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Dubin JA, Bains SS, Monarrez R, Salib C, Hameed D, Nace J, Mont M, Golladay G, Delanois RE. The effect of fixation type on periprosthetic fractures in high-risk patients who have osteoporosis undergoing total joint arthroplasty. J Orthop 2024; 56:26-31. [PMID: 38784945 PMCID: PMC11109352 DOI: 10.1016/j.jor.2024.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Introduction Minimizing the burden of periprosthetic fractures (PFF) following total joint arthroplasty (TJA) with regard to morbidity and mortality remains an outcome of interest. Patient and surgical risk factors, including osteoporosis and fixation type, have not truly been optimized in patients undergoing TJA as a means to reduce the risk of PFF. As such, we examined: (1) What percentage of patients who underwent THA and total knee arthroplasty (TKA) met the criteria for osteoporosis screening? (2) How did the 5-year rate of PFF and fragility fracture differ in the high-risk and low-risk groups for osteoporosis between the cemented and cementless cohorts? (3) What percentage of the aforementioned patients received a dual x-ray absorptiometry (DEXA) scan before THA or TKA? Methods We queried an all-payer, national database from April 1, 2016 to December 31, 2021, to identify high-risk and low-risk patients who underwent TJA with a cementless or cemented fixation. High-risk patients met at least one of the following criteria: men at least 70 years old, women at least 65 years old, or patients at least 60 years old who have the following: tobacco use, alcohol abuse, body mass index <18.5, prior fragility fracture, chronic systemic corticosteroids, or genetic condition affecting sex hormones or bone mineral density. Exclusion criteria were a diagnosis of malignancy, high-energy events (motor vehicle collision), those who underwent TJA indicated for fracture, patients less than 50 years old, those who had a prior diagnosis of or treatment for osteoporosis, and a minimum follow-up of less than 2 years. Results There were 384,783 patients (67.1 %) who underwent cementless TKA and 67,774 patients (11.8 %) who underwent cementless TKA who were considered high risk. Additionally, there were 62,505 patients (10.9 %) who underwent cemented THA and 58,667 patients (10.2 %) who underwent cementless THA and were considered high risk. The cementless cohort had a 5-year periprosthetic fracture risk following TKA of 7.8 % (95 % CI, 5.56 to 10.98) in comparison to 4.30 % in the cemented cohort (85 % CI, 3.98 to 4.65), P < 0.0001. The high-risk cementless cohort had a 5-year periprosthetic fracture risk following THA of 7.9 % (95 % confidence interval (CI), 6.87 to 9.19) in comparison to 7.78 % in the cemented cohort (85 % CI, 6.77 to 8.94), P < 0.0001. Conclusion There is an increased risk of PFF at 5 years following TKA in patients at high risk for osteoporosis undergoing cementless fixation in comparison to cemented fixation. There is an increased risk of PFF at 5 years following THA in patients at high risk for osteoporosis for both cementless fixation and cemented fixation, but no clinically meaningful difference between the two groups. Addressing the shortcomings of the underutilization of bone density scans and better selecting appropriate patients for TJA based on bone quality and fracture risk can help expedite the process of improving the current state of practice.
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Affiliation(s)
- Jeremy A. Dubin
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - Sandeep S. Bains
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - Ruben Monarrez
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - Christopher Salib
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - Daniel Hameed
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - James Nace
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - Michael Mont
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
| | - Gregory Golladay
- Department of Orthopaedic Surgery, Virginia Commonwealth University, Richmond, VA, USA
| | - Ronald E. Delanois
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, MD, USA
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Sheth NP, Smith JR, Winzenrieth R, Humbert L, Wang Y, Boxberger JI, Bostrom MP. Effects of Abaloparatide on Bone Mineral Density in Proximal Femoral Regions Corresponding to Arthroplasty Gruen Zones: A Study of Postmenopausal Women with Osteoporosis. J Bone Joint Surg Am 2024; 106:1162-1170. [PMID: 38691582 DOI: 10.2106/jbjs.23.01334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
BACKGROUND Low hip bone mineral density (BMD) in patients who undergo total hip arthroplasty (THA) increases the risk of periprosthetic fractures, implant instability, and other complications. Recently, emphasis has been placed on bone health optimization: treating low BMD prior to a planned orthopaedic implant procedure in an effort to normalize BMD and reduce the potential risk of future complications. Abaloparatide is a U.S. Food and Drug Administration-approved osteoanabolic agent for men and postmenopausal women with osteoporosis and a candidate drug for bone health optimization that, in addition to benefits at the spine, increases hip BMD and reduces nonvertebral fracture risk. We hypothesized that abaloparatide would improve BMD in proximal femoral regions surrounding a virtual THA stem. METHODS This post hoc analysis obtained dual x-ray absorptiometry (DXA) hip scans from 500 randomly selected postmenopausal women with osteoporosis from the Phase-3 Abaloparatide Comparator Trial in Vertebral Endpoints (ACTIVE, NCT01343004) study after 0, 6, and 18 months of abaloparatide (250 patients) or placebo (250 patients). Hip DXA scans underwent 3-dimensional (3D) modeling via 3D-Shaper, followed by virtual resection of the proximal femur and simulated placement of a tapered, flat-wedge hip stem that guided delineation of the Gruen zones that were fully (zones 1 and 7) or largely (zones 2 and 6) captured in the scanning region. Integral, cortical, and trabecular volumetric BMD, cortical thickness, and cortical surface BMD (the product of cortical volumetric BMD and cortical thickness) were determined for each zone. RESULTS Compared with placebo, the abaloparatide group showed greater increases in integral volumetric BMD in all zones at months 6 and 18; cortical surface BMD in zones 1, 6, and 7 at month 6; cortical thickness, cortical volumetric BMD, and cortical surface BMD in all zones at month 18; and trabecular volumetric BMD in zones 1 and 7 at months 6 and 18. CONCLUSIONS Abaloparatide increases BMD in proximal femoral regions that interact with and support femoral stems, suggesting that abaloparatide may have value for preoperative or potentially perioperative bone health optimization in patients with osteoporosis undergoing THA. LEVEL OF EVIDENCE Therapeutic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Neil P Sheth
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | | | | | - Yamei Wang
- Radius Health, Inc., Boston, Massachusetts
| | | | - Mathias P Bostrom
- Adult Reconstruction & Joint Replacement, Hospital for Special Surgery, New York, NY
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3
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Li B, Yang Z, Li Y, Zhang J, Li C, Lv N. Exploration beyond osteoarthritis: the association and mechanism of its related comorbidities. Front Endocrinol (Lausanne) 2024; 15:1352671. [PMID: 38779455 PMCID: PMC11110169 DOI: 10.3389/fendo.2024.1352671] [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: 12/08/2023] [Accepted: 03/12/2024] [Indexed: 05/25/2024] Open
Abstract
Osteoarthritis is the most prevalent age-related degenerative joint disease and a leading cause of pain and disability in aged people. Its etiology is multifaceted, involving factors such as biomechanics, pro-inflammatory mediators, genetics, and metabolism. Beyond its evident impact on joint functionality and the erosion of patients' quality of life, OA exhibits symbiotic relationships with various systemic diseases, giving rise to various complications. This review reveals OA's extensive impact, encompassing osteoporosis, sarcopenia, cardiovascular diseases, diabetes mellitus, neurological disorders, mental health, and even cancer. Shared inflammatory processes, genetic factors, and lifestyle elements link OA to these systemic conditions. Consequently, recognizing these connections and addressing them offers opportunities to enhance patient care and reduce the burden of associated diseases, emphasizing the need for a holistic approach to managing OA and its complications.
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Affiliation(s)
| | | | | | | | | | - Naishan Lv
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine (Shandong Hospital of integrated traditional Chinese and Western medicine), Jinan, China
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4
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Hoy SR, Vucetich JA, Vucetich LM, Hindelang M, Huebner JL, Kraus VB, Peterson RO. Links between three chronic and age-related diseases, osteoarthritis, periodontitis, and osteoporosis, in a wild mammal (moose) population. Osteoarthritis Cartilage 2024; 32:281-286. [PMID: 38043856 DOI: 10.1016/j.joca.2023.11.016] [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: 06/23/2023] [Revised: 10/18/2023] [Accepted: 11/20/2023] [Indexed: 12/05/2023]
Abstract
OBJECTIVE Osteoarthritis, periodontitis and osteoporosis are chronic, age-related diseases which adversely impact millions of people worldwide. Because these diseases pose a major global public health challenge, there is an urgent need to better understand how these diseases are interrelated. Our objective was to document the age and sex-specific prevalence of each disease and assess interrelationships among the three diseases in a wild mammal (moose, Alces alces) population. METHODS We examined the bones of moose dying from natural causes and recorded the severity of osteoarthritis (typically observed on the hip and lowest vertebrae), osteoporosis (osteoporotic lesions observed on the skull) and periodontitis (observed on maxilla and mandibles). RESULTS Periodontitis was associated with a greater prevalence of both severe osteoarthritis and osteoporotic lesions in moose. We found no evidence to suggest that moose with osteoporotic lesions were more or less likely to exhibit signs of osteoarthritis or severe osteoarthritis. The prevalence of osteoarthritis, periodontitis and osteoporotic lesions was greater among males than for females. CONCLUSIONS Our results were consistent with the hypothesis that bacterial pathogens causing periodontitis are a risk factor for osteoarthritis and osteoporosis. They are also consistent with the hypothesis that the inverse association between osteoarthritis and osteoporosis sometimes observed in humans may be influenced by shared risk factors, such as obesity, smoking or alcohol consumption, which are absent in moose. Together these results provide insights about three diseases which are expected to become more prevalent in the future and that cause substantial socio-economic burdens.
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Affiliation(s)
- Sarah R Hoy
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - John A Vucetich
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - Leah M Vucetich
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - Mary Hindelang
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - Janet L Huebner
- Duke Molecular Physiology Department, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Virginia B Kraus
- Duke Molecular Physiology Department, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Rolf O Peterson
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
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5
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Zhang YF, Zhang LF, Zhang HY, Jiang W, Li GY, Zhang TP. Short-term exposure to gaseous pollutants is neglected factors for knee osteoarthritis: evidence from a humid subtropical region of China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:2920-2929. [PMID: 38079043 DOI: 10.1007/s11356-023-31374-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 12/01/2023] [Indexed: 01/18/2024]
Abstract
Few studies were performed on the impact of exposure to gaseous pollutants on the risk of knee osteoarthritis (KOA). We conducted this study to analyze the association between short-term exposure to gaseous pollutants and the risk of hospitalizations for KOA. A total of 2952 KOA hospitalizations derived from two hospitals in Hefei, and the relationship between gaseous pollutants and KOA hospitalizations was analyzed by a distributed lag non-linear model combined with a generalized linear model. We found that the decreased risk of hospitalizations for KOA were both related to exposure to NO2 (RR = 0.993, lag19 day) and O3 (RR = 0.984, lag0 day), while exposure to CO could increase the risk of hospitalizations for KOA (RR = 1.076, lag2 day). Stratified analyses suggested that the KOA patients < 65 years were more susceptible to O3 exposure, and the female, male, patients ≥ 65 years, and patients < 65 years were both more sensitive to CO exposure. Our findings demonstrated that exposure to NO2, O3 resulted in a decreased risk for KOA hospitalizations, and CO exposure might increase the risk of KOA hospitalizations.
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Affiliation(s)
- Yi-Fei Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Li-Feng Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Han-Yuan Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Wei Jiang
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Guang-Yu Li
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Tian-Ping Zhang
- Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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6
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Watanabe N, Ogawa T, Takada R, Amano Y, Jinno T, Koga H, Yoshii T, Okawa A, Miyatake K. Association of osteoporosis and high serum homocysteine levels with intraoperative periprosthetic fracture during total hip arthroplasty: a propensity-score matching analysis. Arch Orthop Trauma Surg 2023; 143:7219-7227. [PMID: 37468711 DOI: 10.1007/s00402-023-04989-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/10/2023] [Indexed: 07/21/2023]
Abstract
INTRODUCTION Intraoperative periprosthetic fracture, one of the most frequent complications of total hip arthroplasty, is a very important factor that affects rehabilitation, hospitalization time, and cost of treatment. Osteoporosis is common in total hip arthroplasty patients and likely contributes to the increasing incidence of periprosthetic fracture. Despite this awareness, preoperative and postoperative osteoporosis evaluations remain insufficient. The purpose of this study was to evaluate the relationships between the occurrence of intraoperative periprosthetic fractures and both bone mineral density (BMD) and osteoporosis-related biomarkers. MATERIALS AND METHODS This single-center retrospective study included a total of consecutive 487 hip joints of patients with a mean age of 65.5 ± 11.8 years who underwent total hip arthroplasty between July 2017 and December 2020. Patients with low BMD defined as T-score < -1.0 versus those with normal BMD were matched by a 1:1 propensity score to balance for patient baseline characteristics, and outcome was analyzed by a modified Poisson regression model. Our primary outcome was the incidence of intraoperative periprosthetic fracture during surgery. We also investigated the effect modification of osteoporosis-related biomarkers, including tartrate-resistant acid phosphatase 5b (TRACP-5b), total procollagen type 1 amino-terminal propeptide (total P1-NP), intact parathyroid hormone (intact PTH), and homocysteine, on osteoporosis and outcomes. RESULTS After matching, 250 patients were analyzed. The risk of fracture was significantly higher in patients with low BMD than in normal BMD patients (Incidence rate ratio 5.00 [95% CI 1.11-22.43], p = 0.036). We also observed significant effect of high serum homocysteine on the occurrence of intraoperative fractures (Incidence rate ratio 8.38 × 106 [95% C; 3.44 × 106-2.01 × 107], p < 0.01). CONCLUSION Preoperative osteoporosis and high serum homocysteine levels were risk factors for intraoperative periprosthetic fractures. LEVEL OF EVIDENCE III, A single-center retrospective study.
