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Lurati Buse G, Bollen Pinto B, Abelha F, Abbott TEF, Ackland G, Afshari A, De Hert S, Fellahi JL, Giossi L, Kavsak P, Longrois D, M'Pembele R, Nucaro A, Popova E, Puelacher C, Richards T, Roth S, Sheka M, Szczeklik W, van Waes J, Walder B, Chew MS. ESAIC focused guideline for the use of cardiac biomarkers in perioperative risk evaluation. Eur J Anaesthesiol 2023; 40:888-927. [PMID: 37265332 DOI: 10.1097/eja.0000000000001865] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND In recent years, there has been increasing focus on the use of cardiac biomarkers in patients undergoing noncardiac surgery. AIMS The aim of this focused guideline was to provide updated guidance regarding the pre-, post- and combined pre-and postoperative use of cardiac troponin and B-type natriuretic peptides in adult patients undergoing noncardiac surgery. METHODS The guidelines were prepared using Grading of Recommendations Assessment Development and Evaluation (GRADE) methodology. This included the definition of critical outcomes, a systematic literature search, appraisal of certainty of evidence, evaluation of biomarker measurement in terms of the balance of desirable and undesirable effects including clinical outcomes, resource use, health inequality, stakeholder acceptance, and implementation. The panel differentiated between three different scopes of applications: cardiac biomarkers as prognostic factors, as tools for risk prediction, and for biomarker-enhanced management strategies. RESULTS In a modified Delphi process, the task force defined 12 critical outcomes. The systematic literature search resulted in over 25,000 hits, of which 115 full-text articles formed the body of evidence for recommendations. The evidence appraisal indicated heterogeneity in the certainty of evidence across critical outcomes. Further, there was relevant gradient in the certainty of evidence across the three scopes of application. Recommendations were issued and if this was not possible due to limited evidence, clinical practice statements were produced. CONCLUSION The ESAIC focused guidelines provide guidance on the perioperative use of cardiac troponin and B-type natriuretic peptides in patients undergoing noncardiac surgery, for three different scopes of application.
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Affiliation(s)
- Giovanna Lurati Buse
- From the Department of Anaesthesiology, University Hospital Dusseldorf, Dusseldorf, Germany (GLB, RMP, AN, SR), Division of Anaesthesiology, Geneva University Hospitals (HUG), Geneva, Switzerland (BBP, MS, BW), Department of Anesthesiology, Centro Hospitalar Universitário de São João, Porto, Portugal (FA), Cardiovascular Research and Development Center (UnIC@RISE), Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal (FA), William Harvey Research Institute, Queen Mary University of London, London, UK (TEA, GA), Department of Anaesthesia and Perioperative Medicine, Royal London Hospital, Barts Health NHS Trust, London, UK (GA), Department of Paediatric and Obstetric Anaesthesia, Rigshospitalet & Department of Clinical Medicine, Copenhagen University, Denmark (AA), Department of Anaesthesiology and Perioperative Medicine, Ghent University Hospital, Ghent University, Ghent, Belgium (SDH), Service d'Anesthésie-Réanimation, Hôpital Universitaire Louis Pradel, Hospices Civils de Lyon, 59 boulevard Pinel, 69500 Lyon, France (J-LF), "Patients as Partners" program, Geneva University Hospitals (HUG), Geneva, Switzerland (LG), Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada (PK), Department of Anesthesiology and Intensive Care, Bichat Claude-Bernard Hospital, Assistance Publique-Hopitaux de Paris - Nord, University of Paris, INSERM U1148, Paris, France (DL), Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain (EP), Centro Cochrane Iberoamericano, Barcelona, Spain (EP), Department of Cardiology and Cardiovascular Research Institute Basel (CRIB), University Hospital Basel, University of Basel, Basel-Stadt, Switzerland (CP), Department of Internal Medicine, University Hospital Basel, University of Basel, Petersgraben 4, 4031 Basel, Basel-Stadt, Switzerland (CP), Division of Surgery, University of Western Australia, Perkins South Building, Fiona Stanley Hospital, Murdoch, Perth, WA, Australia (TR), Institute of Clinical Trials and Methodology and Division of Surgery, University College London, UK (TR), Department of Intensive Care and Perioperative Medicine, Jagiellonian University Medical College, Krakow, Poland (WS), Department of Anesthesiology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands (JvW), Department of Anaesthesia and Intensive Care, Biomedical and Clinical Sciences, Linköping University Hospital, Sweden (MSC)
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Fisher A, Srikusalanukul W, Fisher L, Smith PN. Comparison of Prognostic Value of 10 Biochemical Indices at Admission for Prediction Postoperative Myocardial Injury and Hospital Mortality in Patients with Osteoporotic Hip Fracture. J Clin Med 2022; 11:jcm11226784. [PMID: 36431261 PMCID: PMC9696473 DOI: 10.3390/jcm11226784] [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: 10/27/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 11/19/2022] Open
Abstract
Aim: To evaluate the prognostic impact at admission of 10 biochemical indices for prediction postoperative myocardial injury (PMI) and/or hospital death in hip fracture (HF) patients. Methods: In 1273 consecutive patients with HF (mean age 82.9 ± 8.7 years, 73.5% women), clinical and laboratory parameters were collected prospectively, and outcomes were recorded. Multiple logistic regression and receiver-operating characteristic analyses (the area under the curve, AUC) were preformed, the number needed to predict (NNP) outcome was calculated. Results: Age ≥ 80 years and IHD were the most prominent clinical factors associated with both PMI (with cardiac troponin I rise) and in-hospital death. PMI occurred in 555 (43.6%) patients and contributed to 80.3% (49/61) of all deaths (mortality rate 8.8% vs. 1.9% in non-PMI patients). The most accurate biochemical predictive markers were parathyroid hormone > 6.8 pmol/L, urea > 7.5 mmol/L, 25(OH)vitamin D < 25 nmol/L, albumin < 33 g/L, and ratios gamma-glutamyl transferase (GGT) to alanine aminotransferase > 2.5, urea/albumin ≥ 2.0 and GGT/albumin ≥ 7.0; the AUC for developing PMI ranged between 0.782 and 0.742 (NNP: 1.84−2.13), the AUC for fatal outcome ranged from 0.803 to 0.722, (NNP: 3.77−9.52). Conclusions: In HF patients, easily accessible biochemical indices at admission substantially improve prediction of hospital outcomes, especially in the aged >80 years with IHD.
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Affiliation(s)
- Alexander Fisher
- Departments of Geriatric Medicine, The Canberra Hospital, ACT Health, Canberra 2605, Australia
- Departments of Orthopaedic Surgery, The Canberra Hospital, ACT Health, Canberra 2605, Australia
- Medical School, Australian National University, Canberra 2605, Australia
- Correspondence:
| | - Wichat Srikusalanukul
- Departments of Geriatric Medicine, The Canberra Hospital, ACT Health, Canberra 2605, Australia
| | - Leon Fisher
- Department of Gastroenterology, Frankston Hospital, Peninsula Health, Melbourne 3199, Australia
| | - Paul N. Smith
- Departments of Orthopaedic Surgery, The Canberra Hospital, ACT Health, Canberra 2605, Australia
- Medical School, Australian National University, Canberra 2605, Australia
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Wang L, Cai M, Li X, Deng X, Xue Q, Zhou L, Yang M. Association of Acute Perioperative Myocardial Injury With All-Cause Mortality Within 90 Days After Hip Fracture Repair in the Elderly: A Prospective Study. Geriatr Orthop Surg Rehabil 2022; 13:21514593211070129. [PMID: 35047229 PMCID: PMC8761883 DOI: 10.1177/21514593211070129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Introduction It remains unclear whether acute perioperative myocardial injury (APMI) increases mortality in the elderly. This study aimed to investigate APMI’s association with mortality within 90 days after hip fracture repair in elderly patients. Materials and Methods This prospective study enrolled elderly patients admitted to the department of Traumatology and Orthopaedics in XXX Hospital, who underwent surgery in 2018–2019 with a 90-day follow-up. According to survival status within 90 days, survival and death groups were constituted. Clinical, demographic, and laboratory indicators and 90-day mortality post-surgery were recorded. APMI’s association with 90-day mortality post-surgery was analyzed by logistic regression. Results Totally 248 participants were enrolled, including 224 and 24 in the survival and death groups, respectively, for a mortality rate of 9.7%. Compared with surviving individuals, the death group was older [81 (75–86) vs 87 (82–89) years], and had higher incidence rates of APMI (24.6% vs 58.3%), intertrochanteric fractures (41.1% vs 62.5%), preoperative atrial fibrillation (8.9% vs 29.2%), and dementia (73.7% vs 95.8%) (all P<.05). They also showed higher pre-injury frail scale scores [1 (0–2) vs 3 (1–4)] and Nottingham hip fracture scores (NHFSs) [4 (4–5) vs 6.5 (5–7)], lower Glomerular filtration [62 (46.1–78.6) vs 44.37 (35–61.92) ml/min], and reduced odds of glomerular filtration rate <60 mL/min (75.0% vs 46.9%) (all P < .05). APMI (OR = 3.294, 95% CI: 1.217–8.913) and NHFS (OR = 2.089, 95% CI: 1.353–3.225) independently predicted 90-day mortality post-surgery (all P<.05). Conclusions APMI is associated with increased mortality risk within 90 days after hip fracture repair in elderly patients.
