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Pharmacokinetics and pharmacodynamics of oral oxycodone : role of active metabolites /Lalovic, Bojan, January 2003 (has links)
Thesis (Ph. D.)--University of Washington, 2003. / Vita. Includes bibliographical references (leaves 150-161).
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Genetic differences in neuropathy and opioid responses in rats /Bulka, Aleksandra, January 2003 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2003. / Härtill 5 uppsatser.
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Behavioural and neurochemical effects of long-lasting inflammatory pain /Heilborn, Umut, January 2007 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2007. / Härtill 4 uppsatser.
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Pharmacokinetics and pharmacodynamics of oxycodone and morphine with emphasis on blood-brain barrier transport /Boström, Emma, January 2007 (has links)
Diss. (sammanfattning) Uppsala : Uppsala universitet, 2007. / Härtill 4 uppsatser.
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Repercussão da substituição da infusão venosa de fentanil por metadona enteral sobre o tempo de desmame da ventilação mecânica em pacientes graves internados em unidades de terapia intensiva de adultos / Effect of substitution of intravenous infusion of fentanyl by enteral methadone on the time of weaning from mechanical ventilation in critically ill patients in intensive care units for adultsWanzuita, Raquel 11 August 2011 (has links)
INTRODUÇÃO:Pacientes em ventilação mecânica (VM) são freqüentemente submetidos ao uso prolongado e/ou a doses elevadas de opióides, que durante a retirada podem causar abstinência dificultando o desmame da VM. Objetivo: testar a hipótese de que a introdução da metadona enteral na fase de desmame da sedação e analgesia em pacientes adultos graves sob VM diminui o tempo de desmame da VM. MÉTODOS: Estudo prospectivo, randomizado, controlado e duplo-cego, realizado entre abril de 2005 e outubro de 2009, em quatro Unidades de Terapia Intensiva (UTIs) de adultos de Joinville, SC. Foram randomizados 75 pacientes que apresentavam critérios para desmame da VM e estavam em uso de fentanil por mais de cinco dias consecutivos ou infusão ³ 5 g/kg/h por 12 horas. Os pacientes foram randomizados em dois grupos: Grupo Metadona (GM) e Grupo Controle (GC). Nas primeiras 24 horas após a inclusão os dois grupos receberam 80% da dose original do fentanil. Ao GM administrou-se metadona via enteral (10 mg cada 6 horas), e ao GC administrou-se placebo via enteral. Após as primeiras 24 horas acrescentou-se infusão intravenosa de solução salina (placebo) no GM, enquanto o GC recebeu infusão de solução intravenosa de fentanil. Em ambos os grupos, a solução venosa foi reduzida em 20% a cada 24 horas. Episódios de intolerância à retirada de opióide foram medicados com suplementação de opióide. Os grupos foram comparados entre si avaliando-se o tempo de desmame da VM, tempo de VM, permanência na UTI e permanência hospitalar. RESULTADOS: Dos 75 pacientes randomizados, sete foram excluídos e 68 foram analisados: 37 no GM e 31 no GC. Entre o início do desmame e a extubação, observou-se maior probabilidade de antecipação da extubação no GM, porém a diferença não foi significativa (Hazard Ratio: 1,52 (IC 95% 0,87 a 2,64; p = 0,11). Analisando-se o intervalo entre a randomização e o quinto dia do desmame da VM, a probabilidade de sucesso de desmame foi significativamente maior no GM (Hazard Ratio: 2,64 (IC 95%: 1,22 a 5,69; p < 0,02). Dentre os 54 pacientes que completaram o desmame da VM (29 do GM e 25 do GC), o tempo de desmame da VM foi significativamente menor no GM (Hazard Ratio: 2.06; IC 95% 1.17 a 3.63; p < 0.004). Não houve diferença entre os grupos com relação ao tempo de VM, permanência na UTI e permanência hospitalar. CONCLUSÃO: a introdução da metadona enteral na fase de desmame da sedação e analgesia de pacientes adultos graves sob VM resultou na diminuição do tempo de desmame da VM / INTRODUCTION: Patients on mechanical ventilation (MV) are often subjected to prolonged use and / or high doses of opioids, which when removed can cause withdrawal syndrome and to difficult weaning from MV. Objective: to test the hypothesis that the introduction of enteral methadone in weaning from sedation and analgesia in critically ill adult patients on MV decreases the time of weaning from MV. METHODS: Prospective, randomized, controlled, double-blind trial, conducted between April 2005 and October 2009 in ICUs of four hospitals in Joinville, SC. We randomized 75 patients who met the criteria for weaning from MV and were using fentanyl for more than 5 consecutive days or infusion ³ 5 g/ kg / h for 12 hours. Patients were randomized into two groups: Methadone group (MG) and Control Group (CG). At first 24 hours both groups received 80% of the original dose of fentanyl and received, additionally, enteral methadone (10mg qid) or enteral placebo. After the first 24 hours, MG: received enteral methadone (10mg qid) and intravenous placebo. CG received enteral placebo and intravenous fentanyl. In both groups, the blinded intravenous solutions were reduced by 20% of the original dose, every 24 hours. Episodes of intolerance opioid withdrawal were treated with supplemental opioid. The groups were compared by evaluating the time of weaning from MV, duration of MV, ICU and hospital stay.RESULTS: Of 75 randomized patients, 7 were excluded and 68 were analyzed: 37 at MG and 31 in CG. Between the beggining of weaning and extubation, there was a greater probability of anticipation of extubation in the MG, but the difference was not significant. (Hazard Ratio: 1,52 (IC 95% 0,87 a 2,64; p = 0,11). Analyzing the interval between randomization and the fifth day of weaning from MV, the probability of successful weaning was significantly higher in GM (Hazard Ratio: 2,64 (IC 95%: 1,22 a 5,69; p < 0,02). Within the 54 patients who completed the weaning from MV (29 on the MG and 25 on the CG), weaning time from MV was significantly less in the MG (Hazard Ratio: 2.06; IC 95% 1.17 a 3.63; p < 0.004). There was no difference between the two groups with respect the duration of MV, length of ICU stay and hospital stay. CONCLUSÃO: the introduction of enteral methadone in weaning from sedation and analgesia of critically ill adult patients on MV decreased the time of weaning from MV
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Neuropeptide release in the rat dorsal horn in models of persistent pain : effects of opioids /Afrah, Abdullahi Warsame, January 2002 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2002. / Härtill 6 uppsatser.
