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BACKGROUND: This study aimed to determine the risk factors of hallux valgus angle among preprofessional adolescent dancesport athletes. METHODS: A total of 275 athletes, (73 males and 202 females) aged between the ages of 11 and 18 years, participated in this study. A cross-sectional questionnaire was used to survey their demographic characteristics (sex and age), training information (starting age, weekly training time, and athletic career [number of years of training at this specific dancesport school]), and measured their height and weight. The hallux valgus angle was measured based on foot photographs. The chi-square test was used to compare the difference with prevalence of hallux valgus between male and female athletes. A normal distribution test was performed, and based on the test results, unpaired t-test and multiple logistic regression were conducted to identify training factors for the hallux valgus in this cohort. RESULTS: Chi-square test showed higher prevalence of hallux valgus in female elite adolescent dancesport athletes than males. The t-test results did not show any significant differences between the hallux valgus group and non-hallux valgus groups with start age, athletic career, and weekly training time. Multiple logistic regression analysis with hallux valgus as the dependent variable revealed that the female sex was a strong predictor of a higher prevalence of hallux valgus (odds ratio [OR]: 3.954, 95% confidence interval 95% CI: 2.193-7.131, and p < 0.001). Weekly training time was also entered into the multiple logistic regression model (OR: 1.033, 95% CI: 1.001-1.067, and p = 0.041). CONCLUSIONS: Our findings revealed that the prevalence of hallux valgus in adolescent dancesport athletes was higher in females than in males. Longer weekly training time was also a risk factor for hallux valgus. Training factors should be considered in preventive programs for elite adolescent dancesport athletes, and special attention should be paid to female athletes.
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Hallux Valgus , Humanos , Femenino , Masculino , Adolescente , Hallux Valgus/epidemiología , Prevalencia , Estudios Transversales , Niño , Factores de Riesgo , Atletas/estadística & datos numéricos , Factores Sexuales , Encuestas y CuestionariosRESUMEN
OBJECTIVE: Clinically, it has been found that patients undergoing knee replacement have a high incidence of concomitant hallux valgus. In this study, we analyzed whether patients with osteoarthritis who underwent surgery and those patient who did not have surgery had an increased risk of hallux valgus by Mendelian randomization and performed reverse causal analysis. DESIGN: Genomewide association study (GWAS) data for osteoarthritis, categorized by knee arthritis with joint replacement, knee arthritis without joint replacement, hip arthritis with joint replacement, and hip arthritis without joint replacement.And acquired hallux valgus were downloaded for Mendelian randomized studies. MR analysis was performed using inverse variance-weighted (IVW), weighted median, and MR-Egger methods. MR-egger regression, MR pleiotropic residuals and outliers (MR-presso), and Cochran's Q statistical methods were used to evaluate heterogeneity and pleiotropy. RESULTS: The IVW results indicate that, compared to healthy individuals, patients who meet the criteria for knee osteoarthritis joint replacement surgery have a significantly higher risk of acquired hallux valgus. There were no significant causal relationships found for the remaining results. No significant heterogeneity or multiplicity was observed in all the Mr analyses. CONCLUSION: Our study supports the increased risk of acquired hallux valgus in patients eligible for knee replacement. There is necessary for clinicians to be concerned about the hallux valgus status of patients undergoing knee arthroplasty.
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Artroplastia de Reemplazo de Rodilla , Estudio de Asociación del Genoma Completo , Hallux Valgus , Análisis de la Aleatorización Mendeliana , Osteoartritis de la Rodilla , Humanos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Hallux Valgus/cirugía , Hallux Valgus/genética , Hallux Valgus/epidemiología , Osteoartritis de la Rodilla/cirugía , Osteoartritis de la Rodilla/genética , Osteoartritis de la Rodilla/epidemiología , Factores de Riesgo , Femenino , Masculino , Osteoartritis de la Cadera/cirugía , Osteoartritis de la Cadera/genética , Osteoartritis de la Cadera/epidemiología , Persona de Mediana EdadRESUMEN
BACKGROUND: Hallux Valgus (HV) deformity is associated with misalignment in the sagittal plane that affects the first toe. However, the repercussions of the first toe hyperextension in HV have been scarcely considered. The purpose of this study was to provide evidence of the association between first-toe hyperextension and the risk of first toenail onycholysis in HV. METHODS: A total of 248 HV from 129 females were included. The extension of 1st MTP joint was measured while the patient was in the neutral position of the hallux using a two-branch goniometer. The classification of the HV severity stage was determined by the Manchester visual scale, and the height of the first toe in the standing position was measured using a digital meter. An interview and clinical examination were performed to collect information on the presence of onycholysis of the first toe. RESULTS: Of the 248 HV studied, 100 (40.3%) had onycholysis. A neutral extension > 30 degrees was noted in 110 (44.3%) HV. The incidence of onycholysis was higher in HV type C than in type B (p = 0.044). The probability of suffering onycholysis in the right foot was 2.3 times greater when the neutral position was higher than 30 degrees (OR = 2.3; p = 0.004). However, this was not observed in the left foot (p = 0.171). Onycholysis was more frequent in HV with more than 2 cm height of the first toe (p < 0.001). For both feet, the probability of suffering onycholysis was greater for each unit increase in hallux height (right foot OR = 9.0402, p = 0.005; left foot OR = 7.6633, p = 0.010). CONCLUSIONS: The incidence of onycholysis appears to be significantly associated with HV showing more than 30º extension, and more than 2 cm height of the first toe. Height and hyperextension of the first toe together with first toenail pathology should be mandatory in the evaluation of HV.
