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Fogel G, Musie J, Phillips TR, Shonnard M, Youssef S, Hirsch JA, Beall DP. Assessment and management of patients developing low energy vertebral compression fractures following basivertebral nerve ablation. PAIN MEDICINE (MALDEN, MASS.) 2024; 25:249-251. [PMID: 37756701 DOI: 10.1093/pm/pnad132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 09/29/2023]
Affiliation(s)
- Guy Fogel
- Christus Santa Rosa Spine Clinic, San Antonio, TX 78229, United States
| | - Jacob Musie
- University of Texas at San Antonio, San Antonio, TX 78249, United States
| | | | - Matthew Shonnard
- Baylor Scott & White PM&R Department, Baylor Institute for Rehabilitation, Dallas, TX 75246, United States
| | - Salma Youssef
- University College Dublin School of Medicine, University College Dublin, Belfield, Dublin 4D04 V1W8, Ireland
| | - Joshua A Hirsch
- Massachusetts General Hospital, Harvard Medical School Department of Interventional Neuroradiology, Boston, MA 02114, United States
| | - Douglas P Beall
- Comprehensive Specialty Care, Edmond, OK 73034, United States
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Perazza LR, Brown-Borg HM, Thompson LV. Physiological Systems in Promoting Frailty. Compr Physiol 2022; 12:3575-3620. [PMID: 35578945 DOI: 10.1002/cphy.c210034] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Frailty is a complex syndrome affecting a growing sector of the global population as medical developments have advanced human mortality rates across the world. Our current understanding of frailty is derived from studies conducted in the laboratory as well as the clinic, which have generated largely phenotypic information. Far fewer studies have uncovered biological underpinnings driving the onset and progression of frailty, but the stage is set to advance the field with preclinical and clinical assessment tools, multiomics approaches together with physiological and biochemical methodologies. In this article, we provide comprehensive coverage of topics regarding frailty assessment, preclinical models, interventions, and challenges as well as clinical frameworks and prevalence. We also identify central biological mechanisms that may be at play including mitochondrial dysfunction, epigenetic alterations, and oxidative stress that in turn, affect metabolism, stress responses, and endocrine and neuromuscular systems. We review the role of metabolic syndrome, insulin resistance and visceral obesity, focusing on glucose homeostasis, adenosine monophosphate-activated protein kinase (AMPK), mammalian target of rapamycin (mTOR), and nicotinamide adenine dinucleotide (NAD+ ) as critical players influencing the age-related loss of health. We further focus on how immunometabolic dysfunction associates with oxidative stress in promoting sarcopenia, a key contributor to slowness, weakness, and fatigue. We explore the biological mechanisms involved in stem cell exhaustion that affect regeneration and may contribute to the frailty-associated decline in resilience and adaptation to stress. Together, an overview of the interplay of aging biology with genetic, lifestyle, and environmental factors that contribute to frailty, as well as potential therapeutic targets to lower risk and slow the progression of ongoing disease is covered. © 2022 American Physiological Society. Compr Physiol 12:1-46, 2022.
