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Filley A, Baldwin A, Ben-Natan AR, Hansen K, Arora A, Xiao A, Hammond D, Chen C, Tweedt I, Rohde J, Link T, Berven S, Sawyer A. The influence of osteoporosis on mechanical complications in lumbar fusion surgery: a systematic review. NORTH AMERICAN SPINE SOCIETY JOURNAL 2024; 18:100327. [PMID: 38962714 PMCID: PMC11219986 DOI: 10.1016/j.xnsj.2024.100327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 07/05/2024]
Abstract
Background Adults undergoing spine surgery often have underlying osteoporosis, which may be a risk factor for postoperative complications. Although these associations have been described, osteoporosis remains profoundly underdiagnosed and undertreated in the spine surgery population. A thorough, comprehensive systematic review summarizing the relationships between bone mineral density (BMD) and specific complications of lumbar fusion surgery could be a valuable resource for raising awareness and supporting clinical practice changes. Methods PubMed, Embase, and Web of Science databases were searched for original clinical research articles reporting on BMD, or surrogate measure, as a predictor of complications in adults undergoing elective lumbar fusion for degenerative disease or deformity. Endpoints included cage subsidence, screw loosening, pseudarthrosis, vertebral fracture, junctional complications, and reoperation. Results A total of 71 studies comprising 12,278 patients were included. Overall, considerable heterogeneity in study populations, methods of bone health assessment, and definition and evaluation of clinical endpoints precluded meta-analysis. Nevertheless, low BMD was associated with higher rates of implant failures like cage subsidence and screw loosening, which were often diagnosed with concomitant pseudarthrosis. Osteoporosis was also a significant risk factor for proximal junctional kyphosis, particularly due to fracture. Many studies found surgical site-specific BMD to best predict focal complications. Functional outcomes were inconsistently addressed. Conclusions Our findings suggest osteoporosis is a significant risk factor for mechanical complications of lumbar fusion. These results emphasize the importance of preoperative osteoporosis screening, which allows for medical and surgical optimization of high-risk patients. This review also highlights current practical challenges facing bone health evaluation in patients undergoing elective surgery. Future prospective studies using standardized methods are necessary to strengthen existing evidence, identify optimal predictive thresholds, and establish specialty-specific practice guidelines. In the meantime, an awareness of the surgical implications of osteoporosis and utility of preoperative screening can provide for more informed, effective patient care.
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Affiliation(s)
- Anna Filley
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
| | - Avionna Baldwin
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
| | - Alma Rechav Ben-Natan
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
| | - Keith Hansen
- Department of General Surgery, University of California, San Francisco, CA, USA
| | - Ayush Arora
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
| | - Angel Xiao
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
| | - Deana Hammond
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
| | - Caressa Chen
- Loyola University Medical Center; Maywood IL, USA
| | - Isobel Tweedt
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
- Western University of Health Sciences College of Osteopathic Medicine of the Pacific, USA
| | - James Rohde
- Department of Integrative Biology, University of California Berkeley, USA
| | - Thomas Link
- Department of Radiology and Biomedical Imagery, University of California, San Francisco, CA, USA
| | - Sigurd Berven
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
| | - Aenor Sawyer
- Department of Orthopaedic Surgery, University of California, 435 Warren Drive, Apt 11, San Francisco, CA, USA
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Kocijan R, Haschka J, Kraus DA, Pfender A, Frank S, Zwerina J, Behanova M. Perspectives on Fracture Liaison Service in Austria: clinical and economic considerations. Front Endocrinol (Lausanne) 2024; 15:1349579. [PMID: 38706701 PMCID: PMC11066262 DOI: 10.3389/fendo.2024.1349579] [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: 12/04/2023] [Accepted: 04/03/2024] [Indexed: 05/07/2024] Open
Abstract
Osteoporosis is a widespread disease and affects over 500,000 people in Austria. Fragility fractures are associated with it and represent not only an individual problem for the patients, but also an enormous burden for the healthcare system. While trauma surgery care is well provided in Vienna, there is an enormous treatment gap in secondary prevention after osteoporotic fracture. Systematic approaches such as the Fracture Liaison Service (FLS) aim to identify patients with osteoporosis after fracture, to clarify diagnostically, to initiate specific therapy, and to check therapy adherence. The aim of this article is to describe the practical implementation and operational flow of an already established FLS in Vienna. This includes the identification of potential FLS inpatients, the diagnostic workup, and recommendations for an IT solution for baseline assessment and follow-up of FLS patients. We summarize the concept, benefits, and limitations of FLS and provide prospective as well as clinical and economic considerations for a city-wide FLS, managed from a central location. Future concepts of FLS should include artificial intelligence for vertebral fracture detection and simple IT tools for the implementation of FLS in the outpatient sector.
