers. Thus, once activated, Rlm1 delays the transition from G1 to S, a mechanism we term the cell wall/START (CW/START) checkpoint. The rlm1Δ satellite-cell phenotype is suppressed by deletion of either SLT2, which encodes the kinase that activates Rlm1, or SWI4, which is also activated by Slt2; suggesting that Slt2 can have opposing roles in regulating the START transition. Consistent with an Rlm1-dependent CW/START checkpoint, rlm1Δ satellite daughters were unable to grow or divide further even after transfer to rich medium, but UV irradiation in G1 could partially rescue rlm1Δ satellite daughters in the next division. Indeed, after cytokinesis, these satellite daughters shrank rapidly, displayed amorphous actin staining, and became more permeable. As a working hypothesis, we propose that duplication of an "actin-organizing center" in late G1 may be required both to progress through START and to reestablish the actin cytoskeleton in daughter cells.
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Citocinesis , Puntos de Control de la Fase G1 del Ciclo Celular , Proteínas de Dominio MADS/genética , Puntos de Control de la Fase S del Ciclo Celular , Proteínas de Saccharomyces cerevisiae/genética , Actinas/metabolismo , Proteínas de Unión al ADN/genética , Proteínas de Unión al ADN/metabolismo , Proteínas de Dominio MADS/metabolismo , Proteínas Quinasas Activadas por Mitógenos/genética , Proteínas Quinasas Activadas por Mitógenos/metabolismo , Concentración Osmolar , Saccharomyces cerevisiae/citología , Saccharomyces cerevisiae/genética , Saccharomyces cerevisiae/fisiología , Proteínas de Saccharomyces cerevisiae/metabolismo , Factores de Transcripción/genética , Factores de Transcripción/metabolismoRESUMEN
BACKGROUND/OBJECTIVES: The brain has a central role in regulating ingestive behavior in obesity. Analogous to addiction behaviors, an imbalance in the processing of rewarding and salient stimuli results in maladaptive eating behaviors that override homeostatic needs. We performed network analysis based on graph theory to examine the association between body mass index (BMI) and network measures of integrity, information flow and global communication (centrality) in reward, salience and sensorimotor regions and to identify sex-related differences in these parameters. SUBJECTS/METHODS: Structural and diffusion tensor imaging were obtained in a sample of 124 individuals (61 males and 63 females). Graph theory was applied to calculate anatomical network properties (centrality) for regions of the reward, salience and sensorimotor networks. General linear models with linear contrasts were performed to test for BMI and sex-related differences in measures of centrality, while controlling for age. RESULTS: In both males and females, individuals with high BMI (obese and overweight) had greater anatomical centrality (greater connectivity) of reward (putamen) and salience (anterior insula) network regions. Sex differences were observed both in individuals with normal and elevated BMI. In individuals with high BMI, females compared to males showed greater centrality in reward (amygdala, hippocampus and nucleus accumbens) and salience (anterior mid-cingulate cortex) regions, while males compared to females had greater centrality in reward (putamen) and sensorimotor (posterior insula) regions. CONCLUSIONS: In individuals with increased BMI, reward, salience and sensorimotor network regions are susceptible to topological restructuring in a sex-related manner. These findings highlight the influence of these regions on integrative processing of food-related stimuli and increased ingestive behavior in obesity, or in the influence of hedonic ingestion on brain topological restructuring. The observed sex differences emphasize the importance of considering sex differences in obesity pathophysiology.
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Índice de Masa Corporal , Encéfalo/anatomía & histología , Encéfalo/fisiología , Vías Nerviosas/anatomía & histología , Vías Nerviosas/fisiología , Caracteres Sexuales , Adulto , Análisis de Varianza , Mapeo Encefálico/métodos , Imagen de Difusión por Resonancia Magnética , Conducta Alimentaria/fisiología , Conducta Alimentaria/psicología , Femenino , Humanos , Conducta Impulsiva/fisiología , Masculino , Persona de Mediana Edad , Modelos Neurológicos , Neuroimagen , Obesidad/fisiopatología , Obesidad/psicología , Filosofía , Estimulación Luminosa , Recompensa , Estados Unidos , Adulto JovenRESUMEN
BACKGROUND: Studies have demonstrated the existence of regional gray matter and white matter (WM) alterations in the brains of patients with irritable bowel syndrome (IBS), but the extent to which altered anatomical connectivity between brain regions is altered in IBS remains incompletely understood. METHODS: In this study, magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI) were used to identify significant brain connectivity differences between IBS patients and healthy control (HC) subjects. Based on MRI and DTI volumes acquired from 66 IBS patients and 23 HC subjects, multivariate regression was used to investigate whether subject age, sex, cortical thickness, or the mean fractional anisotropy (FA) of WM connections innervating each location on the cortex could predict IBS diagnosis. KEY RESULTS: HC and IBS subjects were found to differ significantly within both left and right viscerotopic portions of the primary somatosensory cortex (S1), with the mean FA of WM bundles innervating S1 being the predictor variable responsible for these significant differences. CONCLUSIONS & INFERENCES: These preliminary findings illustrate how a chronic visceral pain syndrome and brain structure are related in the cohort examined, and because of their indication that IBS diagnosis is associated with anatomic neuropathology of potential neurological relevance in this patient sample.
