Impact of Scoliosis Severity on Functional Capacity in Patients With Adolescent Idiopathic Scoliosis.

PURPOSE: The aim of this study is to evaluate the walked distance and physiological responses during incremental shuttle walk test in patients with different degrees of adolescent idiopathic scoliosis (AIS). METHODS: We evaluated 20 healthy teenagers and 46 patients with AIS; they were divided into 2 groups: AIS > 45° and AIS < 45°. The volunteers performed an incremental shuttle walk test, and the following physiological responses were quantified: oxygen consumption, tidal volume, ventilation, and the incremental shuttle walked distance. Respiratory muscle strength was quantified, pulmonary function test was performed, and the forced vital capacity and expiratory volume in the first second were obtained. RESULTS: Patients with AIS > 45° presented significant reduced incremental shuttle walked distance compared with the AIS < 45° and control group [447 (85), 487 (95), and 603 (85), respectively]. Patients with AIS also showed reduced forced vital capacity (P = .001) and expiratory volume in the first second (P = .005) compared with control group. Moderate correlations between forced vital capacity (r = -.506) and tidal volume (r = -.476) with scoliosis angles were found. CONCLUSIONS: The incremental shuttle walk test was capable of identifying reduced functional capacity in patients with different degrees of AIS. Moreover, the severity of spinal curvature may exert influence on ventilatory and metabolic variables.

Lumbar Tubular Decompression: Barriers and Limitations Hampering the Technique's Dissemination Across Latin America.

OBJECTIVES: We sought to explore the barriers and limitations preventing the widespread use of tubular lumbar spine decompressions in Latin America. METHODS: A cross-sectional study was performed using a survey designed specifically by the authors. This survey was mailed to all spine surgeons who are members of AO Spine Latin America. Eighty-seven surgeons spanning 15 Latin American countries answered the survey. RESULTS: Thirty-one percent of participating surgeons claimed they needed to adapt their technique to perform minimally invasive tubular surgeries. Meanwhile, though 70.5% answered they do not consider tubular surgery expensive, 32.8% lacked access to standard equipment like a complete set of retractors or curved high-speed drill. CONCLUSIONS: Several barriers limit the development of tubular spine surgery in Latin America. The most important discrepancies between surgeons' preferred equipment and their availability for such operations are high-speed drills, bayoneted instruments, and hemostatic agents.

Comparison of complication rates between anterior versus posterior approaches for treating unstable Hangman's fracture. A systematic review and meta-analysis.

Study design: Systematic Review and Meta-analysis. Objective: To compare the complication rates associated with anterior and posterior approaches for the surgical treatment of unstable hangman's fractures. Methods: A systematic review and meta-analysis were performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines in PubMed, Web of Science, and Scopus databases to identify comparative studies reporting complications of anterior versus posterior approaches for the treatment of unstable hangman's fractures. Results: The search yielded 1163 papers from which 5 studies were fully included. One hundred fifteen (115) patients were operated on using an anterior approach versus 65 through a posterior approach. The average complication rates for the anterior and posterior approaches were 26.1 % and 13.8 %, respectively. No complications following the anterior approach required pharmacological or surgical intervention (Clavien-Dindo, Grade 1), while 88.9 % of complications following the posterior approach did (Clavien-Dindo, Grade 2). Conclusion: No significant differences in the complication rates were found when comparing anterior versus posterior surgery for treating a C2 traumatic spondylolisthesis. However, most of the complications presented in the posterior surgery group were more severe.

Imaging features of the postoperative spine: a guide to basic understanding of spine surgical procedures.

Spinal surgical procedures are becoming more common over the years, and imaging studies can be requested in the postoperative setting, such as a baseline study when implants are used, or when there is a new postoperative issue reported by the patient or even as routine surveillance. Therefore, it helps the surgeon in the appropriate management of cases. In this context, there is increasing importance of the radiologist in the adequate interpretation of postoperative images, as well as in the choice of the most appropriate modality for each case, especially among radiographs, computed tomography, magnetic resonance imaging and nuclear medicine. It is essential to be familiar with the main types of surgical techniques and imaging characteristics of each one, including the type and correct positioning of hardware involved, to differentiate normal and abnormal postoperative appearances. The purpose of this pictorial essay is to illustrate and discuss the more frequently used spine surgical interventions and their imaging characteristics, with an emphasis on classical decompression and fusion/stabilization procedures. KEY POINTS: Plain radiographs remain the main modality for baseline, dynamic evaluation, and follow-ups. CT is the method of choice for assessing bone fusion, hardware integrity and loosening. MRI should be used to evaluate bone marrow and soft tissue complications. Radiologists should be familiar with most performed spinal procedures in order to differentiate normal and abnormal. CRITICAL RELEVANCE STATEMENT: This article discusses the main surgical procedures involved in the spine, which can be didactically divided into decompression, stabilization-fusion, and miscellaneous, as well as the role of diagnostic imaging methods and their main findings in this context.

CORRELATION BETWEEN TYPES OF MINDSET AND QUALITY OF LIFE EVALUATION IN PATIENTS WITH SCOLIOSIS.

