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Yao W, Tang W, Wang W, Lv Q, Ding W. The relationship between admission hyperglycaemia and urinary tract infections in geriatric patients with hip fractures. INTERNATIONAL ORTHOPAEDICS 2023; 47:2591-2600. [PMID: 37436524 DOI: 10.1007/s00264-023-05882-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 06/27/2023] [Indexed: 07/13/2023]
Abstract
PURPOSE This study investigated the association of admission hyperglycaemia with catheter-associated urinary tract infections (CAUTIs) and catheter-unassociated urinary tract infections (CUUTIs) in elderly patients with hip fractures. METHODS In an observational cohort study of elderly patients with hip fractures, glucose values were collected within 24 h of admission. Urinary tract infections were classified as CAUTIs and CUUTIs. Multivariate logistic regression analysis and propensity score matching obtained adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for urinary tract infections. Subgroup analyses were further explored to investigate the relationship between admission hyperglycemia and urinary tract infections. RESULTS The study included 1279 elderly patients with hip fractures, 298 (23.3%) of whom had urinary tract infections upon hospitalization (including 182 CAUTIs and 116 CUUTIs). Propensity score matching indicated that patients with glucose levels exceeding 10.00 mmol/L had significantly higher odds of developing CAUTIs (OR 3.10, 95% CI 1.65-5.82) than those with glucose levels between 4.00-6.09 mmol/L. It is worth noting that patients with blood glucose levels greater than 10.00 mmol/L have a higher susceptibility for CUUTIs (OR 4.42, 95% CI 2.09-9.33) than CAUTIs. The subgroup analyses observed significant interactions between diabetes and CAUTIs (p for interaction = 0.01) and between bedridden time and CUUTIs (p for interaction = 0.04). CONCLUSIONS Elderly hip fracture patients with admission hyperglycaemia have an independent association with CAUTIs and CUUTIs. The association is stronger with CUUTIs and necessitates clinician intervention if blood glucose levels at admission exceed 10 mmol/L.
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Affiliation(s)
- Wei Yao
- Department of Orthopedics, Dandong Central Hospital, China Medical University, No. 338 Jinshan Street, Zhenxing District, 118002, Dandong, Liaoning Province, China
| | - Wanyun Tang
- Department of Orthopedics, Dandong Central Hospital, China Medical University, No. 338 Jinshan Street, Zhenxing District, 118002, Dandong, Liaoning Province, China
| | - Wei Wang
- Department of Orthopedics, Dandong Central Hospital, China Medical University, No. 338 Jinshan Street, Zhenxing District, 118002, Dandong, Liaoning Province, China
| | - Qiaomei Lv
- Department of Oncology, Dandong Central Hospital, China Medical University, No. 338 Jinshan Street, Zhenxing District, 118002, Dandong, Liaoning Province, China
| | - Wenbo Ding
- Department of Orthopedics, Dandong Central Hospital, China Medical University, No. 338 Jinshan Street, Zhenxing District, 118002, Dandong, Liaoning Province, China.
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Wang H, Cao X, Li B, Wu H, Ning T, Cao Y. Incidence and predictors of postoperative acute kidney injury in older adults with hip fractures. Arch Gerontol Geriatr 2023; 112:105023. [PMID: 37054535 DOI: 10.1016/j.archger.2023.105023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 03/31/2023] [Accepted: 04/08/2023] [Indexed: 04/15/2023]
Abstract
OBJECTIVES Main Purpose: To clarify the incidence and predictors of acute kidney injury (AKI) after hip fracture surgery; Secondary Purpose: To investigate the impact of AKI on the length of stay (LOS) and mortality of patients. METHODS We retrospectively evaluated data from 644 hip fracture patients at Peking University First Hospital from 2015 to 2021, and divided the patients into AKI and Non-AKI groups according to whether AKI occurred after surgery. Logistic regression was used to clarify the risk factors for AKI, draw ROC curves, and analyze the odds ratio (OR) for LOS and death at 30 days, 3 months, and 1 year for patients with AKI. RESULTS The prevalence of AKI after hip fracture was 12.1%. Age, BMI, and postoperative brain natriuretic peptide (BNP) levels were risk factors for AKI after hip fracture surgery. The risk of AKI in underweight patients, overweight patients and obese patients was 2.24, 1.89, and 2.58 times. Compared to patients with BNP levels <800 pg/ml, the risk of AKI was 22.34-fold for postoperative BNP levels>1500 pg/ml. The risk of a one-grade increase in LOS was 2.84 times higher in the AKI group and the mortality of patients with AKI were higher. CONCLUSION The incidence of AKI after hip fracture surgery was 12.1%. Advanced age, low BMI, and postoperative high level BNP were risk factors for AKI. Surgeons need to pay more attention to patients with older age, low BMI and high postoperative BNP levels in order to proactively prevent the development of postoperative AKI.
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Affiliation(s)
- Hao Wang
- Department of Orthopedics, Peking University First Hospital, No. 8 Xishiku Street, XiCheng District, Beijing, 100034, China
| | - Xiangyu Cao
- Department of Orthopedics, Peking University Third Hospital, No. 49 Garden Road North, HaiDian District, Beijing, 100191, China
| | - Baoqiang Li
- Department of Orthopedics, Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongren Tiyuchang Nanlu, ChaoYang District, Beijing, 100020, China
| | - Hao Wu
- Department of Orthopedics, Peking University First Hospital, No. 8 Xishiku Street, XiCheng District, Beijing, 100034, China
| | - Taiguo Ning
- Department of Orthopedics, Peking University First Hospital, No. 8 Xishiku Street, XiCheng District, Beijing, 100034, China
| | - Yongping Cao
- Department of Orthopedics, Peking University First Hospital, No. 8 Xishiku Street, XiCheng District, Beijing, 100034, China.
