Academic literature on the topic 'Diversional Therapy'

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Journal articles on the topic "Diversional Therapy"

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Casey, Norah. "Diversional therapy-Relieves the boredom." Nursing Standard 2, no. 7 (November 14, 1987): 27. http://dx.doi.org/10.7748/ns.2.7.27.s62.

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Westbrook, Mary T., C. Margaret Skropeta, and Varoe Legge. "Ethnic Clients in Diversional Therapy Programmes." Australian Occupational Therapy Journal 38, no. 1 (August 27, 2010): 251–58. http://dx.doi.org/10.1111/j.1440-1630.1991.tb01674.x.

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Quinney, Lee. "Diversional group therapy: a study of effectiveness." Nursing Standard 11, no. 47 (August 13, 1997): 34–37. http://dx.doi.org/10.7748/ns1997.08.11.47.34.c2471.

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Nwankwo, Ebele. "DIVERSIONAL THERAPY FOR PATIENTS WITH ADVANCED STAGE BREAST CANCER." Breast 48 (November 2019): S36. http://dx.doi.org/10.1016/s0960-9776(19)30649-6.

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Lee, CDR Colleen O., Jennifer Hunt, Kristen Haley, and Anita Reedy. "Part II: Making Each Moment Count: Building a Diversional Therapy Program." Clinical Journal of Oncology Nursing 7, no. 6 (November 1, 2003): 685–86. http://dx.doi.org/10.1188/03.cjon.685-686.

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Tamayo Mortera, Orquidea, and Nicola A. Hurst. "Diversional and Recreational Therapy in Aotearoa New Zealand: A Snap-Shot." Therapeutic Recreation Journal 53, no. 3 (2019): 284–88. http://dx.doi.org/10.18666/trj-2019-v53-i3-9621.

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Helmer, Margaret, Venkat Pulla, and Elizabeth Carter. "Social Work and Diversional Therapy: Common Threads from a Strengths Perspective." International Journal of Social Work and Human Services Practice 2, no. 6 (December 2014): 296–302. http://dx.doi.org/10.13189/ijrh.2014.020614.

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Parker, Jean. "Lourdes Pilgrimage from Burton House, 1984." British Journal of Occupational Therapy 48, no. 8 (August 1985): 241. http://dx.doi.org/10.1177/030802268504800805.

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Burton House is a geriatric unit with a purpose-built recreation unit, providing adult education facilities and daily time-tabled recreational facilities for long-stay patients. The recreation unit is an offshoot of the occupational therapy department with an activities organizer, a music therapist and an occupational therapy helper who work, along with others, to extend the role of diversional therapy with the elderly. This article is an example of the work that is being achieved to improve the quality of life for long-stay patients.
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Hoover, J. A. B. "Diversional Occupational Therapy in World War I: A Need for Purpose in Occupations." American Journal of Occupational Therapy 50, no. 10 (November 1, 1996): 881–85. http://dx.doi.org/10.5014/ajot.50.10.881.

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Lee, CDR Colleen O. "Part I: Expanded Psychosocial Interventions in Cancer Care: An Introduction to Diversional Therapy." Clinical Journal of Oncology Nursing 7, no. 6 (November 1, 2003): 682–84. http://dx.doi.org/10.1188/03.cjon.682-684.

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Dissertations / Theses on the topic "Diversional Therapy"

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Justis, Hannah T. 4239670221. "Meditative Art: A Diversion from Stress and Anxiety." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/honors/397.

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I wished to present a body of work that visually represented my own meditative process of managing stress and anxiety. Towards the end of studying for my undergraduate, I began preparing for my Final Exhibition Show, and with these preparations, my life, as well as my work, changed drastically. Within the past two years, my drawings began to take on a meditative therapeutic process. It was this development that then helped manage my growing stress levels and well as the symptoms that stemmed from high levels of anxiety and bloomed from losing control in my day to day life. It was then conceived, through this carefully crafted systematic means of creation, the notion that my mind could relax and take time to resolve the matters that plagued it, while at the same time, construct something artistically productive. While drawing, I achieved a juxtaposition of varying means of visually representing the idea of control and order within my work as well as within my mind and body. It was this, the creation of these drawings, that hence became my meditative escape in managing my stress and anxieties as well as my obsessive compulsive tendencies, where; without structure, had the potential to turn self-hindering and painful.
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Sheppard, Victoria C. "Exploring Juvenile Diversion in Ohio: With Implications for Policy & Practice Supporting Evidence-Based Practice and Comprehensive Strategy - Multi-Systemic Therapy (MST) and Wrapround." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1216824864.