Scoliosis is a pathology with multiple etiologies that leads to aesthetic changes, increased morbidity and, especially, psychological damage. Objective: This work aims to compare two mindset types (fixed and growth) and assess levels of quality of life in individuals with scoliosis. Methods: Two questionnaires, Scoliosis Research Society-30 (SRS-30) and Early-Onset Scoliosis-24 Questionnaire (EOSQ-24), associated with the "Health Mindset Scale," were used. We applied the SRS-30 to patients who were independent or whose diagnosis of spinal deformity occurred after the age of 10 years. For patients diagnosed before the age of 10 or who presented dependence due to cognitive impairment, caregivers were subjected to the "Health Mindset Scale" and EOSQ-24 questionnaires. Results: The sample consisted of 35 patients aged from 4 to 46 years, the majority aged from 15 to 18 years old (42.9%), female (71.4%), and with neuromuscular scoliosis (28.6%). The only significant result (p = 0.060) was the increase in pain/discomfort scores in the EOSQ-24 for a patient with a growth mindset. Lastly, there was no statistical difference between groups, however, in patients with a growth mindset, there was a tendency (p = 0.060) to have a higher pain/discomfort score, assessed via the EOSQ-24 score, reported by the caregiver. Level of Evidence III, Retrospective Comparative Study.

A escoliose é uma patologia com múltiplas etiologias e que acarreta alterações estéticas, aumento de morbidade e principalmente danos psicológicos. Objetivo: Comparar dois tipos de mindset (fixo e construtivo) e o nível de qualidade de vida. Métodos: Foram utilizados dois questionários, o Scoliosis Research Society-30 (SRS-30) e o Early-Onset Scoliosis-24 Questionnaire (EOSQ-24), associados à escala Health Mindset Scale. Aplicamos o SRS-30 em pacientes independentes ou cujo diagnóstico de deformidade na coluna ocorreu após os 10 anos. Já no caso de pacientes com diagnóstico antes dos 10 anos ou que apresentassem dependência devido a dificuldades cognitivas, os cuidadores foram submetidos à Health Mindset Scale e ao EOSQ-24. Resultados: A amostra foi composta por 35 pacientes com idades entre 4 e 46 anos, sendo a maioria entre 15 e 18 anos (42,9%), do sexo feminino (71,4%) e com escoliose do tipo neuromuscular (28,6%). O único resultado com significância (p = 0,060) foi o aumento dos escores de dor/desconforto nos questionários EOSQ-24 em paciente com mindset de crescimento. Por fim, não houve diferença estatisticamente significante entre os grupos, porém, em pacientes com mindset construtivo, houve tendência (p = 0,060) de maior escore de dor/desconforto avaliado por meio do EOSQ-24 e referido pelo cuidador. Nível de Evidência III, Estudo Retrospectivo Comparativo.

Health-Related Predictive Factors of Brazilian Children With Early Onset Scoliosis Using the EOSQ-24 and CHQ-PF50 Questionnaires.

BACKGROUND: Assessing the quality of life (QOL) of children with early onset scoliosis (EOS) has been discussed recently. Therefore, the study aimed to apply and correlate the 24-item Early Onset Scoliosis Questionnaire (EOSQ-24) with the 50-item Childhood Health Questionnaire (CHQ-PF50) to find predictive factors impacting QOL. METHODS: Cross-sectional study involving a population of caregivers of patients with EOS. The sample consisted of 72 patients. Two research assistants applied the Portuguese version of the EOSQ-24 and CHQ-PF50 in 3 treatment centers. The EOSQ-24 assesses the subjective response of children with EOS from the parent's point of view. The CHQ is a self-administered questionnaire or parental proxy assessment of the psychological and social status of children aged 5 to 18 years. RESULTS: Of 72 patients, 41 (56.9%) were females, mean age of 11.9 ± 4.2 years. The most common scoliosis was of neuromuscular origin (32%). The CHQ-PF50 showed that family-related items had significant scores. The most affected subcategory was physical function (45.5), and the least affected was mental health (90.8). Thus, the CHQ-PF50 PhS summary index was 27, and the CHQ-PF50 PsS was 71.7. Moreover, the critical categories for the EOSQ-24 questionnaire were daily life and physical function (45.1 and 47.8, respectively), and the least affected categories were transfer and pulmonary function (70.8 and 68.9, respectively). Four subcategories showed a strong correlation between both questionnaires: general health (r = 0.749, P < 0.001), physical function (r = 0.645, P < 0.001), bodily pain (r = 0.714, P < 0.001), and mental health (r = 0.424, P < 0.001). Using CHQ-PF50 as a dependent variable in multiple regression analysis (P = 0.028), the only variable affecting the scores was syndromic scoliosis (P = 0.019; 95% CI -27.4 to -2.5). CONCLUSION: A strong correlation between both questionnaires was seen for general health, physical function, bodily pain, and mental health. Syndromic scoliosis was a predictor of worse QOL according to the CHQ-PF50.

Minimally invasive swine spine surgery training: technical aspects, benefits, and anatomical limitations.

