ResumoA violência no trânsito é um crescente problema para a saúde pública no mundo, pois seus danos têm como consequências além da mortalidade, as incapacidades deixadas pelo trauma e a sobrecarga no sistema de saúde. Campo Grande é a sétima capital brasileira com maior violência no trânsito, o que motivou o presente estudo, que teve por objetivo avaliar a capacidade funcional de vítimas de acidentes de trânsito. Participaram da pesquisa 100 pacientes vítimas de acidentes de trânsito, internados no setor de ortopedia da Sociedade Beneficente de Campo Grande -Santa Casa e foram utilizadas as escalas de atividades de vida diária -AVD, de atividades instrumentais de vida diária -AIVD, escala de trauma para avaliação da dor e retorno ao trabalho. A avaliação da capacidade funcional permitiu identificar que a totalidade dos indivíduos apresentou dependência funcional ou parcial total no pós-trauma e a maioria ficou incapaz de retornar ao trabalho que exercia anteriormente ao evento traumático, privando-se de realizar tarefas que faziam sem restrições, o que impacta negativamente a saúde e a vida dessas pessoas e de seus familiares. DO SUL, 2015). PalavrasProjeções para o ano 2020 apontam que os acidentes de trânsito ocuparão o terceiro lugar nas causas gerais de morbidade mundial, no entanto, essa projeção só se concretizará se os países de baixa e média renda não adotarem medidas necessárias a esse respeito, sobretudo os países em desenvolvimento. As consequências são amplamente conhecidas, tanto pelos custos que representam quanto pela dificuldade do atendimento que demandam (ARTIKOVA et al., 2011).Estima-se que cerca de 50 milhões de pessoas sofrem lesões decorrentes de acidentes de trânsito, sendo que de 15% a 20% dos afetados apresentam sequelas que impactam

Background Dysfunctional breathing (DB) is a common, but largely underappreciated, cause of chronic dyspnoea. Under visual inspection, most subjects with DB present with larger sequential changes in ventilation (V̇E) and breathing pattern (tidal volume (VT) and breathing frequency (f)) before and/or during incremental cardiopulmonary exercise testing (CPET). Currently, however, there are no objective criteria to indicate increased ventilatory variability in these subjects. Methods Twenty chronically dyspnoeic subjects with DB and 10 age‐ and sex‐matched controls performed CPET on a cycle ergometer. Cut‐offs to indicate increased V̇E, VT, f, and f/VT ratio variability (Δ = highest‐lowest 20 s arithmetic mean) over the last resting minute (rest), the 2sd min of unloaded exercise (unload), and the 3rd min of loaded exercise (load) were established by ROC curve analyses. Results Subjects with DB presented with increased V̇E, higher ventilatory variability, higher dyspnoea burden, and lower exercise capacity compared to controls (p < 0.05). ΔV̇Eload (>4.1 L/min), Δfrest (>5 breaths/min; bpm), Δfunload (>4 bpm), Δfload (>5 bpm), Δf/VTrest (>4.9 bpm/L), and Δf/VTload (>1.3 bpm/L) differentiated DB from a normal pattern (areas under the curve ranging from 0.729 to 0.845). High Δf, in particular, was associated with DB across all CPET phases. Conclusions This study provides objective criteria to indicate increased ventilatory variability during incremental CPET in dyspnoeic subjects with DB. Large variability in breathing frequency seems particularly useful in this context, a finding that should be prospectively confirmed in larger studies.

<b><i>Introduction:</i></b> A healthy arteriovenous fistula (AVF) depends on adequate vessel diameter which can be maintained through aerobic exercises. A randomized crossover study was conducted to evaluate the acute effects of aerobic exercise on a cycle ergometer on AVF vascular diameter, through ultrasound, and on blood pressure (BP). <b><i>Methods:</i></b> Eight hemodialysis (HD) patients completed 2 different occasions in random order with a 7-day washout: (a) exercising moment, in which 30-min aerobic exercise was performed on a cycle ergometer; and (b) resting moment, which was performed 30-min with the patient sitting in a chair. Both occasions were evaluated 1-h before the second weekly HD day. <b><i>Results:</i></b> A significant increase in AVF vascular diameter induced by 30-min aerobic exercise was found (1.15 ± 0.56 to 1.47 ± 0.66 cm; <i>p</i> = 0.042), whereas systolic (<i>p</i> = 0.105) and diastolic BP (<i>p</i> = 0.366) did not change. <b><i>Conclusions:</i></b> We can conclude that acute aerobic exercise was shown to be effective in improving the AVF vascular diameter in HD patients. The aerobic exercise benefits in endothelium-dependent vasodilation which may be an effective, practical, and economic strategy to maintain AVF patency.

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