Challenges of Congenital Heart Surgery in Brazil: It is Time to Designate Pediatric Congenital Heart Surgery Subspecialty.

Congenital heart disease (CHD) affects eight to ten out of every 1,000 births, resulting in approximately 23,057 new cases in Brazil in 2022. About one in four children with CHD requires surgery or other procedures in the first year of life, and it is expected that approximately 81% of these children with CHD will survive until at least 35 years of age. Professionals choosing to specialize in CHD surgery face numerous challenges, not only related to mastering surgical techniques and the complexity of the diseases but also to the lack of recognition by medical societies as a separate subspecialty. Furthermore, families face difficulties when access to services capable of providing treatment for these children. To address these challenges, it is essential to have specialized hospitals, qualified professionals, updated technologies, sustainable industry, appropriate financing, quality assessment systems, and knowledge generation. The path to excellence involves specialization across all involved parties. As we reflect on the importance of Pediatric Cardiovascular Surgery and Congenital Heart Diseases establishing themselves as a subspecialty of Cardiovascular Surgery, it is essential to look beyond our borders to countries like the United States of America and United Kingdom, where this evolution is already a reality. This autonomy has led to significant advancements in research, education, and patient care outcomes, establishing a care model. By following this path in Brazil, we not only align our practice with the highest international standards but also demonstrate our maturity and the ability to meet the specific needs of patients with CHD and those with acquired childhood heart disease.

Challenges of Congenital Heart Surgery in Brazil: It is Time to Designate Pediatric Congenital Heart Surgery Subspecialty

ABSTRACT Congenital heart disease (CHD) affects eight to ten out of every 1,000 births, resulting in approximately 23,057 new cases in Brazil in 2022. About one in four children with CHD requires surgery or other procedures in the first year of life, and it is expected that approximately 81% of these children with CHD will survive until at least 35 years of age. Professionals choosing to specialize in CHD surgery face numerous challenges, not only related to mastering surgical techniques and the complexity of the diseases but also to the lack of recognition by medical societies as a separate subspecialty. Furthermore, families face difficulties when access to services capable of providing treatment for these children. To address these challenges, it is essential to have specialized hospitals, qualified professionals, updated technologies, sustainable industry, appropriate financing, quality assessment systems, and knowledge generation. The path to excellence involves specialization across all involved parties. As we reflect on the importance of Pediatric Cardiovascular Surgery and Congenital Heart Diseases establishing themselves as a subspecialty of Cardiovascular Surgery, it is essential to look beyond our borders to countries like the United States of America and United Kingdom, where this evolution is already a reality. This autonomy has led to significant advancements in research, education, and patient care outcomes, establishing a care model. By following this path in Brazil, we not only align our practice with the highest international standards but also demonstrate our maturity and the ability to meet the specific needs of patients with CHD and those with acquired childhood heart disease.

Risk Stratification in Cancer Patients with Acute Upper Gastrointestinal Bleeding: Comparison of Glasgow-Blatchford, Rockall and AIMS65, and Development of a New Scoring System.

BACKGROUND/AIMS: Few studies have measured the accuracy of prognostic scores for upper gastrointestinal bleeding (UGIB) among cancer patients. Thereby, we compared the prognostic scores for predicting major outcomes in cancer patients with UGIB. Secondarily, we developed a new model to detect patients who might require hemostatic care. METHODS: A prospective research was performed in a tertiary hospital by enrolling cancer patients admitted with UGIB. Clinical and endoscopic findings were obtained through a prospective database. Multiple logistic regression analysis was performed to gauge the power of each score. RESULTS: From April 2015 to May 2016, 243 patients met the inclusion criteria. The AIMS65 (area under the curve [AUC] 0.85) best predicted intensive care unit admission, while the Glasgow-Blatchford score best predicted blood transfusion (AUC 0.82) and the low-risk group (AUC 0.92). All scores failed to predict hemostatic therapy and rebleeding. The new score was superior (AUC 0.74) in predicting hemostatic therapy. The AIMS65 (AUC 0.84) best predicted in-hospital mortality. CONCLUSION: The scoring systems for prognostication were validated in the group of cancer patients with UGIB. A new score was developed to predict hemostatic therapy. Following this result, future prospective research should be performed to validate the new score.

EUS-guided gastroenterostomy: Initial experience in a brazilian tertiary center.

