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Introduction: The results of primary total knee replacement (TKR) using hinge implants performed in the Indian population with post-polio residual paresis (PPRP) are unknown. The purpose of this study was to report the outcome of primary rotating hinge TKR in Indian patients with PPRP at a minimum follow-up of 12 months. Materials and Methods: We retrospectively reviewed the clinical and radiological records of six patients treated with primary rotating hinge TKR. Pre-and post-operative (at final follow-up) knee range of motion (ROM), knee sagittal deformity, knee society score (KSS), and Oxford knee score (OKS) were compared to determine improvement in function. Results: Six rotating hinge TKRs (five female and one male patient) were analyzed for this study. At a mean follow-up of 27 ± 22 months (range, 12-71 months), the mean pre-operative KSS of 50.6 ± 2.5 significantly improved (P < 0.0001) to 72.5 ± 1.6, and the mean pre-operative OKS of 23.6 ± 1.6 significantly improved (P < 0.0001) to 35.3 ± 1.7. The mean pre-operative knee ROM of 94° ± 10° changed to 92° ± 4° (P = 0.64) and the mean pre-operative sagittal deformity of 7° ± 23.5° changed to -3° ± 2.5° (P = 0.32) at final follow-up. None of the knees had any intra- or post-operative complications or showed radiologic evidence of post-operative loosening, subsidence, or periprosthetic radiolucent lines at the final follow-up. Conclusion: Rotating hinge TKR gave excellent clinical and radiological results at a mean follow-up of 27 months in the present study. Despite TKR being a technically challenging procedure in patients with poliomyelitis-affected limbs, a rotating hinge design, along with meticulous surgical technique, can significantly improve function in such patients.
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Several finite element (FE) studies reported performances of various lumbar fusion surgical approaches. However, comparative studies on the performance of Open Laminectomy plus Posterolateral Fusion (OL-PLF) and Open Laminectomy plus Transforaminal Interbody Fusion (OL-TLIF) surgical approaches are rare. In the current FE study, the variation in ranges of motions (ROM), stress-strain distributions in an implanted functional spinal unit (FSU) and caudal adjacent soft structures between OL-PLF and OL-TLIF virtual models were investigated. The implanted lumbar spine FE models were developed from subject-specific computed tomography images of an intact spine and solved for physiological loadings such as compression, flexion, extension and lateral bending. Reductions in the ROMs of L1-L5 (49 % to 59 %) and L3-L4 implanted FSUs (91 % to 96 %) were observed for both models. Under all the loading cases, the maximum von Mises strain observed in the implanted segment of both models exceeds the mean compressive yield strain for the vertebra. The maximum von Mises stress and strain observed on the caudal adjacent soft structures of both the implanted models are at least 22 % higher than the natural spine model. The findings indicate the risk of failure in the implanted FSUs and higher chances of adjacent segment degeneration for both models.
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Análise de Elementos Finitos , Laminectomia , Vértebras Lombares , Fusão Vertebral , Vértebras Lombares/cirurgia , Vértebras Lombares/diagnóstico por imagem , Humanos , Estresse Mecânico , Fenômenos Biomecânicos , Amplitude de Movimento Articular , Masculino , Próteses e ImplantesRESUMO
BACKGROUND: Although many studies have investigated the physical and ergonomic risks of spine pain in specific occupation groups, the literature is lacking on occupation-based clinical and psychological presentation in patients with spine pain. OBJECTIVE: To analyze occupation-based variation in demographic, clinical, and psychological presentation in patients with spine pain. METHODS: This retrospective study analyzed the clinical data of 71727 patients with spine pain visiting a chain of spine rehabilitation clinics. Demographic and clinical variables such as gender, age, affected site, symptom duration, clinical symptoms and presentation, pain intensity, disability, and STarT Back Screening Tool (SBT) risk were compared between 9 occupational groups. RESULTS: The service and sales workers (44%) and students (43.5%) groups had the highest percentage of patients who presented with central spine pain; military personnel had the highest percentage of patients who presented with unilateral radicular pain (51.5%); and the retired or unemployed group had the highest percentage of patients who presented with severe myotomal loss (grade≤3) (6%). Homemakers had significantly higher pain intensity and disability (pâ<â0.001) and had the highest percentage of patients who presented with severe pain (47%), severe and crippled disability (59.5%), and medium to high risk (59%) with SBT when compared to other occupational groups. CONCLUSION: Patients with spine pain showed variation in demographic, clinical, and psychological presentation based on their occupation. The findings of this study can be the basis for identifying risk factors for spine pain and helping plan preventive and treatment measures based on their occupation.
