European journal of anaesthesiology
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Observational Study
Doppler renal resistive index for early detection of acute kidney injury after major orthopaedic surgery.
Postoperative acute kidney injury (AKI) is a cause of morbidity and mortality. Its diagnosis requires better markers than variations in diuresis or postoperative serum creatinine. ⋯ Postoperative resistive index appears to be effective for early detection of AKI after major orthopaedic surgery. Resistive index can be measured in the postoperative care unit in patients at risk of AKI.
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Observational Study
Reliability of the surgical Pleth index for assessment of postoperative pain: A pilot study.
Postoperative pain control is essential and may have a beneficial effect on postoperative outcome and morbidity. Analgesia quality is controlled using tools such as a Numerical Rating Scale (NRS). These tools require cooperation and often fail in the presence of reduced awareness. The Surgical Pleth index (SPI) has been introduced as a monitoring tool for intraoperative pain under general anaesthesia. ⋯ Sensitivity and specificity of SPI to discriminate between low, moderate and severe pain levels was moderate. Both NRS and SPI correlated significantly with total opioid consumption.