Articles: postoperative-complications.
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Meta Analysis Comparative Study
High PEEP with recruitment maneuvers versus Low PEEP During General Anesthesia for Surgery - a Bayesian individual patient data meta-analysis of three randomized clinical trials.
The influence of high positive end-expiratory pressure (PEEP) with recruitment maneuvers on the occurrence of postoperative pulmonary complications after surgery is still not definitively established. Bayesian analysis can help to gain further insights from the available data and provide a probabilistic framework that is easier to interpret. The objective was to estimate the posterior probability that the use of high PEEP with recruitment maneuvers is associated with reduced postoperative pulmonary complications in patients with intermediate-to-high risk under neutral, pessimistic, and optimistic expectations regarding the treatment effect. ⋯ High PEEP with recruitment maneuvers demonstrated a moderate reduction in the probability of postoperative pulmonary complication occurrence, with a high posterior probability of benefit observed consistently across various prior beliefs, particularly among patients who underwent laparoscopy.
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Editorial Review
Postoperative respiratory complications in children: from prediction to clinical action.
The score for prediction of postoperative respiratory complications in infants and children (SPORC-C) was recently reported. The score was developed using a large cohort of patients by applying a multivariate model, then internally and externally validated on a different cohort of patients. In order to encourage use of this score, an online calculator (https://sites.google.com/view/sporc-for-children/home) was also developed, allowing identification of patients at low and high risk for postoperative respiratory complications. We review current evidence on algorithms developed to predict postoperative respiratory complications, including how and when such scoring systems should be used in daily practice to improve the overall safety of paediatric patients.
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Multicenter Study Observational Study
Associations between non-anaemic iron deficiency and outcomes following elective surgery for colorectal cancer: a prospective cohort study.
Iron deficiency is present in up to 75% of patients presenting for colorectal cancer surgery. It is unclear whether iron deficiency without anaemia is associated with worse postoperative outcomes. We hypothesised that, in adults without anaemia undergoing surgery for colorectal cancer, iron deficiency would be associated with worse postoperative outcomes relative to an iron-replete state. ⋯ In adult patients without anaemia undergoing surgery for colorectal cancer, iron deficiency defined by transferrin saturation < 20% was not associated with worse patient outcomes and appeared to be associated with more days alive and at home on postoperative day 90.
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Bariatric surgery complications carry a high rate of morbidity and mortality. ⋯ Understanding bariatric surgery complications can assist emergency clinicians in diagnosing and managing this potentially deadly disease.
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Anesthesia and analgesia · Jan 2025
Randomized Controlled TrialPostoperative Innate Immune Dysregulation, Proteomic, and Monocyte Epigenomic Changes After Colorectal Surgery: A Substudy of a Randomized Controlled Trial.
Colorectal surgery is associated with moderate-to-severe postoperative complications in over 25% of patients, predominantly infections. Monocyte epigenetic alterations leading to immune tolerance could explain postoperative increased susceptibility to infections. This research explores whether changes in monocyte DNA accessibility contribute to postoperative innate immune dysregulation. ⋯ These findings illuminate the complex epigenetic modulation influencing monocytes' response to surgical stress, shedding light on potential biomarkers for immune dysregulation. Our results advocate for further research into the role of anesthesia in these molecular pathways and the development of personalized interventions to mitigate immune dysfunction after surgery.