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Homing in on cognition with cross-sectional analysis of sarcopenia-related measurements: the SARCOG study. Aging Clin Exp Res 2022; 34:2149-2154. [PMID: 35583720 DOI: 10.1007/s40520-022-02145-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/24/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Cognitive impairment may cause significant decline in muscle function and physical performance via affecting the neuromotor control. AIM To investigate the relationship between cognition and sarcopenia-related parameters in middle-aged and older adults. METHODS Demographic data and comorbidities of adults ≥ 45-year-old were noted. The Mini-Mental State Examination (MMSE) was used to evaluate global cognitive function. Sonographic anterior midthigh muscle thickness, handgrip strength, chair stand test (CST) and gait speed were measured. The diagnosis of sarcopenia was established if low muscle mass was combined with low muscle function. Dynapenia was defined as low grip strength or increased CST duration. RESULTS Among 1542 subjects (477 M, 1065 F), sarcopenia and dynapenia were detected in 22.6 and 17.2% of males, and 17.2 and 25.3% of females, respectively. Sarcopenic patients were older and had higher body mass index, higher frequencies of hypertension, diabetes mellitus and obesity. They had lower muscle thickness, grip strength in males only, CST performance in females only and gait speed than the other groups (all p < 0.05). Sarcopenic and dynapenic patients had similar MMSE scores which were lower than those of normal subjects (both p < 0.001). After adjusting for confounding factors, MMSE values were positively related with grip strength in females only, CST performance and gait speed (all p < 0.001); but not with muscle thickness in either gender. CONCLUSION Cognitive impairment may unfavorably affect muscle function and physical performance, but not muscle mass. Accordingly, its prompt management can help to decrease patient morbidity and mortality.
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Hioka A, Akazawa N, Okawa N, Nagahiro S. Extracellular water-to-total body water ratio is an essential confounding factor in bioelectrical impedance analysis for sarcopenia diagnosis in women. Eur Geriatr Med 2022; 13:789-794. [PMID: 35536459 DOI: 10.1007/s41999-022-00652-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 04/15/2022] [Indexed: 12/15/2022]
Abstract
PURPOSE The extracellular water-to-total body water ratio (ECW/TBW) is used in bioelectrical impedance analysis (BIA) for measuring muscle mass; however, ECW/TBW may be affected by several factors common in older individuals. Here, we assessed the relationships of ECW/TBW with handgrip strength, gait speed, and skeletal muscle mass index (SMI) in older women. METHODS In this cross-sectional study, 73 community-dwelling women aged ≥ 65 years who could independently perform activities of daily living were included. ECW/TBW was measured using direct segmental multifrequency BIA. The participants were divided into ECW/TBW < 0.40 (n = 54) and ECW/TBW ≥ 0.40 (n = 19) groups, with the latter indicating overhydration. SMI was calculated as appendicular skeletal muscle mass/(height)2 (kg/m2). The relationships of SMI with handgrip strength and gait speed were assessed using partial correlation coefficients. Age, number of medications, pain, and medical history were treated as control variables. RESULTS The average age of participants was 77.6 ± 6.0 years. The SMI was significantly related to handgrip strength (partial correlation coefficient = 0.293, P = 0.016) but not to gait speed (partial correlation coefficient = - 0.183, P = 0.138). Similarly, the SMI of the ECW/TBW < 0.40 group was significantly related to handgrip strength (partial correlation coefficient = 0.372, P = 0.009) but not gait speed (partial correlation coefficient = - 0.267, P = 0.066); however, the SMI of the ECW/TBW ≥ 0.40 group was not related to either variable. CONCLUSION ECW/TBW represents a confounding factor, which should be considered when using BIA for sarcopenia diagnosis.
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Bourdel-Marchasson I, Regueme SC, Kelson M, Poustis J, Barralon P, Laosa O, Rodriguez-Mañas L, Sinclair AJ. A Therapeutic Vibrating Insole Device for Postural Instability in Older People with Type 2 Diabetes: A Randomized Control Study. Diabetes Ther 2022; 13:995-1006. [PMID: 35322393 PMCID: PMC9076777 DOI: 10.1007/s13300-022-01246-8] [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: 01/20/2022] [Accepted: 03/02/2022] [Indexed: 11/06/2022] Open
Abstract
INTRODUCTION Frail older people with diabetes often present with or develop walking impairments, in part due to lower-limb sensory-motor neuropathy. Several studies suggest a possible improvement of balance control using somatosensory stimulation. We undertook a novel randomized control trial, the aim of which was to observe whether use of this device for 1 month improves walking speed as measured in the 10-m fast walking speed test standardized to body size at month 1 (M1) (FWS). Secondary outcomes were the differences between intervention (VS) and control (C) in the 10-m normal walking speed test, step length, short physical performance battery, timed up and go test, and posturographic measures. METHODS Subjects were aged ≥ 70 years and had had type 2 diabetes for at least 2 years. The intervention (VS) at home consisted of 22-min daily vibrating sequences with noise intensity set at 90% of the tactile threshold for each foot. The same device was used in group C but noise was set to 0. Compliance was retrieved from the device. RESULTS Among 56 subjects, 27 were in the VS group and 29 in the C group; 35 subjects were frail, 15 were prefrail ,and 6 were non-frail. Bilateral neuropathy was present in 17 subjects. More than half of sessions were done in 36 subjects with no discernible difference according to intervention. At M1 there were no discernible differences in FWS between the groups [VS: 0.96 (0.53) cm s-1 cm-1, C: 0.94 (0.47) cm s-1 cm-1]. There were also no discernible differences in other outcomes, irrespective of the presence of bilateral neuropathy. CONCLUSION In a cohort of frail, prefrail, or non-frail older subjects with diabetes, a 1-month intervention using a vibrating insole device did not alter measures of walking speed and related measures. Larger studies with longer term and different stimulation protocols are required to test this hypothesis more fully.
