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PURPOSE: Trochlear dysplasia is one of the main risk factors for recurrent patellar dislocation. The Dejour classification identifies four categories that can be used to classify trochlear dysplasia. The purpose of this study is to evaluate the inter- and intraobserver reliability of the Dejour classification for trochlear dysplasia. The hypothesis was that both intra- and interobserver reliability would be at least moderate. METHODS: This is a cross-sectional, reliability study. Twenty-eight examiners from the International Patellofemoral Study Group 2022 meeting evaluated lateral radiographs of the knee and axial magnetic resonance images from 15 cases of patellofemoral instability with trochlear dysplasia. They classified each case according to Dejour's classification for trochlear dysplasia (A-D). There were three rounds: one with only computed radiograph (CR), one with only magnetic resonance imaging (MRI) and one with both. Inter- and intraobserver reliability were calculated using κ coefficient (0-1). RESULTS: The mean age of patients was: 14.6 years; 60% were female and 53% had open physis. The interobserver reliability κ probabilities were 0.2 (CR), 0.13 (MRI) and 0.12 (CR and MRI). The intraobserver reliability κ probabilities were 0.45 (CR), 0.44 (MRI) and 0.65 (CR and MRI). CONCLUSION: The Dejour classification for trochlear dysplasia has slight interobserver reliability and substantial intraobserver reliability. LEVEL OF EVIDENCE: Level I.
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Imageamento por Ressonância Magnética , Variações Dependentes do Observador , Articulação Patelofemoral , Humanos , Estudos Transversais , Feminino , Reprodutibilidade dos Testes , Adolescente , Masculino , Articulação Patelofemoral/diagnóstico por imagem , Articulação Patelofemoral/patologia , Luxação Patelar/diagnóstico por imagem , Luxação Patelar/classificação , Instabilidade Articular/classificação , Instabilidade Articular/diagnóstico por imagem , Tomografia Computadorizada por Raios X , Fêmur/diagnóstico por imagem , Fêmur/patologia , CriançaRESUMO
PURPOSE: To evaluate the inter-observer and inter-method reliability for patellar height measurements between conventional radiographs (CR) and magnetic resonance imaging (MRI) using one or two slices. METHODS: This was a reliability study, with 60 patients divided in two groups: 30 patients with patellar instability (patella group) and 30 patients with anterior cruciate ligament or meniscus injury (control group). CR and MRI were evaluated by two independent observers. Insall-Salvati index (IS) and Caton-Deschamps index (CD) were measured using three different methods: CR, one-slice MRI or two-slice MRI. Intra-class correlation coefficients (ICC) were calculated for inter-observer reliability and inter-method reliability. Bland-Altman agreement was also calculated. RESULTS: The inter-observer reliability was very good for the IS with ICCs of 0.93, 0.84 and 0.82, for the CR, one-slice MRI and two-slice MRI, respectively. Similarly, for the CD the ICCs were good, 0.76, 0.80 and 0.75 for the CR, one-slice MRI and two-slice MRI, respectively. No differences were found between the patella and the control group. The inter-method analysis results were: ICCs for IS (0.83, 0.86, 0.93) and CD (0.72, 0.82, 0.83), for the comparisons of CR/one-slice MR, CR/two-slice MRI and one-slice MRI/two-slice MRI, respectively. The Bland-Altman mean differences showed an 8% and a 7% increase on IS values with one-slice MRI and two-slice MRI compared to CR results, while the increase was of 9% and 1% in CD for the respective comparisons with CR. CONCLUSION: MRI can overestimate patellar height compared to CR, as much as an 8% increase in Insall-Salvati values when using one- or two-slice MRI measurements, and up to a 9% increase in Caton-Deschamps value when using the one-slice MRI method. It is recommended to use the CR as the preferred method when measuring patellar height. LEVEL OF EVIDENCE: III.