OBJECTIVE: To describe the technical specificities and feasibility of simulation of minimally invasive spine surgery in live pigs, as well as similarities and differences in comparison to surgery in humans. METHODS: A total of 22 Large White class swine models, weighing between 60 and 80kg, were submitted to surgical simulations, performed during theoretical-practical courses for training surgical techniques (microsurgical and endoscopic lumbar decompression; percutaneous pedicular instrumentation; lateral access to the thoracic spine, and anterior and retroperitoneal to the lumbar spine, and management of complications) by 86 spine surgeons. For each surgical technique, porcine anatomy (similarities and differences in relation to human anatomy), access route, and dimensions of the instruments and implants used were evaluated. Thus, the authors describe the feasibility of each operative simulation, as well as suggestions to optimize training. Study results are descriptive, with figures and drawings. RESULTS: Neural decompression surgeries (microsurgeries and endoscopic) and pedicular instrumentation presented higher similarities to surgery on humans. On the other hand, intradiscal procedures had limitations due to the narrow disc space in swines. We were able to simulate situations of surgical trauma in surgical complication scenarios, such as cerebrospinal fluid fistulas and excessive bleeding, with comparable realism to surgery on humans. CONCLUSION: A porcine model for simulation of minimally invasive spinal surgical techniques had similarities with surgery on humans, and is therefore feasible for surgeon training.

20 Tips to Avoid and Handle Problems in the Placement of Percutaneous Pedicle Screws.

BACKGROUND: Two-dimensional fluoroscopy-guided percutaneous pedicle screw placement is currently the most widely applied instrumentation for minimally invasive treatment of spinal injuries requiring stabilization. Although this technique has advantages over open instrumentation, it also presents new challenges and specific complications. The objective of this study was to provide recommendations developed from the experience of several spinal surgeons at different minimally invasive spine surgery reference centers to solve specific problems and prevent complications during the learning curve of this technique. METHODS: An AO Spine Latin America minimally invasive spine surgery study group analyzed the most frequent complications and challenges occurring during the placement of >14,000 two-dimensional fluoroscopy-guided percutaneous pedicle screws at different centers over 15 years. Twenty tips considered most relevant to performing this technique, excluding problems directly related to specific brands of instruments, were presented. RESULTS: The 20 tips included the following: (1) positioning; (2) clean and painless; (3) fewer x-rays; (4) check the clock; (5) beveled tip; (6) transverse-rib-pedicle; (7) double Jamshidi; (8) hammer the Kirschner wire; (9) bent tip; (10) too loose, too tight; (11) new trajectory; (12) manual control; (13) start over; (14) Kirschner wire first; (15) adhesive drape control; (16) bend the rod; (17) lower rods; (18) freehand inner; (19) posterior fusion; (20) revision. CONCLUSIONS: Implementation of these tips might improve performance of this technique and reduce the complications related to percutaneous pedicle screw placement.

Neurosurgery versus orthopedic surgery: Who has better access to minimally invasive spinal technology?

BACKGROUND: Our aim was to evaluate differences in neurosurgeons versus orthopedists access to technologies needed to perform minimally invasive spine surgeries (MISS) in Latin America. METHODS: We sent a survey to members of AO Spine Latin America (January 2020), and assessed the following variables; nationality, level of hospital (primary, secondary, and tertiary), number of spinal operations performed per year, spinal pathologies addressed, the number of minimally invasive spine operations performed/year, and differences in access to MISS spinal technology between neurosurgeons and orthopedists. RESULTS: Responses were returned from 306 (25.6) members of AO Spine Latin America representing 20 different countries; 57.8% of respondents were orthopedic surgeons and 42.4% had over 10 years of experience. Although both specialties reported a lack of access to most of the technologies, the main difference between the two was greater utilization/access of neurosurgeons to operating microscope (e.g., 84% of the neurosurgeons vs. 39% of orthopedic spine surgeons). CONCLUSION: Although both specialties have limited access to MISS spinal technologies, orthopedic spine surgeons reported significantly lower access to operating microscopes versus neurosurgeons (P < 0.01).

A systematic review of randomised clinical trials using posterior discectomy to treat lumbar disc herniations.

The focus of this study was to examine the safety and effectiveness of three different discectomy techniques using a posterior approach for the treatment of herniated lumbar discs. There are only a small number of prospective randomised studies comparing posterior lumbar discectomy techniques, and no recent systematic review has been published on this matter. Using the Cochrane Collaboration guidelines, all randomised or "quasi-randomised" clinical trials, comparing classic, microsurgical, and endoscopic lumbar discectomies using a posterior approach were systematically reviewed. No statistically significant differences were found between these techniques regarding improvement in pain, sensory deficits, motor strength, reflexes, and patient satisfaction. Current data suggest that the microsurgical and endoscopic techniques are superior to the classic technique for the treatment of single level lumbar disc herniations with respect to volume of blood loss, systemic repercussions, and duration of hospital stay. All three surgical techniques were found to be effective for the treatment of single level lumbar disc herniations in patients without degenerative vertebral deformities. No conclusions could be drawn from the clinical randomised studies reviewed regarding the safety of the three techniques studied due to insufficient data on postoperative complications.

PHOTOGRAMMETRY: A PROPOSAL OF OBJECTIVE ASSESSMENT OF CHEST WALL IN ADOLESCENT IDIOPATHIC SCOLIOSIS.

