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1.
Dis Esophagus ; 34(10)2021 Oct 11.
Artigo em Inglês | MEDLINE | ID: mdl-33575739

RESUMO

BACKGROUND: Many factors may play a role in the severity and progression of gastroesophageal reflux disease (GERD) since pathophysiology is multifactorial. Data regarding the progression of GERD are controversial: some reports of increased esophageal acid exposure (EAE) and mucosal damage were considered as evidence for a stable disease course, while others interprete these findings as disease progression. The aim of this study is to analyze a large patient-population with persisting symptoms indicative of GERD under protonpumpinhibitor-therapy and identify components characterizing disease severity and progression. METHODS: Patients with symptoms indicative of GERD were included in the study in a tertiary referral center (Frankfurt, Germany). All selected patients were under long-term protonpumpinhibitor-therapy with persistant symptoms. All patients underwent investigations to collect data on their physical status, EAE, severity of esophagitis, anatomical changes, and esophageal functional defects as well as their relation to the duration of the disease. Incidence over time was plotted as survival curves and tested with Log-rank tests for the four main disease markers. Multivariate modeling with COX-regression model was used to estimate the general impact of the four main disease markers on the time course of the disease. In order to elucidate possible causal relationships over time, a path analysis (structural equation model) was calculated. RESULTS: From the database with 1480 data sets, 972 patients were evaluated (542 males, 430 females). The mean age was 50.5 years (range18-89). The mean body mass index was 27.2(19-48). The mean time between the onset of symptoms and the diagnostic investigations was 8.2 years (1-50). A longer disease history for GERD was significantly associated with a higher risk for LES-incompetence. The mean duration from symptom onset to the time of clinical investigation was 9 years for patients with LES-incompetence (n = 563), compared to a mean of 6 years for those with mechanically intact LES (n = 95). A longer period from symptom onset to diagnostics was significantly associated with higher acid exposure. The pathway analysis was significant for the following model: 'history' (P < 0.001➔LES-incompetence & Hiatal Hernia➔(p < 0,001)➔pH-score (P < 0.001).Conclusion: LES-incompetence, the functional deterioration of the LES, and the anatomical alteration at the esophagogastric junction (Hiatal Hernia) as well as an increased EAE were associated with a long history of suffering from GERD. Path modeling suggests a causal sequence overtime of the main disease-parameters, tentatively allowing for a prediction of the course of the disease.


Assuntos
Refluxo Gastroesofágico , Hérnia Hiatal , Progressão da Doença , Junção Esofagogástrica , Feminino , Humanos , Masculino , Manometria , Pessoa de Meia-Idade
3.
Dis Esophagus ; 11(1): 1-27, 2017 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-29040490

RESUMO

The increasing incidence of adenocarcinoma of the lower esophagus and cardia arising in Barrett's metaplastic epithelium continues to be of great concern because medical and surgical efforts to reverse the process have been disappointing. A potential answer to the problem is removal of the metaplastic epithelium. Modern technology has introduced physical and chemical modalities which facilitate ablation of the neo-epithelium endoscopically. These techniques have been used in several centers, and preliminary results are encouraging. This report summarizes the proceedings of an international symposium on ablative therapy held in Brittany, France in August 1997.Twenty-eight speakers contributed to the talks on the pathology, pathogenesis, current therapy experimental studies and clinical experience of ablation of Barrett's esophagus.


