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Agaronnik ND, Giberson-Chen C, Bono CM. Using advanced imaging to measure bone density, compression fracture risk, and risk for construct failure after spine surgery. Spine J 2024; 24:1135-1152. [PMID: 38437918 DOI: 10.1016/j.spinee.2024.02.018] [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: 07/04/2023] [Revised: 01/22/2024] [Accepted: 02/23/2024] [Indexed: 03/06/2024]
Abstract
Low bone mineral density (BMD) can predispose to vertebral body compression fractures and postoperative instrumentation failure. DEXA is considered the gold standard for measurement of BMD, however it is not obtained for all spine surgery patients preoperatively. There is a growing body of evidence suggesting that more routinely acquired spine imaging studies such as computed tomography (CT) and magnetic resonance imaging (MRI) can be opportunistically used to measure BMD. Here we review available studies that assess the validity of opportunistic screening with CT-derived Hounsfield Units (HU) and MRI-derived vertebral vone quality (VBQ) to measure BMD of the spine as well the utility of these measures in predicting postoperative outcomes. Additionally, we provide screening thresholds based on HU and VBQ for prediction of osteopenia/ osteoporosis and postoperative outcomes such as cage subsidence, screw loosening, proximal junctional kyphosis, and implant failure.
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Affiliation(s)
| | - Carew Giberson-Chen
- Harvard Combined Orthopaedic Residency Program, 55 Fruit Street, Yawkey Building, Suite 3A, Boston, MA 02114
| | - Christopher M Bono
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115; Harvard Combined Orthopaedic Residency Program, 55 Fruit Street, Yawkey Building, Suite 3A, Boston, MA 02114; Department of Orthopaedic Surgery, Massachusetts General Hospital, 55 Fruit Street, Yawkey Building, Suite 3A, Boston, MA 02114.
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Anish RJ, Nair A. Osteoporosis management-current and future perspectives - A systemic review. J Orthop 2024; 53:101-113. [PMID: 38495575 PMCID: PMC10940894 DOI: 10.1016/j.jor.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 02/23/2024] [Accepted: 03/01/2024] [Indexed: 03/19/2024] Open
Abstract
Introduction Osteoporosis is a geriatric metabolic ailment distinguished by low bone mineral density (BMD) and strength with enhanced micro-architectural retrogression of the extracellular matrix, further increasing bone fragility risk. Osteoporotic fractures and associated complications become common in women and men after 55 and 65 years, respectively. The loss in BMD markedly enhances the risk of fracture, non-skeletal injury, and subsequent pain, adversely affecting the quality of life. Methods Data summarised in this review were sourced and summarised, including contributions from 2008 to 2023, online from scientific search engines, based on scientific inclusion and exclusion criteria. Results Biochemical serum markers such as BALP, collagen, osteocalcin, and cathepsin-K levels can reveal the osteoporotic status. DEXA scan techniques evaluate the whole body's BMD and bone mineral content (BMC), crucial in osteoporosis management. Anabolic and anti-osteoporotic agents are commonly used to enhance bone formation, minimize bone resorption, and regulate remodelling. The challenges and side effects of drug therapy can be overcome by combining the various drug moieties. Conclusion The current review discusses the management protocol for osteoporosis, ranging from lifestyle modification, including physical exercise, pharmaceutical approaches, drug delivery applications, and advanced therapeutic possibilities of AI and machine learning techniques to reduce osteoporosis complications and fracture risk.