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Affiliation(s)
- Naoto Watanabe
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
| | - Takahisa Ogawa
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Ryohei Takada
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | | | - Tetsuya Jinno
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
- Department of Orthopaedic Surgery, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Toshitaka Yoshii
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Atsushi Okawa
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Kazumasa Miyatake
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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7
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Jeray KJ, Williams SA, Wang Y, Pearman L, Pyrih N, Singla K, Han BH, Bukata SV. Bone Health Management in Elective Orthopaedic Surgery: A Claims-Based Observational Study. Geriatr Orthop Surg Rehabil 2023; 14:21514593231216553. [PMID: 38832288 PMCID: PMC11146042 DOI: 10.1177/21514593231216553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/26/2023] [Accepted: 11/08/2023] [Indexed: 06/05/2024] Open
Abstract
Introduction There are limited data on the management of bone health, including bone mineral density (BMD) evaluation and osteoporosis (OP) treatment, in patients undergoing elective orthopaedic surgeries. Methods This was a retrospective cohort study using administrative claims data from Symphony Health, PatientSource for patients aged ≥50 years with documented kyphoplasty/vertebroplasty (KP/VP), total knee arthroplasty (TKA), and total hip arthroplasty (THA). Risk stratification to identify patients at very high risk for fracture (VHRFx) was based on clinical practice guideline recommendations to the extent information on variables of interest were available from the claims database. Results A total of 251 919 patients met inclusion criteria: KP/VP (31 018), TKA (149 849), and THA (71 052). The majority were female (80.3%) with a mean (SD) age of 68.5 (7.5) years. Patients undergoing KP/VP were older and had a greater comorbidity burden associated with risk for falls, mobility issues, muscle weakness, and respiratory and cardiovascular diseases. In the 6 months before surgery, 11.8% of patients were tested and/or received treatment for OP. Patients undergoing KP/VP were more likely to be tested and/or treated (17.5%) than patients undergoing TKA (11.0%) or THA (10.9%). Overall, men had a lower rate of testing and/or treatment than women (4.6% vs 13.5%). In the 12 months before surgery, patients with an OP diagnosis and at VHRFx (30.8%) had a higher rate of treatment and/or testing than those without OP (11.5%), or those without OP but with a fracture in the year preceding surgery (10.2%). Conclusions Bone health management is suboptimal in patients undergoing elective orthopaedic surgeries and is worse in men than in women. Proper management of OP before and after surgery may improve outcomes.
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Affiliation(s)
- Kyle J. Jeray
- Orthopedic Surgery, PRISMA Health, Greenville, SC, USA
| | | | - Yamei Wang
- Biostatistics, Radius Health, Inc, Boston, MA, USA
| | - Leny Pearman
- Medical Affairs, Radius Health, Inc, Boston, MA, USA
| | - Nick Pyrih
- Data Analysis, Cobbs Creek Healthcare, LLC, Newtown Square, PA, USA
| | - Karun Singla
- Division of Geriatrics, Gerontology, and Palliative Care in the Department of Medicine, University of California, San Diego, San Diego, CA, USA
| | - Benjamin H. Han
- Division of Geriatrics, Gerontology, and Palliative Care in the Department of Medicine, University of California, San Diego, San Diego, CA, USA
| | - Susan V. Bukata
- Department of Orthopaedic Surgery, University of California, San Diego, San Diego, CA, USA
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Sapundzhiev L, Sapundzhieva T, Mitev M, Simitchiev K, Batalov A. Correlation between Bone Mineral Density and Progression of Hip Osteoarthritis in Adult Men and Women in Bulgaria-Results from a 7-Year Study. Life (Basel) 2023; 13:life13020421. [PMID: 36836778 PMCID: PMC9961715 DOI: 10.3390/life13020421] [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: 12/22/2022] [Revised: 01/22/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Changes in clinical presentation, radiographic progression (RP), bone mineral density (BMD), bone turnover (BT), and cartilage turnover (CT) markers were compared in two groups of patients with hip osteoarthritis (HOA) over a period of 7 years. Each group consisted of 150 patients, including a control group on standard-of-care therapy (SC) with simple analgesics and physical exercises, and a study group (SG) on standard-of-care therapy supplemented by vitamin D3 and intravenous administration of zoledronic acid (5 mg) yearly for 3 consecutive years. Patient groups were homogenized regarding the following: (1) radiographic grade (RG), including 75 patients with hip OA RG II according to the Kellgren-Lawrence grading system (K/L), and 75 with RG III on K/L; (2) radiographic model (RM), as each of the K/L grades was subdivided into three subgroups consisting of 25 patients of different RMs: atrophic ('A'), intermediate ('I'), and hypertrophic ('H'); (3) gender-equal ratio of men and women in each subgroup (Female/Male = 15/10). The following parameters were assessed: (1) clinical parameters (CP), pain at walking (WP-VAS 100 mm), functional ability (WOMAC-C), and time to total hip replacement (tTHR); (2) radiographic indicators(RI)-joint space width (JSW) and speed of joint space narrowing (JSN), changes in BMD (DXA), including proximal femur (PF-BMD), lumbar spine (LS-BMD), and total body (TB-BMD); (3) laboratory parameters (LP)-vitamin D3 levels and levels of BT/CT markers. RV were assessed every 12 months, whereas CV/LV were assessed every 6 months. Results: Cross-sectional analysis (CsA) at baseline showed statistically significant differences (SSD) at p < 0.05 in CP (WP, WOMAC-C); BMD of all sites and levels of CT/BT markers between the 'A' and 'H' RM groups in all patients. Longitudinal analysis (LtA) showed SSD (p < 0.05) between CG and SG in all CP (WP, WOMAC-C, tTHR) parameters of RP (mJSW, JSN), BMD of all sites, and levels of CT/BT markers for all 'A' models and in 30% of 'I'-RMs (those with elevated markers for BT/CT at baseline and during the observation period). Conclusion: The presence of SSD at baseline ('A' vs. 'H') supported the thesis that at least two different subgroups of HOA exist: one associated with 'A' and the other with 'H' models. D3 supplementation and the intravenous administration of bisphosphonate were the treatment strategies that slowed down RP and postponed tTHR by over 12 months in the 'A' and 'I' RM with elevated BT/CT markers.
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Affiliation(s)
- Lyubomir Sapundzhiev
- Department of Propedeutics of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4001 Plovdiv, Bulgaria
- Rheumatology Department, University Hospital ‘Pulmed’ Plovdiv, 4002 Plovdiv, Bulgaria
- Correspondence:
| | - Tanya Sapundzhieva
- Department of Propedeutics of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4001 Plovdiv, Bulgaria
- Rheumatology Department, University Hospital ‘Pulmed’ Plovdiv, 4002 Plovdiv, Bulgaria
| | - Martin Mitev
- Rheumatology Department, University Hospital ‘Pulmed’ Plovdiv, 4002 Plovdiv, Bulgaria
| | - Kiril Simitchiev
- Department of Analytical Chemistry and Computer Chemistry, Faculty of Chemistry, University of Plovdiv, 4001 Plovdiv, Bulgaria
| | - Anastas Batalov
- Department of Propedeutics of Internal Diseases, Medical Faculty, Medical University of Plovdiv, 4001 Plovdiv, Bulgaria
- Rheumatology Clinic, University Hospital ‘Kaspela’, 4001 Plovdiv, Bulgaria
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9
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Watanabe N, Miyatake K, Takada R, Ogawa T, Amano Y, Jinno T, Koga H, Yoshii T, Okawa A. The prevalence and treatment of osteoporosis in patients undergoing total hip arthroplasty and the levels of biochemical markers of bone turnover. Bone Joint Res 2022; 11:873-880. [PMID: 36464500 PMCID: PMC9792872 DOI: 10.1302/2046-3758.1112.bjr-2022-0252.r1] [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: 12/07/2022] Open
Abstract
AIMS Osteoporosis is common in total hip arthroplasty (THA) patients. It plays a substantial factor in the surgery's outcome, and previous studies have revealed that pharmacological treatment for osteoporosis influences implant survival rate. The purpose of this study was to examine the prevalence of and treatment rates for osteoporosis prior to THA, and to explore differences in osteoporosis-related biomarkers between patients treated and untreated for osteoporosis. METHODS This single-centre retrospective study included 398 hip joints of patients who underwent THA. Using medical records, we examined preoperative bone mineral density measures of the hip and lumbar spine using dual energy X-ray absorptiometry (DXA) scans and the medications used to treat osteoporosis at the time of admission. We also assessed the following osteoporosis-related biomarkers: tartrate-resistant acid phosphatase 5b (TRACP-5b); total procollagen type 1 amino-terminal propeptide (total P1NP); intact parathyroid hormone; and homocysteine. RESULTS The prevalence of DXA-proven hip osteoporosis (T-score ≤ -2.5) among THA patients was 8.8% (35 of 398). The spinal osteoporosis prevalence rate was 4.5% (18 of 398), and 244 patients (61.3%; 244 of 398) had osteopenia (-2.5 < T-score ≤ -1) or osteoporosis of either the hip or spine. The rate of pharmacological osteoporosis treatment was 22.1% (88 of 398). TRACP-5b was significantly lower in the osteoporosis-treated group than in the untreated group (p < 0.001). CONCLUSION Osteoporosis is common in patients undergoing THA, but the diagnosis and treatment for osteoporosis were insufficient. The lower TRACP-5b levels in the osteoporosis-treated group - that is, osteoclast suppression - may contribute to the reduction of the postoperative revision rate after THA.Cite this article: Bone Joint Res 2022;11(12):873-880.
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Affiliation(s)
- Naoto Watanabe
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan, Naoto Watanabe. E-mail:
| | - Kazumasa Miyatake
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ryohei Takada
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takahisa Ogawa
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yusuke Amano
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tetsuya Jinno
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan,Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Toshitaka Yoshii
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Atsushi Okawa
- Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
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Delsmann MM, Schmidt C, Mühlenfeld M, Jandl NM, Boese CK, Beil FT, Rolvien T, Ries C. Prevalence of osteoporosis and osteopenia in elderly patients scheduled for total knee arthroplasty. Arch Orthop Trauma Surg 2022; 142:3957-3964. [PMID: 34919186 PMCID: PMC9596583 DOI: 10.1007/s00402-021-04297-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/30/2021] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Osteoporosis is a common comorbidity in elderly patients with osteoarthritis (OA) and may increase perioperative complications in orthopedic surgery (e.g., component migration, periprosthetic fractures). As there is no investigation of bone mineral density (BMD) in elderly patients prior to total knee arthroplasty (TKA) in Europe, we investigated this issue with a particular focus on a potential treatment gap. MATERIALS AND METHODS We assessed the BMD by dual-energy X-ray absorptiometry (DXA) in 109 consecutive elderly patients (age ≥ 70 years) scheduled for TKA. In addition to a detailed assessment of osteoporosis and osteopenia, the influence of clinical risk factors and radiological OA severity on BMD was evaluated using group comparisons and linear regression models. In addition, we analyzed differences in BMD between patients scheduled for TKA vs. total hip arthroplasty (THA). RESULTS Of the included 109 patients, 19 patients (17.4%) were diagnosed with osteoporosis and 50 (45.9%) with osteopenia. In the osteoporotic patients, a clinically relevant underdiagnosis concomitant with a serious treatment gap was observed in 95.0% of the patients. Body mass index, OA grade, and glucocorticoid use were identified as independent factors associated with BMD. No differences in BMD were found between the patients scheduled for TKA vs. THA. CONCLUSIONS Considering the high prevalence of osteoporosis and osteopenia in elderly patients, DXA screening should be recommended for patients ≥ 70 years indicated for TKA.
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Affiliation(s)
- Maximilian M Delsmann
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany
| | - Constantin Schmidt
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany
| | - Moritz Mühlenfeld
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Nico Maximilian Jandl
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Christoph Kolja Boese
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Frank Timo Beil
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Tim Rolvien
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany.
| | - Christian Ries
- Department of Trauma and Orthopaedic Surgery, Division of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany.
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Schwabe MT, Hannon CP. The Evolution, Current Indications and Outcomes of Cementless Total Knee Arthroplasty. J Clin Med 2022; 11:jcm11226608. [PMID: 36431091 PMCID: PMC9693456 DOI: 10.3390/jcm11226608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/04/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022] Open
Abstract
Total knee arthroplasty (TKA) has been performed by orthopedic surgeons for decades, but the cementless TKA has only recently gained much interest in the world of arthroplasty. Initially, early designs had multiple complications, particularly with aseptic loosening due to osteolysis and micromotion. However, modifications have shown good outcomes and excellent survivorship. Over the last several decades, changes in implant designs as well as implant materials/coatings have helped with bone in growth and stability. Furthermore, surgeons have been performing TKA in younger and more obese patients as these populations have been increasing. Good results from the cementless TKA compared to cemented TKA may be a better option in these more challenging populations, as several studies have shown greater survivorship in patients that are younger and have a greater BMI. Additionally, a cementless TKA may be more cost effective, which remains a concern in today's healthcare environment. Overall, cemented and cementless TKA have great results in modern times and there is still a debate as to which implant is superior.
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12
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Dave D, Bhattacharjee SK, Shah DD, Mascerhans A, Dey PC, Arumugan S, Mehra V, Agarwal V, Garg S, Gore SC, Choudhry RR, Mahajan M, Bharat S. Osteoporosis in Indian Patients Undergoing Elective Arthroplasty and Spinal Procedures: An Observational Study. Cureus 2022; 14:e27275. [PMID: 35910701 PMCID: PMC9329657 DOI: 10.7759/cureus.27275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2022] [Indexed: 12/04/2022] Open
Abstract
Background This is an observational study conducted to determine the prevalence of osteoporosis and osteopenia in patients undergoing elective arthroplasty and spinal procedures in India. Methods This observational, multicentre study included both male and female patients. Their bone mineral density and fracture risk were measured using dual-energy x-ray absorptiometry (DEXA) and Fracture Risk Assessment Tool (FRAX®: Centre for Metabolic Bone Diseases, University of Sheffield, UK), respectively, in compliance with the guidelines for Good Epidemiological Practice (ISRCTN: 14543098). Results The study revealed that majority (76.4%; 97/127) of the patients had low BMD; over one-third had osteoporosis (39.4%; 50/127) or osteopenia (37%; 47/127). Among those undergoing total knee replacement (TKR)/total hip replacement (THR), majority (75.6%; 59/78) had low BMD (osteoporosis: 38.5% {30/78}; osteopenia: 37.2% {29/78}). Among the patients undergoing spinal procedures, all except two (93.10%; 27/29) had low BMD, two-thirds had osteoporosis (65.5%; 19/29), and around one-fourth had osteopenia (27.6%; 8/29). Radial BMD measurements showed higher prevalence of osteoporosis and osteopenia. Based on FRAX score, nearly 30% of patients were at a high risk of hip fracture in the next 10 years. As per National Osteoporosis Foundation (NOF) guidelines, most (59.79%; 58/97) patients with osteoporosis/osteopenia met criteria for pharmacological treatment. Conclusions Regular preoperative bone health evaluation should be adopted and osteoporosis/osteopenia patients should be adequately managed pharmacologically in India.