OBJECTIVE: To evaluate the chest wall shape in patients with adolescent idiopathic scoliosis (AIS) in comparison to healthy subjects and the association between the chest wall shape with the spine deformity and lung function in patients with AIS. METHODS: This cross-sectional study enrolled 30 AIS patients and 20 healthy subjects aged 11-18 years old. The Cobb angle evaluation was performed in AIS patients. The chest wall shape was assessed by the photogrammetry method, using the Postural Assessment Software (PAS). We created thoracic markers shaped as angles (A) and distances (D), as follows: A2 (right acromion/xiphoid/left acromion), A4L (angle formed between the outer point of the smallest waist circumference and its upper and lower edges on the left side), A7 (angle formed by the intersection of the tangent segments of the upper and lower scapulae angles), D1R/D1L [distance between the xiphoid process and the last false rib on the right (R) and left (L) sides], and D3 (distance between xiphoid process and anterior superior iliac spine). RESULTS: The thoracic markers A2 and A7 were significantly higher, while the A4L and D1R/D1L were significantly reduced in the AIS group compared to the control. Moderate correlations were found between: A2 and the main and proximal thoracic Cobb angles (r=0.50, r=0.47, respectively); D1R/D1L and the main thoracic Cobb angle (r=- 0.40); and the forced expiratory volume in the first second (FEV1) and D3R (r=0.47). CONCLUSIONS: The photogrammetry method was able to detect chest wall changes in AIS patients, besides presenting correlation between Cobb angles and lung function.

Prognostic factors in low back pain individuals undergoing steroid and anaesthetic intra-articular facet joint infiltration: a protocol for a prospective, longitudinal, cohort study.

INTRODUCTION: Lumbar pain of facet origin is a common problem worldwide. For those patients not responding to traditional treatment, one approach may be intra-articular infiltration of corticoid and anaesthetic. However, despite the increasing demand for this procedure, no consensus exists regarding its therapeutic value. The selection of eligible participants may be a determining factor since only those with an inflammatory process will benefit from the use of corticosteroids. This study aims to identify differences in disability, pain and quality of life scores in individuals with and without facet joint inflammation who were diagnosed using MRI. METHOD AND ANALYSIS: This prospective cohort will include individuals older than 18 years with a clinical diagnosis of facet syndrome who underwent intra-articular infiltration. Changes in scores of pain, disability and quality of life questionnaires at 1, 3, 6 and 12 months of follow-up compared with baseline will be analysed. An MRI examination performed before infiltration will help to distinguish between exposed (with inflammation) and non-exposed (non-inflammation) groups with facet syndrome. The primary outcome will be the disability questionnaire (Roland Morris), and the secondary outcomes will be the score questionnaires for pain (Visual Analogue Scale), quality of life (EuroQol Quality of Life Questionnaire) and disability (Oswestry). ETHICS AND DISSEMINATION: The Internal Review Board approved this study, which started only after the approval number (5291417.0.0000.0071) was received. All recruited participants will receive a verbal explanation about the purpose of the study, and their decision to participate will be free and voluntary. All participants enrolled in the study will provide a signed informed consent form including confidentiality terms. The results obtained in this study will be presented at national and international conferences and published in peer-reviewed scientific journals to disseminate the knowledge. TRIALS REGISTRATION NUMBER: NCT03304730; Pre-results.

Correlation between types of mindset and quality of life evaluation in patients with scoliosis / Correlação entre os tipos de mentalidade e avaliação da qualidade de vida em pacientes com escoliose

ABSTRACT Scoliosis is a pathology with multiple etiologies that leads to aesthetic changes, increased morbidity and, especially, psychological damage. Objective: This work aims to compare two mindset types (fixed and growth) and assess levels of quality of life in individuals with scoliosis. Methods: Two questionnaires, Scoliosis Research Society-30 (SRS-30) and Early-Onset Scoliosis-24 Questionnaire (EOSQ-24), associated with the "Health Mindset Scale," were used. We applied the SRS-30 to patients who were independent or whose diagnosis of spinal deformity occurred after the age of 10 years. For patients diagnosed before the age of 10 or who presented dependence due to cognitive impairment, caregivers were subjected to the "Health Mindset Scale" and EOSQ-24 questionnaires. Results: The sample consisted of 35 patients aged from 4 to 46 years, the majority aged from 15 to 18 years old (42.9%), female (71.4%), and with neuromuscular scoliosis (28.6%). The only significant result (p = 0.060) was the increase in pain/discomfort scores in the EOSQ-24 for a patient with a growth mindset. Lastly, there was no statistical difference between groups, however, in patients with a growth mindset, there was a tendency (p = 0.060) to have a higher pain/discomfort score, assessed via the EOSQ-24 score, reported by the caregiver. Level of Evidence III, Retrospective Comparative Study.