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Instabilidade Articular , Articulação Patelofemoral , Humanos , Instabilidade Articular/diagnóstico por imagem , Instabilidade Articular/patologia , Imageamento por Ressonância Magnética , Patela/diagnóstico por imagem , Patela/patologia , Reprodutibilidade dos TestesRESUMO
The orthopaedic surgeon who performs opening-wedge high tibial osteotomy (HTO) has to be aware of the behavior of the tibial slope depending on variations in the location of the hinge and in the inclination of the osteotomy. The most important point is that changing both the inclination and the rotation axis of the osteotomy cut affects the tibial slope. There is a natural trend to unintentionally increase the tibial slope when performing an opening-wedge HTO. However, an increased tibial slope has been established as a risk factor for both primary and recurrent anterior cruciate ligament (ACL) injuries, whereas slope-reducing osteotomies decrease anterior tibial translation and protect the ACL graft. To reduce tibial slope in opening-wedge HTO, it seems more practical to internally rotate the osteotomy, establishing an anterolateral hinge, than to change the inclination of the cut, given that it seems more predictable and technically easier to perform internal rotation during surgery. Trying to achieve both internal rotation and extension increases the complexity of the osteotomy. Not every osteotomy needs to have an anterolateral hinge; in fact, decreasing the tibial slope would be a disadvantage in the posterior cruciate ligament-deficient knee. However, for the ACL-deficient knee with varus malalignment, aiming to decrease the tibial slope using an anterolateral hinge could be considered during preoperative planning.
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Reconstrução do Ligamento Cruzado Anterior , Ligamento Cruzado Anterior , Ligamento Cruzado Anterior/cirurgia , Fenômenos Biomecânicos , Cadáver , Humanos , Articulação do Joelho/cirurgia , Osteotomia , Rotação , Tíbia/cirurgiaRESUMO
PURPOSE: A four-column classification system offers a different way of evaluating tibial plateau fractures. The aim of this study is to compare the intra-observer and inter-observer reliability between four-column and classic classifications. METHODS: This is a reliability study, which included patients presenting with tibial plateau fractures between January 2013 and September 2015 in a level-1 trauma centre. Four orthopaedic surgeons blindly classified each fracture according to four different classifications: AO, Schatzker, Duparc and four-column. Kappa, intra-observer and inter-observer concordance were calculated for the reliability analysis. RESULTS: Forty-nine patients were included. The mean age was 39 ± 14.2 years, with no gender predominance (men: 51%; women: 49%), and 67% of the fractures included at least one of the posterior columns. The intra-observer and inter-observer concordance were calculated for each classification: four-column (84%/79%), Schatzker (60%/71%), AO (50%/59%) and Duparc (48%/58%), with a statistically significant difference among them (p = 0.001/p = 0.003). Kappa coefficient for intr-aobserver and inter-observer evaluations: Schatzker 0.48/0.39, four-column 0.61/0.34, Duparc 0.37/0.23, and AO 0.34/0.11. CONCLUSIONS: The proposed four-column classification showed the highest intra and inter-observer agreement. When taking into account the agreement that occurs by chance, Schatzker classification showed the highest inter-observer kappa, but again the four-column had the highest intra-observer kappa value. The proposed classification is a more inclusive classification for the posteromedial and posterolateral fractures. We suggest, therefore, that it be used in addition to one of the classic classifications in order to better understand the fracture pattern, as it allows more attention to be paid to the posterior columns, it improves the surgical planning and allows the surgical approach to be chosen more accurately.