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Liu Y, Ma WJ, Huang K, Yang J, Zeng Y, Shen B. Radiographic indexes in AP hip radiographs prior to total hip arthroplasty reveal candidates with low BMD. Osteoporos Int 2022; 33:871-879. [PMID: 34775528 DOI: 10.1007/s00198-021-06231-8] [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: 07/25/2021] [Accepted: 11/01/2021] [Indexed: 02/08/2023]
Abstract
UNLABELLED Using anteroposterior (AP) hip radiograph, we measured several indexes to investigate the association with bone mineral density (BMD) before THA and found a highly effective index to predict femoral BMD. This technique is helpful for both patients and clinicians to identify potential candidates with low BMD to whom DXA examination is particularly recommended. INTRODUCTION The purpose of the study is to identify patients with low bone mineral density (BMD) prior to total hip arthroplasty with the help of AP hip radiographs. METHODS Indexes on AP hip radiographs and T-scores from DXA examination of the lumbar spine and the affected hip were acquired from patients before THA. Indexes measured on AP hip radiographs including the canal calcar ratio (CCR), canal flare index (CFI), morphological cortical index (MCI), canal bone ratio (CBR), and canal bone area ratio (CBAR). The relevance between indexes and the T-score of femora was evaluated by correlation analysis, and the diagnostic value of indexes for osteopenia was examined by receiver operating characteristic (ROC) curves. RESULTS A total of 81 patients were included. The average value of CBR-7, CBR-10, and CBAR (7-10) were highly related to the T-score of femora (r = - 0.592, r = - 0.634, and r = - 0.631, respectively, p < 0.0001). Results of the intra- and interobserver variation assessment was excellent. CBR-7, CBR-10, and CBAR (7-10) were significantly different between the non-osteopenia and osteopenia groups (p < 0.0001). CBR-10 had the biggest area under curve (AUC), means the great diagnostic value for osteopenia in the proximal femora (AUC = 0.821, cutoff value = 0.3805). CONCLUSION The canal bone ratio at 10 × 10-2 m under the level of the lesser trochanter proved to be a great indicator of femoral osteopenia. Trial registration Chinese Clinical Trail Registry, ChiCTR2000041016. Registered 16 December 2020-Retrospectively registered, http://www.chictr.org.cn/listbycreater.aspx .
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Affiliation(s)
- Y Liu
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - W-J Ma
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - K Huang
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - J Yang
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Y Zeng
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - B Shen
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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14
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Prevalence and treatment rate of osteoporosis in patients undergoing total knee and hip arthroplasty: a systematic review and meta-analysis. Arch Osteoporos 2022; 17:16. [PMID: 35029750 DOI: 10.1007/s11657-021-01055-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 12/21/2021] [Indexed: 02/03/2023]
Abstract
PURPOSE Due to age and gender, patients awaiting total knee or hip arthroplasty (TKA/THA) are at a higher risk of osteoporosis. In joint arthroplasty, low bone mineral density (BMD) is a risk factor for implant osseointegration, durability, and prosthesis complications. This study aims to investigate the prevalence and treatment rate of osteoporosis in patients undergoing total joint arthroplasty (TJA). METHODS We applied a comprehensive literature search through PubMed, Cochrane Library, and EMBASE from inception to July 10, 2021, for studies investigating the prevalence and treatment rate of osteoporosis in TJA patients. The aggregated prevalence was calculated with the random-effects model, and the heterogeneity between studies was checked by Cochran's Q test and quantified by the I2 statistic. We performed subgroup analyses and meta-regression analyses to determine the source of heterogeneity. Publication bias was assessed by a funnel plot and verified by Egger's test. Anti-osteoporosis treatment for TJA patients was described qualitatively and quantitatively. RESULTS Of 4561 citations identified by the search strategy, 11 studies including 3462 patients were eligible for inclusion. The pooled prevalence of osteoporosis and osteopenia in TJA patients was 24.8% (95%CI: 14.1-37.2%) and 38.5% (95%CI: 29.3-48.0%), respectively. The prevalence of osteoporosis/osteopenia in TJA patients was 64.0% (95%CI: 45.8-80.3%). In terms of gender, the pooled prevalence of osteoporosis in males, females, and postmenopausal females were 5.5% (95%CI: 1.5-11.4%), 29.0% (95%CI: 18.3-41.1%), and 38.3% (95%CI: 13.2-67.1%), respectively. The treatment rate of osteoporosis in TJA patients was 32.9% (95%CI: 15.2-53.1%) by a random-effects model. CONCLUSIONS Osteoporosis is highly prevalent in patients undergoing TJA, especially in postmenopausal females. However, the treatment rate of osteoporosis is low. Considering the possibility of surgical complications, clinicians should strengthen their awareness of pre-operative BMD assessment and manage osteoporosis in high-risk patients.
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15
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Ishii Y, Noguchi H, Sato J, Takahashi I, Ishii H, Ishii R, Ishii K, Toyabe SI. Preoperative bone assessment by bone mineral density and bone turnover in patients undergoing total knee arthroplasty. J Orthop 2021; 28:121-125. [PMID: 34924727 DOI: 10.1016/j.jor.2021.11.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 11/21/2021] [Indexed: 10/19/2022] Open
Abstract
Background The preoperative overall bone quality in patients undergoing total knee arthroplasty (TKA) might influence the development of postoperative bone-derived complications. This study was performed to simultaneously evaluate the baseline bone mineral density (BMD) and bone turnover in these patients. Methods We prospectively measured the lumbar spine, total hip, and femoral neck BMD using dual-energy X-ray absorptiometry (DXA) in 214 patients (239 knees; women, 199 knees; men, 40 knees) 1 day preoperatively. Women were stratified into three age groups: <70 years (60s), <80 years (70s), and ≥80 years (80s). We assessed bone turnover using the urinary level of N-telopeptide (NTx) normalized to creatinine (NTx/Cre). Results The prevalence of osteoporosis as assessed by DXA (T-score of ≤ -2.5) was 22% in women and 5% in men. A decline in BMD with aging was found in the hip but not in the lumbar spine with significant differences among ages. Women showed a higher NTx/Cre level than men (p = 0.033). An NTx/Cre level suggesting a high fracture risk (>56.5 mmol BCE/mmol Cre) was present in 54% of women and 35% of men (p = 0.037). No significant differences were found in this prevalence among age groups in women. Seventeen percent of women and 0% of men had both osteoporosis and a high fracture risk simultaneously (p = 0.002). The proportion of women in this category was lower in the 60s than 70s age group (p = 0.019). Conclusions Preoperative bone health screening before TKA might be necessary for women aged ≥70 years to prevent complications caused by perioperative poor bone condition.
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Affiliation(s)
- Yoshinori Ishii
- Ishii Orthopaedic & Rehabilitation Clinic, 1089 Shimo-Oshi, Gyoda, Saitama 361-0037, Japan
| | - Hideo Noguchi
- Ishii Orthopaedic & Rehabilitation Clinic, 1089 Shimo-Oshi, Gyoda, Saitama 361-0037, Japan
| | - Junko Sato
- Ishii Orthopaedic & Rehabilitation Clinic, 1089 Shimo-Oshi, Gyoda, Saitama 361-0037, Japan
| | - Ikuko Takahashi
- Ishii Orthopaedic & Rehabilitation Clinic, 1089 Shimo-Oshi, Gyoda, Saitama 361-0037, Japan
| | - Hana Ishii
- Kanazawa Medical University, School of Plastic Surgery, 1-1 Daigaku Uchinada, Ishikawa 920-0253, Japan
| | - Ryo Ishii
- Shinshu University Hospital, 3-1-1 Asahi Matsumoto, Nagano 390-8621, Japan
| | - Kei Ishii
- Iwate Prefectural Ninohe Hospital, 38 Horino, Ninohe, Iwate 028-6193, Japan
| | - Shin-Ichi Toyabe
- Niigata University Crisis Management Office, Niigata University Hospital, Niigata University Graduate School of Medical and Dental Sciences, 1 Asahimachi Dori Niigata, Niigata 951-8520, Japan
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16
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Porrelli D, Abrami M, Pelizzo P, Formentin C, Ratti C, Turco G, Grassi M, Canton G, Grassi G, Murena L. Trabecular bone porosity and pore size distribution in osteoporotic patients - A low field nuclear magnetic resonance and microcomputed tomography investigation. J Mech Behav Biomed Mater 2021; 125:104933. [PMID: 34837800 DOI: 10.1016/j.jmbbm.2021.104933] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 10/10/2021] [Accepted: 10/25/2021] [Indexed: 01/19/2023]
Abstract
The study of bone morphology is of great importance as bone morphology is influenced by factors such as age and underlying comorbidities and is associated with bone mechanical properties and fracture risk. Standard diagnostic techniques used in bone disease, such as Dual-Energy X-ray absorptiometry and ultrasonography do not provide qualitative and quantitative morphological information. In recent years, techniques such as High Resolution Computed Tomography (HR-CT), micro- CT, Magnetic Resonance Imaging (MRI), and Low Field Nuclear Magnetic Resonance (LF-NMR) have been developed for the study of bone structure and porosity. Data obtained from these techniques have been used to construct models to predict bone mechanical properties thanks to finite element analysis. Cortical porosity has been extensively studied and successfully correlated with disease progression and mechanical properties. Trabecular porosity and pore size distribution, however, have increasingly been taken into consideration to obtain a comprehensive analysis of bone pathology and mechanic. Therefore, we have decided to evaluate the ability of micro- CT (chosen for its high spatial resolving power) and LF-NMR (chosen to analyze the behavior of water molecules within trabecular bone pores) to characterize the morphology of trabecular bone in osteoporosis. Trabecular bone samples from human femoral heads collected during hip replacement surgery were from osteoporosis (test group) and osteoarthritis (control group) patients. Our data show that both micro- CT and LF-NMR can detect qualitative changes in trabecular bone (i.e., transition from plate-like to rod-like morphology). Micro- CT failed to detect significant differences in trabecular bone morphology parameters between osteoporotic and osteoarthritic specimens, with the exception of Trabecular Number and Connectivity Density, which are markers of osteoporosis progression. In contrast, LF-NMR was able to detect significant differences in porosity and pore size of trabecular bone from osteoporotic versus osteoarthritic (control) samples. However, only the combination of these two techniques allowed the detection of structural morphometric changes (increase in the larger pore fraction and enlargement of the larger pores) in the trabecular bone of osteoporotic specimens compared to osteoarthritic ones. In conclusion, the combined use of LF-NMR and micro- CT provides a valuable tool for characterizing the morphology of trabecular bone and may offer the possibility for a new approach to the study and modeling of bone mechanics in the context of aging and disease.
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Affiliation(s)
- Davide Porrelli
- Department of Medicine, Surgery and Health Sciences, Maggiore Ospital, Trieste University, Piazza dell'Ospitale 1, I-34125, Trieste, Italy
| | - Michela Abrami
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/A, I 34127, Trieste, Italy
| | - Patrizia Pelizzo
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Strada di Fiume 447, I-34149, Trieste, Italy
| | - Cristina Formentin
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Strada di Fiume 447, I-34149, Trieste, Italy
| | - Chiara Ratti
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Strada di Fiume 447, I-34149, Trieste, Italy
| | - Gianluca Turco
- Department of Medicine, Surgery and Health Sciences, Maggiore Ospital, Trieste University, Piazza dell'Ospitale 1, I-34125, Trieste, Italy
| | - Mario Grassi
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/A, I 34127, Trieste, Italy.
| | - Gianluca Canton
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Strada di Fiume 447, I-34149, Trieste, Italy
| | - Gabriele Grassi
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, I-34149, Trieste, Italy
| | - Luigi Murena
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Strada di Fiume 447, I-34149, Trieste, Italy
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Chen H, Wu J, Wang M, Wang S, Wang J, Yu H, Hu Y, Shang S. Impact of Exposure to Ambient Fine Particulate Matter Pollution on Adults with Knee Osteoarthritis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189644. [PMID: 34574569 PMCID: PMC8466353 DOI: 10.3390/ijerph18189644] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/02/2021] [Accepted: 09/10/2021] [Indexed: 12/18/2022]
Abstract
The impact of exposure to fine particulate matter (PM2.5) on the incidence of knee osteoarthritis is unclear, especially in Beijing which is a highly polluted city. We conducted a time-series study to examine the correlation between PM2.5 exposure and outpatient visits for knee osteoarthritis in Beijing. Changes (in percentage) in the number of outpatient visits corresponding to every 10-μg/m3 increase in the PM2.5 concentration were determined using a generalized additive quasi-Poisson model. There were records of 9,797,446 outpatient visits for knee osteoarthritis in the study period from 1 January 2010 to 31 December 2017. The daily concentration of PM2.5 was 86.8 (74.3) μg/m3 over this period. A 10-μg/m3 increase in PM2.5 concentrations on lag days 0–3 was associated with a 1.41% (95% confidence interval: 1.40–1.41%) increase in outpatient visits for knee osteoarthritis. Females and patients aged above 65 years were more sensitive to the adverse effects of PM2.5 exposure. The present findings demonstrate that short-term exposure to PM2.5 resulted in an increase in the number of outpatient visits for knee osteoarthritis in Beijing. The findings shed light on the effects of air pollution on knee osteoarthritis and could guide risk-mitigating strategies in cities such as Beijing.