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van Dellen F, Labruyère R. Settings matter: a scoping review on parameters in robot-assisted gait therapy identifies the importance of reporting standards. J Neuroeng Rehabil 2022; 19:40. [PMID: 35459246 PMCID: PMC9034544 DOI: 10.1186/s12984-022-01017-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 04/04/2022] [Indexed: 12/02/2022] Open
Abstract
Background Lokomat therapy for gait rehabilitation has become increasingly popular. Most evidence suggests that Lokomat therapy is equally effective as but not superior to standard therapy approaches. One reason might be that the Lokomat parameters to personalize therapy, such as gait speed, body weight support and Guidance Force, are not optimally used. However, there is little evidence available about the influence of Lokomat parameters on the effectiveness of the therapy. Nevertheless, an appropriate reporting of the applied therapy parameters is key to the successful clinical transfer of study results. The aim of this scoping review was therefore to evaluate how the currently available clinical studies report Lokomat parameter settings and map the current literature on Lokomat therapy parameters. Methods and results A systematic literature search was performed in three databases: Pubmed, Scopus and Embase. All primary research articles performing therapy with the Lokomat in neurologic populations in English or German were included. The quality of reporting of all clinical studies was assessed with a framework developed for this particular purpose. We identified 208 studies investigating Lokomat therapy in patients with neurologic diseases. The reporting quality was generally poor. Less than a third of the studies indicate which parameter settings have been applied. The usability of the reporting for a clinical transfer of promising results is therefore limited. Conclusion Although the currently available evidence on Lokomat parameters suggests that therapy parameters might have an influence on the effectiveness, there is currently not enough evidence available to provide detailed recommendations. Nevertheless, clinicians should pay close attention to the reported therapy parameters when translating research findings to their own clinical practice. To this end, we propose that the quality of reporting should be improved and we provide a reporting framework for authors as a quality control before submitting a Lokomat-related article. Supplementary Information The online version contains supplementary material available at 10.1186/s12984-022-01017-3.
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Usefulness of measuring maximal gait speed in conjunction with usual gait speed for risk stratification in patients with cardiovascular disease. Exp Gerontol 2022; 164:111810. [PMID: 35452782 DOI: 10.1016/j.exger.2022.111810] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/27/2022] [Accepted: 04/13/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Usual gait speed is a prognostic factor in cardiovascular disease (CVD) patients; however, given the aging population, there has been an increase in patients with CVD with slow usual gait speed. Even among patients with slow usual gait speed, some can walk with sufficient speed during maximal gait, while others cannot. This study aimed to investigate the relationship between maximal gait speed and prognosis, and the utility of evaluating maximal gait speed in conjunction with usual gait speed in risk stratification of prognosis in patients with CVD. METHODS We included 2953 CVD patients who underwent evaluation of both usual and maximal gait speeds. They were classified into the usual (+) group [usual gait speed ≥1.0 m/s], usual (-) and maximal (+) group [usual gait speed <1.0 m/s and maximal gait speed ≥1.0 m/s], and usual (-) and maximal (-) group [usual gait speed <1.0 m/s and maximal gait speed <1.0 m/s]. RESULTS Slower maximal gait speed was significantly associated with higher mortality in CVD patients. This association was consistent across various subgroups, including older patients, patients with slow usual gait speed, and patients with heart failure. Maximal gait speed provided additional prognostic information to that of pre-existing prognostic factors and usual gait speed (p = 0.049). The usual (-) and maximal (-) group showed higher mortality (hazard ratio: 1.63; 95% confidence interval: 1.17-2.26; p = 0.003) than the usual (-) and maximal (+) group. There was no significant difference in mortality between the usual (+) group and the usual (-) and maximal (+) group. CONCLUSIONS Maximal gait speed was an independent prognostic predictor for CVD patients. Evaluating maximal gait speed in conjunction with usual gait speed was useful for further risk stratification of prognosis in CVD patients.
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Varela-Vásquez LA, Girabent-Farrés M, Medina-Rincón A, Rierola-Fochs S, Jerez-Roig J, Minobes-Molina E. Validation of a dual-task exercise program to improve balance and gait speed in older people (DualPro): a Delphi study. PeerJ 2022; 10:e13204. [PMID: 35402108 PMCID: PMC8992645 DOI: 10.7717/peerj.13204] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 03/10/2022] [Indexed: 01/12/2023] Open
Abstract
Background Most physical exercise programs for older people work the physical component in isolation, excluding cognitive aspects. Previous studies reported that both components (physical and cognitive) are necessary for correct functioning of older people in the society. Purpose To create and validate a dual-task exercise program (DualPro) to improve balance and gait speed in older people. Methods Expert consensus or the Delphi Method was used for validation. A group of 17 experts in neurorehabilitation and geriatrics was recruited to assess the proposed exercise program. They were selected taking into account their experience in clinical practice as well as their knowledge of the subject through the use of the expert competence coefficient (K). Online questionnaires were sent with a total of 11 exercises, which had to be rated using a "Likert" scale from 1 to 7. Results Two rounds were conducted to achieve 100% consensus in all exercises. The interquartile range of each exercise in both rounds was stable. During the second round, the relative interquartile range was less than 15% in all the questions, thus demonstrating consensus among the experts. Conclusion Experts in neurorehabilitation and geriatrics have concluded the validity of the progressive and systematized program of dual-task exercises focused on improving balance and gait speed for older people. This exercise program can help in the homogenization of the use of dual-task exercises in future studies and in professional practice.
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Seino S, Kitamura A, Abe T, Taniguchi Y, Murayama H, Amano H, Nishi M, Nofuji Y, Yokoyama Y, Narita M, Shinkai S, Fujiwara Y. Dose-response relationships of sarcopenia parameters with incident disability and mortality in older Japanese adults. J Cachexia Sarcopenia Muscle 2022; 13:932-944. [PMID: 35212170 PMCID: PMC8977959 DOI: 10.1002/jcsm.12958] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 12/30/2021] [Accepted: 02/01/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Sarcopenia-related parameters may have differential impacts on health-related outcomes in older adults. We examined dose-response relationships of body composition, muscle strength, and physical performance with incident disability and mortality. METHODS This prospective study included 1765 Japanese residents (862 men; 903 women) aged ≥65 years who participated in health check-ups. Outcomes were incident disability and all-cause mortality. Fat mass index (FMI) and skeletal muscle mass index (SMI), determined using segmental multi-frequency bioelectrical impedance analysis, handgrip strength (HGS), and usual gait speed (UGS) were measured. We determined multivariate-adjusted hazard ratios (HRs) for disability and mortality relative to sex-specific reference values (FMI: medians; SMI: 7.0 kg/m2 for men and 5.7 kg/m2 for women; HGS: 28 kg for men and 18 kg for women; or UGS: 1.0 m/s for both sexes). Association shapes were examined using restricted cubic splines or fractional polynomial functions. RESULTS The median follow-up was 5.3 years; 107 (12.7%) men and 123 (14.2%) women developed disability, and 101 (11.7%) men and 56 (6.2%) women died. FMI did not impact any outcome in men and disability in women, while an FMI ≤ 7.3 kg/m2 (median) was significantly associated with higher mortality risk in women, compared with median FMI. SMI did not impact disability in either sex and mortality in women, but showed a significant inverse dose-response relationship with mortality risk in men [HRs (95% confidence intervals) of minimum and maximum values compared with the reference value: 2.18 (1.07-4.46) and 0.43 (0.20-0.93), respectively], independent of HGS and UGS. HGS and UGS showed a significant inverse dose-response relationship with disability in both sexes [HGS: 1.71 (1.00-2.91) and 0.31 (0.09-0.99), respectively, in men, 2.42 (1.18-4.96) and 0.41 (0.20-0.85), respectively, in women; UGS: 2.14 (1.23-3.74) and 0.23 (0.08-0.67), respectively, in men, 3.26 (2.07-5.14) and 0.11 (0.05-0.26), respectively, in women] and mortality in women [HGS: 6.84 (2.84-16.47) and 0.06 (0.02-0.21), respectively; UGS: 2.67 (1.14-6.27) and 0.30 (0.11-0.85), respectively], independent of body composition, but did not impact mortality in men. CONCLUSIONS Disability risk was more dependent on muscle strength and physical performance in both sexes. Mortality risk in men was more dependent on muscle mass, and mortality risk in women was influenced by lower fat mass along with muscle strength and physical performance. Although improving muscle strength and physical performance should be the first target for health promotion, it is also necessary to pay attention to body composition to extend life expectancy in older adults.