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Affiliation(s)
- Lei Wang
- Department of Geratology, Beijing Jishuitan Hospital, Beijing, China
| | - Meng Cai
- Department of Geratology, Beijing Jishuitan Hospital, Beijing, China
| | - Xiaoying Li
- Department of Geratology, Beijing Jishuitan Hospital, Beijing, China
| | - Xiaohui Deng
- Department of Geratology, Beijing Jishuitan Hospital, Beijing, China
| | - Qiang Xue
- Department of Geratology, Beijing Jishuitan Hospital, Beijing, China
| | - Li Zhou
- Department of Geratology, Beijing Jishuitan Hospital, Beijing, China
| | - Minghui Yang
- Department of Orthopaedics and Traumatology, Beijing Jishuitan Hospital, Beijing, China
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Iddagoda MT. The role of high-sensitive troponin measurement as a biomarker during the postoperative period for the detection of myocardial injury after non-cardiac surgery. J Perioper Pract 2021; 31:300-305. [PMID: 32609067 DOI: 10.1177/1750458920930993] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Myocardial injury after non-cardiac surgery is common and defined as myocardial ischaemia within 30 days after non-cardiac surgery. Diagnosis of myocardial injury after non-cardiac surgery is challenging as this could be clinically asymptomatic during the postoperative period due to many other factors. Role of high-sensitive cardiac troponin in diagnosing myocardial injury after non-cardiac surgery had been evaluated in several studies. Due to the fact that high-sensitive cardiac troponin remains positive for about two weeks in the body and is highly specific in diagnosing clinically silent myocardial injuries, it is recognised as the most useful biomarker in detecting myocardial injury after non-cardiac surgery. However, high-sensitive cardiac troponin is not well incorporated as a biomarker in current major perioperative guidelines or in clinical practice. The aim of this review is to discuss evidence and guidelines in this area in view of the use of high-sensitive cardiac troponin in early identification of myocardial injury after non-cardiac surgery.
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Affiliation(s)
- Mayura T Iddagoda
- Perioperative Service, 6508Royal Perth Hospital, Perth, Western Australia
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Rostagno C, Cartei A, Rubbieri G, Ceccofiglio A, Magni A, Forni S, Civinini R, Boccaccini A. Perioperative Myocardial Infarction/Myocardial Injury Is Associated with High Hospital Mortality in Elderly Patients Undergoing Hip Fracture Surgery. J Clin Med 2020; 9:jcm9124043. [PMID: 33327599 PMCID: PMC7765049 DOI: 10.3390/jcm9124043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/26/2022] Open
Abstract
Cardiovascular complications in patients undergoing non-cardiac surgery are associated with longer hospital stays and higher in-hospital mortality. The aim of this study was to assess the incidence of in-hospital myocardial infarction and/or myocardial injury in patients undergoing hip fracture surgery and their association with mortality. Moreover, we evaluated the prognostic value of troponin increase stratified on the basis of peak troponin value. The electronic records of 1970 consecutive hip fracture patients were reviewed. Patients <70 years, those with myocardial infarction <30 days, and those with sepsis or active cancer were excluded from the study. Troponin and ECG were obtained at admission and then at 12, 24, and 48 h after surgery. Echocardiography was made before and within 48 h after surgery. Myocardial injury was defined by peak troponin I levels > 99th percentile. A total of 1854 patients were included. An elevated troponin concentration was observed in 754 (40.7%) patients in the study population. Evidence of myocardial ischemia, fulfilling diagnosis of myocardial infarction, was found in 433 (57%). ECG and echo abnormalities were more frequent in patients with higher troponin values; however, mortality did not differ between patients with and without evidence of ischemia. Peak troponin was between 0.1 and 1 µg/L in 593 (30.3%). A total of 191 (10%) had peak troponin I ≥ 1 µg/L, and 98 died in hospital (5%). Mortality was significantly higher in both groups with troponin increase (HR = 1.37, 95% CI 1.1–1.7, p < 0.001 for peak troponin I between 0.1 and 1 µg/L; HR = 2.28, 95% CI 1.72–3.02, p < 0.0001 for peak troponin ≥1 µg/L) in comparison to patients without myocardial injury. Male gender, history of coronary heart disease, heart failure, and chronic kidney disease were also associated with in-hospital mortality. Myocardial injury/infarction is associated with increased mortality after hip fracture surgery. Elevated troponin values, but not ischemic changes, are related to early worse outcome.
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Affiliation(s)
- Carlo Rostagno
- SODc Medicina Interna e Post-Chirurgica, AOU Careggi, 50136 Firenze, Italy
| | - Alessandro Cartei
- SODc Medicina Interna e Post-Chirurgica, AOU Careggi, 50136 Firenze, Italy
| | - Gaia Rubbieri
- SODc Medicina Interna e Post-Chirurgica, AOU Careggi, 50136 Firenze, Italy
| | - Alice Ceccofiglio
- SODc Medicina Interna e Post-Chirurgica, AOU Careggi, 50136 Firenze, Italy
| | - Agnese Magni
- SODc Medicina Interna e Post-Chirurgica, AOU Careggi, 50136 Firenze, Italy
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Lowe MJ, Lightfoot NJ. The prognostic implication of perioperative cardiac enzyme elevation in patients with fractured neck of femur: A systematic review and meta-analysis. Injury 2020; 51:164-173. [PMID: 31879176 DOI: 10.1016/j.injury.2019.12.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/11/2019] [Accepted: 12/09/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Neck of Femur (NOF) fractures are a common injury in comorbid elderly patients which are associated with increased rates of morbidity and mortality following fracture. Because of their injury, patients can experience reductions in quality of life and independent living leading to transfer to nursing home or dependent levels of care. Numerous factors are associated with either complications or reductions in survival following fractured NOF. From the VISION cohort there is evidence that troponin elevation in the post-operative period following a diverse range of non-cardiac surgical procedures may lead to an increased risk of mortality in the absence of classical ischaemic or cardiac symptoms. The aim of this systematic review and meta-analysis is to validate the utility of perioperative troponin elevation as a prognostic indicator for mortality and cardiac morbidity in those with fractured NOF. METHODS The PRISMA guidelines for the conduct of meta-analyses were followed. An electronic search was conducted of the EMBASE, MEDLINE (Ovid) and Biosis databases. Studies were included for analysis if they stratified outcomes by perioperative troponin elevation in surgically managed fractured NOF and reported sufficient data on troponin elevation and mortality following surgery. Primary and secondary outcomes assessed were all-cause post-operative mortality and a composite measure of cardiac complications (myocardial infarction, cardiac failure and arrhythmia) respectively. RESULTS Eleven studies met inclusion criteria giving a total of 1363 patients. Overall, 497 patients (36.5%) experienced an elevation in troponin levels following surgery. Perioperative troponin elevation was significantly associated with all-cause mortality (OR 2.6; 95% CI 1.5 - 4.6; p <0.001) and cardiac complications (OR 7.4; 95% CI 3.5 - 15.8; p <0.001). Patient factors significantly associated with troponin elevation included pre-existing coronary artery disease, cardiac failure, hypertension, previous stroke and previous myocardial infarction. CONCLUSION Perioperative troponin elevation is significantly associated with increased mortality and post-operative cardiac complications following fractured NOF and may be a useful prognostic indicator in these patients. Future research should further stratify patients by the magnitude of troponin elevation and further refine the risk factors.
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Affiliation(s)
- Matthew J Lowe
- Department of Anaesthesia, Auckland City Hospital, Auckland, New Zealand.
| | - Nicholas J Lightfoot
- Department of Anaesthesia and Pain Medicine, Middlemore Hospital, Auckland, New Zealand
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Niu X, Xu Y, Gao N, Li A. Weighted Gene Coexpression Network Analysis Reveals the Critical lncRNAs and mRNAs in Development of Hirschsprung's Disease. J Comput Biol 2019; 27:1115-1129. [PMID: 31647312 DOI: 10.1089/cmb.2019.0261] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hirschsprung's disease (HSCR) is a common newborn defect. This study aimed to identify critical genes involved in the development of HSCR. Differently expressed genes (DEGs) of public data set GSE98502 were analyzed using paired t-test. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed using Database for Annotation, Visualization and Integrated Discovery (DAVID) 6.8. Besides, Coexpression network of long noncoding RNAs (lncRNAs)-mRNAs (message RNA) were constructed using weighted gene coexpression network analysis. The key modules were filtered out by calculating the module-trait correlations. Then, hub genes were screened and the expression of these genes was further validated in an independent data set GSE96854. We identified 864 DEGs enriched in 19 GO biological functions such as negative regulation of growth and regulation of heart contraction; 11 KEGG pathways such as mineral absorption and protein digestion and absorption. lncRNAs-mRNAs coexpressed network was constructed, including 8 modules and 177 genes. Hub lncRNAs, including LINC00619, LINC00924, LINC00261, and DRAIC, were identified. Hub mRNAs, including CYCS, CCND1, BDKRB, ITGA6, and TNNC1, were mainly enriched in cancer pathways, p53 signaling pathway, and calcium signaling pathway. The expressions of the hub mRNAs were successfully validated by another independent GSE96854 data set. Our findings indicated the hub lncRNAs, including LINC00619, LINC00924, LINC00261, and DRAIC, as well as hub mRNAs, including CYCS, CCND1, BDKRB, ITGA6, and TNNC1, might involve in the progression of HSCR, and these genes might provide new clinical biomarkers for risk evaluation of HSCR.