INTRODUCTION: EUS-guided gastroenterostomy (EUS-GE) is a novel procedure for palliation of malignant gastric outlet obstruction (GOO). Our aim was to evaluate the outcomes of this technique in our initial experience. METHODS: Patients with GOO from our institute were included. Technical success was defined as the successful creation of a gastroenterostomy. Clinical success was defined as the ability to tolerate a soft diet after the procedure. We assessed adverse events and diet tolerance 1 month after the procedure. RESULTS: Three patients were included. Technical and clinical success was achieved in all cases. There were no adverse events and good diet tolerance was observed 1 month after the procedure in the included patients. CONCLUSION: EUS-GE is a promising treatment for patients with GOO.

EUS-guided gastroenterostomy: Initial experience in a brazilian tertiary center

SUMMARY INTRODUCTION: EUS-guided gastroenterostomy (EUS-GE) is a novel procedure for palliation of malignant gastric outlet obstruction (GOO). Our aim was to evaluate the outcomes of this technique in our initial experience. METHODS: Patients with GOO from our institute were included. Technical success was defined as the successful creation of a gastroenterostomy. Clinical success was defined as the ability to tolerate a soft diet after the procedure. We assessed adverse events and diet tolerance 1 month after the procedure. RESULTS: Three patients were included. Technical and clinical success was achieved in all cases. There were no adverse events and good diet tolerance was observed 1 month after the procedure in the included patients. CONCLUSION: EUS-GE is a promising treatment for patients with GOO.

RESUMO INTRODUÇÃO: A gastroenterostomia ecoguiada é um novo procedimento para paliação da obstrução maligna gastroduodenal. Nosso objetivo foi avaliar os resultados dessa técnica em nossa experiência inicial. MÉTODOS: Foram incluídos pacientes com obstrução maligna gastroduodenal de nossa instituição. O sucesso técnico foi definido como a realização adequada de uma gastroenterostomia. O sucesso clínico foi definido como boa aceitação de dieta pastosa durante a internação. Os eventos adversos e a aceitação alimentar foram avaliados um mês após o procedimento. RESULTADOS: Três pacientes foram incluídos. Os sucessos técnico e clínico foram alcançados em todos os casos. Não houve eventos adversos e a aceitação alimentar permaneceu adequada um mês após o procedimento nos pacientes incluídos. CONCLUSÃO: O EUS-GE é um tratamento promissor para pacientes com obstrução maligna gastroduodenal.

Application of Static Magnetic Fields on the Mixotrophic Culture of Chlorella minutissima for Carbohydrate Production.

Magnetic field (MF) can interact with the metabolism of microalgae and has an effect (positive or negative) on the synthesis of molecules. In addition to MF, the use of pentose as a carbon source for cultivating microalgae is an alternative to increase carbohydrate yield. This study aimed at evaluating the MF application on the mixotrophic culture of Chlorella minutissima in order to produce carbohydrates. MF of 30 mT was generated by ferrite magnets and applied diurnally for 12 days. The addition of 5% pentose, MF application of 30 mT, and nitrogen concentration reduced (1.25 mM of KNO3) was the best conditions to obtain higher carbohydrate concentrations. MF application of 30 mT increased biomass and carbohydrate contents in 30% and 163.1%, respectively, when compared with the assay without MF application. The carbohydrate produced can be used for bioethanol production.

Clove oil nanoemulsion showed potent inhibitory effect against Candida spp.

Increasing resistance to current fungicides is a clinical problem that leads to the need for new treatment strategies. Clove oil (CO) has already been described as having antifungal action. However, it should not be applied directly to the skin as it may be irritating. One option for CO delivery and suitable topical application would be nanoemulsions (NEs). NEs have advantages such as decreased irritant effects and lower dose use. The purpose of this work was the development of NEs containing CO and in vitro evaluation against Candida albicans and Candida glabrata. The NEs were produced by an ultrasonic processor with different proportions of CO and Pluronic® F-127. In order to determine the best composition and ultrasound amplitude, an experimental design was performed. For the evaluation, droplet size and polydispersity index (PdI) were used. After the stability study, in vitro activity against C. albicans and C. glabrata was evaluated. NEs selected for the stability study, with diameter <40 nm and PdI <0.2, remained stable for 420 d. Activity against Candida spp. was improved when the CO was nanoemulsified, for it possibly leads to a better interaction between the active and the microorganisms, mainly in C. albicans.

Clinical and endoscopic aspects of metastases to the gastrointestinal tract.

