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      Dolor irruptivo oncológico inducido por radioterapia: ¿es posible optimizar su tratamiento? Translated title: Radiotherapy-induced breakthrough cancer pain: Is it possible to optimize its treatment?

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          Abstract

          Introducción: en el contexto de la radioterapia, el control del dolor irruptivo oncológico (DIO) supone un reto especial. El DIO ha sido definido por la Sociedad Española del Dolor (SED), la Sociedad Española de Oncología Médica (SEOM) y la Sociedad Española de Cuidados Paliativos (SECPAL) como una exacerbación del dolor súbita y transitoria, de gran intensidad (EVA > 7) y de corta duración (inferior a 20-30 minutos), que aparece sobre la base de un dolor persistente estable cuando este se encuentra reducido a un nivel tolerable (EVA < 5) mediante el uso de opioides mayores. Objetivos: el objetivo principal de este estudio fue evaluar la intensidad del DIO inducido por tratamientos oncológicos que incluyeran radioterapia (RT), tanto exclusiva como asociada a quimioterapia (RT/QT). Secundariamente, se evaluó la eficacia del tratamiento con fentanilo sublingual pautado para el control del DIO. Material y métodos: estudio observacional retrospectivo realizado en 110 pacientes reclutados en 19 Servicios de Radioterapia españoles. Los pacientes debían presentar DIO inducido por RT o RT/QT, con o sin medicación pautada y cuya intensidad fuera de una EVA > 6 en las últimas 24-48 h. Se establecieron controles en el momento basal, y a los 3, 7, 15 y 30 días. Resultados: se apreció un descenso en la media de los valores en la escala EVA según avanzó el estudio (EVA = 6 en el control 0 a EVA = 3 en el control 3), y las diferencias fueron significativas (p < 0,0001). La satisfacción con el tratamiento fue calificada como buena o excelente por el 85,3% de los pacientes y por el 92,7% de los investigadores. Conclusiones: los resultados de este estudio demuestran la eficacia del tratamiento del DIO con fentanilo sublingual en el contexto del tratamiento oncológico radioterápico, con un descenso significativo en los valores EVA frente al valor basal. La elevada satisfacción de los médicos y pacientes con este tratamiento refleja la eficacia y la comodidad del fentanilo sublingual en el control del DIO.

          Translated abstract

          Introduction: In the context of radiotherapy, control of breakthrough cancer pain (BTPc) is particularly challenging. BTPc has been defined by the Spanish Society of Pain (SED), the Spanish Society of Medical Oncology (SEOM) and the Spanish Society for Palliative Care (SECPAL) as a sudden and transient exacerbation of pain of great intensity (VAS > 7) and short (less than 20-30 minutes), which appears on the basis of a stable persistent pain when it is reduced to a tolerable level (VAS < 5) by using major opioids. Objectives: The main objective of this study was to assess the intensity of BTPc induced by cancer treatments that included radiotherapy (RT), both exclusive and associated with chemotherapy (RT/CT). Secondly, the efficacy of treatment was evaluated with fentanyl sublingual scheduled for BTPc control. Material and methods: Retrospective, observational study in 110 patients recruited in 19 Spanish Radiotherapy Services. Patients must have BTPc induced by RT or RT/CT, with or without medication prescribed and with an intensity outside a VAS > 6 in the last 24-48 h. Controls were established at baseline and at 3, 7, 15 and 30 days. Results: There was a decrease in mean values ??on the VAS scale as the study progressed (VAS = 6 in the control 0 to VAS = 3 in the control 3) and the differences were significant (p < 0.0001). Treatment satisfaction was rated as good or excellent by 85.3% of patients and 92.7% of researches. Conclusions: The results of this study demonstrate the efficacy of BTPc treatment with sublingual fentanyl in the context of the radiotherapy cancer treatment, with a significant decrease in VAS from baseline values??. The high satisfaction among physicians and patients with this treatment reflects the efficacy and convenience of sublingual fentanyl in controlling BTPc.

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          Use of opioid analgesics in the treatment of cancer pain: evidence-based recommendations from the EAPC.