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Zhang L, Chen Y, Liu J, Yu Y, Cui H, Chen Q, Chen K, Yang C, Yang Y. Novel physical performance-based models for activities of daily living disability prediction among Chinese older community population: a nationally representative survey in China. BMC Geriatr 2022; 22:267. [PMID: 35361135 PMCID: PMC8974010 DOI: 10.1186/s12877-022-02905-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/07/2022] [Indexed: 11/29/2022] Open
Abstract
Background Physical performances including upper and lower limb functions have predictive roles in activities of daily living (ADL) disability, but they have rarely been incorporated into prediction models. This study primarily aimed to develop and validate novel physical performance-based models for ADL disability among Chinese older adults. Comparisons of predictive performance across multiple models were performed, and model simplification was further explored. Methods Data were obtained from the China Health and Retirement Longitudinal Study in the 2011 and 2015 waves, containing 2192 older adults over 60 years old. Our models were constructed by logistic regression analysis, using a backward stepwise selection. Model performance was internally validated by discrimination, calibration, and clinical utility. Integrated Discrimination Improvement (IDI) and Net Reclassification Improvement (NRI) were used to assess the incremental benefit of the extended models. Moreover, nomograms were built for visualization. Results We selected gender, age, smoking, self-report health condition, BMI, depressive symptoms, and cognitive function into the fundamental model (Model 1). Based on Model 1, five novel prediction models were constructed by adding handgrip strength (Model 2), Short Physical Performance Battery (SPPB) (Model 3), gait speed (Model 4), handgrip strength plus SPPB (Model 5), and handgrip strength plus gait speed (Model 6), respectively. Significant improvement in predictive values were observed for all five novel models compared with Model 1 (C-index = 0.693). The lower limb model (Model 3 SPPB model: C-index = 0.731) may play a key role in the prediction of ADL disability, reflecting a comparable predictive value to the comprehensive models combining both upper and lower limbs (Model 5 handgrip strength + SPPB model: C-index = 0.732). When we simplified the lower limb models by replacing SPPB with gait speed, the predictive values attenuated slightly (C-index: Model 3 vs Model 4: 0.731 vs 0.714; Model 5 vs Model 6: 0.732 vs 0.718), but still better than the upper limb model (Model 2 handgrip strength model: C-index = 0.701). Conclusions Physical performance-based models, especially lower limb model, provided improved prediction for ADL disability among Chinese older adults, which may help guide the targeted intervention. Supplementary Information The online version contains supplementary material available at 10.1186/s12877-022-02905-y.
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Veddeng S, Madland H, Molden E, Wyller TB, Romskaug R. Association between statin use and physical performance in home-dwelling older patients receiving polypharmacy: cross-sectional study. BMC Geriatr 2022; 22:242. [PMID: 35321652 PMCID: PMC8941743 DOI: 10.1186/s12877-022-02942-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 03/15/2022] [Indexed: 12/04/2022] Open
Abstract
Background In older patients with polypharmacy and multiple comorbidities, even low grades of statin-associated muscle symptoms may have clinical implications. The aim of this study was therefore to investigate the potential associations between statin use and measures of physical performance and muscle function. Methods Participants were aged 70+, treated with at least seven regular systemic medications, and not expected to die or become institutionalized within 6 months. Physical performance measured as gait speed and Short Physical Performance Battery (SPPB) score, and muscle function measured as grip strength, were compared between users and non-users of statins. In the subgroup of statin users, the dose-response relationship was assessed using harmonized simvastatin equivalents adjusted for statin potency, pharmacokinetic interactions and SLCO1B1 c.521 T > C genotype. Multiple linear regression analyses were applied to investigate potential associations between stain use and exposure as independent variables, and physical performance and muscle function as outcomes, adjusted for age, gender, body mass, comorbidity, disability and dementia. Results 174 patients (87 users and 87 non-users of statins) with a mean (SD) age of 83.3 (7.3) years were included. In analyses adjusted only for gender, grip strength was significantly higher in users than in non-users of statins [regression coefficient (B) 2.7, 95% confidence interval (CI) 1.0 to 4.4]. When adjusted for confounders, the association was no longer statistically significant (B 1.1, 95% CI − 0.5 to 2.7). SPPB and gait speed was also better in statin users than in non-users, but the differences were not statistically significant. In dose-response analyses adjusted for confounders, we found a statistically significant increase in SPPB score (B 0.01, 95% CI 0.00 to 0.02) and gait speed (B 0.001, 95% CI 0.000 to 0.002) per mg increase in simvastatin equivalents. Conclusions In contrast to our hypothesis, statin use and exposure was associated with better measures of physical performance and muscle function in older patients with complex drug treatment. The unexpected findings of this cross-sectional, observational study should be further investigated by comparing physical performance before and after statin initiation or statin withdrawal in prospective studies. Trial registration ClinicalTrials.gov identifier: NCT02379455, registered March 5, 2015.
