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      Revisión bibliográfica: Efectos del ejercicio en la presión intraocular Translated title: Revisão da literatura: efeitos do exercício na pressão intra-ocular Translated title: Literature Review: Effects of Exercise on Intraocular Pressure

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          Abstract

          Resumen Introducción: La relación entre la presión intraocular (PIO) y el ejercicio agudo se ha venido estudiando en los últimos años. Se ha encontrado que el ejercicio agudo tiene un efecto positivo en la PIO; sin embargo, el ejercicio aeróbico y el ejercicio contra resistencia presentan resultados diferentes. En cuanto al ejercicio aeróbico agudo, brinda un efecto positivo en la PIO, ya que esta disminuye. Mientras que el ejercicio contra resistencia presenta una variabilidad en los resultados obtenidos de acuerdo con las investigaciones consultadas. Propósito: Mostrar los resultados obtenidos de las investigaciones relacionadas con el ejercicio aeróbico y el ejercicio contra resistencia de forma aguda en la presión intraocular, para así poder brindar recomendaciones a poblaciones sanas y con glaucoma. Método: Revisión de bibliografía, búsqueda de artículos científicos en las siguientes bases de datos: SportDiscus con texto completo, psycINFO, Psychology and Behavioral Sciences Collection, Rehabilitation & Sports Medicine Source, Google Académico, Research Gate, PubMed. Resultados: El ejercicio aeróbico agudo pareciera tener un efecto significativo sobre la presión intraocular, pues la disminuye. Este resultado se presenta en personas sedentarias y con glaucoma. Para personas físicamente activas o atletas, para lograr reducir la PIO es necesario realizar ejercicio a intensidades más altas, comparado con personas sedentarias. Con respecto a la duración de ejercicio aeróbico agudo, parece que con solo cinco minutos se produce una disminución sobre la PIO. Al finalizar el ejercicio, el efecto agudo del ejercicio aeróbico se mantiene por un corto tiempo sobre la PIO. Son necesarias más investigaciones de efecto crónico. Igualmente, se necesitan más estudios que involucren variables como sexo y edad dentro de los análisis y no como estadística descriptiva, para así conocer el efecto del ejercicio sobre estas mismas. Con respecto a los ejercicios de contra resistencia, la parte superior del cuerpo aumenta más la PIO, al compararlos con ejercicios de laparte inferior. Los ejercicios de contra resistencia de alta intensidad aumentan la PIO. Conclusiones: Los resultados demuestran que las personas con condición visual normal y con glaucoma pueden realizar ejercicio aeróbico y logran un efecto positivo en su salud visual. Por otro lado, debido a la falta de investigación en ejercicio de contra resistencia, se recomienda que se realicen estudios con intensidades bajas, según los datos obtenidos en esta revisión. Con respecto a la calidad de los estudios encontrados podrían mejorarse los diseños en las investigaciones: la mayoría no contó con grupos controles,tampoco especificaron la intensidad del ejercicio e incluso les faltó incluir aspectos descriptivos necesarios para poder contar con información más clara.

