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Duan W, Liang H, Fan X, Zhou D, Wang Y, Zhang H. Research Progress on the Treatment of Geriatric Intertrochanteric Femur Fractures with Proximal Femur Bionic Nails (PFBNs). Orthop Surg 2024. [PMID: 38982572 DOI: 10.1111/os.14134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 05/18/2024] [Accepted: 05/20/2024] [Indexed: 07/11/2024] Open
Abstract
Intertrochanteric femur fracture is the most common hip fracture in elderly people, and the academic community has reached a consensus that early surgery is imperative. Proximal femoral nail anti-rotation (PFNA) and InterTan are the preferred internal fixation devices for intertrochanteric femur fractures in elderly individuals due to their advantages, such as a short lever arm, minimal stress shielding, and resistance to rotation. However, PFNA is associated with complications such as nail back-out and helical blade cut-out due to stress concentration. As a new internal fixation device for intertrochanteric femur fractures, the proximal femoral biodegradable nail (PFBN) addresses the issue of nail back-out and offers more stable fracture fixation, a shorter lever arm, and stress distribution compared to PFNA and InterTan. Clinical studies have shown that compared to PFNA, PFBNs lead to faster recovery of hip joint function, shorter non-weight-bearing time, and faster fracture healing. This article provides a literature review of the structural characteristics, biomechanical analysis, and clinical studies of PFBNs, aiming to provide a theoretical basis for the selection of internal fixation devices for the treatment of intertrochanteric femur fractures in elderly patients and to improve the quality of life of patients during the postoperative period.
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Affiliation(s)
- Wenyu Duan
- Baotou Medical College, Baotou, China
- Department of Traumatic, Surgery, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Hao Liang
- Baotou Medical College, Baotou, China
- Department of Traumatic, Surgery, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Xiaolong Fan
- Department of Traumatic, Surgery, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Dongming Zhou
- Department of Traumatic, Surgery, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Yulu Wang
- Department of Traumatic, Surgery, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Haidong Zhang
- Department of Traumatic, Surgery, The First Affiliated Hospital of Baotou Medical College, Baotou, China
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Toledo D, Mayordomo-Cava J, Jurado P, Díaz A, Serra-Rexach JA. Trends in hip fracture rates in spain from 2001 to 2018. Arch Osteoporos 2024; 19:57. [PMID: 38958797 DOI: 10.1007/s11657-024-01406-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 05/24/2024] [Indexed: 07/04/2024]
Abstract
The present study includes the longest period of analysis with the highest number of hip fracture episodes (756,308) described in the literature for Spain. We found that the age-adjusted rates progressively decreased from 2005 to 2018. We believe that this is significant because it may mean that measures such as prevention and treatment of osteoporosis, or programs promoting healthy lifestyles, have had a positive impact on hip fracture rates. PURPOSE To describe the evolution of cases and rates of hip fracture (HF) in patients 65 years or older in Spain from 2001 to 2018 and examine trends in adjusted rates. METHODS Retrospective, observational study including patients ≥65 years with acute HF. Data from 2001 to 2018 were obtained from the Spanish National Record of the Minimum Basic Data Set of the Ministry of Health. We analysed cases of HF, crude incidence and age-adjusted rates by sex, length of hospital stay (LOS) and in-hospital mortality, and used joinpoint regression analysis to explore temporal trends. RESULTS We identified 756,308 HF cases. Mean age increased 2.5 years, LOS decreased 4.5 days and in-hospital mortality was 5.5-6.5%. Cases of HF increased by 49%. Crude rate per 100,000 was 533.3 (95% confidence interval [CI], 532.1-534.5), increasing 14.0% (95%CI, 13.7-14.2). Age-adjusted HF incidence rate increased by 6.9% from 2001 (535.7; 95%CI, 529.9-541.5) to 2005 (572.4; 95%CI, 566.7-578.2), then decreased by 13.3% until 2017 (496.1, 95%CI, 491.7-500.6). Joinpoint regression analysis indicated a progressive increase in age-adjusted incidence rates of 1.9% per year from 2001 to 2005 and a progressive decrease of -1.1% per year from 2005 to 2018. A similar pattern was identified in both sexes. CONCLUSIONS Crude incidence rates of HF in Spain in persons ≥65 years from 2001 to 2018 have gradually increased. Age-adjusted rates show a significant increase from 2001 to 2005 and a progressive decrease from 2005 to 2018.