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Affiliation(s)
- Rajamohanan Jalaja Anish
- Department of Biochemistry, University of Kerala, Kariyavattom Campus, Trivandrum, 695581, India
| | - Aswathy Nair
- Department of Biochemistry, University of Kerala, Kariyavattom Campus, Trivandrum, 695581, India
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Katiyar P, Reyes J, Coury J, Lombardi J, Sardar Z. Preoperative Optimization for Adult Spinal Deformity Surgery: A Systematic Review. Spine (Phila Pa 1976) 2024; 49:304-312. [PMID: 37678375 DOI: 10.1097/brs.0000000000004823] [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] [Received: 04/27/2023] [Accepted: 08/30/2023] [Indexed: 09/09/2023]
Abstract
STUDY DESIGN Systematic review. OBJECTIVE The purpose of this review is to identify modifiable risk factors in patients undergoing adult spinal deformity surgery and compile literature recommendations for the preoperative optimization of these risk factors. SUMMARY OF BACKGROUND DATA Optimization of modifiable risk factors not only benefits the patient but also lessens resource and cost burdens on the health care system, allowing for better quality and value-based care. There is limited but applicable literature discussing preoperative optimization in adult spinal deformity surgery patients specifically. METHODS We searched PubMed for studies that looked at one of the variables of interest (eg, osteoporosis, prehabilitation and functional status, multidisciplinary preoperative screening, infection, obesity, nutrition, smoking, diabetes, blood loss, chronic opioid use, and psychosocial factors) in adult patients with spinal deformity according to Preferred Reporting Items for Systematic Reviews and Meta-Analyse guidelines. RESULTS Seventy studies were included in the final review and synthesis of information. Guidelines and recommendations from these studies were compared and compiled into evidence-based action items for preoperative optimization of modifiable risk factors before adult spinal deformity surgery. CONCLUSIONS While the approach of preoperative optimization of modifiable risk factors may incur additional planning efforts and patient care time, it has the potential to significantly reduce perioperative complications and reduce morbidity and mortality during surgery, thus allowing for improved outcomes, increased quality of life, and satisfaction from this patient population. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- Prerana Katiyar
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Justin Reyes
- Och Spine Hospital at Columbia New York Presbyterian Hospital, New York, NY
| | - Josephine Coury
- Och Spine Hospital at Columbia New York Presbyterian Hospital, New York, NY
| | - Joseph Lombardi
- Och Spine Hospital at Columbia New York Presbyterian Hospital, New York, NY
| | - Zeeshan Sardar
- Och Spine Hospital at Columbia New York Presbyterian Hospital, New York, NY
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Rasouli JJ, Steinberger J. Editorial: Optimization of spine surgery outcomes in the pre-, peri-, and postoperative settings. Front Surg 2023; 10:1235095. [PMID: 37671033 PMCID: PMC10476094 DOI: 10.3389/fsurg.2023.1235095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 06/29/2023] [Indexed: 09/07/2023] Open
Affiliation(s)
| | - Jeremy Steinberger
- Department of Neurosurgery and Orthopedics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Director, Minimally Invasive Spine Surgery, Department of Neurosurgery, Mount Sinai Health Systems, New York, NY, United States
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Fan ZQ, Yan XA, Li BF, Shen E, Xu X, Wang H, Zhuang Y. Prevalence of osteoporosis in spinal surgery patients older than 50 years: A systematic review and meta-analysis. PLoS One 2023; 18:e0286110. [PMID: 37228067 DOI: 10.1371/journal.pone.0286110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 05/09/2023] [Indexed: 05/27/2023] Open
Abstract
INTRODUCTION In spine surgery, poor bone condition is associated with several complications like adjacent segment fractures, proximal junctional kyphosis, and screw loosening. Our study explored the prevalence of osteoporosis in spinal surgery patients older than 50 years through a systematic review and meta-analysis. METHODS This systematic review and meta-analysis were conducted according to the PRISMA criteria. Three electronic databases, including PubMed, EMBASE, and Web of Science, were searched from inception to August 2022. We used the random-effects model to calculate the overall estimates, and the heterogeneity was measured using Cochran's Q and I2 tests. Meta-regression and subgroup analyses were used to determine the source of the heterogeneity. RESULTS Based on the inclusion and criteria, we chose ten studies with 2958 individuals for our analysis. The prevalence of osteoporosis, osteopenia, and osteoporosis/osteopenia in the spinal surgery patients was 34.2% (95%CI: 24.5%-44.6%), 43.5% (95%CI: 39.8%-47.2%), and 78.7% (95%CI: 69.0%-87.0%), respectively. Regarding different diagnoses, the prevalence was highest in patients with lumbar scoliosis (55.8%; 95%CI: 46.8%-64.7%) and the lowest in patients with cervical disc herniation (12.9%; 95%CI: 8.1%-18.7%). In age groups 50-59, 50-69,70-79, the prevalence was 27.8%, 60.4%, 75.4% in females, and 18.9%, 17.4%, 26.1% in males. CONCLUSIONS This study showed a high prevalence of osteoporosis in patients undergoing spine surgery, especially in females, people of older age, and patients who received degenerative scoliosis and compression fractures. Current osteoporosis screening standards for patients undergoing spine surgery may not be adequate. Orthopedic specialists should make more efforts regarding preoperative osteoporosis screening and treatment.