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Affiliation(s)
- Xiaoguang Niu
- Department of Pediatric Surgery, Qilu Hospital, Shandong University, Jinan, China.,Department of Pediatric Surgery, Taian City Central Hospital, Taian, China
| | - Yongtao Xu
- Department of Pediatric Surgery, Taian City Central Hospital, Taian, China
| | - Ni Gao
- Department of Pediatric Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Aiwu Li
- Department of Pediatric Surgery, Qilu Hospital, Shandong University, Jinan, China
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Norring-Agerskov D, Madsen CM, Bathum L, Pedersen OB, Lauritzen JB, Jørgensen NR, Jørgensen HL. History of cardiovascular disease and cardiovascular biomarkers are associated with 30-day mortality in patients with hip fracture. Osteoporos Int 2019; 30:1767-1778. [PMID: 31278472 DOI: 10.1007/s00198-019-05056-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 06/12/2019] [Indexed: 11/30/2022]
Abstract
UNLABELLED Hip fractures are associated with increased mortality and it is important to identify risk factors. This study demonstrates that preexisting cardiovascular disease as well as cardiovascular biomarkers that are associated with increased 30-day mortality. These findings can be used to identify high-risk patients who might benefit from specialized care. INTRODUCTION This study investigates the association between cardiovascular disease (CVD), cardiovascular biomarkers, and 30-day mortality following a hip fracture. METHODS The Danish National Patient Registry was used to investigate the association between CVD and mortality following hip fracture in a nationwide population-based cohort study. In a subset of the included patients (n = 355), blood samples were available from a local biobank. These samples were used for analyzing the association between specific biochemical markers and mortality. The primary outcome was 30-day mortality. RESULTS A total of 113,211 patients were included in the population-based cohort study. Among these, heart failure was present in 9.4%, ischemic heart disease in 15.9%, and ischemic stroke in 12.0%. Within 30 days after the hip fracture, 11,488 patients died, resulting in an overall 30-day mortality of 10.1%. The 30-day mortality was significantly increased in individuals with preexisting CVD with multivariably adjusted odds ratios of 1.69 (95% confidence interval, 1.60-1.78) for heart failure, 1.23 (1.17-1.29) for ischemic heart disease, and 1.06 (1.00-1.12) for ischemic stroke. In the local database including 355 patients, 41 (11.5%) died within 30 days. The multivariably adjusted odds ratio for 30-day mortality increased with increasing NT-proBNP (2.36 [1.53-3.64] per quartile) and decreased with increasing HDL cholesterol (0.58 [0.41-0.82] per quartile). On this basis, we established a model for predicting the probability of death based on the biochemical markers. CONCLUSION Preexisting CVD was associated with increased 30-day mortality after a hip fracture. Furthermore, high levels of NT-proBNP and low levels of HDL cholesterol were associated with increased 30-day mortality.
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Affiliation(s)
- D Norring-Agerskov
- Department of Clinical Biochemistry, Hvidovre Hospital, Kettegård Alle 30, 2650, Hvidovre, Denmark.
- Open Patient Data Explorative Network, University of Southern Denmark and Odense University Hospital, J.B. Winsløws Vej 9A, 5000, Odense C, Denmark.
| | - C M Madsen
- Department of Clinical Biochemistry, Herlev og Gentofte Hospital, Herlev Ringvej 75, 2730, Herlev, Denmark
| | - L Bathum
- Department of Clinical Biochemistry, Hvidovre Hospital, Kettegård Alle 30, 2650, Hvidovre, Denmark
| | - O B Pedersen
- Department of Clinical Immunology, Næstved Sygehus, Ringstedgade 61, 4700, Næstved, Denmark
| | - J B Lauritzen
- Department of Clinical Medicine, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
- Department of Orthopedic Surgery, Bispebjerg Hospital, Bispebjerg Bakke 23, 2400, Copenhagen NV, Denmark
| | - N R Jørgensen
- Open Patient Data Explorative Network, University of Southern Denmark and Odense University Hospital, J.B. Winsløws Vej 9A, 5000, Odense C, Denmark
- Department of Clinical Biochemistry, Rigshospitalet, Valdemar Hansens Vej 13, 2600, Glostrup, Denmark
| | - H L Jørgensen
- Department of Clinical Biochemistry, Hvidovre Hospital, Kettegård Alle 30, 2650, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
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Rostagno C, Peris A, Polidori GL, Ranalli C, Cartei A, Civinini R, Boccaccini A, Prisco D, Innocenti M, Di Mario C. Perioperative myocardial infarction in elderly patients with hip fracture. Is there a role for early coronary angiography? Int J Cardiol 2019; 284:1-5. [DOI: 10.1016/j.ijcard.2018.10.095] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 10/24/2018] [Accepted: 10/26/2018] [Indexed: 10/28/2022]
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10
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Zhang YP, Ao S, Liu Y, Wang Y, Jia YM, Zhang H, Leng H. Identification of hub genes associated with postmenopausal osteoporosis by Gibbs sampling method. Exp Ther Med 2019; 17:2675-2681. [PMID: 30906457 PMCID: PMC6425251 DOI: 10.3892/etm.2019.7231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 01/03/2019] [Indexed: 12/20/2022] Open
Abstract
Underlying pivotal pathways were identified to reveal potential key genes correlated with postmenopausal osteoporosis (PMOP). The pathways were enriched by Kyoto Encyclopedia of Genes and Genomes (KEGG) with genes intersection greater than 5 based on gene expression profile data, and the acquired pathways were then transformed to Markov chain (MC). Gibbs sampling was conducted to obtain a new MC. Moreover, the average probabilities of each pathway in normal and PMOP were computed via an MC Monte Carlo (MCMC) algorithm, and differential pathways were identified based on probabilities more than 0.7. In addition, frequencies of appearance of pathway genes were counted via MCMC and the hub genes were achieved with the probabilities of gene expression efficiencies in two states. Judging by the gene intersection more than 5, overall 280 pathways were determined. After Gibbs sampling, 2 differential pathways were obtained on the basis of probabilities more than 0.7. Moreover, the hub genes comprising TNNC1, MYL2, and TTN were achieved according to probabilities more than 0.7. The identified pathways and the three hub genes probably are useful for developing approaches for the diagnosis and treatment of PMOP in future preclinical and clinical applications.
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Affiliation(s)
- Ya-Peng Zhang
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
| | - Shuang Ao
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
| | - Yu Liu
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
| | - Yu Wang
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
| | - Yi-Ming Jia
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
| | - Hao Zhang
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
| | - Hui Leng
- Department of Orthopedics, Chifeng Municipal Hospital, Chifeng, Inner Mongolia 024000, P.R. China
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Nordling P, Strandberg M, Strandberg NNG, Kiviniemi TO, Mäkelä KT, Airaksinen KEJ. Preoperative myocardial troponin T elevation is associated with the fracture type in patients with proximal femoral fracture. Scand J Surg 2018; 108:305-312. [PMID: 30520365 DOI: 10.1177/1457496918816928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND AIMS Cardiovascular complications are common in hip fracture patients but the role of fracture type and operative method in these is unclear. This prospective cohort study aimed to evaluate the impact of fracture- and operative characteristics on perioperative cardiovascular complications and prognosis in unselected hip fracture patients. MATERIAL AND METHODS During a 7-month trial registration period, a population of 197 consecutive hip fracture patients (median age 84 years) diagnosed with femoral neck or pertrochanteric fracture was formed. The exclusion criteria were patient refusal, subtrochanteric fracture, or death preoperatively. Pre- and postoperative troponin T (TnT) elevation, perioperative N-terminal fragment of pro-B-type natriuretic peptide (NT-proBNP) level, perioperative cardiovascular adverse events, and all-cause 30-day and 2- and 5-year mortalities were studied. RESULTS Femoral neck fracture was independently associated with preoperative myocardial injury witnessed by TnT elevation (HR 2.95, 95% confidence interval 1.21-7.19, p = 0.018). The fracture type, surgery delay, or operative method were not significantly associated with NT-proBNP levels, cardiovascular adverse event diagnoses, or prognosis. Cardiovascular adverse events were clinically diagnosed in 28 (14%) participants, and these had a higher mortality compared to participants without such diagnosis (at 30 days, 32% vs 5%; 2 years, 71% vs 31%; and 5 years, 86% vs 59%; p < 0.001). CONCLUSION While the femoral neck fracture independently predicts preoperative cardiovascular morbidity, the operative method does not affect perioperative cardiovascular complications or the prognosis, and it may be selected by the treating clinician based on other criteria.
