Gastric intramural hematoma subsequent to thoracic aortic dissection: Case report and literature review.

INTRODUCTION: Intramural hematomas of the gastrointestinal tract are uncommom, usually located in the esophagus or duodenum, with idiophatic or secondary causes. We present a very rare case of gastric intramural hematoma caused by an unpublished etiology, with literature review. CASE PRESENTATION: An elderly woman suffered acute thoracic aorta dissection followed by gastric intramural hematoma, diagnosed through endoscopy and computed tomography angiography. The treatment included endovascular aortic repair and conservative management. DISCUSSION: The postulated mechanism for the bleeding in gastric intramural hematoma is shredding of terminal arteries at the point of penetration into the muscular layer with subsequent dissection of the muscularis propria from the submucosa. The most frequently cited risk factor is hemorrhagic diathesis/anticoagulant use and the main etiologies are trauma and post-interventional endoscopy. In the diagnosis work-up, computed tomography is the method of choice, usually associated with endoscopy. There is no standard of care for such rare condition. Thus, treatment may be cause-dependent, ranging from conservative to minimally invasive and/or surgery. CONCLUSIONS: Gastric intramural hematoma is a rare disorder with many causes and we described a new etiology for it. The computed tomography is the diagnostic modality of choice, with the aid of other examinations. The treatment comprises conservative measures, minimally invasive approach or most commonly surgery.

ERCP PERFORMANCE IN A TERTIARY BRAZILIAN CENTER: FOCUS ON NEW RISK FACTORS, COMPLICATIONS AND QUALITY INDICATORS.

BACKGROUND: ERCP can lead to complications, which can be prevented by the recognition of risk factors. AIM: To identify these risk factors, with quality evaluation. METHODS: Retrospective study in a Brazilian hospital in 194 patients, excluding surgically altered anatomy. RESULTS: 211 ERCPs were performed: 97.6% were therapeutic, 83.4% were started by trainees, with deep cannulation rate of 89.6%. Precut was needed in 16.6% of the ERCPs and classic sphincterotomy in 67.3%, with 75.4% of ductal clearance at single session and 8.0% of technical failure. Inacessible papillas ocurred in 2.5% of cases. There were 2.5% of late complications and 16% of early complications. Multivariate analysis identified six predictors for early complications: fistulotomy precut (OR=3.4, p=0.010), difficult cannulation (OR=21.5, p=0.002), attending's procedural time (OR=2.4, p=0.020), choledocholithiasis (adjusted OR=1.8, p=0.015), cannulation time (adjusted OR=3.2, p=0.018) and ERCP duration (adjusted OR=2.7, p=0.041). CONCLUSION: Six risk factors for post-ERCP complications were identified. ERCP duration and cannulation time are suggested as new potential quality indicators.

Intragastric balloons in high-risk obese patients in a Brazilian center: initial experience.

OBJECTIVE: to assess the short-term efficacy, tolerance and complications in high-risk morbidly obese patients treated with an intragastric balloon as a bridge for surgery. METHODS: we conducted a post-hoc analysis study in a Brazilian teaching hospital from 2010 to 2014, with 23 adult patients with a BMI of 48kg/m2, who received a single intragastric air or liquid balloon. We defined efficacy as 10% excess weight loss, and complications, as adverse events consequent to the intragastric balloon diagnosed after the initial accommodative period. We expressed the anthropometric results as means ± standard deviation, comparing the groups with paired T / Student's T tests, when appropriate, with p<0.05 considered statistically significant. RESULTS: the balloons were effective in 91.3% of the patients, remained in situ for an average of 5.5 months and most of them (65.2%) were air-filled, with a mean excess weight loss of 23.7kg±9.7 (excess weight loss 21.7%±8.9) and mean BMI reduction of 8.3kg/m2±3.3. Complications (17.3%) included abdominal discomfort, balloon deflation and late intolerance, without severe cases. Most of the participants (82.7%) did not experience adverse effects. We removed the intragastric balloons in time, without intercurrences, and 52.2% of these patients underwent bariatric surgery within one month. CONCLUSION: in our center, intragastric balloons can be successfully used as an initial weight loss procedure, with good tolerance and acceptable complications rates.

