Can a clinical assessment predict the functional status progression in patients with femoroacetabular impingement syndrome?

BACKGROUND: Femoroacetabular impingement syndrome (FAIS) is a hip joint motion-related clinical disorder with a triad of symptoms, clinical signs, and imaging findings. However, scientific evidence is still unclear regarding the best treatment for FAIS. OBJECTIVES: To assess the value of a physical therapy evaluation in predicting the progression of functional status over the subsequent years in patients with FAIS who are candidates for hip arthroscopy surgery. METHODS: In this case-series study, patients with FAIS, candidates for hip arthroscopy surgery, underwent a standard physical therapy evaluation. Baseline data were collected between 2013 and 2019. In 2020/2021, the patients' functional status was assessed through the International Hip Outcome Tool (iHOT-33). Functional status progression was calculated as the difference between the follow-up and baseline iHOT-33 scores. A multivariate forward stepwise regression analysis was conducted to explore the relationship between baseline characteristics and the functional status progression. RESULTS: From 353 patients who completed the baseline assessment, 145 completed the iHOT-33 follow-up. The mean (±SD) follow-up time was 58.7 (27.2) months (minimum 12 and maximum 103 months). The iHOT-33 scores increased 20.7 (21.8) points on average, ranging from -39.8 to 76.9 points. Among the 15 potential predictive factors assessed in this study, only baseline iHOT-33 score (ß -0.44; -0.061, -0.27), femoral version (ß 9.03; 1.36, 16.71), and body mass index (ß -0.99; -1.98, -0.01) had the ability to predict the functional status progression. CONCLUSION: Patients with a lower baseline iHOT-33 score, lower body mass index, and normal femoral version were more likely to increase their functional status after a minimum of one year of follow-up.

Hip muscle weakness and reduced joint range of motion in patients with femoroacetabular impingement syndrome: a case-control study.

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.

Correlation between patient age at total hip replacement surgery and lifeexpectancy

ABSTRACTTotal hip arthroplasty (THA) is one of the most cost-effective hip surgeries among orthopedic procedures. We conducted an extensive literature review with 5,394 papers regarding survival rates after THA. We searched PubMed, Embase and the Cochrane library from January 1st, 1970 to July 31th, 2014 looking for all citations about total hip arthroplasty with a long term follow-up (longer than 10 years). The criteria were rigorous: no loss of follow-up, and follow-up more than 10 years. The authors should have known the complete history of patients (whether the patient is alive or dead). Considering the criteria, we found only 15 papers. To evaluate the relationship between follow-up and survival, a linear regression analysis was applied. Considering the papers analysed, and applying the search criteria, we obtained a mean age for the patients above 57.5 years. The chance of survival at 15 years was 57.6%, at 20 years it was 34.6% and at 25 years it is only 11.6%. The relationship between follow-up and survival was significantly linear (p <0.001). Only 11.6% of patients undergoing THA will be still alive 25 years after the surgical procedure. Level of Evidence I, Prognostic Study.

Correlation between patient age at total hip replacement surgery and lifeexpectancy.

Total hip arthroplasty (THA) is one of the most cost-effective hip surgeries among orthopedic procedures. We conducted an extensive literature review with 5,394 papers regarding survival rates after THA. We searched PubMed, Embase and the Cochrane library from January 1(st), 1970 to July 31(th), 2014 looking for all citations about total hip arthroplasty with a long term follow-up (longer than 10 years). The criteria were rigorous: no loss of follow-up, and follow-up more than 10 years. The authors should have known the complete history of patients (whether the patient is alive or dead). Considering the criteria, we found only 15 papers. To evaluate the relationship between follow-up and survival, a linear regression analysis was applied. Considering the papers analysed, and applying the search criteria, we obtained a mean age for the patients above 57.5 years. The chance of survival at 15 years was 57.6%, at 20 years it was 34.6% and at 25 years it is only 11.6%. The relationship between follow-up and survival was significantly linear (p <0.001). Only 11.6% of patients undergoing THA will be still alive 25 years after the surgical procedure. Level of Evidence I, Prognostic Study.

Osteotomia valgizante para pseudartrose do colo do fêmur: relato de 32 casos / Valgusing intertrochanteric osteotomy for the treatment of femoral neck non-unions: report of 32 cases

Objetivo: Avaliar a consolidação pós-osteotomia osteotomia valgizante do fêmur no tratamento do pseudartrose do colo femoral. Método: Durante 15 anos (1988-2003), 32 casos de pseudartrosedo colo do fêmur foram tratados com osteotomia valgizante e fixação. O seguimento médio dos casos foi de 9,8 anos e a média de idade dos pacientes foi de 41,7 anos. Resultados: Dos 32casos quatro evoluíram para prótese total do quadril e 28 evoluíram para consolidação (87,4%). Oito casos evoluíram necrose parcial. Conclusão: A osteotomia valgizante é altamente eficazpara obtenção da consolidação na pseudartrose do colo do fêmur 87,4% (28/32) A recuperação integral da função do quadril só foi obtida em 56,2% (18/32).

Purpose: The purpose of the present study was to review the results of femoral neck non-unions treatment with valgusing intertrochanteric osteotomy. Methods: Between 1988 and 2003 we treaded thirty two femoral neck non-unions with valgusing osteotomy and fixation. The mean follow-up time was 9.8 years and the mean age was 41.7 years. Results: Twenty eight (87.4%)of the thirty two valgusing osteotomies evolved to femoral neck union, while four cases (12.6%) evolved to total hip arthroplasty. Eight cases evolved to partial osteonecrosis. Conclusions: Thevalgusing intertrochanteric osteotomy for treating femoral neck non-unions achieved consolidation in 87.4% (28/32). However, only 56.2% (18/32) achieved full recovery of hip function.