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Ting-Kao, Lien, and 連廷誥. "Exploring mothers' vision diversions from their emotion experiences in the filial therapy process." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/89848791267287436614.

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博士
國立彰化師範大學
輔導與諮商學系所
97
This study is to explore how filial play therapy group influences mothers’ emotion experience, vision diversion, and conception of an ideal mother, and the change of mother-child relationships. The participants received a 10-week filial therapy based on Landreth’s model, in which they learned the attitudes and skills of child-centered play therapy. They then applied what they learned and had eight play sessions with their focus-child at home. Interpersonal Process Recall Interview was used to collect data. Each participant was interviewed four interviews, before the filial play therapy, and after their first, fifth and eighth at-home sessions. Hermeneutic phenomenology approach was employed to analyze the data. The results are: 1. There are five dimensions to reveal mothers’ emotion experience during the at-home play sessions: 1) awareness of child’s emotion change; 2) awareness of their own emotion change; 3) expectation of child’s change; 4) expectation of their own change; and 5) new mother-child interaction. 2. At the play sessions, mothers were 1) aware of child’s happiness and willingness to participate; 2) concerning the safety of the child in playing; 3) expecting the child to follow rules and be reasonable; 4) feeling relaxed as they mastered the skills; 5) hoping they could have a calm manner and also make adjustment to remain calm; 6) feeling less frustrated; 7) aware of the mutuality between their and the child’s moods; 8) aware that their sensitivity to the child’s emotion depends on their openness to experience. 3. If knowledge provided by the filial therapy was consistent with the participants’ conception of an ideal mother, such as “learn to observe and understand the child”, “set limit”, and “play together with the child”, they could immediately adopt the knowledge. However, participants felt conflicting when knowledge contradicted to their ideal-mother conception, such as “do not ask the child questions”, “let the child play aggressive games”, and “respect and follow the child’s lead in game”. They needed to divest their visions to adjust. 4. New mother-child interaction allowed participants to divert their vision of an ideal mother, playing and aggressive games, means to understand children, the performance and roles of mothers at playing with children, and anger toward children. This helped them reduce their conflicts encountered in the play therapy and frustration when disciplining a child. Implications of the study results and suggestions for practice and future research are discussed.
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Books on the topic "Diversional Therapy"

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Great Britain. Home Office. Central Drugs Prevention Unit. and Drugs Prevention Initiative, eds. Music against drugs: An evaluation of a drugs prevention diversionary activity. London: Central Drugs Prevention Unit, Home Office, 1995.

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Price, Julie R., Alric D. Hawkins, and Steven D. Passik. Opioid therapy: managing risks of abuse, addiction, and diversion. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199656097.003.0095.

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Given the complex and chronic medical problems that are seen in the palliative care setting, there is an ever increasing need for awareness of prescription drug abuse. Providers must balance the potential for abuse of prescribed opioids with the need to provide appropriate analgesia for patients in the palliative care setting. In addition, the presence of aberrant drug use amongst patients with advanced illness represents a major impediment to appropriate care. In order to maximize patient outcomes and to prescribe needed medication both safely and fairly, the clinician should work to develop appropriate controls and monitoring. Aberrant drug-related behaviour is a complex phenomenon that can occur in the chronic medically ill patient and needs to be approached in an empathetic manner that allows for recognition of the biological, chemical, psychological, and social aspects, with the ultimate goal of safely managing patients’ pain, while addressing other issues that are leading to their distress and perpetuating their aberrant drug use.
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Greco, Francesco, and Paolo Fornara. Inflammation. Edited by Rob Pickard. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199659579.003.0009.

