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Hatton AL, Chatfield MD, Gane EM, Maharaj JN, Cattagni T, Burns J, Paton J, Rome K, Kerr G. The effects of wearing textured versus smooth shoe insoles for 4-weeks in people with diabetic peripheral neuropathy: a randomised controlled trial. Disabil Rehabil 2024:1-11. [PMID: 38819206 DOI: 10.1080/09638288.2024.2360658] [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: 02/22/2023] [Accepted: 05/22/2024] [Indexed: 06/01/2024]
Abstract
PURPOSE To determine whether short-term wear of textured insoles alters balance, gait, foot sensation, physical activity, or patient-reported outcomes, in people with diabetic neuropathy. MATERIALS AND METHODS 53 adults with diabetic neuropathy were randomised to wear textured or smooth insoles for 4-weeks. At baseline and post-intervention, balance (foam/firm surface; eyes open/closed) and walking were assessed whilst barefoot, wearing shoes only, and two insoles (textured/smooth). The primary outcome was center of pressure (CoP) total sway velocity. Secondary outcomes included other CoP measures, spatiotemporal gait measures, foot sensation, physical activity, and patient-reported outcomes (foot health, falls efficacy). RESULTS Wearing textured insoles led to improvements in CoP measures when standing on foam with eyes open, relative to smooth insoles (p ≤ 0.04). The intervention group demonstrated a 5% reduction in total sway velocity, indicative of greater balance. The intervention group also showed a 9-point improvement in self-perceived vigour (p = 0.03). Adjustments for multiple comparisons were not applied. CONCLUSIONS This study provides weak statistical evidence in favour of textured insoles. Wearing textured insoles may alter measures of balance, suggestive of greater stability, in people with diabetic neuropathy. Plantar stimulation, through textured insoles, may have the capacity to modulate the perception of foot pain, leading to improved well-being.IMPLICATIONS FOR REHABILITATIONShort-term wear of textured insoles can lead to improvements in centre of pressure sway measures when standing on a compliant supporting surface.Wearing textured insoles may have the capacity to help relieve foot pain leading to enhanced self-perceived vitality in people with diabetic peripheral neuropathy.
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Affiliation(s)
- Anna L Hatton
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
| | - Mark D Chatfield
- Centre for Health Sciences Research, The University of Queensland, Brisbane, Australia
| | - Elise M Gane
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia
| | - Jayishni N Maharaj
- School of Allied Health Sciences, Griffith University, Gold Coast, Australia
| | - Thomas Cattagni
- Laboratory Movement, Interactions, Performance EA 4334, University of Nantes, Nantes, France
| | - Joshua Burns
- Faculty of Medicine and Health & Children's Hospital at Westmead, University of Sydney School of Health Sciences, Sydney, Australia
| | - Joanne Paton
- School of Health Professions, Faculty of Health, University of Plymouth, Plymouth, UK
| | - Keith Rome
- School of Clinical Sciences, Auckland University of Technology, Auckland, New Zealand
| | - Graham Kerr
- Movement Neuroscience Group, School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, Australia
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Mahalingasivam AA, Jespersen AK, Ejskjaer N, Hougaard DD, Vestergaard P, Rasmussen NHH, Røikjer J. The co-existence of peripheral and vestibular neuropathy in diabetes: a cross-sectional study. Eur Arch Otorhinolaryngol 2024; 281:663-672. [PMID: 37515636 PMCID: PMC10796646 DOI: 10.1007/s00405-023-08130-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/12/2023] [Indexed: 07/31/2023]
Abstract
PURPOSE Diabetic neuropathy can lead to decreased peripheral sensation and motor neuron dysfunction associated with impaired postural control and risk of falling. However, the relationship between decreased peripheral sensation and impaired vestibular function in diabetes mellitus is poorly investigated. Therefore, the aim of this study was to investigate the relationship between peripheral and autonomic measurements of diabetic neuropathy and measurements of vestibular function. METHODS A total of 114 participants with type 1 diabetes (n = 52), type 2 diabetes (n = 51) and controls (n = 11) were included. Vestibular function was evaluated by video head impulse testing. Peripheral neuropathy was assessed by quantitative sensory testing and nerve conduction. Autonomic neuropathy using the COMPASS 31 questionnaire. Data were analyzed according to data type and distribution. RESULTS Measurements of vestibular function did not differ between participants with type 1 diabetes, type 2 diabetes or controls (all p-values above 0.05). Subgrouping of participants according to the involvement of large-, small- or autonomic nerves did not change this outcome. Correlation analyses showed a significant difference between COMPASS 31 and right lateral gain value (ρ = 0.23, p = 0.02,), while no other significant correlations were found. CONCLUSION Diabetic neuropathy does not appear to impair vestibular function in diabetes, by means of the VOR. CLINICAL TRIALS NCT05389566, May 25th, 2022.
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Affiliation(s)
| | | | - Niels Ejskjaer
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Aalborg, Denmark
- Department of Endocrinology, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Dan Dupont Hougaard
- Balance & Dizziness Centre, Department of Otolaryngology, Head and Neck Surgery and Audiology, Aalborg University Hospital, Aalborg, Denmark
| | - Peter Vestergaard
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Aalborg, Denmark
- Department of Endocrinology, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Nicklas Højgaard-Hessellund Rasmussen
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Aalborg, Denmark
- Department of Endocrinology, Aalborg University Hospital, Aalborg, Denmark
| | - Johan Røikjer
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Aalborg, Denmark.
- Integrative Neuroscience, Aalborg University, Søndre Skovvej 3E, 9000, Aalborg, Denmark.
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Mansi MK, Chockalingam N, Chatzistergos PE. The enhanced paper grip test can substantially improve community screening for the risk of falling. Gait Posture 2024; 108:157-163. [PMID: 38091629 DOI: 10.1016/j.gaitpost.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/28/2023] [Accepted: 12/06/2023] [Indexed: 02/02/2024]
Abstract
BACKGROUND Lower-limb strength measures can enhance falls risk assessment but due to the lack of clinically applicable methods, such measures are not included in current screening. The enhanced paper grip test (EPGT) is a simple-to-use and cost-effective test that could fill this gap. However, its outcome measure (EPGT force) has not yet been directly linked to the risk of falling. RESEARCH QUESTION Is the EPGT a good candidate for falls risk screening in older people in the community? METHODS Seventy-one older people living independently in the community were recruited for this prospective observational study (median age 69 y, range 65y-79y). Lower-limb and whole-body strength were assessed at baseline using the EPGT and a standardised hand-grip method respectively. Incident falls were recorded monthly for a year through follow-up telephone conversations. The capacity of individual strength measures to predict falls and to enhance an established falls risk assessment tool (FRAT) commonly used by UK's national health service (NHS) was assessed using binomial logistic regression. The analysis was repeated for the subset of participants without history of falling at baseline (prediction of first-ever falls). RESULTS Increased EPGT force and increased symmetry in strength between limbs were significantly associated with reduced risk of falling. Compared to the NHS-FRAT, the EPGT correctly classified more people (73% vs 69%), it achieved higher sensitivity (56% vs 26%) and higher negative predictive value (76% vs 68%). Complementing the NHS-FRAT with the EPGT produced a more comprehensive model that correctly classified 91% of participants and achieved 98% specificity, 81% sensitivity, 89% negative and 96% positive predictive value. Replacing the EPGT with hand-grip strength consistently undermined prediction accuracy. The EPGT remained highly accurate when focused on the prediction of first-ever falls. SIGNIFICANCE The EPGT can substantially enhance falls screening in the community. These results can also inform effective personalised strength exercise interventions.
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Affiliation(s)
- Mahmoud K Mansi
- Centre for Biomechanics and Rehabilitation Technologies, School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
| | - Nachiappan Chockalingam
- Centre for Biomechanics and Rehabilitation Technologies, School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
| | - Panagiotis E Chatzistergos
- Centre for Biomechanics and Rehabilitation Technologies, School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK.
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DiLiberto FE, Kamath HER, Olson ML, Cherchi M, Helminski JO, Schubert MC. When, where, and why should we look for vestibular dysfunction in people with diabetes mellitus? FRONTIERS IN REHABILITATION SCIENCES 2024; 4:1306010. [PMID: 38273862 PMCID: PMC10808374 DOI: 10.3389/fresc.2023.1306010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024]
Abstract
The biochemistry of diabetes mellitus results in multi-system tissue compromise that reduces functional mobility and interferes with disease management. Sensory system compromise, such as peripheral neuropathy and retinopathy, are specific examples of tissue compromise detrimental to functional mobility. There is lack of clarity regarding if, when, and where parallel changes in the peripheral vestibular system, an additional essential sensory system for functional mobility, occur as a result of diabetes. Given the systemic nature of diabetes and the plasticity of the vestibular system, there is even less clarity regarding if potential vestibular system changes impact functional mobility in a meaningful fashion. This commentary will provide insight as to when we should employ diagnostic vestibular function tests in people with diabetes, where in the periphery we should look, and why testing may or may not matter. The commentary concludes with recommendations for future research and clinical care.
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Affiliation(s)
- Frank E. DiLiberto
- Department of Audiology and Speech Pathology, Captain James A. Lovell Federal Health Care Center, North Chicago, IL, United States
- Department of Physical Therapy, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Heather E. R. Kamath
- Department of Audiology and Speech Pathology, Captain James A. Lovell Federal Health Care Center, North Chicago, IL, United States
| | - Maxine L. Olson
- Department of Audiology and Speech Pathology, Captain James A. Lovell Federal Health Care Center, North Chicago, IL, United States
- Department of Physical Therapy, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Marcello Cherchi
- Neurology, University of Chicago Medicine, Chicago, IL, United States
| | - Janet O. Helminski
- Department of Physical Therapy, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States
| | - Michael C. Schubert
- Laboratory of Vestibular NeuroAdaptation, Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, MD, United States
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Tamaki T, Muramatsu K, Ikutomo M, Komagata J. Effects of low-intensity exercise on contractile property of skeletal muscle and the number of motor neurons in diabetic rats. Anat Sci Int 2024; 99:106-117. [PMID: 37768514 DOI: 10.1007/s12565-023-00741-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023]
Abstract
The mode of diabetes-induced muscle and motor neuron damage depends on the type of muscle and motor neuron. One of the purposes of exercise therapy for diabetes is to improve blood glucose levels; however, information on the effects of low-intensity exercise on muscle and motor neuron disorders remain unknown. Therefore, this study aimed to examine the effects of low-intensity exercise on diabetes-induced muscle and motor neuron damage in a rat model of type 1 diabetes mellitus. We subjected adult male Wistar rats treated with streptozotocin to develop type 1 diabetes and age-matched rats to low-intensity treadmill exercise for 12 weeks. We recorded electrically evoked maximum twitch tension in leg muscles, and examined the number of motor neurons and cell body sizes. Low-intensity exercise ameliorated the prolonged half-relaxation time and the decreased numbers of the retrograde-labeled motor neurons observed in the soleus muscle of type 1 diabetic rats. However, no effect was observed in the diabetic group, as atrophy was not improved and the twitch force in the medial gastrocnemius muscle was decreased in the diabetic group. In addition, there was no improvement in the blood glucose levels after exercise. These data indicate that low-intensity exercise may relieve the onset of muscle and motor neuron damage in the soleus muscle of type 1 diabetic rats.
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Affiliation(s)
- Toru Tamaki
- Department of Physical Therapy, Nagoya Women's University, 3-40 Shioji-cho, Mizuho-Ku, Nagoya, Aichi, 467-8610, Japan.
- Department of Physical Therapy, Health Science University, 7187 Kodachi, Fujikawaguchiko-Town, Yamanashi, 401-0380, Japan.
| | - Ken Muramatsu
- Department of Physical Therapy, Kyorin University, 5-4-1 Simorenzyaku, Mitaka-City, Tokyo, 181-8612, Japan
| | - Masako Ikutomo
- Department of Physical Therapy, University of Tokyo Health Sciences, 4-11 Ochiai, Tama-City, Tokyo, 206-0003, Japan
| | - Junya Komagata
- Department of Physical Therapy, Nagoya Women's University, 3-40 Shioji-cho, Mizuho-Ku, Nagoya, Aichi, 467-8610, Japan
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Mansi MK, Chockalingam N, Chatzistergos PE. An exploration of the mechanistic link between the enhanced paper grip test and the risk of falling. Foot (Edinb) 2023; 57:102059. [PMID: 37926054 DOI: 10.1016/j.foot.2023.102059] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 10/29/2023] [Indexed: 11/07/2023]
Abstract
The enhanced paper grip test (EPGT) offers an easy-to-use measure of hallux plantar-flexion strength that does not need expensive specialised equipment. Literature suggests that it could be a useful screening tool to assess the risk of falling in older people. However, research on a specific mechanistic link to the risk of falling is lacking. It is hypothesised here that muscle weakening (assessed by the EPGT) is indicative of impaired ability to recover balance after a slip or a trip. To get an initial assessment of validity of the above hypothesis, the EPGT is compared against an established lab-based measure of lower-limb strength that is capable of assessing a person's ability to recover balance after a slip or a trip: maximum isometric leg press push-off force (leg press force). A gender-balanced sample of twenty people (median age=34 y) was recruited. Two different but equaly valid techniques of administering the EPGT were included regarding whether the participants' ankle was supported by the examiner or not. Results for the two EPGT techniques differed susbtantialy but they were both significantly associated with leg press force and therefore linked to better ability to maintain balance after a slip or a trip. The "ankle not held" EPGT technique was more strongly correlated to leg press force (r(18) = 0.652, p = 0.002) than the "ankle held" (r(18) = 0.623, p = 0.003) and appears to be the more favourable technique to administer the EPGT. These findings offer new insight on a potential mechanistic link between the EPGT and the risk of falling and support its optimal use in future research involving older people.
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Affiliation(s)
- Mahmoud K Mansi
- Centre for Biomechanics and Rehabilitation Technologies, School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
| | - Nachiappan Chockalingam
- Centre for Biomechanics and Rehabilitation Technologies, School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
| | - Panagiotis E Chatzistergos
- Centre for Biomechanics and Rehabilitation Technologies, School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK.