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Affiliation(s)
- Hongbo Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
- School of Nursing, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Junhui Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
| | - Mengying Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
| | - Siyue Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
| | - Jiating Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
| | - Huan Yu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
| | - Yonghua Hu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, No. 38 Xueyuan Road, Beijing 100191, China; (H.C.); (J.W.); (M.W.); (S.W.); (J.W.); (H.Y.)
- Medical Informatics Center, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
- Correspondence: (Y.H.); (S.S.)
| | - Shaomei Shang
- School of Nursing, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
- Correspondence: (Y.H.); (S.S.)
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18
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Chen CH, Cheng TL, Chang CF, Huang HT, Lin SY, Wu MH, Kang L. Raloxifene Ameliorates Glucosamine-Induced Insulin Resistance in Ovariectomized Rats. Biomedicines 2021; 9:biomedicines9091114. [PMID: 34572301 PMCID: PMC8466068 DOI: 10.3390/biomedicines9091114] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 12/15/2022] Open
Abstract
Osteoarthritis (OA) and osteoporosis (OP) are common among older women, especially postmenopausal women. Glucosamine (GlcN) is a common medication for OA, but it may induce insulin resistance and β-cell dysfunction, especially if ovarian hormones are lacking. Raloxifene (RLX) is a selective estrogen receptor modulator and also an OP drug. Previously, we found that estrogen could improve GlcN-induced insulin resistance in ovariectomized (OVX) rats. Here, we further hypothesized that RLX, similarly to estrogen, can ameliorate GlcN-induced insulin resistance in OVX rats. We used GlcN to induce insulin resistance in OVX rats as a model for evaluating the protective effects of RLX in vivo. We used a pancreatic β-cell line, MIN-6, to study the mechanisms underlying the effect of RLX in GlcN-induced β-cell dysfunction in vitro. Increases in fasting plasma glucose, insulin, and homeostasis model assessments of insulin resistance in OVX Sprague Dawley rats treated with GlcN were reversed by RLX treatment (n = 8 in each group). Skeletal muscle GLUT-4 increased, liver PEPCK decreased, pancreatic islet hypertrophy, and β-cell apoptosis in OVX rats treated with GlcN was ameliorated by RLX. The negative effects of GlcN on insulin secretion and cell viability in MIN-6 cells were related to the upregulation of reticulum (ER) stress-associated proteins (C/EBP homologous protein, phospho-extracellular signal-regulated kinase, phospho-c-JunN-terminal kinase), the expression of which was reduced by RLX. Pretreatment with estrogen receptor antagonists reversed the protective effects of RLX. GlcN can induce insulin resistance, β-cell dysfunction, and apoptosis in OVX rats and increase ER stress-related proteins in β-cells, whereas RLX can reverse these adverse effects. The effects of RLX act mainly through estrogen receptor α; therefore, RLX may be a candidate drug for postmenopausal women with OA and OP.
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Affiliation(s)
- Chung-Hwan Chen
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Departments of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 80145, Taiwan
- Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 80420, Taiwan
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
- Graduate Institute of Materials Engineering, College of Engineering, National Pingtung University of Science and Technology, Pingtung 912301, Taiwan
| | - Tsung-Lin Cheng
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
| | - Chi-Fen Chang
- Department of Anatomy, School of Medicine, China Medical University, Taichung 40402, Taiwan
| | - Hsuan-Ti Huang
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Departments of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 80145, Taiwan
| | - Sung-Yen Lin
- Orthopaedic Research Center, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Departments of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
- Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 80145, Taiwan
- Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, Kaohsiung 80701, Taiwan
| | - Meng-Hsing Wu
- Department of Obstetrics & Gynecology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Lin Kang
- Department of Obstetrics & Gynecology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
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Delsmann MM, Strahl A, Mühlenfeld M, Jandl NM, Beil FT, Ries C, Rolvien T. High prevalence and undertreatment of osteoporosis in elderly patients undergoing total hip arthroplasty. Osteoporos Int 2021; 32:1661-1668. [PMID: 33575911 PMCID: PMC8376703 DOI: 10.1007/s00198-021-05881-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/05/2021] [Indexed: 11/27/2022]
Abstract
UNLABELLED We detected a high prevalence of low bone mineral density assessed by DXA in 268 elderly patients with end-stage osteoarthritis scheduled for total hip arthroplasty (18% osteoporosis, 41% osteopenia). Therefore, and due to the identified concomitant undertreatment, routine DXA measurements should be considered in elderly patients prior to surgery. INTRODUCTION Bone quality represents a decisive factor for osseointegration, durability, and complications of an implanted prosthesis. Although the risk of osteoporosis increases with age and the assessment of bone mineral density (BMD) prior to total hip arthroplasty (THA) is recommended in elderly patients, a systematic, unbiased analysis of such patients is not available in the literature. METHODS In this retrospective study, we examined 268 elderly patients (age ≥70 years) who underwent dual-energy X-ray absorptiometry (DXA) within 3 months prior to primary THA. Demographics, medical history, radiographic OA grade, and stem fixation method (i.e., cemented or cementless) were obtained. RESULTS In total, 153 (57%) cemented and 115 (43%) cementless stem fixations during THA were performed. Forty-nine patients (18%) were diagnosed with osteoporosis (T-score ≤-2.5), 110 patients (41%) with osteopenia (T-score ≤-1.0), and 109 patients (41%) with normal BMD (T-score >-1.0). Importantly, 36/49 patients (73%) with osteoporosis were not diagnosed before, resulting in a relevant undertreatment. Female sex and low body mass index (BMI) were the main factors negatively influencing the bone mineral density (BMD). CONCLUSIONS Due to a high incidence of undiagnosed and untreated osteoporosis in elderly patients with potential effects on the success of osseointegration as well as other clinical outcomes, DXA measurements should be included in the clinical routine for these patients prior to THA.
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Affiliation(s)
- M M Delsmann
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - A Strahl
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - M Mühlenfeld
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - N M Jandl
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - F T Beil
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - C Ries
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - T Rolvien
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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20
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The predictive significance of bone mineral density on postoperative pain relief in knee osteoarthritis patients after total knee arthroplasty: A prediction model. J Orthop Sci 2021; 26:622-628. [PMID: 32732146 DOI: 10.1016/j.jos.2020.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 05/01/2020] [Accepted: 05/15/2020] [Indexed: 11/20/2022]
Abstract
BACKGROUND Bone mineral density (BMD) may be an important factor affecting the clinical outcomes after total knee arthroplasty (TKA). However, further information regarding BMD in postoperative pain relief is not present yet. This study aims to gain further insight into the predictive significance of BMD in postoperative pain relief in knee osteoarthritis (KOA) patients after TKA. METHODS 156 KOA patients treated by TKA were included in this study. Visual analogue scale (VAS) was used to measure the pain intensity in patients within one year after TKA. The patients were divided into good pain relief group (the improvement of VAS ≥ 3) and poor pain relief group (the improvement of VAS < 3). BMD and other clinical characteristics were also collected. Logistic regression analysis and receiver operating characteristic curve (ROC curve) were used to evaluate the predictive significance of BMD. Subgroup analysis was used to compare the difference of postoperative pain between High BMD group and Low BMD group extra. RESULTS 34 (21.8%) patients had poor pain relief after TKA. Logistic regression analysis indicated that age, BMD, preoperative hospital for special surgery (HSS) scores, preoperative VAS score and postoperative posterior slope angles (PSA) were the risk factors of poor pain relief (P < 0.05). Using BMD as a predictor, the optimum cut-off value of poor pain relief was T-level = -3.0 SD in the ROC curve, where sensitivity and specificity were 73.5% and 83.7%, respectively. Based on this cut-off value, obvious pain relief was observed in the High BMD group compared with Low BMD group from the 6th month after TKA in the subgroup analysis (P < 0.05). CONCLUSIONS BMD is an effective predictor for postoperative pain relief in KOA patients after TKA, and the poor pain relief should be fully considered especially when BMD T-level ≤ -3.0 SD.
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21
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Ховасова НО, Наумов АВ, Ткачева ОН, Дудинская ЕН. [Characteristics of geriatric and somatic status in patients with osteoporosis]. PROBLEMY ENDOKRINOLOGII 2021; 67:45-54. [PMID: 34297501 PMCID: PMC9112845 DOI: 10.14341/probl12751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/17/2021] [Accepted: 06/15/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Older adults with osteoporosis (OP) and high risk of falls are the most vulnerable group of patients with respect to the development of fractures. Falls and fractures in elderly patients with OP are associated with geriatric syndromes and worse functional status. AIM To аssess comorbidity and geriatric status in elderly and senile patients with and without OP. MATERIALS AND METHODS The study included 607 patients over 60 years of age hospitalized in the geriatric department. According to the presence of OP, the patients were divided into 2 groups: group 1 - patients with OP (n=178, 29.3%), group 2 - patients without OP (n=429, 70.7%). All patients underwent a general clinical study, an assessment of comorbidity -according to the Charlson index, and a comprehensive geriatric score. RESULTS OPs had 178 (29.3%) patients, more often these were women. 55.6% of patients with OP were disabled. Age--related diseases such as Alzheimer's disease, Parkinson's disease, osteoarthritis, anemia, thyroid disease, varicose veins were significantly more common in patients with OP. With almost all of these diseases, a univariate analysis revealed an association with OP. Geriatric syndromes such as frailty, hypodynamia, malnutrition, polypharmacy, urinary incontinence were significantly more common in group 1 patients. Patients with OP were more likely to live alone and use mobility aids compared to patients without OP.The univariate analysis demonstrated that OP is associated (OR 1.54 to 2.00) with frailty, hypodynamia, the use of aids in movement, sleep disorders, sensory vision deficiency, urinary incontinence. The Functional status of patients with OP was worse compared to patients without OP. Patients with OP suffered more fractures, and vertebral fractures were significantly more frequent. CONCLUSION Patients with OP have a high comorbidity, a burdened geriatric status. In elderly patients, it is necessary not only to screen and diagnose OP, to assess the risk of 10-years probability of major pathological fractures using the FRAX algorithm, but also to conduct a comprehensive geriatric assessment to diagnose geriatric syndromes that weaken the course of OP and lead to more serious consequences.
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Affiliation(s)
- Н. О. Ховасова
- Кафедра болезней старения Российского национального исследовательского медицинского университета им. Н.И. Пирогова; Российский геронтологический научно-клинический центр
| | - А. В. Наумов
- Кафедра болезней старения Российского национального исследовательского медицинского университета им. Н.И. Пирогова; Российский геронтологический научно-клинический центр
| | - О. Н. Ткачева
- Кафедра болезней старения Российского национального исследовательского медицинского университета им. Н.И. Пирогова; Российский геронтологический научно-клинический центр
| | - Е. Н. Дудинская
- Кафедра болезней старения Российского национального исследовательского медицинского университета им. Н.И. Пирогова; Российский геронтологический научно-клинический центр
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22
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Mo X, Zhao S, Wen Z, Lin W, Chen Z, Wang Z, Huang C, Qin J, Hao J, Chen B. High prevalence of osteoporosis in patients undergoing spine surgery in China. BMC Geriatr 2021; 21:361. [PMID: 34120598 PMCID: PMC8201731 DOI: 10.1186/s12877-021-02313-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 05/26/2021] [Indexed: 01/07/2023] Open
Abstract
Background With the increase in life expectancy, a large number of patients with osteoporosis (OP) are undergoing spine surgery, which may adversely affect the surgical success rate. The prevalence of OP varies in different regions, and no data are available that represent the prevalence of OP among Chinese patients over 50 years of age who are undergoing spine surgery. It was the first multicenter study to assess OP in these patients. Aiming to obtain comprehensive data, this study combined bone mineral density (BMD) measurements and visual radiography assessment (VRA) to analyze the prevalence of OP in patients aged > 50 years who underwent spine surgery. Methods Data from 1,856 patients aged over 50 years undergoing spine surgery who resided in northern, central, and southern China were reviewed between 2018 and 2019. Based on the perioperative BMD and X-ray data, we calculated the prevalence of OP in this special population according to sex, age, and spine degenerative disease. Results A total of 1,245 patients (678 females and 567 males) were included in the study. The prevalence of OP diagnosed by BMD was 52.8 % in females and 18.7 % in males. When we combined with BMD and VRA, the prevalence of OP increased from 52.8 to 65.9 % in females and from 18.7 to 40.6 % in males. Although OP was more severe in females than in males, a significant difference in the rate of vertebral fracture (VF) was not observed between females and males with a normal BMD and osteopenia (females vs. males: aged 50–59 years, P = 0.977; 60–69 years, P = 0.302; >70 years, P = 0.172). Similarly, no significant difference in the vertebral fracture rate was observed within different age groups of patients with a normal BMD and osteopenia (females: P = 0.210; males, P = 0.895). The incidence of OP in patients with degenerative scoliosis was higher than that in the remaining patients (females: 63.6 % vs. 42.4 %, P = 0.018; males: 38.9 % vs. 13.8 %, P = 0.004). Conclusions A high prevalence of OP was identified in patients aged > 50 years undergoing spine surgery, especially in patients whose primary diagnosis was degenerative scoliosis. BMD and VRA evaluations should be included in the clinical routine for these patients prior to surgery.
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Affiliation(s)
- Xiaoyi Mo
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Shengli Zhao
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Zhenxing Wen
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Wei Lin
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Zhipeng Chen
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Zhiyun Wang
- Department of Spine Surgery, Shunde Hospital of Southern Medical University, Foshan, China
| | - Chen Huang
- Department of Orthopaedic, Yantai Mountain Hospital, Yantai, Shandong, China
| | - Jie Qin
- Department of Spine Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jie Hao
- Department of Spine Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bailing Chen
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China. .,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China.
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23
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Lee SW, Kim WY, Song JH, Kim JH, Lee HH. Factors Affecting Periprosthetic Bone Loss after Hip Arthroplasty. Hip Pelvis 2021; 33:53-61. [PMID: 34141691 PMCID: PMC8190495 DOI: 10.5371/hp.2021.33.2.53] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/16/2021] [Accepted: 03/29/2021] [Indexed: 12/22/2022] Open
Abstract
Periprosthetic bone loss may lead to major complications in hip arthroplasty, including aseptic loosening, implant migration, and even periprosthetic fracture. Such a complication leads to revision surgeries, which are expensive, technically demanding, and result in a low satisfaction rate. Therefore, a study was conducted of the factors affecting the periprosthetic bone loss around the stem that caused these complications. Factors influencing periprosthetic bone loss include demographic factors such as age, sex, obesity, smoking, and comorbidity including diabetes and osteoporosis. The implant design and fixation method are also factors that are determined before surgery. In addition, there are surgical factors, such as surgical approach and surgical technique, and we wish to investigate the factors affecting periprosthetic bone loss around the stem by comparing the effects of postoperative rehabilitation protocols and osteoporosis drugs.