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Fournier’s gangrene (FG) defines a life-threatening necrotizing fasciitis of the external genitalia and perineum with a peak incidence at 50 years of age. It is associated with a mixed bacterial infection with Escherichia coli and Bacteroides spp. predominating. The diagnosis is made clinically with symptoms of skin necrosis, swelling, pain, crepitus, and feculent odour, and local and systemic signs of severe sepsis. Initial resuscitation with fluid replacement, oxygen therapy, and broad-spectrum empirical antibiotics should be rapidly followed by complete and aggressive surgical debridement with postoperative placement of an occlusive dressing. Urinary and faecal diversions are often required. Debridement should be repeated until all necrotic tissue has been excised, allowing later reconstruction. Early diagnosis and immediate therapy is crucial to improve survival in patients with FG.
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Klimo, Paul, and Nir Shimony. Ependymomas. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190696696.003.0026.

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Pediatric posterior fossa tumors are usually ependymoma, pilocytic astrocytoma, or medulloblastoma. Ependymoma appears well-demarcated with heterogeneous enhancement on magnetic resonance imaging (MRI). Full neural axis MRI is indicated to assess for metastatic disease. Management is typically surgical resection of the tumor, with consideration for cerebrospinal fluid diversion if patients present with severe hydrocephalus. Extent of resection of the tumor is the most important factor in predicting recurrence and overall survival, and gross total resection is ideal. Infratentorial ependymomas have 2 molecular subtypes, which has implications for responsiveness to adjuvant therapy and prognosis. Infratentorial ependymomas are biologically different from supratentorial ependymomas. Postoperative radiation improves local control.
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T, Gonzales Edmond, ed. Controversies in urology. Chicago: Year Book Medical Publishers, 1989.

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Thakur, Anand C. Pain Management Assessment Beyond the Physician Encounter. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199981830.003.0011.

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The long-term use of opioids in the treatment of chronic pain patients has increased dramatically over the last two decades. With this increase has come abuse, misuse, diversion, and overdose deaths, resulting in tremendous media attention. Further, there has been an increase in regulatory scrutiny of the prescribing practices of healthcare professionals. Monitoring patient compliance with chronic opioid therapy has become very important. Urine drug monitoring and patient agreements are part of this monitoring effort. However, interpreting test results can be challenging and applying these results to patient care can be complex. Metabolites, interfering substances, and false-positives and false-negative results all need to be considered when interpreting test results. Test results should not be considered sacrosanct and should always be an opportunity for discussion with a patient.
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Justaniah, Almamoon I. Permanent Ureteral Occlusion. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0090.

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Distal ureteral injuries are uncommon. When present, urine leakage may ensue. Common etiologies are gynecologic surgeries (75%), trauma, pelvic malignancy, and radiation therapy. Clinical presentation varies according to the location of leakage or fistula. For example, patients with ureterovaginal fistula may present with vaginal discharge. Patients with intra-abdominal leakage may develop urinoma or abscess. Unfortunately, most of these patients are poor surgical candidates due to prior surgery and/or radiation. Therefore, operative repair can be challenging and at times not a valid option. Transrenal ureteral occlusion may provide the best available option for such patients. A trial of urine diversion via percutaneous nephrostomy tube may allow spontaneous healing. If this fails, ureteral occlusion proximal to the leak/fistula can be attempted with a success rate up to 100%. Occlusion techniques include ureteral clipping, radiofrequency cauterization, embolization coils, Amplatzer vascular plugs, detachable balloons, absolute alcohol, and isobutyl-2-cyanoacrylate (glue).
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Stuart, Casey-Maslen, Clapham Andrew, Giacca Gilles, and Parker Sarah. Art.1 Object and Purpose. Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198723523.003.0005.

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This chapter examines Article 1 of theATT, which sets out the objectives and purpose of the ATT. The provision is divided into two parts, the first of which outlines the ‘object’ of the treaty, while the second part summarizes the ATT’s ‘purpose’. Article 1 sets the ‘highest possible common international standards’ for regulating the international trade in conventional arms; preventing and eradicating illicit trade and preventing diversion are stipulated as the treaty’s object. The purpose of the ATT is to contribute to international and regional peace, security, and stability; reduce human suffering; and promote co-operation, transparency, and responsible action by states parties in international trade in conventional arms, thereby ‘building confidence’ among them.
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Stuart, Casey-Maslen, Clapham Andrew, Giacca Gilles, and Parker Sarah. Art.13 Reporting. Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198723523.003.0017.