Assuntos
Técnicas de Ablação , Adenocarcinoma/prevenção & controle , Esôfago de Barrett/patologia , Esôfago de Barrett/terapia , Neoplasias Esofágicas/prevenção & controle , Refluxo Gastroesofágico/complicações , Adenocarcinoma/epidemiologia , Adenocarcinoma/genética , Animais , Coagulação com Plasma de Argônio , Esôfago de Barrett/genética , Esôfago de Barrett/prevenção & controle , Modelos Animais de Doenças , Cães , Neoplasias Esofágicas/epidemiologia , Neoplasias Esofágicas/genética , Fundoplicatura , Refluxo Gastroesofágico/tratamento farmacológico , Refluxo Gastroesofágico/cirurgia , Humanos , Lasers de Estado Sólido/uso terapêutico , Fotoquimioterapia , Inibidores da Bomba de Prótons/uso terapêutico , Ratos
4.
Dis Esophagus ; 28(4): 305-11, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-24612509

RESUMO

Antireflux surgery with a magnetic sphincter augmentation device (MSAD) restores the competency of the lower esophageal sphincter with a device rather than a tissue fundoplication. As a regulated device, safety information from the published clinical literature can be supplemented by tracking under the Safe Medical Devices Act. The aim of this study was to examine the safety profile of the MSAD in the first 1000 implanted patients. We compiled safety data from all available sources as of July 1, 2013. The analysis included intra/perioperative complications, hospital readmissions, procedure-related interventions, reoperations, and device malfunctions leading to injury or inability to complete the procedure. Over 1000 patients worldwide have been implanted with the MSAD at 82 institutions with median implant duration of 274 days. Event rates were 0.1% intra/perioperative complications, 1.3% hospital readmissions, 5.6% endoscopic dilations, and 3.4% reoperations. All reoperations were performed non-emergently for device removal, with no complications or conversion to laparotomy. The primary reason for device removal was dysphagia. No device migrations or malfunctions were reported. Erosion of the device occurred in one patient (0.1%). The safety analysis of the first 1000 patients treated with MSAD for gastroesophageal reflux disease confirms the safety of this device and the implantation technique. The overall event rates were low based on data from 82 institutions. The MSAD is a safe therapeutic option for patients with chronic, uncomplicated gastroesophageal reflux disease.


Assuntos
Esfíncter Esofágico Inferior/cirurgia , Refluxo Gastroesofágico/cirurgia , Magnetoterapia/instrumentação , Próteses e Implantes/estatística & dados numéricos , Transtornos de Deglutição/epidemiologia , Transtornos de Deglutição/etiologia , Remoção de Dispositivo/estatística & dados numéricos , Análise de Falha de Equipamento , Segurança de Equipamentos , Humanos , Readmissão do Paciente/estatística & dados numéricos , Complicações Pós-Operatórias/epidemiologia , Próteses e Implantes/efeitos adversos , Reoperação/estatística & dados numéricos
5.
Dis Esophagus ; 27(1): 1-4, 2014 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23387392

RESUMO

Esophageal strictures secondary to caustic ingestion, head and neck radiation and at the anastomosis post-esophagectomy tend to be refractory to one or several dilatations. One option for these strictures is home self-dilatation. The aim of this study was to assess the efficacy and safety of home self-dilatation for a refractory esophageal stricture. A retrospective chart review was performed of all patients from 1997 to 2009 that performed home self-dilatation for an esophageal stricture. Patients with proximal strictures without tortuosity or a shelf proximal to the stricture were selected for self-dilatation. The patients were taught self-dilatation by the surgeon and an experienced nurse, and an appropriate sized Maloney dilator was provided to the patient and returned when no longer needed. There were 16 patients (11 male and 5 female) with a median age of 60 years (range 38-78). The stricture was related to the anastomosis after esophagectomy in 12 patients, caustic injury in 3 patients and cervical chemoradiotherapy in 1 patient. Prior to initiation of self-dilatation patients had a median of four endoscopic dilatations. Self-dilatation was done with a Maloney dilator ranging in size from 45 to 60 French. The median duration of self-dilatation was 16 weeks. No patient had a perforation or complication related to self-dilatation. No patient required stenting or repetitive endoscopic dilatations because of failure of self-dilatation. Strictures recurred in two patients after cessation of self-dilatation and both responded to endoscopic dilatation followed by additional self-dilatation. Self-dilatation effectively resolves refractory esophageal strictures. It was well tolerated, and there were no complications in this series. Home self-dilatation should be considered the treatment of choice in appropriate patients with refractory esophageal strictures in the cervical esophagus.