RESUMO A escoliose é uma patologia com múltiplas etiologias e que acarreta alterações estéticas, aumento de morbidade e principalmente danos psicológicos. Objetivo: Comparar dois tipos de mindset (fixo e construtivo) e o nível de qualidade de vida. Métodos: Foram utilizados dois questionários, o Scoliosis Research Society-30 (SRS-30) e o Early-Onset Scoliosis-24 Questionnaire (EOSQ-24), associados à escala Health Mindset Scale. Aplicamos o SRS-30 em pacientes independentes ou cujo diagnóstico de deformidade na coluna ocorreu após os 10 anos. Já no caso de pacientes com diagnóstico antes dos 10 anos ou que apresentassem dependência devido a dificuldades cognitivas, os cuidadores foram submetidos à Health Mindset Scale e ao EOSQ-24. Resultados: A amostra foi composta por 35 pacientes com idades entre 4 e 46 anos, sendo a maioria entre 15 e 18 anos (42,9%), do sexo feminino (71,4%) e com escoliose do tipo neuromuscular (28,6%). O único resultado com significância (p = 0,060) foi o aumento dos escores de dor/desconforto nos questionários EOSQ-24 em paciente com mindset de crescimento. Por fim, não houve diferença estatisticamente significante entre os grupos, porém, em pacientes com mindset construtivo, houve tendência (p = 0,060) de maior escore de dor/desconforto avaliado por meio do EOSQ-24 e referido pelo cuidador. Nível de Evidência III, Estudo Retrospectivo Comparativo.

Study on pediatric scoliosis patients at hospital santa casa de misericórdia in são paulo / Estudo sobre pacientes com escoliose pediátrica no hospital santa casa de misericórdia de são paulo / Estudio sobre pacientes pediátricos con escoliosis en el hospital santa casa de misericórdia de são paulo

ABSTRACT: Objective: To carry out registration of patients with scoliosis under 18 years old, followed in a quarternary hospital of high complexity, who need surgical treatment, aiming to identify the reasons for the delay in treatment. Methods: Data collection was carried out in person and by spontaneous demand at the spinal orthopedic specialty outpatient clinic in a tertiary hospital of high complexity from January 2021 to December 2022. The results were compiled in the networked database (Red Cap®). Result: 59 patients were evaluated, 45 female (77.9%) and 14 male (22.1%), with a mean age of 13.7 years. Etiology: 30 idiopathic (50.8%), eight syndromic (13.5%), 11 neuromuscular (18.6%), and ten congenital (16.9%). Of the total, 46 (77.9%) were awaiting surgery and 13 (22.1%) were undergoing conservative treatment. The main causes of treatment delay: unavailability of intraoperative neurophysiological monitoring (19 - 41.3%); unavailability of specific surgical material (16 - 34.8%); difficulty of referral to our institution (6 - 13.1%); loss to follow-up (3 - 6.5%) and limitation in casting making (2 - 4.3%). The mean time between diagnosis and the first consultation is 17.25 months (0 - 140). The average surgical wait until December/2022 was 38.4 months (1 - 156). Conclusion: There is a lack of assistance in the steps of monitoring and treatment in the public health system, from directing the patient with scoliosis to the specialized center to performing the surgical procedure, mainly due to limitations in the use of intraoperative neurophysiological monitoring and the unavailability of specific materials to perform highly complex surgeries. Therapeutic Studies - Investigating the Results of Treatment.

RESUMO: Objetivo: Descrever a epidemiologia de pacientes, menores de 18 anos, com escoliose que aguardam cirurgia em hospital quaternário de alta complexidade e observar os motivos que acarretam atrasos no tratamento. Métodos: Coleta de dados presencial e espontaneamente no ambulatório de ortopedia da coluna vertebral num hospital de alta complexidade, de janeiro de 2021 a dezembro de 2022. Os resultados foram compilados no banco de dados (Red Cap®). Resultados: Foram avaliados 59 pacientes, 45 mulheres (77,9%) e 14 homens (22,1%), com média etária de 13,7 anos. Etiologia: 30 idiopáticas (50,8%), 8 sindrômicas (13,5%), 11 neuromusculares (18,6%) e 10 congênitas (16,9%). Do total, 46 (77,9%) aguardam cirurgia e 13 (22,1%) estavam em tratamento conservador. As principais causas de atraso do tratamento cirúrgico foram: indisponibilidade de monitoração neurofisiológica intraoperatória (19 - 41,3%); indisponibilidade de implantes para escoliose (16 - 34,8%); dificuldade no referenciamento para instituição (6 - 13,1%); perda de seguimento (3 - 6,5%) e limitação na confecção de colete (2 - 4,3%). Tempo médio entre diagnóstico e primeiro atendimento de 17,25 meses (0 - 140). A média de espera cirúrgica até dezembro/2022 era 38,4 meses (1 - 156). Conclusão: Há carência assistencial nas etapas do acompanhamento e no tratamento no Sistema Único de Saúde, desde o direcionamento do paciente com escoliose ao centro especializado até a realização do procedimento cirúrgico, sobretudo devido à limitação na utilização de monitoração neurofisiológica intraoperatória e indisponibilidade de materiais específicos para realização de cirurgias de alta complexidade. Estudos terapêuticos - Investigação dos resultados do tratamento.