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Pan L, Liu Z, Wu H, Wang H, Wang H, Ning T, Liang G, Cao Y. Construction and Validation of a Nomogram for Predicting Acute Kidney Injury After Hip Fracture Surgery. Clin Interv Aging 2023; 18:181-191. [PMID: 36818547 PMCID: PMC9936559 DOI: 10.2147/cia.s399314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/08/2023] [Indexed: 02/13/2023] Open
Abstract
Background Acute kidney injury (AKI), characterized by sudden impairment of kidney function, is an uncommon complication following hip fracture surgery that is associated with increased morbidity and mortality. We constructed a nomogram to stratify patients according to risk of AKI after hip fracture surgery to guide clinicians in the implementation of timely interventions. Methods Patients who received hip fracture surgery from January 2015 to December 2021 were retrospectively identified and divided into a training set (n=448, surgery from January 2015 to December 2019) and a validation set (n=200, surgery from January 2020 to December 2021). Univariate and multivariate logistic regression were used to identify risk factors for AKI after surgery in the training set. A nomogram was constructed based the risk factors for AKI, and was evaluated by receiver operating characteristic (ROC) analysis, calibration curves, and decision curve analysis (DCA). Results The mean age was 82.0±6.22 years-old and the prevalence of post-surgical AKI was 13.3%. Age, American Society of Anesthesiologists (ASA) score, the preexistence of chronic kidney disease (CKD), cemented surgery and the decrease of hemoglobin on the first day after surgery were identified as independent risk factors of AKI after hip fracture surgery, and a predictive nomogram was established based on the multivariable model. The predictive nomogram had good discrimination ability (training set: AUC: 0.784, 95% CI: 0.720-0.848; validation set: AUC: 0.804, 95% CI: 0.704-0.903), and showed good validation ability and clinical usefulness based on a calibration plot and decision curve analysis. Conclusion A nomogram that incorporated five risk factors including age, ASA score, preexisting CKD, cemented surgery and the decrease of hemoglobin on the first day after surgery had good predictive performance and discrimination. Use of our results for early stratification and intervention has the potential to improve the outcomes of patients receiving hip fracture surgery. Future large, multicenter cohorts are needed to verify the model's performance.
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Affiliation(s)
- Liping Pan
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Zhenning Liu
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Hao Wu
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Hao Wang
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Hongbin Wang
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Taiguo Ning
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Guanghua Liang
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Yongping Cao
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, People's Republic of China
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He T, Li G, Xu S, Guo L, Tang B. Blood Urea Nitrogen to Serum Albumin Ratio in the Prediction of Acute Kidney Injury of Patients with Rib Fracture in Intensive Care Unit. Int J Gen Med 2022; 15:965-974. [PMID: 35125886 PMCID: PMC8809522 DOI: 10.2147/ijgm.s348383] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/10/2022] [Indexed: 11/23/2022] Open
Abstract
Background We hypothesized that the blood urea nitrogen (BUN) to serum albumin ratio (BAR) could serve as an independent predictor for incident acute kidney injury (AKI) in intensive care unit (ICU) patients with rib fracture. Methods Rib fracture patients in ICU were extracted from Medical Information Mart for Intensive Care IV (MIMIC-IV v1.0) database. The primary outcome in this study was the incidence of AKI. Univariate and multivariate logistic regression analyses were used to determine the relationship between BAR and AKI and propensity score matching (PSM) and inverse probability of treatment weighting (IPTW) were also applied to assure the robustness of our results. Results The optimal cut-off value for BAR was 5.26 based on receiver operator characteristic curve. Among the 953 patients who diagnosed with rib fracture, 197 high-BAR group (≥5.26) patients and 197 low-BAR group (<5.26) patients who had similar propensity scores were finally included in the matched cohort. High-BAR group patients had a significantly higher incidence of AKI (odds ratio, OR, 3.85, 95% confidence index, 95% CI, 2.58–5.79, P<0.001) in the original cohort, in the matched cohort (OR, 4.47, 95% CI 2.71–7.53, P<0.001), and in the weighted cohort (OR, 4.28, 95% CI 2.80–6.53, P<0.001). Furthermore, BAR was superior to that of acute physiology score III for predicting AKI and could add more net benefit for incident AKI in critical care patients with rib fracture. Conclusion As an easily access and cost-effective parameter, BAR could serve as a good diagnostic predictor for AKI in ICU patients with rib fracture.
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Affiliation(s)
- Tao He
- Department of Orthopedics, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People’s Republic of China
| | - Gang Li
- Department of Sports Medicine, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People’s Republic of China
| | - Shoujia Xu
- Department of Orthopedics, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People’s Republic of China
| | - Leyun Guo
- Department of Orthopedics, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People’s Republic of China
- Correspondence: Leyun Guo; Bing Tang, Department of Orthopedics, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Daling Road 16#, Shiyan, Hubei, 442008, People’s Republic of China, Tel +86 0719-8210666, Email ;
| | - Bing Tang
- Department of Orthopedics, Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei, 442008, People’s Republic of China
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