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Affiliation(s)
- Se-Won Lee
- Department of Orthopedic Surgery, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Weon-Yoo Kim
- Department of Orthopedic Surgery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea
| | - Joo-Hyoun Song
- Department of Orthopedic Surgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Jae-Hoon Kim
- Department of Orthopedic Surgery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea
| | - Hwan-Hee Lee
- Department of Orthopedic Surgery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea
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Zhu Z, Hu G, Jin F, Yao X. Correlation of osteoarthritis or rheumatoid arthritis with bone mineral density in adults aged 20-59 years. J Orthop Surg Res 2021; 16:190. [PMID: 33722260 PMCID: PMC7958419 DOI: 10.1186/s13018-021-02338-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 03/04/2021] [Indexed: 12/29/2022] Open
Abstract
Background It is reported that osteoporosis commonly occurs among patients with rheumatoid arthritis (RA), whereas the association between osteoporosis and osteoarthritis (OA) remains controversial. Our aim in this study was to investigate the association between BMD, as a marker of osteoporosis, and OA and RA among adults 20−59 years of age, using a population-based sample from the National Health and Nutrition Examination Survey (NHANES). Methods Our analysis was based on the NHANES data collected between 2011 and 2018. Data regarding arthritis status and the type of arthritis (OA or RA) were obtained from questionnaires. Lumbar BMD was measured by dual-energy X-ray absorptiometry. The association between OA, RA, and lumbar BMD was evaluated using logistic regression models. Subgroup analyses, stratified by gender and race, were performed. The association between duration of arthritis and lumbar BMD was also investigated. Results A total of 11,094 adults were included in our study. Compared to the non-arthritis group, participants with OA had a higher lumbar BMD (β = 0.023, 95% CI 0.011–0.035), with no significant association between lumbar BMD and RA (β = 0.014, 95% CI − 0.003 to 0.031). On subgroup analyses stratified by gender, males with OA had a higher lumbar BMD compared to those without OA (β = 0.047, 95% CI 0.028–0.066). In females, OA was not associated with lumbar BMD (β = 0.007, 95% CI − 0.008 to 0.021). There was no association between lumbar BMD and RA in both males (β = 0.023, 95% CI − 0.003 to 0.048) and females (β = 0.008, 95% CI − 0.015 to 0.031). Duration of arthritis was not associated with lumbar BMD for both OA (β = − 0.0001, 95% CI − 0.0017 to 0.0015) and RA (β = 0.0006, 95% CI − 0.0012 to 0.0025). Conclusions Lumbar BMD was associated with OA but not with RA. While a higher lumbar BMD was associated with OA in males, but not in females. Our findings may improve our understanding between OA, RA, and bone health.
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Affiliation(s)
- Zhongxin Zhu
- Department of Osteoporosis Care and Control, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, 311200, Zhejiang, China.,Clinical Research Center, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, 311200, Zhejiang, China
| | - Gangfeng Hu
- Department of Osteoporosis Care and Control, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, 311200, Zhejiang, China
| | - Fang Jin
- Department of Osteoporosis Care and Control, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, 311200, Zhejiang, China
| | - Xiaocong Yao
- Department of Osteoporosis Care and Control, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, 311200, Zhejiang, China.
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25
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Tao Y, Tang S, Huang X, Wang H, Zhou A, Zhang J. Prevalence and Risk Factors of Osteoporosis in Chinese Postmenopausal Women Awaiting Total Knee Arthroplasty. Clin Interv Aging 2021; 16:379-387. [PMID: 33664569 PMCID: PMC7924246 DOI: 10.2147/cia.s297947] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 02/10/2021] [Indexed: 01/01/2023] Open
Abstract
Background Total knee arthroplasty (TKA) complications associated with low bone quality are challenging for orthopaedic surgeons to treat, but little is known about bone quality in Chinese postmenopausal women awaiting TKA. This study investigated the incidence of osteoporosis (OP) and explored the preoperative risk factors for OP in this population. Methods We retrospectively reviewed the data of Chinese postmenopausal women who were indicated for TKA between May 2017 and June 2020. The bone mineral density (BMD) of the hip and lumbar spine and multiple preoperative parameters were collected and analyzed. Binary logistic regression analysis was performed to identify independent risk factors for OP in this population. Results A total of 204 postmenopausal women with advanced knee OA were included in the study (age: 69.7±8.5 years; body mass index [BMI]: 25.5±4.0 kg/m2). The OP prevalence among all participants was 59.8%, and the patients aged 60–80 years had a significantly lower BMD than did the age/ethnicity-adjusted population. An age ≥60 years, a BMI<25, and the presence of a varus knee deformity were independent risk factors for preoperative OP in the postmenopausal women awaiting TKA. Conclusion The prevalence of OP in Chinese postmenopausal women awaiting TKA is higher than that in the age/ethnicity-adjusted normal population. An age ≥60 years, a BMI<25, and the presence of a varus knee deformity are independent risk factors that can be used to predict preoperative OP in this population.
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Affiliation(s)
- Yuzhang Tao
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Siying Tang
- Department of Clinical Nutrition, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Xiao Huang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Hongwei Wang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Aiguo Zhou
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Jian Zhang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
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White R, Krueger D, De Guio F, Michelet F, Hans D, Anderson P, Binkley N. An Exploratory Study of the Texture Research Investigational Platform (TRIP) to Evaluate Bone Texture Score of Distal Femur DXA Scans - A TBS-Based Approach. J Clin Densitom 2021; 24:112-117. [PMID: 31358359 DOI: 10.1016/j.jocd.2019.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/18/2019] [Accepted: 06/25/2019] [Indexed: 11/21/2022]
Abstract
Poor bone status is associated with increased complications following orthopedic surgery. Therefore, assessing site-specific skeletal status prior to or after orthopedic surgery to optimize outcomes is appealing. The trabecular bone score (TBS) approach, a surrogate for microarchitecture, was adapted to the Texture Research Investigational Platform (TRIP), which allows assessment of many skeletal sites imaged by various modalities. TRIP generates a bone texture score (TBS ORTHO), which could potentially guide surgical decision-making and offer insight into postsurgical fracture risk. As distal femur bone loss occurs following total knee arthroplasty (TKA), we hypothesized that TBS ORTHO after TKA would identify poorer texture in the operated femur compared to the nonoperated. We evaluated 30 subjects (15 M/15 F) with unilateral TKA 2-5 yr previously, mean age 67.9 yr and body mass index 30 kg/m2. Using a Lunar iDXA, lumbar spine and entire femur scans were obtained, the latter using the atypical femur fracture feature. Distal femur bone mineral density (BMD) and TBS ORTHO were obtained using manual regions of interest (ROI) at 15% and 25% of leg length from the intercondylar notch. TBS ORTHO was determined using distal femur DICOM images and TRIP v1.0 (Medimaps, France). Differences in operated vs nonoperated femur were evaluated by paired t test. As previously reported, operated leg BMD was approx 10% lower at 15% and 25% ROIs. Similarly, TBS ORTHO values in the operated leg were approx 5% lower (p < 0.05) at these same ROIs. Distal femur TBS ORTHO and BMD were largely unrelated. TBS ORTHO reproducibility at these ROIs was approx 3.5%. In conclusion, this pilot study documents the feasibility of reproducibly obtaining distal femur TBS ORTHO values. Lower values were observed in the surgical leg, consistent with the bone loss that follows TKA. Further work is indicated to refine TRIP use and evaluate whether such data provides guidance for surgical decision-making and improves periprosthetic fracture prediction.
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Affiliation(s)
- R White
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA.
| | - D Krueger
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA
| | - F De Guio
- Research and Development Department, Medimaps, Bordeaux, France
| | - F Michelet
- Research and Development Department, Medimaps, Bordeaux, France
| | - D Hans
- Research and Development Department, Medimaps, Bordeaux, France; Center of Bone Diseases, Bone and Joint Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - P Anderson
- University of Wisconsin, Department of Orthopedics and Rehabilitation, Madison, WI, USA
| | - N Binkley
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA
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DINCEL YASARMAHSUT, SARI ABDULKADIR, TEKIN CAGATAY, GUNAYDIN BURAK, CETIN MEHMETUMIT, ARSLAN YUNUSZIYA. CHANGES IN BONE MINERAL DENSITY AFTER TOTAL KNEE ARTHROPLASTY. ACTA ORTOPEDICA BRASILEIRA 2020; 28:247-250. [PMID: 33144841 PMCID: PMC7580289 DOI: 10.1590/1413-785220202805233379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Objective We aimed to investigate the change in bone mineral density (BMD) in the first postoperative year in patients that underwent total knee arthroplasty (TKA) due to primary osteoarthritis of the knee. Methods Preoperative and first postoperative year dual-energy X-ray absorptiometry measurements of 76 patients with knee osteoarthritis, who undergone surgery between 2016 and 2018 due to the recommendation for TKA, were statistically evaluated in the study. Results Of the 19 patients with a normal BMD in the preoperative period, 73.7% (n = 14) continued to have a normal BMD in the postoperative period. Of the 34 patients with a low BMD (osteopenia) in the preoperative period, 91.2% (n = 31) did not show any change, whereas osteoporosis was observed in two patients (5.9%) in the postoperative period. Of the 23 patients with osteoporosis in the preoperative period, 95.7% (n = 22) did not show any change, whereas osteopenia was observed in one patient (4.3%) in the postoperative period. Both the T and Z scores of the spine (L1-L4) and proximal femur showed a slightly positive trend, however, with an insignificant statistical difference (p ≥ 0.05). Conclusion Patients that underwent TKA experienced a statistically insignificant bone gain at the spine and proximal femur twelve months after the surgery. Level of Evidence III, Therapeutic Studies Investigating the Results of Treatment.
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Abstract
PURPOSE OF REVIEW The purpose of this review is to critically evaluate the current literature regarding implant fixation in osteoporotic bone. RECENT FINDINGS Clinical studies have not only demonstrated the growing prevalence of osteoporosis in patients undergoing total joint replacement (TJR) but may also indicate a significant gap in screening and treatment of this comorbidity. Osteoporosis negatively impacts bone in multiple ways beyond the mere loss of bone mass, including compromising skeletal regenerative capacity, architectural deterioration, and bone matrix quality, all of which could diminish implant fixation. Recent findings both in preclinical animal models and in clinical studies indicate encouraging results for the use of osteoporosis drugs to promote implant fixation. Implant fixation in osteoporotic bone presents an increasing clinical challenge that may be benefitted by increased screening and usage of osteoporosis drugs.
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Affiliation(s)
- Kyle D Anderson
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Frank C Ko
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Amarjit S Virdi
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - D Rick Sumner
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Ryan D Ross
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA.
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, 60612, USA.
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Carlson BB, Salzmann SN, Shirahata T, Ortiz Miller C, Carrino JA, Yang J, Reisener MJ, Sama AA, Cammisa FP, Girardi FP, Hughes AP. Prevalence of osteoporosis and osteopenia diagnosed using quantitative CT in 296 consecutive lumbar fusion patients. Neurosurg Focus 2020; 49:E5. [PMID: 32738803 DOI: 10.3171/2020.5.focus20241] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 05/13/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Osteoporosis is a metabolic bone disease that increases the risk for fragility fractures. Screening and diagnosis can be achieved by measuring bone mineral density (BMD) using quantitative CT tomography (QCT) in the lumbar spine. QCT-derived BMD measurements can be used to diagnose osteopenia or osteoporosis based on American College of Radiology (ACR) thresholds. Many reports exist regarding the disease prevalence in asymptomatic and disease-specific populations; however, osteoporosis/osteopenia prevalence rates in lumbar spine fusion patients without fracture have not been reported. The purpose of this study was to define osteoporosis and osteopenia prevalence in lumbar fusion patients using QCT. METHODS A retrospective review of prospective data was performed. All patients undergoing lumbar fusion surgery who had preoperative fine-cut CT scans were eligible. QCT-derived BMD measurements were performed at L1 and L2. The L1-2 average BMD was used to classify patients as having normal findings, osteopenia, or osteoporosis based on ACR criteria. Disease prevalence was calculated. Subgroup analyses based on age, sex, ethnicity, and history of abnormal BMD were performed. Differences between categorical groups were calculated with Fisher's exact test. RESULTS Overall, 296 consecutive patients (55.4% female) were studied. The mean age was 63 years (range 21-89 years). There were 248 (83.8%) patients with ages ≥ 50 years. No previous clinical history of abnormal BMD was seen in 212 (71.6%) patients. Osteopenia was present in 129 (43.6%) patients and osteoporosis in 44 (14.9%). There were no prevalence differences between sex or race. Patients ≥ 50 years of age had a significantly higher frequency of osteopenia/osteoporosis than those who were < 50 years of age. CONCLUSIONS In 296 consecutive patients undergoing lumbar fusion surgery, the prevalence of osteoporosis was 14.9% and that for osteopenia was 43.6% diagnosed by QCT. This is the first report of osteoporosis disease prevalence in lumbar fusion patients without vertebral fragility fractures diagnosed by QCT.
