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BACKGROUND: Physical therapist-led treatment programs are recommended for patients with femoroacetabular impingement (FAI) syndrome. Views of people with FAI syndrome regarding such interventions are currently unknown, including perceptions of potential barriers and facilitators to participation and adherence to exercise programs. OBJECTIVES: To explore participant perceptions of physical therapist-led programs for FAI syndrome, including barriers and facilitators for accessing physical therapy, and adhering to a rehabilitation program. METHODS: Our qualitative study used semi-structured interviews to explore the perceptions of patients with FAI syndrome undertaking physical therapy-led treatment, where treatment was ceased due to Coronavirus Disease 2019 (COVID-19). The interview topic guide was informed by the Theoretical Domain Framework. Interviews were transcribed verbatim and data categories were developed using inductive thematic analysis. Themes were discussed between researchers until consensus was reached. RESULTS: Fourteen participants (mean age: 30 years) with a range of physical activity backgrounds undertook interviews. We identified four key themes, 1) Patients believed their hip pain was caused by structural damage worsened through exercise; 2) Barriers and facilitators on the feasibility of physical therapist-led programs; 3) Participants held beliefs regarding the importance of adjunct treatments to exercise; and 4) Impact of FAI syndrome on physical activity participation. CONCLUSION: People with FAI syndrome believe they have structural damage which leads to their hip pain and are often afraid to exercise due to fear of causing more damage to their hip. Our findings suggest that people with FAI syndrome want clear education about exercise, imaging, and expectations of cost and duration of treatment.

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BACKGROUND: Hip torque ratios are considered a useful measure for patients with hip pain. However, evidence regarding this measure for patients with femoroacetabular impingement syndrome is scarce. The primary aim of this study was to compare hip external-internal rotation and abduction-adduction torque ratios between patients with femoroacetabular impingement syndrome and asymptomatic individuals. The secondary aim was to compare hip torque ratios between the asymptomatic group and femoroacetabular impingement syndrome patients grouped according to the severity of symptoms and functional limitations. METHODS: Hip abduction-adduction and external-internal rotation torque ratios of 134 individuals with femoroacetabular impingement syndrome and 134 asymptomatic matched controls was assessed through isokinetic testing. Severity of symptoms and functional limitations was assessed through the iHOT-33. Mann Whitney U and Kruskall-Wallis tests were used to compare hip torque ratios between asymptomatic individuals and patients with femoroacetabular impingement syndrome and to patients with femoroacetabular impingement syndrome with different severities of symptoms and functional limitations. FINDINGS: No differences were identified in hip abduction-adduction (U = 7659.5, p = 0.192) and external-internal rotation (U = 8787.5, p = 0.764) torque ratios between patients with femoroacetabular impingement syndrome and asymptomatic individuals. Hip abduction-adduction torque ratio was higher (p = 0.0127) in patients with a severe state (median = 1.80, IQR = 0.61) when compared to asymptomatic individuals (median = 1.52, IQR = 0.45) (moderate effect size, r = 0.45). INTERPRETATION: Patients with severe symptoms and functional limitations related to FAI syndrome presented greater hip abduction-adduction torque ratio than asymptomatic individuals, suggesting a decreased adduction torque capacity relative to abduction torque in this subgroup of femoroacetabular impingement.

