Alterações fisiológicas da caminhada e tempo de internamento no pós-operatório de cirurgia cardíaca

Fundamentos: Nas ultimas decadas a fisioterapia vem se destacando no manejo de pacientes submetidos a cirurgiacardiaca, e a deambulacao e um tipo de exercicio bem tolerado pelos pacientes.Objetivos: Avaliar as alteracoes fisiologicas da caminhada e verificar a correlacao com o tempo de internamentohospitalar no pos de cirurgia cardiaca (CC).Metodos: Realizado ensaio clinico transversal, quantitativo e observacional. Foram selecionados 30 pacientes.Avaliadas as variaveis hemodinâmicas: frequencia cardiaca (FC), pressao arterial sistolica (PAS) e diastolica (PAD)e duplo-produto (DP); e respiratorias: frequencia respiratoria (FR) e saturacao periferica de oxigenio (SpO2), umminuto antes de andar e imediatamente apos o termino da caminhada.Resultados: Constatou-se elevacao na: PAS 112,0±11,9 mmHg para 118,2±19,1 mmHg (p=0,06); FC final 94,1±17,6 bpmpara 81,7±14,6 bpm (p=0,00); DP 9166,0±2041,6 para 11230,7±3441,3 (p=0,00); e PAD 74,0±18,7 mmHg para77,3±11,7 mmHg (p=0,27). Ja a FR 19,4±4,4 ipm para 24,0±4,4 ipm (p=0,00); e a SpO2 95,3±2,4% para 94,9±3,2%(p=0,53). Observou-se tambem correlacao significativa entre a variacao da FC, do DP e da PAS pos-exercicio.Conclusoes: A caminhada gerou efeitos hemodinâmicos sobre a FC e o DP e alteracao da FR. A FC, o DP e a PASpos apresentaram relacao direta com o tempo de permanencia hospitalar. (AU) Background: In the past decades, physical therapy has been outstanding in the management of patients undergoing heart surgeryand walking is a type of exercise well tolerated by patients.Objectives: To evaluate the physiological changes from walking and the correlation with hospital stay after heart surgery (HS).Methods: Cross-sectional quantitative observational clinical trial has been conducted. Thirty 30 patients were selected. The followinghemodynamic variables have been evaluated: heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP) anddouble product (DP); as well as the following respiratory variables: respiratory rate (RR), peripheral oxygen saturation (PO2S), oneminute before walking and immediately after the end of the walk.Results: The following rates were increased: SBP 112.0±11.9 mmHg to 118.2±19.1 mmHg (p=0.06); end HR 94.1±17.6 bpm to81.7±14.6 bpm (p=0.00); DP 9166.0±2041.6 to 11230.7±3441.3 (p=0.00); and DBP 74.0±18.7 mmHg to 77.3±11.7 mmHg (p=0.27).RR increased from 19.4±4.4 ipm to 24.0±4.4 ipm (p=0.00); and PO2S 95.3±2.4% to 94.9±3.2% (p=0.53). There was also a significantcorrelation between the variation of HR, DP and SBP after exercise.Conclusions: Walking generated hemodynamic effects over HR, DP, and changes in RR. HR, DP and SBP after heart surgery hada direct relationship with the length of hospital stay. (AU)