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Affiliation(s)
- P Nordling
- Heart Center, Turku University Hospital, Turku, Finland.,Department of Clinical Medicine, University of Turku, Turku, Finland
| | - M Strandberg
- Heart Center, Turku University Hospital, Turku, Finland.,Department of Clinical Medicine, University of Turku, Turku, Finland
| | - N N G Strandberg
- Department of Orthopaedic Surgery and Traumatology, Turku University Hospital, Turku, Finland
| | - T O Kiviniemi
- Heart Center, Turku University Hospital, Turku, Finland.,Department of Clinical Medicine, University of Turku, Turku, Finland
| | - K T Mäkelä
- Department of Orthopaedic Surgery and Traumatology, Turku University Hospital, Turku, Finland
| | - K E J Airaksinen
- Heart Center, Turku University Hospital, Turku, Finland.,Department of Clinical Medicine, University of Turku, Turku, Finland
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Usefulness of Serum Cardiac Biomarkers for Predicting In-Hospital Cardiac Complications in Acute Hip Fracture: A Prospective Cohort in 20 High Surgical Risk patients with Age over 55 Years. BIOMED RESEARCH INTERNATIONAL 2018; 2018:3453652. [PMID: 30069466 PMCID: PMC6057424 DOI: 10.1155/2018/3453652] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 05/11/2018] [Accepted: 05/31/2018] [Indexed: 12/23/2022]
Abstract
Background. Serum cardiac biomarkers have recently been demonstrated to be useful for predicting perioperative complication after hip fracture (HF). However, no previous study has revealed the comparative efficacy of different cardiac biomarkers in high surgical risk HF patients. Methods. A prospective study was conducted, from June to December 2016, in 20 acute HF patients with American Society of Anesthesiologists (ASA) grade 3 or 4. All patients received blood test for high sensitivity Troponin-I (hsTnI) and N-terminal fragment of pro-B-type natriuretic peptide (NT-proBNP) at the time of admission and 24 hours postoperatively. Perioperative data and in-hospital, 3-month, and 6-month postoperative complications were collected. The complications were classified as cardiac and noncardiac HF-related complications. Results. The average patients' age was 79±8 years. Six patients (30%) were male. The incidence of PCI was 30% (n=6). None of the patients (0%) died during the 6-month postoperative followup period. In-hospital overall cardiac and noncardiac complications were found in 12(60%), 5(30%), and 7(45%), respectively. The mean serum hsTnI levels in the patients with cardiac complication were significantly greater than those in the patients without cardiac complication at both time of admission (99.5 ng/mL vs 5.5 ng/mL, p=0.006) and 24 hours postoperatively (28.6 ng/mL vs 9.4 ng/mL, p=0.013). The mean serum NT-proBNP levels in patients with cardiac complication were also greater but nonsignificantly compared to those in the patients without cardiac complication at both time of admission (2299 pg/mL vs 281 pg/mL, p=0.239) and 24 hours postoperatively (2266 pg/mL vs 586 pg/mL, p=0.061). The other significant preoperative predictors for cardiac complication were low hemoglobin level (p=0.014), low glomerular filtration rate level (p=0.039), and ASA grade 4 (p=0.005). Conclusion. In-hospital cardiac complication in high-risk HF patients was significantly associated with the abnormal rise of serum hsTnI level. Therefore, we recommended using the hsTnI test in the perioperative evaluation in high-risk HF patients. Trial registration number is TCTR20160711002.
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Miccichè V, Baldi C, De Robertis E, Piazza O. Myocardial injury after non-cardiac surgery: a perioperative affair? Minerva Anestesiol 2018; 84:1209-1218. [PMID: 29589418 DOI: 10.23736/s0375-9393.18.12537-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Myocardial injury after non-cardiac surgery (MINS) is a rather new nosological entity and an unfortunately common perioperative complication. The diagnostic criteria for MINS, also indicated as isolated myocardial injury (IMI), are an elevated postoperative high sensitivity troponin T (hsTnT level ranging between 20 and 65 ng/L with an absolute change of at least 5 ng/L or hsTnT level >65 ng/L), in absence of symptoms and/or EKG findings suggestive of ischemia and without a non-ischemic etiology causing troponin elevation. MINS does not fulfill the universal definition of myocardial infarction even if it is related to ischemic causes and it is independently associated with 30-day postoperative mortality and complications. Nevertheless, mortality at 30 days in MINS patients has been calculated up to 10% and it increases exponentially as a function of peak postoperative troponin concentration. Physician and researchers should discriminate MINS from perioperative myocardial infarction and from not ischemic troponin increases. In the postoperative period, the possibility of missing the diagnosis of an acute coronary syndrome for the paucity of clinical symptoms or because physician failed to evaluate a postoperative EKG recording should always be considered. Physiopathology of MINS is not yet well defined: current hypotheses are surrogated from perioperative myocardial infarction studies. Up to now there are not specific treatments for MINS, even if antithrombotic therapy is under evaluation. Treatment decisions should be tailored to the individual case; potential benefits of troponin screening include a cardiology consultation and consequently, improved patients' information to promote lifestyle changes and enhanced therapy.
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Affiliation(s)
- Viviana Miccichè
- Department of Critical Care, San Giovanni di Dio e Ruggi d'Aragona University Hospital, Salerno, Italy
| | - Cesare Baldi
- Cardio-Thoracic-Vascular Department, San Giovanni di Dio e Ruggi d'Aragona University Hospital, Salerno, Italy -
| | - Edoardo De Robertis
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University, Naples, Italy
| | - Ornella Piazza
- Department of Medicine and Surgery, University of Salerno, Salerno, Italy
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14
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Wongrakpanich S, Kallis C, Prasad P, Kanjanahattakij N, Sirinvaravong N, Rangaswami J, Rosenzweig A. Prevalence of false positive troponin I in elderly patients with rhabdomyolysis. Geriatr Gerontol Int 2017; 17:1137-1140. [DOI: 10.1111/ggi.13021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 01/17/2017] [Indexed: 11/30/2022]
Affiliation(s)
| | - Christos Kallis
- Department of Medicine; Einstein Medical Center; Philadelphia Pennsylvania USA
| | - Prithiv Prasad
- Department of Medicine; Einstein Medical Center; Philadelphia Pennsylvania USA
| | | | - Natee Sirinvaravong
- Department of Medicine; Einstein Medical Center; Philadelphia Pennsylvania USA
| | - Janani Rangaswami
- Department of Medicine; Einstein Medical Center; Philadelphia Pennsylvania USA
| | - Andrew Rosenzweig
- Department of Medicine; Einstein Medical Center; Philadelphia Pennsylvania USA
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15
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Vallet H, Breining A, Le Manach Y, Cohen-Bittan J, Mézière A, Raux M, Verny M, Riou B, Khiami F, Boddaert J. Isolated cardiac troponin rise does not modify the prognosis in elderly patients with hip fracture. Medicine (Baltimore) 2017; 96:e6169. [PMID: 28207554 PMCID: PMC5319543 DOI: 10.1097/md.0000000000006169] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Perioperative myocardial infarction remains a life-threatening complication in noncardiac surgery and even an isolated troponin rise (ITR) is associated with significant mortality. Our aim was to assess the prognostic value of ITR in elderly patients with hip fracture.In this cohort study, all patients admitted between 2009 and 2013 in our dedicated geriatric postoperative unit after hip fracture surgery with a cardiac troponin I determination were included and divided into Control, ITR, and acute coronary syndrome (ACS) groups. The primary end point was a composite criteria defined as 6-month mortality and/or re-hospitalization. Secondary end points included 30-day mortality, 6-month mortality, and 6-month functional outcome.Three hundred twelve patients were (age 85 ± 7 years) divided into Control (n = 217), ITR (n = 50), and ACS (n = 45) groups. There was no significant difference for any postoperative complications between ITR and Control groups. In contrast, atrial fibrillation, acute heart failure, hemorrhage, and ICU admission were significantly more frequent in the ACS group. Compared to the Control group, 6-month mortality and/or rehospitalization was not significantly modified in the ITR group (26% vs. 28%, P = 0.84, 95% confidence interval [CI] of the difference -13%-14%), whereas it was increased in the ACS group (44% vs. 28%, P = 0.02, 95% CI of the difference 2%-32%). ITR was not associated with a higher risk of new institutionalization or impaired walking ability at 6 months, in contrast to ACS group.In elderly patients with hip fracture, ITR was not associated with a significant increase in death and/or rehospitalization within 6 months.
