A similar process of coding was used with the cohort 2 focus groups order 100 mg kamagra chewable mastercard no xplode impotence, and the initial codes were discussed generic kamagra chewable 100 mg overnight delivery young husband erectile dysfunction, refined or amended and a new coding framework produced by HeLP co-ordinators and trial manager. The HeLP co-ordinators and one independent researcher then used this coding framework to code the remaining focus groups. The parent and teacher interviews were coded using a similar approach, with the coding framework being edited at each stage. The trial manager coded 20% of the transcripts, with the principal investigator providing verification for half of the 20% checked by the trial manager. The codes were then categorised (second cycle coding) to identify emerging themes and subthemes. Data from all sources (parent and teacher interviews and focus groups) were collated for each theme/subtheme and transferred into tables. The resulting tables were then analysed for agreement, partial agreement, silence or dissonance from the different data sources. These four scores were then averaged again to produce a single delivery mean score per school. A score of ≥ 8 was prespecified to indicate that the intervention had been delivered as designed (i. Delivery to form If all components for each phase were delivered (represented as a tick on the checklist), then it was recorded that 100% of HeLP components had been delivered in that school. Child-level engagement Individual child scores were dichotomised to create two groups (≤ 1 = less engaged children and > 1 = engaged children). School-level engagement Individual scores for the head teacher, the Year 5 teacher and the support staff were aggregated to give a score out of 9 for each school. Schools were then dichotomised into two groups (0–3 = less engaged school and 4–9 = engaged school). The handwritten field notes were typed up by each HeLP co-ordinator and entered into Microsoft Excel and then imported into NVivo once any comments that could identify people or schools had been anonymised. Results The results from this section of the process evaluation are presented under each aim and their associated research questions. Aim 1: to assess the uptake and fidelity of the HeLP intervention l Research question 1: how much of HeLP did children and families receive? Across cohorts 1 and 2, 676 children were randomised to receive the intervention. Table 37 shows the percentage of children participating in each phase of HeLP and the percentage of children receiving the four drama sessions in phase 2 and the one-to-one goal-setting in phase 3 (considered to be the key components of the intervention essential for behaviour change to occur) delivered in the manner in which HeLP had been designed. TABLE 37 Uptake of HeLP Phase (%) Percentage of children receiving four drama sessions (phase 2) Cohort and goal-setting (phase 3)a delivered in the spirit of HeLPb 1 91. This issue may be freely reproduced for the purposes of private research and study and extracts (or indeed, the full report) may be included in professional journals 77 provided that suitable acknowledgement is made and the reproduction is not associated with any form of advertising. Applications for commercial reproduction should be addressed to: NIHR Journals Library, National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre, Alpha House, University of Southampton Science Park, Southampton SO16 7NS, UK. PROCESS EVALUATION Across the programme there were six invitations for parents and carers to come into the school and take part in the programme. These included the parent assembly and observation of the two activity workshops in phase 1, observation of work in progress in the final two drama sessions of the healthy lifestyles week in phase 2 and the forum theatre assembly in phase 3 (see Tables 2 and 3). Just over half of children (52%, 353/676) had family attending at least one parent event. Table 38 shows that we can be confident that all intervention schools received a complete or near- complete programme that was delivered as designed (i. Aim 2: to assess whether or not the intervention worked in the way it was expected to in terms of the intervention logic model (see Figure 8) All Year 5 teachers from the 16 schools that received the intervention were interviewed (n = 28) and all parents of participating children in the intervention schools were sent a questionnaire in the post following the intervention. Just over one-quarter of parents (26%, 176/676) returned the questionnaire, of which 80 (45%) indicated that they were happy to be interviewed. As there is some evidence that health promotion programmes can (unintentionally) widen health inequalities, we wanted to see whether or not engagement with HeLP