Pain is common in intensive care and gives rise to multiple consequences that can impact the future of patients. The placement of deep venous catheters are painful gestures of common practice in intensive care. However, some patients are ventilated and sedated and their level of pain is difficult to judge. Quantitative pupillometry seems to be a reliable tool for assessing pain in these patients unable to communicate. The method is already common practice in the operating room for this indication and recent studies increasingly validate its use in intensive care. The aim of the study is to validate the different levels of pain that can be assessed by pupillometry within this population during catheterization and to identify any non-responding subgroups (in order to conduct future clinical trials evaluating pain therapies).
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Change in variation of pupillary diameter by quantitative pupillometry
Timeframe: During the insertion of the deep venous catheter : before starting the placement of the catheter, at puncture(s), at dilation(s), and during the suture of the catheter (through study completion : an average of 20 minutes)