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Affiliation(s)
- Laís R Perazza
- Department of Physical Therapy and Athletic Training, Boston University, Boston, Massachusetts, USA
| | - Holly M Brown-Borg
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - LaDora V Thompson
- Department of Physical Therapy and Athletic Training, Boston University, Boston, Massachusetts, USA
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Fiani B, Newhouse A, Sarhadi KJ, Arshad M, Soula M, Cathel A. Special Considerations to Improve Clinical Outcomes in Patients with Osteoporosis Undergoing Spine Surgery. Int J Spine Surg 2021; 15:386-401. [PMID: 33900998 PMCID: PMC8059385 DOI: 10.14444/8050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Osteoporosis is a condition that is commonly encountered, with increasing diagnosis by the medical community with the aging population. Osteoporosis leaves patients susceptible to fragility fractures in the vertebrae and is also associated with degenerative changes, both of which may require intervention from a spine surgeon. The goal of this review is to concisely outline special nonoperative adjuncts, as well as preoperative, intraoperative, and postoperative considerations of osteoporotic patients undergoing spine intervention. METHODS A literature analysis was completed for this narrative review. A database search of PubMed and Google Scholar was conducted using "osteoporosis" combined with "spine," "spine surgery," and "spinal fusion" without exclusion based on publication date. Articles were screened to exclude duplicate articles and screened for their full text and English language availability. RESULTS The database search yielded recent publications from which the narrative review was completed. CONCLUSIONS Preoperatively, screening is traditionally completed with dual-energy x-ray absorptiometry (DEXA). Pharmacological therapy modalities currently include teriparatide, raloxifene, denosumab, bisphosphonates, and calcitonin. In order to prevent operative complications associated with osteoporosis, surgeons have found success in increasing the diameter and the length of pedicle screws, limiting pedicle tapping, achieving bicortical or even tricortical purchase, augmenting with polymethyl methacrylate, using iliosacral stabilization, preventing positive sagittal balance, and using adequate fusion products when necessary. Postoperatively, it is important to implant a care plan that includes adequate pain control and necessary care, and to understand risks associated with falls may increase risk of postoperative fragility fractures as well as instrumentation displacement. At this time there are no recommendations in regard to bracing in the postoperative setting. CLINICAL RELEVANCE This review article outlines the most current evidence-based medicine with regard to considerations in spine surgery of the osteoporotic patient, and aims to bring about new questions to be investigated in that paradigm.
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Affiliation(s)
- Brian Fiani
- Department of Neurosurgery, Desert Regional Medical Center, Palm Springs, California
| | - Alexander Newhouse
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois
| | | | - Mohammad Arshad
- Department of Neurosurgery, Desert Regional Medical Center, Palm Springs, California
| | - Marisol Soula
- New York University School of Medicine, New York University, New York, New York
| | - Alessandra Cathel
- Department of Neurosurgery, Desert Regional Medical Center, Palm Springs, California
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The muscle to bone axis (and viceversa): An encrypted language affecting tissues and organs and yet to be codified? Pharmacol Res 2021; 165:105427. [PMID: 33453372 DOI: 10.1016/j.phrs.2021.105427] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/20/2020] [Accepted: 01/10/2021] [Indexed: 12/15/2022]
Abstract
Skeletal muscles and bone tissue form the musculoskeletal apparatus, a complex system essential for the voluntary movement. The loss of muscle mass and muscle strength is often associated with a loss of bone mass, in a "hazardous duet" which implies the co-existence of sarcopenia-osteoporosis and exposes patients to a deterioration in quality of life and increased mortality. From the mechanostat theory to the recent definition of the osteosarcopenia syndrome, many aspects of muscle-bone interaction have been investigated in recent decades. The mechanical interaction is now accepted, considering the close anatomical relationship between the two tissues, however, much remains to be discovered regarding the biochemical muscle-bone interaction. Skeletal muscle has been defined as an endocrine organ capable of exerting an action on other tissues. Myokines, bioactive polypeptides released by the muscle, could represent the encrypted message in the communication between muscle and bone. These two tissues have a reciprocal influence on their metabolisms and respond in a similar way to the multiple external factors. The aim of this review is to stimulate the understanding of the encrypted language between muscle and bone, highlighting the role of catabolic pathways and oxidative stress in the musculoskeletal apparatus to elucidate the shared mechanisms and the similarity of response to the same stimuli by different tissues. Our understanding of muscle-bone interactions it could be useful to identify and develop new strategies to treat musculoskeletal diseases, together with pharmacological, nutritional and exercise-based approaches, which are already in use for the treatment of these pathologies.