Assuntos
Dilatação/métodos , Estenose Esofágica/terapia , Complicações Pós-Operatórias/terapia , Autocuidado/métodos , Adulto , Idoso , Anastomose Cirúrgica , Queimaduras Químicas/complicações , Quimiorradioterapia/efeitos adversos , Estudos de Coortes , Estenose Esofágica/etiologia , Esofagectomia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento
6.
Dis Esophagus ; 24(6): 423-9, 2011 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-21309918

RESUMO

The necessity of pyloroplasty after esophagectomy and gastric pull-up is debated. Disadvantages of a standard pyloroplasty include the potential for leak, shortening of the length of the graft, and complexity when done during a minimally invasive procedure. The aim of this study is to report our experience with a novel internal pyloroplasty technique using a circular stapler (CS pyloroplasty), which is applicable for both laparoscopic and open esophagectomy. The records of all patients who underwent an esophagectomy with gastric pull-up and pyloroplasty between 2002 and 2007 were reviewed. The CS pyloroplasty was performed through a lesser curve gastrotomy with a 21-mm CS, while the standard pyloroplasty entailed a longitudinal full thickness incision through the pylorus with mucosal closure in the same direction and a Graham patch. A CS pyloroplasty was performed in 144 and a standard pyloroplasty in 133 patients. The median patient age was 66years, and the median follow-up was 17months, and was similar for both types of pyloroplasty. Routine postoperative videoesophagram was significantly more likely to show a delay in contrast transit through the pylorus after standard pyloroplasty (16% standard vs. 8% CS pyloroplasty, P= 0.03). Significantly more patients had postoperative endoscopy after standard pyloroplasty (40% standard vs. 24% CS pyloroplasty, P= 0.004), but the frequency of pyloric dilatation was similar. There were no leaks with either technique. A circular stapled pyloroplasty is as efficacious as a standard pyloroplasty after esophagectomy with gastric pull-up. Potential advantages include the ease and simplicity of the procedure along with virtually no risk of a leak and no graft shortening. The technique is amenable to both open and minimally invasive procedures.


Assuntos
Neoplasias Esofágicas/cirurgia , Piloro/cirurgia , Técnicas de Sutura , Idoso , Transtornos de Deglutição/etiologia , Esofagectomia/efeitos adversos , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estômago/transplante , Técnicas de Sutura/efeitos adversos , Técnicas de Sutura/instrumentação
7.
Dis Esophagus ; 24(7): 516-22, 2011 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-21309924

RESUMO

The etiology and significance of cardia intestinal metaplasia (CIM) is disputed. CIM may represent a form of Barrett's esophagus due to reflux or could reflect generalized gastric intestinal metaplasia due to Helicobacter pylori. The aim of this study was to utilize gene expression data to compare CIM to Barrett's and gastric intestinal metaplasia. Endoscopic biopsies were classified by endoscopic and histologic criteria as CIM (n= 33), Barrett's (n= 25), or gastric intestinal metaplasia of the antrum or body (n= 18). The squamocolumnar and gastroesophageal junctions were aligned in CIM patients and patients with diffuse gastric intestinal metaplasia were excluded. H. pylori was tested for in the biopsies of all patients. After laser-capture microdissection, quantitative reverse transcription-polymerase chain reaction (RT-PCR) was used to measure the mRNA expression of a panel of nine genes that has been shown to differentiate Barrett's from other foregut mucosa. Cluster analysis with linear discriminant analysis of the expression data was used to classify each sample into groups based solely on similarity of gene expression. Cluster analysis was performed for three groups (CIM vs. Barrett's vs. gastric intestinal metaplasia) and two groups (CIM + Barrett's vs. gastric intestinal metaplasia). There was no difference in H. pylori infection among groups (P= 0.66). Clustering into three groups resulted in frequent misclassification between CIM and Barrett's while misclassification of gastric intestinal metaplasia was uncommon. The CIM and Barrett's groups were then combined for two group clustering and linear discriminant analysis correctly predicted 95% of CIM and Barrett's samples and 83% of gastric intestinal metaplasia samples based on gene expression alone. In conclusion, the gene expression profiles of CIM and Barrett's esophagus were similar in 95% of biopsies and differed significantly from that of gastric intestinal metaplasia. The indistinguishable gene expression profile of CIM and BE suggests that they may share a common etiology in the majority of patients with a similar biology, and calls into question the perception that CIM is an innocuous process.


