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Chronic hyperglycemia is associated with acute kidney injury in patients undergoing CABG surgery – a cohort study

Please always quote using this URN: urn:nbn:de:bvb:20-opus-125224
  • Background Chronic hyperglycemia (CHG) with HbA1c as an indicator affects postoperative mortality and morbidity after coronary artery bypass grafting surgery (CABG). Acute kidney injury (AKI) is one of the frequent postoperative complications after CABG impacting short-and long-term outcomes. We investigated the association between CHG and postoperative incidence of AKI in CABG patients with and without history of diabetes mellitus (DM). Methods This cohort study consecutively enrolled patients undergoing CABG in 2009 at the department forBackground Chronic hyperglycemia (CHG) with HbA1c as an indicator affects postoperative mortality and morbidity after coronary artery bypass grafting surgery (CABG). Acute kidney injury (AKI) is one of the frequent postoperative complications after CABG impacting short-and long-term outcomes. We investigated the association between CHG and postoperative incidence of AKI in CABG patients with and without history of diabetes mellitus (DM). Methods This cohort study consecutively enrolled patients undergoing CABG in 2009 at the department for cardiovascular surgery. CHG was defined as HbA1c ≥ 6.0 %. Patients with advanced chronic kidney disease (CKD) were excluded. The incidence of postoperative AKI and its association with CHG was analyzed by univariate and multivariate logistic regression modeling. Results Three-hundred-seven patients were analyzed. The incidence of AKI was 48.2 %. Patients with CHG (n = 165) were more likely to be female and had greater waist circumference as well as other comorbid conditions, such as smoking, history of DM, CKD, hypertension, pulmonary hypertension, and chronic obstructive pulmonary disease (all p ≤ 0.05). Preoperative eGFR, atrial fibrillation (AF), history of DM and CHG were associated with an increased risk of postoperative AKI in univariate analyses. In multivariate modelling, history of DM as well as preoperative eGFR and AF lost significance, while age, CHG and prolonged OP duration (p < 0.05) were independently associated with postoperative AKI. Conclusions Our results suggest that CHG defined on a single measurement of HbA1c ≥ 6.0 % was associated with the incidence of AKI after CABG. This finding might implicate that treatment decisions, including the selection of operative strategies, could be based on HbA1c measurement rather than on a recorded history of diabetes.show moreshow less

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Metadaten
Author: Mehmet Oezkur, Martin Wagner, Dirk Weismann, Jens Holger Krannich, Christoph Schimmer, Christoph Riegler, Victoria Rücker, Rainer Leyh, Peter U. Heuschmann
URN:urn:nbn:de:bvb:20-opus-125224
Document Type:Journal article
Faculties:Medizinische Fakultät / Klinik und Poliklinik für Thorax-, Herz- u. Thorakale Gefäßchirurgie
Language:English
Parent Title (English):BMC Cardiovascular Disorders
Year of Completion:2015
Volume:15
Issue:41
Source:BMC Cardiovascular Disorders (2015) 15:41 DOI 10.1186/s12872-015-0028-y
DOI:https://doi.org/10.1186/s12872-015-0028-y
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
Release Date:2016/01/26
Collections:Open-Access-Publikationsfonds / Förderzeitraum 2015
Licence (German):License LogoCC BY: Creative-Commons-Lizenz: Namensnennung