          Here we provide the updated version of the guidelines of the European Association for Palliative Care (EAPC) on the use of opioids for the treatment of cancer pain. The update was undertaken by the European Palliative Care Research Collaborative. Previous EAPC guidelines were reviewed and compared with other currently available guidelines, and consensus recommendations were created by formal international expert panel. The content of the guidelines was defined according to several topics, each of which was assigned to collaborators who developed systematic literature reviews with a common methodology. The recommendations were developed by a writing committee that combined the evidence derived from the systematic reviews with the panellists' evaluations in a co-authored process, and were endorsed by the EAPC Board of Directors. The guidelines are presented as a list of 16 evidence-based recommendations developed according to the Grading of Recommendations Assessment, Development and Evaluation system. Copyright © 2012 Elsevier Ltd. All rights reserved.
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            Breakthrough pain: definition, prevalence and characteristics.

            In the cancer population, the term breakthrough pain typically refers to a transitory flare of pain in the setting of chronic pain managed with opioid drugs. The prevalence and characteristics of this phenomenon have not been defined, and its impact on patient care is unknown. We developed operational definitions for breakthrough pain and its major characteristics, and applied these in a prospective survey of patients with cancer pain. Data were collected during a 3 month period from consecutive patients who reported moderate pain or less for more than 12 h daily and stable opioid dosing for a minimum of 2 consecutive days. Of 63 patients surveyed, 41 (64%) reported breakthrough pain, transient flares of severe or excruciating pain. Fifty-one different pains were described (median 4 pains/day; range 1-3600). Pain characteristics were extremely varied. Twenty-two (43%) pains were paroxysmal in onset; the remainder were more gradual. The duration varied from seconds to hours (median/range: 30 min/1-240 min), and 21 (41%) were both paroxysmal and brief (lancinating pain). Fifteen (29%) of the pains were related to the fixed opioid dose, occurring solely at the end of the dosing interval. Twenty-eight (55%) of the pains were precipitated; of these, 22 were caused by an action of the patient (incident pain), and 6 were associated with a non-volitional precipitant, such as flatulence. The pathophysiology of the pain was believed to be somatic in 17 (33%), visceral in 10 (20%), neuropathic in 14 (27%), and mixed in 10 (20%). Pain was related to the tumor in 42 (82%), the effects of therapy in 7 (14%), and neither in 2 (4%). Diverse interventions were employed to manage these pains, with variable efficacy. These data clarify the spectrum of breakthrough pains and indicate their importance in cancer pain management.
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              The management of cancer-related breakthrough pain: recommendations of a task group of the Science Committee of the Association for Palliative Medicine of Great Britain and Ireland.

              A task group of the Science Committee of the Association for Palliative Medicine of Great Britain and Ireland (APM) was convened to produce some up-to-date, evidence-based, practical, clinical guidelines on the management of cancer-related breakthrough pain in adults. On the basis of a review of the literature, the task group was unable to make recommendations about any individual interventions, but was able to make a series of 12 recommendations about certain generic strategies. However, most of the aforementioned recommendations are based on limited evidence (i.e., case series, expert opinion). The task group also proposed a definition of breakthrough pain, and some diagnostic criteria for breakthrough pain.
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                Author and article information

                Contributors
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                Journal
                dolor
                Revista de la Sociedad Española del Dolor
                Rev. Soc. Esp. Dolor
                Sociedad Española del Dolor (Madrid )
                1134-8046
                August 2015
                : 22
                : 4
                : 159-164
                Affiliations
                [1 ] Hospital Universitario Central de Asturias
                [2 ] Hospital Jove
                [3 ] Hospital de Basurto
                [4 ] Hospital de Txagorritxu
                [5 ] Hospital de Castellón
                [6 ] Hospital Universitario La Fe
                [7 ] Centro Oncológico de Galicia
                [8 ] Hospital Universitario de Santiago
                [9 ] Hospital Universitario de la Ribera
                [10 ] Hospital Quirón Torrevieja
                [11 ] Hospital Nuestra Señora de la Candelaria
                [12 ] Hospital Clínico Universitario Lozano Blesa
                [13 ] Hospital de Navarra
                [14 ] Hospital Cristal del Complejo Hospitalario de Orense
                [15 ] Hospital Cristal del Complejo Mexoeiro de Vigo
                [16 ] Hospital Miguel Servet
                Article
                S1134-80462015000400003
                10.4321/S1134-80462015000400003
                a7a57d38-87cc-42f8-9435-16e4e4dbc6e3

                http://creativecommons.org/licenses/by/4.0/

                History
                Categories
                CRITICAL CARE MEDICINE

                Emergency medicine & Trauma
                Breakthrough cancer pain,Radiotherapy,Fentanyl sublingual,Dolor irruptivo oncológico,Radioterapia,Fentanilo sublingual

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