Acute kidney injury (AKI) is a complex disorder for which currently there is no accepted definition. Having a uniform standard for diagnosing and classifying AKI would enhance our ability to manage these patients. Future clinical and translational research in AKI will require collaborative networks of investigators drawn from various disciplines, dissemination of information via multidisciplinary joint conferences and publications, and improved translation of knowledge from pre-clinical research. We describe an initiative to develop uniform standards for defining and classifying AKI and to establish a forum for multidisciplinary interaction to improve care for patients with or at risk for AKI. Members representing key societies in critical care and nephrology along with additional experts in adult and pediatric AKI participated in a two day conference in Amsterdam, The Netherlands, in September 2005 and were assigned to one of three workgroups. Each group's discussions formed the basis for draft recommendations that were later refined and improved during discussion with the larger group. Dissenting opinions were also noted. The final draft recommendations were circulated to all participants and subsequently agreed upon as the consensus recommendations for this report. Participating societies endorsed the recommendations and agreed to help disseminate the results. The term AKI is proposed to represent the entire spectrum of acute renal failure. Diagnostic criteria for AKI are proposed based on acute alterations in serum creatinine or urine output. A staging system for AKI which reflects quantitative changes in serum creatinine and urine output has been developed. We describe the formation of a multidisciplinary collaborative network focused on AKI. We have proposed uniform standards for diagnosing and classifying AKI which will need to be validated in future studies. The Acute Kidney Injury Network offers a mechanism for proceeding with efforts to improve patient outcomes.

Acute Kidney Injury Network: report of an initiative to improve outcomes in acute kidney injury

The Task Force for the management of atrial fibrillation of the European Society of Cardiology (ESC)  

Developed with the special contribution of the European Heart Rhythm Association (EHRA) of the ESC  

Endorsed by the European Stroke Organisation (ESO)

/pdf/2016-esc-guidelines-for-the-management-of-atrial-ba0601yb9m.pdf

2016 ESC Guidelines for the management of atrial fibrillation developed in collaboration with EACTS

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/pdf/2016-esc-guidelines-for-the-management-of-atrial-36b2cidm1x.pdf

2016 ESC Guidelines for the management of atrial fibrillation developed in collaboration with EACTS: The Task Force for the management of atrial fibrillation of the European Society of Cardiology (ESC). Developed with the special contribution of the European Heart Rhythm Association (EHRA) of the ESC. Endorsed by the European Stroke Organisation (ESO)

2018 ESC/EACTS Guidelines on myocardial revascularization.

Sabiston. Textbook of Surgery: The Biological Basis of Modern Surgical Practice

Background Certain recent studies have demonstrated improved surgical outcome in patients with aortic dissection. We analyzed the surgical survival rates of patients with acute aortic dissections and the late prognosis of those with aortic dissection during a 30-year period. Methods and Results Between 1963 and 1992, 360 patients (256 men and 104 women; mean±1 SD age, 57±14 years) underwent surgery for aortic dissection: 174 patients had an acute type A (AcA), 46 an acute type B (AcB), 106 a chronic type A (ChA), and 34 a chronic type B (ChB) aortic dissection. The overall operative mortality rate was 24±8% (26±3% for AcA, 39±8% for AcB, 17±4% for ChA, and 15±6% for ChB, [±70% confidence limit]). The operative mortality rates for patients with acute aortic dissection (AcA or AcB) were assessed for five time “windows”: 1963 to 1972 (42±8%), 1973 to 1977 (37±8%), 1978 to 1982 (15±6%), 1983 to 1987 (27±6%), and 1988 to 1992 (26±6%). Logistic regression analysis suggested that the low operative mortality rate...

Surgical management of aortic dissection during a 30-year period

BackgroundTranexamic acid reduces the risk of bleeding among patients undergoing cardiac surgery, but it is unclear whether this leads to improved outcomes. Furthermore, there are concerns that tranexamic acid may have prothrombotic and proconvulsant effects. MethodsIn a trial with a 2-by-2 factorial design, we randomly assigned patients who were scheduled to undergo coronary-artery surgery and were at risk for perioperative complications to receive aspirin or placebo and tranexamic acid or placebo. The results of the tranexamic acid comparison are reported here. The primary outcome was a composite of death and thrombotic complications (nonfatal myocardial infarction, stroke, pulmonary embolism, renal failure, or bowel infarction) within 30 days after surgery. ResultsOf the 4662 patients who were enrolled and provided consent, 4631 underwent surgery and had available outcomes data; 2311 were assigned to the tranexamic acid group and 2320 to the placebo group. A primary outcome event occurred in 386 patien...

Tranexamic Acid in Patients Undergoing Coronary-Artery Surgery

The potential for bronchoscopic lung volume reduction using bronchial prostheses: a pilot study.

Objective: There is an important role for accurate risk prediction models in current cardiac surgical practice. Such models enable benchmarking and allow surgeons and institutions to compare outcomes in a meaningful way. They can also be useful in the areas of surgical decision-making, preoperative informed consent, quality assurance and healthcare management. The aim of this study was to assess the performance of the European System for Cardiac Operative Risk Evaluation (EuroSCORE) model on the Australasian Society of Cardiac and Thoracic Surgeons (ASCTS) patient database. Methods: The additive and logistic EuroSCORE models were applied to all patients undergoing cardiac surgery at six institutions in the state of Victoria between 1st July 2001 and 4th July 2005 within the ASCTS database who have complete data. The entire cohort and a subgroup of patients undergoing coronary artery bypass grafting (CABG) only were analysed. Observed and predictedmortalitieswerecompared.Modeldiscriminationwastestedbydeterminingtheareaunderthereceiveroperatingcharacteristic(ROC) curve. Model calibration was tested by the Hosmer—Lemeshow chi-square test. Results: Eight thousand three hundred and thirty-one patients with complete data were analysed. There were significant differences in the prevalence of risk factors between the ASCTS and European cardiac surgical populations. Observed mortality was 3.20% overall and 2.00% for the CABG only group. The EuroSCORE models over estimated mortality (entire cohort: additive predicted 5.31%, logistic predicted 8.76%; CABG only: additive predicted 4.25%, logistic predicted 6.19%). Discriminative powerofbothmodelswasverygood.AreaunderROCcurvewas0.83overalland0.82fortheCABGonlygroup.Calibrationofbothmodelswaspoor

/pdf/validation-of-the-euroscore-model-in-australia-2j9orm78x2.pdf

Julian A. Smith

Papers

Sabiston. Textbook of Surgery: The Biological Basis of Modern Surgical Practice

Surgical management of aortic dissection during a 30-year period

Tranexamic Acid in Patients Undergoing Coronary-Artery Surgery

The potential for bronchoscopic lung volume reduction using bronchial prostheses: a pilot study.

Validation of the EuroSCORE model in Australia