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Affiliation(s)
- Hélène Vallet
- Sorbonne Universités UPMC Univ Paris 06, DHU FAST
- Department of Geriatry
| | - Alice Breining
- Sorbonne Universités UPMC Univ Paris 06, DHU FAST
- Department of Geriatry
| | - Yannick Le Manach
- Departments of Anesthesia & Clinical Epidemiology and Biostatistics, Michael DeGroote School of Medicine, Population Health Research Institute, Perioperative Medicine and Surgical Research Unit, Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | | | - Anthony Mézière
- Department of Rehabilitation, GH Charles Foix, APHP, Ivry sur Seine
| | - Mathieu Raux
- UMRS INSERM 1158
- Department of Anesthesiology and Critical Care
| | - Marc Verny
- Sorbonne Universités UPMC Univ Paris 06, DHU FAST
- Department of Geriatry
- Centre National de la Recherche Scientifique (CNRS), Paris, France
| | - Bruno Riou
- UMRS INSERM 1166, IHU ICAN
- Department of Emergency Medicine and Surgery
| | - Frédéric Khiami
- Department of Orthopedic Surgery and Trauma Groupe Hospitalier (GH) Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (APHP), Paris, France
| | - Jacques Boddaert
- Sorbonne Universités UPMC Univ Paris 06, DHU FAST
- UMRS INSERM 1166, IHU ICAN
- Department of Geriatry
- Centre National de la Recherche Scientifique (CNRS), Paris, France
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Fisher A, Srikusalanukul W, Fisher L, Smith P. The Neutrophil to Lymphocyte Ratio on Admission and Short-Term Outcomes in Orthogeriatric Patients. Int J Med Sci 2016; 13:588-602. [PMID: 27499691 PMCID: PMC4974907 DOI: 10.7150/ijms.15445] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 06/15/2016] [Indexed: 12/18/2022] Open
Abstract
AIM To investigate the association of the neutrophil to lymphocyte ratio (NLR) at admission with presence of fracture, comorbid conditions, and its prognostic value for short-term outcomes in orthogeriatric patients. METHODS On 415 consecutive patients (mean age 78.8 ±8.7[SD] years, 281 women, 255 with a non-vertebral bone fracture, including 167 with a hip fracture, HF) admitted to the Department of Orthopaedic Surgery at the Canberra hospital (2010 - 2011) data on clinical and laboratory characteristics were collected prospectively. The validation dataset included 294 consecutive patients (mean age 82.1 ± 8.0 years, 72.1% women) with HF. RESULTS Multivariate regression revealed four variables, presence of HF, hypoalbuminaemia (<33g/L), anaemia (<120g/L) and hyperparathyroidism (PTH>6.8 pmol/L), as independent determinants of admission NLR≥5.1. There was a dose-graded relationship between presence of fracture, especially HF, postoperative complications and levels of NLR categorized as tertiles. Compared to patients with NLR<5.1(first tertile), patients with NLR 5.1-8.5 (second tertile) had a 1.8-, 3.1-, 2.6-, and 2.5-fold higher risk for presence of any fracture, HF, developing postoperative myocardial injury (troponin I rise) and a high inflammatory response/infection (CRP>100mg/L after the 3rd postoperative day), respectively, while in subjects with NLR>8.5 (third tertile) these risks were 2.6-, 4.9-, 5.9- and 4.5-times higher, respectively; subjects with NLR>8.5 had a 9.7 times higher chance of dying in the hospital compared to patients with NLR 5.1-8.5; the NLR retained its significance on multivariate analyses. The NLR ≥5.1 predicted postoperative myocardial injury with an area under the curve (AUC) of 0.626, CRP>100mg/L with AUC of 0.631 and the NLR >8.5 predicted in-hospital mortality with an AUC of 0.793, showing moderately high sensitivity (86.7%, 80% and 90%, respectively) and negative predictive value (92.9%, 71.2%, 99.6%, respectively), but low specificity. Admission NLR was superior to other, except hypoalbuminaemia, prognostic markers; combined use of both NLR≥5.1 and albumin<33g/L only moderately increased the accuracy of prediction. The validation study confirmed the prognostic value of the admission NLR. CONCLUSIONS In orthogeriatric patients, high NLR on admission is an independent indicator of fracture presence, a significant risk factor and moderate predictor of postoperative myocardial injury, high inflammatory response/infection and in-hospital death.
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Affiliation(s)
- Alexander Fisher
- Department of Geriatric Medicine, The Canberra Hospital, Canberra, ACT, Australia; Department of Orthopaedic Surgery, The Canberra Hospital, Canberra, ACT, Australia; Australian National University Medical School, Canberra, ACT, Australia
| | | | - Leon Fisher
- Department of Gastroenterology, The Canberra Hospital, Canberra, ACT, Australia
| | - Paul Smith
- Department of Orthopaedic Surgery, The Canberra Hospital, Canberra, ACT, Australia; Australian National University Medical School, Canberra, ACT, Australia
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Relation of perioperative elevation of troponin to long-term mortality after orthopedic surgery. Am J Cardiol 2015; 115:1643-8. [PMID: 25890628 DOI: 10.1016/j.amjcard.2015.03.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 03/13/2015] [Accepted: 03/13/2015] [Indexed: 11/21/2022]
Abstract
Myocardial necrosis in the perioperative period of noncardiac surgery is associated with short-term mortality, but long-term outcomes have not been characterized. We investigated the association between perioperative troponin elevation and long-term mortality in a retrospective study of consecutive subjects who underwent hip, knee, and spine surgery. Perioperative myocardial necrosis and International Classification of Disease, Ninth Revision-coded myocardial infarction (MI) were recorded. Long-term survival was assessed using the Social Security Death Index database. Logistic regression models were used to identify independent predictors of long-term mortality. A total of 3,050 subjects underwent surgery. Mean age was 60.8 years, and 59% were women. Postoperative troponin was measured in 1,055 subjects (34.6%). Myocardial necrosis occurred in 179 cases (5.9%), and MI was coded in 20 (0.7%). Over 9,015 patient-years of follow-up, 111 deaths (3.6%) occurred. Long-term mortality was 16.8% in subjects with myocardial necrosis and 5.8% with a troponin in the normal range. Perioperative troponin elevation (hazard ratio 2.33, 95% confidence interval 1.33 to 4.10) and coded postoperative MI (adjusted hazard ratio 3.51, 95% confidence interval 1.44 to 8.53) were significantly associated with long-term mortality after multivariable adjustment. After excluding patients with coronary artery disease and renal dysfunction, myocardial necrosis remained associated with long-term mortality. In conclusion, postoperative myocardial necrosis is common after orthopedic surgery. Myocardial necrosis is independently associated with long-term mortality at 3 years and may be used to identify patients at higher risk for events who may benefit from aggressive management of cardiovascular risk factors.
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18
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Predicting major adverse cardiac events in spine fusion patients: is the revised cardiac risk index sufficient? Spine (Phila Pa 1976) 2014; 39:1441-8. [PMID: 24825150 DOI: 10.1097/brs.0000000000000405] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Observational cohort study. OBJECTIVE To determine the accuracy of the Revised Cardiac Risk Index (RCRI) in predicting major adverse cardiac events in patients undergoing spine fusion surgery of 3 levels or more. SUMMARY OF BACKGROUND DATA Preoperative cardiac testing is extensively guided by the RCRI, which was developed and validated in thoracic, abdominal, and orthopedic surgical patients. Because multilevel spine fusion surgery is often associated with major transfusion, we hypothesize that the RCRI may not accurately characterize the risk of cardiovascular morbidity in these patients. METHODS After institutional review board approval, perioperative data were collected from 547 patients who underwent 3 or more levels of spinal fusion with instrumentation. Postoperative cardiac morbidity was defined as any combination of the following: arrhythmia requiring medical treatment, myocardial infarction (either by electrocardiographic changes or troponin elevation), or the occurrence of demand ischemia. The surgical complexity was categorized as anterior surgery only, posterior cervical and/or thoracic fusion, posterior lumbar fusion, or any surgery that included transpedicular osteotomies. Logistic regression analysis was performed to determine RCRI performance. RESULTS The RCRI performed no better than chance (area under the curve = 0.54) in identifying the 49 patients (9%) who experienced cardiac morbidity. CONCLUSION The RCRI did not predict cardiac morbidity in our patients undergoing major spine fusion surgery, despite being extensively validated in low-risk noncardiac surgical patients. Preoperative testing and optimization decisions, previously based on the RCRI, may need to be revised to include more frequent functional cardiac imaging and more aggressive implementation of pharmacologic modalities that may mitigate cardiac morbidity, similar to the preoperative evaluation for major vascular surgery. LEVEL OF EVIDENCE 3.