Assuntos
Esôfago de Barrett/genética , Cárdia/patologia , Duodeno/patologia , Perfilação da Expressão Gênica , Estômago/patologia , Adulto , Idoso , Feminino , Humanos , Masculino , Metaplasia/genética , Pessoa de Meia-Idade
8.
Ann Surg ; 252(5): 823-30, 2010 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-21037438

RESUMO

INTRODUCTION: Radical esophagectomy is considered the standard therapy for tumors that infiltrate the submucosa of the esophagus (T1b), as the prevalence of lymph node metastases has been reported in up to 40% of these patients. It remains unclear whether radical esophagectomy with extended lymphadenectomy is needed or whether a surgical procedure with only regional lymphadenectomy suffices. The aim of this study was to compare outcomes of patients who underwent esophagectomy for T1b cancer through a transthoracic approach with extended lymphadenectomy (TTE) with those of patients in whom transhiatal esophagectomy (THE) was performed with a regional lymph node dissection. METHODS: Patients who underwent esophagectomy for T1b cancer between 1990 and 2004 and who did not receive (neo)adjuvant therapy were included. Data were collected from prospective databases of 4 centers. In Leuven, Belgium (n = 101), and Los Angeles, CA (n = 31), patients with T1b tumors had been operated on via TTE with extended lymphadenectomy, whereas in Amsterdam (n = 43) and Rotterdam (n = 47), the Netherlands, THE with regional lymphadenectomy had been performed. RESULTS: The 2 patient groups (TTE, n = 132; THE, n = 90) were comparable with regard to age, body mass index, and ASA classification. Operative time was longer in patients who underwent TTE (390 minutes) versus THE (250 minutes) (P < 0.001). The yield of lymph nodes resected was higher in the TTE group (median: 32) versus THE (median: 10) (P < 0.001). Overall morbidity, in-hospital mortality, and length of hospital stay were comparable between both the groups. In the TTE group, 27.3% of complications were classified as major versus 14.4% in the THE group (P < 0.001); however, the reoperation rate was higher after THE (12.2%) versus TTE (3.8%) (P = 0.01). There was no difference in pathological outcomes (infiltration depth, pN stage, pM stage, positive lymph node ratio) between both groups. Overall, 5-year survival (63.4% TTE vs 69.4% THE; P = 0.55) and disease-free 5-year survival (76.9% TTE vs 78.3% THE; P = 0.65) were comparable between both the groups. In patients with N1 disease, disease-free 5-year survival was 49.8% in the TTE group versus 40.0% in the THE group (P = 0.57). CONCLUSIONS: In patients with submucosal esophageal cancer (T1b), TTE with extended lymphadenectomy and THE with regional lymphadenectomy had similar short-term outcome and long-term survival. In the selected group of T1bN1 patients, TTE may be the preferred operative technique because of a potential disease-free survival benefit; in patients with T1bN0 disease, THE with en bloc dissection of the esophagus and regional lymph nodes offers an oncologically safe and less invasive treatment.