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Juanete , Hallux Valgus , Hallux , Articulación Metatarsofalángica , Onicólisis , Humanos , Femenino , Hallux Valgus/epidemiología , Estudios Transversales , Prevalencia , Onicólisis/patología , Articulación Metatarsofalángica/patologíaRESUMEN
BACKGROUND: Though hallux valgus is a common foot deformity, the integrated information on its global prevalence and incidence is relatively lacking. The aim of this research was to assess the global prevalence and incidence of hallux valgus, thus providing reliable data reference for clinical practice. METHODS: A systematic review of global hallux valgus research publications concerning its prevalence and incidence was performed based on six electronic databases ((PubMed, Embase, Cochrane Library, Chinese National Knowledge Infrastructure (CNKI), China Online Journals and CQVIP)) from their inception to November 16, 2022. The search terms included "hallux valgus or bunion and prevalence or incidence or epidemiology." All languages were included. Data were extracted by country, continent, age group, gender and other information. The risk of bias was assessed by the Joanna Briggs Institute Critical Appraisal Instrument for Studies Reporting Prevalence Data by using random-effects models to synthesize available evidence. RESULTS: A total of 45 studies were included in the meta-analysis. The overall pooled estimated prevalence was 19% (95% CI, 13% to 25%) (n=186,262,669) for hallux valgus. In subgroup meta-analyses, the prevalence of hallux valgus was 21.96% (95% CI, 10.95% to 35.46%) in Asia, 3% (95% CI, 0% to 15%) in Africa, 18.35% (95% CI, 11.65% to 26.16%) in Europe, 29.26% (95% CI, 4.8% to 63.26%) in Oceania, and 16.1% (95% CI, 5.9% to 30.05%) in North America, respectively. The pooled prevalence of hallux valgus by gender was 23.74% (95% CI, 16.21% to 32.21%) for females and 11.43% (95% CI, 6.18% to 18%) for males. The prevalence was 11% (95% CI, 2% to 26%) in individuals younger than 20 years old, 12.22% in adults aged 20-60 years (95% CI, 5.86% to 20.46%) and 22.7% in elderly people aged over 60 years (95% CI, 13.1% to 33.98%). CONCLUSION: This research provided the global prevalence and incidence of hallux valgus in terms of its spatial, temporal, and population distribution. The global estimated pooled prevalence and incidence of hallux valgus was 19%. A higher prevalence of hallux valgus was found in females, Oceania countries, and among people aged over 60 years. Due to the high heterogeneity of the included studies, the findings should be interpreted with caution.
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Juanete , Hallux Valgus , Adulto , Anciano , Femenino , Masculino , Humanos , Persona de Mediana Edad , Adulto Joven , Hallux Valgus/epidemiología , Incidencia , Prevalencia , ChinaRESUMEN
BACKGROUND: An association between the medial partite hallux sesamoid (MPHS) and hallux valgus (HV) has been suggested; however, a causal relationship has not been confirmed. This study aimed to determine their causal relationship using a cross-sectional radiographic survey of a large-scale population cohort covering a wide age group. PATIENTS AND METHODS: The fifth survey of the Research on Osteoarthritis/Osteoporosis against Disability study involved 1997 participants aged 21-95 years who had undergone anteroposterior radiography of bilateral feet. The presence of MPHS, its morphology, and radiographic parameters related to the HV were assessed using radiographs. Changes in the prevalence of MPHS with age were assessed using trend tests. The relationship between the MPHS and HV was assessed based on sex and age. RESULTS: MPHS was found in 508 out of 3994 feet (12.7 %), with a significant difference in prevalence between men and women (10.0 % vs. 13.7 %, p < 0.001). Trend analysis demonstrated a significant decrease in MPHS occurrence with age in both sexes. HV angle was significantly higher in feet with MPHS than in those without (Men: 17.8 ± 7.0° vs. 14.0 ± 5.9°, p < 0.0001; Women: 19.6 ± 7.7° vs. 17.7 ± 7.9°, p < 0.0001). The prevalence of HV angle ≥ 20° was also significantly higher in feet with MPHS than in those without (Men: 33.3 % vs. 14.6 %, p < 0.0001; Women: 46.5 % vs. 34.6 %, p < 0.0001). This association between MPHS and HV was noticeable in younger adults and became less prominent with age. CONCLUSIONS: MPHS is associated with HV. The weakening of this relationship and the decreased prevalence of MPHS with age suggest that MPHS is not caused by HV, but is one of the causes of HV, especially in younger adults.