and the trial process was the same across all socioencomic groups. Fifty-two parents (of which two were fathers) were interviewed, with slightly more parents from the higher two than the lower two IMD quartiles participating (60% and 40%). Forty-five parents (87%) interviewed were categorised as engaged, 81% of whom also had an engaged child. Thirteen per cent of parents interviewed were less engaged, of whom 2% (one parent) had a less engaged child. TABLE 38 Fidelity of delivery of HeLP (form and function) School [cohort 1 (1–8); Per cent of components delivered HeLP delivery score (fidelity to cohort 2 (9–16)] in complete form (fidelity to form) function) (maximum score of 10) 1 100 8. Child, parent and school engagement scores, as well as the qualitative data from the focus groups and interviews relating to enjoyment and engagement of the programme, are presented here. Evidence of possible mechanisms leading to engagement/enjoyment (e. Each quotation presented is referenced with the source (school number, P = parent, T = teacher, LEC = less engaged child, EC = engaged child). We also present relevant data from the parent questionnaire (see Appendix 10). Twenty-four children had missing engagement scores (13 children had moved out of the area, eight children had changed schools before the one-to-one goal-setting discussion and three children were absent on multiple visits by the HeLP co-ordinator) and had not set goals. Based on the child engagement scoring system, 92% (602/652) of children were deemed to be engaged with HeLP. Similar percentages of boys and girls were considered engaged (91% and 94%, respectively); however, those children in schools that had more than one Year 5 class had a greater percentage of engaged children than those with only one Year 5 class (97% and 82%; respectively). Table 39 shows that HeLP was able to engage children across the socioeconomic spectrum, although there were slightly more children from the most deprived quartiles in the less engaged category. There was very clear evidence from all sources (teachers, parents and children) in the interviews and focus groups that children really enjoyed and engaged with all aspects of the the programme across all schools. Female LEC, school 14 TABLE 39 Child engagement by IMD ranka Number (%) of less Number (%) of Deprivation quartile engaged children engaged children Total number of children 1 (most deprived) 16 (33) 156 (26) 172 2 15 (31) 143 (24) 158 3 8 (16) 147 (24) 155 4 (least deprived) 10 (20) 155 (26) 165 Total 49 601 650 a Two children could not be included in the analysis of engagement by IMD rank as we did not have their postcodes. This issue may be freely reproduced for the purposes of private research and study and extracts (or indeed, the full report) may be included in professional journals 79 provided that suitable acknowledgement is made and the reproduction is not associated with any form of advertising. Applications for commercial reproduction should be addressed to: NIHR Journals Library, National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre, Alpha House, University of Southampton Science Park, Southampton SO16 7NS, UK. PROCESS EVALUATION Amazing, fun, healthy, extraordinary and the best! Female EC, school 7 It was brilliant it was such good fun; the children reacted to it really positively. In fact I have not heard them say anything negative about it at all. Male LEC, school 12 The reason I liked the Healthy Lifestyles Week was because you were actually seeing what, sort of like a made-up version of four different people who have trouble and the ways you can improve it by just following them.
This enzyme is normally present in each posed modular organization of the central nervous system kamagra chewable 100mg low price erectile dysfunction drugs market share. Its absence prevents the normal metabolism of hypoxanthine and results in excessive uric acid production BEHAVIORAL PHENOTYPES OF SPECIFIC and manifestations of gout without specific drug treatment NEURODEVELOPMENTAL DISORDERS (i discount 100 mg kamagra chewable free shipping erectile dysfunction song. The full disease requires the virtual ab- sence of the enzyme. Other syndromes with partial HPRT The sections that follow discuss four syndromes in which deficiency are associated with gout without the neurologic behavioral phenotypes have been identified:LND, PWS/ and behavioral symptoms. Page and Nyhan reported that AS, fragile X syndrome, and WMS. Characteristic behaviors HPRT levels are related to the extent of motor symptoms, Chapter 46: Behavioral Phenotypes of Neurodevelopmental Disorders 629 the presence or absence of self-injury, and possibly the level findings was documented on quantitated neurologic exami- of cognitive function (27). The study of variant cases with motor symptoms