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Fraturas Intra-Articulares/classificação , Fraturas da Tíbia/classificação , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Variações Dependentes do Observador , Reprodutibilidade dos Testes , Tomografia Computadorizada por Raios X/métodos , Centros de Traumatologia , Adulto JovemRESUMO
IMPORTANCE: A reliable evaluation of anterolateral rotatory instability in the anterior cruciate ligament (ACL) deficient knee is important to help surgeons determine which patients might need concurrent anterolateral augmentation procedures. OBJECTIVE: The purpose of this study was to systematically review studies that assess the intra-observer and inter-observer reliability of instruments used to measure anterolateral rotatory laxity of the knee. EVIDENCE REVIEW: A comprehensive literature review was conducted according to the 2020 Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement, using PubMed, Embase, Scopus, and Google Scholar databases for original, English-language studies evaluating the reliability of objective or instrument-based anterolateral rotatory laxity of the knee until October 31, 2022. Reliability data were extracted from text, tables, and figures. FINDINGS: Twelve studies, with patients between the ages of 14-63 years, were included. The instruments used to measure anterolateral rotatory knee laxity included inertial sensors (n â= â9), magnetic resonance imaging (n â= â1), and navigation systems (n â= â2). The global intra-observer intraclass correlation coefficient for these devices was between 0.63 and 0.97, and the global inter-observer reliability was between 0.63 and 0.99. CONCLUSION AND RELEVANCE: Instrument-based anterolateral rotatory knee laxity assessment has moderate to good intra- and inter-observer reliability. Evaluating anterolateral instability in ACL-deficient knees with these devices could help in decision-making when considering anterolateral augmentation. LEVEL OF EVIDENCE: IV.
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Lesões do Ligamento Cruzado Anterior , Instabilidade Articular , Humanos , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Lesões do Ligamento Cruzado Anterior/diagnóstico , Lesões do Ligamento Cruzado Anterior/cirurgia , Reprodutibilidade dos Testes , Instabilidade Articular/diagnóstico , Instabilidade Articular/cirurgia , Articulação do Joelho/cirurgia , Ligamento Cruzado Anterior/cirurgiaRESUMO
Patellofemoral instability is usually initially treated non-operatively. Surgery is considered in patients with recurrent patellar dislocation and after a first-time patellar dislocation in the presence of either an associated osteochondral fracture or high risk of recurrence. Stratifying the risk of recurrence includes evaluating risk factors such as age, trochlear dysplasia, contralateral dislocation, and patellar height. Surgery with soft tissue procedures includes restoring the medial patellar restraints and balancing the lateral side of the joint. Reconstruction of the medial patellofemoral ligament is the most frequent way of addressing the medial soft tissues in patients with patellofemoral instability. Meanwhile, lateral tightness can be achieved by lateral retinaculum lengthening or release. Approaching patellofemoral instability in a patient-specific approach, combined with a shared decision-making process with the patient/family, will guide surgeons to the deliver optimal care for the patellar instability patient.
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African swine fever (ASF) is a contagious disease of wild boar and domestic pigs notifiable to the World Organisation for Animal Health due to its high socio-economic impact. ASF is caused by the complex ASF virus (ASFV), and it can present different clinical manifestations that can be confused with other diseases; for this reason, laboratory testing is necessary for the proper diagnosis of clinically suspected animals. Despite the efforts put into it over decades, no treatment or safe vaccine is globally available, and disease control is based on early diagnosis and the implementation of strict biosecurity measures. In this context, rapid tests have the potential to accelerate and facilitate the identification of infected animals by giving fast on-site results. In this work, we improved the available point-of-care assays for the diagnosis of the disease by the development of a more specific antigen test and a more sensitive antibody test. This antibody detection test allowed for the earlier detection of infected animals than two commercial indirect ELISAs (statistically significant). Moreover, we developed a combined dual rapid test, unifying, in the same cassette, an antigen detection strip and an antibody detection strip. In this study, we confirmed that this combo approach is a useful tool for implementing rapid tests in the field since it increases the percentage of positive samples detected, even when PCR turns negative, while maintaining a good specificity.