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Jørgensen IEH, Devantier L, Tankisi H, Andersen H, Khan KS. The impact of vestibular dysfunction on falls and postural instability in individuals with type 2 diabetes with and without diabetic polyneuropathy. PeerJ 2023; 11:e16382. [PMID: 38025708 PMCID: PMC10652841 DOI: 10.7717/peerj.16382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 10/09/2023] [Indexed: 12/01/2023] Open
Abstract
Aim This study aimed to determine the association between vestibular dysfunction, falls, and postural instability in individuals with type 2 diabetes (T2D) compared to healthy control individuals and to examine the impact of diabetic polyneuropathy (DPN). Methods This cross-sectional study included individuals with T2D with DPN (n = 43), without DPN (n = 32), and healthy controls (n = 32). Cervical and ocular vestibular evoked myogenic potentials (VEMP) were recorded, and latencies and amplitudes were determined. DPN was diagnosed based on nerve conduction studies and clinical scores. Postural instability was examined using a static posturographic balance system and calculated as an instability index (ST). Falls were recorded retrospectively during the past year. Group comparisons were conducted by using univariate and bivariate statistics. Results Individuals with T2D experienced more falls than healthy controls (T2D with DPN n = 12[38%], T2D without DPN n = 15[35%], controls n = 5[16%], p = 0.04). Individuals with T2D had decreased postural stability, T2D with DPN, ST (median of 52[iqi = 33; 77]), T2D without DPN, ST (median of 31[iqi = 24; 39]), controls ST (median of 26[iqi = 19; 33], p = 0.01), when comparing all three groups. Individuals with T2D had a greater number of no-responses in oVEMP compared to controls (T2D with DPN, n = 15[46.9%] T2D without DPN n = 25[58.1%], controls n = 9[28.1%], p = 0.04). No difference was found in cVEMP and oVEMP amplitudes in any of the groups. Irrespectively of DPN, fallers with T2D had decreased oVEMP and cVEMP latencies on the right ears, when comparing to non-fallers, respectively, n10 (fallers [median of 16, iqi=15;19 ms.] vs. non-fallers [median of 25 iqi=16;35 ms]); p13 (fallers [median of 16, iqi=15;17 ms.] vs. non-fallers [median of 15, iqi=8;16 ms.], p < 0.05). Conclusion Falls and postural instability were more frequent in individuals with T2D compared to healthy controls. Fallers with T2D had vestibular end-organ impairments based on the oVEMP and cVEMP latencies on the right but not the left ears, irrespective of DPN. Individuals with T2D had more frequent no-response of the oVEMP, indicating impaired vestibular nerve function.
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Affiliation(s)
| | - Louise Devantier
- Department of Otorhinolaryngology, Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Hatice Tankisi
- Department of Clinical Neurophysiology, Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Henning Andersen
- Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
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Hu XX, Yang XG, Wang X, Ma X, Geng X. The influence of diabetes and age-related degeneration on body balance control during static standing: a study based on plantar center-of-pressure trajectories and principal component analysis. J Orthop Surg Res 2023; 18:740. [PMID: 37775789 PMCID: PMC10542244 DOI: 10.1186/s13018-023-04129-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 08/23/2023] [Indexed: 10/01/2023] Open
Abstract
BACKGROUND Aging and diabetes can impair the balance function of the elderly and diabetic patients and increase their fall risk. This study aimed to assess the shaking amplitude of the center-of-pressure (CoP) during static standing, to analyze the effects of aging and diabetes on the balance control. MATERIALS AND METHODS This cross-sectional observational study, compared the balance performance of 20 healthy younger adults (27.65 ± 5.60 years), 16 healthy older adults (58.88 ± 3.54 years) and 15 diabetic patients (58.33 ± 5.33 years) in four static standing conditions on a force plate: horizontal, anteroposterior (AP), left and right slope planes (5° angles on AP, left and right directions, respectively). The trajectory coordinates of the CoP over time were recorded and analyzed by principal components analysis to obtain the 95% confidence ellipse and its parameters: angle, major and minor axes lengths, and area. The balance indicators were compared among the three groups using one-way analysis of variance (ANOVA), Brown-Forsythe test or Kruskal-Wallis H test, depending on the normality and homogeneity of variance assumptions. RESULTS The diabetic group had a significantly larger confidence ellipse area than the healthy younger adults on the horizontal plane (P = 0.032) and than the healthy older adults on the horizontal (P = 0.036), AP slope (P = 0.023), and right ML slope (P = 0.037) planes. There were no significant differences in the major axis length of the confidence ellipse among the three groups. The diabetic group had a significantly longer minor axis length than the healthy younger adults on the AP slope (P = 0.039), left ML slope (P = 0.045) and right ML slope (P = 0.016) planes and than the healthy older adults on the AP slope (P = 0.007), left ML slope (P = 0.035) and right ML slope (P = 0.012) planes. CONCLUSIONS The balance control of diabetic patients is decreased compared with healthy younger and older people, and the body swing amplitude increases mainly in the direction of minor axis of confidence ellipse during static standing, while the swing amplitude in the direction of the major axis has no significant change. Evaluating the balance function of diabetic patients can help clinicians identify people with fall risk early and intervene early, thereby reducing the occurrence of fall events in this population.
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Affiliation(s)
- Xing-Xi Hu
- Department of Orthopedic Surgery, Huashan Hospital, Fudan University, No.12 Wulumuqi Middle Road, Shanghai, 200040, China
| | - Xiong-Gang Yang
- Department of Orthopaedics, The First People's Hospital of Yunnan Province, Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, China
- Yunnan Key Laboratory of Digital Orthopaedics, Kunming, 650032, China
| | - Xu Wang
- Department of Orthopedic Surgery, Huashan Hospital, Fudan University, No.12 Wulumuqi Middle Road, Shanghai, 200040, China
| | - Xin Ma
- Department of Orthopedic Surgery, Huashan Hospital, Fudan University, No.12 Wulumuqi Middle Road, Shanghai, 200040, China.
| | - Xiang Geng
- Department of Orthopedic Surgery, Huashan Hospital, Fudan University, No.12 Wulumuqi Middle Road, Shanghai, 200040, China.
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Hicks CW, Wang D, Daya N, Juraschek SP, Matsushita K, Windham BG, Selvin E. The association of peripheral neuropathy detected by monofilament testing with risk of falls and fractures in older adults. J Am Geriatr Soc 2023; 71:1902-1909. [PMID: 36945108 PMCID: PMC10330924 DOI: 10.1111/jgs.18338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 03/23/2023]
Abstract
BACKGROUND In persons with diabetes, annual screening for peripheral neuropathy (PN) using monofilament testing is the standard of care. However, PN detected by monofilament testing is common in older adults, even in the absence of diabetes. We aimed to assess the association of PN with risk of falls and fractures in older adults. METHODS We included participants in the Atherosclerosis Risk in Communities (ARIC) Study who underwent monofilament testing at visit 6 (2016-2017). Incident falls and fractures were identified based on ICD-9 and ICD-10 codes from active surveillance of all hospitalizations and linkage to Medicare claims. We used Cox models to assess the association of PN with falls and fractures (combined and as separate outcomes) after adjusting for demographics and risk factors for falls. RESULTS There were 3617 ARIC participants (mean age 79.4 [SD 4.7] years, 40.8% male, and 21.4% Black adults), of whom 1242 (34.3%) had PN based on monofilament testing. During a median follow-up of 2.5 years, 371 participants had a documented fall, and 475 participants had a documented fracture. The incidence rate (per 1000 person-years) for falls or fractures for participants with PN versus those without PN was 111.1 versus 74.3 (p < 0.001). The age-, sex-, and race-adjusted 3-year cumulative incidence of incident fall or fracture was significantly higher for participants with PN versus those without PN (26.5% vs. 18.4%, p < 0.001). After adjusting for demographics, PN remained independently associated with falls and fractures (HR 1.48, 95% CI 1.26, 1.74). Results were similar for models including traditional risk factors for falls, when falls and fractures were analyzed as separate outcomes, and after adjustment for competing risk of death. CONCLUSIONS PN, as measured by monofilament testing, is common in older adults and associated with risk of falls and fracture. Screening with monofilament testing may be warranted to identify older adults at high risk for falls.
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Affiliation(s)
- Caitlin W. Hicks
- Division of Vascular Surgery and Endovascular Therapy, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Dan Wang
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Natalie Daya
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Stephen P. Juraschek
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Kunihiro Matsushita
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - B. Gwen Windham
- Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Elizabeth Selvin
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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Gialanella B, Comini L, Prometti P, Vanoglio F, Santoro R. Effects of Motor Rehabilitation on Balance and Functional Activities in Elderly Patients with Peripheral Neuropathy and Recurrent Falls. Life (Basel) 2023; 13:life13041059. [PMID: 37109588 PMCID: PMC10144929 DOI: 10.3390/life13041059] [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: 03/16/2023] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
To date, little is known about the effects of motor rehabilitation in peripheral neuropathy (PN) patients with a history of recurrent falls (RFH). This study aimed to assess balance and the activities of daily living (ADLs) in elderly lower limb PN patients with and without RFH and to verify the effects of motor rehabilitation on balance and ADLs in these patients. We collected data from 64 lower limb PN patients, who underwent a conventional motor rehabilitation program: 35 patients had a history of recurrent falls, and 29 did not. The Berg Balance Scale (BBS) and motor FIM, before and after rehabilitation, were the outcome measures. After rehabilitation, lower limb PN patients with RFH had significantly higher scores in BBS and motor FIM (p < 0.001, for both) than at entry. The final BBS score and effectiveness in the BBS score of lower limb PN patients with RFH were lower than those of patients without RFH (p < 0.05 and p = 0.009, respectively). The study shows that conventional motor rehabilitation improves both balance and ADLs in patients, but balance improvement is lower in those with RFH. Thus, motor rehabilitation can be a therapeutic option for the management of these patients.
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Affiliation(s)
- Bernardo Gialanella
- Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation of the Institute of Lumezzane, 25065 Lumezzane, Italy
| | - Laura Comini
- Istituti Clinici Scientifici Maugeri IRCCS, Scientific Direction of the Institute of Lumezzane, 25065 Lumezzane, Italy
| | | | - Fabio Vanoglio
- Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation of the Institute of Lumezzane, 25065 Lumezzane, Italy
| | - Raffaele Santoro
- Istituti Clinici Scientifici Maugeri IRCCS, Neurorehabilitation of the Institute of Lumezzane, 25065 Lumezzane, Italy
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Sonoda Y, Maeshige N, Uemura M, Imaoka S, Kawabe N, Hayashi H, Fujii M, Tsuji Y, Furukawa M, Kohzuki M, Terashi H. Effect of Partial Foot Amputation Level on Gait Independence in Patients With Chronic Lower Extremity Wounds: A Retrospective Analysis of a Japanese Multicenter Database. INT J LOW EXTR WOUND 2023:15347346231158864. [PMID: 36814399 DOI: 10.1177/15347346231158864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Partial foot amputation (PFA) is generally planned to minimize the amputation level; nonetheless, the effect of PFA levels on gait independence in amputees remains unclear. This study aimed to investigate the impact of PFA levels of the forefoot on gait independence in patients with chronic lower extremity (LE) wounds. This multicenter retrospective cohort study included 232 hospitalized Japanese patients treated and rehabilitated for chronic LE wounds. A multivariate analysis based on PFA levels was conducted for gait independence at discharge, with age and comorbidities as independent variables. Patients with Lisfranc amputation had significantly less independent gait than patients with more distal amputation and those without amputation (<22% vs >40%; P = .027; Fisher's exact test). Logistic regression analysis revealed that Lisfranc amputation (odds ratio [OR]: 0.257, P = .047), age (OR: 0.559, P = .043), and chronic limb-threatening ischemia (OR: 0.450, P = .010) were independent factors associated with gait independence. Additionally, the regression model confirmed discrimination performance using the C index (0.691, P < .001) with receiver operating characteristic analysis. In patients with chronic LE wounds undergoing PFA, Lisfranc amputation was negatively associated with gait independence.