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Hietala P, Strandberg M, Kiviniemi T, Strandberg N, Airaksinen KJ. Usefulness of troponin T to predict short-term and long-term mortality in patients after hip fracture. Am J Cardiol 2014; 114:193-7. [PMID: 24856320 DOI: 10.1016/j.amjcard.2014.04.026] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/23/2014] [Accepted: 04/23/2014] [Indexed: 10/25/2022]
Abstract
The purpose was to evaluate the short-term (30-day) and long-term (1,000-day) prognostic values of perioperative troponin T (TnT) and electrocardiographic (ECG) findings in hip fracture patients. A consecutive cohort of 200 patients (68 men) was enrolled. Blinded TnT levels and ECG were assessed on admission, before operation, and on first and second postoperative days. Median (interquartile range) follow-up time was 3.1 (0.3) years. TnT elevation was observed in 71 patients (35.5%): already before the operation in 36 patients (51%) and only after surgery in 35 patients (49%). New ischemic ECG changes were detected in 101 of 194 patients (52%), including 7 ST elevations. Patients with TnT elevation had higher short-term (17% vs 4.7%, respectively, p=0.008) and long-term (61% vs 40%, respectively, p=0.005) mortality, the short-term mortality being higher in patients with major (TnT≥0.15 μg/L) compared with minor TnT elevation (24% vs 13%, respectively, p=0.005). TnT elevation was the only independent predictor of short-term mortality (hazard ratio [HR] 3.87, 95% confidence interval [CI] 1.45 to 10.3, p=0.007), whereas TnT elevation (HR 1.73, 95% CI 1.14 to 2.64, p=0.01), increasing age (HR 1.03, 95% CI 1.01 to 1.06, p=0.01), dementia (HR 1.84, 95% CI 1.22 to 2.78, p=0.004), and atrial fibrillation (HR 1.86, 95% CI 1.18 to 2.93, p=0.007) remained independent predictors of long-term mortality. ECG findings other than ST elevation did not affect mortality. In conclusion, elevated perioperative TnT level is a strong predictor of short-term and long-term mortality. Routine TnT measurements and earlier diagnosis together with appropriate treatment may improve survival of this fragile patient group.
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Ling XW, Howe TS, Koh JSB, Wong MK, Ng ACM. Preoperative thyroid dysfunction predicts 30-day postoperative complications in elderly patients with hip fracture. Geriatr Orthop Surg Rehabil 2013; 4:43-9. [PMID: 24093075 DOI: 10.1177/2151458513504215] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES To investigate the relationship between thyroid function and short-term outcomes in elderly patients undergoing surgery for hip fracture. METHODS Patients aged >60 years admitted from July 2009 to June 2010 who underwent surgical fixation of low-energy hip fracture, excluding those with pathological or periprosthetic fracture, were enrolled in a retrospective observational cohort study. Patients were classified as having biochemically overt or subclinical hyperthyroidism or hypothyroidism, normal thyroid function, or nonclassifiable state based on preoperative thyroid-stimulating hormone and free thyroxine values. Outcome data were collected from hospital records. Biochemical thyroid dysfunction was not systematically treated. Outcomes measured were length of stay (LOS), 30-day postoperative complications, readmissions, and mortality. RESULTS A total of 254 patients were analyzed; 64 (25.2%) were male and mean age was 77.8 years. There were 128 (50.4%) patients with euthyroid, 68 (26.8%) nonclassifiable, 13 (5.1%) overtly hyperthyroid, 20 (7.9%) subclinically hyperthyroid, 4 (1.6%) overtly hypothyroid, and 21 (8.3%) subclinically hypothyroid. The 30-day postoperative complication rate was 38% (96 patients). The most common complication was urinary tract infection (12.6%), followed by cardiac events (8.3%) and delirium (5.5%). Patients with overt hyperthyroidism had an increased risk of complications in multivariate analysis (odds ratio 3.75, 95% confidence interval 1.10-12.84). Complications in this group were similar to those in the overall cohort. Thyroid function did not predict LOS, readmissions, or mortality. CONCLUSION Older patients frequently develop complications following surgery for hip fractures. This risk appears to be increased by preoperative biochemically overt hyperthyroidism. Further study is warranted to confirm this finding and to determine whether preoperative treatment improves outcomes.
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Affiliation(s)
- Xi Wern Ling
- Department of Orthopedics, Singapore General Hospital, Outram Road, Singapore
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Perioperative myocardial infarctions are common and often unrecognized in patients undergoing hip fracture surgery. J Trauma Acute Care Surg 2013; 74:1087-91. [PMID: 23511149 DOI: 10.1097/ta.0b013e3182827322] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The aim of this prospective cohort study was to assess the incidence and characteristics of acute myocardial infarction in patients undergoing surgery for acute hip fracture. METHODS A consecutive cohort of patients (n = 200, 68 men) referred to acute surgical correction of hip fracture was studied. Troponin T (TnT) measurements and electrocardiographic (ECG) recordings were performed at admission, before operation, and on the first and 2nd postoperative days, which were used for diagnosis. RESULTS The age of the patients ranged from 32 to 98 years (mean, 80.8 years), and 65 patients had a history of coronary artery disease. A significant rise in TnT as a sign of myocardial infarction was observed in 71 patients (35.5%), and 25 of them had a TnT elevation exceeding five times the upper normal limit. TnT elevation was observed in 36 patients (51%) already before surgery. Seven patients (10%) had ST elevation myocardial infarction, 23 patients (32%) had new ST depressions, and 21 patients (30%) had no new ST segment changes in the serial electrocardiographic recordings. In 40 patients (56%), the perioperative myocardial infarction was the first manifestation of coronary artery disease. Multivariate logistic regression revealed that old age (odds ratio [OR], 1.06; 95% confidence interval [CI], 1.02-1.10; p = 0.002), earlier revascularization (OR, 3.29; 95% CI 1.12-9.73; p = 0.03), and heart failure (OR, 2.42; 95% CI 1.04-5.61; p = 0.04) were independent predictors of TnT elevation. Majority of myocardial infarctions were asymptomatic or unrecognized. Evidence-based medications of myocardial infarction were seldom started and cardiologist was consulted in 12 patients (16.9%). CONCLUSION Patients with hip fracture often develop asymptomatic and clinically unrecognized perioperative myocardial infarctions. Earlier diagnosis and appropriate treatment of cardiac infarction may improve survival of hip fracture patients. LEVEL OF EVIDENCE Epidemiologic study, level III.
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Sandhu A, Sanders S, Geraci SA. Prognostic value of cardiac troponins in elderly patients with hip fracture--a systematic review. Osteoporos Int 2013; 24:1145-9. [PMID: 22907738 DOI: 10.1007/s00198-012-2116-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Accepted: 06/21/2012] [Indexed: 10/28/2022]
Abstract
Cardiac troponins can be elevated in cardiac ischemic conditions or other diseases such as pulmonary embolism or renal failure, where they may predict outcome. We hypothesized that cardiac troponins offer useful prognostic information regarding morbidity and mortality in elderly hip fracture patients undergoing surgical therapy. A literature review was conducted using PubMed and CINAHL plus with full text (EBSCOhost). Articles with original data relating troponins to prognosis in elderly hip fracture patients were reviewed. Studies with patients not undergoing surgery or undergoing elective or nonhip fracture surgery were excluded. Six papers met inclusion criteria. Troponin elevation was seen in 26.7-39% of patients, while myocardial infarction, cardiac complications, and cardiac death occurred in ≤35% troponin-positive patients in four of six studies. Several noncardiac factors were associated with elevated troponin including higher American Society of Anaesthesiologists score, current smoking, reduced mobility/activity level, lower hemoglobin, and living in residential care. Patients with elevated troponin had longer lengths of stay, increased risk for discharge to long-term care facilities, and higher mortality. Increased age, male sex, and higher American Society of Anaesthesiologists score were also associated with mortality. Elevated troponin can be used as a marker of increased morbidity/mortality in elderly hip fracture patients undergoing surgery, as hypothesized, even in the absence of cardiac complications. Perioperative troponin evaluation may be useful for risk stratification, but further studies are needed to clarify risks and benefits of such testing.
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Affiliation(s)
- A Sandhu
- Division of Rheumatology, University of Mississippi School of Medicine, 2500 North State Street, Jackson, MS 39216, USA
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Oberweis BS, Nukala S, Rosenberg A, Guo Y, Stuchin S, Radford MJ, Berger JS. Thrombotic and bleeding complications after orthopedic surgery. Am Heart J 2013; 165:427-33.e1. [PMID: 23453114 DOI: 10.1016/j.ahj.2012.11.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2012] [Accepted: 11/19/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Thrombotic and bleeding complications are major concerns during orthopedic surgery. Given the frequency of orthopedic surgical procedures and the limited data in the literature, we sought to investigate the incidence and risk factors for thrombotic (myocardial necrosis and infarction) and bleeding events in patients undergoing orthopedic surgery. METHODS AND RESULTS We performed a retrospective cohort analysis of 3,082 consecutive subjects ≥21 years of age undergoing hip, knee, or spine surgery between November 1, 2008, and December 31, 2009. Patient characteristics were ascertained using International Classification of Diseases, Ninth Revision, diagnosis coding and retrospective review of medical records, and laboratory/blood bank databases. In-hospital outcomes included myocardial necrosis (elevated troponin), major bleeding, coded myocardial infarction, and coded hemorrhage as defined by International Classification of Diseases, Ninth Revision, coding. Of the 3,082 subjects, mean age was 60.8 ± 13.3 years, and 59% were female. Myocardial necrosis, coded myocardial infarction, major bleeding, and coded hemorrhage occurred in 179 (5.8%), 20 (0.7%), 165 (5.4%), and 26 (0.8%) subjects, respectively. Increasing age (P < .001), coronary artery disease (P < .001), cancer (P = .004), and chronic kidney disease (P = .01) were independent predictors of myocardial necrosis, whereas procedure type (P < .001), cancer (P < .001), female sex (P < .001), coronary artery disease (P < .001), and chronic obstructive pulmonary disease (P = .01) were independent predictors of major bleeding. CONCLUSION There is a delicate balance between thrombotic and bleeding events in the perioperative period after orthopedic surgery. Perioperative risk of both thrombosis and bleeding deserves careful attention in preoperative evaluation, and future prospective studies aimed at attenuating this risk are warranted.