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Dor nas Costas , Humanos , Masculino , Feminino , Estudos Retrospectivos , Índia/epidemiologia , Adulto , Pessoa de Meia-Idade , Dor nas Costas/psicologia , Dor nas Costas/epidemiologia , Ocupações/estatística & dados numéricos , Medição da Dor/métodosRESUMO
Introduction: Pyoderma gangrenosum (PG) following a primary total knee arthroplasty (TKA) surgery is extremely rare, with very few cases reported in the literature. Case Report: We report our clinical experience of a 65-year-old female who developed PG following a primary TKA surgery. Corticosteroids and local wound care with vacuum-assisted closure dressing helped achieve rapid improvement in the wound condition. Conclusion: Post-surgical PG in TKA can be challenging with limited evidence for its definitive treatment. A high degree of suspicion and a multidisciplinary management approach will help in the timely diagnosis and optimization of treatment for this condition.
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PURPOSE: This study aimed to report changes in sexual activity and related difficulties and concerns among Indian patients at the end of 1-year after primary total hip arthroplasty (THA). MATERIALS AND METHODS: A detailed questionnaire related to sexual difficulty, frequency, position, satisfaction, stress, and concerns pre- and postoperatively was administered through an in-person interview at 1-year post-THA. RESULTS: Preoperatively, 77% of patients reported difficulties in sexual activities, which reduced significantly (p < 0.0001) to 30% at the end of 1-year post-operatively. A majority of patients reported no change in the frequency (56.5%) or satisfaction with their sexual activity (54%), and moderate to severe stress (53%) related to sexual activity at 1 year postoperatively. A significantly higher percentage (p = 0.01) of female patients (63%) reported changing their coital position postoperatively due to difficulty in leg positioning when compared to male patients (37.5%). Most patients (69%) were not able to procure information on sexual activity after THA surgery. and only 17.5% of patients discussed the topic with their surgeon. CONCLUSION: Although THA significantly reduced difficulty in sexual activity, most patients reported no change in the frequency of sexual activity or sexual satisfaction, had moderate to severe stress regarding sex, and were primarily concerned about safety of coital position and fear of dislocation at the end of 1-year postoperatively. Pre- and postoperative counselling by their surgeons will provide the patient with relevant information and help reduce anxiety and stress, improve satisfaction, and enhance the overall sexual health of the patient undergoing primary THA.
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Artroplastia de Quadril , Comportamento Sexual , Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Índia , Idoso , Satisfação do Paciente , Inquéritos e Questionários , Adulto , Disfunções Sexuais Fisiológicas/etiologia , Estresse Psicológico/etiologia , Coito/psicologia , Período Pós-OperatórioRESUMO
Objective To determine the correlation between posttreatment trunk range of motion (ROM) and isometric strength (TIS) and pain and disability in patients who underwent multimodal rehabilitation for low back pain (LBP). Methods In this prospective cohort study, 122 patients undergoing multimodal rehabilitation for LBP were analyzed. The pre- and posttreatment numerical pain rating scale (NPRS) and the Oswestry disability index (ODI) scores, as well as trunk ROM and TIS were compared. The Pearson correlation was used to determine correlation between posttreatment clinical outcomes and ROM and TIS. Results At the end of treatment, the mean NPRS ( p < 0.0001) and ODI ( p < 0.0001) scores, mean trunk extension ( p < 0.0001), and flexion ( p < 0.0001) ROMs improved significantly. Similarly, posttreatment, the mean extension ( p < 0.0001) and flexion ( p < 0.0001) TISs improved significantly. There was a weak correlation between the NPRS score and ROM extension (r = -0.24, p = 0.006) and flexion strength (r = -0.28, p = 0.001), as well as between the ODI score and TIS extension (r = -0.30, p = 0.0007) and flexion (r = -0.28, p = 0.001). Conclusion Despite significant improvement in pain, disability, trunk ROM, and TIS with multimodal treatment, there was a weak correlation between posttreatment pain and function and trunk ROM and TIS. Improvement in pain and function with physical rehabilitation treatment for LBP is a complex phenomenon and needs further investigation.