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Affiliation(s)
- D Toledo
- Department of Admissions and Clinical Documentation, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - J Mayordomo-Cava
- Geriatric Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Institute for Health Research of the Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Biomedical Research Networking Centre on Frailty and Healthy Ageing, CIBERFES, Madrid, Spain
| | - P Jurado
- Department of Admissions and Clinical Documentation, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - A Díaz
- Preventive Medicine and Healthcare and Quality Improvement Service, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - J A Serra-Rexach
- Geriatric Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Institute for Health Research of the Hospital General Universitario Gregorio Marañón, Madrid, Spain
- Biomedical Research Networking Centre on Frailty and Healthy Ageing, CIBERFES, Madrid, Spain
- Department of Medicine, School of Medicine, Universidad Complutense, Madrid, Spain
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Xu L, Zhao T, Perry L, Frost SA, Di Tanna GL, Wang S, Chen M, Kolt GS, Jan S, Si L. Return on investment of fracture liaison services: a systematic review and analysis. Osteoporos Int 2024; 35:951-969. [PMID: 38300316 DOI: 10.1007/s00198-024-07027-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 01/12/2024] [Indexed: 02/02/2024]
Abstract
Fracture liaison services (FLS) have been proven clinically effective and cost-effective in preventing subsequent fractures among patients with an existing fragility fracture. Little is known about their monetary benefits such as their return on investment (ROI). This systematic review aimed to investigate the ROI of FLS and identify the FLS characteristics with better ROI. Studies on the cost-effectiveness of FLS published between January 2000 and December 2022 were searched from MEDLINE, EMBASE, PubMed, and Cochrane Central. Two independent reviewers conducted study selection and data extraction. ROI was calculated based on the difference between monetary benefits and FLS costs divided by the FLS costs. Subgroup analysis of ROI was performed across FLS types and FLS design details. A total of 23 FLS were included in this review. The majority of them were targeting patients aged over 50 years having fractures without identified sites. The mean ROI of these FLS was 10.49 (with a median ROI of 7.57), and 86.96% of FLS had positive ROI. FLS making treatment recommendations yielded the highest ROI (with a mean ROI of 18.39 and a median of 13.60). Incorporating primary care providers (with a mean ROI of 16.04 and a median of 13.20) or having them as program leaders (with a mean ROI of 12.07 and a median of 12.07) has demonstrated a high ROI. FLS for specific fracture sites had great monetary return. Intensive FLS such as type A and B FLS programs had higher ROI than non-intensive type C and D FLS. This review revealed a 10.49-fold monetary return of FLS. Identified characteristics contributing to greater economic return informed value-for-money FLS designs. Findings highlight the importance of FLS and the feasibility of expanding their contribution in mitigating the economic burden of osteoporotic fracture and are conducive to the promotion of FLS internationally.
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Affiliation(s)
- L Xu
- The George Institute for Global Health, Faculty of Medicine and Health, University of New South Wales, Sydney, New South Wales, Australia
| | - T Zhao
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - L Perry
- Faculty of Health, University of Technology Sydney, Ultimo, New South Wales, Australia
- South Eastern Sydney Local Health District, Randwick, New South Wales, Australia
| | - S A Frost
- University of Wollongong and South Western Sydney Local Health District, Wollongong, New South Wales, Australia
| | - G L Di Tanna
- Department of Business Economics, Health & Social Care, University of Applied Sciences and Arts of Southern Switzerland, Manno, Switzerland
| | - S Wang
- The George Institute for Global Health, Faculty of Medicine and Health, University of New South Wales, Sydney, New South Wales, Australia
| | - M Chen
- School of Health Policy and Management, Nanjing Medical University, No. 101, Longmian Avenue, Nanjing, 211166, China.