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Smeets SJM, Poeze M, Verbruggen JPAM. Preoperative cardiac evaluation of geriatric patients with hip fracture. Injury 2012; 43:2146-51. [PMID: 22995981 DOI: 10.1016/j.injury.2012.08.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2011] [Accepted: 07/31/2012] [Indexed: 02/08/2023]
Abstract
BACKGROUND The American College of Cardiology (ACC) and the American Heart Association (AHA) have developed guidelines for perioperative assessment of patients in case of non-cardiac surgery. The aim of this study was to investigate if the preoperative cardiac evaluation of geriatric patients with hip fracture was in accordance with these guidelines and what the effects were on outcome. METHODS In a retrospective study 388 patients with hip fracture treated in the department of Trauma surgery of the Maastricht University Medical Centre in the Netherlands were included. All patients were treated between 2003 and 2006 and had at least two year follow-up. The preoperative cardiac screening was analysed with respect to content and to which level this followed the ACC/AHA guidelines. These guidelines were used to classify cardiac risk into low, intermediate and high risk. This was related to the outcome measurements delay to surgery, perioperative complications and mortality. RESULTS According to the ACC/AHA guidelines 82% of patients received correct preoperative cardiac screening in the low vs. 46% in the intermediate and 86% in the high risk group. The most frequent reason for incorrect preoperative cardiac screening was overscreening (>95%). The delay to surgery increased by 9.9h in the case of overscreening (p=0.03). A previous cardiac history was a significant risk factor for early mortality. Delay of >48 h was associated with more cardiovascular complications and mortality both on univariate and multivariate analysis. CONCLUSION Preoperative cardiac screening is frequently unnecessary after hip fracture, especially in patients with intermediate risk predictors and increases the delay to surgery. Delay of >48 h was associated with more cardiovascular complications and mortality postoperatively. The implementation of the ACC/AHA guidelines may prevent unnecessary cardiac consultations which reduces preoperative resources, delay to surgery and possibly decreases postoperative complications.
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Affiliation(s)
- S J M Smeets
- Department of Surgery, Maastricht University Medical Center, Postbus 5800, 6202 AZ Maastricht, The Netherlands.
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Huddleston JM, Gullerud RE, Smither F, Huddleston PM, Larson DR, Phy MP, Melton LJ, Roger VL. Myocardial infarction after hip fracture repair: a population-based study. J Am Geriatr Soc 2012; 60:2020-6. [PMID: 23110362 DOI: 10.1111/j.1532-5415.2012.04205.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES To quantify the occurrence of myocardial infarction (MI) occurring in the early postoperative period after surgical hip fracture repair and estimate the effect on 1-year mortality. DESIGN A population-based, historical cohort study of individuals who underwent surgical repair of a hip fracture that used the computerized medical record linkage system of the Rochester Epidemiology Project. SETTING Academic and community hospitals, outpatient offices, and nursing homes in Olmsted County, Minnesota. PARTICIPANTS Over the 15-year study period (1988-2002), 1,116 elderly adults underwent surgical repair of a hip fracture. MEASUREMENTS At the end of the first 7 days after hip fracture repair, participants were classified into one of three groups: clinically verified MI (cv-MI), subclinical myocardial ischemia, and no myocardial ischemia. One-year mortality was compared between these groups. Multivariate models assessed risk factors for early postoperative cv-MI and 1-year mortality. RESULTS Within the first 7 days after hip fracture repair, 116 (10.4%) participants experienced cv-MI and 41 (3.7%) subclinical myocardial ischemia. Overall 1-year mortality was 22%, with no difference between those with subclinical myocardial ischemia and those with no myocardial ischemia. One-year mortality for those with cv-MI (35.8%) was significantly higher than for the other two groups. Occurrence of early postoperative cv-MI, male sex, and history of heart failure or dementia were independently associated with greater 1-year mortality, whereas prefracture home residence and preoperative higher hemoglobin were protective. CONCLUSION Rates of early postoperative, cv-MI after hip fracture repair exceed rates after other major orthopedic surgeries and are independently associated with greater 1-year mortality.
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Affiliation(s)
- Jeanne M Huddleston
- Divisions of Hospital Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA.
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Jameson SS, Khan SK, Baker P, James P, Gray A, Reed MR, Deehan DJ. A national analysis of complications following hemiarthroplasty for hip fracture in older patients. QJM 2012; 105:455-60. [PMID: 22294648 DOI: 10.1093/qjmed/hcs004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND There is emerging evidence that patients with fractured neck of femur (FNOF) aged >85 years have different demands on a health-care system when compared to younger patients. AIM We sought to better quantify this in terms of comorbidity and complication rates. DESIGN Retrospective review of national database. METHODS Data on all patients who underwent hip hemiarthroplasty for FNOF between January 2005 and December 2008 were extracted from the English hospital episode statistics database. RESULTS There were 41 770 patients aged 65-84 years and 35 321 patients aged ≥85 years. The older cohort was less likely to have diabetes, chronic obstructive pulmonary disease and rheumatoid arthritis. However, they exhibited a significantly higher risk of lower respiratory tract infection [odds ratio (OR) = 1.58, 95% confidence interval (CI) 1.50-1.67)], myocardial infarction (OR = 1.67, 1.52-1.83) and acute renal failure (OR = 1.54, 1.40-1.70) within 30 days of surgery with an inpatient mortality risk at 90 days, double that of the younger age group. Length of stay (LoS) was significantly longer in patients >85 years compared to younger patients (median 18 days vs. 15, P < 0.001). CONCLUSION Patients aged ≥85 years admitted for FNOF were found to have a lower incidence of major chronic disease but exhibited a greater incidence of acute events following hemiarthroplasty and their LoS was increased. Targeted medical interventions that focus upon this susceptible patient group may help reduce morbidity and improve survival.
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Affiliation(s)
- S S Jameson
- Northumbria Healthcare NHS Foundation Trust, Northumberland, UK.
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Troponin T in hip fracture patients: prognostic significance for mortality at one year. Hip Int 2012; 21:757-61. [PMID: 22117257 DOI: 10.5301/hip.2011.8840] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/17/2011] [Indexed: 02/04/2023]
Abstract
Hip fractures are common injuries in the elderly, with significant mortality and morbidity from several factors. Many of these patients have cardiac disease, and some develop cardiac complications which may increase mortality. Troponin T is a marker of myocardial injury but can be raised in other conditions. Patients over 60 years admitted with hip fracture during the study period had their troponin T measured on admission and postoperatively. Assay was performed after the patient had completed their treatment. We report the results of this study one year after the last patient was admitted. 108 patients were recruited. The average age was 84 years, 86% were female. The mean hospital stay was 20 days. This study found that 27% of hip fracture patients had some increase in the troponin T levels in the peri-operative period. This increase was not associated with an increase in early mortality, but there was an increase in one-year mortality for those with an increase in troponin T (45% versus 22%, p=0.03). These findings indicate that the routine measurement of troponin T does not correlate with acute mortality and is not necessary without evidence of an acute cardiac event.
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Abstract
BACKGROUND Cardiac injury after orthopaedic surgery is an increasing problem particularly in an ageing population. The detection of cardiac injury has been aided by the use of cardiac troponins which has also raised questions about the utility of this enzyme in the post-operative setting. OBJECTIVE This review evaluates the diagnosis and pathophysiology of myocardial infarction after orthopaedic surgery and examines how myocardial injury is detected, with particular emphasis on the role of troponin testing. SUBJECTS Eight recent orthopaedic trials evaluating the use of troponin were identified in the literature and included in this review. RESULTS This review found that the diagnosis of myocardial infarction ismore difficult after surgery since classic symptoms may be atypical or absent. Therefore, there ismore reliance on the typical rise and fall in troponin to diagnose cardiac injury especially because electrocardiograph changes may be hard to detect. The pathophysiology of ischaemia after orthopaedic surgery may be different to ischaemia in the non-surgical setting. The incidence of troponin elevation is between 22 and 52.9% after emergency orthopaedic operations. Of note, patients sustaining a troponin elevation are often asymptomatic. Small studies have found troponin to be a prognostic marker of in-hospital cardiac complications, increased length of stay, increased likelihood of discharge to residential care and death at 1 year. No interventional studies have been published to date. CONCLUSION Cardiac injury is an important complication after orthopaedic surgery. Studies have found that troponin testing can detect asymptomatic cardiac injury. These patients are at risk of poorer outcomes and future research should be directed towards treatment of these patients.