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Affiliation(s)
- Yuma Sonoda
- Advanced Research Center for Well-being, 12885Kobe University, Kobe, Hyogo, Japan
| | - Noriaki Maeshige
- 91723Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Kobe, Hyogo, Japan
| | - Mikiko Uemura
- 91723Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Kobe, Hyogo, Japan
- 38082Faculty of Health Science, Kansai University of Welfare Sciences, Kashiwara, Osaka, Japan
| | - Shinsuke Imaoka
- 38411Department of Rehabilitation, Oita Oka Hospital, Oita, Oita, Japan
| | - Nobuhide Kawabe
- 13101Faculty of Makuhari Human Care, Tohto University, Makuhari, Chiba, Japan
| | - Hisae Hayashi
- 38291Faculty of Health and Medical Sciences, Aichi Shukutoku University, Nagakute, Aichi, Japan
| | - Miki Fujii
- Department of Plastic and Reconstructive Surgery, Juntendo University School of Medicine, Tokyo, Japan
- Division of Regenerative Therapy, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yoriko Tsuji
- Unit of Podiatric Medicine, 38303Kobe University Graduate School of Medicine, Department of Plastic Surgery, Kobe, Hyogo, Japan
| | | | - Masahiro Kohzuki
- 13302Department of Health Sciences, Yamagata Prefectural University of Health Sciences, Yamagata, Yamagata, Japan
| | - Hiroto Terashi
- 38303Department of Plastic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
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12
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Kalu ME, Dal Bello-Haas V, Griffin M, Boamah SA, Harris J, Zaide M, Rayner D, Khattab N, Bhatt V, Goodin C, Song JW(B, Smal J, Budd N. Physical mobility determinants among older adults: a scoping review of self-reported and performance-based measures. EUROPEAN JOURNAL OF PHYSIOTHERAPY 2022. [DOI: 10.1080/21679169.2022.2153303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Michael E. Kalu
- School of Rehabilitation Science, Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Vanina Dal Bello-Haas
- School of Rehabilitation Science, Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Meridith Griffin
- Department of Health, Aging & Society, Faculty of Social Science, McMaster University, Hamilton, Canada
| | - Sheila A. Boamah
- School of Nursing, Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Jocelyn Harris
- School of Rehabilitation Science, Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Mashal Zaide
- Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Daniel Rayner
- Department of Health Science, Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Nura Khattab
- Department of Kinesiology, Faculty of Sciences, McMaster University, Hamilton, Canada
| | - Vidhi Bhatt
- Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | | | | | - Justin Smal
- Manitoulin Physio Centre, M'Chigeeng, Canada
| | - Natalie Budd
- The Arthtitis and Sports Medicine Centre, Ancaster, Canada
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13
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Grabowska W, Burton W, Kowalski MH, Vining R, Long CR, Lisi A, Hausdorff JM, Manor B, Muñoz-Vergara D, Wayne PM. A systematic review of chiropractic care for fall prevention: rationale, state of the evidence, and recommendations for future research. BMC Musculoskelet Disord 2022; 23:844. [PMID: 36064383 PMCID: PMC9442928 DOI: 10.1186/s12891-022-05783-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 08/25/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Falls in older adults are a significant and growing public health concern. There are multiple risk factors associated with falls that may be addressed within the scope of chiropractic training and licensure. Few attempts have been made to summarize existing evidence on multimodal chiropractic care and fall risk mitigation. Therefore, the broad purpose of this review was to summarize this research to date. BODY: Systematic review was conducted following PRISMA guidelines. Databases searched included PubMed, Embase, Cochrane Library, PEDro, and Index of Chiropractic Literature. Eligible study designs included randomized controlled trials (RCT), prospective non-randomized controlled, observational, and cross-over studies in which multimodal chiropractic care was the primary intervention and changes in gait, balance and/or falls were outcomes. Risk of bias was also assessed using the 8-item Cochrane Collaboration Tool. The original search yielded 889 articles; 21 met final eligibility including 10 RCTs. One study directly measured the frequency of falls (underpowered secondary outcome) while most studies assessed short-term measurements of gait and balance. The overall methodological quality of identified studies and findings were mixed, limiting interpretation regarding the potential impact of chiropractic care on fall risk to qualitative synthesis. CONCLUSION Little high-quality research has been published to inform how multimodal chiropractic care can best address and positively influence fall prevention. We propose strategies for building an evidence base to inform the role of multimodal chiropractic care in fall prevention and outline recommendations for future research to fill current evidence gaps.
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Affiliation(s)
- Weronika Grabowska
- Brigham and Women's Hospital and Harvard Medical School Division of Preventive Medicine, Osher Center for Integrative Medicine, 900 Commonwealth Avenue, 3rd Floor, Boston, MA, 02215, USA
| | - Wren Burton
- Brigham and Women's Hospital and Harvard Medical School Division of Preventive Medicine, Osher Center for Integrative Medicine, 900 Commonwealth Avenue, 3rd Floor, Boston, MA, 02215, USA.
| | - Matthew H Kowalski
- Osher Clinical Center for Integrative Medicine, Brigham and Women's Healthcare Center, 850 Boylston Street, Suite 422, Chestnut Hill, MA, 02445, USA
| | - Robert Vining
- Palmer Center for Chiropractic Research, 1000 Brady Street, Davenport, IA, 52803, USA
| | - Cynthia R Long
- Palmer Center for Chiropractic Research, 1000 Brady Street, Davenport, IA, 52803, USA
| | - Anthony Lisi
- Yale University Center for Medical Informatics, 300 George Street, Suite 501, New Haven, CT, USA
| | - Jeffrey M Hausdorff
- Center for the Study of Movement Cognition and Mobility, Tel Aviv Sourasky Medical Center, Dafna St 5, Tel Aviv-Yafo, Israel
| | - Brad Manor
- Hinda and Arthur Marcus Institute for Aging Research, 1200 Centre Street, Boston, MA, 02131, USA
| | - Dennis Muñoz-Vergara
- Brigham and Women's Hospital and Harvard Medical School Division of Preventive Medicine, Osher Center for Integrative Medicine, 900 Commonwealth Avenue, 3rd Floor, Boston, MA, 02215, USA
| | - Peter M Wayne
- Brigham and Women's Hospital and Harvard Medical School Division of Preventive Medicine, Osher Center for Integrative Medicine, 900 Commonwealth Avenue, 3rd Floor, Boston, MA, 02215, USA
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14
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Rasmussen NH, Vestergaard P. Diabetes and osteoporosis - Treating two entities: A challenge or cause for concern? Best Pract Res Clin Rheumatol 2022; 36:101779. [PMID: 36154803 DOI: 10.1016/j.berh.2022.101779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
People with T1D and T2D have an increased risk of fractures than the general population, posing several significant pathophysiologic, diagnostic, and therapeutic challenges. The pathophysiology is still not fully elucidated, but it is considered a combination of increased skeletal fragility and falls. Diagnostics issues exist, as regular and even newer scan methods underestimate the true incidence of osteoporosis and thus the fracture risk. Therefore, co-managing diabetes and osteoporosis by using top-line strategies is essential to preserve bone health and minimize the risk of falls. The therapeutic focus should start with lifestyle implementation and physical exercise interventions to reduce diabetic complications, strengthen bones, and improve postural control strategies. In addition, osteoporosis should be treated according to current guidelines by including bisphosphonates and antidiabetic drugs that support bone health. Finally, potentially modifiable risk factors for falls should be managed.
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Affiliation(s)
| | - Peter Vestergaard
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Denmark
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15
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Suzuki Y, Suzuki H, Ishikawa T, Yamada Y, Yatoh S, Sugano Y, Iwasaki H, Sekiya M, Yahagi N, Hada Y, Shimano H. Exploratory analysis using machine learning of predictive factors for falls in type 2 diabetes. Sci Rep 2022; 12:11965. [PMID: 35831378 PMCID: PMC9279484 DOI: 10.1038/s41598-022-15224-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 06/21/2022] [Indexed: 11/09/2022] Open
Abstract
We aimed to investigate the status of falls and to identify important risk factors for falls in persons with type 2 diabetes (T2D) including the non-elderly. Participants were 316 persons with T2D who were assessed for medical history, laboratory data and physical capabilities during hospitalization and given a questionnaire on falls one year after discharge. Two different statistical models, logistic regression and random forest classifier, were used to identify the important predictors of falls. The response rate to the survey was 72%; of the 226 respondents, there were 129 males and 97 females (median age 62 years). The fall rate during the first year after discharge was 19%. Logistic regression revealed that knee extension strength, fasting C-peptide (F-CPR) level and dorsiflexion strength were independent predictors of falls. The random forest classifier placed grip strength, F-CPR, knee extension strength, dorsiflexion strength and proliferative diabetic retinopathy among the 5 most important variables for falls. Lower extremity muscle weakness, elevated F-CPR levels and reduced grip strength were shown to be important risk factors for falls in T2D. Analysis by random forest can identify new risk factors for falls in addition to logistic regression.
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Affiliation(s)
- Yasuhiro Suzuki
- Department of Rehabilitation Medicine, University of Tsukuba Hospital, Tsukuba, Ibaraki, 305-8576, Japan.
| | - Hiroaki Suzuki
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan.
| | | | | | - Shigeru Yatoh
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yoko Sugano
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hitoshi Iwasaki
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Motohiro Sekiya
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Naoya Yahagi
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yasushi Hada
- Department of Rehabilitation Medicine, University of Tsukuba Hospital, Tsukuba, Ibaraki, 305-8576, Japan
| | - Hitoshi Shimano
- Department of Internal Medicine (Endocrinology and Metabolism), Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan.,International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan.,Life Science Center of Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan.,Japan Agency for Medical Research and Development-Core Research for Evolutional Science and Technology (AMED-CREST), Chiyoda-ku, Tokyo, 100-0004, Japan
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16
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Wingood M, Peterson E, Neville C, Vincenzo JL. Feet/Footwear-Related Fall Risk Screening Tool for Older Adults: Development and Content Validation. Front Public Health 2022; 9:807019. [PMID: 35186877 PMCID: PMC8847373 DOI: 10.3389/fpubh.2021.807019] [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: 11/01/2021] [Accepted: 12/16/2021] [Indexed: 11/29/2022] Open
Abstract
Background and Purpose Screening for feet- and footwear-related influences on fall risk is an important component of multifactorial fall risk screenings, yet few evidence-based tools are available for this purpose. We developed the Screening Tool for Feet/Footwear-Related Influences on Fall Risk to support interprofessional health care providers in their efforts to screen for feet/footwear-related influences on fall risk among community-dwelling older adults identified at risk for falling. Materials and Methods The study consisted of two phases. During Phase 1, results of a systematic review of lower-limb factors associated with balance and falls informed tool development. The tool's initial draft was evaluated by an external group of nine interprofessional content experts. After incorporating changes recommended by Phase 1 participants, Phase 2 was initiated. During Phase 2, eight new interprofessional experts (19.3 average years of experience) completed the three rounds of a modified Delphi study. Results Phase 1 experts recommended modifying eight items and rated the tool's clarity, appeal and clinical feasibility as 81.2/100, 79.1/100, and 76.1/100, respectively. Phase 2 participants suggested combining items with similar recommended actions, adding a question about orthoses, and increasing the specificity of nine items. The refinements resulted in a 20-item screening tool. Each item was approved by the Phase 2 participants with > 80% agreement after two rounds of consensus voting, reflecting the tool's high face and content validity. Conclusion The new screening tool has high face and content validity and supports identification of feet- and footwear-related influences on fall risk among community-dwelling older adults. The tool can be used by interprofessional healthcare providers completing a multifactorial fall risk screening on community-dwelling adults identified as being at risk for falling.
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Affiliation(s)
- Mariana Wingood
- Department of Rehabilitation and Movement Science, University of Vermont, Burlington, VT, United States
| | - Elizabeth Peterson
- Department of Occupational Therapy, University of Illinois at Chicago, Chicago, IL, United States
| | - Christopher Neville
- Department of Physical Therapy Education, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Jennifer L Vincenzo
- Department of Physical Therapy, University of Arkansas for Medical Sciences, Fayetteville, AR, United States
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17
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Favretto MA, Cossul S, Andreis FR, Nakamura LR, Ronsoni MF, Tesfaye S, Selvarajah D, Marques JLB. Alterations of tibialis anterior muscle activation pattern in subjects with type 2 diabetes and diabetic peripheral neuropathy. Biomed Phys Eng Express 2022; 8. [PMID: 34933285 DOI: 10.1088/2057-1976/ac455b] [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: 06/26/2021] [Accepted: 12/21/2021] [Indexed: 11/11/2022]
Abstract
Diabetic peripheral neuropathy (DPN) is associated with loss of motor units (MUs), which can cause changes in the activation pattern of muscle fibres. This study investigated the pattern of muscle activation using high-density surface electromyography (HD-sEMG) signals from subjects with type 2 diabetes mellitus (T2DM) and DPN. Thirty-five adults participated in the study: 12 healthy subjects (HV), 12 patients with T2DM without DPN (No-DPN) and 11 patients with T2DM with DPN (DPN). HD-sEMG signals were recorded in the tibialis anterior muscle during an isometric contraction of ankle dorsiflexion at 50% of the maximum voluntary isometric contraction (MVIC) during 30-s. The calculated HD-sEMG signals parameters were the normalised root mean square (RMS), normalised median frequency (MDF), coefficient of variation (CoV) and modified entropy (ME). The RMS increased significantly (p = 0.001) with time only for the DPN group, while the MDF decreased significantly (p < 0.01) with time for the three groups. Moreover, the ME was significantly lower (p = 0.005), and CoV was significantly higher (p = 0.003) for the DPN group than the HV group. Using HD-sEMG, we have demonstrated a reduction in the number of MU recruited by individuals with DPN. This study provides proof of concept for the clinical utility of this technique for identifying neuromuscular impairment caused by DPN.
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Affiliation(s)
- M A Favretto
- Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - S Cossul
- Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - F R Andreis
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - L R Nakamura
- Department of Informatics and Statistics, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - M F Ronsoni
- Department of Endocrinology and Metabolism, University Hospital, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - S Tesfaye
- Diabetes Research Department, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - D Selvarajah
- Department of Oncology and Human Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - J L B Marques
- Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
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18
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Orlando G, Balducci S, Boulton AJM, Degens H, Reeves ND. Neuromuscular dysfunction and exercise training in people with diabetic peripheral neuropathy: A narrative review. Diabetes Res Clin Pract 2022; 183:109183. [PMID: 34929255 DOI: 10.1016/j.diabres.2021.109183] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/29/2021] [Accepted: 12/13/2021] [Indexed: 11/21/2022]
Abstract
Diabetic peripheral neuropathy (DPN) is a common condition that is associated with neuromuscular dysfunction and peripheral sensory impairment. These deficits predispose patients to sensory and motor system limitations, foot ulcers and a high risk of falls. Exercise training has been proposed as an effective tool to alleviate neural deficits and improve whole-body function. Here we review the effects of DPN on neuromuscular function, the mechanisms underlying this impairment, and the neural and muscular adaptations to exercise training. Muscle dysfunction is an early hallmark of DPN. Deficits in muscle strength, power, mass and a greater fatigability are particularly severe in the lower extremity muscles. Non-enzymatic glycation of motor proteins, impaired excitation-contraction coupling and loss of motor units have been indicated as the main factors underlying muscular dysfunction. Among the exercise-based solutions, aerobic training improves neural structure and function and ameliorates neuropathic signs and symptoms. Resistance training induces marked improvement of muscle performance and may alleviate neuropathic pain. A combination of aerobic and resistance training (i.e., combined training) restores small sensory nerve damage, reduces symptoms, and improves muscle function. The evidence so far suggests that exercise training is highly beneficial and should be included in the standard care for DPN patients.