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Affiliation(s)
- Brandon B Carlson
- 1Marc A. Asher, MD, Comprehensive Spine Center, University of Kansas Medical Center, Kansas City, Kansas
| | | | | | | | - John A Carrino
- 3Department of Radiology and Imaging, Hospital for Special Surgery, New York; and
| | - Jingyan Yang
- 2Spine Care Institute and.,4Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York
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Ha CW, Park YB. Underestimation and undertreatment of osteoporosis in patients awaiting primary total knee arthroplasty. Arch Orthop Trauma Surg 2020; 140:1109-1114. [PMID: 32358659 DOI: 10.1007/s00402-020-03462-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Indexed: 01/17/2023]
Abstract
INTRODUCTION Osteoporosis is generally regarded as a risk factor for periprosthetic fracture during or after primary total knee arthroplasty (TKA). Despite this, little is known about osteoporosis in patients undergoing elective primary TKA Therefore, we sought to investigate the prevalence of osteoporosis and rates of pharmacologic osteoporosis treatment prior to primary TKA. We hypothesized that preoperative osteoporosis is underestimated and undertreated in the primary TKA population. MATERIALS AND METHODS This retrospective study included consecutive 1972 patients scheduled for elective primary TKA at a single tertiary hospital (age, 50-89 years). Charts were reviewed for patient demographics, prior pharmacologic osteoporosis treatment and Knee Society (KS) scoring system and WOMAC score. Dual energy X-ray absorptiometry (DEXA) measurement of the lumbar vertebrae and proximal femur was performed in all patients on the day before surgery. The associations of BMD with age, sex, body mass index (BMI), and clinical outcome were analyzed. RESULTS The prevalence of osteoporosis was 50.0% (53.4% in women and 7.0% in men). Among patients with osteoporosis, only 15.1% (149/986) of patients (15.0% in women and 30.0% in men) had pharmacological osteoporosis treatment prior to primary TKA. Age, sex and WOMAC stiffness showed association with osteoporosis. Sex (odds ratio (OR): 20.83, p < 0.001) was the most significant factor associated with osteoporosis. CONCLUSION Osteoporosis was highly prevalent in patients awaiting TKA, but the rates of diagnosis and pharmacologic osteoporosis treatment were low. Therefore, more attention needs to estimate and treat osteoporosis in patients awaiting primary TKA, especially in female patients.
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Affiliation(s)
- Chul-Won Ha
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, South Korea
| | - Yong-Beom Park
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul, 06973, South Korea.
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Nazari-Farsani S, Vuopio ME, Aro HT. Bone Mineral Density and Cortical-Bone Thickness of the Distal Radius Predict Femoral Stem Subsidence in Postmenopausal Women. J Arthroplasty 2020; 35:1877-1884.e1. [PMID: 32205004 DOI: 10.1016/j.arth.2020.02.062] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 02/21/2020] [Accepted: 02/26/2020] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The distal radius is an optional site for evaluation of bone quality in postmenopausal women before cementless total hip arthroplasty. We hypothesized that dual-energy X-ray absorptiometry (DXA) and pulse-echo ultrasonometry of the distal radius may help discriminate subjects at high risk of femoral stem subsidence. METHODS A prospective cohort of postmenopausal women with primary hip osteoarthritis underwent total hip arthroplasty with implantation of a parallel-sided femoral stem. Postoperative stem migration was measured using radiostereometric analysis. Preoperatively, subjects had multisite DXA measurement of bone mineral density (BMD) and pulse-echo ultrasonometry of the cortical-bone thickness. The diagnostic abilities of these methods to discriminate <2 mm and ≥2 mm femoral stem subsidence were tested. RESULTS The accuracy of the distal radius BMD and cortical-bone thickness of the distal radius were moderate (area under the curve, 0.737 and 0.726, respectively) in discriminating between <2 mm and ≥2 mm stem subsidence. Women with low cortical-bone thickness of the radius were more likely (odds ratio = 6.7; P = .002) to develop stem subsidence ≥2 mm. These subjects had lower total hip BMD (P = .007) and reduced thickness of the medial cortex of the proximal femur (P = .048) with lower middle (P < .001) and distal (P = .004) stem-to-canal fill ratios. CONCLUSION Femoral stem stability and resistance to subsidence are sensitive to adequate bone stock and unaltered anatomy. DXA and pulse-echo ultrasonometry of the distal radius may help discriminate postmenopausal women at high risk of stem subsidence.
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Affiliation(s)
- Sanaz Nazari-Farsani
- Department of Orthopaedic Surgery and Traumatology, Turku University Hospital and University of Turku, Turku, Finland
| | - Mia E Vuopio
- Department of Orthopaedic Surgery and Traumatology, Turku University Hospital and University of Turku, Turku, Finland
| | - Hannu T Aro
- Department of Orthopaedic Surgery and Traumatology, Turku University Hospital and University of Turku, Turku, Finland
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Zhang Q, Nettleship I, Schmelzer E, Gerlach J, Zhang X, Wang J, Liu C. Tissue Engineering and Regenerative Medicine Therapies for Cell Senescence in Bone and Cartilage. TISSUE ENGINEERING PART B-REVIEWS 2020; 26:64-78. [DOI: 10.1089/ten.teb.2019.0215] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qinghao Zhang
- Department of Materials Science and Engineering, East China University of Science and Technology, Shanghai, P.R. China
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Ian Nettleship
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Eva Schmelzer
- Department of Surgery, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jorg Gerlach
- Department of Surgery, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Xuewei Zhang
- Department of Materials Science and Engineering, East China University of Science and Technology, Shanghai, P.R. China
| | - Jing Wang
- Department of Materials Science and Engineering, East China University of Science and Technology, Shanghai, P.R. China
| | - Changsheng Liu
- Department of Materials Science and Engineering, East China University of Science and Technology, Shanghai, P.R. China
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Casp AJ, Montgomery SR, Cancienne JM, Brockmeier SF, Werner BC. Osteoporosis and Implant-Related Complications After Anatomic and Reverse Total Shoulder Arthroplasty. J Am Acad Orthop Surg 2020; 28:121-127. [PMID: 31977612 DOI: 10.5435/jaaos-d-18-00537] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Osteoporosis is a widespread and growing medical condition, with significant orthopaedic implications. However, the effect of osteoporosis on outcomes after total shoulder arthroplasty (TSA) is not well understood. The goal of the present study was to characterize the incidence of osteoporosis in patients undergoing shoulder arthroplasty and to examine whether patients with osteoporosis undergoing anatomic and reverse TSA are at an increased risk of prosthetic-related complications. METHODS Complication rates were calculated for patients with osteoporosis who underwent anatomic and reverse TSA as separate cohorts within 2 years of surgery including loosening/osteolysis, periprosthetic fracture, periprosthetic dislocation, and revision shoulder arthroplasty and compared using a multivariable logistic regression analysis to control for patient demographics and comorbidities during comparisons, including the indication for reverse TSA. RESULTS The prevalence of an osteoporosis diagnosis at the time of surgery was 14.3% for anatomic TSA patients and 26.2% of reverse TSA patients. Anatomic TSA patients with osteoporosis experienced significantly higher rates of periprosthetic fracture (odds ratio [OR], 1.49; P = 0.017) and revision shoulder arthroplasty (OR, 1.21; P = 0.009) within 2 years of surgery compared with matched controls without osteoporosis. Patients in the reverse TSA group with osteoporosis also had significantly higher rates of periprosthetic fracture (OR, 1.86; P = 0.001) and revision shoulder arthroplasty (OR, 1.42; P = 0.005) within 2 years of surgery compared with matched controls. DISCUSSION A significant number of patients undergoing both anatomic and reverse TSA have a concurrent diagnosis of osteoporosis. Osteoporosis represents a significant independent risk factor for periprosthetic fracture and revision shoulder arthroplasty within 2 years of surgery, regardless of the type of implant. Patients with osteoporosis should be counseled on their increased risk of complications after shoulder arthroplasty.
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Affiliation(s)
- Aaron J Casp
- From the Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA (Dr. Casp, Dr. Cancienne, Dr. Brockmeier, and Dr. Werner), and the University of Virginia School of Medicine, Charlottesville, VA (Mr. Montgomery)
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Miller AM, Beyer DT, Starring HM, Leonardi C, Bronstone AB, Dasa V. Importance of Routine Bone Mineral Density Screening Prior to Elective Total Joint Replacement. Orthopedics 2019; 42:310-312. [PMID: 31751487 DOI: 10.3928/01477447-20191022-01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Preoperative Systemic Bone Quality Does Not Affect Tibial Component Migration in Knee Arthroplasty: A 2-Year Radiostereometric Analysis of a Hundred Consecutive Patients. J Arthroplasty 2019; 34:2351-2359. [PMID: 31202639 DOI: 10.1016/j.arth.2019.05.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/27/2019] [Accepted: 05/09/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Bone quality and other preoperative predictive factors may affect implant migration and the survival of knee arthroplasty. METHODS In a prospective cohort of 100 consecutive patients (65 women) at a mean age of 67.7 years (range 39-87 years), we investigated preoperative predictors of postoperative tibial component migration in cemented and cementless total knee arthroplasties or cemented unicompartmental knee arthroplasty. Predictors consisted of Knee Injury and Osteoarthritis Outcome Score (KOOS) and Oxford Knee Score, questionnaires, bone turnover markers of CTX and P1NP, systemic bone mineral density (BMD), and knee osteoarthritis (OA) grade. Tibial component migration was measured with radiostereometry postoperative, at 1 and 2 years of follow-up. RESULTS Between 1 and 2 years, 19 tibial components migrated continuously (maximum total point motion [MTPM] > 0.2 mm). In general, there was no difference in age, body mass index, BMD, KOOSs, or OA grade between patients with continuous tibial migration compared to patients without continuous migration (P > .11). However, cementless tibial components with continuous migration had a lower KOOS pain score (more pain), lower vitamin D, and a higher bone turnover (CTX) value than patients without continuous migration. There was no association between the BMD and MTPM at 1-year follow-up regardless of prothesis type (P > .17). Patients with osteoporosis and normal BMD had similar mean tibial component MTPM at 2 years (3 prostheses combined; P = .34). CONCLUSION Migration of tibial components inserted with or without bone cement was not affected by the preoperative bone quality in terms of systemic BMD, bone turnover markers, and OA grade in the knee.
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Abstract
Arthroplasty has become a very successful operation with excellent long-term results. A dedicated diagnostic set-up to exclude osteoporosis prior to a joint replacement and the use of drugs to improve the outcome of a joint replacement are currently not recommended. Knee arthroplasty should always be cemented in patients with known osteoporosis. The same is recommended for hip joint replacement, even if the cement-free acetabular component yields good results. Rapid loading and mobilization appear beneficial also with respect to the osteoporosis and its systemic treatment.
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Affiliation(s)
- Carl Haasper
- Orthopädie, Unfallchirurgie und Ästhetik, AMEOS Klinikum Seepark, Langener Str. 66, 27607, Geestland, Deutschland.
| | - Mustafa Citak
- HELIOS ENDO-Klinik Hamburg, Holstenstr. 2, 22767, Hamburg, Deutschland
| | - Max Ettinger
- Orthopädische Klinik, Annastift Hannover, Medizinische Hochschule Hannover, Anna-von-Börries-Str. 1-7, 30625, Hannover, Deutschland
| | - Thorsten Gehrke
- HELIOS ENDO-Klinik Hamburg, Holstenstr. 2, 22767, Hamburg, Deutschland
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Aro HT, Nazari-Farsani S, Vuopio M, Löyttyniemi E, Mattila K. Effect of Denosumab on Femoral Periprosthetic BMD and Early Femoral Stem Subsidence in Postmenopausal Women Undergoing Cementless Total Hip Arthroplasty. JBMR Plus 2019; 3:e10217. [PMID: 31687650 PMCID: PMC6820573 DOI: 10.1002/jbm4.10217] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 06/21/2019] [Accepted: 06/25/2019] [Indexed: 12/11/2022] Open
Abstract
Antiresorptive denosumab is known to improve the quality and strength of cortical bone in the proximal femurs of osteoporotic women, but its efficacy in preventing periprosthetic bone loss and reducing femoral stem migration has not been studied in women undergoing cementless total hip arthroplasty. We conducted a single-center, randomized, double-blinded, placebo-controlled trial of 65 postmenopausal women with primary hip osteoarthritis and Dorr type A or B proximal femur anatomy. The patients randomly received subcutaneous injections of denosumab 60 mg or placebo once every 6 months for 12 months, starting 1 month before surgery. The primary endpoint was the change in bone mineral density (BMD) of the proximal femur (Gruen zone 7) at week 48, and the secondary endpoint was stem subsidence measured by radiostereometric analysis (RSA) at week 48. Exploratory endpoints included changes in BMDs of the contralateral hip, lumbar spine and distal radius, serum levels of bone turnover markers, walking speed, walking activity, patient-reported outcome measures, and radiographic assessment of stem osseointegration. The participants underwent vertebral-fracture assessment in an extension safety study at 3 years. Denosumab significantly decreased bone loss in the medial femoral neck (zone 7) and increased periprosthetic BMD in the greater trochanteric region (zone 1) and lesser trochanteric region (zone 6). Denosumab did not reduce temporary femoral stem migration. The migration occurred mainly during the settling period (0 to 12 weeks) after implantation of the prosthesis. All of the stems osseointegrated, as evaluated by RSA and radiographs. There were no intergroup differences in functional recovery. Discontinuation of denosumab did not lead to any adverse events. In conclusion, denosumab increased periprosthetic BMD in the clinically relevant regions of the proximal femur, but the treatment response was not associated with any reduction of initial stem migration. © 2019 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of the American Society for Bone and Mineral Research.