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Abstract Objective To determine the correlation between posttreatment trunk range of motion (ROM) and isometric strength (TIS) and pain and disability in patients who underwent multimodal rehabilitation for low back pain (LBP). Methods In this prospective cohort study, 122 patients undergoing multimodal rehabilitation for LBP were analyzed. The pre- and posttreatment numerical pain rating scale (NPRS) and the Oswestry disability index (ODI) scores, as well as trunk ROM and TIS were compared. The Pearson correlation was used to determine correlation between posttreatment clinical outcomes and ROM and TIS. Results At the end of treatment, the mean NPRS (p< 0.0001) and ODI (p< 0.0001) scores, mean trunk extension (p< 0.0001), and flexion (p< 0.0001) ROMs improved significantly. Similarly, posttreatment, the mean extension (p< 0.0001) and flexion (p< 0.0001) TISs improved significantly. There was a weak correlation between the NPRS score and ROM extension (r = -0.24, p= 0.006) and flexion strength (r = -0.28, p= 0.001), as well as between the ODI score and TIS extension (r = -0.30, p= 0.0007) and flexion (r = -0.28, p= 0.001). Conclusion Despite significant improvement in pain, disability, trunk ROM, and TIS with multimodal treatment, there was a weak correlation between posttreatment pain and function and trunk ROM and TIS. Improvement in pain and function with physical rehabilitation treatment for LBP is a complex phenomenon and needs further investigation.
Resumo Objetivo Determinar a correlação entre a amplitude de movimento (ADM) do tronco pós-tratamento e a força isométrica do tronco (FIT) e a dor e a incapacidade em pacientes submetidos à reabilitação multimodal para dor lombar (DL). Métodos Neste estudo de coorte prospectiva, 122 pacientes submetidos à reabilitação multimodal para DL foram analisados. Foram comparados os escores de escala numérica de dor pré- e pós-tratamento (END) e do índice de incapacidade Oswestry (Oswestry disability index - ODI), a ADM do tronco e a FIT. A correlação de Pearson foi utilizada para determinar a correlação entre desfechos clínicos e a ADM e a FIT pós-tratamento. Resultados Ao final do tratamento, as médias de ADM (p< 0,0001) e ODI (p< 0,0001), as ADMs médias de extensão (p< 0,0001) e a flexão (p< 0,0001) do tronco melhoraram significativamente. Da mesma forma, a FIT pós-tratamento, as FITs médias de extensão (p< 0,0001) e flexão (p< 0,0001) melhoraram significativamente. Houve uma correlação fraca entre o escore do END e a ADM de extensão (r = -0,24, p= 0,006) e força de flexão (r = -0,28, p= 0,001) pós-tratamento, assim como entre o escore de ODI e FIT de extensão (r = -0,30, p= 0,0007) e flexão (r = -0,28, p= 0,001) pós-tratamento. Conclusão Apesar da melhora significativa da dor, capacidade, ADM do tronco e FIT com tratamento multimodal, houve uma fraca correlação entre dor pós-tratamento e função e ADM e FIT de tronco. A melhora da dor e da função com o tratamento de reabilitação física para DL é um fenômeno complexo e precisa de uma investigação mais aprofundada.
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Humanos , Doenças da Coluna Vertebral/terapia , Resultado do Tratamento , Dor Lombar/reabilitação , Dor Lombar/terapia , Terapia Combinada , Força MuscularRESUMO
Anterior Cervical Discectomy and Fusion (ACDF) is the most popular and effective procedure for patients with intervertebral disc degeneration, where the degenerated disc is replaced with an interbody implant (widely known as cage). The design of the cage plays a vital role since it has to provide stability for the anterior cervical column without any side-effects. We designed a novel S-type dynamic cage for C4-C5 level, using Polyetheretherketone (PEEK) material considering four different shapes namely: square, circle, rectangle and elliptical, for the central window to occupy bone graft. The major design constrain for a successful cage is minimized cage stress, in order to avoid subsidence. Finite Element (FE) analysis results revealed that the cage stress values obtained during the physiological motion varied depending upon the shape of the central window provided for bone graft. The objective of this study is to optimize the central window shape using the Teaching Learning Based Optimization (TLBO) algorithm. It was found that square and elliptical shape bone graft cavity resulted in better outcomes. Additional experimental study was also conducted with a six-axis spine simulator. Based on the optimization results, we manufactured two PEEK cage models with square and elliptical shaped central window using additive manufacturing. A prototype model of the C4-C5 level made of Polyvinylchloride (PVC) was used for experiment due to the existing constraints for using a cadaveric model. The experimental results were cross-verified using FE analysis. Thus, we would like to conclude that square and elliptical shape of the central window were the better design factor for our novel dynamic cage.