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Affiliation(s)
- Giorgio Orlando
- Research Centre for Musculoskeletal Science & Sports Medicine, Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, UK.
| | | | - Andrew J M Boulton
- Department of Medicine, Manchester Royal Infirmary, Manchester, UK; Diabetes Research Institute, University of Miami, Miami, FL, USA
| | - Hans Degens
- Research Centre for Musculoskeletal Science & Sports Medicine, Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, UK; Lithuanian Sport University, Kaunas, Lithuania
| | - Neil D Reeves
- Research Centre for Musculoskeletal Science & Sports Medicine, Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, UK
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19
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Rosenblatt NJ, Young J, Andersen R, Wu. SC, Crews RT. Diabetes and Reactive Balance: Quantifying Stepping Thresholds With a Simple Spring Scale to Measure Fall-Risk in Ambulatory Older Adults. J Diabetes Sci Technol 2021; 15:1352-1360. [PMID: 33354995 PMCID: PMC8655272 DOI: 10.1177/1932296820979970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Fall-risk assessments for patients with diabetes fail to consider reactive responses to balance loss. The purpose of this study was to assess the feasibility of using a simple clinical tool to evaluate the impact of diabetes and fall history on reactive balance in older adults. METHODS We recruited 72 older adults with and without diabetes. Postural perturbations were applied by a waist-mounted spring scale. Stepping thresholds (STs) in the anterior and posterior directions were defined as the lowest spring-loads that induced a step. Balance was assessed via the National Institutes of Health Toolbox Standing Balance Test, and lower extremity sensation was assessed using vibratory perception threshold and Semmes-Weinstein monofilaments. Fall history over the past year was self-reported. Cox regressions and analysis of variance were used to compare hazard rates for stepping and observed STs between groups. RESULTS Anterior STs were elicited in 42 subjects and posterior STs in 65 subjects. Hazard rates for posterior ST were significantly affected by diabetes, with greater hazards for fallers with diabetes versus control fallers and nonfallers, after accounting for balance and sensory loss. For those who stepped, ST was lower in the posterior direction for the diabetes group. Additionally, anterior but not posterior ST was lower in all fallers vs all nonfallers. CONCLUSIONS The waist-mounted spring scale is a clinically implementable device that can assess ST in older adults with diabetes. Using the device, we demonstrated that ST was affected by diabetes and could potentially serve as a fall-risk factor independent of balance or sensory loss.
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Affiliation(s)
- Noah J. Rosenblatt
- Dr William M. Scholl College of
Podiatric Medicine’s Center for Lower Extremity Ambulatory Research (CLEAR) at
Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
- Noah Rosenblatt, Dr. William M. Scholl
College of Podiatric Medicine’s Center for Lower Extremity Ambulatory Research
(CLEAR) at Rosalind Franklin University of Medicine and Science, 3333 Green Bay
Road, North Chicago, IL 60064, USA.
| | - Jennifer Young
- Dr William M. Scholl College of
Podiatric Medicine’s Center for Lower Extremity Ambulatory Research (CLEAR) at
Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Ryley Andersen
- Dr William M. Scholl College of
Podiatric Medicine’s Center for Lower Extremity Ambulatory Research (CLEAR) at
Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Stephanie C. Wu.
- Dr William M. Scholl College of
Podiatric Medicine’s Center for Lower Extremity Ambulatory Research (CLEAR) at
Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Ryan T. Crews
- Dr William M. Scholl College of
Podiatric Medicine’s Center for Lower Extremity Ambulatory Research (CLEAR) at
Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
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20
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Khan KS, Christensen DH, Nicolaisen SK, Gylfadottir SS, Jensen TS, Nielsen JS, Thomsen RW, Andersen H. Falls and fractures associated with type 2 diabetic polyneuropathy: A cross-sectional nationwide questionnaire study. J Diabetes Investig 2021; 12:1827-1834. [PMID: 33686761 PMCID: PMC8504903 DOI: 10.1111/jdi.13542] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 02/10/2021] [Accepted: 02/24/2021] [Indexed: 11/29/2022] Open
Abstract
AIMS/INTRODUCTION To examine the prevalence of falls and fractures, and the association with symptoms of diabetic polyneuropathy (DPN) in patients with recently diagnosed type 2 diabetes. MATERIALS AND METHODS A detailed questionnaire on neuropathy symptoms and falls was sent to 6,726 patients enrolled in the Danish Center for Strategic Research in Type 2 Diabetes cohort (median age 65 years, diabetes duration 4.6 years). Complete data on fractures and patient characteristics were ascertained from population-based health registries. We defined possible DPN as a score ≥4 on the Michigan Neuropathy Screening Instruments questionnaire. Using Poisson regression analyses, we estimated the adjusted prevalence ratio (aPR) of falls and fractures, comparing patients with and without DPN. RESULTS In total, 5,359 patients (80%) answered the questions on the Michigan Neuropathy Screening Instruments questionnaire and falls. Within the year preceding the questionnaire response, 17% (n = 933) reported at least one fall and 1.4% (n = 76) suffered from a fracture. The prevalence ratio of falls was substantially increased in patients with possible DPN compared with those without (aPR 2.33, 95% confidence interval [CI] 2.06-2.63). The prevalence ratio increased with the number of falls from aPR 1.51 (95% CI 1.22-1.89) for one fall to aPR 5.89 (95% CI 3.84-9.05) for four or more falls within the preceding year. Possible DPN was associated with a slightly although non-significantly increased risk of fractures (aPR 1.32, 95% CI 0.75-2.33). CONCLUSIONS Patients with recently diagnosed type 2 diabetes and symptoms of DPN had a highly increased risk of falling. These results emphasize the need for preventive interventions to reduce fall risk among patients with type 2 diabetes and possible DPN.
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Affiliation(s)
- Karolina Snopek Khan
- Department of Clinical MedicineInternational Diabetic Neuropathy ConsortiumAarhus UniversityAarhusDenmark
- Department of NeurologyAarhus University HospitalAarhusDenmark
| | - Diana Hedevang Christensen
- Department of Clinical MedicineInternational Diabetic Neuropathy ConsortiumAarhus UniversityAarhusDenmark
- Department of Clinical EpidemiologyAarhus University HospitalAarhusDenmark
| | | | - Sandra Sif Gylfadottir
- Department of Clinical MedicineInternational Diabetic Neuropathy ConsortiumAarhus UniversityAarhusDenmark
- Department of Clinical MedicineDanish Pain Research CenterAarhus UniversityAarhusDenmark
| | - Troels Staehelin Jensen
- Department of Clinical MedicineInternational Diabetic Neuropathy ConsortiumAarhus UniversityAarhusDenmark
- Department of Clinical MedicineDanish Pain Research CenterAarhus UniversityAarhusDenmark
| | - Jens Steen Nielsen
- Department of Clinical MedicineInternational Diabetic Neuropathy ConsortiumAarhus UniversityAarhusDenmark
- The Danish Center for Strategic Research in Type 2 DiabetesSteno Diabetes Center OdenseOdense University HospitalOdenseDenmark
- Research Unit of SDCODepartment of Clinical ResearchUniversity of Southern DenmarkOdenseDenmark
| | | | - Henning Andersen
- Department of Clinical MedicineInternational Diabetic Neuropathy ConsortiumAarhus UniversityAarhusDenmark
- Department of NeurologyAarhus University HospitalAarhusDenmark
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21
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Khan KS, Pop-Busui R, Devantier L, Kristensen AG, Tankisi H, Dalgas U, Overgaard K, Andersen H. Falls in individuals with type 2 diabetes; a cross-sectional study on the impact of motor dysfunction, postural instability and diabetic polyneuropathy. Diabet Med 2021; 38:e14470. [PMID: 33259675 DOI: 10.1111/dme.14470] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 11/20/2020] [Accepted: 11/24/2020] [Indexed: 01/19/2023]
Abstract
AIM To estimate the incidence of falls in individuals with type 2 diabetes compared to healthy controls and to describe the characteristics of fallers with type 2 diabetes in relation to motor dysfunction, postural instability and diabetic polyneuropathy (DPN). METHODS This is a cross-sectional study of individuals with type 2 diabetes with DPN (n = 54), without DPN (n = 38) and healthy controls (n = 39). Falls were recorded within the preceding year. DPN was defined by clinical scores and nerve conduction studies. Motor function was assessed by a 6-min walk test (6 MWT), five-time sit-to-stand test (FTSST) and isokinetic dynamometry at the non-dominant ankle and knee. An instability index (ST) was measured using static posturography. Univariate and bivariate descriptive statistics were used for group comparisons. RESULTS Compared with healthy controls, individuals with diabetes had a higher incidence of falls 36%, (n = 33) versus 15%, (n = 6), p = 0.02. There were no differences in falls when comparing individuals with and without DPN. Fallers had an impaired 6 MWT versus non-fallers (450 ± 153 m vs. 523 ± 97 m respectively), a slower FTSST (11.9 ± 4.2 s vs. 10.3 ± 2.9 s respectively) and a higher ST (53 ± 29 vs. 41 ± 17 respectively), p < 0.02 for all. CONCLUSION Individuals with type 2 diabetes reported a higher number of falls within the preceding year compared to healthy controls, irrespective of the presence of DPN. The main factors associated with falls were increased postural instability, lower walking capacity and slower sit-to-stand movements. The 6 MWT, FTSST and posturography should be considered in future screening programs in identification of individuals at risk for falls.
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Affiliation(s)
- Karolina S Khan
- Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
- Faculty of Health, Aarhus University, Aarhus, Denmark
| | - Rodica Pop-Busui
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Louise Devantier
- Department of Oto-Rhino-Laryngology, Regional Hospital West Jutland, Denmark
| | - Alexander G Kristensen
- Faculty of Health, Aarhus University, Aarhus, Denmark
- Department of Clinical Neurophysiology, Aarhus University, Aarhus, Denmark
| | - Hatice Tankisi
- Faculty of Health, Aarhus University, Aarhus, Denmark
- Department of Clinical Neurophysiology, Aarhus University, Aarhus, Denmark
| | - Ulrik Dalgas
- Sport Biological Research, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Kristian Overgaard
- Sport Biological Research, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Henning Andersen
- Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
- Faculty of Health, Aarhus University, Aarhus, Denmark
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Zhu W, DeLonay A, Smith M, Carayon P, Li J. Reducing Fall-Related Revisits for Elderly Diabetes Patients in Emergency Departments: A Transition Flow Model. IEEE Robot Autom Lett 2021. [DOI: 10.1109/lra.2021.3082115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Reeves ND, Orlando G, Brown SJ. Sensory-Motor Mechanisms Increasing Falls Risk in Diabetic Peripheral Neuropathy. MEDICINA (KAUNAS, LITHUANIA) 2021; 57:medicina57050457. [PMID: 34066681 PMCID: PMC8150714 DOI: 10.3390/medicina57050457] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/16/2021] [Accepted: 04/30/2021] [Indexed: 12/25/2022]
Abstract
Diabetic peripheral neuropathy (DPN) is associated with peripheral sensory and motor nerve damage that affects up to half of diabetes patients and is an independent risk factor for falls. Clinical implications of DPN-related falls include injury, psychological distress and physical activity curtailment. This review describes how the sensory and motor deficits associated with DPN underpin biomechanical alterations to the pattern of walking (gait), which contribute to balance impairments underpinning falls. Changes to gait with diabetes occur even before the onset of measurable DPN, but changes become much more marked with DPN. Gait impairments with diabetes and DPN include alterations to walking speed, step length, step width and joint ranges of motion. These alterations also impact the rotational forces around joints known as joint moments, which are reduced as part of a natural strategy to lower the muscular demands of gait to compensate for lower strength capacities due to diabetes and DPN. Muscle weakness and atrophy are most striking in patients with DPN, but also present in non-neuropathic diabetes patients, affecting not only distal muscles of the foot and ankle, but also proximal thigh muscles. Insensate feet with DPN cause a delayed neuromuscular response immediately following foot–ground contact during gait and this is a major factor contributing to increased falls risk. Pronounced balance impairments measured in the gait laboratory are only seen in DPN patients and not non-neuropathic diabetes patients. Self-perception of unsteadiness matches gait laboratory measures and can distinguish between patients with and without DPN. Diabetic foot ulcers and their associated risk factors including insensate feet with DPN and offloading devices further increase falls risk. Falls prevention strategies based on sensory and motor mechanisms should target those most at risk of falls with DPN, with further research needed to optimise interventions.
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Watanabe Y, Kawabe N, Mito K. The apex angle of the rocker sole affects the posture and gait stability of healthy individuals. Gait Posture 2021; 86:303-310. [PMID: 33839424 DOI: 10.1016/j.gaitpost.2021.03.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 03/03/2021] [Accepted: 03/26/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Rocker sole (RS) shoes have been linked to impaired postural control. However, which features of RS design affect balance is unclear. RESEARCH QUESTION Which RS design features affect standing balance and gait stability? METHODS This study utilized an intervention and cross-over design. Twenty healthy young adults (10 males and 10 females) participated in this study. Standing balance and gait stability were measured using a single force platform and three-dimensional motion analysis system, respectively. The experimental conditions included the control shoe and five RS shoes in the combination of apex position (%) and apex angle (degree) for RS50-95, RS60-95, RS70-95, RS60-70, and RS60-110. The main outcome measures were the area surrounding the maximal rectangular amplitude, mean path length, average displacement of the center of pressure along the lateral and anterior/posterior directions, and maximal center of pressure excursion as the standing balance and lateral margin of stability as the gait stability. Statistical analyses were conducted using a two-way split-plot analysis of variance with repeated measures (with RS design as the within-subject factor and sex as the between-subject factor) and the Bonferroni post hoc test (α = .05). RESULTS Regarding the mean path length, RS60-70 was significantly longer than the control shoe, and it showed a significantly increased lateral margin of stability. Thus, RS60-70 was shown to affect standing balance, limit of stability, and gait stability of the frontal plane during gait. SIGNIFICANCE These results suggest that the apex angle of the RS design feature affects standing balance and gait stability, and RS60-70 is detrimental to stability. Therefore, when RS with a small apex angle is prescribed, it is necessary to consider the patient's balance ability.
