British journal of anaesthesia
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Letter Randomized Controlled Trial
Evaluation of the D-FLECT® deflectable-tip bougie in a manikin with a simulated difficult airway.
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Discrepancy between a patient's subjective thermal symptoms and objective measured temperature value is common in complex regional pain syndrome (CRPS) in clinical settings. For that reason, the diagnostic validity of a single temperature measurement method has been criticised. Several studies showed that the perfusion index (PI), which is derived from pulse oximetry, is a more sensitive and earlier indicator of sympathetic blockade than temperature measurement. ⋯ The accuracy of detection of subjective abnormal thermal sensations was superior for PI compared with the temperature measurement method. PI was a more sensitive measure for detecting vasomotor symptoms in CRPS compared with temperature.
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Prevention of persistent pain after breast cancer surgery, via early identification of patients at high risk, is a clinical need. Psychological factors are among the most consistently proposed predictive parameters for the development of persistent pain. However, repeated use of long psychological questionnaires in this context may be exhaustive for a patient and inconvenient in everyday clinical practice. ⋯ Using a data-driven machine-learning approach, a short list of seven items from BDI and STAI is proposed as a basis for a predictive tool for the persistence of pain after breast cancer surgery.