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Disco Intervertebral , Fusão Vertebral , Humanos , Análise de Elementos Finitos , Polímeros , Benzofenonas , Polietilenoglicóis , Cetonas , Vértebras Cervicais/cirurgia , Fusão Vertebral/métodos , Fenômenos BiomecânicosRESUMO
PURPOSE: The outcomes of the constrained condylar knee (CCK) implant used during primary total knee arthroplasty (TKA) in knees with severe varus in patients from low- and middle-income countries (LMICs) such as Iraq are not known. Hence, this study aimed to analyze and report the functional outcome of CCK TKA in patients with severe varus deformities at the end of 5 years in Iraqi patients. METHODS: In this prospective study, pre- and post-operative (at the end of 5 years) clinical outcome using Knee Society Score (KSS) and radiological deformity using hip-knee-ankle (HKA) angle was analyzed in 76 CCK TKAs (20 bilateral and 36 unilateral TKAs) performed in 56 patients with severe varus deformity (> 15°). RESULTS: At a mean follow-up of 60.3 months (range 60-68 months), the mean preoperative KSS knee score of 6.6 ± 4.5 improved significantly (p < 0.0001) to 87.2 ± 6.6 and the mean preoperative KSS function score of 7.1 ± 6.4 improved significantly (p < 0.0001) to 70.4 ± 7.8. The function score was good to excellent in 64.3% (36 patients), fair in 28.5% (16 patients), and poor in 7.1% (4 patients) at the end of 5 years. The mean preoperative HKA angle significantly improved (p < 0.001) from 25.5° ± 6° varus (range 17°-37°) to 3° ± 2.5° varus (range 0°-7.5°) at final follow-up. CONCLUSION: The CCK implant significantly improved pain and function in patients with severe varus deformity at the end of 5 years. The CCK implant is a good option during primary TKA in severe varus knees in patients from LMICs and can help achieve clinical outcomes similar to patients from high-income countries.
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Artroplastia do Joelho , Prótese do Joelho , Osteoartrite do Joelho , Humanos , Artroplastia do Joelho/efeitos adversos , Seguimentos , Estudos Prospectivos , Iraque , Osteoartrite do Joelho/complicações , Osteoartrite do Joelho/diagnóstico por imagem , Osteoartrite do Joelho/cirurgia , Articulação do Joelho/diagnóstico por imagem , Articulação do Joelho/cirurgia , Estudos RetrospectivosRESUMO
BACKGROUND: Surgery is often prescribed to patients with significant reduction in standing time (ST) and walking time (WT) due to degenerative lumbar spondylolisthesis (DLS). The efficacy of a multimodal physical rehabilitation protocol (MPRP) in improving ST and WT in patients with DLS is not known. OBJECTIVE: To investigate the effect of MPRP on ST and WT in patients with DLS and compare the results with similar patients treated with other physiotherapy treatment (OPT) methods. METHODS: Outcomes including numerical pain rating scale (NPRS) and Oswestry disability index (ODI) scores, ST and WT were compared in patients in the MPRP and OPT groups. RESULTS: Data from 25 patients in MPRP group and 10 patients in OPT group were analyzed. In the MPRP group, the mean NPRS and ODI scores, ST, and WT improved significantly (p < .0001) after MPRP at a mean follow-up of 328 days. The mean NPRS score was significantly lower (p = .0001); mean ST (p = .03), and mean WT (p = .03) were significantly higher; and the mean NPRS improvement (p < .0001), mean ST improvement (p = .001), and mean WT improvement (p = .008) were significantly higher in MPRP group when compared to the OPT group at final follow-up. CONCLUSION: Patients with low-grade DLS showed significant improvement in ST and WT after MPRP when compared to similar patients who underwent other physiotherapy treatments. These encouraging results indicate that MPRP can be utilized as a primary treatment option in patients with significantly reduced ST and WT due to DLS.