| | - G S Kolt
- School of Health Sciences, Western Sydney University, Campbelltown, New South Wales, Australia
| | - S Jan
- The George Institute for Global Health, Faculty of Medicine and Health, University of New South Wales, Sydney, New South Wales, Australia
| | - L Si
- School of Health Sciences, Western Sydney University, Campbelltown, New South Wales, Australia
- Translational Health Research Institute, Western Sydney University, Penrith, New South Wales, Australia
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Mei F, Li JJ, Lin J, Xing D, Dong S. Multidimensional characteristics of musculoskeletal pain and risk of hip fractures among elderly adults: the first longitudinal evidence from CHARLS. BMC Musculoskelet Disord 2024; 25:4. [PMID: 38166800 PMCID: PMC10759596 DOI: 10.1186/s12891-023-07132-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Hip fractures are a major public health concern among middle-aged and older adults. It is important to understand the associated risk factors to inform health policies and develop better prevention strategies. Musculoskeletal pain is a possible implicating factor, being associated with physical inactivity and risk of falls. However, the association between musculoskeletal pain and hip fractures has not been clearly investigated. METHODS A nationally representative sample of the Chinese population was obtained from the China Health and Retirement Longitudinal Study (CHARLS). The study collected patient information on their demographic characteristics, socioeconomic status, other health-related behavior, and history of musculoskeletal pain and hip fractures. Univariate and multivariate analyses were conducted to investigate the factors influencing the risk of hip fracture, including factors related to the individual and to musculoskeletal pain. P for trend test was performed to assess the trend of each continuous variable. The robustness and bias were assessed using the bootstrap method. Restricted cubic spline regression was utilized to identify linear or non-linear relationships. RESULTS Among the 18,813 respondents, a total of 215 individuals reported that they have experienced a hip fracture. An increased risk of hip fracture was associated with the presence of waist pain and leg pain (P < 0.05), as well as with an increased number of musculoskeletal pain sites (P < 0.05). For individuals aged 65 and above, a significant association was found between age and the risk of hip fracture (P < 0.05). Furthermore, respondents with lower education level had a higher risk of hip fracture compared to those with higher education levels (P < 0.05). CONCLUSION In the Chinese population, the risk of hip fracture was found to be associated with both the location and extent of musculoskeletal pain, as well as with other factors such as age and demographic characteristics. The findings of this study may be useful for informing policy development and treatment strategies, and provide evidence for comparison with data from other demographic populations.
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Affiliation(s)
- Fengyao Mei
- Arthritis Clinic and Research Center, Peking University People's Hospital, Beijing, 100044, P.R. China
- Thoracic surgery Department, Beijing Hospital, Beijing, 100044, China
| | - Jiao Jiao Li
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Jianhao Lin
- Arthritis Clinic and Research Center, Peking University People's Hospital, Beijing, 100044, P.R. China.
| | - Dan Xing
- Arthritis Clinic and Research Center, Peking University People's Hospital, Beijing, 100044, P.R. China.
| | - Shengjie Dong
- Department of the Joint and Bone Surgery, Yantaishan Hospital, Yantai, China.