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BACKGROUND: The International Hip Outcome Tool (iHOT-33) is a reference instrument among the Patient-Reported Outcome Measures (PROMs) to assess people with hip disorders, including femoroacetabular impingement (FAI) syndrome. Older questionnaires such as the Harris Hip Score, or its modified version (mHHS), and the Hip Outcome Score (HOS), through the full version or its subscales (Activities of Daily Living-ADL; and Sports) are still used in the clinical setting and their construct validity is so far underexplored. OBJECTIVE: To assess the construct validity of mHHS and HOS-ADL compared with iHOT-33 by hypothesis testing in a large sample of patients with FAI syndrome. METHODS: This retrospective study was conducted with data records from patients with FAI syndrome seeking care at a private physical therapy clinic between 2013 and 2018. All participants completed the three questionnaires (mHHS, HOS-ADL, and iHOT-33) during the physical therapy initial assessment. RESULTS: From the 523 patients with FAI syndrome found in the clinic's database, 373 were eligible for this study. An acceptable agreement (r>0.70) was found between HOS-ADL and iHOT-33 (r = 0.77, 95%CI: 0.73, 0.81), but not between mHHS and iHOT-33 (r = 0.68, 95%CI: 0.62, 0.73). HOS-ADL score presented an acceptable agreement with iHOT-Symptoms subscale score (r = 0.78, 95%CI: 0.73, 0.81), while mHHS score did not (r = 0.68, 95%CI: 0.62, 0.73). Neither HOS-ADL or mHHS presented an acceptable agreement with iHOT-Sport, iHOT-Job, or iHOT-Social scores. CONCLUSION: The HOS-ADL score, but not mHSS score, is an acceptable measure of health-related quality of life in patients with FAI syndrome.

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BACKGROUND: There is no evidence whether kinesiophobia affects women and men with femoroacetabular impingement (FAI) syndrome differently. OBJECTIVE: To explore the association between kinesiophobia, quality of life (QoL), pain, and physical function in people with FAI syndrome, and to compare the level of kinesiophobia between women and men with FAI syndrome. METHODS: One-hundred-fifty participants with FAI syndrome (51% women) completed assessment of the following: kinesiophobia with the Tampa Scale for Kinesiophobia; patient reported outcome measures (PROMs) (pain, physical function, health- and hip-related QoL); physical function (side bridge, hop for distance, and one leg rise); and active hip range of motion (flexion, external rotation, internal rotation). RESULTS: Greater kinesiophobia was correlated with worse hip-related QoL (rho=-0.58; p<0.001), self-reported physical function (rho=-0.42; p<0.001), health-related QoL (rho=-0.46; p<0.001), and pain levels (rho=-0.46; p<0.001). In women, kinesiophobia was also associated with worse physical function (hop for distance r=-0.38; p=0.001 and side bridge rho=-0.24; p=0.036) explaining 36% of the variation of the hip-related QoL, 29% of the health-related QoL, and 27% of the self-reported physical function. In men, kinesiophobia explained 35%, 12%, and 10%, respectively. CONCLUSION: In people with FAI syndrome, greater kinesiophobia was associated with worse PROMs, but not with hip range of motion. No sex-related differences in mean kinesiophobia scores were found. In women, an association was found between kinesiophobia and worse performance in physical tests. These findings might indicate that kinesiophobia plays a more important role in the clinical presentation of women with FAI syndrome than men.

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Background The primary aim of this study was to compare knee and hip dynamic muscle strength of individuals with femoroacetabular impingement (FAI) syndrome scheduled for hip arthroscopy with healthy controls. Our secondary aim was to compare hip and knee muscle strength between male and female patients with FAI syndrome. Methods One hundred and thirty-four individuals with femoroacetabular impingement syndrome scheduled for hip arthroscopy and 134 healthy controls matched for sex and age (within 5 years range) underwent an isokinetic assessment of knee extension and flexion and hip abduction, adduction, external rotation and internal rotation dynamic muscle strength. Two MANOVAs were conducted to compare isokinetic peak torque and total work between groups and sexes. Findings Individuals with femoroacetabular impingement syndrome demonstrated lower values of all variables representing knee and hip isokinetic peak torque and total work measures when compared to healthy controls, with differences ranging from 0.09 Nm/kg (95%CI: 0.06-0.12 Nm/kg) to 0.64 Nm/kg (95%CI: 0.49-0.79 Nm/kg). Female participants from both FAI syndrome and control group showed less knee and hip muscle strength compared to male participants. There was no significant interaction between group and sex regarding knee or hip isokinetic peak torque and total work (p > 0.05). Interpretation Individuals with femoroacetabular impingement syndrome scheduled for hip arthroscopy present impairments in knee or hip dynamic muscle strength when compared to controls. Female participants present less knee and hip muscular strength compared to male participants, these between-sex differences are similar for both FAI syndrome and control group participants.