BACKGROUND: Studies that describe metastases to the gastrointestinal (GI) tract are restricted to small case series. An increase in the frequency of this condition is expected, so it would be useful to better characterize the endoscopic aspects of metastasis to the GI tract. The aims of this study were to describe the frequency and endoscopic features of the lesions, and to analyze the survival rate after diagnosis of metastasis. METHODS: This was a retrospective, single-center, observational study, conducted between 2009 and 2017. Patients with metastasis to the GI tract were included. RESULTS: 95 patients were included. Melanoma (25.3 %), lung (15.8 %), and breast (14.7 %) were the most frequent primary tumors. The most common endoscopic presentation was a solitary, ulcerated lesion in the gastric body. Conventional biopsy was diagnostic in 98.9 % of the cases. The mean and median survival rates were 13.3 months (95 % confidence interval [CI] 8.2 - 18.3) and 4.7 months (95 %CI 3.7 - 5.6), respectively. Palliative treatment with chemo- and/or radiotherapy after the diagnosis of the metastasis was related to a higher survival rate. CONCLUSIONS: Melanoma, lung, and breast cancer were the most common primary tumors to metastasize to the GI tract. The endoscopic features could not predict the primary site of the tumor. The finding of metastasis in the GI tract is related to the final stage of the cancer disease but patients who received palliative treatment with chemo- and/or radiotherapy after diagnosis of GI metastasis had higher survival rates.

O movimento na luta pela vida: sistema de organização e treinamento dos gladiadores / The movement in the fight for life: Gladiators' system of organization and training / El movimiento en la lucha por la vida: El sistema de organización y entrenamiento de los gladiadores

INTRODUÇÃO E OBJETIVO: Apresentar a origem dos gladiadores, seus sistemas de treinamento e vida cotidiana. PROCEDIMENTOS METODOLÓGICOS: Realizou-se revisão narrativa, a partir de recuperação de fatos históricos contidos em fontes iconográficas, eletrônicas e bibliográficas. DISCUSSÃO: Acredita-se que a origem dos jogos de gladiadores seja etrusca, inicialmente realizados como parte de ritos funerais. Após inserido na famiglia gladiatoria, os gladiadores seguiam as leis das escolas de formação (ludus). Gladiadores que haviam combatido durante muito tempo, e sobreviveram a todos os combates, recebiam uma espada de madeira como símbolo de sua aposentadoria, denominada rudis. CONCLUSÃO: Por um período de quase 600 anos, a arena foi um dos entretenimentos mais populares do mundo romano. Combates de gladiadores eram um elemento do paganismo que governou Roma até a conversão do imperador Constantino ao cristianismo no século IV, e ocupam um lugar central na percepção popular moderna de comportamento romano.

INTRODUCTION AND OBJECTIVE: Present the origin of gladiators, their training systems and daily life. METHODOLOGICAL PROCEDURES: A narrative review was carried out, based on the retrieval of historical facts contained in iconographic, electronic and bibliographical sources. DISCUSSION: It is believed that the origin of the gladiator's combat is Etruscan, initially realized as part of funeral rites. After entering the gladiatorial family, the gladiators followed laws from schools of formation (ludus). Gladiators who had fought for a long time, and survived all combats received a wooden sword as a symbol of their retirement, called rudis. CONCLUSION: For a period of almost 600 years, the arena was one of the most popular entertainments in the Roman world. Gladiator fights were an element of paganism that ruled Rome until the conversion of Emperor Constantine to Christianity in the fourth century, and occupy a central place in the modern popular perception of Roman behavior.

INTRODUCCIÓN Y OBJETIVO: Presentar el origen de los gladiadores, sus sistemas de entrenamiento y la vida cotidiana. PROCEDIMIENTOS METODOLÓGICOS: se realizó una revisión narrativa, basada en la recuperación de hechos históricos, contenidos en fuentes iconográficas, electrónicas y bibliográficas. DISCUSIÓN: Se cree que el origen del combate del gladiador es etrusco, inicialmente realizado como parte de los ritos funerarios. Después de entrar en la familia de gladiadores, los gladiadores siguieron las leyes de las escuelas de formación (ludus). Los gladiadores que habían luchado durante mucho tiempo y sobrevivieron a todos los combates recibieron una espada de madera como símbolo de su retiro, llamada rudis. CONCLUSIÓN: durante un período de casi 600 años, la arena fue uno de los entretenimientos más populares en el mundo romano. Las luchas de gladiadores fueron un elemento del paganismo que estaba en el Imperio Romano hasta la conversión del emperador Constantino al cristianismo en el siglo IV, y ocupan un lugar central en la percepción popular moderna del comportamiento romano.