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This chapter examines Article 13 of the ATT. The article establishes transparency measures for states parties to the ATT by obliging each state party to submit an initial report on measures taken to implement the treaty within the first year of entry into force of the treaty for that state party. Thereafter, they are to report to the Secretariat on new measures taken to implement the treaty on an ad hoc basis, ‘when appropriate’. States parties are also encouraged to report on measures taken that have proven effective in addressing the diversion of transferred conventional arms on an ad hoc basis. The article is intended to promote compliance with the treaty and serve as a confidence-building measure in conformity with a central purpose of the treaty: to promote co-operation, transparency, and responsible action by states parties ‘thereby building confidence among them’ as set out in Article 1.
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Karen, Bellenir, ed. Drug abuse sourcebook: Basic consumer health information about illicit substances of abuse and the diversion of prescription medications, including depressants, hallucinogens, inhalants, marijuana, narcotics, stimulants, and anabolic steroids : along with facts about related health risks, treatment issues, and substance abuse prevention programs, a glossary of terms, statistical data, and directories of hotline services, self-help groups, and organizations able to provide further information. Detroit, MI: Omnigraphics, 2000.

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Book chapters on the topic "Diversional Therapy"

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Passik, Steven D., Alicia Trigeiro, Kenneth L. Kirsh, and Stuart Gitlow. "Commonly Used Interventions Intended to Limit Diversion and Abuse in Patients Receiving Opioid Therapy for Chronic Pain: Clinical Utility and Empirical Support." In Treating Comorbid Opioid Use Disorder in Chronic Pain, 131–40. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29863-4_11.

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Pergolizzi, Joseph V., Jo Ann LeQuang, Flaminia Coluzzi, Dean Mariano, Andrew Nicolaou, and Christopher Gharibo. "Opioid therapy." In Oxford Textbook of Palliative Medicine, edited by Nathan I. Cherny, Marie T. Fallon, Stein Kaasa, Russell K. Portenoy, and David C. Currow, 416–23. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198821328.003.0040.

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Opioid use disorder (OUD) is a prevalent condition associated with substantial morbidity, mortality, and healthcare utilization. Prescribers must rely on multiple tools and tactics to help reduce the risk of OUD. These include identification of risk factors for OUD and risk stratification, which must be individualized for each patient. Opioid diversion must be considered distinct from OUD and it has some unique risk factors. Aberrant drug-related behaviours may be observed in those taking opioids and may or may not suggest OUD; risk factors for OUD are dynamic. However, many aberrant drug-related behaviours may be harmless or misinterpreted. A variety of validated risk assessment tools are available to better quantify risk for OUD. An important factor in thwarting OUD remains patient and prescriber education as well as specialized resources such as patient–prescriber agreements, abuse-deterrent formulations of opioids, urine drug screens, and prescription drug monitoring programmes. There is no single, easy way to reduce OUD; instead, prescribers must be aware and make use of the many tools at their disposal to better pre-emptively identify those at elevated risk for OUD and to offer help to those who develop OUD over the course of prescribed opioid therapy.
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D. Armstrong, Jacob, Amy Bauman, Krystal J. Moroney, and C. Brendan Clark. "Assessment and Treatment of Addictions in Community Corrections." In Addictions - Diagnosis and Treatment [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96770.

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This chapter discusses the treatment of substance use disorders within community corrections populations. The history of substance abuse treatment within correctional populations is outlined to provide context for the current diversion and rehabilitation models currently in use. Common systems where treatment is provided such as mental health court, drug court, and TASC are described. Common forms of therapy including Cognitive Behavioral Therapy, Mindfulness, social skills training, pharmacotherapy, and smoking cessation are discussed. This chapter focuses on their effectiveness as well as how these forms of therapy differ in community corrections as compared to other populations. Finally, recommendations and future directions for research are provided.
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Loveren, Harry Van, Zeguang Ren, Pankaj Agarwalla, and Siviero Agazzi. "Unruptured Ophthalmic Artery Aneurysm Presenting with Vision Loss." In Cerebrovascular Neurosurgery, 61–68. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780190887728.003.0007.