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Gomez F, Curcio CL, Brennan-Olsen SL, Boersma D, Phu S, Vogrin S, Suriyaarachchi P, Duque G. Effects of the falls and fractures clinic as an integrated multidisciplinary model of care in Australia: a pre-post study. BMJ Open 2019; 9:e027013. [PMID: 31362962 PMCID: PMC6678026 DOI: 10.1136/bmjopen-2018-027013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVES Traditionally, the approach to fracture prevention has focused on increasing bone mineral density while typically lacking a combined clinical approach to falls prevention and vice versa. To resolve this gap, we implemented and evaluated a novel combined model of care to the assessment and prevention of osteoporosis and falls in the outpatients setting. SETTING Falls and Fractures Clinic (FFC) at Nepean Hospital (Penrith, NSW, Australia). PARTICIPANTS Pre-effects and posteffects assessment of 106 community-dwelling older patients referred from the community. PRIMARY AND SECONDARY OUTCOME MEASURES Previous falls and fractures were recorded. Clinical, functional and paraclinical evaluations were performed. A comprehensive multidisciplinary care plan was then tailored based on the presence of risk factors. Six-month follow-ups were performed assessing the incidence of falls and fractures, change in risk factors for falls and level of risk, with the recommended plan. RESULTS We report that 97% of patients had a fall in the preceding 6 months, 47.6% of whom experienced a fracture from the fall. Furthermore, 64% of patients had a marked risk for falling by Physiological Profile Assessment (PPA), 90% had intermediate-high 10-year probability of fracture according to FRAX and 78% had sarcopenia. At 6-month follow-up, we observed more than an 80% reduction in falls and recurrent falls, and 50% reduction in fractures. In addition, 65% of patients had reduced PPA and a 57% reduction in 10-year fracture probability. CONCLUSIONS In conclusion, we suggest that a multidisciplinary FFC can provide substantial reductions in falls and fractures for high-risk older people, even over a relatively short 6-month time period. The current model of service provision via traditional falls clinics could be significantly improved by encompassing fracture prevention within the multifactorial approach to interventions.
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Affiliation(s)
- Fernando Gomez
- Research Group on Geriatrics and Gerontology, Faculty of Health Sciences, Universidad de Caldas, Manizales, Colombia
| | - Carmen Lucia Curcio
- Research Group on Geriatrics and Gerontology, Faculty of Health Sciences, Universidad de Caldas, Manizales, Colombia
| | - Sharon Lee Brennan-Olsen
- Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St Albans, Victoria, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St Albans, Victoria, Australia
| | - Derek Boersma
- Sydney Medical School Nepean, University of Sydney, Sydney, New South Wales, Australia
| | - Steven Phu
- Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St Albans, Victoria, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St Albans, Victoria, Australia
| | - Sara Vogrin
- Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St Albans, Victoria, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St Albans, Victoria, Australia
| | - Pushpa Suriyaarachchi
- Sydney Medical School Nepean, University of Sydney, Sydney, New South Wales, Australia
| | - Gustavo Duque
- Medicine-Western Health, Melbourne Medical School, The University of Melbourne, St Albans, Victoria, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St Albans, Victoria, Australia
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Sidani MA, Reed BC, Steinbauer J. Geriatric Care Issues. PHYSICIAN ASSISTANT CLINICS 2019. [DOI: 10.1016/j.cpha.2018.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Falls are a known public health problem, and there is increasing recognition of the importance of perioperative falls for risk prediction and quality assessment. Our objective was to review existing literature regarding the occurrence, injuries, and risk factors of preoperative and postoperative falls. A systematized search of PubMed entries between 1947 and November 2015 produced 24 articles that met inclusion criteria. Most studied orthopaedic surgery patients older than 65 yr. Four were rated 'good' quality. Interrater reliability for the quality assessment was moderate (κ = 0.77). In the 3-12 months before surgery, the proportion of preoperative patients who fell ranged from 24 to 48%. Injuries were common (70%). The rate of postoperative falls ranged from 0.8 to 16.3 per 1000 person-days, with a gradual decline in the months after surgery. Injuries from postoperative falls occurred in 10-70% of fallers, and 5-20% experienced a severe injury. Risk factors were not well studied. Prospective studies reported a higher percentage of falls and fall-related injuries than retrospective studies, suggesting that there may be underdetection of falls and injuries with retrospective studies. Perioperative falls were more common than falls reported in the general community, even up to 12 months after surgery. Surgery-related falls may therefore occur beyond the hospitalization period. Future studies should use a prospective design, validated definitions, and broader populations to study perioperative falls. In particular, investigations of risk factors and follow-up after hospitalization are needed. REGISTRY NUMBER PROSPERO registration number CRD42015029971.