Intragastric balloons in high-risk obese patients in a Brazilian center: initial experience / Balões intragástricos em obesos de alto risco em um centro brasileiro: experiência inicial

ABSTRACT Objective: to assess the short-term efficacy, tolerance and complications in high-risk morbidly obese patients treated with an intragastric balloon as a bridge for surgery. Methods: we conducted a post-hoc analysis study in a Brazilian teaching hospital from 2010 to 2014, with 23 adult patients with a BMI of 48kg/m2, who received a single intragastric air or liquid balloon. We defined efficacy as 10% excess weight loss, and complications, as adverse events consequent to the intragastric balloon diagnosed after the initial accommodative period. We expressed the anthropometric results as means ± standard deviation, comparing the groups with paired T / Student's T tests, when appropriate, with p<0.05 considered statistically significant. Results: the balloons were effective in 91.3% of the patients, remained in situ for an average of 5.5 months and most of them (65.2%) were air-filled, with a mean excess weight loss of 23.7kg±9.7 (excess weight loss 21.7%±8.9) and mean BMI reduction of 8.3kg/m2±3.3. Complications (17.3%) included abdominal discomfort, balloon deflation and late intolerance, without severe cases. Most of the participants (82.7%) did not experience adverse effects. We removed the intragastric balloons in time, without intercurrences, and 52.2% of these patients underwent bariatric surgery within one month. Conclusion: in our center, intragastric balloons can be successfully used as an initial weight loss procedure, with good tolerance and acceptable complications rates.

RESUMO Objetivo: identificar a eficácia em curto prazo, a tolerância e as complicações em obesos mórbidos de alto risco, tratados com balão intragástrico como ponte para cirurgia. Métodos: estudo de análise post-hoc em um hospital acadêmico brasileiro durante o período de 2010 a 2014, de 23 pacientes adultos com IMC de 48kg/m2 que receberam um único balão intragástrico de ar ou líquido. Eficácia foi definida como perda de excesso de peso de 10%, e complicações como eventos adversos consequentes ao balão intragástrico diagnosticados após o período acomodativo inicial. Expressaram-se os resultados antropométricos com média ± desvio padrão, comparando os grupos com testes T Pareado / T de Student, quando apropriado, com p<0,05 considerado estatisticamente significante. Resultados: os balões foram efetivos em 91,3% dos pacientes, permaneceram in situ por em média 5,5 meses e a maioria deles (65,2%) era de ar, com perda média de excesso peso de 23,7kg±9,7 (perda de excesso de peso de 21,7%±8,9) e redução média de IMC de 8,3kg/m2±3,3. As complicações (17,3%) compreenderam desconforto abdominal, deflação do balão e intolerância tardia, sem casos graves. A maioria dos participantes (82,7%) não experimentou efeitos adversos, seus balões intragástricos foram extraídos em tempo, sem intercorrências e 52,2% desses pacientes submeteram-se à cirurgia bariátrica no intervalo de um mês. Conclusão: no nosso centro, balões intragástricos podem ser usados com sucesso como procedimento inicial de perda ponderal, com boa tolerância e taxas aceitáveis de complicações.

Ercp performance in a tertiary brazilian center: focus on new risk factors, complications and quality indicators / Performance de cpre em centro terciário brasileiro: foco em novos fatores de risco, complicações e indicadores de qualidade

ABSTRACT Background: ERCP can lead to complications, which can be prevented by the recognition of risk factors. Aim: To identify these risk factors, with quality evaluation. Methods: Retrospective study in a Brazilian hospital in 194 patients, excluding surgically altered anatomy. Results: 211 ERCPs were performed: 97.6% were therapeutic, 83.4% were started by trainees, with deep cannulation rate of 89.6%. Precut was needed in 16.6% of the ERCPs and classic sphincterotomy in 67.3%, with 75.4% of ductal clearance at single session and 8.0% of technical failure. Inacessible papillas ocurred in 2.5% of cases. There were 2.5% of late complications and 16% of early complications. Multivariate analysis identified six predictors for early complications: fistulotomy precut (OR=3.4, p=0.010), difficult cannulation (OR=21.5, p=0.002), attending's procedural time (OR=2.4, p=0.020), choledocholithiasis (adjusted OR=1.8, p=0.015), cannulation time (adjusted OR=3.2, p=0.018) and ERCP duration (adjusted OR=2.7, p=0.041). Conclusion: Six risk factors for post-ERCP complications were identified. ERCP duration and cannulation time are suggested as new potential quality indicators.