RESUMEN: Objetivo: Describir la epidemiología de los pacientes menores de 18 años con escoliosis en un hospital cuaternario de alta complejidad y observar los motivos que llevan a retrasos en el tratamiento. Métodos: Recolección de datos presencial y espontánea en el ambulatorio de ortopedia de columna, de enero 2021 a diciembre 2022. Los resultados fueron recopilados en la base de datos (Red Cap®). Resultado: Se evaluaron 59 pacientes, 45 mujeres (77,9%) y 14 hombres (22,1%), con una edad promedio de 13,7 años. Etiología: 30 idiopáticas (50,8%), 8 sindrómicas (13,5%), 11 neuromusculares (18,6%) y 10 congénitas (16,9%). Del total, 46 (77,9%) estaban pendientes de cirugía y 13 (22,1%) estaban en tratamiento conservador. Las principales causas de retraso en el tratamiento quirúrgico fueron: indisponibilidad de monitorización neurofisiológica intraoperatoria (19 - 41,3%); indisponibilidad de implantes para escoliosis (16 - 34,8%); dificultad para hacer referencia a la institución (6 - 13,1%); pérdida de seguimiento (3 - 6,5%) y limitación en la confección de un chaleco (2 - 4,3%). Tiempo promedio diagnóstico y primera atención de 17,25 meses (0 - 140). Espera quirúrgica promedio: hasta diciembre/2022 fue de 38,4 meses (1 - 156). Conclusión: Existe falta de asistencia en las etapas de seguimiento y tratamiento en el Sistema Único de Salud, desde la dirección del paciente con escoliosis al centro especializado hasta la realización del procedimiento quirúrgico, debido principalmente a la limitación en el uso de instrumentos neurofisiológicos intraoperatorios. Estudios terapéuticos - Investigación de los resultados del tratamiento.

Predictors for Postoperative Shoulder Balance in Lenke 1 Adolescent Idiopathic Scoliosis: A Prospective Cohort Study.

STUDY DESIGN: Prospective cohort. OBJECTIVES: To determine the predictors of the shoulder balance after main thoracic (MT) fusion in patients with Lenke 1 adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Imbalanced shoulders are a major cause of dissatisfaction in AIS patients. In Lenke 1 curves, MT curve fusion is supposed to lead to spontaneous correction of the proximal thoracic (PT) curve and thereby promote shoulder balance. However, this is not always observed. METHODS: Fifty-two Lenke 1 AIS patients who underwent MT fusion by a posterior approach were prospectively evaluated preoperatively, immediately postoperatively and two years after the surgical procedure. The shoulder balance was determined using the biacromial angle. The clinical results were examined for their correlation with several radiographic measurements. RESULTS: Spontaneous correction of the PT Cobb angle after MT fusion was noted in 52% of cases, similar to that observed on preoperative bending films. A total of 51% of patients had unbalanced shoulders before surgery (right side higher). Two years after surgery, 30.77% showed unbalanced shoulders (p < .001). However, 17.1% of patients presented with a higher left shoulder, a reversion of the initial deformity. This phenomenon was more common among the patients with mild or no shoulder asymmetry (biacromial angle inferior to 1°) before surgery (p < .001). It was also determined that for each degree measured for the clavicle angle, there was an elevation of 0.14° for the ipsilateral shoulder. CONCLUSIONS: In Lenke 1 cases with higher right shoulder and absence of abnormalities in the sagittal plane view, the correction of the main right thoracic curve could be enough to balance the shoulders. No correlation was found between shoulder balance and the amount of correction of the PT and MT curves.

Assessment of a Learning Strategy among Spine Surgeons.

STUDY DESIGN: Pilot test, observational study. OBJECTIVE: To evaluate objectively the knowledge transfer provided by theoretical and practical activities during AOSpine courses for spine surgeons. METHODS: During two AOSpine principles courses, 62 participants underwent precourse assessment, which consisted of questions about their professional experience, preferences regarding adolescent idiopathic scoliosis (AIS) classification, and classifying the curves by means of the Lenke classification of two AIS clinical cases. Two learning strategies were used during the course. A postcourse questionnaire was applied to reclassify the same deformity cases. Differences in the correct answers of clinical cases between pre- and postcourse were analyzed, revealing the number of participants whose accuracy in classification improved after the course. RESULTS: Analysis showed a decrease in the number of participants with wrong answers in both cases after the course. In the first case, statistically significant differences were observed in both curve pattern (83.3%, p = 0.005) and lumbar spine modifier (46.6%, p = 0.049). No statistically significant improvement was seen in the sagittal thoracic modifier (33.3%, p = 0.309). In the second case, statistical improvement was obtained in curve pattern (27.4%, p = 0.018). No statistically significant improvement was seen regarding lumbar spine modifier (9.8%, p = 0.121) and sagittal thoracic modifier (12.9%, p = 0.081). CONCLUSION: This pilot test showed objectively that learning strategies used during AOSpine courses improved the participants' knowledge. Teaching strategies must be continually improved to ensure an optimal level of knowledge transfer.

Adolescent idiopathic scoliosis: surgical treatment and quality of life.

OBJECTIVES: The purpose of this study was to determine the influence of perioperative factors and their impact on clinical and functional outcomes in Brazilian patients with adolescent idiopathic scoliosis (AIS). METHODS: We performed a prospective study with 49 consecutive AIS patients who underwent spine fusion and had a minimum 2 year follow-up. Clinical and radiographic data were correlated to SRS-30 scores in order to predict postoperative results. RESULTS: There was a negative association between patient age at the time of surgery and back pain. We also observed higher scores in the "satisfaction" domain in patients who underwent surgery after 15 years of age (p < 0.05). The average SRS-30 "mental health" score was significantly higher in males than in females (p= 0.035). Patients treated with braces had worse results than those who did not use them (p= 0.005). CONCLUSIONS: Posterior spine fusion led to improvement of all domains of the SRS-30 questionnaire. Clinical results were influenced by age, sex and the use of braces prior to surgery. There was no correlation between curve correction and presence of perioperative complications. Level of Evidence IV, Case Series.