Endoscopic Endonasal Odontoidectomy: Nuances of Neurosurgical Technique / Odontoidectomia endoscópica endonasal: nuances da técnica cirúrgica

Odontoidectomy is the treatment of choice for some diseases that cause irreducible ventral compression of the brainstem. In this study, we present our series emphasizing the technical nuances of endoscopic endonasal odontoidectomy

Odontoidectomia é o tratamento de escolha para algumas doenças que cursam com compressão irredutível do tronco encefálico. Neste trabalho, apresentamos nossa série enfatizando as nuances da técnica cirúrgica da odontoidectomia por via endonasal endoscópica.

Erratum: Colonic stent versus emergency surgery as treatment of malignant colonic obstruction in the palliative setting: a systematic review and meta-analysis.

[This corrects the article DOI: 10.1055/a-0591-2883.].

Colonic stent versus emergency surgery as treatment of malignant colonic obstruction in the palliative setting: a systematic review and meta-analysis.

BACKGROUND AND STUDY AIMS: Colorectal cancer (CRC) is the third most common malignancy and the third leading cause of cancer death worldwide. Malignant colonic obstruction (MCO) due to CRC occurs in 8 % to 29 % of patients.The aim of this study was to perform a systematic review and meta-analysis of RCTs comparing colonic SEMS versus emergency surgery (ES) for MCO in palliative patients. This was the first systematic review that included only randomized controlled trials in the palliative setting. METHODS: A literature search was performed according to the PRISMA method using online databases with no restriction regarding idiom or year of publication. Data were extracted by two authors according to a predefined data extraction form. Primary outcomes were: mean survival, 30-day adverse events, 30-day mortality and length of hospital stay. Stoma formation, length of stay on intensive care unit (ICU), technical success and clinical success were recorded for secondary outcomes. Technical success (TS) was defined as successful stent placement across the stricture and its deployment. Clinical success (CS) was defined as adequate bowel decompression within 48 h of stent insertion without need for re-intervention. RESULTS: We analyzed data from four RCT studies totaling 125 patients. The 30-day mortality was 6.3 % for SEMS-treated patients and 6.4 % for ES-treated patients, with no difference between groups (RD: - 0.00, 95 % CI [-0.10, 0.10], I 2 : 0 %). Mean survival was 279 days for SEMS and 244 days for ES, with no significant difference between groups (RD: 20.14, 95 % CI: [-42.92, 83.21], I 2 : 44 %). Clinical success was 96 % in the ES group and 86.1 % in the SEMS group (RD: - 0.13, 95 % CI [-0.23, - 0.02], I 2 : 51 %). Permanent stoma rate was 84 % in the ES group and 14.3 % in the SEMS group (RR: 0.19, 95 % CI: [0.11, 0.33], I 2 : 28 %). Length of hospital stay was shorter in SEMS group (RD: - 5.16, 95 % CI: [-6.71, - 3.61], I 2 : 56 %). There was no significant difference between groups regarding adverse events (RD 0.18, 95 % CI: [-0.19, 0.54;]) neither regarding ICU stay. (RD: - 0.01, 95 % CI: [-0.08, 0.05], I 2 : 7 %). The most common stent-related complication was perforation (42.8 % of all AE). CONCLUSION: Mortality, mean survival, length of stay in the ICU and early complications of both methods were similar. SEMS may be an alternative to surgery with the advantage of early hospital discharge and lower risk of permanent stoma.

Open vs. Percutaneous Pedicle Screw Insertion for Thoracolumbar Traumatic A3 and A4 AO Fractures - 18-Months Follow-Up