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PURPOSE: This prospective study assessed the effects of low-dose radiotherapy in patients diagnosed with greater trochanteric pain syndrome (GTPS) with recurrent symptoms or refractory to previous conservative measures. METHODS: We evaluated a total of 155 patients (90.3% women, mean age 69 years). Most patients (n = 136) received 10 Gy (1 Gy/day/3 fractions per week on alternate days), but after recommendations of DEGRO guidelines published in 2015, the remaining 19 patients (12.2%) received 6 Gy (1 Gy/day/3 fractions per week on alternate days). RESULTS: At the pre-treatment visit, the mean (standard deviation, SD) visual analog scale (VAS) score was 8), which decreased to 5 (SD 2.2) after 1 month of the end of treatment and to 4 (SD 2.3) after 4 months. An objective symptom response with increased mobility, better sleep quality, and reduction of analgesic medication was found in 56% of patients at 1 month. In 129 patients (83.2%), there was a decrease of at least 1 point in the VAS score, and in 49 patients (29.0%), the VAS score was lower than 3. The mean length of follow-up was 45 months. The probability of maintaining the analgesic response estimated by the Kaplan-Meier method was 53% at 5 years. CONCLUSION: Low dose radiotherapy effectively improved pain in the trochanteric area in most patients with recurrent or refractory GTPS, allowing a reduction in the need for analgesic medications and, more, importantly, better functioning and mobility. Further randomized studies in selected populations of GTPS are needed to define the treatment position of low-dose radiotherapy in this clinical setting.

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BACKGROUND: Hip and groin pain or symptoms is a recurrent musculoskeletal complaint among young and active individuals. It is important to objectively measure functional limitations using patient-related outcomes that have been validated in the language of the target population. OBJECTIVES: To perform a cross-cultural adaptation and to evaluate the measurement properties of the Hip and Groin Outcome Score (HAGOS) for the Brazilian population. METHODS: We adapted the HAGOS to Brazilian Portuguese and evaluated the following measurement properties: internal consistency, test-retest reliability, measurement error, and structural and construct validity. The sample recruited consisted of active individuals between 18 and 55 years of age with long standing hip and groin pain and individuals who participated in sports with high physical demand of the hip and groin region. RESULTS: A total of 103 athletes and physically active individuals of both sexes participated in this study. The HAGOS was successfully translated and culturally adapted to the Brazilian population. Factor analysis confirmed that the HAGOS consists of six subscales. The HAGOS-Br showed good internal consistency. The CFA revealed a Cronbach's alpha for the HAGOS subscales ranging from 0.86 to 0.96, test-retest reliability was substantial, with intraclass correlation coefficients ranging from 0.81 to 0.94 for the six subscales and an acceptable measurement error (standard error of measurement [SEM]=5.43-11.15 points; and smallest detectable chance [SDC]= 16.71-30.9 points). Good construct validity existed with more than 75% of the pre-defined hypotheses being confirmed. No ceiling or floor effects were observed. CONCLUSION: The HAGOS-Br showed to be equivalent to the original version with adequate validity and reliability properties.

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El dolor de cadera en un niño menor de 10 años es un desafío diagnóstico. La causa de este dolor puede ser inflamatoria, infecciosa o propia de un esqueleto en desarrollo. Como en todo paciente pediátrico, la clínica algunas veces no será evidente y requerirá de la experiencia del médico para poder obtener síntomas y signos que guíen el estudio. En esta revisión se presentan las causas más frecuentes de coxalgia en pacientes menores de 10 años.

Hip pain in children under ten years of age is a diagnostic challenge. The origin of the pain can be inflammatory, infectious, or proper to a pediatric growing skeleton. As in every pediatric patient, clinical history may not be evident and the physician experience will be necessary to obtain clinical features to guide the patient study. In this review, the most frequent causes of hip pain in children under ten years of age are displayed.