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Pap Z, Kalabiska I, Balogh Á, Bhattoa HP. Prevalence of sarcopenia in community dwelling outpatient postmenopausal Hungarian women. BMC Musculoskelet Disord 2022; 23:207. [PMID: 35246081 PMCID: PMC8897857 DOI: 10.1186/s12891-022-05167-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/25/2022] [Indexed: 11/23/2022] Open
Abstract
Background Ageing is an inherent feature of life and as per the United Nations, in the year 2020, 985 million women were ≥ 50 years of age worldwide, and the figure is expected to rise to 1.65 billion by 2050. Preservation of health and well-being in the elderly are challenging, and on the same note generalized changes in the musculoskeletal system contribute to this scenario. Musculoskeletal changes with ageing are referred to as sarcopenia. Reduced muscle mass and physical performance are hallmarks of sarcopenia, exclaimed with difficulty in independent activity and poor quality of life. Knowing that there is a hiatus in our knowledge as regards to the prevalence of sarcopenia in Hungary, the aim of this study was to determine the prevalence of sarcopenia in a community dwelling outpatient postmenopausal Hungarian cohort using the EWGSOP2 consensus recommendation. Methods In this cross-sectional study, women arriving for routine bone densitometry examination at the Regional Osteoporosis Center, Department of Obstetrics and Gynecology, Faculty of Medicine, University of Debrecen were invited to participate in the study. A total of a 100 community-dwelling women were recruited who confirmed to the inclusion criteria of self-reported postmenopausal status, ≥ 50 years of age and gave written informed consent. The study procedures included the self-administered SARC-F questionnaire, followed by assessment of muscle strength, muscle quantity and physical preformance. Muscle strength was determined with the hand grip strength (HGS), appendicular skeletal muscle mass was assessed using dual energy X-ray absorptiometry and physical performance was determined by the gait speed (GS) test. Results As per the EWGSOP2 definition, the percentage of study participants with probable sarcopenia (low muscle strength), sarcopenia (low muscle strength and low muscle quantity) and severe sarcopenia (low muscle strength, muscle quantity and low physical performance) was 36, 31 and 8%, respectively. Multiple linear regression analysis revealed that height, weight, HGS and GS were all independent predictors of appendicular skeletal muscle mass. Conclusion The 31% prevalence of sarcopenia in the studied post-menopausal women highlights the need for adequate assessment of the condition in the elderly. Our findings most probably bear public health implications and may accelerate formulation of policies promoting healthy ageing. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-022-05167-2.
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Oyedeji CI, Hall K, Luciano A, Morey MC, Strouse JJ. The Sickle Cell Disease Functional Assessment (SCD-FA) tool: a feasibility pilot study. Pilot Feasibility Stud 2022; 8:53. [PMID: 35246265 PMCID: PMC8895638 DOI: 10.1186/s40814-022-01005-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 02/16/2022] [Indexed: 01/15/2023] Open
Abstract
Background The life expectancy for individuals with sickle cell disease (SCD) has greatly increased over the last 50 years. Adults with SCD experience multiple complications such as cardiopulmonary disease, strokes, and avascular necrosis that lead to limitations that geriatric populations often experience. There are no dedicated instruments to measure functional decline and functional age to determine risk of future adverse outcomes in older adults with SCD. The objective of this study was to assess the feasibility of performing the Sickle Cell Disease Functional Assessment (SCD-FA). Methods We enrolled 40 adults with SCD (20 younger adults aged 18–49 years as a comparison group and 20 older adults aged 50 years and older) in a single-center prospective cohort study. Participants were recruited from a comprehensive sickle cell clinic in an academic center in the southeastern United States. We included measures validated in an oncology geriatric assessment enriched with additional physical performance measures: usual gait speed, seated grip strength, Timed Up and Go, six-minute walk test, and 30-second chair stand. We also included an additional cognitive measure, which was the Montreal Cognitive Assessment, and additional patient-reported measures at the intersection of sickle cell disease and geriatrics. The primary outcome was the proportion completing the assessment. Secondary outcomes were the proportion consenting, duration of the assessment, acceptability, and adverse events. Results Eighty percent (44/55) of individuals approached consented, 91% (40/44) completed the SCD-FA in its entirety, and the median duration was 89 min (IQR 80–98). There were no identified adverse events. On the acceptability survey, 95% (38/40) reported the length as appropriate, 2.5% (1/40) reported a question as upsetting, and 5% (2/40) reported portions as difficult. Exploratory analyses of physical function showed 63% (25/40) had a slow usual gait speed (< 1.2 m/s). Conclusion The SCD-FA is feasible, acceptable, and safe and physical performance tests identified functional impairments in adults with SCD. These findings will inform the next phase of the study where we will assess the validity of the SCD-FA to predict patient-important outcomes in a larger sample of adults with SCD.
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Akimoto T, Kawamura K, Wada T, Ishihara N, Yokota A, Suginoshita T, Yokoyama S. Gait cycle time variability in patients with knee osteoarthritis and its possible associating factors. J Phys Ther Sci 2022; 34:140-145. [PMID: 35221518 PMCID: PMC8860692 DOI: 10.1589/jpts.34.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/13/2021] [Indexed: 11/24/2022] Open
Abstract
[Purpose] Knee osteoarthritis can alter gait variability; however, few studies have
investigated the associating factors with gait cycle time variability. The first objective
was to compare gait cycle variability between female patients with knee osteoarthritis and
healthy elderly females and to determine gait characteristics in patients with knee
osteoarthritis. The second objective was to identify the associating factors with gait
cycle time variability. [Participants and Methods] The participants included 24 female
patients diagnosed with knee osteoarthritis and 12 healthy elderly females. Gait cycle
variability (coefficient of variation of gait cycle time), knee extension range of motion,
knee extension strength, 5-m walk test, Timed Up & Go Test, and Western Ontario and
McMaster Universities Osteoarthritis Index were measured. All assessment results were
compared between the knee osteoarthritis and healthy groups. [Results] Gait cycle time
variability was significantly higher in the knee osteoarthritis group than in the healthy
group. Further, it showed a significant positive correlation with the 5-m walk test and
the Western Ontario and McMaster Universities Osteoarthritis Index. [Conclusion] Patients
with knee osteoarthritis presented greater gait cycle variability than that of healthy
individuals. Therefore, rehabilitation to improve gait variability might enhance the
quality of life of patients with knee osteoarthritis.