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Abstract: Intracranial aneurysms pose a significant clinical challenge for cerebrovascular and endovascular neurosurgeons both in treatment decision-making and in the technical aspects. The most important question is whether the aneurysm has ruptured, thereby necessitating urgent treatment. In the unruptured ophthalmic artery aneurysm case with vision loss, the decision to treat rests on understanding the risk of hemorrhage, the success in addressing neurological deficits, and the morbidity of any potential treatment. Computed tomography angiography, conventional angiography, and magnetic resonance imaging are critical and complementary in the diagnosis and management of ophthalmic artery aneurysms, which have also been termed paraclinoid or junctional aneurysms. Due to technological advances, multiple treatment methods are possible, including surgical clipping, endovascular coiling, and flow diversion. Flow diversion is emerging as an effective, less invasive technique with good vision outcomes. This chapter discusses the data behind decision-making, reviews the surgical technique of flow diversion, and emphasizes important aspects of perioperative management.
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Oosthuizen, Helen. "‘There is a good spot in my heart’: A story of a music therapy group that enables young sex offenders to reconnect with themselves, their stories, and their communities." In Handbook of Music, Adolescents, and Wellbeing, 197–206. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198808992.003.0018.

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The South Africa-based ‘Support Programme for Abuse Reactive Children’ combines psycho-educational and cognitive behavioural diversion approaches with creative programmes, including music therapy, to offer holistic rehabilitation to young sex offenders. This chapter offers a case story describing key moments in the music therapy process for one group of young offenders. From my perspective as the music therapist, I consider how collaborative drumming enabled participants to experience belonging and acceptance and how musical story-writing and improvisation motivated group members to support and challenge one another as they took ownership of their personal stories. I further explore how the experience of creating and performing a group rap offered a means through which group members could reconnect with their home communities as adolescents with potential, hope for the future, and a willingness to take responsibility to make relevant changes in their lives.
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Miller, Elissa G. "I Need a Refill." In Pediatric Palliative Care, edited by Lindsay B. Ragsdale and Elissa G. Miller, 237–46. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780190051853.003.0033.

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Opioid misuse, abuse, and diversion are serious concerns due to the risk of addiction and death from overdose. Rising addiction and overdose rates in the United States have led providers to establish a set of standard practices by which they assess patient risk and monitor closely while the patient is receiving opioid therapy for pain management. Pediatric patients and their families are not immune to the risks of opioids, and they should therefore be monitored closely in accordance with the adult standard of care. This chapter discusses universal precautions for opioid prescribing and makes recommendations for pediatric palliative care providers.
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Hafemeister, Thomas L. "Alternatives and Closing Remarks." In Criminal Trials and Mental Disorders, 312–18. NYU Press, 2019. http://dx.doi.org/10.18574/nyu/9781479804856.003.0013.

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The concluding chapter, Chapter 12, notes alternatives—such as diversion and mental health courts—to the commonly employed criminal justice proceedings that are being explored in the hope that they may be better suited for processing defendants with a mental disorder and thereby help to resolve some of the thorniest issues faced by the criminal justice system and society. It closes by reiterating the challenging nature of this field and stresses the important role that forensic mental health evaluators and their evaluations can play.
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"Nutrients in Salmonid Ecosystems: Sustaining Production and Biodiversity." In Nutrients in Salmonid Ecosystems: Sustaining Production and Biodiversity, edited by Patrick A. Slaney, Bruce R. Ward, and James Craig Wightman. American Fisheries Society, 2003. http://dx.doi.org/10.47886/9781888569445.ch9.