Purpose To compare the efficacy and safety of the percutaneous screw fixation (PSF) and the open pedicle screw fixation (OPSF) on thoracolumbar (TL) fracture. Methods Sixty-four adult patients with TL vertebral fractures who underwent open or percutaneous posterior short-segment transpedicular screw fixation between January of 2013 and September of 2015 were retrospectively reviewed. All patients underwent clinical, radiological and quality of life follow-up for at least 18 months. Results There was no significant difference in age, gender, time between injury and surgery, and preoperative percentage of anterior column height, preoperative sagittal regional Cobb angle, or kyphotic angle of fractured vertebra between these two groups (p > 0.05). There was significantly less intraoperative blood loss in the PSF (87.6 24.6 mL) than in the OPSF group (271.4 142.6 mL) (p < 0.05). The mean surgery time was 62 minutes (range 42­130 minutes) for open and 58 minutes (range 35 to 128 minutes) for percutaneous screw fixation. The surgery time was shorter in the PSF group, but with no statistical significance (p > 0.05). The mean Oswestry disability index (ODI) scores after 18-months were 23.12 8.2 for the PSF and 24.12 9.2 for the OPSF group, without any statistical significance (p > 0.05). Conclusion Both open and percutaneous screw fixations are safe and effective. The percutaneous techniques significantly reduced the intraoperative blood loss compared with the open techniques.

Objetivo Comparar a eficácia e segurança das técnicas de fixação convencional e percutânea para fraturas toracolombares. Métodos Sessenta e quatro pacientes adultos com fraturas da transição toracolombar que foram submetidos a fixação pedicular curta por técnicas aberta convencional e percutânea entre janeiro de 2013 e setembro de 2015 foram retrospectivamente avaliados. Todos foram submetidos a avaliação clínica, radiológica e de qualidade de vida com no mínimo 18 meses do seguimento. Resultados Não houve diferença significativa na idade, sexo, tempo entre o trauma e o tratamento, porcentagem da redução da altura do corpo vertebral pré-operatório, angulo de Cob sagital na região da fratura, ou ângulo de de cifose da vértebra fraturada entre os dois grupos (p > 0,05). Houve uma menor perda sanguínea no grupo percutâneo (87,6 24,6 mL) em comparação com a técnica convencional (271,4 142,6 mL) (p < 0,05). O tempo médio da cirurgia foi 62 minutos (42 - 130 minutos) para a técnica convencional e 58 minutos (35 - 128 minutos) para a percutânea. Apesar de mais curto na técnica percutânea, não houve diferença estatisticamente significante no tempo cirúrgico entre os dois grupos (p > 0,05). Em relação ao índice de incapacidade de Oswestry após 18 meses do tratamento cirúrgico, também não houve diferença significante do ponto de vista estatístico entre os dois grupos, sendo 23,12 8,2 para a técnica percutânea e 24,12 9,2 para o grupo da técnica convencional (p > 0,05). Conclusão Ambas as técnicas mostraram-se eficazes e seguras para o tratamento de fraturas da transição toracolombar. A técnica percutânea apresentou uma taxa de perda sanguínea significativamente menor em comparação à técnica aberta convencional.

Padronização da avaliação endoscópica das fundoplicaturas e corrrelação com a sintomatologia / A standardization for endoscopic description of surgical fundoplication and correlations with symptomatology

Introdução: a endoscopia digestiva alta possui papel importante na avaliação dos pacientes submetidos à fundoplicatura, especialmente na elucidação de sintomas pós-operatórios. No entanto, é pouco padronizada e sua descrição apresenta baixa concordância entre os endoscopistas. Objetivos: padronizar a avaliação endoscópica das FPLs, identificar a frequência de anormalidades pós-operatórias e correlacionar os achados clínicos com os achados endoscópicos. Métodos: estudo prospectivo observacional, incluindo todos os pacientes submetidos à FPL, que realizaram endoscopia digestiva alta no Hospital Alemão Oswaldo Cruz no período de setembro entre 2014 e julho de 2015. Os pacientes foram submetidos a um questionário para coleta de dados e, a seguir, foi realizada classificação endoscópica das FPLs de acordo com os seguintes parâmetros: situação da TEG na visão frontal (sob zona de pressão, acima da zona de pressão ou deslizada); situação da FPL na retrovisão (intra-abdominal parcialmente ou totalmente migrada); conformação da FPL (total, parcial, desgarrada ou torcida) e hérnia paraesofágica (presente ou ausente). Resultados: foram avaliados 100 pacientes submetidos à FPL, 51% do sexo masculino, com idade média de 55,6 anos. Quarenta e três por cento (43%) referiam algum sintoma pós-operatório (regurgitação, azia, refluxo, tosse etc) e 46% apresentaram alguma anormalidade endoscópica da cirurgia. A TEG fora da zona de pressão da válvula e fundoplicatura migrada estiveram significativamente correlacionadas com a ocorrência de sintomas pós-operatórios (p < 0,001 em ambos os casos). Não houve correlação entre sintomatologia e a confirmação da fundoplicatura (se total, parcial ou desgarrada; p=0,19). Conclusão: a avaliação e a classificação endoscópica da fundoplicatura são reprodutíveis e parecem ser um bom preditor da ocorrência de sintomas. TEG acima da zona de pressão da válvula e fundoplicatura migrada estiveram correlacionadas com a recidiva dos sintomas.