OBJETIVO: A finalidade deste estudo foi determinar a influência dos fatores perioperatórios e seu impacto sobre os desfechos clínicos e funcionais em pacientes brasileiros com escoliose idiopática do adolescente (EIA). MÉTODOS: Foi realizado um estudo prospectivo com 49 pacientes consecutivos com EIA submetidos à fusão da coluna vertebral, com seguimento de no mínimo dois anos. Os dados clínicos e radiográficos foram correlacionados com o escore SRS-30 para predizer os resultados pós-operatórios. RESULTADOS: Houve uma associação negativa entre a idade do paciente no momento da cirurgia e dor nas costas. Observamos também escore mais alto no domínio "satisfação" nos pacientes operados depois dos 15 anos de idade (p < 0,05). O escore médio de "saúde mental" do SRS-30 foi significativamente superior em homens com relação às mulheres (p= 0,035). Os pacientes tratados com órteses tiveram resultados piores comparados com aqueles que não usaram (p= 0,005). CONCLUSÃO: Artrodese posterior levou à melhora de todos os domínios do questionário SRS-30. Os resultados clínicos foram influenciados por idade, sexo e uso de órtese antes da cirurgia. Não houve correlação entre a correção da curva e a presença de complicações perioperatórias. Nível de Evidência IV, Série de Casos.

Are Locked Facets a Contraindication for Extreme Lateral Interbody Fusion?

BACKGROUND: Extreme lateral interbody fusion (ELIF) has gained popularity as a minimally invasive treatment allowing for indirect decompression of neural elements. However, evidence regarding the influence of facet degeneration (FD) and facet tropism (FT) toward indirect decompression is lacking. The aim of the study was to evaluate whether indirect decompression is impaired by FD and FT in patients undergoing ELIF. METHODS: Thirty-seven patients undergoing ELIF were included in a retrospective study. Radiographic parameters including disk height, segmental disk angle, foraminal area, FD, FT, and clinical outcome parameters (Oswestry Disability Index and Visual Analog Scale) were measured preoperatively and postoperatively. FD and FT were correlated with radiographic and clinical outcome parameters in order to determine predictors restricting indirect decompression. RESULTS: Thirty-seven patients with a total of 74 levels were analyzed. Clinical and radiographic outcome measures including central canal area (Δ = +17.2 mm2), mean disk height (Δ = +3 mm), and foraminal area (Δ = +9.9 mm2) revealed significant improvement compared with before surgery (P ≤ 0.05). Patients with severe FD (grade 4) were more likely to have FT ≥ 12 degrees (32.3%) than patients without/mild (grades 0 and 1; 10%) or moderate FD (grades 2 and 3; 13%), P ≤ 0.05. FD and FT did not affect disk height restoration, foraminal area, canal surface area, or clinical outcome measures (P ≥ 0.05). CONCLUSIONS: Indirect decompression of neural elements in ELIF is not impaired by FD and FT are not relative contraindications in patients undergoing ELIF.

Cultural adaptation, reliability and validity of Japanese Orthopaedic Association Back Pain Evaluation Questionnaire to Brazilian Portuguese.

OBJECTIVE: To describe the translation and cultural adaptation of the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire into Brazilian Portuguese, and verifies the reliability and validity of this new version. METHODS: A cross-cultural adaptation of the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire was performed using the following steps: translation, back-translation, committee review, and pre-testing phase (50 subjects). The psychometric properties were evaluated by application of the questionnaire to 102 patients. Reliability was assessed by homogeneity and stability of measures. The criterion-related validity was tested by comparing scores of Japanese Orthopaedic Association Back Pain Evaluation Questionnaire to Oswestry and Medical Outcomes Study 36 - Item Short questionnaires. RESULTS: Excellent internal consistency was found in both test (Cronbach's α of 0.90) and re-test (Cronbach's α of 0.91). The Japanese Orthopaedic Association Back Pain Evaluation Questionnaire showed good reliability and the correlations ranged from reasonable (0.64) to very good (r=0.91). CONCLUSION: The Brazilian Portuguese version of Medical Outcomes Study 36 - Item Short was easy to apply and understand. The questionnaire had a great impact on assessment and multidimensional care of patients with low back pain.