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<em>Abstract.</em>—Oligtrophic streams are ubiquitous throughout coastal British Columbia, and thereby, significant nutrient influx can be provided externally via salmon carcasses. At the Keogh River on northern Vancouver Island, experimental nutrient addition was conducted from 1983 to 1986 to examine if potential increases in trophic productivity may augment growth and production of salmonid smolts. Subsequently, an applied treatment was conducted over the past decade at the infertile Salmon River to offset intensive logging impacts and to accelerate colonization of steelhead trout <em>Oncorhynchus mykiss </em>of headwater reaches above a hydroelectric diversion. The two rivers were treated with agricultural (dry, later liquid) fertilizers, while upstream control reaches were untreated. At Keogh, inorganic P and N were introduced to produce target soluble phosphorus concentrations of 10–15 mg per L, and N loadings of 50–100 mg per L over the four years of nutrient addition. Average peak algal biomass as chlorophyll <em>a </em>increased 5–10-fold in response to nutrient addition. Geometric mean weights of steelhead trout and coho salmon <em>O. kisutch </em>fry within several treated reaches were 1.4–2.0-fold higher than the control, and mean weights of steelhead parr were 30–130% greater in the three treated reaches. Average steelhead smolt yield in three brood years increased 62% (peak, 2.5-fold in 1987) over prefertilization years; yet there was no increase in average smolt size because mean smolt age was reduced by about one year. There were corresponding increases in returning adults and reported catches by steelhead anglers at the Keogh River, compared with trends at an adjacent river fishery. The response of coho smolts to nutrient addition was less marked, or a suggested 21% increase in numbers (<EM>P </EM>< 0.1) with no change in size, although results were moderated by production of coho smolts from several untreated tributaries and small lakes. At the upper Salmon River, where nutrient targets were reduced to one-third that of the Keogh, nutrient addition was associated with 3–7-fold higher benthic insect density in treated reaches than controls, and 2–3-fold greater mean weights and biomass of steelhead and rainbow trout in treated index sites than upstream, unfertilized sites. Over the decade, estimated numbers of steelhead parr and smolt migrants at the Salmon River diversion increased from about 1,500 to 8,000. The results at the Salmon River confirmed those of the Keogh and indicated that lower-level nutrient addition can produce a similar positive trophic response.
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Graf, William L. "Engineering Works." In Plutonium and the Rio Grande. Oxford University Press, 1995. http://dx.doi.org/10.1093/oso/9780195089332.003.0010.

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The hydrologic, sedimentologic, and geomorphic processes of the Northern Rio Grande as outlined in the previous chapters do not operate under natural, undisturbed conditions. Numerous engineering structures and activities have modified the processes and forms, and so an explanation of the movement and storage of contaminants in the system requires knowledge of the channelization and dam construction in the region. Channelization works are usually directed toward controlling the horizontal position of the channel, keeping it aligned in an economically advantageous arrangement, and maintaining a clear path for floodwaters to prevent them from spilling over the banks. The imposition of an artificial, stable channel on a naturally unstable system is rarely completely successful, but even with partial success, the newly defined system is a radical departure from the natural one. Floodwaters usually flow through modified channels at higher velocities than they do through natural channels, and so they may transmit more sediment in the channel. Low flows, however, may deposit sediment in the engineered channel, thereby reducing its efficiency and raising its bed. The abandonment of previously active minor channels or braided sections provides new areas of colonization for riparian vegetation, which may enhance sedimentation when flows exceed the capacity of the designed channel. The construction of dams obviously disrupts river processes in the reservoir area but has indirect effects throughout the river system because of newly instituted controls on flood flows, normal low flows, and sediment discharges. The first engineering structures on the Rio Grande probably appeared about A.D. 1200. With the collapse of irrigation societies in the Salt and Gila River valleys in Arizona and in tributaries of the San Juan River in Colorado and New Mexico, migrants moved into the Rio Grande Valley. By the time of the Spanish incursions in the middle and late sixteenth century, the native population had developed extensive irrigation systems along the entire Northern Rio Grande to support numerous pueblos.4 Diversion works on the main stream probably consisted of brush and boulder structures that directed the water into canal entrances through the low banks. These structures probably washed away with each spring flood.
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Conference papers on the topic "Diversional Therapy"

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Ban, V., M. Pernik, T. Binyamin, J. Corona, Y. Kim, R. de Oliveira Sillero, R. Novakovic, et al. "E-190 Determining the optimal timing of dual antiplatelet therapy for flow diversion." In SNIS 17TH ANNUAL MEETING. BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd., 2020. http://dx.doi.org/10.1136/neurintsurg-2020-snis.221.

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Khan, R. Ryan, and A. Choulakian. "E-072 Use of eptifibatide as an alternative to preoperative standard dual antiplatelet therapy load for pipeline intracranial aneurysm flow diversion." In SNIS 14TH, Annual Meeting, July 24–27, 2017, The Broadmoor, Colorado Springs, CO. BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd., 2017. http://dx.doi.org/10.1136/neurintsurg-2017-snis.144.

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Carvajal, E. I., Y. Caline, M. Rylance, K. Rice, J. Waters, and S. Wells. "Open-Hole Completion Based Mechanical Diversion of Acid/Chemical Stimulation Operations: Design, Deployment and Field Trial Results." In SPE Hydraulic Fracturing Technology Conference. SPE, 2015. http://dx.doi.org/10.2118/spe-173355-ms.