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Kimura A, Paredes W, Pai R, Farooq H, Buttar RS, Custodio M, Munugoti S, Kotwani S, Randhawa LS, Dalezman S, Elters AC, Nam K, Ibarra JS, Venkataraman S, Abramowitz MK. Step length and fall risk in adults with chronic kidney disease: a pilot study. BMC Nephrol 2022; 23:74. [PMID: 35193493 PMCID: PMC8862327 DOI: 10.1186/s12882-022-02706-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 02/10/2022] [Indexed: 11/25/2022] Open
Abstract
Background Patients with chronic kidney disease commonly experience gait abnormalities, which predispose to falls and fall-related injuries. An unmet need is the development of improved methods for detecting patients at high risk of these complications, using tools that are feasible to implement in nephrology practice. Our prior work suggested step length could be such a marker. Here we explored the use of step length as a marker of gait impairment and fall risk in adults with chronic kidney disease. Methods We performed gait assessments in 2 prospective studies of 82 patients with stage 4 and 5 chronic kidney disease (n = 33) or end-stage renal disease (ESRD) (n = 49). Gait speed and step length were evaluated during the 4-m walk component of the Short Physical Performance Battery (SPPB). Falls within 6 months prior to or following enrollment were identified by questionnaire. Associations of low step length (≤47.2 cm) and slow gait speed (≤0.8 m/s) with falls were examined using logistic regression models adjusted for demographics and diabetes and peripheral vascular disease status. Results Assessments of step length were highly reproducible (r = 0.88, p < 0.001 for duplicate measurements at the same visit; r = 0.78, p < 0.001 between baseline and 3-month evaluations). Patients with low step length had poorer physical function, including lower SPPB scores, slower gait speed, and lower handgrip strength. Although step length and gait speed were highly correlated (r = 0.73, p < 0.001), one-third (n = 14/43) of patients with low step length did not have slow gait speed. Low step length and slow gait speed were each independently associated with the likelihood of falls (odds ratio (OR) 3.90 (95% confidence interval (CI) 1.05–14.60) and OR 4.25 (95% CI 1.24–14.58), respectively). Compared with patients who exhibited neither deficit, those with both had a 6.55 (95% CI 1.40–30.71) times higher likelihood of falls, and the number of deficits was associated with a graded association with falls (p trend = 0.02). Effect estimates were similar after further adjustment for ESRD status. Conclusions Step length and gait speed may contribute additively to the assessment of fall risk in a general adult nephrology population.
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Gao J, Qiu Y, Hou Y, Zhang L, Wang K, Chen Z, Liu Q, Lin J. Influencing factors for the decline of limb muscle strength and the association with all-cause mortality: evidence from a nationwide population-based cohort study. Aging Clin Exp Res 2022; 34:399-407. [PMID: 34313962 DOI: 10.1007/s40520-021-01940-w] [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: 05/17/2021] [Accepted: 07/13/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND The decline of muscle strength, a typical characteristic of sarcopenia, greatly affects aging-related health outcomes; however, prospective data on influencing factors and mortality in the Chinese population are relatively sparse. AIMS We investigated the influencing factors for the declined limb muscle strength and the association with all-cause mortality among the elderly Chinese individuals aged ≥ 65 years in a large long-term prospective cohort study. METHODS We used data from the China Health and Retirement Longitudinal Study (CHARLS). Logistic regression analyses were performed to investigate the influencing factors of declined limb muscle strength. Cox proportional hazard models were used to analyze the impact on all-cause mortality, whose performance was evaluated by train-test cross-validation. RESULTS The prevalences of declined upper and lower limb strength, which were defined by low hand grip strength (HS) and gait speed (GS), respectively, were 34.4% and 59.7%. The declined HS was significantly associated with older age (p < 0.001), female (p < 0.001), lower educational level (p < 0.001), lower BMI (p < 0.001), and combined with chronic diseases (p = 0.001). Moreover, the declined limb muscle strength was correlated with all-cause mortality (HR: 1.13, 95% CI 1.03-1.21 for HS; HR: 1.09, 95% CI 1.04-1.15 for GS), according to a multi-adjusted model with moderate predictive ability (C-index: 0.714, AUC of 7 year follow-up: 0.716). CONCLUSIONS The decline of limb muscle strength was prevalent among elderly Chinese individuals and had a strong impact on all-cause mortality. Identification of key populations and tailored interventions on their influencing factors should be implemented in further research.
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Royse SK, Costacou T, Nunley KA, Orchard TJ, Rosano C. Neural correlates of slower gait in middle-aged persons with childhood-onset type 1 diabetes mellitus: The impact of accelerated brain aging. J Diabetes Complications 2022; 36:108084. [PMID: 34838449 PMCID: PMC8818038 DOI: 10.1016/j.jdiacomp.2021.108084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 02/03/2023]
Abstract
AIMS We aimed to determine if neuroimaging characteristics of gray and white matter are associated with gait speed in middle-aged individuals with childhood-onset type 1 diabetes (T1D), and whether associations are independent of diabetic peripheral neuropathy (DPN) status. METHODS In a cohort of 100 middle-aged adults with childhood-onset T1D (aged 49.2 ± 7.0 years, 50F/50M), we assessed cross-sectional associations of DPN, severity of white matter hyperintensities (WMH; Fazekas score), and regional gray matter volume (GMV) with gait speed. Associations were tested separately and combined in linear regression models adjusted for diabetes duration and locomotor risk factors. RESULTS Average gait speed was 1.3 m/s, with 52% of participants walking below the age-appropriate range of 1.3-1.5 m/s. In separate models, higher WMH severity (β = -0.27, p = 0.01) and smaller caudate GMV (β = -0.21, p = 0.04), but not DPN (β = -0.20, p = 0.08) were associated with slower gait speed. When combined, only WMH severity remained significant (β = -0.22, p = 0.04). CONCLUSIONS More than half of participants walked more slowly than expected based on age. Gait speed was slower among those with more severe WMH independent of locomotor risk factors. Gait slowing in middle-aged persons with T1D may reflect brain changes, and thus, deserve further attention.