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Ausset S, Donat N, Masson Y. [Cardiac complications following hip fracture surgery]. ACTA ACUST UNITED AC 2011; 30:e65-7. [PMID: 21820845 DOI: 10.1016/j.annfar.2011.06.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Hip fracture is a major health burden due to both its frequency and its deep impact on patient's outcome. The key issue of this poor outcome seems to be cardiac complications. The onset of these cardiac complications seems to appear early in the clinical course in the form of perioperative myocardial ischemia that are both preventable and treatable. Their clinical and electrocardiographic pattern is very poor and they can be thoroughly detected by only either a systematic electrocardiographic 12 lead monitoring or troponin dosage.
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Affiliation(s)
- S Ausset
- Service D'anesthésie-Réanimation, Hôpital D'instruction des Armées Percy, 101, avenue Henri-Barbusse, BP 406, 92141 Clamart Cedex, France.
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Fellahi JL, Piriou V, Longrois D. [Cardiac biomarkers in perioperative risk stratification]. ANNALES FRANCAISES D'ANESTHESIE ET DE REANIMATION 2011; 30:126-140. [PMID: 21282034 DOI: 10.1016/j.annfar.2010.11.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2010] [Accepted: 11/25/2010] [Indexed: 05/30/2023]
Abstract
OBJECTIVES The field of new cardiac biomarkers has triggered physicians' enthusiasm because of their potential diagnostic and prognostic values for routine clinical practice in the surgical setting. The objective of the present article is to review the role of new cardiac biomarkers and their potential additive clinical value in predicting short- and long-term risk following cardiac and non-cardiac surgery. DATA SOURCES A PubMed(®) database research in English and French languages published until June 2010. Keywords were cardiac biomarkers, troponins, cardiac troponin I (cTnI), natriuretic peptides, B-type natriuretic peptide (BNP), C-reactive protein (CRP), multiple markers approach, risk stratification, clinical risk scores. DATA SYNTHESIS Numerous publications deal with the diagnostic and prognostic values of new cardiac biomarkers in cardiac and non-cardiac surgical settings and provide an increasing evidence of their interest, validating different hierarchical steps which are mandatory before recommending a wide use of biomarkers for routine practice. Even if the first studies demonstrating an additional prognostic value of serum postoperative cTnI and/or preoperative BNP when compared with clinical predictive models are now available, we still lack data concerning an actual positive impact of new biomarkers measurements on clinical decision making or practice, as well as patient care and outcome. CONCLUSIONS While use of new cardiac biomarkers in the perioperative period appears to be a simple and objective tool for risk stratification at the bedside, we still need to remain cautious concerning their additional clinical value on existing predictive models for routine practice.
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Affiliation(s)
- J-L Fellahi
- Pôle anesthésie-réanimation-Samu-hémovigilance-coordination hospitalière, CHU de Caen, UFR de médecine, université de Caen-Basse Normandie, avenue de la Côte-de-Nacre, Caen cedex 9, France.
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Clinical and biochemical prediction of early fatal outcome following hip fracture in the elderly. INTERNATIONAL ORTHOPAEDICS 2010; 35:903-7. [PMID: 21079953 PMCID: PMC3103949 DOI: 10.1007/s00264-010-1149-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2010] [Revised: 10/22/2010] [Accepted: 10/22/2010] [Indexed: 11/27/2022]
Abstract
Hip fracture, a moderate musculoskeletal trauma, is associated with a high postoperative mortality. Most patients are elderly, with comorbid conditions and often with heart disease. The objective of this study was to find out if clinical parameters and analyses of specific muscle enzymes could predict three month postoperative mortality. A total of 302 patients above 75 years of age with hip fracture were consecutively enrolled. Baseline information on age, sex and comorbidity assessed with the American Society of Anesthesiologists (ASA) score was obtained before surgery. Creatine kinase (CK), myocardium-specific creatine kinase (CK-MB) and troponin T (TnT) were analysed from venous blood, collected the day before surgery (−1) and postoperatively, within 24 hours (0) and on days one (+1) and four (+4). The overall three month mortality was 19.5%. Multivariate analyses showed that age, male sex and comorbidity (ASA) correlated with mortality (p = 0.027, p = 0.002, p < 0.001, respectively). Surgery induced a two- to threefold increase of CK and CK-MB but without any correlation with mortality. However, high TnT levels >0.04 μg/l correlated significantly with death (days −1, +1 and +4, p = 0.003, p = 0.005 and p = 0.003, respectively). Multivariate analyses, adjusted for age, sex and ASA category, confirmed this correlation (day +4, p = 0.008). Thus, in elderly patients with comorbidities undergoing hip fracture surgery information on sex, age, ASA category and postoperative laboratory analyses on TnT provide the clinicians with useful information on patients at risk of fatal outcome.
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Cardiac troponin T: an important predictor of late death and myocardial infarction following hip fracture: an eight-year prospective observational cohort study. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2010. [DOI: 10.1007/s00590-010-0696-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Pasquier P, Ausset S, Lenoir B. Perioperative cardiac complications: are we enjoying a smooth sailing on the Titanic? Acta Anaesthesiol Scand 2010; 54:389-91. [PMID: 20415953 DOI: 10.1111/j.1399-6576.2009.02185.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fisher A, Goh S, Srikusalanukul W, Davis M. Elevated serum PTH is independently associated with poor outcomes in older patients with hip fracture and vitamin D inadequacy. Calcif Tissue Int 2009; 85:301-9. [PMID: 19763373 DOI: 10.1007/s00223-009-9283-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2009] [Accepted: 08/12/2009] [Indexed: 02/03/2023]
Abstract
To determine whether serum 25(OH)D and/or PTH levels in older patients with hip fracture (HF) could predict short-term clinical outcomes, we conducted a prospective observational study of 287 consecutive HF patients (mean age 81.9 + or - 7.5 [SD] years, 72% females). The prevalence of vitamin D inadequacy (25[OH]D < 80 nmol/l) was 97.1%, that of vitamin D deficiency (25[OH]D < 50 nmol/l) was 79.8%, and that of elevated PTH level (>6.8 pmol/l) was 35.5%. After adjustment for age and sex, PTH was significantly associated with in-hospital mortality (OR = 1.12, 95% CI 10.5-1.20, P < 0.001), myocardial injury (OR = 1.05, 95% CI 1.03-1.15, P = 0.002), prolonged length of stay (LOS > or = 20 days; OR = 1.05, 95% CI 1.01-1.06, P = 0.044), and being discharged to institutional care (OR = 1.07, 95% CI 1.01-1.18, P = 0.48). Secondary hyperparathyroidism (SHPT), but not vitamin D deficiency, was associated with older age, a higher prevalence of trochanteric fracture, coronary artery disease, hypertension, previous stroke, renal impairment, increased levels of serum osteocalcin, bone-specific alkaline phosphatase, and adiponectin as well as a significantly higher in-hospital mortality (11.8 vs. 0.54%, P = 0.001), perioperative myocardial injury (32.7 vs. 22.5%, P = 0.043), LOS > or = 20 days (40.2 vs. 26.9%, P = 0.017), and being discharged to institutional care (29.5 vs. 14.6%, P = 0.019). In multivariate regression analyses, SHPT was strongly associated with in-hospital mortality and LOS > or = 20 days. We conclude that elevated PTH (but not vitamin D deficiency per se) is a strong independent predictor of poor outcomes in older patients.
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Affiliation(s)
- A Fisher
- Department of Geriatric Medicine, The Canberra Hospital, Canberra, ACT, Australia.
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Daban JL, De Saint Maurice GP, Batjom E, Falzone E, Ausset S. Postoperative myocardial damages are a key issue in patients' outcome after hip fracture. Age Ageing 2009; 38:488-9; author reply 489. [PMID: 19411672 DOI: 10.1093/ageing/afp040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Gaze DC. Cardiac troponin elevations in patients presenting with emergency orthopaedic trauma. Injury 2009; 40:338. [PMID: 19249044 DOI: 10.1016/j.injury.2008.10.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2008] [Accepted: 10/24/2008] [Indexed: 02/02/2023]
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Ausset S, Pelé De Saint Maurice G, Vest P, Cirodde A, Martin JM, Auroy Y. Troponin measurement levels could be used as a guide for perioperative care. Injury 2009; 40:111-2. [PMID: 19070838 DOI: 10.1016/j.injury.2008.06.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2008] [Accepted: 06/20/2008] [Indexed: 02/02/2023]
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Ausset S, Minville V, Marquis C, Benhamou D, Rigal S. Elevated serum cardiac troponin I in older patients with hip fracture: incidence and prognostic significance. Arch Orthop Trauma Surg 2008; 128:761-2. [PMID: 18299860 DOI: 10.1007/s00402-008-0588-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2008] [Indexed: 02/09/2023]
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