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Bai H, Liu L, Duan N, Xue H, Sun L, Li M, Li Z, Zhang K, Wang Q, Huang Q. Biomechanical evaluation of three implants for treating unstable femoral intertrochanteric fractures: finite element analysis in axial, bending and torsion loads. Front Bioeng Biotechnol 2023; 11:1279067. [PMID: 38026862 PMCID: PMC10661970 DOI: 10.3389/fbioe.2023.1279067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose: How to effectively enhance the mechanical stability of intramedullary implants for unstable femoral intertrochanteric fractures (UFIFs) is challenging. The authors developed a new implant for managing such patients. Our aim was to enhance the whole mechanical stability of internal devices through increasing antirotation and medial support. We expected to reduce stress concentration in implants. Each implant was compared to proximal femoral nail antirotation (PFNA) via finite element method. Methods: Adult AO/OTA 31-A2.3 fracture models were constructed, and then the new intramedullary system (NIS), PFNA, InterTan nail models were assembled. We simulated three different kinds of load cases, including axial, bending, and torsion loads. For further comparison of PFNA and the NIS, finite element analysis (FEA) was repeated for five times under axial loads of 2100 N. Two types of displacement and stress distribution were assessed. Results: Findings showed that the NIS had the best mechanical stability under axial, bending, and torsion load conditions compared to PFNA and InterTan. It could be seen that the NIS displayed the best properties with respect to maximal displacement while PFNA showed the worst properties for the same parameter in axial loads of 2100 N. In terms of maximal stress, also the NIS exhibited the best properties while PFNA showed the worst properties in axial loads of 2100 N. For bending and torsion load cases, it displayed a similar trend with that of axial loads. Moreover, under axial loads of 2100 N, the difference between the PFNA group and the NIS group was statistically significant (p < 0.05). Conclusion: The new intramedullary system exhibited more uniform stress distribution and better biomechanical properties compared to the PFNA and InterTan. This might provide a new and efficacious device for managing unstable femoral intertrochanteric fractures.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Qian Wang
- Department of Orthopedics, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
| | - Qiang Huang
- Department of Orthopedics, Hong Hui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi, China
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Cai Y, Zhang Y, Zhang D. A commentary on 'The impact of regional versus general anesthesia on postoperative neurocognitive outcomes in elderly patients undergoing hip fracture surgery: a systematic review and meta-analysis'. Int J Surg 2023; 109:3205-3206. [PMID: 37462993 PMCID: PMC10583933 DOI: 10.1097/js9.0000000000000584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 06/25/2023] [Indexed: 10/19/2023]
Affiliation(s)
| | | | - Dawei Zhang
- Department of Orthopaedics, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, People’s Republic of China
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Ebeling PR. Hip Fractures and Aging: A Global Problem Requiring Coordinated Global Solutions. J Bone Miner Res 2023; 38:1062-1063. [PMID: 37475191 DOI: 10.1002/jbmr.4881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/22/2023]
Affiliation(s)
- Peter R Ebeling
- Department of Medicine, School of Clinical Sciences, Monash University, Clayton, VIC, Australia
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Yang S, Feng L, Lix LM, Leslie WD, Guo D, Shi X, Yuan B. Global biomarkers of oxidative stress and fractures: a matched case-control study. Front Endocrinol (Lausanne) 2023; 14:1179521. [PMID: 37448464 PMCID: PMC10338181 DOI: 10.3389/fendo.2023.1179521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 05/23/2023] [Indexed: 07/15/2023] Open
Abstract
Background Evidence for a relationship between oxidative stress and osteoporotic fractures in humans is limited. Fluorescent oxidation products (FlOPs, excitation/emission wavelengths 320/420nm denoted FlOP_320; 360/420nm [FlOP_360]; and 400/475nm [FlOP_400]) are global biomarkers of oxidative stress, and reflect oxidative damage to proteins, phospholipids, and nucleic acids. We investigated the association between FlOPs and a recent osteoporotic fracture. Methods We conducted a case-control study in a Chinese population aged 50 years or older. A recent osteoporotic fracture in the cases was confirmed by x-ray. Cases were matched with community-based non-fracture controls (1:2 ratio) for age (± 4 years) and sex. In addition, we conducted a sensitivity unmatched case-control study which included all fracture cases and all eligible non-fracture controls prior to matching. Plasma FlOPs were measured with a fluorescent microplate reader. We used unconditional logistic regression to analyze the association between FlOPs (per 1-SD increase in logarithmic scale) and fracture; odds ratios (OR) and 95% confidence intervals (95% CI) were reported. Results Forty-four cases and 88 matched controls (mean age: 68.2 years) were included. After covariate adjustment (i.e., body mass index, physical activity, and smoking), higher FlOP_360 (OR = 1.85; 95% CI = 1.03 - 3.34) and FlOP_400 (OR = 13.29; 95% CI = 3.48 - 50.69) levels, but not FlOP_320 (OR = 0.56; 95% CI = 0.27 - 1.15), were associated with increased fracture risk. Subgroup analyses by fracture site and unmatched case-control study found comparable associations of FlOP_360 and FlOP_400 with hip and non-hip fractures. Conclusions Higher FlOP_360 and FlOP_400 levels were associated with increased risk of fracture, and this association was comparable for hip and non-hip fractures. Prospective studies are warranted to confirm this finding.