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Fusão Vertebral , Espondilolistese , Humanos , Espondilolistese/etiologia , Espondilolistese/cirurgia , Resultado do Tratamento , Projetos Piloto , Vértebras Lombares , Fusão Vertebral/efeitos adversos , Fusão Vertebral/métodos , Caminhada , Estudos RetrospectivosRESUMO
Aim: This survey of spine surgeons aimed to determine the prevalence of neck pain and identify the associated risk factors. The prevalence of neck pain has been reported in various medical sub-specialities including laparoscopy surgeons, dentists, plastic surgeons, ophthalmologist, urologist and orthopaedic surgeons. However, the literature is lacking on prevalence and risk factors for neck pain in spine surgeons. Methods: A survey questionnaire containing demographic, Neck pain and work practice details was administered to 300 spine surgeons (members of an online group) via text message and e-mail. Results: One hundred and eighty surgeons responded to the survey (response rate, 60%). Three spine surgeons had previous cervical spine surgeries. The 1-month prevalence rate of neck pain was 74.4% (134/180 surgeons). One hundred and eighteen surgeons (88%) reported only neck pain, 16 surgeons (11.9%) had neck pain with radicular arm pain. Only 20.5% of surgeons used a loupe, 18% of surgeons used a microscope, and 24% of surgeons used operating table height at umbilicus during surgery. There was no significant difference between the mean age (p = 0.65), work experience (p = 0.8), time spent in surgery (p = 0.7), and operating table height preference (p = 0.4) when symptomatic and asymptomatic groups were compared. However, a significantly greater percentage of surgeons had a sedentary lifestyle (p = 0.002) & used loupes as compared to microscopes (p = 0.04) in the symptomatic group. There was significant correlation between the surgeon's lifestyle & use of loupe and the incidence of neck pain. Conclusion: Spine surgeons have a higher prevalence of neck pain than general populations and surgeons from other specialties. Considering the high prevalence of neck pain, general health, work, and ergonomic guidelines and recommendations must be formulated to help prevent and decrease the burden of neck pain among spine surgeons.
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BACKGROUND: Although many studies have investigated the prevalence of low back pain (LBP) among Indian subjects, no meta-analysis has been conducted to determine the comprehensive epidemiological point, annual, lifetime prevalence of LBP among Indian subjects. OBJECTIVE: The purpose of this systematic review and meta-analysis was to investigate the point, annual, and lifetime prevalence of LBP in the Indian population. METHODS: We searched PubMed, Embase, Science Direct, and Cochrane Library databases for relevant studies that reported point, annual, or lifetime prevalence of LBP among Indian subjects. Pooled point, annual and lifetime prevalence rates were calculated. Meta-analysis, subgroup analysis, sensitivity analysis and publication bias assessment were performed. RESULTS: Ninety-seven studies were included in this review. Fifty-four studies included in the review (55.5%) were found to be of higher methodological quality. The pooled point, annual, and lifetime prevalence of LBP in India was 48% (95% CI 40-56%); 51% (95% CI 45-58%), and 66% (95% CI 56-75%), respectively. The pooled prevalence rates were highest among females, the rural population, and among elementary workers. CONCLUSION: The point, annual, and lifetime prevalence rates of LBP in the Indian population is higher compared to global and other ethnic populations affecting a large proportion of the population, especially among women, rural population and in elementary workers. The findings of this study can be the basis for formulating policy regarding the prevention and treatment of LBP in a large part of the global population.