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Síndrome del Colon Irritable/patología , Corteza Somatosensorial/patología , Sustancia Blanca/patología , Adulto , Imagen de Difusión Tensora , Femenino , Humanos , Imagen por Resonancia Magnética , MasculinoRESUMEN
The free-volume hole relaxation in polycarbonate and poly(methyl methacrylate) with different levels of molecular orientation was studied by positron annihilation lifetime spectroscopy at variable pressures. The molecular orientation was achieved through a simple shear process performed at different temperatures and extrusion rates. It has been demonstrated that the ß relaxation is largely responsible for the free-volume hole anisotropy after simple shear orientation. Upon the removal of mechanical force, the deformation of the free volume is mostly reversible at temperatures much lower than the glass transition. No strong correlation between macroscopic deformation and the free-volume hole deformation was found regardless of molecular orientation.
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The last two decades have seen an unprecedented development of human brain mapping approaches at various spatial and temporal scales. Together, these have provided a large fundus of information on many different aspects of the human brain including micro- and macrostructural segregation, regional specialization of function, connectivity, and temporal dynamics. Atlases are central in order to integrate such diverse information in a topographically meaningful way. It is noteworthy, that the brain mapping field has been developed along several major lines such as structure vs. function, postmortem vs. in vivo, individual features of the brain vs. population-based aspects, or slow vs. fast dynamics. In order to understand human brain organization, however, it seems inevitable that these different lines are integrated and combined into a multimodal human brain model. To this aim, we held a workshop to determine the constraints of a multi-modal human brain model that are needed to enable (i) an integration of different spatial and temporal scales and data modalities into a common reference system, and (ii) efficient data exchange and analysis. As detailed in this report, to arrive at fully interoperable atlases of the human brain will still require much work at the frontiers of data acquisition, analysis, and representation. Among them, the latter may provide the most challenging task, in particular when it comes to representing features of vastly different scales of space, time and abstraction. The potential benefits of such endeavor, however, clearly outweigh the problems, as only such kind of multi-modal human brain atlas may provide a starting point from which the complex relationships between structure, function, and connectivity may be explored.
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Atlas como Asunto , Encéfalo/anatomía & histología , Mapeo Encefálico , HumanosRESUMEN
The integration of longitudinal brain structure analysis with neurointensive care strategies continues to be a substantial difficulty facing the traumatic brain injury (TBI) research community. For patient-tailored case analysis, it remains challenging to establish how lesion profile modulates longitudinal changes in cortical structure and connectivity, as well as how these changes lead to behavioral, cognitive and neural dysfunction. Additionally, despite the clinical potential of morphometric and connectomic studies, few analytic tools are available for their study in TBI. Here we review the state of the art in structural and connectomic neuroimaging for the study of TBI and illustrate a set of recently-developed, patient-tailored approaches for the study of TBI-related brain atrophy and alterations in morphometry as well as inter-regional connectivity. The ability of such techniques to quantify how injury modulates longitudinal changes in cortical shape, structure and circuitry is highlighted. Quantitative approaches such as these can be used to assess and monitor the clinical condition and evolution of TBI victims, and can have substantial translational impact, especially when used in conjunction with measures of neuropsychological function.