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Affiliation(s)
- Yoshiteru Watanabe
- Department of Informatics, Graduate School of Informatics and Engineering, The University of Electro-communications, 1-5-1 Chofugaoka, Chofu, Tokyo, 182-8585, Japan; Department of Physical Therapy, School of Health Sciences, Tokyo University of Technology, 5-23-22 Nishikamata, Ota-ku, Tokyo, 144-8535, Japan.
| | - Nobuhide Kawabe
- Department of Physical Therapy, Tohto University, Makuhari Techno Garden E Building 1-3 Nakase, Mihama-ku, Chiba, 261-8501, Japan.
| | - Kazuyuki Mito
- Department of Informatics, Graduate School of Informatics and Engineering, The University of Electro-communications, 1-5-1 Chofugaoka, Chofu, Tokyo, 182-8585, Japan.
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Domínguez-Muñoz FJ, Carlos-Vivas J, Villafaina S, García-Gordillo MA, Hernández-Mocholi MÁ, Collado-Mateo D, Gusi N, Adsuar JC. Association between 30-s Chair Stand-Up Test and Anthropometric Values, Vibration Perception Threshold, FHSQ, and 15-D in Patients with Type 2 Diabetes Mellitus. BIOLOGY 2021; 10:biology10030246. [PMID: 33809864 PMCID: PMC8004132 DOI: 10.3390/biology10030246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/14/2021] [Accepted: 03/18/2021] [Indexed: 12/26/2022]
Abstract
Simple Summary Type 2 diabetes mellitus is a chronic global disease with a series of complications that lead to problems in the somatosensory system, the cardiovascular system, health-related quality of life, foot health, and even balance. These balance problems arise from deficits in lower limb strength, among other causes. The 30-s chair stand-up test is a test that evaluates leg strength and is an easy, quick, inexpensive, and predictive test of different parameters. How this test relates to health-related quality of life, vibration sensitivity threshold, and foot health has not been studied. This study tests the degree of the relationships of the 30-s chair stand-up test with the 15-dimensional (15-D) questionnaire, Foot Health Status Questionnaire (FHSQ), vibration sensitivity threshold, and body composition questionnaires. Abstract Background: Type 2 diabetes mellitus (T2DM) is a chronic, worldwide disease affecting more than 400 million people. This pathology involves several associated problems, such as diabetic neuropathy complications, obesity, and foot problems, both in terms of health and sensitivity. Objective: The objective of this study was to explore the relationships of the 30-s chair stand-up test with the Foot Health Status Questionnaire (FHSQ), the vibration perception threshold (VPT), and the 15-dimensional (15-D) questionnaire in T2DM people. Methodology: Ninety participants with T2DM were assessed in terms of fat mass percentage, VPT, foot health, health-related quality of life (HRQoL), and the 30-s chair stand-up test. Results: The 30-s chair stand-up test was found to exhibit a moderate relationship with “physical activity” (rho = 0.441; p ≤ 0.001) and “vigor” (rho = 0.443; p ≤ 0.001) from FHSQ. The 30-s chair stand-up test was also found to be weakly associated with foot pain (rho = 0.358; p = 0.001), 15-D total score (rho = 0.376; p ≤ 0.001), “sleeping” (rho = 0.371; p < 0.001), and “depression” (rho = 0.352; p = 0.001). Conclusions: The 30-s chair stand-up test is associated with “physical activity”, “vigor”, and “foot pain” from the FHSQ and the 15-D questionnaire total score and its dimensions “sleeping” and “depression” in type 2 diabetes mellitus patients. Therefore, following the results obtained, qualified clinicians can use the 30-s chair stand-up test as a good tool for monitoring and managing type 2 diabetes.
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Affiliation(s)
- Francisco Javier Domínguez-Muñoz
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | - Jorge Carlos-Vivas
- Health Economy Motricity and Education (HEME), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (J.C.-V.); (J.C.A.)
| | - Santos Villafaina
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | - Miguel A. García-Gordillo
- Facultad de Administración y Negocios, Universidad Autónoma de Chile, Sede Talca 3467987, Chile
- Correspondence:
| | - Miguel Ángel Hernández-Mocholi
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | - Daniel Collado-Mateo
- Centre for Sport Studies, Rey Juan Carlos University, Fuenlabrada, 28943 Madrid, Spain;
| | - Narcis Gusi
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | - José C. Adsuar
- Health Economy Motricity and Education (HEME), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (J.C.-V.); (J.C.A.)
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Wettasinghe AH, Dissanayake DWN, Allet L, Katulanda P, Lord SR. Falls in older people with diabetes: Identification of simple screening measures and explanatory risk factors. Prim Care Diabetes 2020; 14:723-728. [PMID: 32473990 DOI: 10.1016/j.pcd.2020.05.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/11/2020] [Accepted: 05/17/2020] [Indexed: 11/21/2022]
Abstract
AIMS To identify risk factors for falls in older people with diabetes mellitus (DM) and to develop a low-cost fall risk screening tool. METHODS Older adults with DM (n = 103; age = 61.6 + 6.0 years) were recruited from diabetic clinics. Demographic, DM specific factors, lower limb strength and sensation, cognition, fear of falling, hand reaction time, balance, mobility and gait parameters were assessed using validated methods. Falls were prospectively recorded over six months. RESULTS Past falls and female gender were identified as significant predictors of falls: history of falls and female gender increased fall rates by 4.62 (95% CI = 2.31-9.27) and 2.40 (95% CI = 1.04-5.54) respectively. Fall rates were significantly associated with Diabetic Neuropathy scores, HbA1c level, contrast sensitivity, quadriceps strength, postural sway, tandem balance, stride length and Timed Up and Go Test times. A multi-variable fall risk tool derived using five measures, revealed that absolute risk for multiple falls increased from 0% in participants with zero or one factor to 83% in participants with all five risk factors. CONCLUSIONS Simple screening items for fall risk in people with DM were identified, with parsimonious explanatory risk factors. These findings help guide tailored interventions for preventing falls in DM.
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Affiliation(s)
- Asha H Wettasinghe
- Department of Allied Health Sciences, Faculty of Medicine, University of Colombo, Sri Lanka.
| | | | - Lara Allet
- Department of Community Medicine, University Hospitals and University of Geneva, Geneva, Switzerland; Department of Physiotherapy, School for Health Sciences, HES-SO, University of Applied Sciences & Arts of Western Switzerland, Geneva, Switzerland
| | - Prasad Katulanda
- Department of Clinical Medicine, Faculty of Medicine, University of Colombo, Sri Lanka
| | - Stephen R Lord
- Neuroscience Research Australia, UNSW, Randwick, Sydney, Australia
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Wettasinghe AH, Dissanayake DWN, Allet L, Katulanda P, Lord SR. Sensorimotor impairments, postural instability, and risk of falling in older adults with diabetic peripheral neuropathy. Int J Diabetes Dev Ctries 2020. [DOI: 10.1007/s13410-020-00827-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Palermi S, Sacco AM, Belviso I, Marino N, Gambardella F, Loiacono C, Sirico F. Effectiveness of Tai Chi on Balance Improvement in Type 2 Diabetes Patients: A Systematic Review and Meta-Analysis. J Aging Phys Act 2020; 28:787-797. [PMID: 32131053 DOI: 10.1123/japa.2019-0242] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 12/24/2019] [Accepted: 12/28/2019] [Indexed: 11/18/2022]
Abstract
Balance impairments are a relevant problem in patients with diabetes, and interventions to manage this issue represent a public health need. This study reviewed the literature about the effectiveness of Tai Chi on balance improvement in patients with type 2 diabetes. Springerlink, MEDLINE, PubMed, CINAHL, Web of Science, Scopus, and Cochrane CENTRAL databases were screened. Randomized and nonrandomized controlled trials assessing balance in patients with type 2 diabetes enrolled in a Tai Chi program were considered eligible. Four studies were included in qualitative synthesis and in quantitative analysis (three randomized controlled trials and one pretest-posttest quasi-experimental study). Evidence supporting Tai Chi to improve balance in patients with type 2 diabetes was found (effect size: 0.52; 95% confidence interval [0.20, 0.84]); however, the analysis relied on a small number of studies, which raises concerns about the risk of bias. In conclusion, the results support the benefits of Tai Chi intervention to improve balance in patients with type 2 diabetes.
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Reliability and validity of an enhanced paper grip test; A simple clinical test for assessing lower limb strength. Gait Posture 2020; 81:120-125. [PMID: 32711330 DOI: 10.1016/j.gaitpost.2020.07.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/06/2020] [Accepted: 07/14/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND The paper-grip-test (PGT) involves pulling a small card from underneath the participant's foot while asking them to grip with their hallux. The PGT is shown to be effective in detecting foot muscle-weakening but its outcome is operator-dependent. To overcome this limitation, an enhanced PGT (EPGT) is proposed that replaces the pass/fail outcome of the PGT with a continuous measurement of the pulling force that is needed to remove the card (EPGT-force). RESEARCH QUESTION Is the EPGT-force an accurate, reliable and clinically applicable measurement of strength? METHODS Reliability and clinical applicability were examined in two ways. Firstly, two examiners measured EPGT-force for twenty healthy volunteers in a test/retest set-up. EPGT force was measured using a dynamometer, the hallux grip force was measured using a pressure mat. The clinical applicability of the EPGT was tested in ten people with diabetes. Postural sway was also measured. RESULTS Interclass correlation coefficients (ICC) revealed excellent inter-rater reliability (ICC > 0.75). Intra-rater reliability was excellent for the first examiner (ICC = 0.795) and good for the second (ICC = 0.703). Linear regression analysis indicated that hallux grip force accounted (on average) for 83 %±4 % of the variability in EPGT force. This strong relationship between EPGT force and hallux grip force remained when the test was performed in a clinical setting with the latter accounting for 88 % in EPGT force variability. Spearman rank order correlation showed that people with diabetes with a higher difference in EPGT force between limbs swayed more. SIGNIFICANCE EPGT force is a reliable and accurate measurement of hallux grip force. Hallux grip force was previously found to be strongly correlated to the strength of all muscle groups of the foot and ankle and to the ability to maintain balance. The proposed EPGT could be used to monitor muscle weakness in clinics for better falls-risk assessment.
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30
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Neville C, Nguyen H, Ross K, Wingood M, Peterson EW, Dewitt JE, Moore J, King MJ, Atanelov L, White J, Najafi B. Lower-Limb Factors Associated with Balance and Falls in Older Adults: A Systematic Review and Clinical Synthesis. J Am Podiatr Med Assoc 2020; 110:436245. [PMID: 31743051 DOI: 10.7547/19-143] [Citation(s) in RCA: 7] [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
BACKGROUND Despite sufficient evidence to suggest that lower-limb-related factors may contribute to fall risk in older adults, lower-limb and footwear influences on fall risk have not been systematically summarized for readers and clinicians. The purpose of this study was to systematically review and synethesize the literature related to lower-limb, foot, and footwear factors that may increase the risk of falling among community-dwelling older adults. METHODS We searched PubMed, Embase, PsycINFO, CINAHL, Web of Science, Cochrane Library, and AgeLine. To describe the trajectory toward increasing risk of falls, we examined those articles that linked age-related changes in the lower limb or footwear to prospective falls or linked them to evidenced-based fall risk factors, such as gait and balance impairment. RESULTS This systematic review consisted of 81 articles that met the review criteria, and the results reflect a narrative review of the appraised literature for eight pathways of lower-limb-related influences on fall risk in older adults. Six of the eight pathways support a direct link to fall risk. Two other pathways link to the intermediate factors but lack studies that provide evidence of a direct link. CONCLUSIONS This review provides strong guidance to advance understanding and assist with managing the link between lower-limb factors and falls in older adults. Due to the lack of literature in specific areas, some recommendations were based on observational studies and should be applied with caution until further research can be completed.
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Domínguez-Muñoz FJ, Adsuar JC, Carlos-Vivas J, Villafaina S, Garcia-Gordillo MA, Hernández-Mocholi MÁ, Collado-Mateo D, Gusi N. Association between TUG and Anthropometric Values, Vibration Perception Threshold, FHSQ and 15-D in Type 2 Diabetes Mellitus Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17062018. [PMID: 32204303 PMCID: PMC7143289 DOI: 10.3390/ijerph17062018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 03/04/2020] [Accepted: 03/05/2020] [Indexed: 02/04/2023]
Abstract
Background: Diabetes Mellitus (DM) is a chronic disease and it is characterized by reduced insulin sensitivity and/or impaired insulin production. It affects approximately 415 million people worldwide and involves a variety of complications. DM has a number of complications, including diabetic neuropathy. All of these complications can have effects on body composition, vibration perception threshold (VPT), foot health and health-related quality of life (HRQoL). Objective: The aim of this study is to determine the correlation between the Timed Up and Go (TUG), VPT, Foot Health Status Questionnaire and 15-D Questionnaire in type 2 diabetes mellitus (T2DM) patients. Methodology: A total of 90 T2DM patients (56 men and 34 women) were evaluated on their body composition, VPT, the foot health status through the FHSQ, the HRQoL was evaluated through the 15-D Questionnaire and the TUG test was performed. Results: Statistically significant associations were found between TUG and lean and fat mass, VPT, the sections "General Foot Health" and "Physical Activity" in the FHSQ questionnaire, and the 15D total score and its sections "Mobility" and "Depression". Conclusions: There is a moderate direct correlation between the Timed Up and Go and the fat mass percentage and the vibration perception threshold. Moreover, there is a moderate inverse correlation between Timed Up and Go and fat-free mass, foot health and health-related quality of life in T2DM patients. Therefore, Timed Up and Go can be a tool to assist clinicians in monitoring and managing T2DM patients.
