Journal of clinical anesthesia
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The efficacy of the erector spinae plane block (ESPB) has been demonstrated in several meta-analyses and it is increasingly being used in clinical practice. However, its mechanism of action is still not fully elucidated. Although initial anatomical studies have suggested the spread of the injectate into the paravertebral space as the main mechanism of action, more recent studies have not consistently demonstrated this. This systematic review was conducted to determine the overall proportion and extent of injectate spread following a thoracic ESPB. ⋯ Based on this study, the thoracic ESPB consistently led to injectate spread into the ESP compartment but less reliable spread into the PVS, ES and ICS compartments. There is also preliminary evidence that an increased time to assessment may be associated with an increased spread of injectate into the PVS.
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The effect of COVID-19 infection on post-operative mortality and the optimal timing to perform ambulatory surgery from diagnosis date remains unclear in this population. Our study was to determine whether a history of COVID-19 diagnosis leads to a higher risk of all-cause mortality following ambulatory surgery. ⋯ A COVID-19 positive diagnosis is associated with significantly higher risk of all-cause mortality following ambulatory surgery. This mortality risk is greatest in patients that undergo ambulatory surgery within 45 days of testing positive for COVID-19. Postponing elective ambulatory surgeries in patients that test positive for COVID-19 infection within 45 days of surgery date should be considered, although prospective studies are needed to assess this.
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Randomized Controlled Trial
The effect of driving pressure-guided versus conventional mechanical ventilation strategy on pulmonary complications following on-pump cardiac surgery: A randomized clinical trial.
Postoperative pulmonary complications occur frequently and are associated with worse postoperative outcomes in cardiac surgical patients. The advantage of driving pressure-guided ventilation strategy in decreasing pulmonary complications remains to be definitively established. We aimed to investigate the effect of intraoperative driving pressure-guided ventilation strategy compared with conventional lung-protective ventilation on pulmonary complications following on-pump cardiac surgery. ⋯ Among patients who underwent on-pump cardiac surgery, the use of driving pressure-guided ventilation strategy did not reduce the risk of postoperative pulmonary complications when compared with conventional lung-protective ventilation strategy.
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Acute kidney injury (AKI) is a serious complication in postoperative ICU patients. The incidence of AKI varies substantially based on the type of surgery and definition used. This study focuses on the incidence of AKI in postoperative ICU patients using full KDIGO criteria and related outcomes regarding to different types of surgery. ⋯ AKI based on full KDIGO criteria is very common in postoperative ICU patients and it is associated with stepwise increase in 28-days mortality.