          Translated abstract

          Resumo Introdução A relação entre a pressão intraocular (PIO) e o exercício agudo foi estudada nos últimos anos. Descobrindo que o exercício agudo tem um efeito positivo na PIO, no entanto, o exercício aeróbico e o exercício de resistência têm resultados diferentes. No que diz respeito ao exercício aeróbico agudo, pode mencionar-se que tem um efeito positivo na PIO, uma vez que esta diminui. Enquanto o exercício de resistência dá uma variabilidade nos resultados obtidos de acordo com as pesquisas consultadas. Objetivo: Mostrar os resultados obtidos em pesquisas relacionadas ao exercício aeróbio e ao exercício de resistência aguda na pressão intraocular, a fim de fornecer recomendações para populações saudáveis e com glaucoma. Métodos: revisão de literatura, busca de artigos científicos nas seguintes bases de dados: SportDiscus com texto completo, psycINFO, Psychology and Behavioral Sciences Collection, Rehabilitation & Sports Medicine Source, Google Academic, Research Gate, PubMed. Resultados: O exercício aeróbio agudo parece ter um efeito significativo em diminuir a pressão intraocular, este resultado ocorre em pessoas sedentárias com glaucoma. Para pessoas fisicamente ativas ou atletas parece que, para reduzir a PIO é necessário se exercitar em maiores intensidades, em comparação com pessoas sedentárias. Com relação à duração do exercício aeróbico agudo, parece que, com apenas cinco minutos, há uma diminuição da PIO. No final do exercício, o efeito agudo do exercício aeróbico parece ser mantido por um curto período de tempo na PIO, sendo necessária mais pesquisa de efeitos crônicos. Da mesma forma, são necessárias mais pesquisas envolvendo variáveis como sexo e idade dentro da análise do estudo e não como estatística descritiva, com o fim de conhecer o efeito do exercício sobre essas variáveis. Com relação aos exercícios de resistência, a parte superior do corpo aumenta mais a PIO comparada aos exercícios da parte inferior do corpo. Exercícios de resistência de alta intensidade aumentam a PIO. Conclusões: Os resultados mostram que pessoas com visão normal e glaucoma podem realizar exercícios aeróbicos, obtendo um efeito positivo na sua saúde visual. Por outro lado, há uma falta de pesquisas sobre o exercício de resistência, sendo recomendável que esses estudos sejam realizados com baixas intensidades, de acordo com os dados obtidos nesta revisão. Com relação à qualidade dos estudos encontrados, os desenhos de pesquisa puderam ser melhorados, a maioria não possuía grupos controle, nem especificavam a intensidade do exercício, e ainda faltavam os aspectos descritivos necessários para poder ter informações mais claras.

          Translated abstract

          Abstract Introduction: The relationship between intraocular pressure (IOP) and acute exercise has been studied in recent years. It has been found that acute exercise has a positive effect on IOP; however, aerobic exercise and strength exercise present different results.As for acute aerobic exercise, it can be mentioned that it provides a positive effect on the intraocular pressure since it decreases, while the strength exercise gives variability in the results obtained according to the research studies consulted. Purpose: Show the results obtained from the investigation related to the aerobic exercise and strength exercise and intraocular pressure in order to provide recommendations to healthy populations with glaucoma. Methods: The literature review searched for articles in the following databases: SportDiscus with complete text, PsycINFO, Psychology and Behavioral Sciences Collection, Rehabilitation & Sports Medicine Source, Google academics, Research Gate, PubMed. Results: Acute aerobic exercise seems to have a significant effect on intraocular pressure: it decreases it.This result occurs in sedentary people with glaucoma. For physically active people or athletes, in order to reduce IOP, it is necessary to exercise at higher intensities compared to sedentary people.Regarding the length of acute aerobic exercise, it seems that, with only 5 minutes, there is a decrease in IOP. At the end of the exercise, the acute effect of aerobic exercise seems to be maintained for a short time in the IOP; more research on the chronic effect is necessary. Also, more research is needed and should involve variables, such as sex and age, within the study analyses and not as descriptive statistics, in order to know the effect of exercise on them.Regarding the strength exercises, the IOPincreasesin the upper part of the body when compared with exercises in the lower part. High-intensity strength exercises increase the IOP. Conclusions: The results show that people with normal visual condition and glaucoma can perform aerobic exercise, achieving a positive effect on their visual health. On the other hand, there is a lack of research in strength exercise; it is recommended that these studies be conductedat low intensities, according to the data obtained in this review.Regarding the quality of the studies found, the designs could be improved in the investigations.Most of these studies did not have control groups, nor did they specify the intensity; besides, they missed including descriptive aspects needed to be able to have more accurate information.

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          Most cited references30

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          Evaluation of quality of life and priorities of patients with glaucoma.