Assuntos
Neoplasias Esofágicas/patologia , Neoplasias Esofágicas/cirurgia , Esofagectomia/métodos , Excisão de Linfonodo/métodos , Adulto , Idoso , Idoso de 80 Anos ou mais , Distribuição de Qui-Quadrado , Neoplasias Esofágicas/mortalidade , Feminino , Mortalidade Hospitalar , Humanos , Tempo de Internação/estatística & dados numéricos , Metástase Linfática , Masculino , Pessoa de Meia-Idade , Invasividade Neoplásica , Estadiamento de Neoplasias , Modelos de Riscos Proporcionais , Estudos Prospectivos , Reoperação/estatística & dados numéricos , Estatísticas não Paramétricas , Taxa de Sobrevida , Resultado do Tratamento
9.
Dis Esophagus ; 23(8): 666-9, 2010 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-20545967

RESUMO

Because of changes in life expectancy, there is an increasing number of elderly patients with esophageal cancer. The aim of this study was to assess the outcome of esophagectomy for cancer in patients 80 years or older. A retrospective review was performed of the records of all patients who underwent esophagectomy for cancer from 1992 to 2007. A cardiac and pulmonary evaluation was obtained on an individual basis in the younger patients and in all octogenarians. Among 560 patients with esophagectomy for cancer, 47 patients (8%) were octogenarians. The median age of the younger group (n= 513) was 63 years (interquartile range 56-71). Octogenarians had significantly more stage III disease (49% vs 31%, P= 0.02) but received less neoadjuvant therapy than younger patients (2% vs 21%, P= 0.0004). In octogenarians, the transhiatal resection was more common than in the younger group (79% vs 36%, P < 0.0001). Weight loss prior to surgery was similar in both groups, but body mass index was significantly lower in octogenarians (25 vs 28 kg/m(2) , P= 0.0002). Major complications occurred in 26% in octogenarians and 31% in the younger group (P= 0.51). Hospital mortality was similar (9% for octogenarians vs 4% in the younger group, P= 0.13). The median postoperative hospital stay was similar at 16 days (P= 0.69). There was no difference in cancer-related survival (median survival 48.9 vs 59.3 months, P= 0.31 log-rank test). Esophagectomy can be performed safely in carefully selected octogenarians with good cardiac and pulmonary function. Patients should not be denied an esophagectomy based only on their age.


Assuntos
Adenocarcinoma/fisiopatologia , Adenocarcinoma/terapia , Neoplasias Esofágicas/fisiopatologia , Neoplasias Esofágicas/terapia , Esofagectomia , Avaliação de Estado de Karnofsky , Adenocarcinoma/mortalidade , Adenocarcinoma/patologia , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Índice de Massa Corporal , Pesquisa Comparativa da Efetividade , Neoplasias Esofágicas/mortalidade , Neoplasias Esofágicas/patologia , Esofagectomia/efeitos adversos , Testes de Função Cardíaca , Humanos , Pessoa de Meia-Idade , Terapia Neoadjuvante/efeitos adversos , Estadiamento de Neoplasias , Complicações Pós-Operatórias , Testes de Função Respiratória , Estudos Retrospectivos , Taxa de Sobrevida , Resultado do Tratamento
10.
J Gastrointest Surg ; 13(8): 1422-9, 2009 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-19421822

RESUMO

INTRODUCTION: Identifying gastroesophageal reflux disease as the cause of respiratory and laryngeal complaints is difficult and depends largely on the measurements of increased acid exposure in the upper esophagus or ideally the pharynx. The current method of measuring pharyngeal pH environment is inaccurate and problematic due to artifacts. A newly designed pharyngeal pH probe to avoid these artifacts has been introduced. The aim of this study was to use this probe to measure the pharyngeal pH environment in normal subjects and establish pH thresholds to identify abnormality. METHODS: Asymptomatic volunteers were studied to define the normal pharyngeal pH environment. All subjects underwent esophagram, esophageal manometry, upper and lower esophageal pH monitoring with a dual-channel pH catheter and pharyngeal pH monitoring with the new probe. Analyses were performed at 0.5 pH intervals between pH 4 and 6.5 to identify the best discriminating pH threshold and calculate a composite pH score to identify an abnormal pH environment. RESULTS: The study population consisted of 55 normal subjects. The pattern of pharyngeal pH environment was significantly different in the upright and supine periods and required different thresholds. The calculated discriminatory pH threshold was 5.5 for upright and 5.0 for supine periods. The 95th percentile values for the composite score were 9.4 for upright and 6.8 for supine. CONCLUSION: A new pharyngeal pH probe which detects aerosolized and liquid acid overcomes the artifacts that occur in measuring pharyngeal pH with existing catheters. Discriminating pH thresholds were selected and normal values defined to identify patients with an abnormal pharyngeal pH environment.