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Affiliation(s)
- Hannu T Aro
- Departments of Orthopaedic Surgery and Traumatology Turku University Hospital and University of Turku Turku Finland
| | - Sanaz Nazari-Farsani
- Departments of Orthopaedic Surgery and Traumatology Turku University Hospital and University of Turku Turku Finland
| | - Mia Vuopio
- Departments of Orthopaedic Surgery and Traumatology Turku University Hospital and University of Turku Turku Finland
| | - Eliisa Löyttyniemi
- Unit of Biostatistics, Department of Clinical Medicine University of Turku Turku Finland
| | - Kimmo Mattila
- Department of Diagnostic Imaging Turku University Hospital Turku Finland
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Kim BY, Kim HA, Jung JY, Choi ST, Kim JM, Kim SH, Kwon SR, Suh CH, Kim SS. Clinical Impact of the Fracture Risk Assessment Tool on the Treatment Decision for Osteoporosis in Patients with Knee Osteoarthritis: A Multicenter Comparative Study of the Fracture Risk Assessment Tool and World Health Organization Criteria. J Clin Med 2019; 8:jcm8070918. [PMID: 31248035 PMCID: PMC6678257 DOI: 10.3390/jcm8070918] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 06/19/2019] [Accepted: 06/22/2019] [Indexed: 11/23/2022] Open
Abstract
Background: To compare the frequency of high-risk osteoporotic fracture in patients with knee OA (OA) using the fracture risk assessment tool (FRAX) and the bone mineral density (BMD). Methods: We retrospectively assessed 282 Korean patients with knee OA who visited five medical centers and 1165 healthy controls (HCs) aged ≥50 years without knee OA. After matching for age, sex, and body mass index, 478 subjects (239 patients with knee OA and 239 HCs) were included. Results: Based on the BMD, the frequency of osteoporosis was 40.2% in patients with knee OA and 36.4% in HCs. The predicted mean FRAX major osteoporotic fracture probabilities calculated with or without femur neck BMD differed significantly between the knee OA and HCs (6.9 ± 3.8% versus 6.1 ± 2.8%, p = 0.000 and 8 ± 3.6% versus 6.8 ± 2.3%, p < 0.001, respectively). The mean FRAX hip fracture probabilities calculated with or without femur neck BMD differed significantly in the knee OA and HCs (2.1 ± 2.4% versus 1.7 ± 1.8%, p = 0.006 and 3 ± 2.3% versus 2.4 ± 1.6%, p < 0.001, respectively). Conclusion: Our study suggests that FRAX may have a clinical impact on treatment decisions to reduce osteoporotic facture in patients with knee OA.
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Affiliation(s)
- Bo Young Kim
- Division of Rheumatology, Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung 25440, Korea.
| | - Hyoun-Ah Kim
- Department of Rheumatology, Ajou University School of Medicine, Suwon 16449, Korea.
| | - Ju-Yang Jung
- Department of Rheumatology, Ajou University School of Medicine, Suwon 16449, Korea.
| | - Sang Tae Choi
- Division of Rheumatology, Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul 06973, Korea.
| | - Ji-Min Kim
- Division of Rheumatology, Department of Internal Medicine, Keimyung University School of Medicine, Dongsan Medical Center, Daegu 42601, Korea.
| | - Sang Hyon Kim
- Division of Rheumatology, Department of Internal Medicine, Keimyung University School of Medicine, Dongsan Medical Center, Daegu 42601, Korea.
| | - Seong-Ryul Kwon
- Division of Rheumatology, Department of Internal Medicine, Rheumatism Center, Inha University Hospital, Incheon 22332, Korea.
| | - Chang-Hee Suh
- Department of Rheumatology, Ajou University School of Medicine, Suwon 16449, Korea.
| | - Sung-Soo Kim
- Division of Rheumatology, Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung 25440, Korea.
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Total Knee Arthroplasty in the Osteoporotic Tibia: A Biomechanical Evaluation of the Role of Stem Extensions and Cementing Techniques. J Am Acad Orthop Surg 2019; 27:370-374. [PMID: 31085949 DOI: 10.5435/jaaos-d-17-00736] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Poor functional outcomes and aseptic loosening increase when total knee arthroplasty is performed on osteoporotic patients. This biomechanical study evaluated the effect of stem extension on the stability of tibial fixation using different cementing techniques. METHODS A standard design tibial tray was implanted in a replica of a male osteoporotic tibia. Twenty-four implantations were performed using three variations of implant and cementing, and then mounted on a material testing machine load frame at 500 cycles of multiaxial loading simulating walking. The three-dimensional components of tray-tibia micromotion were measured. RESULTS The primary implant total interface motion with surface cementing was 25.9 μm ± 14.7 μm and 10.6 μm ± 7.6 μm with full cementing (P = 0.001). The three-dimensional motion of fully cemented primary implants with stem extension was 4.4 μm ± 3.9 μm, which represents a decrease in micromotion of 83% in surface cemented primary implants (P < 0.0001) and 58% in the fully cemented components without stem extension (P < 0.009). CONCLUSION Fully cemented primary implants with stem extensions demonstrated decreased micromotion and should be considered for use in osteoporotic total knee arthroplasty patients.
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Lewis R, Gómez Álvarez CB, Rayman M, Lanham-New S, Woolf A, Mobasheri A. Strategies for optimising musculoskeletal health in the 21 st century. BMC Musculoskelet Disord 2019; 20:164. [PMID: 30971232 PMCID: PMC6458786 DOI: 10.1186/s12891-019-2510-7] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 03/17/2019] [Indexed: 12/19/2022] Open
Abstract
We live in a world with an ever-increasing ageing population. Studying healthy ageing and reducing the socioeconomic impact of age-related diseases is a key research priority for the industrialised and developing countries, along with a better mechanistic understanding of the physiology and pathophysiology of ageing that occurs in a number of age-related musculoskeletal disorders. Arthritis and musculoskeletal disorders constitute a major cause of disability and morbidity globally and result in enormous costs for our health and social-care systems.By gaining a better understanding of healthy musculoskeletal ageing and the risk factors associated with premature ageing and senescence, we can provide better care and develop new and better-targeted therapies for common musculoskeletal disorders. This review is the outcome of a two-day multidisciplinary, international workshop sponsored by the Institute of Advanced Studies entitled "Musculoskeletal Health in the 21st Century" and held at the University of Surrey from 30th June-1st July 2015.The aim of this narrative review is to summarise current knowledge of musculoskeletal health, ageing and disease and highlight strategies for prevention and reducing the impact of common musculoskeletal diseases.
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Affiliation(s)
- Rebecca Lewis
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Constanza B. Gómez Álvarez
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Margaret Rayman
- School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Susan Lanham-New
- School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Anthony Woolf
- Department of Rheumatology, Royal Cornwall Hospital, Truro, UK
| | - Ali Mobasheri
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
- Centre for Sport, Exercise and Osteoarthritis Research Versus Arthritis, Queen’s Medical Centre, Nottingham, UK
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
- The D-BOARD FP7 Consortium, http://www.d-board.eu
- The APPROACH IMI Consortium, https://www.approachproject.eu
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Prince JM, Bernatz JT, Binkley N, Abdel MP, Anderson PA. Changes in femoral bone mineral density after total knee arthroplasty: a systematic review and meta-analysis. Arch Osteoporos 2019; 14:23. [PMID: 30798359 DOI: 10.1007/s11657-019-0572-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 01/27/2019] [Indexed: 02/03/2023]
Abstract
BACKGROUND Bone loss after total knee arthroplasty (TKA) may lead to periprosthetic fractures that are associated with significant costs (morbidity, economic, etc.) and pose a challenge to operative fixation. This meta-analysis quantifies the change in bone mineral density (BMD) of the distal femur after primary TKA. METHODS A systematic review of six databases was performed by two independent reviewers. Studies that reported bone density after knee arthroplasty were identified and inclusion/exclusion criteria was applied. Data were extracted and analyzed using the Comprehensive Meta-Analysis Software. RESULTS Fourteen studies were included in the analysis. The average decrease in BMD was 0.09 [0.05, 0.13], 0.14 [0.08, 0.20], 0.16 [0.10, 0.23], and 0.16 [0.12, 0.20] g/cm2 at 3, 6, 12, and 24 months, respectively, corresponding to a 9.3%, 13.2%, 15.8%, and 15.4% BMD loss. A high degree of heterogeneity existed between the studies (I2 > 90% at most time points). CONCLUSION In summary, there is a rapid and significant 15% decrease in BMD in the first 6 months after TKA that is sustained to 24 months. Better understanding regarding how perioperative optimization of bone health may affect BMD loss and the incidence of periprosthetic fracture is essential. LEVEL OF EVIDENCE Therapeutic Level II.
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Affiliation(s)
- Joel M Prince
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, UWMF Centennial Building, 1685 Highland Avenue, 6th Floor, Madison, WI, 53705, USA
| | - James T Bernatz
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, UWMF Centennial Building, 1685 Highland Avenue, 6th Floor, Madison, WI, 53705, USA
| | - Neil Binkley
- University of Wisconsin Osteoporosis Clinical Research Program, Madison, WI, 53705, USA
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN, 65905-53705, USA
| | - Paul A Anderson
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, UWMF Centennial Building, 1685 Highland Avenue, 6th Floor, Madison, WI, 53705, USA.
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Blaty T, Krueger D, Illgen R, Squire M, Heiderscheit B, Binkley N, Anderson P. DXA evaluation of femoral bone mineral density and cortical width in patients with prior total knee arthroplasty. Osteoporos Int 2019; 30:383-390. [PMID: 30171301 DOI: 10.1007/s00198-018-4682-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/19/2018] [Indexed: 01/07/2023]
Abstract
UNLABELLED Periprosthetic fractures after total knee arthroplasty (TKA) have devastating consequences. Osteoporosis increases periprosthetic fracture risk, but distal femur bone mineral density (BMD) is not measured post-TKA. This study measured distal femur BMD and cortical width; both were lower in the TKA compared to the non-operated leg. BMD measurement reproducibility was good. Standardized DXA regions of interest are proposed. INTRODUCTION Periprosthetic fractures following total knee arthroplasty (TKA) are not rare. We hypothesized that TKA is associated with low BMD, potentially increasing periprosthetic fracture risk. However, distal femur dual energy x-ray (DXA) measurement is virtually never performed after TKA due to lack of standardized approaches. Thus, this study's aims were to develop standard DXA femur regions of interest (ROIs), assess cortical width, and determine measurement reproducibility in TKA patients. METHODS Thirty adults (15 M/15 F) age 59-80 years with unilateral, primary TKA within 2-5 years had femoral DXA scans performed in duplicate using a Lunar iDXA densitometer. In prior work, we established that femur BMD was lowest in the distal metaphysis and highest in mid-shaft. Thus, BMD and cortical width were measured at 15%, 25%, and 60% of the femur length measured from the distal notch. Femur BMD and cortical width were compared between limbs (TKA vs. non-operated side) by paired t test. RESULTS BMD was 3.2-9.9% lower (p < 0.001) in the operated femur at all custom ROIs; substantial between individual differences existed with some up to 30% lower. Cortical width was lower (p < 0.05) at the 25% ROI on the TKA side. BMD reproducibility was excellent; CV 0.85-1.33%. CONCLUSIONS Distal femur BMD can be reproducibly measured using DXA and is ~ 10% lower on the TKA leg. Similarly, medial and lateral cortices are thinner at the 25% ROI. These bone changes likely increase periprosthetic fracture risk. Further work to define and mitigate periprosthetic fracture risk after TKA is needed.
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Affiliation(s)
- T Blaty
- Osteoporosis Clinical Research Program, University of Wisconsin School of Medicine and Public Health, 2870 University Ave. Ste. 100, Madison, WI, 53705, USA
| | - D Krueger
- Osteoporosis Clinical Research Program, University of Wisconsin School of Medicine and Public Health, 2870 University Ave. Ste. 100, Madison, WI, 53705, USA
| | - R Illgen
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - M Squire
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - B Heiderscheit
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - N Binkley
- Osteoporosis Clinical Research Program, University of Wisconsin School of Medicine and Public Health, 2870 University Ave. Ste. 100, Madison, WI, 53705, USA.
| | - P Anderson
- Department of Orthopedics and Rehabilitation, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Thomas B, Binkley N, Anderson PA, Krueger D. DXA Measured Distal Femur Bone Mineral Density in Patients After Total Knee Arthroplasty: Method Development and Reproducibility. J Clin Densitom 2019; 22:67-73. [PMID: 30228047 DOI: 10.1016/j.jocd.2018.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/07/2018] [Accepted: 08/07/2018] [Indexed: 10/28/2022]
Abstract
INTRODUCTION Total knee arthroplasty (TKA) is increasingly being performed. Distal femur periprosthetic fracture is a potentially catastrophic complication following TKA and existing data document substantial distal femur bone mineral density (BMD) loss following TKA. However, distal femur BMD is virtually never measured clinically as no consensus approach exists. This pilot study's purpose was to define regional BMD variation throughout the femur, suggest standard dual-energy X-ray absorptiometry (DXA) regions of interest (ROIs) and evaluate BMD reproducibility at these ROIs. METHODS Thirty volunteers 2-5 yr post TKA had both entire femurs imaged twice using a Lunar iDXA with subject repositioning between scans; the atypical femur fracture feature of enCORE software was utilized. To define femoral BMD distribution, custom 1 cm ROIs were stacked one atop the other starting at the intercondylar notch and continuing to the base of the lesser trochanter. Femur length was measured with the ruler tool to calculate distance at 5% increments. ROIs encompassing each 5% increment were utilized to measure BMD at each location. Descriptive statistics were used to determine mean BMD at each ROI and reproducibility at the 15%, 25%, 45%, 60%, and 80% ROIs. RESULTS The 5 and 10% ROIs included prosthetic and/or patella, causing high BMD values. Distal femur BMD was lowest at the 15% ROI and was higher (p < 0.05) at each more proximal ROI to 45%, then plateaued from 45% to 75%. BMD reproducibility at these regions was excellent; coefficient of variation (CV) from ∼1% to 3.5%. As periprosthetic fractures generally occur in the distal femur, we propose measuring femur BMD using ROIs placed at 15% and 25%. A 60% region could also be used as a highly cortical site. CONCLUSION Existing DXA capabilities allow distal femur BMD measurement with good reproducibility. Further research using standardized ROIs to assess distal femur BMD loss after TKA, and interventions to mitigate this loss, is indicated.