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Affiliation(s)
| | - T M Wildes
- Medicine, Washington University School of Medicine, St Louis, MO, USA
| | - S L Stark
- Washington University School of Medicine, Program in Occupational Therapy, St Louis, MO, USA
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Fuggle NR, Westbury LD, Syddall HE, Duggal NA, Shaw SC, Maslin K, Dennison EM, Lord J, Cooper C. Relationships between markers of inflammation and bone density: findings from the Hertfordshire Cohort Study. Osteoporos Int 2018; 29:1581-1589. [PMID: 29808230 PMCID: PMC6093277 DOI: 10.1007/s00198-018-4503-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
UNLABELLED Among 365 Hertfordshire Cohort Study participants (aged 59-71 years at baseline), higher adiponectin and adiponectin to leptin ratios were associated with lower baseline lumbar spine and femoral neck bone mineral density (BMD). Lower IL-10 was associated with accelerated decline in lumbar spine BMD. This suggests that bone health can be influenced by changes in immune phenotype and alterations in adipokine homeostasis. INTRODUCTION The aim of this study was to examine the association between indices of inflammation and BMD in a population-based cohort of older adults in the UK. METHODS Analyses were based on a sample of 194 men and 171 women of the Hertfordshire Cohort Study (community-living, older adults). Dual energy X-ray absorptiometry (DXA) was performed at the lumbar spine and proximal femur at baseline and repeated at a median of 4.5 years (inter-quartile range 3.6 to 5.2). Inflammatory markers (CRP, TNF, IL-1β, IL-6, IL-8, IL-10, adiponectin and leptin) were ascertained at baseline using enzyme-linked immunosorbent assay (ELISA) techniques and Bio-Plex Pro Assays. Gender-adjusted linear regression was used to examine the associations between markers of inflammation and outcomes with and without adjustment for anthropometric and lifestyle factors. RESULTS The mean (SD) ages at baseline were 64.4 (2.5) and 66.5 (2.7) years for men and women respectively. Higher levels of adiponectin and adiponectin to leptin ratios were each associated with lower baseline lumbar spine and femoral neck BMD in gender-adjusted (p < 0.01) and fully adjusted (p < 0.05) analyses. Lower levels of IL-10 and TNF were each associated with accelerated decline in lumbar spine BMD in both gender-adjusted (p ≤ 0.05) and fully adjusted (p < 0.05) analyses. CONCLUSIONS In a cohort of older adults, high levels of adiponectin and adiponectin to leptin ratios were both associated with lower BMD at the lumbar spine and femoral neck at baseline, and lower IL-10 was associated with accelerated decline in BMD at the lumbar spine. This adds weight to the theory that bone health can be influenced by changes in immune phenotype and alterations in adipokine homeostasis.
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Affiliation(s)
- N R Fuggle
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK
| | - L D Westbury
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK
| | - H E Syddall
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK
| | - N A Duggal
- MRC-ARUK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, University of Birmingham and University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - S C Shaw
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK
| | - K Maslin
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK
| | - E M Dennison
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK
- Victoria University of Wellington, Wellington, New Zealand
| | - J Lord
- MRC-ARUK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, University of Birmingham and University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton, Tremona Road, Southampton, SO16 6YD, UK.
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK.
- NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK.
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Sidani MA, Reed BC, Steinbauer J. Geriatric Care Issues: An American and an International Perspective. Prim Care 2017; 44:e15-e36. [PMID: 28164825 DOI: 10.1016/j.pop.2016.09.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
As the global population ages, there is an opportunity to benefit from the increased longevity of a healthy older adult population. Healthy older individuals often contribute financially to younger generations by offering financial assistance, paying more in taxes than benefits received, and providing unpaid childcare and voluntary work. Governments must address the challenges of income insecurity, access to health care, social isolation, and neglect that currently face elderly adults in many countries. A reduction in disparities in these areas can lead to better health outcomes and allow societies to benefit from longer, healthier lives of their citizens.