Assuntos
Cateterismo/instrumentação , Monitoramento do pH Esofágico/instrumentação , Esôfago/metabolismo , Refluxo Gastroesofágico/diagnóstico , Laringe/metabolismo , Adolescente , Adulto , Idoso , Desenho de Equipamento , Refluxo Gastroesofágico/metabolismo , Humanos , Concentração de Íons de Hidrogênio , Manometria , Pessoa de Meia-Idade , Postura/fisiologia , Pressão , Valores de Referência , Reprodutibilidade dos Testes , Adulto Jovem
11.
Dis Esophagus ; 22(6): E17-20, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19021685

RESUMO

A 75-year-old male with a long history of gastroesophageal reflux symptoms developed adenocarcinoma proximally within a long segment of Barrett's esophagus. He was taken for esophagectomy and gastric pull-up, but intraoperatively, he was found to have a marginal blood supply in the gastric tube. A temporary left-sided esophagostomy was created with the gastric tube sutured to the left sternocleidomastoid muscle in the neck. Pathology showed an intramucosal adenocarcinoma, limited to the muscularis mucosa with surrounding high-grade dysplasia and intestinal metaplasia. The proximal esophageal margin showed no tumor cells, but there was low-grade dysplasia within Barrett's esophagus. He was reconstructed after several months, and 2 years after reconstruction, the patient noticed a nodule at the former esophagostomy site. Biopsy revealed an implant metastasis of esophageal adenocarcinoma. Here, we review the literature and discuss the possible etiology.


Assuntos
Adenocarcinoma/patologia , Neoplasias Esofágicas/patologia , Esofagostomia , Recidiva Local de Neoplasia/patologia , Idoso , Esôfago de Barrett/patologia , Esofagostomia/métodos , Humanos , Masculino , Mucosa/patologia , Inoculação de Neoplasia
12.
J Thorac Cardiovasc Surg ; 135(6): 1228-36, 2008 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-18544359

RESUMO

OBJECTIVE: Neoadjuvant therapy is commonly used for esophageal adenocarcinoma. We have reported reduced local recurrence rates and improved survival after an en bloc esophagectomy compared with a transhiatal resection as primary therapy for adenocarcinoma of the esophagus. The aim of this study was to determine whether the benefits of an en bloc resection would extend to patients after neoadjuvant therapy. METHODS: The charts of all patients with esophageal adenocarcinoma that had neoadjuvant therapy and en bloc or transhiatal esophagectomy from 1992-2005 were reviewed. Patients found to have systemic metastatic disease at the time of the operation or who had an incomplete resection were excluded. RESULTS: There were 58 patients: 40 had an en bloc resection and 18 had a transhiatal esophagectomy. A complete pathologic response occurred in 17 (29.3%) of 58 patients. Median follow-up was 34.1 months after en bloc resection and 18.3 months after transhiatal resection (P = .18). Overall survival at 5 years and survival in patients with residual disease after neoadjuvant therapy was significantly better with an en bloc resection (overall survival: 51% for en bloc resection and 22% for transhiatal resection [P = .04]; survival with residual disease: 48% for en bloc resection and 9% for transhiatal resection [P = .02]). Survival in patients with complete pathologic response tended to be better after an en bloc resection (en bloc, 70%; transhiatal, 43%; P = .3). CONCLUSION: An en bloc resection provides a survival advantage to patients after neoadjuvant therapy compared with a transhiatal resection, particularly for those with residual disease. Similar to patients treated with primary resection, an en bloc esophagectomy is the procedure of choice after neoadjuvant therapy.