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Dor Lombar , Feminino , Humanos , Dor Lombar/epidemiologia , Prevalência , Índia/epidemiologia , População Rural , Bases de Dados FactuaisRESUMO
PURPOSE: Despite increased usage of telemedicine to deliver treatment during the coronavirus disease 2019 (COVID-19) pandemic, the efficacy of telerehabilitation for spine pain is unknown. This study aimed to investigate the effect of telerehabilitation on pain and disability in patients with spine pain treated during the COVID-19 pandemic and compare the results to in-clinic rehabilitation. MATERIALS & METHODS: In this propensity score-matched analysis, 428 patients with spine pain who underwent telerehabilitation during the 6 months of COVID-19 pandemic lockdown and 428 patients who underwent in-clinic multimodal rehabilitation treatment during the 6-month period prior to lockdown were compared. Propensity score matching was done based on gender, age, pre-treatment pain, and disability. Post-treatment numerical pain rating scale (NPRS), Oswestry or Neck disability index (ODI or NDI), and minimal clinical important difference (MCID) achieved for NPRS and ODI/NDI scores were compared between the 2 groups. RESULTS: Post-treatment, the mean NPRS (mean difference - 1, p < 0.0001) and ODI/NDI (mean difference - 5.8, p < 0.0001) scores, were significantly lower in the telerehabilitation group when compared to control group. Similarly, the percentage of patients who achieved MCID of ≥ 2 for NPRS (mean difference - 6%, p = 0.0007) and MCID of ≥ 10 for ODI/NDI (mean difference - 7.5%, p = 0.005) scores were significantly higher in the telerehabilitation group. CONCLUSIONS: Telerehabilitation achieved significant reduction in pain and disability among patients with spine pain, better than in-clinic rehabilitation. These encouraging results during the COVID-19 pandemic indicate the need to further explore and test the efficacy and wider application of telerehabilitation for treating spine pain.IMPLICATIONS FOR REHABILITATIONTelerehabilitation can help achieve significant reduction in pain and disability among patients with spine pain.These encouraging results indicate the need to further explore a wider application of telerehabilitation for treating patients with spine pain during non-pandemic times.
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Background: Dislocation after total hip arthroplasty (THA) partly under the surgeon's control, by appropriate placement of the components. We aimed in this study to determine the accuracy of using intra-operative smartphone applications (Apps) to place the acetabular cup within the safe abduction angle by less experienced surgeons during THA surgery when compared to the conventional freehand technique for cup placement. Methods: Sixty primary THAs were performed, 30 using the conventional freehand technique (control group) and 30 using the smartphone app technique (study group) to determine the acetabular cup abduction angle by the same young surgeon with less than one year of experience. Postoperative mean cup abduction angle, mean cup anteversion angle, and the percentage of cups within the safe abduction zone as measured on radiographs were compared between the two groups. Results: In the study group, the mean cup abduction angle was significantly lower (P=0.0008), and the acetabular cup was placed within the safe zone in a significantly higher (P<0.001) percentage of patients (93% vs 63%) when compared to the control group. However, there was no significant difference (P=0.40) between the two groups when the mean cup anteversion angle was compared. Conclusion: The smartphone app technique may help achieve an accurate acetabular cup abduction angle and a higher percentage of cups placed within the safe zone of abduction by a less experienced surgeon when compared to the conventional freehand technique. Using tools such as the smartphone app to measure the acetabular cup position can reduce intraoperative errors by young and less experienced surgeons during THA surgery.
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PURPOSE: To determine predictors of failure to achieve minimal clinical important difference (MCID) for pain and disability at discharge after mechanical diagnosis and therapy (MDT)-based multimodal rehabilitation for neck pain (NP). METHODS: Pre- and post-treatment numerical pain rating scale (NPRS) and neck disability index (NDI) in patients with mechanical NP were analysed in this retrospective study. Multivariate analysis was performed to investigate the effect of covariates such as age, gender, lifestyle, body mass index, presentation, diabetes, osteoporosis, response to repeated movement testing, treatment sessions, compliance rate, and pre-treatment NPRS and NDI scores on failure to achieve MCID of ≥ 30% for NPRS and NDI scores post-treatment. RESULTS: In the 4998 patients analysed for this study, 7% and 14.5% of patients failed to achieve MCID for NPRS and NDI scores, respectively, at the end of treatment. Age > 70 years, diabetes, osteoporosis, partial or non-response to repeated movements, lesser treatment sessions, and lower compliance rate were associated with increased risk for failure to achieve MCID for NPRS and NDI scores. A higher pre-treatment NDI score was associated with failure to achieve MCID for NPRS score, whereas lower pre-treatment NPRS and NDI scores were associated with failure to achieve MCID for NDI score. CONCLUSION: Although MDT-based multimodal rehabilitation helped to achieve significant reduction in pain and disability in mechanical NP, several baseline risk factors were associated with failure to achieve MCID for pain and disability after treatment. Identifying and modifying these factors as part of rehabilitation treatment may help to achieve better outcomes in mechanical NP.