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Affiliation(s)
- Zhi-Qiang Fan
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Xin-An Yan
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Bao-Feng Li
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Erdong Shen
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Xin Xu
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Hu Wang
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yan Zhuang
- Department of Pelvic and Acetabular Surgery, HongHui Hospital, Xi'an Jiaotong University, Xi'an, China
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Shen Y, Sardar ZM, Chase H, Coury JR, Cerpa M, Lenke LG. Predicting Bone Health Using Machine Learning in Patients undergoing Spinal Reconstruction Surgery. Spine (Phila Pa 1976) 2023; 48:120-126. [PMID: 36302158 DOI: 10.1097/brs.0000000000004511] [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] [Received: 05/14/2022] [Accepted: 09/29/2022] [Indexed: 11/05/2022]
Abstract
STUDY DESIGN Retrospective study of data collected prospectively. OBJECTIVE The goal of this study is to create a predictive model of preoperative bone health status in adult patients undergoing adult spinal reconstructive (ASR) surgery using machine learning (ML). SUMMARY OF BACKGROUND DATA Despite understanding that bone health impacts spine surgery outcomes, spine surgeons lack the tools to risk stratify patients preoperatively to determine who should undergo bone health screening. An ML approach mines patterns in data to determine the risk for poor bone health in ASR patients. MATERIALS AND METHODS Two hundred and eleven subjects over the age of 30 with dual energy X-ray absorptiometry scans, who underwent spinal reconstructive surgery were reviewed. Data was collected by manual and automated collection from the electronic health records. The Weka software was used to develop predictive models for multiclass classification of healthy, osteopenia, and osteoporosis (OPO) bone status. Bone status was labeled according to the World Health Organization (WHO) criteria using dual energy X-ray absorptiometry T scores. The accuracy, sensitivity, specificity, and area under the receiver operating curve (AUC) were calculated. The model was evaluated on a test set of unseen data for generalizability. RESULTS The prevalence of OPO was 23.22% and osteopenia was 52.61%. The random forest model achieved optimal performance with an average sensitivity of 0.81, specificity of 0.95, and AUC of 0.96 on the training set. The model yielded an averaged sensitivity of 0.64, specificity of 0.78, and AUC of 0.69 on the test set. The model was best at predicting OPO in patients. Numerous patient features exhibited predictive value, such as body mass index, insurance type, serum sodium level, serum creatinine level, history of bariatric surgery, and the use of medications such as selective serotonin reuptake inhibitors. CONCLUSION Predicting bone health status in ASR patients is possible with an ML approach. Additionally, data mining using ML can find unrecognized risk factors for bone health in ASR surgery patients.