Assuntos
Adenocarcinoma/cirurgia , Neoplasias Esofágicas/cirurgia , Esofagectomia/mortalidade , Esofagectomia/métodos , Recidiva Local de Neoplasia/epidemiologia , Recidiva Local de Neoplasia/prevenção & controle , Adenocarcinoma/tratamento farmacológico , Adenocarcinoma/mortalidade , Adenocarcinoma/patologia , Distribuição por Idade , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Estudos de Coortes , Diafragma/cirurgia , Neoplasias Esofágicas/tratamento farmacológico , Neoplasias Esofágicas/mortalidade , Neoplasias Esofágicas/patologia , Feminino , Seguimentos , Humanos , Imuno-Histoquímica , Incidência , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Terapia Neoadjuvante , Recidiva Local de Neoplasia/patologia , Estadiamento de Neoplasias , Complicações Pós-Operatórias/mortalidade , Estudos Retrospectivos , Medição de Risco , Distribuição por Sexo , Análise de Sobrevida , Toracotomia/métodos , Resultado do Tratamento
13.
Eur Surg Res ; 40(3): 273-8, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18219202

RESUMO

AIM: To assess plasma DNA changes intraoperatively, to relate plasma DNA to the magnitude of the surgical insult and to monitor the changes during the postoperative recovery period. MATERIAL AND METHOD: Prospective study of 35 patients with esophageal cancer who had esophagectomy of different magnitudes: 19 esophagectomy without thoracotomy and 16 esophagectomy with thoracotomy. The plasma DNA was measured prior to surgery, throughout the course of the operation on four different intervals, and on postoperative days 1, 3, 5, and 7. RESULTS: A significant difference was seen in the median plasma DNA intraoperatively between the two groups: esophagectomy without thoracotomy, 507 ng/ml/min (range 211-2,708), esophagectomy with thoracotomy, median 1,098 ng/ml/min (range 295-22,284; p = 0.014). Postoperative complications were identified in 6 patients who demonstrated a significant elevation in plasma DNA on postoperative days 5 and 7. CONCLUSION: Plasma DNA increases during surgery as a result of cell damage and the rise correlates with the magnitude of surgery. The descent of plasma DNA postoperatively correlates with surgical recovery. Elevation of the plasma DNA during the postoperative period correlates with postoperative complications. Plasma DNA is an objective molecular marker of surgical insult and can be used to monitor postoperative recovery after esophagectomy.


Assuntos
DNA/sangue , Neoplasias Esofágicas/sangue , Esofagectomia/efeitos adversos , Toracotomia/efeitos adversos , Idoso , Idoso de 80 Anos ou mais , Biomarcadores/sangue , Biomarcadores Tumorais , Neoplasias Esofágicas/cirurgia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/sangue , Complicações Pós-Operatórias/reabilitação , Período Pós-Operatório , Resultado do Tratamento
14.
Dis Esophagus ; 20(5): 453-4, 2007.
Artigo em Inglês | MEDLINE | ID: mdl-17760662

RESUMO

Fibrovascular polyps of the esophagus are rare, with only 110 cases reported in the world literature to date. Dysphagia is the most common symptom. The diagnosis is usually made by barium swallow or upper endoscopy, but almost a third of cases can be missed with these studies. Treatment is surgical. Only four cases in the literature underwent esophagectomy for removal. We present a female patient with a fibrovascular polyp of the esophagus who required a transhiatal esophagectomy to safely remove this mass.