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This classic discusses the original publication of Dohan Eherenfest et al. on "Classification of platelet concentrates: from pure platelet-rich plasma (P-PRP) to leucocyte- and platelet-rich fibrin (L-PRF)", in which the authors propose four categories of platelet concentrates depending on their leucocyte and fibrin content (P-PRP, leucocyte- and platelet-rich plasma (L-PRP), pure platelet-rich fibrin (P-PRF), and L-PRF) to group a "jungle" of products in which the term platelet-rich plasma (PRP) was used indistinctly. They were able to identify common factors such as: (1) the use of anticoagulants and immediate centrifugation of the blood after its collection; (2) most preparation techniques allowed platelet concentrate preparation within an hour; (3) the centrifugation aimed to separate the blood in layers that would allow the extraction of specific fractions; and (4) the product was activated with thrombin or calcium chloride. The reviewed manuscript has been listed among the most cited PRP articles in regenerative medicine, with more than 800 citations, driving current scientific research and clinical practise by categorising L-PRP and P-PRP (now, leucocyte-poor PRP). The classification has also opened the door to understanding intrinsic biological mechanisms between platelets, leukocytes, fibrin, and growth factors, which will later be considered for studying the proliferation and differentiation of cells in different tissues affected by PRP. Since the initial classification of platelet concentrates, several other classification systems have been proposed and published in the current literature such as platelet, activation, white blood cell (PAW), Mishra, platelet, leucocyte, red blood cells, and activation (PLRA), dose of platelet, efficiency, purity, and activation (DEPA), method, activation, red blood cells, spin, platelets, image guidance, leukocytes, and light activation (MARSPILL), etc. These classifications have identified important aspects of PRP that affect the biological composition and, ultimately, the indications and outcomes. To date, there is still a lack of standardisation in sample preparation, cohort heterogeneity, and incomplete reporting of sample preparation utilised, leading to a lack of clarity and challenging researchers and clinicians.
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Fibrina Rica em Plaquetas , Plasma Rico em Plaquetas , Humanos , Fibrina Rica em Plaquetas/metabolismo , Plasma Rico em Plaquetas/metabolismo , Leucócitos/metabolismo , Plaquetas/metabolismo , Fibrina/metabolismoRESUMO
African swine fever (ASF) is a viral disease of swine with a huge impact due to its high mortality. Lately, the disease has actively spread around the world, affecting new areas from which it had been eradicated long ago. To date, ASF control is carried out by the implementation of strict biosecurity measures such as the early identification of infected animals. In this work, two fluorescent rapid tests were developed to improve the sensitivity of point-of-care diagnosis of ASF. For antigen (Ag) detection in blood, a double-antibody sandwich fluorescent lateral flow assay (LFA) was developed, employing a newly developed recombinant antibody to the VP72 of the virus. To complement the diagnosis, a double-recognition fluorescent LFA was developed using the VP72 for the detection of specific antibodies (Ab) in sera or blood. Both assays statistically improved the detection of the disease when compared to the commercial colorimetric assays INgezim® ASFV CROM Ag and INgezim® PPA CROM Anticuerpo, respectively, with higher statistical significance between 11 and 39 days post-infection. From the observation of results, it can be concluded that the combination of both Ag-LFA and Ab-LFA assays would facilitate the identification of infected animals, regardless of post-infection time.
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The lateral patellofemoral joint soft tissues contain key structures that surround and balance the joint. These structures can affect joint tracking, stability, and force distribution. It is important to understand the lateral patellofemoral anatomy and biomechanics, and their relationship with patellofemoral instability, anterior knee pain, and osteoarthritis. Lateral-sided surgical procedures such as lateral release, lateral retinacular lengthening, and partial lateral patellar facetectomy can be useful in the treatment of such patellofemoral problems.