          To investigate the quality of life and priorities of patients with glaucoma. Patients diagnosed with glaucoma and no other ocular comorbidity were consecutively recruited. Clinical information was collected. Participants were asked to complete three questionnaires: EuroQuol (EQ-5D), time tradeoff (TTO), and choice-based conjoint analysis. The latter used five-attribute outcomes: (1) reading and seeing detail, (2) peripheral vision, (3) darkness and glare, (4) household chores, and (5) outdoor mobility. Visual field loss was estimated by using binocular integrated visual fields (IVFs). Of 84 patients invited to participate, 72 were enrolled in the study. The conjoint utilities showed that the two main priorities were "reading and seeing detail" and "outdoor mobility." This rank order was stable across all segmentations of the data by demographic or visual state. However, the relative emphasis of these priorities changed with increasing visual field loss, with concerns for central vision increasing, whereas those for outdoor mobility decreased. Two subgroups of patients with differing priorities on the two main attributes were identified. Only 17% of patients (those with poorer visual acuity) were prepared to consider TTO. A principal component analysis revealed relatively independent components (i.e., low correlations) between the three different methodologies for assessing quality of life. Assessments of quality of life using different methodologies have been shown to produce different outcomes with low intercorrelations between them. Only a minority of patients were prepared to trade time for a return to normal vision. Conjoint analysis showed two subgroups with different priorities. Severity of glaucoma influenced the relative importance of priorities.
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            Ocular blood flow changes after dynamic exercise in humans.

            To investigate control mechanisms for ocular blood flow changes after dynamic exercise using two different methods. Changes over time in the tissue blood flow in the retina and choroid-retina of healthy volunteers were determined after dynamic exercise (Master's double two-step test), using scanning laser Doppler flowmetry (SLDF) and laser speckle flowgraphy (LSFG). Changes in intraocular pressure (IOP), blood pressure, plasma CO(2) gas concentration (pCO(2)), and levels of nitric oxide (NO) metabolites were examined. Retinal blood flow measured by SLDF increased significantly only at 15 min after exercise. In contrast, normalized blur (NB) values in the choroid-retina, obtained by LSFG, increased significantly up to 60 min after exercise. Ocular perfusion pressure (OPP), calculated from IOP and blood pressure, increased significantly immediately and 15 min after exercise. The plasma NO metabolite levels increased significantly, although pCO(2) levels were unchanged. Dynamic exercise changes OPP and produces increased tissue blood flow in the retina in the immediate postexercise period, while blood flow increases more persistently in the choroid-retina. Difference in control of blood flow in these two regions may be related to stronger autoregulatory mechanism of blood flow in the retina. Nitric oxide may play a role in the regulation of blood flow.
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              Influence of Exercise on Intraocular Pressure, Schlemm's Canal, and the Trabecular Meshwork.

              We aimed to assess the changes in IOP, Schlemm's canal (SC), and the trabecular meshwork (TM) in healthy individuals after exercise.
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                Author and article information

                Contributors
                Role: ND
                Journal
                mhs
                MHSalud
                MHSalud
                Escuela de Ciencias del Movimiento Humano y Calidad de Vida, Universidad Nacional (Heredia, Heredia, Costa Rica, Costa Rica )
                1659-097X
                December 2019
                : 16
                : 2
                : 1-16
                Affiliations
                [1] Heredia Heredia orgnameUniversidad Nacional Costa Rica caroaleman@ 123456gmail.com
                Article
                S1659-097X2019000200001
                10.15359/mhs.16-2.1
                a8131aba-52b8-4c20-a15a-ca27e5d0051e

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

                History
                : 26 September 2018
                : 15 May 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 33, Pages: 16
                Product

                SciELO Costa Rica

                Categories
                Artículo

                actividad física,Presión intraocular,glaucoma,ejercicio aeróbico,ejercicio contra resistencia,intraocular pressure,physical activity,aerobic exercise,strength exercise,pressão intraocular,exercício aeróbio,exercício de resistência,atividade física

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