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Affiliation(s)
- Shuman Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Lijie Feng
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Lisa M. Lix
- Department of Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - William D. Leslie
- Department of Internal Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Dingjie Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Xianbao Shi
- Department of Pharmacy, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Baoming Yuan
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China
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Nhu NT, Kang JH, Yeh TS, Wu CC, Tsai CY, Piravej K, Lam C. Prediction of posttraumatic functional recovery in middle-aged and older patients through dynamic ensemble selection modeling. Front Public Health 2023; 11:1164820. [PMID: 37408743 PMCID: PMC10319009 DOI: 10.3389/fpubh.2023.1164820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/17/2023] [Indexed: 07/07/2023] Open
Abstract
Introduction Age-specific risk factors may delay posttraumatic functional recovery; complex interactions exist between these factors. In this study, we investigated the prediction ability of machine learning models for posttraumatic (6 months) functional recovery in middle-aged and older patients on the basis of their preexisting health conditions. Methods Data obtained from injured patients aged ≥45 years were divided into training-validation (n = 368) and test (n = 159) data sets. The input features were the sociodemographic characteristics and baseline health conditions of the patients. The output feature was functional status 6 months after injury; this was assessed using the Barthel Index (BI). On the basis of their BI scores, the patients were categorized into functionally independent (BI >60) and functionally dependent (BI ≤60) groups. The permutation feature importance method was used for feature selection. Six algorithms were validated through cross-validation with hyperparameter optimization. The algorithms exhibiting satisfactory performance were subjected to bagging to construct stacking, voting, and dynamic ensemble selection models. The best model was evaluated on the test data set. Partial dependence (PD) and individual conditional expectation (ICE) plots were created. Results In total, nineteen of twenty-seven features were selected. Logistic regression, linear discrimination analysis, and Gaussian Naive Bayes algorithms exhibited satisfactory performances and were, therefore, used to construct ensemble models. The k-Nearest Oracle Elimination model outperformed the other models when evaluated on the training-validation data set (sensitivity: 0.732, 95% CI: 0.702-0.761; specificity: 0.813, 95% CI: 0.805-0.822); it exhibited compatible performance on the test data set (sensitivity: 0.779, 95% CI: 0.559-0.950; specificity: 0.859, 95% CI: 0.799-0.912). The PD and ICE plots showed consistent patterns with practical tendencies. Conclusion Preexisting health conditions can predict long-term functional outcomes in injured middle-aged and older patients, thus predicting prognosis and facilitating clinical decision-making.
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Affiliation(s)
- Nguyen Thanh Nhu
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Faculty of Medicine, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
| | - Jiunn-Horng Kang
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Physical Medicine and Rehabilitation, Taipei Medical University Hospital, Taipei, Taiwan
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
- Professional Master Program in Artificial Intelligence in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tian-Shin Yeh
- Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Physical Medicine and Rehabilitation, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Department of Epidemiology and Nutrition, Harvard T. H. Chan School of Public Health, Harvard University, Boston, MA, United States
- Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Chia-Chieh Wu
- Emergency Department, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Department of Emergency, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Cheng-Yu Tsai
- Centre for Transport Studies, Department of Civil and Environmental Engineering, Imperial College London, London, United Kingdom
| | - Krisna Piravej
- Department of Rehabilitation Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Department of Chula Neuroscience Center, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Carlos Lam
- Emergency Department, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Department of Emergency, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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Chu Q, Wang L, Chu Q. The use of angiotensin-converting enzyme inhibitors or angiotensin II receptor blockers may relate to the survival and walking ability in geriatric patients with hip fractures: a 1-year follow-up study. BMC Musculoskelet Disord 2023; 24:236. [PMID: 36978079 PMCID: PMC10045946 DOI: 10.1186/s12891-023-06362-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND Many elder patients with hip fractures also suffered from hypertension. This study aims to explore the relationship between the use of ACEI or ARB and the outcomes of geriatric hip fractures. METHODS All the patients were divided into four groups: non-users without hypertension, non-users with hypertension, ACEI users, and ARB users. The outcomes of patients in different groups were compared. LASSO regression and univariable Cox analysis were used for variable screening. Then Cox models and Logistics models were established to identify the relationships between the use of RAAS inhibitors and outcomes. RESULTS ACER users (p = 0.016) and ARB users (p = 0.027) had a significantly lower survival probability than the non-users with hypertension. Non-users without hypertension, ACEI users, and ARB users may face lower 6-month and 1-year mortalities and higher 6-month and 1-year free walking rates compared with non-users with hypertension. CONCLUSION Patients with the use of ACEI or ARB may face a better prognosis of hip fractures.
