'Pain monitoring in anesthetized children: first assessment of skin conductance and analgesia-nociception index at different infusion rates of remifentanil', recommended preset values for the skin conductance equipment was not used.

摘要

Sir-Vital fundamentals for acute physiological pain assessment scores in infants and children who are unable to communicate verbally are the examination of heart rate (HR), heart rate variability (HRV), respiratory rate, blood pressure, oxygen saturation, near infrared spectroscopy (NIRS), and palmar sweating [skin conductance responses per second (SCR-s~-1)]. In the paper by Sarbourdin et al. (1), the HRV was compared to the skin conductance level (microSiemens) during tetanic stimuli and the HRV demonstrated values that were statistically different from the skin conductance level (micro Siemens). When using skin conductance to assess pain, it is crucial to use SCR per second (2) and not the skin conductance level (mi-crosiemens) which is less sensitive and correlates with skin temperature (1,3). Furthermore, Sarbourdin et al. (1) denned the SCR with a threshold of 0.05 microsie-mens which is 10 times higher than the recommended threshold of 0.005 from the manufacturer (www.med-storm.com). It is difficult to understand why they increased the threshold 10 times.