but with no self-injurious be- Self-injurious behavior usually is expressed as self-biting; havior suggests that reductions in dopamine receptor den- however, other patterns of self-injurious behavior may sity are not a sufficient explanation of the self-injury. It is not uncommon for self-injury to progress to deliberate self-harm (19,28). Characteristically, ever, these authors found that HPRT level and the extent the fingers, mouth, and buccal mucosa are mutilated. The of motor deficit were correlated with dopamine transporter biting pattern is often asymmetric, so the patient may muti- binding in caudate and putamen in the nine cases. Dopa- late the left or right side of the body and may become anx- mine transporter binding was significantly correlated with ious if he perceives that this side of the body is threatened. Moreover, when the movement Other associated maladaptive behaviors include head or disorder was rated on the Fahn-Marsden dystonia rating limb banging, eye poking, pulling of fingernails, and psy- scale, putamen dopamine transporter density was signifi- chogenic vomiting (28). These findings Self-mutilation in LND is conceptualized as a compul- suggest that dopamine reduction is linked to the extent of sive behavior that the child tries to control but generally the movement disorder, but it may not be a sufficient expla- is unable to resist. With increasing age, the affected child nation for self-injurious behavior, and other neurotransmit- becomes more adept at finding ways to control his self- ters need to be examined. He may enlist the help of others to protect him with levels from 2% to 20% showed cognitive deficit pro- against these impulses or may learn self-restraint. A language pattern that consists of repeated ambivalent Future investigation will need to take into account the statements with anxiety and coprolalia (vulgar speech) is existence of a variety of mutations in the HPRT gene struc- characteristic. Why partial HPRT deficiency does not lead to neuro- aggressive and may inflict injury on others through pinch- logic and behavioral symptoms remains unclear; perhaps ing, grabbing, or using verbal forms of aggression. Fre- neurotrophic factors are active with minute amounts of the quently, he will apologize for this behavior immediately enzyme. It is advisable to study combined drug and behav- afterward and will say that the behavior was out of his con- ioral treatment. As in other inborn errors, continuous Etiologic Factors family support is essential. Harris provides a description of a comprehensive treatment program for LND (19). The cause of the neurologic and behavioral symptoms is not clearly established; however, abnormalities in dopamine function have been demonstrated in three autopsied cases Prader–Willi Syndrome (29). The behavior is not caused by either hyperuricemia PWS is a neurodevelopmental disorder characterized by or by excess hypoxanthine because LND partial variants whose HPRT levels are greater than 2 do have hyperuri- obesity, short stature, cryptorchidism, mental retardation, cemia but they do not self-injure. Moreover, infants treated hyperphagia, learning disability, short stature, hypogonad- for hyperuricemia from birth whose uric acid level is nor- ism, hypotonia, small hands and feet, and dysmorphic fa- malized still develop self-injury despite having normal levels cies. Patients have an increased prevalence of daytime sleepi- of uric acid. Although it is a rare disorder (1 in 10,000 to the self-injurious behavior (30). These authors documented 15,000), its behavioral phenotype has assumed prominence reductions in dopamine transporter density of 68% in puta- in genetics because of its relationship with AS, which has men and 42% in caudate in six patients with classic LNS a different behavioral phenotype, although both disorders and self-injurious behavior. To clarify the relationship be- involve genomic imprinting of the same region of chromo- tween presynaptic dopamine transporter binding in the stri- some 15. In UPD, two copies of the maternal chromo- 630 Neuropsychopharmacology: The Fifth Generation of Progress some are inherited with no paternal contribution (32). Pipes evaluated food-related behavior in the PWS (36). Without the presence of the chromosome donated by the They found that behavioral problems were most commonly father, the normal imprinting of the two maternally donated related to food and included food stealing, foraging for food, chromosomes leads to absence of gene expression in this gorging, and indiscriminate eating with little food selectiv- interval. This results in a functional abnormality that is ity. No special circumstances that resulted in food stealing essentially equivalent to the structural abnormality found or gorging were identified. Moreover, in about 5% of