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OBJECTIVE: To summarize the effects of surgical treatment compared to conservative treatment in femoroacetabular impingement syndrome in the short, medium, and long term. STUDY DESIGN: Systematic review. METHODS: The following databases were searched on 14/09/2020: MEDLINE, EMBASE, CENTRAL, Web of Science, and PEDro. There were no date or language limits. The methodological quality assessment was performed using the PEDro scale and the quality of the evidence followed the GRADE recommendation. The outcomes pain, disability, and adverse effects were extracted. RESULTS: Of 6264 initial studies, three met the full-text inclusion criteria. All studies were of good methodological quality. Follow up ranged from six months to two years, with 650 participants in total. The meta-analyses found no difference in disability between surgical versus conservative treatment, with a mean difference (MD) between groups of 3.91 points (95% CI -2.19 to 10.01) at six months, MD of 5.53 points (95% CI -3.11 to 14.16) at 12 months and 3.8 points (95% CI -6.0 to 13.6) at 24 months. The quality of the evidence (GRADE) varied from moderate to low across all comparisons. CONCLUSION: There is moderate-quality evidence that surgical treatment is not superior to conservative treatment for femoroacetabular impingement syndrome in the short term, and there is low-quality evidence that it is not superior in the medium term. LEVEL OF EVIDENCE: Therapy, level 1a. REGISTRATION NUMBER: PROSPERO CRD42019134118.

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BACKGROUND: Femoroacetabular impingement (FAI) syndrome is a hip joint motion-related clinical disorder characterized by abnormal contact between the hip joint structures. Abnormal hip morphology and joint pain may impair the hip joint range of motion (ROM) and muscle function. However, FAI effects on hip joint ROM and muscle strength remain controversial. OBJECTIVES: The purpose of this study was to compare hip joint ROM and muscle strength between FAI syndrome patients and healthy controls. METHODS: Twenty FAI syndrome male patients and 20 healthy male controls (CG) matched for age (FAI=28±6 years; CG=27±5 years), body mass (FAI=81±12kg; CG=80±13kg) and height (FAI=177±6cm; CG=178±6cm), participated in the study. Hip joint ROM for flexion, internal rotation and external rotation were assessed through goniometry. Maximal isometric strength for hip flexion, extension, abduction and adduction were evaluated through hand-held dynamometry. RESULTS: Hip joint ROM was significantly lower in FAI syndrome patients compared with CG for passive flexion (-4%; effect size - ES=0.65), active internal rotation (-42%; ES=1.60), active external rotation (-28%; ES=1.46) and passive external rotation (-23%; ES=1.63). FAI patients' hip extensors (-34%; ES=1.46), hip adductors (-33%; ES=1.32), and hip flexors (-25%; ES=1.17) were weaker compared to the CG subjects. CONCLUSIONS: FAI syndrome patients presented both hip muscle weakness and reduced joint ROM compared to match CG.

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Van Neck-Odelberg disease or ischiopubic osteochondritis, is a rare cause of pain in the pediatric pelvis due to late closure in synchondrosis ischiopubic, whose main symptom is an asymmetric pain that can cause a limitation in movement or limp. The different characteristics by images from simple radiography, computed tomography, MRI and bone scintigraphy scan will increase certainty diagnosis and will allow the correct differential diagnosis with fractures, posttraumatic osteolysis, infections or tumors, that leads to unnecessary invasive procedures, this being a benign disease with an evolution and improvement that occurs in weeks or months with conservative treatment. A case of a 15-year-old boy who consulted our hospital with an extra-institutional diagnosis of right ischiopubic fracture. After being evaluated by different imaging methods, a diagnosis of Van Neck-Odelberg or ischiopubic osteochondritis was made.

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ABSTRACT Bilateral stress fracture of femoral neck in healthy young patients is an extremely rare entity, whose diagnostic and treatment represent a major challenge. Patients with history of hip pain, even non-athletes or military recruits, should be analyzed to achieve an early diagnosis and prevent possible complications from the surgical treatment. This report describes a 43-year-old male patient, non-athlete, without previous diseases, who developed bilateral stress fracture of femoral neck without displacement. He had a late diagnosis; bilateral osteosynthesis was made using cannulated screws. Although the diagnosis was delayed in this case, the study highlights the importance of the diagnosis of stress fracture, regardless of the activity level of the patients, for the success of the treatment.