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Juanete , Hallux Valgus , Hallux , Huesos Metatarsianos , Adulto , Masculino , Humanos , Femenino , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/etiología , Hallux/diagnóstico por imagen , Estudios Transversales , Pie , Radiografía , Juanete/complicaciones , Estudios RetrospectivosRESUMEN
BACKGROUND: Previous simulated weight-bearing CT (WBCT) studies classifying first metatarsal (M1) pronation suggested a high prevalence of M1 hyper-pronation in hallux valgus (HV). These findings have prompted a marked increase in M1 supination in HV surgical correction. No subsequent study confirms these M1 pronation values, and two recent WBCT investigations suggest lower normative M1 pronation values. The objectives of our WBCT study were to (1) determine M1 pronation distribution in HV, (2) define the hyperpronation prevalence compared to preexisting normative values, and (3) assess the relationship of M1 pronation to the metatarso-sesamoid complex. We hypothesized that the M1 head pronation distribution would be high in HV. METHODS: We retrospectively identified 88 consecutive feet with HV in our WBCT dataset and measured M1 pronation with the Metatarsal Pronation (MPA) and α angles. Similarly, using two previously published methods defining the pathologic pronation threshold, we assessed our cohort's M1 hyper-pronation prevalence, specifically (1) the upper value of the 95% confidence interval (CI95) and (2) adding two standard deviations at the mean normative value (2 SD). Sesamoid station (grading) was assessed on the coronal plane. RESULTS: The mean MPA was 11.4+/-7.4 degrees and the α angle was 16.2+/-7.4 degrees. According to the CI95 method, 69/88 HV (78.4%) were hyperpronated using the MPA, and 81/88 HV (92%) using the α angle. According to the 2 SD method, 17/88 HV (19.3%) were hyperpronated using the MPA, and 20/88 HV (22.7%) using the α angle. There was a significant difference in MPA among sesamoid gradings (p = 0.025), with a paradoxical decrease in MPA when metatarsosesamoid subluxation was increased. CONCLUSION: M1 head pronation distribution in HV was higher than in normative values, but threshold change demonstrated contradictory hyper-pronation prevalences (85% to 20%), calling into question the previously reported high prevalence of M1 hyper-pronation in HV. An increase in sesamoid subluxation was associated with a paradoxical decrease in M1 head pronation in our study. We suggest that a greater understanding of the impact of HV M1 pronation is warranted before routine M1 surgical supination is recommended for patients with HV. LEVEL OF EVIDENCE: Level III, retrospective cohort study.
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Juanete , Hallux Valgus , Huesos Metatarsianos , Humanos , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/cirugía , Estudios Retrospectivos , Prevalencia , Huesos Metatarsianos/diagnóstico por imagen , Huesos Metatarsianos/cirugía , Huesos Metatarsianos/patología , PronaciónRESUMEN
INTRODUCTION: This cross-sectional study aimed to determine the factors related to hallux valgus (HV) and their importance using support vector machine-recursive feature elimination (SVM-RFE). METHODS: A total of 864 participants aged ≥ 18 years were enrolled. The Manchester scale was used to determine the presence of HV (summed scores for both feet ≥ 4). The questionnaire included items such as age, sex, height, weight, and foot measurements. These internal factors were analyzed to determine if they are related to HV using SVM-RFE. RESULTS: The results of tenfold cross-validation using SVM-RFE revealed that the numbers of feature selections were 10, 10, and 9 for age, sex, and body weight, respectively, and these factors were shown to be related to HV. HV was found to be more common in women than in men (women, 24.9%; men, 7.6%), but the sex difference was not significant in older people. CONCLUSION: Age and sex were found to be important factors associated with HV identified via feature selection using SVM-RFE.