cases, abnormalities with temper tantrums, stubbornness, negativism, skin pick- in the mechanism of imprinting may occur when the im- ing and scratching, and non–food-related obsessions have printing control center itself has a mutation. A questionnaire survey involving 369 cases Several genes are included in the most commonly deleted identified compulsive and impulsive aggressive behavior region in PWS. These authors used the Overt Aggression Scale, the are maternally imprinted (33). Among these, ZNF 127, Yale-Brown Obsessive-Compulsive Disorder Scale, a clini- NDN, SNURF-SMRPN, IPW are paternally imprinted. An- cal global rating, and DSM-III-R criteria to diagnose self- other gene, UBE3A (E6-AP ubiquitin lipase), is maternally stimulation and self-injury, compulsive behavior, and obses- imprinted. Others genes in this region that are expressed sive behaviors. These investigators found that skin picking from both maternal and paternal chromosomes include was the most common form of self-injury, observed in three -aminobutyric acid (GABA) receptor subunits 19. Other types of self-injury with lower (GABRB3, GABRA5, GABRG3) (33). Because similar phe- frequency were nose picking, nail biting, lip biting, and hair notypes result from deletions and from imprinting in PWS, pulling. The second behavioral problem area was compul- it is less likely that nonimprinted genes play a role in PWS sive behavior; food hoarding was the most severe manifesta- or AS. Among these genes, a specific gene for PWS has not tion and occurred in 17. Other compulsive behaviors been established, so several of these genes may contribute included counting, symmetric arrangements of objects, to the phenotype. For example, the SMRPN gene is involved checking, and hand washing, but they were less common. The NCD (necdin) gene does lead to concerns about contamination. Thus, the disorder is most likely havioral problems identified in the preschool years persist linked to the loss of more than one gene in this region. Etiologic Factors Behavioral Phenotype Investigators have proposed that the genetic abnormality in The extent of cognitive impairment is variable in PWS. PWS leads to hypothalamic dysfunction that results in as- Some patients test in the normal range of intelligence, pects of the clinical phenotype, such as dysregulation of but most test in the mild to moderate range of mental re- feeding, delay in sexual development, sleep disorder, and tardation.
However buy cheap kamagra chewable 100mg online erectile dysfunction uncircumcised, there is no standardized means of grading the severity trauma purchase kamagra chewable with a visa erectile dysfunction doctors huntsville al. Contrary to expectations, soldiers who were attacked but did not shot at the enemy, have less severe symptoms than those who have returned fire (McLay et al, 2014) With respect to soldiers, nightmares before deployment indicate and increase risk for PTSD (Van Liempt, et al, 2013). Also – pre-trauma immune hyperactivation may be a predictor or risk (Eraly et al, 2014). PATHOPHYSIOLOGY The pathophysiology of PTSD is not fully understood. Various systems/structures are involved, including but not limited to: 1) stress/endocrine factors, 2) brain structure factors, 3) genetic factors, 4) epigenetic factors, 5) immunological factors, 6) other factors. How these influence each other is also incompletely understood. Stress/endocrine factors The hypothalamic-pituitary-adrenal (HPA) axis is of central importance in homeostasis. Stress triggers release of corticotrophin-releasing factor (CRF) from the hypothalamus; ACTH released from the pituitary, in turn, triggers the release of cortisol from the adrenal glands. In a negative feed-back loop, elevated levels of cortisol act on the brain to reduce the release of ACTH and cortisol. CRF plays a key role in modulating the autonomic, immune and behavioral effects of stress. Cortisol prepares the individual to respond to sudden stress. Additionally, activation of the glucocorticoid receptor (GR) regulates availability of brain derived neurotropic factor (BDNF) – a crucial factor for neural plasticity. Hence, stress induces neuroplastic changes, which include the formation of long-lasting memories (Deppermann et al, 2014). Negative feed-back (to reduce cortisol levels) activates GRs in the hippocampus and medial prefrontal cortex. However, high levels of cortisol over sustained periods may damage these structures, in which case positive-feedback is established and chronic high cortisol levels cause progressive damage the CNS. In animal studies, stress is associated with reduced length and complexity of the dendrites of the pyramidal cells of region CA3 of the hippocampus (McKittrick et al, 2000), and the medial prefrontal cortex (Radley et al, 2004). In people with PTSD, structural