Introduction: upper gastrointestinal endoscopy plays an important role in the evaluation of patients submitted to fundoplication, especially in the elucidation of postoperative symptoms. However, it is not well standardized and its description presents low agreement among the endoscopists. Objectives: to standardize endoscopic evaluation of FPLs, identify the frequency of postoperative abnormalities and correlate clinical findings with endoscopic findings. Methods: this was a prospective observational study, including all patients undergoing FPL, who underwent upper digestive endoscopy at the Alemão Oswaldo Cruz Hospital from September 2014 to July 2015. Patients were submitted to a questionnaire and then, Endoscopic classification of FPLs was performed according to the following parameters: TEG situation in frontal view (under pressure zone, above pressure zone or slipped fundoplication); FPL status in retrovision (intra-abdominal partially or totally migrated); Conformation of the FPL (total, partial, disrupted or twisted) and paraesophageal hernia (presentor absent). Results: we evaluated 100 patients submitted to FPL, 51% male, mean age of 55.6 years. Forty-three percent reported some postoperative symptoms (regurgitation, heartburn, reflux, cough, etc.) and 46% had some endoscopic surgery abnormality. TEG outside the pressure zone, and migrated fundoplication, were significantly correlated with the occurrence of postoperative symptoms (p <0.001 in both cases). There was no correlation between symptomatology and fundoplication conformation (if total, partial or twited, p= 0.19). Conclusion: the evaluation and endoscopic classification of fundoplication is reproductible and seems to be a good predictor of the occurrence of symptoms. TEG above the pressure zone and migrated fundoplication were correlated with relapse of the symptoms.

Epidemiology of pelvic ring fractures and injuries.

OBJECTIVE: This study evaluated the pelvic ring fractures and injuries in patients admitted to and treated at this ward between August, 2012 and January, 2014. METHODS: 66 patients were submitted to treatment protocols according to their age, gender, skin color, injury mechanism, location of the trauma, classification of their injuries, emergency intervention, associated injuries, injured side of the body, treatment, and mortality. The most relevant data were classified according to statistic procedures, such as Goodman's association test. Measures were compared with Student's t-test and analysis of variance associated with Tukey's multiple comparison test. RESULTS: The mean age was 47 years; white race and male gender were most common. Car or truck accident was the most common cause of injuries, which occurred mainly in urban sites. Type A injuries were the most frequent. 16.6% of the cases were submitted to emergency surgery. 42.4% displayed associated injuries. The right side of the body was the most commonly affected side. Non-invasive treatment was most commonly used. Death was the outcome in 3% of the cases, associated to high-energy trauma. CONCLUSIONS: Pelvic ring fractures and injuries are more often verified among males. In general and among younger individuals, traffic accidents are the most common cause of the injury, while among the elderly, ordinary falls are the most commonly verified cause. The majority of those injuries are suffered in urban areas. Type A fractures are more frequent. The majority of cases do not require emergency intervention nor do they feature associated injuries. Non-invasive treatment is most common and death outcomes are associated to high-energy traumas with severe injuries.

OBJETIVO: Estudo das fraturas/lesões do anel pélvico atendidas e tratadas neste serviço de agosto de 2012 a janeiro de 2014. MÉTODOS: Elaborou-se um protocolo para os 66 pacientes, consideraram-se os dados: idade, sexo, cor, mecanismo da lesão, local do trauma, classificação das lesões, intervenção de urgência, lesões associadas, lado acometido, tratamento e óbito. Para os dados de maior interesse foram usados os procedimentos estatísticos que envolveram o teste de associação de Goodman e as técnicas de comparações de medidas por meio do teste t de Student e da análise de variância complementada com as comparações múltiplas de Tukey. RESULTADOS: A idade média foi de 47 anos; pacientes do sexo masculino e brancos foram mais frequentes. A causa mais comum das lesões foi acidente carro/caminhão e a zona urbana foi o local onde elas mais ocorreram. Fraturas tipo A foram as mais frequentes. Em 16,6% dos pacientes, foi necessária cirurgia de urgência e 42,4% apresentaram lesão associada. O lado direito foi mais acometido. O tratamento incruento foi o mais usado e o óbito ocorreu em 3%, em casos de trauma de alta energia. CONCLUSÕES: As fraturas/lesões do anel pélvico são mais frequentes no sexo masculino. De modo geral e em jovens, o acidente de trânsito é o mecanismo mais frequente, já em idosos é queda banal. A maioria das lesões ocorre na zona urbana. Fraturas do tipo A são as mais frequentes. A maioria não necessita de intervenção de urgência e não apresenta lesões associadas. O tratamento incruento é o mais usado e os óbitos estão associados a trauma de alta energia com graves lesões associadas.