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Affiliation(s)
- Francisco Javier Domínguez-Muñoz
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | - José Carmelo Adsuar
- Health Economy Motricity and Education (HEME), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (J.C.A.); (J.C.-V.)
| | - Jorge Carlos-Vivas
- Health Economy Motricity and Education (HEME), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (J.C.A.); (J.C.-V.)
| | - Santos Villafaina
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | | | - Miguel Ángel Hernández-Mocholi
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
| | - Daniel Collado-Mateo
- Centre for Sport Studies, Rey Juan Carlos University, 28943 Fuenlabrada, Madrid, Spain;
| | - Narcis Gusi
- Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, 10003 Cáceres, Spain; (F.J.D.-M.); (S.V.); (M.Á.H.-M.); (N.G.)
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Vongsirinavarat M, Mathiyakom W, Kraiwong R, Hiengkaew V. Fear of Falling, Lower Extremity Strength, and Physical and Balance Performance in Older Adults with Diabetes Mellitus. J Diabetes Res 2020; 2020:8573817. [PMID: 32587870 PMCID: PMC7293747 DOI: 10.1155/2020/8573817] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 05/21/2020] [Indexed: 12/25/2022] Open
Abstract
Fear of falling (FoF) is known to affect the physical activities and quality of life of older adults with type 2 diabetes mellitus (DM). Many complications of DM, especially ones distressing lower extremity (LE), could lead to increased fall risk and FoF. This study aimed to explore the relationship between FoF, LE muscle strength, and physical performance in older adults without diabetes mellitus (ONDM) and with DM (ODM) with varying degrees of balance impairment. The participants comprised 20 ONDM and 110 ODM. The ODM was grouped by the number of failed performances of the modified clinical test of sensory interaction and balance (mCTSIB). The scores of FoF, balance performance of mCTSIB, physical performance of TUG, and LE muscle strength were compared between groups. The results showed that FoF was present in 30% and 60% of the ONDM and ODM, respectively. Forty percent of the ODM failed one condition of the mCTSIB, while 18% and 16% failed two and three conditions, respectively. As the number of failed performances on the mCTSIB increased, the proportions of participants with FoF significantly increased. The psychosocial domain of FoF, LE muscle strength, and TUG score was significantly different between groups and more affected in the ODM with a greater number of failed performances on the mCTSIB. In conclusion, the mCTSIB can differentiate the varying degrees of balance impairment among ODM. FoF, LE muscle strength, and physical performance are more affected as the degree of balance impairment increases. Comprehensive management related to balance and falls in the ODM should include a regular evaluation and monitoring of standing balance, LE muscle strength, physical performance, and FoF.
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Affiliation(s)
- Mantana Vongsirinavarat
- Faculty of Physical Therapy, Mahidol University, 999, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand
| | - Witaya Mathiyakom
- Department of Physical Therapy, California State University, Northridge, 18111 Nordhoff Street, Jacaranda Hall 1513B, Northridge, CA 91330, USA
| | - Ratchanok Kraiwong
- Faculty of Physical Therapy, Mahidol University, 999, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand
| | - Vimonwan Hiengkaew
- Faculty of Physical Therapy, Mahidol University, 999, Salaya, Phuttamonthon, Nakhon Pathom 73170, Thailand
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Rinkel WD, van Nieuwkasteele S, Castro Cabezas M, van Neck JW, Birnie E, Coert JH. Balance, risk of falls, risk factors and fall-related costs in individuals with diabetes. Diabetes Res Clin Pract 2019; 158:107930. [PMID: 31738998 DOI: 10.1016/j.diabres.2019.107930] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/06/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022]
Abstract
AIMS Sensory loss and impaired balance are considered risk factors of incident falls. The aim of this study was to assess the relationship between degree of foot sensation and balance, risk of falls, incidence of fall-related injuries and costs in a cohort of patients with diabetes. METHODS (Non)-neuropathic subjects participating in the Rotterdam Diabetic Foot Study were followed prospectively. Subjects underwent sensory testing of the feet (39 item Rotterdam Diabetic Foot Study Test Battery (RDF-39)); balance was assessed at the second follow-up (Brief-BESTest) as were data on incident falls. Medical records and financial data were abstracted to estimate fall-related morbidity and in-hospital costs. RESULTS A higher RDF-39 score, cerebral artery disease, type 2 diabetes, height and age were predictors of the Brief-BESTest total score. 41/296 patients (13.9%) reported two or more falls during follow-up. Predictors for recurrent falls were a higher RDF-39 score (aOR: 1.124, p < 0.0005), male gender (aOR: 0.319, p = 0.016), age (aOR: 0.938, p = 0.003) and type 2 diabetes (aOR: 3.157, p = 0.100). Thirty-one patients used medical resources (median US$ 440.45 (IQR: 179-1162). CONCLUSIONS Degree of sensory loss correlates significantly with an increased imbalance and risk of falls. The RDF-39 may be used as stratification tool in medical decision-making and patient information.
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Affiliation(s)
- Willem D Rinkel
- Department of Plastic-, Reconstructive- and Hand Surgery, Utrecht University Medical Center, Utrecht University, Utrecht, the Netherlands; Department of Plastic-, Reconstructive- and Hand Surgery, Franciscus Gasthuis & Vlietland, Rotterdam, the Netherlands.
| | - Shelly van Nieuwkasteele
- Department of Plastic-, Reconstructive- and Hand Surgery, Franciscus Gasthuis & Vlietland, Rotterdam, the Netherlands; Department of Plastic-, Reconstructive- and Hand Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Manuel Castro Cabezas
- Department of Internal Medicine/Centre for Diabetes, Endocrinology and Vascular Medicine, Franciscus Gasthuis & Vlietland, Rotterdam, the Netherlands
| | - Johan W van Neck
- Department of Plastic-, Reconstructive- and Hand Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Erwin Birnie
- Department of Statistics and Education, Franciscus Academy, Franciscus Gasthuis & Vlietland, Rotterdam, the Netherlands; Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - J Henk Coert
- Department of Plastic-, Reconstructive- and Hand Surgery, Utrecht University Medical Center, Utrecht University, Utrecht, the Netherlands; Department of Plastic-, Reconstructive- and Hand Surgery, Franciscus Gasthuis & Vlietland, Rotterdam, the Netherlands
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Test-Retest Reliability of Kinematic Parameters of Timed Up and Go in People with Type 2 Diabetes. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9214709] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Diabetes mellitus is a chronic disease defined as a state of hyperglycaemia in fasting or postprandial states. Patients with type 2 diabetes mellitus (T2DM) often show reduced physical function, including low levels of strength, balance or mobility. In this regard, the timed up and go (TUG) is a widely used physical fitness test in people with T2DM. However, there is a lack of studies evaluating the properties TUG in this population. The present study aimed to evaluate the test-retest reliability of kinetic and kinematic parameters obtained from TUG in the diabetic population with different levels of diabetic neuropathy. A total of 56 patients with T2DM participated in the study. They were divided into three groups according to the vibration threshold: (a) severe neuropathy, (b) moderate neuropathy and (c) normal perception. The TUG was performed using two force platforms to assess kinematic measurements. The results show that both kinetic and kinematic variables had good to excellent reliability. The reliability of TUG was excellent for the whole sample and the groups with non-severe neuropathy. However, it was just good for the group with severe neuropathy.
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Hatton AL, Gane EM, Maharaj JN, Burns J, Paton J, Kerr G, Rome K. Textured shoe insoles to improve balance performance in adults with diabetic peripheral neuropathy: study protocol for a randomised controlled trial. BMJ Open 2019; 9:e026240. [PMID: 31320345 PMCID: PMC6661678 DOI: 10.1136/bmjopen-2018-026240] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
INTRODUCTION Peripheral neuropathy is a major risk factor for falls in adults with diabetes. Innovative footwear devices which artificially manipulate the sensory environment at the feet, such as textured shoe insoles, are emerging as an attractive option to mitigate balance and walking problems in neuropathic populations. This study aims to explore whether wearing textured insoles for 4 weeks alters balance performance in adults with diabetic peripheral neuropathy. METHODS AND ANALYSIS A prospective, single-blinded randomised controlled trial with parallel groups will be conducted on 70 adults with diabetic peripheral neuropathy. Adults with a diagnosis of peripheral neuropathy (secondary to type 2 diabetes), aged ≥18 years, ambulant over 20 m (with/without an assistive device), will be recruited. Participants will be randomised to receive a textured insole (n=35) or smooth insole (n=35), to be worn for 4 weeks. During baseline and post intervention assessments, standing balance (foam/firm surface; eyes open/closed) and walking tasks will be completed barefoot, wearing standard shoes only, and two different insoles (smooth, textured). The primary outcome measure will be centre of pressure (CoP) velocity, with higher values indicating poorer balance. Secondary outcome measures include walking quality (gait velocity, base of support, stride length and double-limb support time), physical activity levels, foot sensation (light-touch pressure, vibration) and proprioception (ankle joint position sense), and other balance parameters (CoP path length, anteroposterior and mediolateral excursion). Patient-reported outcomes will be completed evaluating foot health, frequency of falls and fear of falling. Data will be analysed using a repeated measures mixed models approach (including covariates) to establish any differences between-groups, for all outcome measures, over the intervention period. ETHICS AND DISSEMINATION Ethical approval has been obtained from the institutional Human Research Ethics Committee (#2017000098). Findings will be disseminated at national and international conferences, through peer-reviewed journals, workshops and social media. TRIAL REGISTRATION NUMBER ACTRN12617000543381; Pre-results.
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Affiliation(s)
- Anna L Hatton
- School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Queensland, Australia
| | - Elise M Gane
- School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Queensland, Australia
| | - Jayishni N Maharaj
- School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, Queensland, Australia
| | - Joshua Burns
- Faculty of Health Sciences, The University of Sydney, Sydney, New South Wales, Australia
| | - Joanne Paton
- Peninsula Clinical Trials Unit, University of Plymouth, Plymouth, UK
| | - Graham Kerr
- Institute of Health and Biomedical Innovation, Queensland University of Technology - Kelvin Grove Campus, Brisbane, Queensland, Australia
| | - Keith Rome
- Health and Rehabilitation Research Institute, Auckland University of Technology, Auckland, New Zealand
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Abstract
PURPOSE OF REVIEW Based on a systematic literature search, we performed a comprehensive review of risk factors for falls and fractures in patients with diabetes. RECENT FINDINGS Patients with diabetes have an increased risk of fractures partly explained by increased bone fragility. Several risk factors as altered body composition including sarcopenia and obesity, impaired postural control, gait deficits, neuropathy, cardiovascular disease, and other co-morbidities are considered to increase the risk of falling. Diabetes and bone fragility is well studied, but new thresholds for fracture assessment should be considered. In general, the risk factors for falls in patients with diabetes are well documented in several studies. However, the fall mechanisms among diabetic patients have only been assessed in few studies. Thus, a gab of knowledge exits and may influence the current understanding and treatment, in order to reduce the risk of falling and thereby prevent fractures.
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Affiliation(s)
| | - Jakob Dal
- Department of Endocrinology, Aalborg University Hospital, Aalborg, Denmark
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Chatzistergos PE, Healy A, Naemi R, Sundar L, Ramachandran A, Chockalingam N. The relationship between hallux grip force and balance in people with diabetes. Gait Posture 2019; 70:109-115. [PMID: 30849605 DOI: 10.1016/j.gaitpost.2019.02.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 02/16/2019] [Accepted: 02/22/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Diabetes accelerates the decline in muscle strength in older people and substantially increases the risk for fall and injury. Weakening of lower extremity muscles, in particular, is a strong predictor for falls, but currently there is no established method for its assessment in clinics. The paper grip test (PGT) offers a qualitative assessment of hallux plantar flexor strength and its usefulness for predicting falls has been demonstrated in non-diabetic populations. RESEARCH QUESTION The aim of this study is to test whether the PGT can be used for a quantitative assessment of lower-extremity strength and to investigate its relationship with isometric muscle strength and balance in people with diabetes and peripheral neuropathy. METHODS Isometric muscle strength of all muscle groups of the foot-ankle was assessed using a dynamometer in sixty-nine people with diabetes and neuropathy. Postural sway and the gripping force exerted by the participants during the PGT was measured for the same participants using a plantar pressure assessment system. These measurements were repeated in regular intervals for 18 months in a longitudinal observational cohort study. RESULTS Cross-sectional analysis of baseline data showed that people who failed the PGT swayed more. Analysis of longitudinal data showed that increasing hallux grip force is significantly associated with reduced postural sway. No significant association was found between dynamometry-based measurements of strength and postural sway. Hallux grip force was significantly correlated to the strength of all muscle groups of the foot-ankle complex. SIGNIFICANCE These results indicate that hallux grip force can assess the strength of the foot-ankle muscles and could potentially be used to identify people at risk of falling. This sets the basis for the development of new screening protocols to assess weakening of the muscles of the foot-ankle and to enhance risk assessment for falls in people with diabetes and peripheral neuropathy.
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Affiliation(s)
- Panagiotis E Chatzistergos
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, United Kingdom.
| | - Aoife Healy
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, United Kingdom
| | - Roozbeh Naemi
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, United Kingdom
| | - Lakshmi Sundar
- AR Diabetes Hospitals, Chennai, India; India Diabetes Research Foundation, Chennai, India
| | - Ambady Ramachandran
- AR Diabetes Hospitals, Chennai, India; India Diabetes Research Foundation, Chennai, India
| | - Nachiappan Chockalingam
- Centre for Biomechanics and Rehabilitation Technologies, Staffordshire University, Stoke-on-Trent, United Kingdom
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LeRoith D, Biessels GJ, Braithwaite SS, Casanueva FF, Draznin B, Halter JB, Hirsch IB, McDonnell ME, Molitch ME, Murad MH, Sinclair AJ. Treatment of Diabetes in Older Adults: An Endocrine Society* Clinical Practice Guideline. J Clin Endocrinol Metab 2019; 104:1520-1574. [PMID: 30903688 PMCID: PMC7271968 DOI: 10.1210/jc.2019-00198] [Citation(s) in RCA: 248] [Impact Index Per Article: 49.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 01/25/2019] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective is to formulate clinical practice guidelines for the treatment of diabetes in older adults. CONCLUSIONS Diabetes, particularly type 2, is becoming more prevalent in the general population, especially in individuals over the age of 65 years. The underlying pathophysiology of the disease in these patients is exacerbated by the direct effects of aging on metabolic regulation. Similarly, aging effects interact with diabetes to accelerate the progression of many common diabetes complications. Each section in this guideline covers all aspects of the etiology and available evidence, primarily from controlled trials, on therapeutic options and outcomes in this population. The goal is to give guidance to practicing health care providers that will benefit patients with diabetes (both type 1 and type 2), paying particular attention to avoiding unnecessary and/or harmful adverse effects.