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Juanete , Hallux Valgus , Masculino , Femenino , Humanos , Anciano , Hallux Valgus/epidemiología , Hallux Valgus/cirugía , Máquina de Vectores de Soporte , Estudios Transversales , PieRESUMEN
Introduction: Previous observational studies have reported that thyroid dysfunction is associated with hallux valgus (HV). However, the causal effect of thyroid dysfunction on hallux valgus is still unknown. To assess whether there is a causal relationship between thyroid dysfunction and hallux valgus, we performed a two-sample Mendelian randomization (MR) study. Methods: The data of the two-sample Mendelian randomization study were obtained from public databases. In this study, hypothyroidism, hyperthyroidism, free thyroxine (FT4), and thyrotropin (TSH) were chosen as exposures. The single nucleotide polymorphisms (SNP) of hypothyroidism and hyperthyroidism were from the genome-wide association studies (GWAS) of the IEU database, including 337,159 subjects. Data for FT4 and TSH (72,167 subjects) were extracted from the ThyroidOmics Consortium. HV was used as the outcome. The SNPs associated with HV were selected from a GWAS of 202,617 individuals in the fignngen database. The inverse variance weighted (IVW) method was used as the primary analysis. Four complementary methods were applied, including MR-presso, MR-Egger, and weighted median. In addition, Cochran's Q test, MR-presso, MR-Egger regression, and the leave-one-out test were used as sensitivity analysis, and the MR-pleiotropy test was performed to examine pleiotropy. Results: According to the results of IVW, we found that there was a causal relationship between hypothyroidism and HV, and hypothyroidism increased the incidence of HV (OR = 2.838 (95% CI: 1.116-7.213); p = 0.028). There were no significant causal effects of hyperthyroidism, FT4, and TSH on HV (p > 0.05). Sensitivity analyses showed that the results were robust and reliable, and no horizontal pleiotropy was detected. Conclusions: Our findings provided genetic support that hypothyroidism might increase the risk of HV. It will predict the occurrence of HV in patients with hypothyroidism and provide suggestions for early prevention and intervention.
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Hallux Valgus , Hipertiroidismo , Hipotiroidismo , Humanos , Hallux Valgus/epidemiología , Hallux Valgus/genética , Estudio de Asociación del Genoma Completo , Análisis de la Aleatorización Mendeliana , Hipotiroidismo/complicaciones , Hipotiroidismo/epidemiología , Hipotiroidismo/genética , TirotropinaRESUMEN
BACKGROUND: Amputation of the second toe is associated with destabilization of the first toe. Possible consequences are hallux valgus deformity and subsequent pressure ulcers on the lateral side of the first or on the medial side of the third toe. The aim of this study was to investigate the incidence and possible influencing factors of interdigital ulcer development and hallux valgus deformity after second toe amputation. METHODS: Twenty-four cases of amputation of the second toe between 2004 and 2020 (mean age 68 ± 12 years; 79% males) were included with a mean follow-up of 36 ± 15 months. Ulcer development on the first, third, or fourth toe after amputation, the body mass index (BMI) and the amputation level (toe exarticulation versus transmetatarsal amputation) were recorded. Pre- and postoperative foot radiographs were evaluated for the shape of the first metatarsal head (round, flat, chevron-type), the hallux valgus angle, the first-second intermetatarsal angle, the distal metatarsal articular angle and the hallux valgus interphalangeal angle by two orthopedic surgeons for interobserver reliability. RESULTS: After amputation of the second toe, the interdigital ulcer rate on the adjacent toes was 50% and the postoperative hallux valgus rate was 71%. Neither the presence of hallux valgus deformity itself (r = .19, p = .37), nor the BMI (r = .09, p = .68), the shape of the first metatarsal head (r = - .09, p = .67), or the amputation level (r = .09, p = .69) was significantly correlated with ulcer development. The interobserver reliability of radiographic measurements was high, oscillating between 0.978 (p = .01) and 0.999 (p = .01). CONCLUSIONS: The interdigital ulcer rate on the first or third toe after second toe amputation was 50% and hallux valgus development was high. To date, evidence on influencing factors is lacking and this study could not identify parameters such as the BMI, the shape of the first metatarsal head or the amputation level as risk factors for the development of either hallux valgus deformity or ulcer occurrence after second toe amputation. TRIAL REGISTRATION: BASEC-Nr. 2019-01791.
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Diabetes Mellitus , Hallux Valgus , Huesos Metatarsianos , Masculino , Humanos , Persona de Mediana Edad , Anciano , Anciano de 80 o más Años , Femenino , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/cirugía , Úlcera , Reproducibilidad de los Resultados , Osteotomía/efectos adversos , Dedos del Pie/cirugía , Huesos Metatarsianos/diagnóstico por imagen , Huesos Metatarsianos/cirugía , Amputación Quirúrgica/efectos adversosRESUMEN
Background: Although hallux valgus is known to cause lower-back pain, the association between hallux valgus and spinal degenerative disease remains unclear. Methods: A retrospective cohort study was conducted between 1 January 2000 and 31 December 2015 using data from the Longitudinal Health Insurance Database in Taiwan. After propensity score matching for age, sex, and some potential comorbidities, 1000 individuals newly diagnosed with hallux valgus were enrolled in the study group, while 1000 individuals never diagnosed with hallux valgus served as the control group. Both groups were followed up until 2015 to evaluate the incidence of hallux valgus. Kaplan-Meier analysis was used to determine the cumulative incidence of hallux valgus, while the Cox proportional hazard model was adopted to estimate the hazard ratio (HR) and adjusted hazard ratio (aHR) with 95% confidence intervals (CIs). Results: The incidence densities of spinal degeneration in the hallux valgus and non-hallux valgus groups were 73.10 and 42.63 per 1000 person-years, respectively. An increased risk of spinal degenerative changes was associated with hallux valgus (adjusted HR = 1.75, 95% CI = 1.50−2.05). Age- and sex-stratified analyses showed a significantly higher risk of spinal degeneration in the hallux valgus group. Moreover, sub-outcome evaluations revealed significantly higher risks of spondylosis (aHR = 2.01, 95% CI = 1.55−2.61), intervertebral disorder (aHR = 2.27, 95% CI = 1.62−3.17), and spinal stenosis (aHR = 1.24, 95% CI = 1.47−1.76). There was also an increased risk of spinal degenerative change in those with hallux valgus without surgical intervention (aHR = 1.95, 95% CI = 1.66−2.99, p < 0.001). Conclusions: Hallux valgus was associated with increased risk of degenerative spinal changes and other spinal disorders.