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Repercussão da substituição da infusão venosa de fentanil por metadona enteral sobre o tempo de desmame da ventilação mecânica em pacientes graves internados em unidades de terapia intensiva de adultos / Effect of substitution of intravenous infusion of fentanyl by enteral methadone on the time of weaning from mechanical ventilation in critically ill patients in intensive care units for adultsRaquel Wanzuita 11 August 2011 (has links)
INTRODUÇÃO:Pacientes em ventilação mecânica (VM) são freqüentemente submetidos ao uso prolongado e/ou a doses elevadas de opióides, que durante a retirada podem causar abstinência dificultando o desmame da VM. Objetivo: testar a hipótese de que a introdução da metadona enteral na fase de desmame da sedação e analgesia em pacientes adultos graves sob VM diminui o tempo de desmame da VM. MÉTODOS: Estudo prospectivo, randomizado, controlado e duplo-cego, realizado entre abril de 2005 e outubro de 2009, em quatro Unidades de Terapia Intensiva (UTIs) de adultos de Joinville, SC. Foram randomizados 75 pacientes que apresentavam critérios para desmame da VM e estavam em uso de fentanil por mais de cinco dias consecutivos ou infusão ³ 5 g/kg/h por 12 horas. Os pacientes foram randomizados em dois grupos: Grupo Metadona (GM) e Grupo Controle (GC). Nas primeiras 24 horas após a inclusão os dois grupos receberam 80% da dose original do fentanil. Ao GM administrou-se metadona via enteral (10 mg cada 6 horas), e ao GC administrou-se placebo via enteral. Após as primeiras 24 horas acrescentou-se infusão intravenosa de solução salina (placebo) no GM, enquanto o GC recebeu infusão de solução intravenosa de fentanil. Em ambos os grupos, a solução venosa foi reduzida em 20% a cada 24 horas. Episódios de intolerância à retirada de opióide foram medicados com suplementação de opióide. Os grupos foram comparados entre si avaliando-se o tempo de desmame da VM, tempo de VM, permanência na UTI e permanência hospitalar. RESULTADOS: Dos 75 pacientes randomizados, sete foram excluídos e 68 foram analisados: 37 no GM e 31 no GC. Entre o início do desmame e a extubação, observou-se maior probabilidade de antecipação da extubação no GM, porém a diferença não foi significativa (Hazard Ratio: 1,52 (IC 95% 0,87 a 2,64; p = 0,11). Analisando-se o intervalo entre a randomização e o quinto dia do desmame da VM, a probabilidade de sucesso de desmame foi significativamente maior no GM (Hazard Ratio: 2,64 (IC 95%: 1,22 a 5,69; p < 0,02). Dentre os 54 pacientes que completaram o desmame da VM (29 do GM e 25 do GC), o tempo de desmame da VM foi significativamente menor no GM (Hazard Ratio: 2.06; IC 95% 1.17 a 3.63; p < 0.004). Não houve diferença entre os grupos com relação ao tempo de VM, permanência na UTI e permanência hospitalar. CONCLUSÃO: a introdução da metadona enteral na fase de desmame da sedação e analgesia de pacientes adultos graves sob VM resultou na diminuição do tempo de desmame da VM / INTRODUCTION: Patients on mechanical ventilation (MV) are often subjected to prolonged use and / or high doses of opioids, which when removed can cause withdrawal syndrome and to difficult weaning from MV. Objective: to test the hypothesis that the introduction of enteral methadone in weaning from sedation and analgesia in critically ill adult patients on MV decreases the time of weaning from MV. METHODS: Prospective, randomized, controlled, double-blind trial, conducted between April 2005 and October 2009 in ICUs of four hospitals in Joinville, SC. We randomized 75 patients who met the criteria for weaning from MV and were using fentanyl for more than 5 consecutive days or infusion ³ 5 g/ kg / h for 12 hours. Patients were randomized into two groups: Methadone group (MG) and Control Group (CG). At first 24 hours both groups received 80% of the original dose of fentanyl and received, additionally, enteral methadone (10mg qid) or enteral placebo. After the first 24 hours, MG: received enteral methadone (10mg qid) and intravenous placebo. CG received enteral placebo and intravenous fentanyl. In both groups, the blinded intravenous solutions were reduced by 20% of the original dose, every 24 hours. Episodes of intolerance opioid withdrawal were treated with supplemental opioid. The groups were compared by evaluating the time of weaning from MV, duration of MV, ICU and hospital stay.RESULTS: Of 75 randomized patients, 7 were excluded and 68 were analyzed: 37 at MG and 31 in CG. Between the beggining of weaning and extubation, there was a greater probability of anticipation of extubation in the MG, but the difference was not significant. (Hazard Ratio: 1,52 (IC 95% 0,87 a 2,64; p = 0,11). Analyzing the interval between randomization and the fifth day of weaning from MV, the probability of successful weaning was significantly higher in GM (Hazard Ratio: 2,64 (IC 95%: 1,22 a 5,69; p < 0,02). Within the 54 patients who completed the weaning from MV (29 on the MG and 25 on the CG), weaning time from MV was significantly less in the MG (Hazard Ratio: 2.06; IC 95% 1.17 a 3.63; p < 0.004). There was no difference between the two groups with respect the duration of MV, length of ICU stay and hospital stay. CONCLUSÃO: the introduction of enteral methadone in weaning from sedation and analgesia of critically ill adult patients on MV decreased the time of weaning from MV