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Cha RH, Kang SH, Han MY, An WS, Kim SH, Kim JC. Effects of AST-120 on muscle health and quality of life in chronic kidney disease patients: results of RECOVERY study. J Cachexia Sarcopenia Muscle 2022; 13:397-408. [PMID: 34862753 PMCID: PMC8818653 DOI: 10.1002/jcsm.12874] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 10/28/2021] [Accepted: 10/30/2021] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND The prevalence of sarcopenia is increased with declining renal function. Elevated serum indoxyl sulfate levels are associated with poor skeletal muscle conditions. We aimed to determine the effects of AST-120, the oral adsorbent of indoxyl sulfate, on sarcopenia and sarcopenia-associated factors in chronic kidney disease patients. METHODS This was a 48 week, randomized controlled, parallel group, open-label, multicentre trial (n = 150). The participants were randomly assigned in a 1:1 ratio to the control (CON) and AST-120 (Renamezin®, REN) groups. Outcome measurements were performed at baseline and every 24 weeks for 48 weeks. The primary outcome was gait speed difference ≥0.1 m/s between the two groups, and secondary outcomes included hand grip strength, muscle mass, and health-related quality of life. RESULTS A difference of gait speed ≥0.1 m/s was not observed during the study period. The mean dynamic-start gait speed in the REN group increased from baseline to 48 weeks (1.04 ± 0.31 to 1.08 ± 0.32 m/s, P = 0.019). The static-start gait speed changed by -0.024 and 0.04 m/s (P = 0.049) in the CON and REN groups over 48 weeks, respectively. Hand grip strength decreased during the first 24 weeks and did not significantly change over the next 24 weeks in either group. The proportion of low muscle mass or sarcopenia at baseline was larger in the REN group than in the CON group, but the difference attenuated over the study period [low muscle mass and sarcopenia in the CON and REN groups at baseline, 4.0% vs. 18.9% (P = 0.004) and 2.7% vs. 13.5% (P = 0.017); at 24 weeks, 2.9% vs. 13.6% (P = 0.021) and 1.4% vs. 10.5% (P = 0.029); and at 48 weeks, 7.6% vs. 12.9% (P = 0.319) and 4.5% vs. 8.1% (P = 0.482), respectively]. Bodily pain, vitality, symptoms/problems, and cognitive function in the REN group improved, while the quality of social interactions and the kidney disease effects in the CON group aggravated from baseline to 48 weeks. Interaction between time and group was evident only in symptoms/problems, cognitive function, and kidney disease effects. CONCLUSIONS The addition of AST-120 to standard treatment in chronic kidney disease patients did not make a significant difference in gait speed, although AST-120 modestly had beneficial effects on gait speed change and quality of life and showed the potential to improve sarcopenia. (clinicaltrials.gov: NCT03788252).
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Magnani PE, Zanellato NFG, Genovez MB, Alvarenga IC, Faganello-Navega FR, de Abreu DCC. Usual and dual-task gait adaptations under visual stimulation in older adults at different ages. Aging Clin Exp Res 2022; 34:383-389. [PMID: 34213747 DOI: 10.1007/s40520-021-01925-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 06/22/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND During the walk along the streets, older adults are exposed to various visual stimuli that can affect their gait in a harmful or beneficial way. AIMS To evaluate gait strategies during different situations with and without visual stimulation in older adults to identify the influence of the visual stimulus on these gait parameters. METHODS A total of 200 older adults were divided into 4 groups according to age range between 60 and 102 years. Gait was evaluated in the following situations: (1) habitual gait (HG); (2) gait with the visual stimulation (GVS) provided by a pedestrian traffic light, and (3) GVS associated with a cognitive task (GVS-C). The GAITRite Platinum equipment was used to assess gait variables. RESULTS Comparison of GVS and HG revealed that the visual stimulus influences the gait parameters and promotes a gait speed increase. However, to increase their gait speed, older adults aged 60-89 years used strategies of increased step length and cadence, whereas subjects older than 90 years used only strategies of increased cadence. In addition, comparison of GVS and GVS-C revealed a decrease in gait speed in all age ranges when the cognitive task was added, although this reduction was more pronounced in subjects older than 70 years. CONCLUSION Visual stimulus influences the gait parameters in older adults and the strategy used is different depending on their age, a fact that shows that traffic light may be an interesting strategy to improve the gait performance during physical therapy.
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Cai Y, Tian Q, Gross AL, Wang H, E JY, Agrawal Y, Simonsick EM, Ferrucci L, Schrack JA. Motor and Physical Function Impairments as Contributors to Slow Gait Speed and Mobility Difficulty in Middle-Aged and Older Adults. J Gerontol A Biol Sci Med Sci 2022; 77:1620-1628. [PMID: 34984437 PMCID: PMC9373947 DOI: 10.1093/gerona/glac001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Motor function affects ability to perform daily activities and maintain independence. Yet, the interrelatedness of upper and lower extremity motor impairments and the magnitude of their contribution to slow gait and mobility difficulty are not well investigated. METHODS Participants in the Baltimore Longitudinal Study of Aging (N = 728, aged 50-99) completed motor and physical function tests including grip and knee extension strength, pegboard, finger tapping, standing balance, chair stands, fast-paced 400-m walk, and usual gait speed. Slow gait was defined as usual gait speed <1.0 m/s. Mobility difficulty was defined as self-reported difficulty walking ¼ mile or climbing stairs. Structural equation modeling examined the interrelationships of motor measures and their contributions to slow gait and mobility difficulty, adjusting for demographics and comorbidities. RESULTS Poorer manual dexterity (-0.571 standard deviation [SD] units, p < .001) and lower muscle strength (upper and lower extremity; -0.447 SD units, p = .014) were most strongly associated with slow gait speed, followed by slower chair stand pace (-0.195 SD units, p = .002) and greater lap time variation (0.102 SD units, p = .028). Lower muscle strength (-0.582 SD units, p = .001) was most strongly associated with mobility difficulty, followed by slower chair stand pace (-0.322 SD units, p < .001), slower gait speed (-0.247 SD units, p < .001), and poorer standing balance (-0.190 SD units, p = .043). CONCLUSIONS Components of manual dexterity and strength were the strongest correlates of slow gait and mobility difficulty in mid-to-late life. Longitudinal studies examining relationships between changes in these motor parameters and mobility are needed to elucidate possible causal effects.
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Torstveit AH, Miaskowski C, Løyland B, Grov EK, Ritchie CS, Paul SM, Engh AME, Utne I. Characteristics associated with decrements in objective measures of physical function in older patients with cancer during chemotherapy. Support Care Cancer 2022; 30:10031-10041. [PMID: 36326906 PMCID: PMC9715479 DOI: 10.1007/s00520-022-07416-5] [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: 04/12/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022]
Abstract
PURPOSE Study purposes were to evaluate for inter-individual variability in the trajectories of three objective measures of physical function (PF) in older patients receiving chemotherapy (n = 112) and determine which characteristics were associated with worse PF. METHODS Balance, gait speed, and chair-stand test were evaluated at initiation and 1, 3, 6, 9, and 12 months following chemotherapy. Hierarchical linear modeling was used to assess inter-individual variability in the trajectories of the three tests. Demographic, clinical, and symptom characteristics, and levels of cognitive function associated with initial levels and changes over time in each of the tests were determined. RESULTS Gait speed and chair-stand tests improved over time. Balance declined until month 6, then increased. Characteristics associated with decreases in balance scores at initiation of chemotherapy were lower level of education and lower Karnofsky Performance Status (KPS) score. For initial levels of poorer gait speed, older age, poorer Trail Making Test B (TMTB), and worse Attentional Function Index scores were the associated characteristics. Lower KPS scores, higher body mass index, and poorer TMTB scores were associated with poorer chair-stand times at initiation of chemotherapy. Worse trajectories of chair-stand times were associated with poorer chair-stand time at enrollment. Characteristic associated with lower initial levels and improved trajectories of balance was older age at enrollment. CONCLUSIONS Determination of characteristics associated with decrements in balance, gait speed, and chair-stand can assist clinicians to identify older oncology patients at risk for decrements in PF. Interventions to maintain and improve PF need to be implemented with higher risk patients.