Epidemiology of pelvic ring fractures and injuries / Estudo epidemiológico das fraturas e lesões do anel pélvico

ABSTRACT OBJECTIVE: This study evaluated the pelvic ring fractures and injuries in patients admitted to and treated at this ward between August, 2012 and January, 2014. METHODS: 66 patients were submitted to treatment protocols according to their age, gender, skin color, injury mechanism, location of the trauma, classification of their injuries, emergency intervention, associated injuries, injured side of the body, treatment, and mortality. The most relevant data were classified according to statistic procedures, such as Goodman's association test. Measures were compared with Student's t-test and analysis of variance associated with Tukey's multiple comparison test. RESULTS: The mean age was 47 years; white race and male gender were most common. Car or truck accident was the most common cause of injuries, which occurred mainly in urban sites. Type A injuries were the most frequent. 16.6% of the cases were submitted to emergency surgery. 42.4% displayed associated injuries. The right side of the body was the most commonly affected side. Non-invasive treatment was most commonly used. Death was the outcome in 3% of the cases, associated to high-energy trauma. CONCLUSIONS: Pelvic ring fractures and injuries are more often verified among males. In general and among younger individuals, traffic accidents are the most common cause of the injury, while among the elderly, ordinary falls are the most commonly verified cause. The majority of those injuries are suffered in urban areas. Type A fractures are more frequent. The majority of cases do not require emergency intervention nor do they feature associated injuries. Non-invasive treatment is most common and death outcomes are associated to high-energy traumas with severe injuries.

RESUMO OBJETIVO: Estudo das fraturas/lesões do anel pélvico atendidas e tratadas neste serviço de agosto de 2012 a janeiro de 2014. MÉTODOS: Elaborou-se um protocolo para os 66 pacientes, consideraram-se os dados: idade, sexo, cor, mecanismo da lesão, local do trauma, classificação das lesões, intervenção de urgência, lesões associadas, lado acometido, tratamento e óbito. Para os dados de maior interesse foram usados os procedimentos estatísticos que envolveram o teste de associação de Goodman e as técnicas de comparações de medidas por meio do teste t de Student e da análise de variância complementada com as comparações múltiplas de Tukey. RESULTADOS: A idade média foi de 47 anos; pacientes do sexo masculino e brancos foram mais frequentes. A causa mais comum das lesões foi acidente carro/caminhão e a zona urbana foi o local onde elas mais ocorreram. Fraturas tipo A foram as mais frequentes. Em 16,6% dos pacientes, foi necessária cirurgia de urgência e 42,4% apresentaram lesão associada. O lado direito foi mais acometido. O tratamento incruento foi o mais usado e o óbito ocorreu em 3%, em casos de trauma de alta energia. CONCLUSÕES: As fraturas/lesões do anel pélvico são mais frequentes no sexo masculino. De modo geral e em jovens, o acidente de trânsito é o mecanismo mais frequente, já em idosos é queda banal. A maioria das lesões ocorre na zona urbana. Fraturas do tipo A são as mais frequentes. A maioria não necessita de intervenção de urgência e não apresenta lesões associadas. O tratamento incruento é o mais usado e os óbitos estão associados a trauma de alta energia com graves lesões associadas

Dynamic magnetic resonance imaging: preliminary presentation of a technique / Ressonância magnética dinâmica: apresentação preliminar de uma técnica / Resonancia magnética dinámica: presentación preliminar de una técnica