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Hallux Valgus , Enfermedades de la Columna Vertebral , Humanos , Estudios Retrospectivos , Estudios de Cohortes , Columna Vertebral , Hallux Valgus/epidemiología , Hallux Valgus/complicaciones , Enfermedades de la Columna Vertebral/complicacionesRESUMEN
Brachymetatarsia is caused by premature closure of the physis and is characterized by a short metatarsal. Additional foot conditions may exist in patients presenting with brachymetatarsia, such as hallux valgus (HV). A retrospective study was performed to evaluate the prevalence of HV and brachymetatarsia in the ipsilateral foot. Ninety-seven feet with congenital brachymetatarsia were reviewed in a multi-study cohort of 66 patients who underwent surgical correction between January 2005 and August 2020 at a single institution. The group was comprised of 61 females and 5 males, with a mean age of 27 years. HV deformities were verified with standardized anteroposterior radiographs. HV was present in 29 of 97 feet for a prevalence of 30% in the feet with brachymetatarsia. Our results demonstrate a 30% prevalence of HV associated with brachymetatarsia. This information is helpful for foot and ankle surgeons managing brachymetatarsia to determine appropriate conservative or surgical management of this condition.
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Juanete , Deformidades Congénitas del Pie , Hallux Valgus , Huesos Metatarsianos , Osteogénesis por Distracción , Masculino , Femenino , Humanos , Adulto , Estudios Retrospectivos , Prevalencia , Huesos Metatarsianos/diagnóstico por imagen , Huesos Metatarsianos/cirugía , Huesos Metatarsianos/anomalías , Osteogénesis por Distracción/métodos , Deformidades Congénitas del Pie/diagnóstico por imagen , Deformidades Congénitas del Pie/epidemiología , Deformidades Congénitas del Pie/cirugía , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/cirugíaRESUMEN
BACKGROUND: Hallux valgus (HV) is occasionally associated with chronic subluxation or dislocation (CS/D) of the second metatarsophalangeal joint (2MTPj). The present study aimed to radiographically investigate the prevalence and characteristics of HV with CS/D of the 2MTPj compared with matched controls. METHODS: Dorsoplantar and lateral weight-bearing radiographs of 79 female patients (79 feet) who had HV with an age of 50 years or more were reviewed. All feet were treated with a proximal supination osteotomy for correction of HV. CS/D of the 2MTPj was evaluated on preoperative dorsoplantar and lateral radiographs. HV and intermetatarsal (IM) angles were measured. Seventy-nine feet were divided into two groups: Group CD (16 feet) had HV with CS/D of the 2MTPj, and Group non-CD had HV without the CS/D of the 2MTPj (63 feet). The severity of HV was divided into two grades according to the HV angle: moderate deformity (Group M, 36 feet, HV angle of less than 40°) and severe deformity (Group S, 43 feet, HV angle of 40° or greater). Group CD and non-CD, and Group M and S were matched by age, gender, and BMI. RESULTS: The prevalence of CS/D of the 2MTPj was 20.3%. Group CD had a significantly higher HV angle (p = 0.0001) and a significantly higher IM angle (p = 0.042) than Group non-CD. The prevalence of CS/D of the 2MTPj in Group S (34.9%) were significantly higher than that in Group M (2.8%) (p < 0.001). CONCLUSIONS: CS/D of the 2MTPj was significantly associated with greater HV and IM angles compared with matched controls. The prevalence of CS/D of the 2MTPj (34.9%) in Group S was significantly higher than that in Group M. Severe HV can be at higher risk of acquiring CS/D of the 2MTPj in middle-aged and older females.
