Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Photoplethysmography permits continuous measurement of heart rate and peripheral oxygen saturation and has been widely used to inform clinical decisions. Recently, a myriad of noninvasive hemodynamic monitoring devices using this same technology have been increasingly available. This narrative review aims to summarize the principles that form the basis for the function of these devices as well as to comment on trials evaluating their accuracy and clinical application. ⋯ Although respiratory variations of the plethysmographic waveform correlate only modestly with the arterial blood pressure waveform, fluid responsiveness can be relatively consistently assessed using both approaches. Continuous blood pressure measurements obtained using the volume-clamp technique may be as accurate as conventional brachial noninvasive blood pressure measurements. Most importantly, clinical comparative effectiveness studies are still needed in order to determine if these technologies can be translated into improvement of relevant patient outcomes.
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This manuscript proposes pharmacological strategies that might decrease persistent postsurgical pain (PPSP). These recommendations are based on a review of current publications available in the literature. ⋯ A winning strategy to reduce the incidence of PPSP may well involve performing minimally invasive surgery, providing adequate perioperative analgesia based on RA, and using a multimodal approach with NMDA antagonists.
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Erratum to: Can J Anesth/J Can Anesth DOI 10.1007/s12630-015-0428-6. In the published version, the first phrase of the introduction was incorrect and should read as follows: Since the inception of the postanesthesia care unit (PACU) in 1923, the question of when it is safe to discharge a patient has remained contentious. The publisher apologizes most sincerely for this typesetting error.
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Erratum to: Can J Anesth/J Can Anesth (2015) 62:1000–1016 DOI 10.1007/s12630-015-0423-y. In the article entitled: "Managing the challenging pediatric airway: Continuing Professional Development" published in the September 2015 issue, Can J Anesth 2015; DOI: 10.1007/s12630-015-0423-y, the Electronic Supplementary Material (ESM) was incorrect. The ESM should be as follows: [see text]. The publisher apologizes most sincerely for this technical error.