ABSTRACT Objective: To evaluate morphometric variations of the cervical spine in patients with cervical spondylotic myelopathy (CSM) using dynamic magnetic resonance imaging (MRI) in neutral, flexion and extension positions. Methods: This is a prospective study of patients with CSM secondary to degenerative disease of the cervical spine. The morphometric parameters were evaluated using T2-weighted MRI sequences in the sagittal plane in neutral, flexion and extension position of the neck. The parameters studied were the anterior length of the spinal cord (ALSC), the posterior length of the spinal cord (PLSC), the diameter of the vertebral canal (DVC) and the diameter of the spinal cord (DSC). Results: The ALSC and PLSC were longer in flexion than in extension and neutral position, with statistically significant difference between the flexion and extension position. The DVC and the DSC were greater in flexion than in extension and neutral position, however, there was no statistically significant difference when they were compared in the neutral, flexion and extension positions. Conclusion: Dynamic MRI allows to evaluate morphometric variations in the cervical spinal canal in patients with cervical spondylotic myelopathy.

RESUMO Objetivo: Avaliar variações morfométricas da coluna vertebral cervical em pacientes portadores de mielopatia cervical espondilótica (MCE) por meio da ressonância magnética dinâmica nas posições neutra, em flexão e em extensão. Métodos: Este é um estudo prospectivo de pacientes portadores de MCE secundária à doença degenerativa da coluna vertebral cervical. Os parâmetros morfométricos foram avaliados pelas sequências de ressonância magnética ponderadas em T2, no plano sagital em posições neutra, flexão e extensão. Os parâmetros estudados foram o comprimento anterior da medula espinhal (CAME), o comprimento posterior da medula espinhal (CPME), o diâmetro do canal vertebral (DCV) e o diâmetro da medula espinhal (DME). Resultados: O CAME e o CPME foram mais longos em flexão do que nas posições neutra e em extensão, sendo encontrada diferença estatisticamente significativa entre a posição em flexão e extensão. O DCV e o DME foram maiores em flexão do que nas posições neutra e em extensão, no entanto não foi encontrada diferença estatisticamente significativa quando comparados nas posições neutra, em flexão e em extensão. Conclusão: O exame de ressonância magnética dinâmica permite avaliar as variações morfométricas do canal vertebral cervical em pacientes portadores de mielopatia cervical espondilótica.

RESUMEN Objetivo: Evaluar las variaciones morfométricas de la columna cervical en pacientes con mielopatía cervical espondilótica (MCE) mediante resonancia magnética dinámica en la posición neutra, en flexión y extensión. Métodos: Se trata de un estudio prospectivo de pacientes con MCE secundaria a la enfermedad degenerativa de la columna cervical. Los parámetros morfométricos fueron evaluados en las secuencias ponderadas en T2 en el plano sagital en la posición neutra, en flexión y extensión de la resonancia magnética. Los parámetros estudiados fueron la longitud anterior de la médula espinal (LAME), la longitud posterior de la médula espinal (LPME), el diámetro del canal espinal (DCE) y el diámetro de la médula espinal (DME). Resultados: La LAME y la LPME fueron más largas en flexión que en las posiciones neutra y en extensión, con diferencia estadísticamente significativa entre la posición en flexión y extensión. El DME y el DCE fueron mayores en flexión que en extensión y la posición neutra, sin embargo no hubo diferencia estadísticamente significativa cuando se compararon en la posición neutral, en flexión y extensión. Conclusión: El examen de resonancia magnética dinámica permite evaluar los cambios morfométricos en el canal espinal cervical en pacientes con mielopatía cervical espondilótica.

Linfoma folicular do duodeno / Follicular lymphoma of the duodenum

Introdução: o linfoma folicular intestinal primário é uma doença rara, representando apenas 1% - 3,6% dos linfomas gastrointestinais não-Hodgkin. Os linfomas intestinais mais comuns são o linfoma difuso de grandes células B e o linfoma MALT. O duodeno é o local mais frequentemente afetado e o aspecto endoscópico característico são os pequenos nódulos polipoides esbranquiçados, medindo de 1-5 mm de diâmetro, por vezes coalescentes. O linfoma folicular é uma neoplasia dos linfócitos B, predominantemente nodal, e muitas vezes diagnosticada em estágios avançados. Porém, a variante extranodal desta doença (linfoma folicular intestinal primário) é bastante incomum, e com evolução indolente, raramente progredindo para estágios avançados. No entanto, o número de pacientes diagnosticados com linfoma folicular intestinal vem crescendo graças ao aumento da familiaridade dos endoscopistas e gastroenterologistas com esta entidade.