VALGUSING INTERTROCHANTERIC OSTEOTOMY FOR THE TREATMENT OF FEMORAL NECK NON-UNIONS: REPORT OF 32 CASES.

UNLABELLED: The purpose of the present study was to review the results of femoral neck non-unions treatment with valgusing intertrochanteric osteotomy. METHODS: Between 1988 and 2003 we treaded thirty two femoral neck non-unions with valgusing osteotomy and fixation. The mean follow-up time was 9.8 years and the mean age was 41.7 years. RESULTS: Twenty eight (87.4%) of the thirty two valgusing osteotomies evolved to femoral neck union, while four cases (12.6%) evolved to total hip arthroplasty. Eight cases evolved to partial osteonecrosis. CONCLUSIONS: The valgusing intertrochanteric osteotomy for treating femoral neck non-unions achieved consolidation in 87.4% (28/32). However, only 56.2% (18/32) achieved full recovery of hip function.

Impacto femoroacetabular: uma das condições precursoras da osteoartrose do quadril / Femoroacetabular impingement: a harbinger condition of hip joint osteoarthrosis

A osteoartrose (OA) do quadril é classicamente dividida em dois tipos principais: primárias ou "idiopáticas" e secundárias. Os mecanismos responsáveis pela OA primária da articulação coxofemoral permaneceram desconhecidos por muitos anos. Trabalhos realizados pela equipe do Dr. Reinhold Ganz, em Berna, na Suiça, apontam evidências clínicas sugestivas de que o impacto femoroacetabular (IFA) seja fator etiológico de alterações degenerativas precoces que progridem para OA, sendo, dessa forma, responsáveis por grande parte daquelas outrora classificadas como idiopáticas. Por meio de extensa revisão de literatura, os autores apresentam a terminologia, os mecanismos, a anatomia patológica, os métodos diagnósticos e o tratamento da IFA. Salientam a existência de indícios que permitem, com tratamento precoce, evitar o desencadeamento ou desacelerar a progressão da OA do quadril.

Metalose simulando tumor abdominal / Metallosis mimicking an abdominal tumor

Afrouxamento asséptico e osteólise periprostética, os motivos mais comuns de revisão das artroplastias totais do quadril, são conseqüência da resposta do hospedeiro aos debris liberados pelos componentes da prótese. Os autores relatam um caso de osteólise periprostética após artroplastia do quadril cuja sintomatologia simulava tumor abdominal e enfatizam a necessidade de incluir tal complicação entre aquelas inerentes ao procedimento, sobretudo nas situações em que o quadro clínico é atípico

Análise da espessura do polietileno tibial usado nas artroplasias totais de joelho / Thickness analysis of tibial polyethylene used in total knee arthroplasties

O desgaste excessivo do polietileno tem-se tornado um dos mais importantes fatores na falência asséptica da artroplastia total de joelho. O desenho da prótese, a sua conformidade e a espessura do polietileno influenciam no tipo de estresse de contato exercido entre esse material, sua base tibial e o componente femoral; por isso, uma espessura mínima de 8mm é recomendada para minimizar esse estresse. Entretanto, em muitas próteses, a espessura do polietileno não é informada corretamente pelos fabricantes. A proposta deste estudo foi determinar se a espessura do polietileno confere, realmente, com as informações dos fabricantes. Para isso, realizou-se a mensuração na menor altura das concavidades em ambos os lados do polietileno utilizando dois importados e quatro nacionais da menor altura, que corresponde a 8mm, encontrado mercado. Todas as medidas encontradas estavam abaixo das especificações de cada um dos fabricantes. Os polímeros importados não foram superiores aos nacionais. A espessura mínima recomendada não condiz com as informações dos fabricantes. Todas as amostras mediram menos que 8 mm

Ressecção do fêmur proximal em quadris dolorosos e deslocados na paralisia cerebral / Proximal femoral resection in painful, dislocated hip in cerebral palsy

Em pacientes com paralisia cerebral espástica, o quadril luxado e doloroso pode ser a origem de vários problemas, como impossibilidade de sentar e dor à mobilização. No período entre março de 1997 e dezembro de 2002, foram tratados 14 pacientes (14 quadris) por meio da técnica de ressecção do fêmur proximal e interposição de tecidos moles. A idade dos pacientes variou de 11 a 15 anos, com média de 12,85 anos. No pré-operatório, a abdução do quadril variou de -30° a 20°, com média de 1,78°, e o nexo, de 10° a 40°, com média de 21,07°. No pós-operatório, a abdução do quadril variou de 0° a 40°, com média de 20,71°, e o nexo, de 10° a 30°, com média de 16,07°. Na avaliação final, que foi realizada de oito meses a 67 meses, com média de 22,85 meses, todos os pacientes haviam melhorado de seus sintomas dolorosos, apresentavam arco de movimento mais livre, que permitia melhor cuidado perineal, e estavam aptos a sentar-se em cadeiras modificadas. Conclui-se que essa é uma técnica que, quando bem indicada e executada, pode trazer melhoras funcionais importantes para pacientes com paralisia cerebral e luxação dolorosa do quadril não tratada até a adolescência.