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Hallux Valgus , Luxaciones Articulares , Huesos Metatarsianos , Articulación Metatarsofalángica , Persona de Mediana Edad , Humanos , Femenino , Anciano , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/cirugía , Prevalencia , Articulación Metatarsofalángica/diagnóstico por imagen , Articulación Metatarsofalángica/cirugía , Pie , Radiografía , Luxaciones Articulares/diagnóstico por imagen , Luxaciones Articulares/epidemiología , Luxaciones Articulares/cirugía , Huesos Metatarsianos/cirugía , Resultado del Tratamiento , Estudios RetrospectivosRESUMEN
OBJECTIVE: Hallux valgus is a common and disabling condition. The objective of the present study was to identify factors associated with hallux valgus incidence and progression. METHODS: Participants were from a population-based prospective cohort study, the Clinical Assessment Study of the Foot. All adults ages ≥50 years who were registered at 4 general practices in North Staffordshire, UK, were invited to take part in a postal survey at baseline and at 7-year follow-up, which included health questionnaires and self-assessment of hallux valgus using line drawings. RESULTS: Complete baseline and follow-up data were available for 1,482 participants (739 women and 743 men, mean ± SD age 62.9 ± 8.1 years), of whom 450 (30.4%) had hallux valgus in at least 1 foot at baseline. Incident hallux valgus was identified in 207 (20.1%) participants (349 [15.4%] feet) and was associated with baseline age, poorer physical health, foot pain, and wearing shoes with a very narrow toe-box shape between the ages of 20 and 29 years. Hallux valgus progression was identified in 497 (33.6%) participants (719 [24.3%] feet) but was not associated with any baseline factors. CONCLUSION: Incident hallux valgus develops in 1 in 5 adults ages ≥50 years over a 7-year period and is related to age, poorer physical health, foot pain, and previous use of constrictive footwear. Progression occurs in 1 in 3 adults. These findings suggest that changes in first metatarsophalangeal joint alignment may still occur beyond the age of 50 years.
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Hallux Valgus , Articulación Metatarsofalángica , Adulto , Masculino , Humanos , Femenino , Adulto Joven , Hallux Valgus/epidemiología , Hallux Valgus/etiología , Estudios Prospectivos , Incidencia , Pie , Dolor/epidemiologíaRESUMEN
BACKGROUND: There has been a paucity of literature revealing the discrepancy between self-recognition about hallux valgus (HV) and radiographically-evaluated foot configuration. Knowing this discrepancy will help to make a comparative review of the findings of previous literatures about epidemiological studies about the prevalence of HV. QUESTIONS/PURPOSES: (1) Is there a discrepancy between radiographically-assessed and self-recognized HV in the general population? (2) What factors affect the self-recognition of HV in the general population? METHODS: The fifth survey of the Research on Osteoarthritis/Osteoporosis against Disability study involved 1996 participants who had undergone anterior-posterior radiography of bilateral feet and answered a simple dichotomous questionnaire on self-recognition of HV. Measurements of the HV angle (HVA), interphalangeal angle of the hallux (IPA), and intermetatarsal angle between 1st and 2nd metatarsals (IMA) were performed using radiographs. Radiographic diagnosis of HV was done using the definition of hallux valgus angle of 20° or more. After univariate comparison of the participant backgrounds and radiographic measurements between participants with or without self-recognition of HV, multivariable logistic regression analysis was conducted in order to reveal independent factors affecting self-recognition. RESULTS: Significant difference was found between the prevalence of radiographically-assessed and self-recognized HV (29.8% vs. 16.5%, p < 0.0001). The prevalence of self-recognized HV increased with the progression of HV severity from a single-digit percentage (normal grade, HVA < 20°) up to 100% (severe grade, HVA ≥ 40°). A multivariable logistic regression analysis demonstrated that HVA, IMA, and female sex were independent positive factors for self-recognition of HV (HVA [per 1° increase]: OR, 1.18; 95% CI, 1.15-1.20; p < 0.0001; IMA [per 1° increase]: OR, 1.15; 95% CI, 1.09-1.20; p < 0.0001; and female sex [vs. male sex]: OR, 3.47; 95% CI, 2.35-5.18; p < 0.0001). CONCLUSIONS: There was a significant discrepancy between radiographically-assessed and self-recognized HV which narrowed with the progressing severity of HV. HVA, IMA, and female sex were independent positive factors for self-recognition of HV. Attention needs to be paid to potentially lowered prevalence of HV in epidemiological studies using self-reporting based on self-recognition.