Profile of patients with spine tumor operated in a south american reference service. epidemiological study / Perfil de pacientes com tumor de coluna operados em um serviço de referência sul-americano. estudo epidemiológico / Perfil de pacientes con tumor de columna operados en un servicio de referencia suramericano. estudio epidemiológico

ABSTRACT Objective: The objective was to conduct an analytical epidemiological study to understand the profile, treatment, and outcome of patients with spinal tumors in a Brazilian Quaternary Hospital of the SUS. Methods: A retrospective cohort analysis of data from the last five years was performed. It was described qualitative characteristics evaluated by absolute and relative frequencies and quantitative characteristics by sintetized measures. Associations between characteristics were verified using chi-square tests or exact tests. Results: 92 patients met the eligibility criteria. The mean age was 56.1 years (±14.7), with 48 men (52.2%) and 44 women (47.8%). The types of tumors organized in the three proposed groups had 19 multiple myelomas (20.7%), 62 metastases (67.3%), and 11 other tumors (12%). The neurological status measured through the ASIA score was A: 5.4%, B: 22.8%, C: 26.1%, D: 35.9%, E: 9.8%. Karnofsky was prevalent in the 50-70 range with 65.2%. The total hospitalization period had a mean of 22.8±18 days, preoperatively 11.9±9.2 days, and postoperatively 10.9±14 days. Karnofsky presented lower values according to the worst ASIA (p < 0.001). A total of 12 patients (13%) died during hospitalization. The total and postoperative length of stay was longer in patients who died (p = 0.002 and p < 0.001). Conclusions: This study provides epidemiological data that allow an understanding of the profile of patients with spinal tumors in the Brazilian Public Health System. The severity of the patients is higher when compared to most of the series cases in the literature. The patients with longer hospitalization stay died. Level of evidence IV; Case series.

RESUMO Objetivo: Realizar um estudo epidemiológico analítico a fim de compreender o perfil, tratamento e desfecho dos pacientes com tumor na coluna operados em hospital quaternário brasileiro do SUS. Métodos: Foi realizado uma análise por estudo de coorte retrospectivo com os dados do prontuário correspondentes aos últimos 5 anos. Foram descritas as características qualitativas avaliadas por frequências absoluta e relativa, além das características quantitativas por medidas sumárias. Foram verificadas associações entre características com uso de testes qui-quadrado ou testes exatos. Resultados: 92 pacientes preencheram critérios de elegibilidade. A média etária foi de 56,1 anos (±14,7) com 48 homens (52,2%) e 44 mulheres (47,8%). Os tipos de tumores organizados nos três grupos propostos apresentaram 19 mielomas múltiplos (20,7%), 62 metástases (67,3%) e 11 outros tumores (12%). O status neurológico aferido através do escore ASIA teve distribuição de A: 5,4%, B: 22,8%, C: 26,1%, D: 35,9%, E: 9,8%. O Karnofsky foi prevalente na faixa de 50-70 com 65,2%. O período de internação total obteve média de 22,8±18 dias, pré-operatório 11,9±9,2 dias e pós-operatório 10,9±14 dias. O Karnofsky apresentou menores valores conforme pior ASIA (p < 0,001). Um total de 12 pacientes (13%) faleceram durante a internação. O tempo total de internação e o tempo de internação pós-operatório foram maiores nos pacientes que faleceram (p = 0,002 e p < 0,001). Conclusões: Este estudo traz dados epidemiológicos que permitem compreensão do perfil do paciente com tumor da coluna vertebral operado no Sistema Público de Saúde Brasileiro. A gravidade dos pacientes é maior quando comparada a maioria das séries de casos da literatura. Pacientes com maior tempo de internação foram a óbito. Nível de evidência IV; Série de casos.

RESUMEN Objetivo: Realizar un estudio epidemiológico analítico para comprender el perfil, el tratamiento y la evolución de los pacientes con tumores en la columna vertebral operados en un Hospital brasileño cuaternario del SUS. Métodos: Se realizó un análisis de cohorte retrospectivo de los datos de los últimos 5 años. Fueron descriptas características cualitativas evaluadas por frecuencias absolutas y relativas y características cuantitativas por medidas sumarias. Las asociaciones entre las características se verificaron mediante pruebas de chi-cuadrado o pruebas exactas. Resultados: 92 pacientes cumplieron con los criterios de elegibilidad. La edad promedio fue de 56,1 años (±14,7) con 48 hombres (52,2%) y 44 mujeres (47,8%). Los tipos de tumores organizados en los tres grupos propuestos fueron: 19 mielomas múltiples (20,7%), 62 metástasis (67,3%) y otros tumores 11 (12%). El estado neurológico medido a través del puntaje ASIA tuvo la siguiente distribución A: 5,4%, B: 22,8%, C: 26,1%, D: 35,9%, E: 9,8%. Karnofsky prevaleció en el rango 50-70 con 65,2%. El tiempo total de hospitalización tuvo un promedio de 22,8±18 días, preoperatorio 11,9±9,2 días y postoperatorio 10,9±14 días. Karnofsky presentó valores más bajos según el peor ASIA (p < 0,001). Un total de 12 pacientes (13%) fallecieron durante la hospitalización. La duración total de la estadía y la duración de la estancia postoperatoria fueron más largas en los pacientes que fallecieron (p = 0,002 y p < 0,001). Conclusiones: Este estudio proporciona datos epidemiológicos que permiten comprender el perfil de los pacientes con tumores de columna operados en el Sistema Público de Salud brasileño. La gravedad de los pacientes es mayor en comparación con la mayoría de las series de casos en la literatura. Los pacientes con estancias hospitalarias más prolongadas fallecieron. Nivel de evidencia IV; Serie de casos.