RESUMO A fratura de estresse bilateral do colo do fêmur em pacientes adultos sadios é uma entidade extremamente rara, cujo diagnóstico e tratamento representam um grande desafio. Pacientes com história de dor no quadril, mesmo se não forem atletas ou militares, devem ser analisados para se obter um diagnóstico precoce e prevenir possíveis complicações provenientes do tratamento cirúrgico. Este relato descreve um paciente de 43 anos, não atleta, do gênero masculino, sem doenças prévias, que desenvolveu fratura de estresse do colo do fêmur bilateral sem desvio, diagnosticado e tratado tardiamente com osteossíntese bilateral com parafusos canulados. Apesar de o diagnóstico ter sido tardio nesse caso, enfatiza-se a importância de se obter diagnóstico de fratura de estresse, independentemente do nível de atividade dos pacientes, para o sucesso do tratamento.

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Bilateral stress fracture of femoral neck in healthy young patients is an extremely rare entity, whose diagnostic and treatment represent a major challenge. Patients with history of hip pain, even non-athletes or military recruits, should be analyzed to achieve an early diagnosis and prevent possible complications from the surgical treatment. This report describes a 43-year-old male patient, non-athlete, without previous diseases, who developed bilateral stress fracture of femoral neck without displacement. He had a late diagnosis; bilateral osteosynthesis was made using cannulated screws. Although the diagnosis was delayed in this case, the study highlights the importance of the diagnosis of stress fracture, regardless of the activity level of the patients, for the success of the treatment.

A fratura de estresse bilateral do colo do fêmur em pacientes adultos sadios é uma entidade extremamente rara, cujo diagnóstico e tratamento representam um grande desafio. Pacientes com história de dor no quadril, mesmo se não forem atletas ou militares, devem ser analisados para se obter um diagnóstico precoce e prevenir possíveis complicações provenientes do tratamento cirúrgico. Este relato descreve um paciente de 43 anos, não atleta, do gênero masculino, sem doenças prévias, que desenvolveu fratura de estresse do colo do fêmur bilateral sem desvio, diagnosticado e tratado tardiamente com osteossíntese bilateral com parafusos canulados. Apesar de o diagnóstico ter sido tardio nesse caso, enfatiza-se a importância de se obter diagnóstico de fratura de estresse, independentemente do nível de atividade dos pacientes, para o sucesso do tratamento.

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La epifisiolistesis capital femoral es la pérdida de la relación anatómica entre la epífisis y la metáfisis del extremo proximal del fémur, producida por un desplazamiento a través del cartílago de crecimiento. Es la patología de cadera más frecuente de la adolescencia y su origen es multifactorial. El diagnóstico es clínico y se confirma radiológicamente. Es una urgencia traumatológica y su tratamiento debe ser precoz y quirúrgico. Es una lesión que requiere un alto índice de sospecha por parte del médico examinador y no realizar su diagnóstico a tiempo puede tener consecuencias devastadoras. Presentamos el caso de un adolescente, femenino de 12 años, quien sufrió una epifisiolistesis capital femoral, con 6 meses de evolución, no diagnosticada en su fase aguda; mostramos su evolución desde el inicio y su resolución mediante osteotomía de Dunn. El diagnóstico oportuno es la primera y única forma de evitar complicaciones a mediano y largo plazo(AU)

The slipped capital femoral epiphysis syndrome is the loss of the anatomical relationship between the epiphysis and metaphysis of the proximal end of the femoral head caused by a movement across the growth cartilage. Hip is the most common pathology of adolescence and its origin is multifactorial. Diagnosis is clinical and confirmed radiologically. It's an emergency trauma and its treatment should be early and surgical. It is an injury that requires a high index of suspicion by the examining physician and diagnose it early can have devastating consequences. We report the case of a female teenager aged 12, who presented a capital femoral epiphyseal, 6 months of evolution, which was not diagnosed in its acute phase. Introducing its evolution from the beginning and its resolution by Dunn osteotomy. Early diagnosis is the first and only way to avoid complications in the medium and long term(AU)

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