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Juanete , Hallux Valgus , Hallux , Huesos Metatarsianos , Femenino , Pie , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Humanos , Masculino , Estudios RetrospectivosRESUMEN
Underlying metatarsus adductus (MA) is commonly seen in patients with hallux valgus (HV) deformity, with implications regarding procedure selection and hallux valgus recurrence. Lapidus, or first tarsometatarsal fusion, is commonly performed allowing reduction in intermetatarsal angle (IMA) but this procedure has not been established as an approach to provide partial correction of MA deformity. Retrospective assessment of preoperative and postoperative metatarsus adductus angle (MAA), IMA and hallux abductus angle (HAA) in patients treated with Lapidus fusion for HV. Significance was determined via paired t test with a p value of <.05. All cases involved manual transverse plane manipulation to reduce both IMA and MAA during screw insertion. Intermetatarsal angle and Engel's angle were measured on preoperative AP radiographs to determine the presence of underlying MA in patients undergoing Lapidus fusion for HV. Ten weeks and 1 year postoperative radiographs were measured to determine degree of correction of IMA, HAA, and MAA. Thirty-four patients met inclusion criteria, which is approximately 46% of our sample population. The average preoperative IMA was 19.4Ë (range 12-32) and the average postoperative IMA was 9.7Ë (range 6-14). The average preoperative Engel's angle was 27.4Ë (range 24-34) and the average postoperative Engel's angle was 22.6Ë (range 15-28) with mean improvement in MA of 6.6Ë. Of the 34, 27 (79.4%) patients had a normal Engel's angle at 10 weeks postoperatively. All measures of change met level of significance (p < .05). Of the 34 patients, 21 had radiographs taken beyond the 1 year mark (average 53 weeks). These patients were found to have an average Engel's angle of 23.0Ë, which is not statistically significantly different from their 10 week measurements. Of the 21 patients, 17 (81%) maintained normal Engel's angle past 1 year. Metatarsus adductus varies regarding degree of reducibility and complicates preoperative angular measurement and correction of HV. Based on these findings, we recommend Lapidus fusion using this specified manipulation technique to obtain comprehensive transverse plane correction.
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Juanete , Hallux Valgus , Hallux , Huesos Metatarsianos , Metatarso Varo , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/cirugía , Humanos , Huesos Metatarsianos/diagnóstico por imagen , Huesos Metatarsianos/cirugía , Metatarso Varo/cirugía , Estudios RetrospectivosRESUMEN
BACKGROUND: Calcaneal spur and hallux valgus are common foot deformities and both conditions have been shown to disrupt foot biomechanics. OBJECTIVES: This study aimed to investigate the association between calcaneal spur and hallux valgus using radiographic and demographic data. METHODS: A total of 1375 patients (1083 women; mean age: 45.5 years) with standard ankle lateral and foot conventional anteroposterior radiographs were evaluated. The following data were obtained: age, gender, laterality, hallux valgus angle (HVA), intermetatarsal angle (IMA), and calcaneal spur. Patients with a HVA of 15∘ and above were considered to have hallux valgus. Patients with hallux valgus were classified into three different groups according to the HVA. RESULTS: The prevalence of calcaneal spur was higher in older age and women (45.8%, 30.2%; p< 0.01, p< 0.01, respectively). Subjects with and without calcaneal spurs had similarities in terms of their laterality, having a HVA of ⩾ 15∘ and an IMA of ⩾ 11∘ (p> 0.05). Hallux valgus severity was not associated with calcaneal spur (p> 0.05). In addition, the hallux valgus prevalence was higher in patients who were over 50 years old (58.2%, p= 0.046). CONCLUSIONS: The presence of calcaneal spurs does not affect the prevalence of hallux valgus. The severity of hallux valgus determined according to the HVA was similar in patients with and without calcaneal spurs. In addition, female gender and older age were identified as risk factors for calcaneal spurs, while only older age was a risk factor for hallux valgus.
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Hallux Valgus , Espolón Calcáneo , Femenino , Pie , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Humanos , Persona de Mediana Edad , Radiografía , Factores de RiesgoRESUMEN
BACKGROUND: The purpose of this study was to clarify the incidence rate and the risk factors for the progression of the hallux valgus deformity. METHODS: Patients who had weight-bearing radiographs of the foot taken twice or more, with a ≥2-year interval, were retrospectively analyzed. Progression of the deformity was defined as an increase in the hallux valgus angle of ≥5° during the follow-up. The association of hallux valgus progression with patient characteristics and radiographic measurements at baseline was determined using univariate and multivariate analyses. RESULTS: Totally, 268 patients (217 women and 51 men; median age, 64 years) were analyzed. An increase in the hallux valgus angle of ≥5° occurred in 44 (17%) patients in a median follow-up of 49 months. Large hallux valgus angle (odds ratio, 1.07) on the dorsoplantar radiograph at baseline were independent risk factors for the progression of the deformity. CONCLUSION: Progression of the hallux valgus deformity occurred in one of six patients. Furthermore, large hallux valgus angle was the risk factor for subsequent deformity progression. Patients with large hallux valgus angle should be informed about the possible progression of the deformity.