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Affiliation(s)
- Yong Shen
- Department of Orthopedic Surgery, Columbia University Medical Center, The Spine Hospital at New York Presbyterian
| | - Zeeshan M Sardar
- Department of Orthopedic Surgery, Columbia University Medical Center, The Spine Hospital at New York Presbyterian
| | - Herbert Chase
- Department of Biomedical Informatics, Columbia University, New York City, NY
| | - Josephine R Coury
- Department of Orthopedic Surgery, Columbia University Medical Center, The Spine Hospital at New York Presbyterian
| | - Meghan Cerpa
- Department of Orthopedic Surgery, Columbia University Medical Center, The Spine Hospital at New York Presbyterian
| | - Lawrence G Lenke
- Department of Orthopedic Surgery, Columbia University Medical Center, The Spine Hospital at New York Presbyterian
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Lewiecki EM, Bilezikian JP, Binkley N, Bouxsein ML, Bukata SV, Dempster DW, Drake MT, McClung MR, Miller PD, Rosenthal E, Tosi LL. Proceedings of the 2022 Santa Fe Bone Symposium: Current Concepts in the Care of Patients with Osteoporosis and Metabolic Bone Diseases. J Clin Densitom 2022; 25:649-667. [PMID: 36280582 DOI: 10.1016/j.jocd.2022.10.002] [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: 10/08/2022] [Accepted: 10/12/2022] [Indexed: 11/11/2022]
Abstract
The 22nd Annual Santa Fe Bone Symposium (SFBS) was a hybrid meeting held August 5-6, 2022, with in-person and virtual attendees. Altogether, over 400 individuals registered, a majority of whom attended in-person, representing many states in the USA plus 7 other countries. The SFBS included 10 plenary presentations, 2 faculty panel discussions, satellite symposia, Bone Health & Osteoporosis Foundation Fracture Liaison Service Boot Camp, and a Project ECHO workshop, with lively interactive discussions for all events. Topics of interest included fracture prevention at different stages of life; how to treat and when to change therapy; skeletal health in cancer patients; advanced imaging to assess bone strength; the state of healthcare in the USA; osteosarcopenia; vitamin D update; perioperative bone health care; new guidelines for managing primary hyperparathyroidism; new concepts on bone modeling and remodeling; and an overview on the care of rare bone diseases, including hypophosphatasia, X-linked hypophosphatemia, tumor induced osteomalacia, osteogenesis imperfecta, fibrodysplasia ossificans progressiva, and osteopetrosis. The SFBS was preceded by the Santa Fe Fellows Workshop on Osteoporosis and Metabolic Bone Diseases, a collaboration of the Endocrine Fellows Foundation and the Osteoporosis Foundation of New Mexico. From the Workshop, 4 participating fellows were selected to give oral presentations at the bone symposium. These proceedings represent the clinical highlights of 2022 SFBS presentations and the discussions that followed, all with the aim of optimizing skeletal health and minimizing the consequences of fragile bones.
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Affiliation(s)
- E Michael Lewiecki
- New Mexico Clinical Research & Osteoporosis Center, Albuquerque, NM, USA.
| | - John P Bilezikian
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Neil Binkley
- University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | | | | | - David W Dempster
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | | | - Michael R McClung
- Oregon Osteoporosis Center, Portland, OR, USA; Mary MacKillop Center for Health Research, Australian Catholic University, Melbourne, VIC, Australia
| | - Paul D Miller
- University of Colorado Health Sciences Center, Denver, CO, USA
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Lewiecki EM, Anderson PA, Bilezikian JP, Binkley N, Cheung AM, Imel EA, Krueger D, McClung MR, Miller PD, Rothman MS. Proceedings of the 2021 Santa Fe Bone Symposium: Advances in the Management of Osteoporosis and Metabolic Bone Diseases. J Clin Densitom 2022; 25:3-19. [PMID: 34785102 DOI: 10.1016/j.jocd.2021.10.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 12/29/2022]
Abstract
The 2021 Virtual Santa Fe Bone Symposium was held August 5-8, with over 300 registered attendees from throughout the USA, and at least 18 other countries. This annual meeting focuses on applying advances in basic science and clinical research to the care of patients with osteoporosis and those with inherited and acquired disorders of bone metabolism. Participants represented a broad range of medical disciplines with an interest in skeletal diseases. These included physicians of many specialties and practice settings, fellows, advanced practice providers, fracture liaison service (FLS) coordinators, clinical researchers, and bone density technologists. There were lectures, case presentations, and panel discussions, all followed by interactive discussions. Breakout sessions included an FLS workshop, Bone Health TeleECHO workshop, special interest groups, meet-and-greet the faculty, and satellite symposia. The agenda covered topics of interest such as strategies for the use of osteoanabolic therapy, prevention of periprosthetic fractures, management of atypical femur fractures, what we know and don't know about vitamin D, advances in the use of dual-energy X-ray absorptiometry in the assessment of skeletal health, controversies and conundrums in osteoporosis care, skeletal health in transgender patients, management of patients with hypophosphatasia and hypophosphatemia, and treat-to-target approaches for managing patients with osteoporosis. The Proceedings of the 2021 Virtual Santa Fe Bone Symposium consists of highlights of each presentation with current strategies for optimizing the care of patients with skeletal disorders.