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Affiliation(s)
- Derek LeRoith
- Icahn School of Medicine at Mount Sinai, New York, New York
| | | | - Susan S Braithwaite
- Presence Saint Francis Hospital, Evanston, Illinois
- Presence Saint Joseph Hospital, Chicago, Illinois
| | - Felipe F Casanueva
- Complejo Hospitalario Universitario de Santiago, CIBER de Fisiopatologia Obesidad y Nutricion, Instituto Salud Carlos III, Santiago de Compostela, Spain
| | - Boris Draznin
- University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
| | - Jeffrey B Halter
- University of Michigan, Ann Arbor, Michigan
- National University of Singapore, Singapore, Singapore
| | - Irl B Hirsch
- University of Washington Medical Center–Roosevelt, Seattle, Washington
| | - Marie E McDonnell
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Mark E Molitch
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - M Hassan Murad
- Division of Preventive Medicine, Mayo Clinic, Rochester, Minnesota
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Abstract
Footwear is a modifiable risk factor for falls in older adults, including populations with metabolic disease, inflammatory arthritis, and neurodegenerative disease. Ill-fitting footwear, and specific design features, such as elevated heels and backless styles, can impair balance control and heighten the risk of falling. Although foot care is routine practice for some older adults to prevent ulceration (eg, diabetes) or relieve symptoms (eg, foot pain), new footwear interventions are emerging with the potential to ameliorate balance and walking impairments. Multifaceted podiatric interventions, which include appropriate footwear and importantly patient education, may have the capacity to reduce falls in older adults.
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Abstract
Dizziness and imbalance are common and challenging chief complaints carrying high morbidity, due to their association with falls, injuries, and loss of quality of life. The physical examination represents an opportunity to collect objective clinical data that facilitate an understanding of symptoms that might otherwise be enigmatic and ineffable. This review focuses on the examination techniques used routinely by physicians who provide specialized care for patients with dizziness and imbalance.
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Affiliation(s)
- Gregory T Whitman
- Department of Otolaryngology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Massachusetts Eye and Ear Balance and Vestibular Center, 250 Pond Street, Braintree, MA 02184, USA.
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Gorniak SL, Lu FY, Lee BC, Massman PJ, Wang J. Cognitive impairment and postural control deficit in adults with Type 2 diabetes. Diabetes Metab Res Rev 2019; 35:e3089. [PMID: 30338902 PMCID: PMC6590678 DOI: 10.1002/dmrr.3089] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 09/26/2018] [Accepted: 10/12/2018] [Indexed: 01/24/2023]
Abstract
BACKGROUND Diseases induced by metabolic disorders, eg, Type 2 diabetes, has recently been linked to both sensory and motor deficit in the absence of a formal clinical diagnosis of peripheral neuropathy. Studies have demonstrated mild cognitive impairment in diabetic patients, which also plays a role in one's loss of ability to successfully perform basic motor activities. This project focused on evaluating cognitive function while maintaining balance. We hypothesized that simultaneous cognitive and motor deficit would occur among adults with Type 2 diabetes versus healthy age- and sex-matched control during a balance task. METHODS A sample of 10 Type 2 diabetes patients and 10 age-matched and sex-matched controls underwent a series of sensory, motor, cognitive, and cognitive-motor evaluations. Blood pressure and A1c levels were assessed. RESULTS Significantly lower cognitive function scores, particularly in the domain of working memory, were exhibited in the diabetic group than controls. Balance in the diabetic group was overall poorer in both single- and dual-tasks than controls. When diabetic patients were asked to verbally recall different words while maintaining their balance, their accuracy rate was significantly lower than controls. Some health state measures were found to co-vary with motor function. Increased body mass index in the diabetic group did not account for motor function deficit. SIGNIFICANCE Our data suggest that: (1) systemic deficit beyond tactile dysfunction and increased body mass index contribute to reduced motor function in diabetes, and (2) both balance and working memory functions are simultaneously impaired in patients with Type 2 diabetes.
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Affiliation(s)
- Stacey L. Gorniak
- Department of Health and Human Performance, University of Houston, Houston, TX 77204
- Center for Neuromotor and Biomechanics Research, University of Houston, Houston, TX 77204
| | - Fangmei Yoshimi Lu
- Center for Neuromotor and Biomechanics Research, University of Houston, Houston, TX 77204
| | - Beom Chan Lee
- Department of Health and Human Performance, University of Houston, Houston, TX 77204
- Center for Neuromotor and Biomechanics Research, University of Houston, Houston, TX 77204
| | - Paul J. Massman
- Department of Psychology, University of Houston, Houston, TX 77204
| | - Jing Wang
- School of Nursing, The University of Texas Health San Antonio, San Antonio TX 78229
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Randolph AC, Lin YL, Volpi E, Kuo YF. Tricyclic Antidepressant and/or γ-Aminobutyric Acid-Analog Use Is Associated With Fall Risk in Diabetic Peripheral Neuropathy. J Am Geriatr Soc 2019; 67:1174-1181. [PMID: 30694557 DOI: 10.1111/jgs.15779] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 12/14/2018] [Accepted: 12/22/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND/OBJECTIVES Peripheral neuropathy is a common diabetes complication that can increase fall risk. Regarding fall risk, the impact of pain management using tricyclic antidepressants (TCAs) or γ-aminobutyric acid (GABA) analogs is unclear because these medications can also cause falls. This study investigates the impact of these drugs on fall and fracture risk in older diabetic peripheral neuropathy (DPN) patients. DESIGN Historical cohort study with 1-to-1 propensity matching of TCA/GABA-analog users and nonusers. SETTING Nationally representative 5% Medicare sample between the years 2008 and 2010. PARTICIPANTS After applying all selection criteria, 5,550 patients with prescription and 22,200 patients without prescription of TCAs/GABA-analogs were identified. Both patient groups were then stratified for fall history and matched based on propensity of receiving TCAs/GABA-analogs within each group. MEASUREMENTS Patients were followed until the first incidence of fall or the first incidence of fracture during the follow-up period (for up to 5 years). RESULTS After matching, users and nonusers were largely similar. After covariate adjustment, TCA/GABA-analog use was associated with a statistically significant increase in fall risk (adjusted hazard ratio [HR] = 1.11; 95% confidence interval [CI] = 1.03-1.20), but was not associated with fracture risk (adjusted HR = 1.09; 95% CI = 0.99-1.19) in the conventional analysis. Treating TCA/GABA-analog use as a time-dependent covariate resulted in statistically significant associations of TCA/GABA-analog use with both fall and fracture risk (HR = 1.26 [95% CI = 1.17-1.36]; and HR = 1.12 [95% CI = 1.02-1.24], respectively). CONCLUSION Among older patients with DPN, GABA-analogs or TCAs increase fall risk and possibly fracture risk. Use of these medications is therefore a potentially modifiable risk factor for falls and fractures in this population.
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Affiliation(s)
- Amanda C Randolph
- Sealy Center on Aging, University of Texas Medical Branch, Galveston, Texas
| | - Yu-Li Lin
- Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas
| | - Elena Volpi
- Sealy Center on Aging, University of Texas Medical Branch, Galveston, Texas.,Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas
| | - Yong-Fang Kuo
- Sealy Center on Aging, University of Texas Medical Branch, Galveston, Texas.,Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas
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Karpul D, McIntyre S, van Schaik A, Breen PP, Heckmann JM. Vibrotactile sensitivity of patients with HIV-related sensory neuropathy: An exploratory study. Brain Behav 2019; 9:e01184. [PMID: 30561140 PMCID: PMC6346661 DOI: 10.1002/brb3.1184] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 11/13/2018] [Accepted: 11/14/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND HIV-associated distal polyneuropathy (HIV-PN) affects large and small sensory nerve fibers and can cause tactile insensitivity. This exploratory study forms part of an effort to apply subsensory electrical nerve stimulation (SENS) to improve tactile sensitivity of patients with HIV-PN. This work presented an opportunity to use a robust protocol to quantitatively describe the vibrotactile sensitivity of individuals with HIV-PN on effective antiretroviral therapy (ART) and correlate these findings with commonly used clinical vibration testing and scoring grades. METHODS The vibration perception thresholds (VPTs) of 20 patients with HIV-PN at three vibration frequencies (25, 50, and 128 Hz) were measured. We compare the vibration perception threshold (VPT) outcomes to an age- and gender-matched control cohort. We further correlated VPT findings with 128 Hz tuning fork (TF) assessments performed on the HIV-PN participants, accrued as part of a larger study. HIV-PN was defined as having at least one distal symmetrical neuropathic sign, although 18 of 20 had at least two neuropathic signs. CONCLUSIONS HIV-PN participants were found to have lower VPT sensitivity than controls for all three vibration frequencies, and VPT was more sensitive at higher vibration frequencies for both HIV-PN and controls. VPT sensitivity was reduced with older age. Years on ART was correlated with VPT-25 Hz but not with VPT in general. Notably, VPT sensitivity did not correlate with the clinically used 128 Hz TF severity grades. Outcomes of tests for interaction with vibration frequency suggest that HIV-PN pathology does not affect all mechanoreceptors similarly.
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Affiliation(s)
- David Karpul
- MARCS Institute for Brain, Behaviour & Development, Western Sydney University, Sydney, New South Wales, Australia.,Division of Neurology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Sarah McIntyre
- MARCS Institute for Brain, Behaviour & Development, Western Sydney University, Sydney, New South Wales, Australia.,Neuroscience Research Australia, Sydney, New South Wales, Australia.,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - André van Schaik
- MARCS Institute for Brain, Behaviour & Development, Western Sydney University, Sydney, New South Wales, Australia
| | - Paul P Breen
- MARCS Institute for Brain, Behaviour & Development, Western Sydney University, Sydney, New South Wales, Australia.,Translational Health Research Institute, Western Sydney University, Sydney, New South Wales, Australia
| | - Jeannine M Heckmann
- Division of Neurology, Department of Medicine, University of Cape Town, Cape Town, South Africa
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Ferreira JSSP, Panighel JP, Silva ÉQ, Monteiro RL, Cruvinel Júnior RH, Sacco ICN. Foot function and strength of patients with diabetes grouped by ulcer risk classification (IWGDF). Diabetol Metab Syndr 2019; 11:89. [PMID: 31695753 PMCID: PMC6822353 DOI: 10.1186/s13098-019-0487-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 10/22/2019] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The stratification system from the International Working Group on the Diabetic Foot (IWGDF) was used to classify the participants as to the ulcer risk. However, it is not yet known what the classification groups' individual deficits are regarding sensitivity, function, and musculoskeletal properties and mechanics. This makes it difficult to design proper ulcer prevention strategies for patients. Thus, this study aimed to investigate the foot function, foot strength and health of people with diabetes mellitus (DM)-with or without DPN-while considering the different ulcer risk classifications determined by the IWGDF. METHODS The subject pool comprised 72 people with DM, with and without DPN. The patients were divided into three groups: Group 0 (G0), which comprised diabetic patients without DPN; Group 1 (G1), which comprised patients with DPN; and Group 2 (G2), which comprised patients with DPN who had foot deformities. The health and foot function of the subjects' feet were assessed using a foot health status questionnaire (FHSQ-BR) that investigated four domains: foot pain, foot function, footwear, and general foot health. The patients' foot strength was evaluated using the maximum force under each subject's hallux and toes on a pressure platform (emed q-100, Novel, Munich, Germany). RESULTS Moderate differences were found between G0 and G1 and G2 for the foot pain, foot function, general foot health, and footwear. There was also a small but significant difference between G0 and G2 in regards to hallux strength. CONCLUSION Foot health, foot function and strength levels of people with DM and DPN classified by the ulcer risk are different and this must be taken into account when evaluating and developing treatment strategies for these patients.
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Affiliation(s)
- Jane S. S. P. Ferreira
- Department of Physical Therapy, Speech, and Occupational Therapy, School of Medicine, University of São Paulo, Rua Cipotânea, 51-Cidade Universitária, São Paulo, 05360-160 Brazil
| | - João P. Panighel
- Department of Physical Therapy, Speech, and Occupational Therapy, School of Medicine, University of São Paulo, Rua Cipotânea, 51-Cidade Universitária, São Paulo, 05360-160 Brazil
| | - Érica Q. Silva
- Department of Physical Therapy, Speech, and Occupational Therapy, School of Medicine, University of São Paulo, Rua Cipotânea, 51-Cidade Universitária, São Paulo, 05360-160 Brazil
| | - Renan L. Monteiro
- Department of Physical Therapy, Speech, and Occupational Therapy, School of Medicine, University of São Paulo, Rua Cipotânea, 51-Cidade Universitária, São Paulo, 05360-160 Brazil
- Departamento de Ciências da Saúde, Universidade Federal do Amapá, Macapá, Amapá Brazil
| | - Ronaldo H. Cruvinel Júnior
- Department of Physical Therapy, Speech, and Occupational Therapy, School of Medicine, University of São Paulo, Rua Cipotânea, 51-Cidade Universitária, São Paulo, 05360-160 Brazil
| | - Isabel C. N. Sacco
- Department of Physical Therapy, Speech, and Occupational Therapy, School of Medicine, University of São Paulo, Rua Cipotânea, 51-Cidade Universitária, São Paulo, 05360-160 Brazil
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Neural networks for mining the associations between diseases and symptoms in clinical notes. Health Inf Sci Syst 2018; 7:1. [PMID: 30588291 DOI: 10.1007/s13755-018-0062-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 11/08/2018] [Indexed: 01/20/2023] Open
Abstract
There are challenges for analyzing the narrative clinical notes in Electronic Health Records (EHRs) because of their unstructured nature. Mining the associations between the clinical concepts within the clinical notes can support physicians in making decisions, and provide researchers evidence about disease development and treatment. In this paper, in order to model and analyze disease and symptom relationships in the clinical notes, we present a concept association mining framework that is based on word embedding learned through neural networks. The approach is tested using 154,738 clinical notes from 500 patients, which are extracted from the Indiana University Health's Electronic Health Records system. All patients are diagnosed with more than one type of disease. The results show that this concept association mining framework can identify related diseases and symptoms. We also propose a method to visualize a patients' diseases and related symptoms in chronological order. This visualization can provide physicians an overview of the medical history of a patient and support decision making. The presented approach can also be expanded to analyze the associations of other clinical concepts, such as social history, family history, medications, etc.