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Juanete , Hallux Valgus , Hallux , Huesos Metatarsianos , Femenino , Hallux Valgus/diagnóstico por imagen , Hallux Valgus/epidemiología , Hallux Valgus/cirugía , Humanos , Masculino , Huesos Metatarsianos/cirugía , Persona de Mediana Edad , Estudios RetrospectivosRESUMEN
BACKGROUND: Several studies have shown the relationship between poor footwear fit and the risk of feet deformities. The available evidence seems to show that the development of hallux valgus deformity in the feet of schoolchildren may be related to the use of shoes that are poorly fitting in length. The objective of this cross-sectional study was to analyze the relationship between poor footwear fit in length and risk of developing hallux valgus. METHODS: Using an instrument that was designed and calibrated for this purpose, maximum foot length was obtained and compared to the inner length of the shoe in 187 schoolchildren. Hallux valgus angle (HVA) was measured on weight-bearing podogram image obtained from the longest foot in 188 schoolchildren. RESULTS: By default, the footwear was poorly fitting in length (too short or close-fitting) in 38.5% of the schoolchildren, with boys having the worst footwear fit; though no significant differences stood out. (p = 0.276). Regarding the HVA, no significant differences were recorded according to age or gender (p = 0.573). A strong correlation was observed between too-short footwear and the increase in HVA in 10-year-old boys (r = 0.817; p = 0.025) and in 9-year-old girls (r = 0.705; p = 0.005). CONCLUSIONS: Inadequate footwear fit in length may be a predisposing extrinsic risk factor for the development of hallux valgus in schoolchildren of both sexes. Results of the present study demonstrate the need to adapt the sizes of footwear to the rapid increase in foot-length that occur at puberty to avoid the risk of developing hallux valgus, especially at the ages of onset pubertal foot growth.
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Hallux Valgus , Niño , Estudios Transversales , Femenino , Pie , Hallux Valgus/epidemiología , Hallux Valgus/etiología , Humanos , Masculino , Factores de Riesgo , ZapatosRESUMEN
OBJECTIVE: Hallux valgus, the lateral deviation of the great toe, can result in poor balance, impaired mobility and is an independent risk factor for falls. This research aims to compare the prevalence of hallux valgus in subpopulations of medieval Cambridge, England, and to examine the relationship between hallux valgus and fractures to examine the impact of impaired mobility and poor balance caused by this condition. MATERIALS: 177 adult individuals from four cemeteries located in Cambridge, England. METHODS: Human remains were macroscopically and radiographically assessed. RESULTS: Hallux valgus was identified in 18 % of individuals and was significantly more common during the 14th-15th centuries than the 11th-13th centuries. The highest prevalence was observed in the friary (43 %), followed by the Hospital (23 %), the rurban parish cemetery (10 %), and the rural parish cemetery (3%). Fractures from falls were significantly more common in those with hallux valgus than those without. CONCLUSION: The increased prevalence of hallux valgus identified in individuals from the 14th to 15th centuries coincided with the adoption of new footwear with pointed toes. Those that adopted this fashion trend appear to have been more likely to develop balance and mobility problems that resulted in an increased risk of falls. SIGNIFICANCE: This is the first study to explore the relationship between foot problems and functional ability by studying hallux valgus in archaeological assemblages. LIMITATIONS: Falls are complex and determining the mechanism of injury in human skeletal remains is not always possible. FURTHER RESEARCH: Fracture prevalence rates may have been affected by biological factors and underlying pathological conditions.
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Fracturas Óseas , Hallux Valgus , Adulto , Cementerios , Hallux Valgus/epidemiología , Humanos , Factores de RiesgoRESUMEN
BACKGROUND: Hallux valgus deformity has been reported to be associated with increased postural sway. However, the direction and magnitude of postural sway associated with hallux valgus remain inconclusive. We assessed the association between hallux valgus deformity and postural sway using a force plate. METHODS: The subjects were 169 healthy volunteers, > 40 years old (63 males, 106 females, average age: 66.0 ± 12.4 years old), who took part in an annual medical examination. We investigated the photographic hallux valgus angle (°), total trajectory length of the gravity center fluctuation (mm), area of the center of pressure (mm2), mediolateral and anteroposterior postural sway (mm) in a standing position with 2-legged stance and eyes open, hallux pain (Numerical Rating Scale), trunk and lower limb muscle mass (kg). We classified the subjects into a hallux valgus group (n = 44, photographic hallux valgus angle of 1 or both feet ≥ 20°) and a no hallux valgus group (n = 125, photographic hallux valgus angle of both feet < 20°) and analyzed the relationship between hallux valgus and postural sway. RESULTS: The anteroposterior postural sway in the hallux valgus group (6.5 ± 2.8) was significantly greater than in the no hallux valgus group (5.4 ± 2.2, p = 0.014), and the lower limb muscle mass in the hallux valgus group (12.4 ± 2.2) was significantly smaller than in the no hallux valgus group (13.5 ± 3.2, p = 0.016). The total value of the photographic hallux valgus angle on both feet was positively correlated with the anteroposterior postural sway (p = 0.021) and negatively correlated with the lower limb muscle mass (p = 0.038). The presence of hallux valgus (p = 0.024) and photographic hallux valgus angle (p = 0.008) were independently related to the magnitude of anteroposterior postural sway. CONCLUSIONS: Hallux valgus deformity and its severity were positively associated with the magnitude of the anteroposterior postural sway. TRIAL REGISTRATION: 2017 - 135. Registered 22 August 2017.