abnormalities have been demonstrated in both of these regions (Nutt et al, 2004). Hypothalamic-pituitary-adrenal (HPA) axis and its relationship to stress and the inflammatory-immune system. Cortisol exerts a negative feedback control on the secretion of corticotropin-releasing hormone (CRH) and adrenocorticotropic hormone (ACTH). Physiologic or psychological stress increases cortisol secretion directly through neural mechanisms or by activation of the inflammatory-immune system and production of cytokines, including interleukin-1 (IL-1), interleukin-2 (IL-2), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α). Immunological factors Immunological factors are part of an interacted system. De Oliveira et al (2017) studied people at presentation with PTSD (and no depression). They found significant elevation of serumIL-6 and IL-10, and concluded there was early activation of the immune system, which could lead to neuroinflammation. Other immunological system observations in PTSD: Pridmore S. Evidence of disorder associated low-grade inflammation (Gola et al, 2013) 3. Lower than normal levels of C-reactive protein (Spitzer et al, 2014). Methylation of the promoter regions of the IL-18 gene (Rusiecki et al, 2013). Methylation of the FKBP5 gene (FKBP5 is a protein with a role in immunoregulation) in combat veterans with PTSD decreases with psychotherapy induced recovery (Yehuda et al, 2013). As yet, not particular genes have been identified (Almili et al, 2014). Epigenetics Chapter 37 provides a detailed account of this subject. Epigenetics refers to the molecular mechanism by which environmental circumstances modify gene expression (without influencing the DNA sequence) to produce different phenotypes. Traumatic stress is a major environmental circumstance. Thus, there is a role for epigenetics in understanding, diagnosing and potentially even the treating PTSD. The functional state of genes (whether they are physically available for transcription) is dictated by the tightness of the chromatin. Chromatin is DNA wound around histones 9 (protein) cores. The tightness of chromatin is influenced in particular by the attachment of methyl groups to DNA, and methyl, acetyl and other molecules to the tails of the histone proteins. The influence of experience on gene expression is observed in the offspring of high quality nurturing rat mothers - their pups display significantly reduced levels of DNA methylation (Weaver et al, 2004). In a spectacular human study, McGowen et al (2009) demonstrated that DNA methylation led to decreased glucocorticoids receptors in the hippocampus of people who had been victims of childhood abuse. As mentioned above under “Immunological factors”, PTSD in combat veterans is associated with an increase in the methylation of the promoter regions of the IL-18 gene (Rusiecki et al, 2013) and the FKBP5 gene (Yehuda et al, 2013). Imaging studies In the largest-to-date meta-analysis of spontaneous neural activity in PTSD (Disner, et al, 2017) 5 regions of interest were identified: 1) left golbus pallidus, 2) left inferior parietal Pridmore S. Thus, widespread pathology in PTSD is suggested by neuroimaging studies. The following paragraphs provide an account of findings as they developed over the life of the Download of Psychiatry. Smaller hippocampal volumes predispose to PTSD (Gilbertson et al, 2002), and PTSD then causes further (secondary) hippocampal volume reductions (Felmingham et al, 2009). A similar process (smaller structure predisposing to PTSD, followed by secondary size reductions) may also apply to the anterior cingulate (Kasai et al 2008). PET studies (Shin et al, 2009) suggest an increased metabolic rate in the anterior cingulate may precede the onset of PTSD, which increases further, as a consequence of the disorder. Geuze et al (2008) found that people with PTSD had reduced frontal and temporal cortical thickness and performed significantly less well on memory tasks. There was a correlation between cortical thickness and memory performance. Sailer et al (2008) found people with PTSD displayed lower activation in the nucleus accumbens and medial PFC, which are both critical structures in the reward pathway. This suggested that people with PTSD may not experience the same intensity of reward as others, and this could be expected to impact on responses and behavior. They found people with PTSD made more errors than a matched healthy sample on tests of inhibition, and the number of errors was directly related to the PTSD severity. Using fMRI, they also found that, in contrast with the healthy sample, which predominantly activated right brain structures during inhibitory tasks, people with PTSD predominantly activated left brain structures.
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D. Mazin. Daniel Webster College.