RESUMO Racional: A CPRE está associada a complicações, que podem ser prevenidas pelo reconhecimento de fatores de risco. Objetivo: Identificar tais fatores em nosso meio, com avaliação de qualidade. Métodos: Estudo retrospectivo em 194 pacientes de um hospital brasileiro, excluindo-se anatomia cirurgicamente alterada. Resultados: Executaram-se 211 CPREs: 97.6% foram terapêuticas, 83.4% iniciadas pelos residentes, com 89.6% de taxa de canulação profunda. Pré-corte foi necessário em 16.6% das CPREs e papilotomia clássica em 67.3%, com esvaziamento ductal de 74.5% em única sessão e 8.0% de falha técnica. Papilas inacessíveis ocorreram em 2.5% dos casos. Houve complicações tardias (2.5%) e precoces (16%). Em análise multivariada, identificaram-se seis preditores para complicações precoces: fistulotomia (RC=3.4, p=0.010), canulação difícil (RC=21.5, p=0.002), tempo do preceptor no procedimento (RC=2.4, p=0.020), coledocolitíase (RC ajustada=1.8, p=0.015), tempo de canulação (RC ajustada=3.2, p=0.018) e duração da CPRE (RC ajustada=2.7, p=0.041). Conclusão: Identificaram-se seis fatores para complicações pós-CPRE, sugerindo-se duração da CPRE e tempo de canulação como novos potenciais indicadores de qualidade.

Videocolonoscopia convencional e cromoscopia com índigo carmim no diagnóstico de pólipos colônicos / Colonic polyps diagnosis by conventional video colonoscopes and chromoscopy with indigo carmine dye solution

Racional - Colonoscópios com magnificaçäo e cromoscopia com índigo carmim vêm sendo utilizados na diferenciaçäo de pólipos colônicos neoplásicos (adenomatosos e adenocarcinomas) dos näo-neoplásicos (hiperplásicos, inflamatórios, juvenis), in loco, antes da realizaçäo do estudo histológico. Por outro lado, ainda foi pouco estudado o uso de colonoscópios convencionais e cromoscopia na prediçäo da histologia destas lesöes. Objetivo - Avaliar o desempenho de videocolonoscópios convencionais com cromoscopia com índigo carmim no diagnóstico diferencial de pólipos colônicos. Métodos - Previamente à polipectomia de pólipos detectados durante exames diagnósticos de rotina, foi realizada cromoscopia com índigo carmim. Se fossem observados sulcos na superfície da lesäo a mesma era classificada como neoplásica. Na ausência deste aspecto, a mesma era classificada como näo-neoplásica. Estas observaçöes foram comparadas com as conclusöes do estudo histológico. Resultados - No período de estudo (18 meses), foram detectados 133 pólipos em 53 pacientes. A cromoendoscopia apresentou, em 126 lesöes, sensibilidade de 56,4 por cento, especificidade de 79,2 por cento, valor preditivo positivo de 81,5 por cento, valor preditivo negativo de 52,8 por cento e acurácia de 65,1 por cento no diagnóstico de lesöes neoplásicas. Conclusäo - Os dados desta série permitem concluir que a cromoscopia com índigo carmim durante a colonoscopia convencional näo é método confiável no diagnóstico diferencial in loco do tipo histológico dos pólipos colônicos

[Colonic polyps diagnosis by conventional video colonoscopes and chromoscopy with indigo carmine dye solution]. / Videocolonoscopia convencional e cromoscopia com índigo carmim no diagnóstico de pólipos colônicos.

BACKGROUND: Magnification colonoscopy and contrast chromoscopy with indigo carmine dye solution have been used to differentiate neoplastic polyps (adenomas and adenocarcinomas) from non-neoplastic (hyperplastic, inflammatory, juvenile) in an attempt to obviate endoscopic polypectomy. On the other hand, little published information exists concerning conventional video colonoscopes and chromoscopy for polyp histology prediction. Aim - To assess usefullness of conventional video colonoscopes and contrast chromoscopy with indigo carmine solution for differential diagnosis of colon polyps. METHODS: In a routine colonoscopy series, we performed chromoscopy with conventional video colonoscopes before endoscopic excision of detected polyps. If a sulcus pattern was observed on the surface of the lesion, it was classified as neoplastic. Polyps were classified as non-neoplastic if no sulcus was detected on its surface. These observations were then compared with histology. RESULTS: In the study period (18 months), we detected 133 polyps in 53 patients. We were able to compare results of histology and chromoscopy in 126 lesions. The sensitivity, specificity, diagnostic accuracy, negative predictive value, and positive predictive value were 56,4%, 79,2%, 65,1%, 52,8%, and 81,5%, respectively. CONCLUSION: On the base of the presented data, we concluded that conventional video colonoscopes and contrast chromoscopy with indigo carmine solution is not a good technique for differential diagnosis of colon polyps.