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Artroplastia do Joelho , Articulação Patelofemoral , Artroplastia do Joelho/métodos , Fenômenos Biomecânicos , Articulação do Joelho/cirurgia , Patela/cirurgia , Articulação Patelofemoral/cirurgiaRESUMO
OBJECTIVE: The aim of this study was to translate to Spanish the patellofemoral pain and osteoarthritis subscale of the knee injury and osteoarthritis outcome score (KOOS-PF) and validate this Spanish version of a disease-specific patient-reported outcome measure (PROM) for patellofemoral pain. RESULTS: The KOOS-PF was translated to Spanish and sixty patients with patellofemoral pain and/or osteoarthritis accepted to complete the questionnaire. 1-week later 58 patients answered the questions again for the test-retest reliability validation and finally 55 patients completed 1-month later for the responsiveness assessment. The Spanish version showed very good internal consistency (Cronbach's alpha: 0.93) and test-retest reliability (intraclass correlation coefficient: 0.82). Responsiveness was confirmed, showing a strong correlation with the global rating of change (GROC) score (r 0.64). The minimal detectable change was 11.1 points, the minimal important change was 17.2 points, and there were no floor or ceiling effects for the score.
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Osteoartrite do Joelho , Síndrome da Dor Patelofemoral , Comparação Transcultural , Humanos , Osteoartrite do Joelho/diagnóstico , Psicometria , Qualidade de Vida , Reprodutibilidade dos Testes , Inquéritos e Questionários , TraduçõesRESUMO
BACKGROUND: Anterior knee pain has been associated with sports activity, especially long-distance running and endurance sports. It is important to determine the incidence of anterior knee pain (AKP) in runners after a half-marathon race and identify possible risk factors associated. METHODS: Cross-sectional study where runners from a half marathon race were randomly invited to participate. Participants were recruited at the race kit pickup site the day before the race. Eligible participants completed a survey regarding demographic information, running experience and training details. An orthopedic surgeon performed a physical examination and recorded the medical history. At the finish line, the participants were evaluated again for possible new injuries. RESULTS: A total of 205 runners were included in the study, with a 98.5% follow-up rate (n = 203). 24% of runners had an injury at the end of the race (n = 49). Anterior knee pain was the most frequent injury (n = 12), followed by iliotibial band syndrome (n = 10), muscle cramps (n = 7) and hamstring tears (n = 4). Anterior knee pain had a statistically significant association with insufficient stretching of the hamstrings (p = 0.048) and finishing the race in more than 2 h (p = 0.014). CONCLUSIONS: Anterior knee pain was the most frequent new injury in the half-marathon runners after the competition. Spending more than 2 h to finish the race and stretching the hamstrings by less than 70° in the supine position were risk factors for anterior knee pain.
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BACKGROUND: Lateral patellar dislocation can become a recurrent problem after the first episode. Identifying those patients who are at increased risk of redislocation is important for the treatment decision-making process. PURPOSE: To identify clinical and radiologic risk factors for recurrence of patellar dislocation after a first episode. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: The study included patients with lateral patellar dislocation and a 1-year minimum follow-up who were seen between 2011 and 2018. Patients aged 10 to 65 years were included. Patient characteristics, physical examination (patellar apprehension, J sign), and radiographs were reviewed. The Caton-Deschamps and Insall-Salvati ratios were used to evaluate patella alta. High-grade trochlear dysplasia was defined as Dejour types B, C, and D. RESULTS: A total of 130 patients (139 knees) with primary lateral patellar dislocation were included. Recurrent dislocation was seen in 83 knees (59.71%). Stepwise logistic regression analysis demonstrated that Caton-Deschamps ratio ≥1.15 (OR, 2.39; 95% CI, 1.09-5.22; P = .029), age <21 years (OR, 2.53; 95% CI, 1.11-5.77; P = .027), and high-grade trochlear dysplasia (OR, 4.17; 95% CI, 1.90-9.17; P < .001) were significantly associated with patellar redislocation. Based on the presence of these factors, the probability of dislocation after a first lateral patellar dislocation was 31.2% with no factors present, 36.6% with any 1 factor present, 71.7% with any 2 factors present, and 86.2% if all 3 conditions were present. CONCLUSION: The results of this study indicated that patella alta, high-grade trochlear dysplasia, and age <21 years were independent risk factors for patellar redislocation after a first episode, with an additive effect when they were present together. This may help to guide the type of treatment for these patients.