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Lesiones Encefálicas/patología , Conectoma , Neuroimagen , Animales , Mapeo Encefálico , Humanos , Imagen por Resonancia Magnética/métodos , Neuroimagen/métodos , Atención Individual de SaludRESUMEN
Perhaps more than any other "-omics" endeavor, the accuracy and level of detail obtained from mapping the major connection pathways in the living human brain with diffusion MRI depend on the capabilities of the imaging technology used. The current tools are remarkable; allowing the formation of an "image" of the water diffusion probability distribution in regions of complex crossing fibers at each of half a million voxels in the brain. Nonetheless our ability to map the connection pathways is limited by the image sensitivity and resolution, and also the contrast and resolution in encoding of the diffusion probability distribution. The goal of our Human Connectome Project (HCP) is to address these limiting factors by re-engineering the scanner from the ground up to optimize the high b-value, high angular resolution diffusion imaging needed for sensitive and accurate mapping of the brain's structural connections. Our efforts were directed based on the relative contributions of each scanner component. The gradient subsection was a major focus since gradient amplitude is central to determining the diffusion contrast, the amount of T2 signal loss, and the blurring of the water PDF over the course of the diffusion time. By implementing a novel 4-port drive geometry and optimizing size and linearity for the brain, we demonstrate a whole-body sized scanner with G(max) = 300 mT/m on each axis capable of the sustained duty cycle needed for diffusion imaging. The system is capable of slewing the gradient at a rate of 200 T/m/s as needed for the EPI image encoding. In order to enhance the efficiency of the diffusion sequence we implemented a FOV shifting approach to Simultaneous MultiSlice (SMS) EPI capable of unaliasing 3 slices excited simultaneously with a modest g-factor penalty allowing us to diffusion encode whole brain volumes with low TR and TE. Finally we combine the multi-slice approach with a compressive sampling reconstruction to sufficiently undersample q-space to achieve a DSI scan in less than 5 min. To augment this accelerated imaging approach we developed a 64-channel, tight-fitting brain array coil and show its performance benefit compared to a commercial 32-channel coil at all locations in the brain for these accelerated acquisitions. The technical challenges of developing the over-all system are discussed as well as results from SNR comparisons, ODF metrics and fiber tracking comparisons. The ultra-high gradients yielded substantial and immediate gains in the sensitivity through reduction of TE and improved signal detection and increased efficiency of the DSI or HARDI acquisition, accuracy and resolution of diffusion tractography, as defined by identification of known structure and fiber crossing.
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Encéfalo/anatomía & histología , Encéfalo/fisiología , Conectoma/métodos , Imagen de Difusión Tensora/métodos , Aumento de la Imagen/métodos , Modelos Anatómicos , Modelos Neurológicos , Animales , Humanos , Red Nerviosa/anatomía & histología , Red Nerviosa/fisiologíaRESUMEN
BACKGROUND: Offenders with a dual diagnose (DD) are more likely than other offenders to repeat delinquent behavior. AIM: To investigate whether male violent offenders with substance-related disorders and co-occurring disorders differed from other subgroups of violent offenders in terms of substance disorders, psychopathology, and recidivism. We expected to find that persons with a dual diagnosis would more often be diagnosed with an anxiety or mood disorder and antisocial personality disorder. We also expected that they could have the highest recidivism rates. METHOD: Our sample consisted of 148 (domestic) violent offenders subdivided into offenders with a substance-related disorder and comorbid disorders (dual diagnosis group; n = 50), offenders without an axis I or axis II disorder (n = 28), offenders with a substance-related disorder (n = 23), and offenders with one or several comorbid axis I disorders (excluding substance related disorders) and/or axis II disorders (n = 47). RESULTS: Survival analyses showed - with an average follow-up period of 79,6 months - significantly higher general (60%) and violent (44,9%) recidivism rates in the DD-group than in the other subgroups in which the rates were lower than 40% for both general and violent recidivism. Results of Cox regression analyses indicated that merely belonging to the DD-group increased the risk of violent recidivism by a factor of 5.21. CONCLUSIONS: The DD-delinquents under study did not differ fundamentally from other subgroups of (domestic) violent offenders as far as substance-related disorders and psychopathology were concerned. However, they did engage more often in recidivism, committing general or violent offences.
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Criminales/psicología , Psiquiatría Forense , Trastornos Mentales/epidemiología , Trastornos Relacionados con Sustancias/epidemiología , Violencia/psicología , Violencia/estadística & datos numéricos , Adulto , Comorbilidad , Crimen/psicología , Crimen/estadística & datos numéricos , Psicología Criminal , Criminales/estadística & datos numéricos , Conducta Peligrosa , Diagnóstico Dual (Psiquiatría) , Humanos , Masculino , Trastornos Mentales/psicología , Países Bajos/epidemiología , Recurrencia , Factores de Riesgo , Trastornos Relacionados con Sustancias/psicologíaRESUMEN
Osteosynthesis plates are clinically used to fixate and position a fractured bone. They should have the ability to withstand cyclic loads produced by muscle contractions and total body weight. The very high demand for osteosynthesis plates in developing countries in general and in Indonesia in particular necessitates the utilisation of local products. In this paper, we investigated the mechanical properties, i.e. proportional limit and fatigue strength of Indonesian-made Narrow Dynamic Compression Plates (Narrow DCP) as one of the most frequently used osteosynthesis plates, in comparison to the European AO standard plate, and its relationship to geometry, micro structural features and surface defects of the plates. All Indonesian-made plates appeared to be weaker than the standard Narrow DCP because they consistently failed at lower stresses. Surface defects did not play a major role in this, although the polishing of the Indonesian Narrow DCP was found to be poor. The standard plate showed indications of cold deformation from the production process in contrast to the Indonesian plates, which might be the first reason for the differences in strength. This is confirmed by hardness measurements. A second reason could be the use of an inferior version of stainless steel. The Indonesian plates showed lower mechanical behaviour compared to the AO-plates. These findings could initiate the development of improved Indonesian manufactured DCP-plates with properties comparable to commonly used plates, such as the standard European AO-plates.