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Kalligerou F, Paraskevas G, Zalonis I, Kosmidis MH, Yannakoulia M, Dardiotis E, Hadjigeorgiou G, Sakka P, Scarmeas N. Objective and Subjective Measurements of Motor Function: Results from the HELIAD Study. J Prev Alzheimers Dis 2022; 9:743-751. [PMID: 36281679 DOI: 10.14283/jpad.2022.69] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
BACKGROUND Slow gait speed has recently emerged as a potential prodromal feature of cognitive decline and dementia. Besides objective measurements, subjective motor function (SMF) difficulties might be present prior to the manifestation of gait disorders. OBJECTIVES To examine the association of walking time and the presence of SMF with future cognitive decline in cognitively normal individuals. DESIGN Longitudinal study. SETTINGS Athens and Larissa, Greece. PARTICIPANTS 931 cognitively normal individuals over the age of 64 with longitudinal follow-up from the Hellenic Longitudinal Investigation of Aging and Diet (HELIAD). MEASUREMENTS We used a simple chronometer for recording objective walking time (OWT) and SMF was assessed using a self-reported physical functioning questionnaire. Generalized estimating equations (GEE) models were deployed to explore the associations between baseline OWT and SMF difficulties and the rate of change of performance scores on individual cognitive domains over time. Models were adjusted for age, years of education and sex. RESULTS Each additional second of OWT was associated with 1.1% of a standard deviation more decline per year in the composite z-score, 1.6% in the memory z-score, 1.1% in the executive z-score and 1.8% in the attention-speed z-score. The presence of SMF difficulties was not associated with differential rates of decline in any cognitive domain. CONCLUSION Gait speed can be indicative of future cognitive decline adding credence to the notion that gait speed might serve as a simple and easily accessible clinical tool to identify a larger pool of at risk individuals and improve the detection of prodromal dementia.
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Changes in 6DOF knee kinematics during gait with decreasing gait speed. Gait Posture 2022; 91:52-58. [PMID: 34649171 DOI: 10.1016/j.gaitpost.2021.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/02/2021] [Accepted: 10/04/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Gait speed is recognized to correlate to knee kinematic alterations. Clinically, patients with knee diseases tend to walk slowly compared to healthy controls. Hence, gait speed may serve as a confounding factor in the kinematic characteristics of patients during gait compared to healthy controls. RESEARCH QUESTION Whether and how gait speed affects six degrees of freedom (6DOF) knee kinematics remains unclear. The current study was designed to explore whether and how decreased gait speeds affect 6DOF knee kinematics. METHODS Thirty subjects (15 males and 15 females) were recruited for this study. A three-dimensional gait analysis system was used to assess the 6DOF knee kinematics of subjects at gait speeds of 4.0 km/h, 3.5 km/h, 3.0 km/h, 2.5 km/h, 2.0 km/h, 1.5 km/h, and 1.0 km/h. Kinematics of gait cycle (GC) were assessed at all gait speed levels. RESULTS Decreased adduction angle (0.5-3.2 °, p < 0.05), increased external rotation (0.6-3.3 °, p < 0.05) and decreased flexion angle (1.5-17.4 °, p < 0.05) were found during most GC as gait speed level decreased. Greater anterior tibial translation (0.9-2.6 mm, p < 0.05), greater proximal translation (0.4-2.4 mm, p < 0.05) and decreased lateral tibial translation (0.5-3.0 mm, p < 0.05) were found during most GC as gait speed level decreased. Gender was also found to have great effects on 6DOF knee kinematics (p < 0.05). Interactions between gender and gait speed were also found (p < 0.05). SIGNIFICANCE Our findings suggest that additional attention should be paid when dealing with kinematic comparisons of GC between controls and patients with significantly different gait speeds or genders than controls. Kinematic alterations induced by gait speed may raise concern for patients with knee diseases who struggle to walk faster than their normal speed. This may enhance our knowledge of the relationship between gait speed and 6DOF knee kinematics.
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Keppler AM, Holzschuh J, Pfeufer D, Gleich J, Neuerburg C, Kammerlander C, Böcker W, Fürmetz J. Mobility improvement in the first 6 postoperative weeks in orthogeriatric fracture patients. Eur J Trauma Emerg Surg 2021; 48:2867-2872. [PMID: 34932124 PMCID: PMC9360084 DOI: 10.1007/s00068-021-01856-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/04/2021] [Indexed: 11/29/2022]
Abstract
Background Physical activity is a relevant outcome parameter in orthopedic surgery, that can be objectively assessed. Until now, there is little information regarding objective gait parameters in the orthogeriatric population. This study focuses on the first 6 weeks of postoperative rehabilitation, and delivers objective data about gait speed and step length in typical orthogeriatric fracture patterns. Methods Thirty-one orthogeriatric fracture patients [pertrochanteric femur fractures (PFF), femoral neck (FN), and proximal humerus fractures (PHF)] were consecutively enrolled in a maximum care hospital in a prospective study design. All patients wore an accelerometer placed at the waist during the postoperative stay (24 h/d) and at 6-week follow-up, to measure real gait speed and step length. In addition, self-assessment of mobility (Parker mobility score) and activities of daily living (Barthel index) were collected at baseline, during the inpatient stay, and at 6-week follow-up. Results During postoperative hospitalization, significantly higher gait speed (m/s) was observed in the PHF group (0.52 ± 0.27) compared with the FN group (0.36 ± 0.28) and PFF group (0.19 ± 0.28) (p < 0.05). Six weeks postoperatively, gait speed improved significantly in all groups (PHF 0.90 ± 0.41; FN 0.72 ± 0.13; PFF 0.60 ± 0.23). Similarly, step length (m) differed between groups postoperatively [FN 0.16 ± 0.13; PFF 0.12 ± 0.15; PHF 0.31 ± 0.05 (p < 0.005)] and improved over time significantly (FN 0.47 ± 0.01; 0.39 ± 0.19; 0.50 ± 0.18). Self-assessment scores indicate that the majority of the patients had minor restrictions in mobility before the fracture. These values decreased immediately postoperatively and improved in the first 6 weeks, but did not reach the initial level. Conclusions Gait speed, step length, and self-assessment in terms of mobility and activities of daily living improve significantly in the first 6 postoperative weeks in orthogeriatric fracture patients. As very low postoperative mobility during hospitalization was observed, this collective shows great potential in postoperative rehabilitation regardless of their fracture pattern. For this reason, specific aftercare concepts similar to the “fast track” concepts in primary arthroplasty are crucial for orthogeriatric patients in clinical practice. Level of evidence Prospective cohort study, 2.