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Abstract The ubiquitous challenge that is faced by chemical stimulation techniques, of any kind, has always been achieving an economic and efficient distribution of the stimulation solution across the exposed reservoir interval. Many have approached this problem from a chemical perspective and others from the use of additives for mechanical diversion; however the very nature of stimulation itself means that a changing injection profile will make efficient diversion by such techniques uncertain and unpredictable. Instead, rather than relying on serendipitous deployment techniques, the approach described and reported here places true mechanical diversion as part of the well construction process. This paper will completely describe the process and achievements to date, including successful application in a number of horizontal wells completed in the Austin Chalk, as part of an overall deployment plan. Essentially, this new completion system comprises of multiple pressure actuated assemblies, distributed along the liner/casing. These assemblies, when activated, allow the lateral deployment of forty-foot needles, radially distributed at ninety-degree phasing around the casing, into the unstimulated reservoir. These subs can be precisely located across pre-selected intervals and thereby provide certainty of acid treatment distribution. The acid is pumped through the needles themselves during stimulation; however production takes place through a suite of ports. A bespoke debris basket may be run, after the stimulation treatment, in order to recover a suite of needle deployment indicators. This run, if performed, effectively establishes the success of the deployment. In order to demonstrate the concept and avoid the high-cost environment of the North Sea, a low cost field trial location was sought and identified. An Austin chalk operator was looked for that had an extensive horizontal candidate well set available for re-completion in open-hole. A number of candidate wells were then identified and the wells were recompleted and stimulated with this new system. This paper will present the entire suite of data related to these deployments, stimulation operations, lessons learned, production impact and potential. This novel technology was greatly assisted, supported and delivered via the Joint Chalk Research (JCR) council, comprising of some ten operating companies that encourage, fund and drive the development of carbonate completion and stimulation solutions.
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Kalabegishvili, M. "Engineer Solutions Decreasing Seepage Losses From Enguri Pressure Tunnel." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20533.

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The majority of pressure tunnels are designed with pervious concrete lining, considering limited parameters (quantity and opening) equidistributed cracks. In general, according to the requirements of building specifications admissible seepage losses from tunnel shall not exceed 1% of HPP design discharge. As shown by the operation of HPP’s the value of seepage losses is in reality much higher than the acceptable one. The Inguri HPP pressure tunnel (15 km in length and 9.5 m in diameter) passes in complex geological conditions. The maximum value of pressure at the beginning and end of tunnel is, correspondingly, 110–175 m, while the water level variability in the reservoir is 90 m. The main characteristic of the structure of diversion tunnel is that in the main part of its length it is represented as a single complex: concrete lining (0.5 m thick) with strengthened grouting zone (6 m deep). Such design decision replaced more traditional structures, e.g. strengthened concrete, combined or metal linings. The internal pressure of tunnel is borne by the monolithic mass formed by reinforcement grouting. Thereby lining operation is completely dependent on the parameters characteristic for the zone of strengthened grouting (resilient backpressure and perviousness), which must satisfy design values. Thus reinforcement grouting, along with filling grouting are integral parts of pressure tunnel, without which the operation of structure is practically impossible. At the initial stage of operation (in 1985, at the low level in the reservoir and under the impact of the increase of pressures from massif the loss of lining stability (of the wall and inverted arch) occurred. Presently, based on general assessment the seepage losses developed from tunnel reach up to 10 m3/sec, which thrice exceed the design ones. As a result of rehabilitation works (massif grouting and shotcrete lining) conducted in 2006 in certain sections of tunnel seepage losses were temporarily reduced. Subsequently seepage losses increased again due to the development of erosive leakage processes in massif. In the present work calculations were conducted of the seepage parameters and stress condition of the “tunnel-massif” system during filling and discharge of reservoir using a static-seepage coupled scheme, in which a complex geological structure of massif (anisotropy, presence of cracks), the deformation of massif and seepage body force developed in it are taken into consideration. The processes developed during operational period, including depression surface enlarged and the loss of concrete lining stability, are also analyzed. Inguri HPP is Georgia’s powerful energy object (capacity – 1300 MW, design head – 450 m). Clearly the reduction of seepage losses has a great impact on power generation. In future the rehabilitation of tunnel is envisaged, as alternative options of which shotcrete lining is viewed, the same with strengthening grouting zone and stressed lining (with expanding cement). The present work presents part of the research.
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