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Menz HB, Auhl M, Spink MJ. Foot problems as a risk factor for falls in community-dwelling older people: A systematic review and meta-analysis. Maturitas 2018; 118:7-14. [PMID: 30415759 DOI: 10.1016/j.maturitas.2018.10.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/01/2018] [Accepted: 10/01/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND Foot problems are common in older people. The objective of this systematic review was to determine whether foot problems increase the risk of falling in community-dwelling older people. METHODS Electronic databases were searched from inception to May 2018. To be eligible for inclusion, papers needed to (i) include community-dwelling older participants, (ii) document falls either retrospectively or prospectively, and (iii) document or assess the presence of foot problems. Screening and data extraction were performed by two independent assessors, with disagreements resolved by consensus. RESULTS A total of 146 papers were screened by title and abstract, and nine met the inclusion criteria. An additional six eligible papers were identified by searching the reference lists of included papers, resulting in a total of 15 papers. Quantitative synthesis indicated that older people who fell were more likely to have foot pain, hallux valgus, lesser toe deformity, plantar fasciitis, reduced ankle dorsiflexion range of motion, reduced toe plantarflexion strength, impaired tactile sensitivity and increased plantar pressures when walking. Meta-analysis indicated that fallers were more likely to have foot pain (pooled odds ratio [OR] 1.95, 95% CI 1.38-2.76, p < 0.001), hallux valgus (pooled OR 1.89, 95% CI 1.19-3.00, p = 0.007) and lesser toe deformity (pooled OR 1.67, 95% CI 1.07-2.59, p = 0.020). CONCLUSION Foot problems, particularly foot pain, hallux valgus and lesser toe deformity, are associated with falls in older people. Documentation of foot problems and referral to foot care specialists should therefore be a routine component of falls risk assessment and prevention.
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Affiliation(s)
- Hylton B Menz
- School of Allied Health, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria 3086, Australia.
| | - Maria Auhl
- School of Allied Health, College of Science, Health and Engineering, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Martin J Spink
- School of Health Sciences, Faculty of Health, University of Newcastle, Ourimbah, New South Wales, 2258, Australia
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Kirkwood RN, Borém IL, Sampaio RF, Ferreira VKG, de Almeida JC, Guimarães SBB, Moreira BDS. Frailty Status and Gait Parameters of Older Women With Type 2 Diabetes. Can J Diabetes 2018; 43:121-127. [PMID: 30268386 DOI: 10.1016/j.jcjd.2018.06.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/30/2018] [Accepted: 06/25/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVES Gait decline in individuals with frailty status is associated with comorbidities, falls and reduced mobility, reflecting changes in gait. The prevalence of frailty in individuals with type 2 diabetes is higher compared to individuals without diabetes. However, the consequences of frailty status on gait in older women with diabetes are unclear. The objective of the study was to investigate gait changes in older women with diabetes who are classified as vulnerable, having 1 or more frailty conditions, or robust, having none of the conditions, according to the Fried phenotype. METHODS Participants included 203 older women: 112 without diabetes and 91 with diabetes. The nondiabetes robust group included 59 older women: nondiabetes, vulnerable, 53; diabetes, robust, 26; and diabetes, vulnerable, 65. Gait parameters were obtained by using the GAITRite system and included velocity, cadence, step length, stance time and double-support time. Multivariate analysis was conducted followed by post hoc analysis. RESULTS Older women with diabetes and vulnerable status used more drugs and had higher body mass indexes than the groups without diabetes who were vulnerable and robust; there was no difference between the diabetes, robust and diabetes, vulnerable groups. Falls history and fear of falling were similar in all groups. Vulnerable older women with diabetes walked with decreased velocity, cadence and step length and increased stance time compared to all groups and with increased double-support time compared to the nondiabetes robust and nondiabetes vulnerable groups. CONCLUSIONS Gait decline in vulnerable older women with diabetes is worsened by their frailty status. Our study reinforces the importance of screening older women with diabetes for frailty status.
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Affiliation(s)
- Renata Noce Kirkwood
- Graduate Program in Health Science, Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, Brazil; Graduate Program in Rehabilitation Science, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
| | - Izabela Lara Borém
- Undergraduate Program in Medicine, Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, Brazil
| | - Rosana Ferreira Sampaio
- Graduate Program in Rehabilitation Science, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | | | | | - Bruno de Souza Moreira
- Graduate Program in Rehabilitation Science, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Tamaki T, Muramatsu K, Ikutomo M, Oshiro N, Hayashi H, Niwa M. Effects of streptozotocin-induced diabetes on leg muscle contractile properties and motor neuron morphology in rats. Anat Sci Int 2018; 93:502-513. [PMID: 29876845 DOI: 10.1007/s12565-018-0444-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Accepted: 05/24/2018] [Indexed: 11/24/2022]
Abstract
Skeletal muscle fiber subtypes are differentially sensitive to diabetes-related pathology; For example, fast-twitch muscles exhibit severe decreases in contraction force while slow-twitch muscles demonstrate prolonged half-relaxation time. However, such alterations have only been examined after a relatively short period following diabetes onset, with no information available regarding muscle damage caused by longer disease periods (>20 weeks). This study examined alterations in the contractile properties of the medial gastrocnemius (fast-twitch) and soleus (slow-twitch) muscles, as well as morphological changes in their motor neurons 12 and 22 weeks after diabetes onset. Adult male Wistar rats were divided into diabetic (12- or 22-week post-streptozotocin injection) and age-matched control groups. Electrically evoked maximum twitch and tetanic tension were recorded from leg muscles. Additionally, motor neuron number and cell body size were examined. At 12 weeks after diabetes onset, decreases in twitch force were observed predominantly in medial gastrocnemius muscles, while soleus muscles exhibited prolonged half-relaxation time. However, these differences became ambiguous at 22 weeks, with decreased twitch force and prolonged half-relaxation time observed in both muscles. On the other hand, reduction in soleus motor neurons was observed 12 weeks after diabetes onset, while medial gastrocnemius motor neurons were diminished at 22 weeks. These data indicate that experimental diabetes induces differential damage to medial gastrocnemius and soleus muscles as well as motor neurons. These diabetes-induced differences may partly underlie the differential deficits observed in gastrocnemius and soleus.
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Affiliation(s)
- Toru Tamaki
- Department of Occupational Therapy, Graduate School of Kyorin University, 5-4-1 Simorenzyaku, Mitaka-city, Tokyo, 181-8612, Japan. .,Department of Physical Therapy, Health Science University, 7187 Kodachi, Fujikawaguchiko-town, Yamanashi, 401-0380, Japan.
| | - Ken Muramatsu
- Department of Physical Therapy, Health Science University, 7187 Kodachi, Fujikawaguchiko-town, Yamanashi, 401-0380, Japan
| | - Masako Ikutomo
- Department of Physical Therapy, Health Science University, 7187 Kodachi, Fujikawaguchiko-town, Yamanashi, 401-0380, Japan
| | - Naomi Oshiro
- Department of Occupational Therapy, Graduate School of Kyorin University, 5-4-1 Simorenzyaku, Mitaka-city, Tokyo, 181-8612, Japan
| | - Hisae Hayashi
- Department of Physical Therapy, Seijoh University, 2-172 Fukinodai, Tokai City, Aichi, 476-8588, Japan
| | - Masatoshi Niwa
- Department of Occupational Therapy, Graduate School of Kyorin University, 5-4-1 Simorenzyaku, Mitaka-city, Tokyo, 181-8612, Japan
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Lyle MA, Nichols TR. Patterns of intermuscular inhibitory force feedback across cat hindlimbs suggest a flexible system for regulating whole limb mechanics. J Neurophysiol 2018; 119:668-678. [PMID: 29142095 PMCID: PMC5867384 DOI: 10.1152/jn.00617.2017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 10/17/2017] [Accepted: 11/08/2017] [Indexed: 12/12/2022] Open
Abstract
Prior work has suggested that Golgi tendon organ feedback, via its distributed network linking muscles spanning all joints, could be used by the nervous system to help regulate whole limb mechanics if appropriately organized. We tested this hypothesis by characterizing the patterns of intermuscular force-dependent feedback between the primary extensor muscles spanning the knee, ankle, and toes in decerebrate cat hindlimbs. Intermuscular force feedback was evaluated by stretching tendons of selected muscles in isolation and in pairwise combinations and then measuring the resulting force-dependent intermuscular interactions. The relative inhibitory feedback between extensor muscles was examined, as well as symmetry of the interactions across limbs. Differences in the directional biases of inhibitory feedback were observed across cats, with three patterns identified as points on a spectrum: pattern 1, directional bias of inhibitory feedback onto the ankle extensors and toe flexors; pattern 2, convergence of inhibitory feedback onto ankle extensors and mostly balanced inhibitory feedback between vastus muscle group and flexor hallucis longus, and pattern 3, directional bias of inhibitory feedback onto ankle and knee extensors. The patterns of inhibitory feedback, while different across cats, were symmetric across limbs of individual cats. The variable but structured distribution of force feedback across cat hindlimbs provides preliminary evidence that inhibitory force feedback could be a regulated neural control variable. We propose the directional biases of inhibitory feedback observed experimentally could provide important task-dependent benefits, such as directionally appropriate joint compliance, joint coupling, and compensation for nonuniform inertia. NEW & NOTEWORTHY Feedback from Golgi tendon organs project widely among extensor motor nuclei in the spinal cord. The distributed nature of force feedback suggests these pathways contribute to the global regulation of limb mechanics. Analysis of this network in individual animals indicates that the strengths of these pathways can be reorganized appropriately for a variety of motor tasks, including level walking, slope walking, and landing.
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Affiliation(s)
- Mark A Lyle
- School of Biological Sciences, Georgia Institute of Technology , Atlanta, Georgia
| | - T Richard Nichols
- School of Biological Sciences, Georgia Institute of Technology , Atlanta, Georgia
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50
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Lee RH, Sloane R, Pieper C, Lyles KW, Adler RA, Van Houtven C, LaFleur J, Colón-Emeric C. Clinical Fractures Among Older Men With Diabetes Are Mediated by Diabetic Complications. J Clin Endocrinol Metab 2018; 103:281-287. [PMID: 29099931 PMCID: PMC5761492 DOI: 10.1210/jc.2017-01593] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/27/2017] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Type 2 diabetes mellitus among older women has been associated with increased bone mineral density, but paradoxically with increased fracture risk. Findings among older men have varied, and potential mechanisms have not been fully elucidated. METHODS A retrospective study of male veterans 65 to 99 years of age who received primary care in the Veterans Health Administration from 2000 to 2010, using administrative data from all 146 Veterans Health Administration medical centers linked to Centers for Medicare and Medicaid Services Medicare fee-for-service data. Potential mediating factors of the diabetes-associated risk were evaluated using negative binomial regression models with the outcomes of any clinical fracture and hip fracture. RESULTS Of 2,798,309 Veterans included in the cohort, 900,402 (32.3%) had a diagnosis of diabetes. After adjusting for age, race, ethnicity, body mass index, alcohol and tobacco use, rheumatoid arthritis, and corticosteroid use, the risk of any clinical fracture associated with diabetes was 1.22 (95% confidence interval, 1.21 to 1.23) and that of hip fracture was 1.21 (95% confidence interval, 1.19 to 1.23). Significant mediating factors included peripheral neuropathy, cardiovascular disease, and congestive heart failure, with 45.5% of the diabetes-associated fracture risk explained by these diagnoses. CONCLUSIONS Older male Veterans with diabetes have a 22% increased risk of incident clinical fracture compared with those without. A significant portion of this risk is explained by diabetes-related comorbidities, specifically peripheral neuropathy and congestive heart failure. Identification of these mediating factors suggests possible mechanisms, as well as potential interventions.
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Affiliation(s)
- Richard H. Lee
- Duke University School of Medicine, Durham, North Carolina 27710
- Durham Veterans Affairs Medical Center, Durham, North Carolina 27705
| | - Richard Sloane
- Duke University School of Medicine, Durham, North Carolina 27710
- Durham Veterans Affairs Medical Center, Durham, North Carolina 27705
| | - Carl Pieper
- Duke University School of Medicine, Durham, North Carolina 27710
| | - Kenneth W. Lyles
- Duke University School of Medicine, Durham, North Carolina 27710
- Durham Veterans Affairs Medical Center, Durham, North Carolina 27705
| | - Robert A. Adler
- Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, Virginia 23249
- Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298
| | - Courtney Van Houtven
- Duke University School of Medicine, Durham, North Carolina 27710
- Durham Veterans Affairs Medical Center, Durham, North Carolina 27705
| | - Joanne LaFleur
- University of Utah, Salt Lake City, Utah 84112
- Salt Lake City Veterans Affairs Medical Center, Salt Lake City, Utah 84148
| | - Cathleen Colón-Emeric
- Duke University School of Medicine, Durham, North Carolina 27710
- Durham Veterans Affairs Medical Center, Durham, North Carolina 27705
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