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Khoo SB, Lin YL, Ho GJ, Lee MC, Hsu BG. Association of endothelial dysfunction with sarcopenia and muscle function in a relatively young cohort of kidney transplant recipients. PeerJ 2021; 9:e12521. [PMID: 34900434 PMCID: PMC8614188 DOI: 10.7717/peerj.12521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 10/29/2021] [Indexed: 12/25/2022] Open
Abstract
Background Sarcopenia and endothelial dysfunction are both common among kidney transplant (KT) recipients. We aimed to evaluate the association between endothelial dysfunction and sarcopenia, as well as its individual components. Methods Vascular reactivity index (VRI), skeletal muscle index (SMI = skeletal muscle mass/height2), handgrip strength (HGS), and 6-meter usual gait speed (GS) were measured in 95 KT recipients. Low SMI was defined as SMI less than 10% of the sex-specific reference values from Chinese adults; low HGS as HGS < 28 kg for men and < 18 kg for women; slow GS as GS below 1.0 m/s. Sarcopenia was diagnosed based on the presence of low SMI as an essential criterion, accompanied by either low HGS or slow GS. Vascular reactivity was classified as being indicative of poor (VRI < 1.0), intermediate (1.0 ≤ VRI < 2.0), or good (VRI ≥ 2.0) vascular reactivity. Results Of the 95 patients, aged 45.2 ± 10.9 years, 11.6% had sarcopenia and 13.7% had poor vascular reactivity. Patients with sarcopenia were lower in body mass index (p = 0.001) and VRI (p = 0.041), and have a higher proportion of low muscle mass (p < 0.001), low HGS (p < 0.001), and slow GS (p = 0.001). Patients with poor vascular reactivity have a higher proportion of sarcopenia (p = 0.005), low HGS (p = 0.006), and slow GS (p = 0.029). Multivariate logistic regression analysis showed that patients in the poor VRI group were significantly associated with sarcopenia (odds ratio, OR = 6.17; 95% confidence interval [1.06-36.04]; p = 0.043), comparing to those with good VRI. We further analysed the effects of VRI on individual components of sarcopenia and found that VRI predicted slow GS significantly (OR = 0.41; 95% CI = [0.21-0.79]; p = 0.007), but not low SMI (OR = 1.15; 95% CI [0.53-2.49]; p = 0.718) and HGS (OR = 0.59; 95% CI [0.31-1.16]; p = 0.125). Conclusions We concluded that endothelial dysfunction is a key determinant of sarcopenia in KT recipients. Furthermore, endothelial dysfunction is more closely related to gait speed than muscle mass and strength.
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Longitudinal physical performance and blood pressure changes in older women: Findings form the women's health initiative. Arch Gerontol Geriatr 2021; 98:104576. [PMID: 34826770 PMCID: PMC8649052 DOI: 10.1016/j.archger.2021.104576] [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: 09/15/2021] [Revised: 11/05/2021] [Accepted: 11/08/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND This study evaluated the association between changes in physical performance and blood pressure (BP) (e.g., systolic [SBP], diastolic [DBP], pulse pressure) in older women. METHODS 5627 women (mean age 69.8 ± 3.7 y) with grip strength, chair stand, gait speed performance and clinic-measured BP at baseline and at least one follow-up (years 1, 3 or 6) were included. Generalized estimating equation analysis of multivariable models with standardized point estimates described the longitudinal association between physical performance and BP changes in the overall cohort, and in models stratified by baseline cardiovascular disease (CVD), time-varying antihypertensive medication use (none, ≥1) and enrollment age (65-69 y; 70-79 y). RESULTS Overall, each z-score unit increment in grip strength was associated with 0.59 mmHg (95% CI 0.10, 1.08) higher SBP, and 0.39 mmHg (95% CI 0.11, 0.67) higher DBP. In stratified models, a standardized increment in grip strength was associated with higher SBP in women without CVD (0.81; 95% CI 0.23-1.39), among antihypertensive medication users (0.93; 95% CI 0.44, 1.41) and non-users (0.37; 95% CI 0.03, 0.71), and in those aged 65-69 y (0.64; 95% CI 0.04, 1.24). Similarly, a standardized increment in any of the three performance measures was associated with modestly higher DBP in antihypertensive medication users, and those aged 70-79 y. Associations between any performance measure and pulse pressure change were not significant. CONCLUSION These results suggest a positive, and statistically significant relationship between physical performance and BP that appears to be influenced by CVD history, antihypertensive medication use, and age.
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Sudo D, Hosokawa M, Maeda Y. Kinematic effects of different gait speeds during gait initiation movement. J Phys Ther Sci 2021; 33:857-861. [PMID: 34776623 PMCID: PMC8575472 DOI: 10.1589/jpts.33.857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/15/2021] [Indexed: 11/24/2022] Open
Abstract
[Purpose] We investigated the influence of gait speed on the movement strategy during
gait initiation. [Participants and Methods] This study included 21 young healthy
individuals (11 males and 10 females; mean age, 21.7 ± 0.5 years; mean height, 166.1 ±
9.8 cm; and mean weight, 57.3 ± 11.2 kg). A three-dimensional motion analyzer and strain
gauge force platform were used in this study. The measurement task consisted of gait
initiation from the quiet stance; the two measurement conditions were normal gait and the
highest speed. The analysis interval was from the start of the center of pressure
migration to the heel contact at the first step of the swing limb. The center of gravity,
center of pressure, joint movements, step length, and step time during the anticipatory
postural control (from the start of center of pressure migration to swing leg-heel off)
and swing (swing leg-heel off to swing leg-heel contact) phases were analyzed. [Results]
Significant differences were observed in the center of gravity, center of pressure, hip
flexion, abduction movement, stance-limb ankle dorsiflexion movement during the
anticipatory postural control phase, and step time during the anticipatory postural
control and swing phases. The stance-limb ankle plantar flexion movement and step length
did not differ significantly in the swing phase. [Conclusion] When the gait speed
increases, fluctuations in the joint movements increase as the center of pressure
displacement increases, thus requiring complex control.
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