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Cervicalgia , Osteoporose , Idoso , Avaliação da Deficiência , Humanos , Cervicalgia/reabilitação , Cervicalgia/terapia , Medição da Dor , Estudos Retrospectivos , Resultado do TratamentoRESUMO
PURPOSE: To determine normative reference values for trunk range of motion (ROM) and isometric strength (TIS) in asymptomatic young, Indian adults. METHODS: Age, gender, body mass index, lifestyle, and dynamometer-based device measurements of trunk ROM and TIS in extension (EXT), flexion (FLX), and rotation (ROT) were recorded and analysed in 80 asymptomatic subjects between 20 and 40 years of age. Correlation analysis was performed to determine factors influencing EXT and FLX ROM and TIS. RESULTS: The normative reference values for mean trunk EXT, FLX, right ROT, and left ROT ROM were 23° (95th percentile 31.9°), 40.2°(95th percentile 51.5°), 36.8°(95th percentile 57.7°), and 35.4° (95th percentile 55.7°), respectively; and for mean EXT, FLX, right ROT, and left ROT TIS were 118.1 Nm (95th percentile 278.8 Nm), 63.8 Nm (95th percentile 159.4 Nm), 39.9 Nm (95th percentile 113.6 Nm), and 42.8 Nm (95th percentile 108.9 Nm), respectively. The mean EXT (p = 0.0002), right (p = 0.02), and left ROT ROM (p = 0.01), and the mean EXT, FLX, and ROT TIS (p < 0.0001) were significantly greater in males compared to females. The FLX, EXT, and ROT TIS showed significant strong correlation with EXT and FLX TIS. Mean TIS values in Indian subjects were lower when compared to subjects from other countries. CONCLUSION: This study established normative reference values for trunk ROM and TIS in asymptomatic young Indian adults. These reference values can be helpful to diagnose trunk ROM and TIS deficits, identify subjects at risk for LBP and disability, and individualise rehabilitation treatment in them.
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Background: A combination of immune-mediated vascular damage and routine use of systemic corticosteroid (CS) therapy in COVID-19 may significantly increase the risk and burden of osteonecrosis (ON) after COVID-19. This narrative review explores the pathogenesis, risk factors, and possible preventive and early treatment measures for ON in COVID-19. Methods: For this narrative review, an extensive literature search was performed using the PubMed, Medline, and Science Direct databases from January 2000 to August 2021 for relevant articles on etiopathogenesis, epidemiology, clinical manifestations, and treatment of severe acute respiratory syndrome coronavirus (SARS-CoV) infection and steroid-induced ON (SION). Results: Pathogenesis of COVID-19, utility of corticosteroids in the treatment of COVID-19, pathogenesis of SION vis-a-vis SARS-CoV infection, associated risk factors, and early diagnosis and treatment of ON following CS therapy of SARS-CoV infection were discussed. Conclusion: Preliminary data of COVID-19 and similar trends from the SARS 2003 epidemic indicate that the "angiocentric" pathogenesis of SARS-CoV-2 and treatment with high-dose CS may increase the risk of ON in COVID-19 patients. Risk stratification based on CS intake during COVID-19 treatment can help identify subjects at moderate to high-risk for ON where early preventive and follow-up plans can be initiated.
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PURPOSE: In navigated TKA, the risk of notching is high if femoral component sagittal positioning is planned perpendicular to the sagittal mechanical axis of femur (SMX). We intended to determine if, by opting to place the femoral component perpendicular to distal femur anterior cortex axis (DCX), notching can be reduced in navigated TKA. METHODS: We studied 171 patients who underwent simultaneous bilateral computer-assisted TKA. Femoral component sagittal positioning was planned perpendicular to SMX in one knee (Femur Anterior Bowing Registration Disabled, i.e. FBRD group) and perpendicular to DCX in the opposite knee (Femur Anterior Bowing Registration Enabled, i.e. FBRE group). Incidence and depth of notching were recorded in both groups. For FBRE knees, distal anterior cortex angle (DCA), which is the angle between SMX and DCX, was calculated by the computer. RESULTS: Incidence and mean depth of notching was less (p = 0.0007 and 0.009) in FBRE versus FBRD group, i.e. 7% versus 19.9% and 0.98 mm versus 1.53 mm, respectively. Notching was very high (61.8%) in FBRD limbs when the anterior bowing was severe (DCA > 3°) in the contralateral (FBRE) limbs. CONCLUSION: Notching was less when femoral component sagittal positioning was planned perpendicular to DCX, in navigated TKA. LEVEL OF EVIDENCE: Therapeutic level II.
