"Estudo da variação da pressão sistólica e suas componentes como preditoras de hipovolemia em coelhos submetidos à hemorragia e pneumoperitônio" / Study on systolic pressure variation and its components as predictors of hypovolemia in rabbits submitted to hemorrhage and pneumoperitoneum

AUTOR(ES)
DATA DE PUBLICAÇÃO

2006

RESUMO

Systolic pressure variation (SPV) is a hemodynamic analysis parameter for mechanically ventilated individuals. The aim of this study was to investigate it in rabbits submitted to hemorrhage and pneumoperitoneum. Methods Eleven rabbits were studied under 4 treatments: after 20 minutes of stabilization (T1); 10 mmHg pneumoperitoneum for 30 minutes (T2); hemorrhage of 20% of the estimated volemia, performed in 10 minutes, followed by 10 minutes of stabilization, under pneumoperitoneum (T3); re-infusion in 10 minutes of the blood shed and more 10 minutes of stabilization, without pneumoperitoneum (T4). Results There was a significant increase in SPV (p <0.05) in T2 and T3, with a higher value in T3, related to T1 and no difference between T4 and T1. Delta Down is the main component in T1, T3 and T4, while in T2 it is balanced with Delta Up. Conclusions SPV showed to be predictor of hypovolemia during hemorrhage and pneumoperitoneum

ASSUNTO(S)

monitoring physiologic pneumoperitônio monitorização fisiológica rabbits hipovolemia pneumoperitoneum hemorrhage pressão arterial hemorragia laparoscopia blood pressure coelhos hypovolemia laparoscopy

ACESSO AO ARTIGO

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