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Affiliation(s)
- E Michael Lewiecki
- New Mexico Clinical Research & Osteoporosis Center, Albuquerque, NM, USA.
| | - Paul A Anderson
- University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - John P Bilezikian
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Neil Binkley
- University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | | | - Erik A Imel
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Diane Krueger
- University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Michael R McClung
- Oregon Osteoporosis Center, Portland, OR, USA, and Mary MacKillop Center for Health Research, Australian Catholic University, Melbourne, Australia
| | | | - Micol S Rothman
- University of Colorado Health School of Medicine, Aurora, CO, USA
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Impact of preoperative treatment of osteoporosis on re-operations, complications and health care utilization in patients undergoing thoraco-lumbar spine fusions. A 5-year national database analysis. J Clin Neurosci 2021; 93:122-129. [PMID: 34656235 DOI: 10.1016/j.jocn.2021.09.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 07/27/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Identify the impact of preoperative treatment of Osteoporosis (OP) on reoperation rates, complications and healthcare utilization following thoraco-lumbar (TL) spine fusions. MATERIALS AND METHODS We used ICD9/10 and CPT codes to extract data from MarketScan (2000-2018). Patients were divided into two groups based on preoperative treatment of OP within one year prior to the index spinal fusion: medication (m-OP) cohort and non-medication (nm-OP) cohort. Outcomes (re-operation rates, re-admission, complications, healthcare utilization) were analyzed at 1-, 12-, 24- and 60-months. RESULTS Of 3606 patients, 65% (n = 2330) of patients did not receive OP medications (nm-OP). At index hospitalization, there were no difference in LOS (median nm-OP: 3 days vs. m-OP:4 days), discharge to home (nm-OP 80% vs. m-OP 75%) and complications (nm-OP 13% vs. m-OP 12%). Reoperation rates were not different among the cohorts at 1- (nm-OP 5.7% vs. m-OP 4.2%), 2- (nm-OP 9.4% vs. m-OP 7.8) and 5 years (nm-OP 16.9% vs. m-OP 14.8%). Patients in m-OP cohort incurred higher overall median payments at 1 year ($17,866 vs. $ 16,010), 2 years ($38,634 vs. $34,454) and 5 years ($94,797 vs. $91,072) compared to nm-OP cohort. CONCLUSION Preoperative treatment of OP had no impact on complications, LOS, discharge disposition following TL fusions at index hospitalization. Similarly, no impact of preoperative treatment was noted in terms of reoperation rates at 12-, 24- and 60 months following the index spine fusion. Patients who received preoperative treatment for OP incurred higher health care utilization at 12-, 24- and 60 months following surgery.
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Witham TF, Cottrill E, Pennington Z. Editorial. Is preoperative bone health assessment and optimization in spine surgery a good idea? Neurosurg Focus 2020; 49:E3. [PMID: 32738807 DOI: 10.3171/2020.5.focus20414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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