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OBJECTIVE: this study aims to evaluate the relationship between body mass index (BMI), age at which knee joint arthroplasty is performed and complications. The hypothesis is that the higher the BMI, the greater likelihood that the patient will require surgery at an earlier age.Methods: this is a cohort study with all patients who underwent a primary knee arthroplasty, between August 2013 and February 2019, in a tertiary level university hospital. Association between BMI, age and complications were analyzed. Quality of life of patients was also evaluated with the Oxford Knee Score (OKS). RESULTS: 565 primary total knee replacements (TKR) were performed. A cut-off point was found in BMI of 30; 348 patients had a BMI ≤30 and 173 patients had a BMI >30. When comparing the two groups, a statistically significant difference (p = 0.0186) was found in the age at which the TKR was performed. There was a significant improvement for both groups in functional score (Oxford knee score). Additionally, intra and post-operative complications showed no statistically significant difference. CONCLUSION: patients with BMI greater than 30 required primary knee arthroplasty at a younger age (average: 3.5 years), compared to patients with a lower BMI. Obesity does not appear to confer and independent risk for surgery in the short and mid-term. Knee arthroplasty improves significantly quality of life in the short and mid-term, regardless of their BMI, as measured with the OKS.
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Anterior cruciate ligament (ACL) reconstruction with hamstring tendons has gained popularity in the past and is the most used type of graft in several national registries. It usually involves the harvest of both gracilis and semitendinosus tendons from the ipsilateral knee. More recently, the use of only 1 of the tendons (semitendinosus) in a tripled or quadrupled arrangement has been described, especially in an all-inside type of reconstruction. Having a thicker tendon with a quadrupled semitendinosus (ST), instead of double gracilis and ST enables to a have a graft with enough diameter to resemble more closely the native ACL and decreases the risk of graft rerupture. This Technical Note aims to present a way of reconstructing the ACL using a quadrupled ST graft, with suspensory cortical button in femur and interference screw in tibia, as an alternative to the all-inside technique.
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BACKGROUND: Dysnatremia has been associated with sports activity, especially long-distance running and endurance sports. High fluid intake is associated with hyponatremia. This study aims to evaluate dysnatremia and risk factors in half-marathon runners under warm and humid environmental conditions. METHODS: A cross-sectional study was performed among randomly selected runners in the 2017 Cali half marathon. Runners on diuretic therapy or with a known history of kidney disease were excluded. Participants went through a 2-day assessment. Previous medical history, training history, body mass index and running history were determined in the first assessment. Symptoms of dysnatremia and level of fluid consumption during the race were registered during the second assessment and post-run blood sampling for serum [Na+] was also undertaken. RESULTS: 130 runners were included in the study. The complete 2-day assessment was performed on 81 participants (62%) that were included in the final analysis. No cases of hyponatremia were found; instead, there were six cases of asymptomatic hypernatremia (7.4%). This hypernatremia had a statistically significant association with lower frequency (p=0.01) and volume of fluid intake during the race (water: p=0.02, Gatorade: p=0.04). CONCLUSION: Hyponatremia has been associated with high fluid intake in races performed under cool weather, such as the Boston Marathon during spring. In contrast, hypernatremia was found in a half marathon in warm and humid weather, which was associated with lower volume and frequency of fluid intake, suggesting that under warm and humid conditions, a median fluid intake of 900 mL during the race could prevent this event.