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Placas Óseas , Fuerza Compresiva , Ensayo de Materiales , Pruebas de Dureza , Indonesia , Metales/química , Propiedades de SuperficieRESUMEN
Highly ordered radially aligned microchannels are produced on the surface of polymer nanocomposite thin films via droplet evaporation. This simple, rapid, and cost-effective approach opens a new avenue for producing macroscopic surface patterns that have potential as scaffolds or substrates in the field of microelectronics or microfluidic-based biochips.
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Oro/química , Técnicas Analíticas Microfluídicas/instrumentación , Nanocompuestos/química , Poliestirenos/química , Técnicas Analíticas Microfluídicas/economía , Nanocompuestos/ultraestructura , Propiedades de SuperficieRESUMEN
Complexes of the uranyl cation [UO(2)(2+)] with histidine (His), N-acetyl-histidine (NAH), tyrosine (Tyr), and N-acetyl-tyrosine (NAT) were studied by UV-visible and NMR spectroscopy, and by potentiometric titration. Protonation constants for each ligand are reported, as are cumulative formation constants for uranyl-amino acid complexes. Coupling constant data (J(CH)) for uranyl-histidine complexes indicate that inner-sphere solution interactions between histidine and uranyl cation are solely at the carboxylate site. At 25 degrees C the major uranyl-histidine complex has a cumulative formation constant of logbeta(110)=8.53, and a proposed formula of [UO(2)HisH(2)(OH)(2)](+); the stepwise formation constant, logK(UL), is estimated to be 5.6 ( approximately 8.53-(-6.1)-(-6.1)-15.15). Outer-sphere interactions, H-bonding or electrostatic interactions, are proposed as contributing a significant portion of the stability to the ternary uranyl-hydroxo-amino acid complexes. The temperature dependent protonation constants of histidine and formation constants between uranyl cation and histidine are reported from 10 to 35 degrees C; at 25 degrees C, DeltaG=-43.3 kJ/mol.
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Histidina/análogos & derivados , Tirosina/análogos & derivados , Compuestos de Uranio/química , Cationes Bivalentes , Histidina/química , Hidrólisis , Imidazoles/química , Soluciones/química , Espectrofotometría Ultravioleta , Tirosina/químicaRESUMEN
The enormous need of orthopaedic (surgical) implants such as osteosynthesis plates is difficult to be fulfilled in developing countries commonly rely on imported ones. One of the alternatives is utilization of local resources, but only after they have been proven safe to use, to overcome this problem. Surface properties are some of the determining factors of safety for those implants. We have succeeded in developing prototype of osteosynthesis plate and the results indicate that Indonesian-made plates need improvement with regards to the surface quality of physical characterization.
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Placas Óseas , Sustitutos de Huesos , Ensayo de Materiales , Cerámica , Materiales Biocompatibles Revestidos , Fuerza Compresiva , Humanos , Indonesia , Dispositivos de Fijación Ortopédica , TermogravimetríaRESUMEN
The quantities of waste generated by the healthcare sector in the United Kingdom (UK) have been shown to be amongst the highest in Europe. Based on a case study undertaken within the Cornwall NHS (National Health Service) in the UK, this paper reports on the results of waste minimisation trials. The schemes were able to achieve significant waste reductions in both clinical and domestic waste quantities. Indeed, a reduction in domestic bag waste in the range of 1.6-33.4%, with an average of 14.8% was realised. For clinical waste, the reduction ranged from 1.8% to 38.3%, at an average of 15.7%, with net cost benefits of nearly US$ 25,000 over the period of 1-3 years. The outcomes suggest that significant resource and financial efficiencies can be attained, but due to the many factors involved, there is a need to focus both on containment and logistics, as well as social factors for success.