Journal of clinical anesthesia
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Review Meta Analysis
Levosimendan use in patients with preoperative low ejection fraction undergoing cardiac surgery: A systematic review with meta-analysis and trial sequential analysis.
Patients with preoperative low left ventricular ejection fraction (LVEF) are known to be associated with high morbidities and mortality in cardiac surgery. The primary aim of this review was to examine the clinical outcomes of levosimendan versus placebo in patients with preoperative low LVEF ≤ 50% undergoing cardiac surgery. ⋯ CRD42017067572.
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Review Meta Analysis Comparative Study
Videolaryngoscopy versus direct laryngoscopy for nasotracheal intubation: A systematic review and meta-analysis of randomised controlled trials.
Although routine videolaryngoscopy does not improve overall success rate of adult nasal intubation, it does improve first pass success, laryngeal visualization and shortens intubation time.
pearl -
Review Meta Analysis Comparative Study
Videolaryngoscopy versus direct laryngoscopy for nasotracheal intubation: A systematic review and meta-analysis of randomised controlled trials.
Although routine videolaryngoscopy does not improve overall success rate of adult nasal intubation, it does improve first pass success, laryngeal visualization and shortens intubation time.
pearl -
Review
Preoxygenation during induction of anesthesia in non-critically ill patients: A systematic review.
We conducted a systematic review of the literature to better understand whether preoxygenation in non-critically ill patients (i.e. elective surgery patients) should be recommended, as it lengthens safe apnea time (the time required to reach oxygen saturation < 90% in an apneic patient). Furthermore, we looked for the most efficient technique amongst those currently employed in clinical practice. We searched Scopus, CINAHL, the Cochrane Library, PubMed and MeSH using various combinations of the words "preoxygenation", "general anesthesia", "induction", "operating room" and "oxygen". ⋯ In conclusion, preoxygenation should be employed during the induction of general anesthesia in obese patients as it allows for a longer safe apnea time and causes no harm. Although data regarding efficacy is limited for the non-obese population, the procedure was still harmless and should continue to be performed pending more robust RCTs. We believe there is sufficient evidence to support a RCT that could offer better evidence for this subset of patients undergoing non-emergent procedures.
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Review
Preoxygenation during induction of anesthesia in non-critically ill patients: A systematic review.
We conducted a systematic review of the literature to better understand whether preoxygenation in non-critically ill patients (i.e. elective surgery patients) should be recommended, as it lengthens safe apnea time (the time required to reach oxygen saturation < 90% in an apneic patient). Furthermore, we looked for the most efficient technique amongst those currently employed in clinical practice. We searched Scopus, CINAHL, the Cochrane Library, PubMed and MeSH using various combinations of the words "preoxygenation", "general anesthesia", "induction", "operating room" and "oxygen". ⋯ In conclusion, preoxygenation should be employed during the induction of general anesthesia in obese patients as it allows for a longer safe apnea time and causes no harm. Although data regarding efficacy is limited for the non-obese population, the procedure was still harmless and should continue to be performed pending more robust RCTs. We believe there is sufficient evidence to support a RCT that could offer better evidence for this subset of patients undergoing non-emergent procedures.