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Affiliation(s)
- B Thomas
- Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, USA;.
| | - N Binkley
- Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, USA
| | - P A Anderson
- Department of Orthopedic Surgery and Rehabilitation, University of Wisconsin-Madison, Madison, WI, USA
| | - D Krueger
- Osteoporosis Clinical Research Program, University of Wisconsin-Madison, Madison, WI, USA
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Ultrastructural change of the subchondral bone increases the severity of cartilage damage in osteoporotic osteoarthritis of the knee in rabbits. Pathol Res Pract 2017; 214:38-43. [PMID: 29263013 DOI: 10.1016/j.prp.2017.11.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 11/05/2017] [Accepted: 11/28/2017] [Indexed: 11/23/2022]
Abstract
Osteoporotic osteoarthritis is a phenotype of osteoarthritis (OA) manifested as fragile and osteoporotic subchondral bone. However, the ultrastructural features of subchondral bone in osteoporosis OA have not been determined. The study was aimed to investigate the ultrastructural dynamic changes of subchondral bone in osteoporotic OA model and how the ultrastructural damage in the subchondral bone caused by osteoporosis deteriorated the cartilage damage in OA. Eighteen rabbits were equally randomized to three groups, including the control, the OA and the osteoporotic OA groups. The structural changes of cartilage were evaluated by HE and safranin-O fast green staining, the Mankin's grading system was used to assess the stage of OA progression. And microstructural or ultrastructural changes in subchondral bone were assessed by micro-computed tomography or by scanning electron microscopy. According to the changes of cartilage histopathology, the OA group was in the early pathological stage of OA while the osteoporotic OA group was in the middle stage of OA based on Mankin's grading system. In addition, the damage of cartilage surface, reduction in the number of chondrocytes and the matrix staining were more increased in the osteoporotic OA group compared to the OA group. Compared to the OA group, the subchondral bone in the microstructure and ultrastructure in the osteoporotic OA group showed more microfracture changes in trabecular bone with more destructions of the tree-like mesh. Moreover, the collagen fibers were random rough with a fewer amount of bone lacunae in subchondral cortical plate in the osteoporotic OA group compared to the OA group. These findings indicated that the subchondral bone ultrastructure in the osteoporotic OA model was characterized by the destruction of the network structure and collagen fibers. The subchondral bone ultrastructural damage caused by osteoporosis may change mechanical properties of the upper cartilage and aggravate OA cartilage. Therefore, early diagnosis and treatment of osteoporosis is of great significance to prevent early OA from further developing osteoporotic OA.
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Linde KN, Puhakka KB, Langdahl BL, Søballe K, Krog-Mikkelsen I, Madsen F, Stilling M. Bone Mineral Density is Lower in Patients with Severe Knee Osteoarthritis and Attrition. Calcif Tissue Int 2017; 101:593-601. [PMID: 28840578 DOI: 10.1007/s00223-017-0315-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 08/09/2017] [Indexed: 12/17/2022]
Abstract
Bone quality is probably important for the survival of knee arthroplasty (KA), but little is known about systemic bone mineral density and bone turnover in patients prior to KA surgery. The aim of this study was to explore the prevalence of osteoporosis and bone turnover in relation to knee osteoarthritis (OA) grade in patients scheduled for KA surgery. Prospective preoperative evaluation of 450 patients (259 females) prior to KA between 2014 and 2016 with standing knee radiography, Dual-energy X-ray absorptiometry (DXA), biomarkers for bone turnover (CTX, P1NP), and vitamin D. Grading of knee OA was done with the Altman Atlas and Kellgren Lawrence (KL). Adjustments for age and BMI were made. The mean age was 67.9 years (range 39-94), and mean BMI was 28.8 (SD 4.8). The prevalence of osteoporosis was 9.6% (CI 95% 7.2; 12.7), while the proportion of patients with osteopenia was 36.0%. T score was similar between KL OA grade 3 and 4 (p = 0.06); however, T score was lower (p = 0.02) with the worst knee OA grade (attrition). The median serum Vitamin D level was 78.5 nmol/L (range 10-196), and there was no association between serum vitamin D and the grade of OA (p > 0.88). P1NP was significantly higher in KL grade 4 compared to KL grade 3 (p = 0.03), but there was no association between KL grade and CTX (p = 0.21). 10% had osteoporosis, which is similar to the age-matched background population. Bone mineral density was lower with severe knee osteoarthritis (attrition), and P1NP was higher with worse osteoarthritis grading.
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Affiliation(s)
- Karina Nørgaard Linde
- Orthopaedic Research Unit, Aarhus University Hospital, Aarhus, Denmark.
- Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark.
| | | | - Bente Lomholt Langdahl
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Kjeld Søballe
- Orthopaedic Research Unit, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
| | | | - Frank Madsen
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
| | - Maiken Stilling
- Orthopaedic Research Unit, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
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García-Ibarbia C, Neila S, Garcés C, Alonso MA, Zarrabeitia MT, Valero C, Ortiz F, Riancho JA. Non-synonymous WNT16 polymorphisms alleles are associated with different osteoarthritis phenotypes. Rheumatol Int 2017; 37:1667-1672. [PMID: 28766055 DOI: 10.1007/s00296-017-3783-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 07/26/2017] [Indexed: 11/28/2022]
Abstract
Hereditary factors have a strong influence on osteoarthritis (OA). The Wnt pathway is involved in bone and cartilage homeostasis. Hence, we hypothesized that allelic variations of WNT16 could influence the OA phenotype. We studied 509 Caucasian patients undergoing joint replacement due to severe primary OA. Radiographs were used to classify the OA as atrophic or hypertrophic. Two nonsynonymous polymorphisms of WNT16 (rs2707466 and rs2908004) were analyzed. The association between the genotypes and the OA phenotype was analyzed by logistic regression and adjusted for age and body mass index. A genotype-phenotype association was found in the sex-stratified analysis. Thus, there was a significant difference in the genotypic frequencies of rs2707466 between hypertrophic and atrophic hip OA in males (p = 0.003), with overrepresentation of G alleles in the hypertrophic phenotype (OR 2.08; CI 1.28-3.38). An association in the same direction was observed between these alleles and the type of knee OA, with G alleles being more common in the hypertrophic than in atrophic knee phenotypes (p = 0.008; OR 1.956, CI 1.19-3.19). Similar associations were found for the rs2908004 SNP, but it only reached statistical significance for knee OA (p = 0.017; OR 0.92, CI 0.86-0.989). This is the first study attempting to explore the association of genetic variants with the OA phenotype. These data suggest the need to consider the OA phenotype in future genetic association studies of OA.
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Affiliation(s)
- Carmen García-Ibarbia
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - Sara Neila
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - Carlos Garcés
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - Maria A Alonso
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - María T Zarrabeitia
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - Carmen Valero
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - Fernando Ortiz
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain
| | - José A Riancho
- Departments of Internal Medicine and Orthopedic Surgery, Hospital UM Valdecilla, University of Cantabria, IDIVAL, Av Valdecilla sn, 39008, Santander, Spain.
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Stihsen C, Springer B, Nemecek E, Olischar B, Kaider A, Windhager R, Kubista B. Cementless Total Hip Arthroplasty in Octogenarians. J Arthroplasty 2017; 32:1923-1929. [PMID: 28291649 DOI: 10.1016/j.arth.2017.01.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 12/12/2016] [Accepted: 01/17/2017] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Although several studies indicate excellent results for cementless implants, controversy persists regarding its use in elderly patients. We determined to evaluate the outcome on patients aged over 80 years who were treated with cementless total hip arthroplasty for primary osteoarthritis of the hip. METHODS We assessed the data of 162 consecutive total hip arthroplasties in octogenarian patients (mean age 83 years, range 80-96 years). A control group was created, consisting of 342 patients aged younger than 80 years (mean age 65 years, range 37-79 years). The median follow-up of the cohort was 128.4 months (range 6-211). RESULTS Competing risk analyses revealed a cumulative implant survival of 98.1% at 5 and 10 years in the study group compared to 99.1% and 98.4% in the control group, taking system exchange as the end point. No differences in regard to system exchange could be detected between the groups. A significantly worsened complication-free survival rate was evident in the octogenarian group. Osteoporosis was the most powerful risk factor that proved to have a significant negative impact on development of complications. CONCLUSION Uncemented total hip arthroplasty is a viable option for the elderly patient. In this population sector, an excellent rate of implant survival can be expected. However, a significant increase of total complications in the octogenarian group could be detected, and was mainly caused by an elevated number of early postoperative complications. Osteoporosis turned out to be a strong risk factor in regard to complication-free survival. Surgeons should therefore be aware of this.
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Affiliation(s)
- Christoph Stihsen
- Department of Orthopaedic Surgery, Medical University of Vienna, Vienna, Austria
| | - Bernhard Springer
- Department of Orthopaedic Surgery, Medical University of Vienna, Vienna, Austria
| | - Elena Nemecek
- Department of Orthopaedic Surgery, Medical University of Vienna, Vienna, Austria
| | - Boris Olischar
- Department of Orthopaedic Surgery, Medical University of Vienna, Vienna, Austria
| | - Alexandra Kaider
- Centre for Medical Statistics, Informatics and Intelligent Systems, Section for Clinical Biometrics, Medical University of Vienna, Vienna, Austria
| | - Reinhard Windhager
- Department of Orthopaedic Surgery, Medical University of Vienna, Vienna, Austria
| | - Bernd Kubista
- Department of Orthopaedic Surgery, Medical University of Vienna, Vienna, Austria
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Shi J, Lee S, Pan HC, Mohammad A, Lin A, Guo W, Chen E, Ahn A, Li J, Ting K, Kwak JH. Association of Condylar Bone Quality with TMJ Osteoarthritis. J Dent Res 2017; 96:888-894. [PMID: 28476093 DOI: 10.1177/0022034517707515] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The etiology and treatment of temporomandibular joint (TMJ) osteoarthritis (TMJOA) remain complex and unclear. Based on clinical observations, we hypothesized that low condylar bone quality is significantly correlated with TMJOA and explored this association in a cross-sectional study with human patients. A total of 254 postmenopausal female participants were included in this study. Radiographic findings from cone beam computed tomography (CBCT) and clinical symptoms were used to classify each TMJ data sample as healthy control ( n = 124) or TMJOA ( n = 130). Condylar bone mineral density (BMD) (computed tomography Hounsfield unit [CT HU]) and bone volume fraction (BV/TV) were measured and modeled as predictors of healthy control versus TMJOA status in multilevel logistic regression analyses. Both CT HU (adjusted odds ratio [AOR] = 0.9989, interquartile odds ratio [IOR] = 0.4206) and BV/TV (AOR= 0.8096, IOR = 0.1769) were negatively associated with TMJOA ( P = 0.049, 0.011, respectively). To assess the diagnostic performance of CT HU and BV/TV for identification of TMJOA, receiver operating characteristic (ROC) curves were plotted. The estimated areas under the curve (AUC) were 0.6622 for BV/TV alone, 0.6074 for CT HU alone, and 0.7136 for CT HU and BV/TV together. The model incorporating CT HU and BV/TV together had a significantly higher AUC than the models using BV/TV alone ( P = 0.038) or HU alone ( P = 0.021). In conclusion, we found that low condylar bone quality was significantly correlated with TMJOA development and that condylar CT HU and BV/TV can be used together as a potential diagnostic tool for TMJOA. Careful clinical evaluation of the condyle coupled with appropriate radiographic interpretation would thus be critical for the early detection of TMJOA.
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Affiliation(s)
- J Shi
- 1 Division of Growth and Development and Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - S Lee
- 2 Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University, South Korea
| | - H C Pan
- 1 Division of Growth and Development and Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - A Mohammad
- 1 Division of Growth and Development and Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - A Lin
- 3 Institute for Digital Research and Education Statistical Consulting Group, University of California, Los Angeles, CA, USA
| | - W Guo
- 4 Department of Oral Radiology, West China Hospital of Stomatology, Chengdu, China
| | - E Chen
- 1 Division of Growth and Development and Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - A Ahn
- 5 Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
| | - J Li
- 6 Department of Oral & Maxillofacial Surgery, West China Hospital of Stomatology, Chengdu, China
| | - K Ting
- 1 Division of Growth and Development and Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - J H Kwak
- 1 Division of Growth and Development and Section of Orthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA.,7 Department of Orthodontics, College of Dentistry, Yonsei University, South Korea
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Abstract
PURPOSE OF REVIEW Osteoporosis and osteoarthritis are different diseases, with differences in risk factors, bone mineral density (BMD), BMI, phenotype, morbidity and mortality. We review new data on the role of bone metabolism in osteoporosis and osteoarthritis. RECENT FINDINGS The insights in the common convergent and divergent risk factors between osteoarthritis and osteoporosis have resulted in new findings on the role of BMD, BMI, falls, genetics and epigenetics in the pathophysiology of both diseases and on the increased fracture risk in osteoporosis and osteoarthritis. The relation between BMD, BMI and fracture risk in osteoarthritis is dependent on the stage, definition and location of the osteoarthritis and method of BMD measurement. It has been suggested that osteoarthritis should be further specified in terms of bone involvement. SUMMARY These new findings open the way to better understand the bone subtypes of osteoarthritis (osteoporotic, bone forming and erosive) and the common and different ways bone is involved in osteoporosis and osteoarthritis. Much can be expected from further prospective studies, when taking into account the heterogeneous nature of both osteoporosis and osteoarthritis.
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Evidence for Altered Canonical Wnt Signaling in the Trabecular Bone of Elderly Postmenopausal Women with Fragility Femoral Fracture. BIOMED RESEARCH INTERNATIONAL 2016; 2016:8169614. [PMID: 27999816 PMCID: PMC5143692 DOI: 10.1155/2016/8169614] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 10/07/2016] [Accepted: 10/30/2016] [Indexed: 01/07/2023]
Abstract
Wnt signaling, a major regulator of bone formation and homeostasis, might be involved in the bone loss of osteoporotic patients and the consequent impaired response to fracture. Therefore we analyzed Wnt-related, osteogenic, and adipogenic genes in bone tissue of elderly postmenopausal women undergoing hip replacement for either femoral fracture or osteoarthritis. Bone specimens derived from the intertrochanteric region of the femurs of 25 women with fracture (F) and 29 with osteoarthritis without fracture (OA) were analyzed. Specific miRNAs were analyzed in bone and in matched blood samples. RUNX2, BGP, and OPG showed lower expression in F than in OA samples, while OSX, OPN, BSP, and RANKL were not different. Inhibitory genes of Wnt pathway were lower in F versus OA. β-Catenin protein levels were higher in F versus OA, whereas its cotranscriptional regulator (Lef1) was lower in F group. miR-204, which targets RUNX2, and miR-130a, which inhibits PPARγ, were lower and higher, respectively, in F versus OA serum samples. The present study showed an inefficient Wnt signal transduction in F group despite higher β-catenin protein levels, consistent with the expected overall postfracture systemic activation towards osteogenesis. This transcriptional inefficiency could contribute to the osteoporotic bone fragility.
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