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Nursing advocacy and the accuracy of intravenous to oral opioid conversion at discharge in the cancer patientGallo, Maria L. January 2009 (has links)
Thesis (M.S.)--University of South Florida, 2009. / Title from PDF of title page. Document formatted into pages; contains 35 pages. Includes bibliographical references.
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Use of Opioids for Pain Management in Nursing Homes: A DissertationPimentel, Camilla B. 06 April 2015 (has links)
Nursing homes are an essential yet understudied provider of cancer-related care for those with complex health needs. Nine percent of nursing home residents have a cancer diagnosis at admission, and it is estimated that one-third of them experience pain on a daily basis. Although pain management is an essential component of disease treatment, few studies have evaluated analgesic medication use among adults with cancer in this setting. Use of opioids, which are the mainstay of pain management in older adults because of their effectiveness in controlling moderate to severe pain, may be significantly related to coverage by the Medicare Part D prescription drug benefit. However, little is known about Medicare Part D’s effects on opioid use in this patient population. A limited body of evidence also suggests that despite known risks of overdose and respiratory depression in opioid-naïve patients treated with long-acting opioids, use of these agents may be common in nursing homes.
This dissertation examined access to appropriate and effective pain-related health care services among US nursing home residents, with a special focus on those with cancer. Objectives of this dissertation were to: 1) estimate the prevalence, and identify resident-level correlates, of pain and receipt of analgesic medications; 2) use a quasi-experimental research design to examine the relationship between implementation of Medicare Part D and changes in the use of fentanyl patches and other opioids; and 3) to estimate the prevalence, and identify resident-level correlates, of naïve initiation of long-acting opioids. Data on residents’ health status from the Resident Assessment Instrument/Minimum Data Set (versions 2.0 and 3.0) were linked with prescription drug transaction data from a nationwide long-term care pharmacy (January 2005–June 2007) and the Centers for Medicare and Medicaid Services (January–December 2011).
From 2006 to 2007, more than 65% of residents of nursing homes throughout the US with cancer experienced pain (28.3% on a daily basis), among whom 13.5% reported severe pain. More than 17% of these residents who experienced daily pain received no analgesics (95% confidence interval [CI]: 16.0–19.1%), and treatment was negatively associated among those with advanced age, cognitive impairment, feeding tubes, and restraints. These findings coincided with changing patterns in opioid use among residents with cancer, including relatively abrupt 10% and 21% decreases in use of fentanyl patches and other strong opioids, respectively, after the 2006 implementation of Medicare Part D. In the years since Medicare Part D was introduced, some treatment practices in nursing homes have not been concordant with clinical guidelines for pain management among older adults. Among a contemporary population of long-stay nursing home residents with and without cancer, 10.0% (95% CI: 9.4–10.6%) of those who began receiving a long-acting opioid after nursing home admission had not previously received opioid therapy. Odds of naïve initiation of these potent opioids were increased among residents with terminal prognosis, functional impairment, feeding tubes, and cancer.
This dissertation provides new evidence on pharmaceutical management of pain and on Medicare Part D’s impact on opioid use in nursing home residents. Results from this dissertation shed light on nursing home residents’ access to pain-related health care services and provide initial directions for targeted efforts to improve the quality of pain treatment in nursing homes.
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