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Affiliation(s)
- Roland Kocijan
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
- Metabolic Bone Diseases Unit, School of Medicine, Sigmund Freud University, Vienna, Austria
| | - Judith Haschka
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
| | - Daniel Arian Kraus
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
| | - Aaron Pfender
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
- Metabolic Bone Diseases Unit, School of Medicine, Sigmund Freud University, Vienna, Austria
| | - Stefan Frank
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
- AUVA Traumazentrum Wien, Standort Meidling Abteilung für Traumatologie, Vienna, Austria
| | - Jochen Zwerina
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
| | - Martina Behanova
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of Oesterreichische Gesundheitskasse (OEGK) and Allgemeine Unfallversicherungsanstalt (AUVA) Trauma Center Meidling, 1st Medical Department Hanusch Hospital, Vienna, Austria
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Prout T, Pelzl C, Christensen EW, Binkley N, Schousboe J, Krueger D. Dual-energy X-ray Absorptiometry Trends Among US Medicare Beneficiaries: 2005-2019. J Clin Densitom 2024; 27:101456. [PMID: 38128449 DOI: 10.1016/j.jocd.2023.101456] [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: 08/18/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Bone density measured using dual-energy X-ray absorptiometry (DXA) volume, performance site and interpreters have changed in the US since 2005. The purpose of this report is to provide updated trends in DXA counts, rates, place of service and interpreter specialty for the Medicare fee-for-service population. METHODS The 100 % Medicare Physician/Supplier Procedure Summary Limited Data Set between 2005-2019 was used. DXA counts and annual rates per 10,000 Medicare beneficiaries were calculated. Annual distributions of scan performance location, provider type and interpreter specialty were described. Place of service trends (significance assigned at p < 0.05) of the mean annual share of DXA utilization were identified using linear regression. RESULTS Annual DXA use per 10,000 beneficiaries peaked in 2008 at 832, declined to 656 in 2015 then increased (p < 0.001) by 38 per year to 807 in 2019. From 2005 to 2019 DXA performance in office settings declined from 70.7 % to 47.2 %. Concurrently, outpatient hospital (OH) DXA increased from 28.6 % to 51.7 %. In 2005, 43.5 % of DXAs were interpreted by radiologists. This increased (p < 0.001) in the office and OH, averaging 0.3 and 2.0 percentage points per year respectively, reaching 73.5 % in 2019. Interpretation by most non-radiologist specialties declined (p < 0.001). CONCLUSIONS From 2005-2019, total DXA use among Medicare beneficiaries declined reaching a nadir in 2015 then returned to 2005 levels by 2019. Office DXA declined since 2005 with 51.7 % of all scans now occurring in an OH setting. The proportion of DXAs interpreted by radiologists increased over time, reaching 73.5 % in 2019.
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Affiliation(s)
- Tyler Prout
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Casey Pelzl
- Harvey L. Neiman Health Policy Institute, Reston, VA, USA
| | - Eric W Christensen
- Harvey L. Neiman Health Policy Institute, Reston, VA, USA; University of Minnesota, Health Services Management, St. Paul, MN, USA
| | - Neil Binkley
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA
| | - John Schousboe
- Park Nicollet Clinic & Health Partners Institute, Minneapolis, MN, USA
| | - Diane Krueger
- University of Wisconsin, Osteoporosis Clinical Research Program, Madison, WI, USA.
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