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Affiliation(s)
- Mohamad A Sidani
- Department of Family and Community Medicine, Baylor College of Medicine, Houston, TX, USA.
| | - Brian C Reed
- Department of Family and Community Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Jeffrey Steinbauer
- Department of Family and Community Medicine, Baylor College of Medicine, Houston, TX, USA
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Prevalence of Sarcopenia and Its Relationship with Sites of Fragility Fractures in Elderly Chinese Men and Women. PLoS One 2015; 10:e0138102. [PMID: 26367872 PMCID: PMC4569344 DOI: 10.1371/journal.pone.0138102] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 08/25/2015] [Indexed: 12/25/2022] Open
Abstract
Objective Sarcopenia might be associated with bone fragility in elderly individuals. This study aimed to investigate the prevalence of sarcopenia and its association with fragility fracture sites in elderly Chinese patients. Methods Patients (322 men and 435 women) aged 65–94 years and with a history of fragility fractures in the ankle, wrist, vertebrae or hip, and healthy men (n = 1263) and women (n = 1057) aged 65–92 years without a history of fractures were enrolled. Whole-body dual energy X-ray absorptiometry was used to analyze skeletal muscle mass index (SMI), fat mass and bone mineral density. Sarcopenia was defined as SMI less than two standard deviations below the mean of a young reference group. Results Sarcopenia occurrence varied with fracture location. Sarcopenia was more common in females with vertebral and hip fractures and in men with hip and ankle fractures than in the non-fracture group). Sarcopenia was significantly more prevalent in men with wrist, hip and ankle fractures than in women. SMI was correlated with BMD in different fracture groups. Logistic regression analyses revealed that lower SMI was associated with an increased risk of hip fracture both in men and women and ankle fracture in men. Discussion Sarcopenia may be an independent risk factor for hip and ankle fractures in men, and for hip fractures in women.
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Johnson K, Suriyaarachchi P, Kakkat M, Boersma D, Gunawardene P, Demontiero O, Tannenbaum C, Duque G. Yield and cost-effectiveness of laboratory testing to identify metabolic contributors to falls and fractures in older persons. Arch Osteoporos 2015. [PMID: 26194901 DOI: 10.1007/s11657-015-0226-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
UNLABELLED Falls and fractures constitute a major cause of morbidity and mortality among older adults. Although falls and fractures share similar risk factors, there is no integrated approach to identifying secondary causes of both entities. We report a cost-effective approach to identify metabolic causes of falls and fractures in the clinical setting. PURPOSE Falls and fractures are a major cause of morbidity and mortality among older adults. Metabolic disorders contributing to the combined risk of falls and fractures are frequent but often go undetected. The most efficient and cost-effective laboratory screening strategy to unmask these disorders remains unknown. The purpose of this study was to identify the most cost-effective laboratory tests to detect undiagnosed metabolic contributors and to decide treatment of these disorders in older persons. METHODS This is a cross-sectional study design, which included all participants attending the Falls & Fractures Clinic, Nepean Hospital (Penrith, Australia) between 2008 and 2013. Chemistry profile included 25(OH) vitamin D, parathyroid hormone (PTH), albumin, creatinine, calcium, phosphate, vitamin B-12, folate, and thyroid-stimulating hormone (TSH) for all patients, and serum testosterone in men. The number of new diagnoses identified and their cost-effectiveness (cost in US$ per patient screened and cost per new diagnosis) were calculated. RESULTS A total of 739 participants (mean age 79, 71 % female) were assessed. Among 233 participants with complete laboratory tests, previously undiagnosed disorders were identified in 148 (63.5 %). Vitamin D deficiency (27 %) and hyperparathyroidism (21.5 %) were the most frequent diagnoses. A testing strategy including serum vitamin D, calcium, PTH, creatinine/estimated glomerular filtration rate (eGFR), and TSH for all patients and serum testosterone in men would have been sufficient to identify secondary causes of falls and fractures in 94 % of patients at an estimated cost of $190.19 per patient screened and $257.64 per diagnosis. CONCLUSIONS The minimum cost-effective battery for occult metabolic disorders in older adults at risk of falls and fractures should include serum vitamin D, PTH, TSH, creatinine/eGFR, testosterone (in men), and calcium.
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Affiliation(s)
- Kate Johnson
- Musculoskeletal Ageing Research Program, Sydney Medical School Nepean, The University of Sydney, Penrith, NSW, 2750, Australia
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In reply. Anesthesiology 2015; 122:954-5. [PMID: 25782647 DOI: 10.1097/aln.0000000000000592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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