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Affiliation(s)
- Qining Chu
- Emergency Trauma Center, Nanyang Second People's Hospital, No 66, East Jianshe Road, Nanyang473000, Nanyang, 473000, Henan, China
| | - Liqiang Wang
- Emergency Trauma Center, Nanyang Second People's Hospital, No 66, East Jianshe Road, Nanyang473000, Nanyang, 473000, Henan, China
| | - Qingbo Chu
- Emergency Trauma Center, Nanyang Second People's Hospital, No 66, East Jianshe Road, Nanyang473000, Nanyang, 473000, Henan, China.
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Nie S, Li J, Li M, Hao M, Wang K, Xiong Y, Gan X, Zhang L, Tang P. Finite-Element Analysis of a Novel Cephalomedullary Nail for Restricted Sliding to Reduce Risk of Implant Failure in Unstable Intertrochanteric Fractures. Orthop Surg 2022; 14:3009-3018. [PMID: 36120825 PMCID: PMC9627085 DOI: 10.1111/os.13497] [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] [Received: 05/16/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
Objective How to restrict sliding of cephalomedullary nail and rigid reconstruct medial support for unstable intertrochanteric fractures remains a challenge. This study aims to explore the feasibility of a novel cephalomedullary nail for restriction sliding and reconstruction of medial femoral support to prevent failure in unstable trochanteric fractures through finite element analysis. Methods The DICOM files of a unilateral femur spiral computed tomography (CT) scans from a elderly female were converted into STL files, and the most common clinical trochanteric fracture model with the absence of medial support, AO/OTA 31‐A2.3 was simulated by removing the posterior medial femur. The model of a novel medial sustain nail (MSN‐II) and a widely used nail (proximal femoral nail anti‐rotation PFNA‐II) were modeled according to the manufacturer‐provided engineering drawing. Different loads were applied to the femoral head to simulate the postoperative weight bearing gait. The sliding distance of helical blade in femoral neck, maximum stress of femur and nail, displacement of proximal fragment were analyzed to revealing the mechanical stability of unstable trochanteric fracture stabilized by different implant. Results The sliding distance of helical blade in the femoral neck, the maximum stress on the femur and nail, the displacement of proximal fragment in MSN‐II under 2100N axial load were 0.65 mm, 689 MPa, 1271 MPa, 16.84 mm respectively, while that were 1.43 mm, 720.8 MPa, 1444 MPa, 18.18 mm, respectively in PFNA‐II. The difference between the two groups was statistically significant (P < 0.05) and the stress was mainly distributed in medial distal side of nail but helical blade and the proximal aperture for the nail in MSN‐II. Compared to PFNA‐II, MSN‐II demonstrates biomechanical merit against femur medialization, cut‐out and coax varus. Conclusion The sliding distance of helical blade in femoral neck, the maximum stress on the femur and nail, and the displacement of proximal fragment of MSN‐II were less than those of PFNA‐II in the treatment of unstable intertrochanteric fractures. Therefore MSN‐II has better stability than PFNA‐II and it may have the potential to avoid femur medialization and cut out. It might be an option in unstable trochanteric fracture because of its superiority in restricted sliding and medial support reconstruction.
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Affiliation(s)
- Shaobo Nie
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Jiantao Li
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Ming Li
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Ming Hao
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Kun Wang
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Ying Xiong
- Department of orthopedics, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Xuewen Gan
- Department of orthopedics, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, China
| | - Licheng Zhang
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Peifu Tang
- Department of Orthopedics, PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
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