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We all remember the headlines a few years ago in non-medical magazines, newscasts and newspapers, announcing the discovery of a ligament; and that it is not every day that a new ligament is discovered in the knee. However, this is how the anterolateral ligament initially became popular and also triggered an explosion of research and publications about its anatomy, appearance in magnetic resonance, biomechanics and techniques for its construction. Two topics have been of particular interest. The first, is about the existence of said ligament. With publications in both directions, a group has been formed that defends its existence, and likewise, who considers that more than a ligament what there is is a set of anterolateral structures that are responsible for said function1,2. In my concept is a futile discussion. In reality, the fundamental thing is to understand the role of the anterolateral structures When should they be rebuilt and why should they be done?
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Introduction Patellofemoral pain syndrome (PFPS) is one of the leading causes of knee pain, manifesting itself during daily life activities. This study presents a review on PFPS treatment modalities. Materials and methods State of the art review on the treatment of PFPS with grades of recommendation. Active and passive conservative interventions are reviewed, as well as surgical alternatives. Results Hip and lower-limb muscle strengthening and stretching are active interventions that provide long-lasting benefits. Passive interventions include patellofemoral joint bracing, kinesiotaping and foot orthoses, and are considered useful coadjuvants to active interventions, with quick relief for patients but usually in the short term. Surgical treatment is only recommended in a small subset of patients with specific anatomic abnormalities in the patellofemoral joint. Discussion Conservative treatment remains as the mainstream in the management of patellofemoral pain syndrome.
Introducción El síndrome de dolor patelofemoral (SDPF) es una de las principales causas de dolor de rodilla y se presenta con actividades diarias de la vida cotidiana. Este estudio presenta una revisión de la literatura acerca de las modalidades de tratamiento actual para el SDPF. Materiales y métodos Revisión estado del arte acerca del tratamiento del SDPF con grados de recomendación según la evidencia. Se revisan las intervenciones conservadoras activas y pasivas, así mismo las alternativas quirúrgicas. Resultados El fortalecimiento de los músculos de la cadera y del miembro inferior, así como el estiramiento, son intervenciones activas que ofrecen beneficios en el largo plazo para el SDPF. Las intervenciones pasivas como las rodilleras, el kinesiotaping y las ortesis para los pies, ofrecen alivio rápido pero de corta duración. El tratamiento quirúrgico solamente se recomienda en un subgrupo de pacientes que no han respondido a otros tratamientos y que tienen ciertas anormalidades anatómicas específicas que alteran la articulación patelofemoral. Discusión El tratamiento conservador continúa siendo la piedra angular en el tratamiento del síndrome de dolor patelofemoral
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Humanos , Síndrome da Dor Patelofemoral , Artroscopia , Modalidades de Fisioterapia , Órtoses do PéRESUMO
BACKGROUND: Hip and knee arthroplasty aims to restore the joint function and to improve health-related quality of life (HRQoL) in patients with articular damage. It is important to quantify the HRQoL improvement and when this is achieved. The Oxford knee score and the Oxford hip score were developed to evaluate patients after knee and hip arthroplasty. We sought to evaluate HRQoL changes in the short and mid term following either primary or revision hip and knee arthroplasty. METHODS: Prospective cohort study during a 20-month period (August 2013 to March 2015) in a tertiary referral hospital. Primary arthroplasties secondary to osteoarthritis and any-cause revisions were included (328, 160 knees, and 88 hips). They were divided into 4 groups: (1) primary knee replacement, (2) primary hip replacement, (3) revision knee replacement, and (4) revision hip replacement. Oxford knee and hip scores were obtained prior the surgery and compared with the short- and mid-term follow-up scores. RESULTS: Follow-up in the short term and mid term was: 75.6% and 67.4%, respectively. Improvement was found in both short-term and mid-term follow-up for each group and for the overall group in HRQoL as measured by the Oxford knee and hip scores (P < .001). The greatest improvement was seen in the short term with an increase of 21 points for primary knee arthroplasty; 24 points for primary hip arthroplasty; 22 points for revision knee arthroplasty; and 23 points for revision hip arthroplasty. CONCLUSIONS: Improvement in HRQoL in patients following primary or revision hip or knee arthroplasty is crucial and can be achieved early after the surgery.