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STUDY DESIGN: Retrospective. OBJECTIVE: The aim of this study was to investigate the effect of body mass index (BMI) on pain and disability in patients with chronic mechanical low back pain (LBP) treated with multimodal rehabilitation. SUMMARY OF BACKGROUND DATA: Despite being a well-known risk factor for developing LBP, there is minimal data on the effect of BMI on pain and disability in patients with chronic mechanical low back pain (LBP) treated with multimodal rehabilitation. METHODS: Data from patients with chronic mechanical LBP who underwent multimodal rehabilitation treatment at a chain of spine rehabilitation outpatient clinics in one of the three BMI groups-1564 patients in normal body weight (BMI ≥18.5-24.9), 1990 patients in overweight (BMI ≥25-29.9), and 891 patients in obese (BMI ≥ 30) groups-were retrospectively analyzed. Pre- and post-treatment Numerical Pain Rating Scale (NPRS) and Oswestry Disability Index (ODI) scores, and final treatment outcomes were compared between the three groups. Multivariate analysis was used to determine the association between pre-treatment covariates and post-treatment clinical outcomes. RESULTS: Post-treatment, the mean NPRS (Pâ=â0.005) and mean ODI (Pâ<â0.001) scores were significantly higher with a significantly lower percentage of full success outcome (Pâ=â0.009) in the obese group when compared to normal and overweight groups. However, multivariate analysis showed a significant correlation between age, the number of treatment sessions, pre-treatment NPRS and ODI scores, and post-treatment NPRS and ODI scores and treatment failure, and no correlation with patient BMI. CONCLUSION: Patient BMI may not affect pain and disability outcomes in patients undergoing a multimodal rehabilitation treatment for chronic LBP. In contrast to BMI, other covariates such as age, treatment sessions, and pre-treatment NPRS and ODI scores may be associated with increased risk for poor treatment outcome. Obese individuals can expect clinical outcomes similar to normal or overweight individuals with multimodal physical rehabilitation for chronic LBP.Level of Evidence: 3.
Assuntos
Dor Lombar , Índice de Massa Corporal , Avaliação da Deficiência , Humanos , Dor Lombar/diagnóstico , Estudos Retrospectivos , Coluna Vertebral , Resultado do TratamentoRESUMO
BACKGROUND: Variations in cage design, material, and graft shape can affect osteointegration and adjacent segment range of motion (ROM) and stress after anterior cervical discectomy and fusion (ACDF) surgery. This study aimed to evaluate the biomechanical properties of a novel dynamic cervical cage design in both titanium (Ti) and polyether ether ketone (PEEK) with variations in bone graft shape using a single level ACDF (FE) model. METHODS: A 3-dimensional C3-C6 FE model was developed using computed tomography scan data from a healthy male subject. The novel S-shaped dynamic interbody fusion cage with a zero-profile fixation was inserted at the C4-C5 level with 4 different bone graft shapes (square, circular, rectangular, and elliptical). Changes in segmental ROM and maximum von Mises stresses at the fusion and adjacent segments were analyzed. RESULTS: Both Ti and PEEK cages showed decreased ROM at the fusion and adjacent levels for all shapes of bone graft when compared with the intact spine model. The elliptical graft, for both Ti and PEEK cages, showed a lower percentage of reduction in segmental ROM at the fusion and adjacent levels (0%-5.6%) when compared with other graft shapes (0%-12%). Maximum stresses at the fusion level were lowest in Ti cage with elliptical graft (229.8-347.6 MPa) when compared with other shapes (241.2-476.2 MPa) in flexion, extension, and lateral bending. For the bone graft, maximum stresses were highest on the elliptical-shaped bone graft in flexion and extension in the Ti cage, and in flexion and lateral bending in the PEEK cage. CONCLUSIONS: Both Ti and PEEK cages showed decreased ROM at the fusion and adjacent levels for all shapes of bone graft when compared with the intact spine model. In the Ti and PEEK dynamic cages, the elliptical shape bone graft showed decreased stress on the cage and increased stress on the bone graft. Further experimental and clinical studies are needed to confirm these encouraging biomechanical results of this novel dynamic, zero-profile fusion device with elliptical bone graft in ACDF surgery.