Purpose
The incidence, patient features, risk factors and outcomes of surgery-associated postoperative acute kidney injury (PO-AKI) across different countries and health care systems is unclear.
Methods
We conducted an international prospective, observational, multi-center study in 30 countries in patients undergoing major surgery (> 2-h duration and postoperative intensive care unit (ICU) or high dependency unit admission). The primary endpoint was the occurrence of PO-AKI within 72 h of surgery defined by the Kidney Disease: Improving Global Outcomes (KDIGO) criteria. Secondary endpoints included PO-AKI severity and duration, use of renal replacement therapy (RRT), mortality, and ICU and hospital length of stay.
Results
We studied 10,568 patients and 1945 (18.4%) developed PO-AKI (1236 (63.5%) KDIGO stage 1500 (25.7%) KDIGO stage 2209 (10.7%) KDIGO stage 3). In 33.8% PO-AKI was persistent, and 170/1945 (8.7%) of patients with PO-AKI received RRT in the ICU. Patients with PO-AKI had greater ICU (6.3% vs. 0.7%) and hospital (8.6% vs. 1.4%) mortality, and longer ICU (median 2 (Q1-Q3, 1–3) days vs. 3 (Q1-Q3, 1–6) days) and hospital length of stay (median 14 (Q1-Q3, 9–24) days vs. 10 (Q1-Q3, 7–17) days). Risk factors for PO-AKI included older age, comorbidities (hypertension, diabetes, chronic kidney disease), type, duration and urgency of surgery as well as intraoperative vasopressors, and aminoglycosides administration.
Conclusion
In a comprehensive multinational study, approximately one in five patients develop PO-AKI after major surgery. Increasing severity of PO-AKI is associated with a progressive increase in adverse outcomes. Our findings indicate that PO-AKI represents a significant burden for health care worldwide.
Supplementary Information
The online version contains supplementary material available at 10.1007/s00134-023-07169-7.
Tissue damage and inflammation-induced nociception during surgery are the primary reasons for administering general anesthesia to the patient. During general anesthesia, analgesics inhibit autonomic and somatic responses, hypnotic agents prevent awareness, and neuromuscular blocking agents inhibit reflex movements. Careful monitoring of the effects of general anesthesia is necessary to avoid over- or under-dosing of anesthetics and thus to prevent associated complications and adverse effects. In general, hemodynamic parameters have been used to guide the intraoperative administration of analgesics such as opioids, but hemodynamic parameters are not standardized and cannot always provide a clear assessment. There is growing interest in techniques that can objectively monitor the analgesic component of anesthesia to achieve an appropriate balance of nociception and anti-nociception and to guide analgesic administration. The purpose of this review is to provide information about nociception monitoring techniques, which are increasingly used in clinical practice. Keywords: General anesthesia, nociception, anti-nociception, monitoring
How to cite/Atıf için: Cansabuncu G, Cansabuncu S. A comparison of peri-articular injection and femoral block for pain management after total knee arthroplasty: A prospective cohort study.
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