Assuntos
Doenças do Esôfago/cirurgia , Esofagectomia , Pólipos/cirurgia , Transtornos de Deglutição/etiologia , Doenças do Esôfago/diagnóstico , Feminino , Humanos , Pessoa de Meia-Idade , Pólipos/diagnóstico
15.
Dis Esophagus ; 19(4): 260-6, 2006.
Artigo em Inglês | MEDLINE | ID: mdl-16866857

RESUMO

The molecular pathogenesis of Barrett's esophagus is poorly understood. Evidence suggests that at a phenotypic level, the metaplastic process begins with the transformation of squamous epithelium in the distal esophagus to cardiac mucosa, which subsequently becomes intestinalized. The homeobox gene Cdx-2 has been shown to be an important transcriptional regulator of embryonic differentiation and maintenance of adult intestinal type epithelium. We hypothesized that Cdx-2 gene expression levels increase with the phenotypic transformation of normal squamous mucosa to the intestinalized columnar mucosa of Barrett's esophagus. Endoscopic biopsies were obtained at the gastroesophageal junction in patients with symptoms of gastroesophageal reflux disease and classified according to histology: normal squamous mucosa (n = 62), cardiac mucosa (n = 19), oxynto-cardiac mucosa (n = 14), and intestinal metaplasia (n = 15). Duodenal biopsies (n = 26) served as the columnar control. After laser capture microdissection and RNA isolation, gene expression levels of Cdx-2 were measured in each tissue type by quantitative reverse transcription polymerase chain reaction. Consistent with its known function, Cdx-2 gene expression levels were highest in duodenal mucosa and nearly absent in squamous epithelium. There was a stepwise increase in Cdx-2 gene expression from cardiac to Barrett's epithelium (P < 0.001). Expression levels of Cdx-2 in cardiac and oxynto-cardiac mucosa were 40-70 times higher and Barrett's mucosa 400 times higher than that found in squamous epithelium. Relative expression of the homeobox gene Cdx-2, known to induce differentiation of intestinal type epithelium, increases in a stepwise fashion during the phenotypic transformation of distal esophageal squamous mucosa to cardiac columnar mucosa and to the intestinalized columnar mucosa of Barrett's esophagus. Therefore, Cdx-2 may be a potential biomarker to detect the early transition to Barrett's esophagus.


Assuntos
Esôfago de Barrett/genética , Esôfago de Barrett/patologia , Transformação Celular Neoplásica/genética , Junção Esofagogástrica/química , Junção Esofagogástrica/patologia , Mucosa Gástrica/química , Mucosa Gástrica/patologia , Refluxo Gastroesofágico/genética , Refluxo Gastroesofágico/patologia , Proteínas de Homeodomínio/genética , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Animais , Esôfago de Barrett/etiologia , Fator de Transcrição CDX2 , Duodeno/patologia , Neoplasias Esofágicas/etiologia , Esôfago/patologia , Feminino , Refluxo Gastroesofágico/complicações , Expressão Gênica , Marcadores Genéticos , Humanos , Mucosa Intestinal/química , Mucosa Intestinal/patologia , Masculino , Metaplasia , Pessoa de Meia-Idade , Fenótipo , Reação em Cadeia da Polimerase
16.
Surg Endosc ; 20(5): 783-6, 2006 May.
Artigo em Inglês | MEDLINE | ID: mdl-16544080

RESUMO

BACKGROUND: The Bravo catheter-free pH monitoring system uses a capsule attached to the esophageal mucosa to detect acid exposure. Placement of the Bravo capsule is associated with intermittent chest pain in 50% of normal volunteers. The authors hypothesized that chest pain in this setting may be attributable to hypertensive esophageal contractions induced by the Bravo capsule. METHODS: The study population consisted of 40 consecutive patients with reflux symptoms who had stationary esophageal manometry within 1 h after Bravo capsule placement. The control group consisted of 40 patients with symptomatic gastroesophageal reflux disease (GERD) from a population of patients with foregut symptoms who were computer matched to the study group for age, sex, lower esophageal sphincter (LES) pressure, LES length, and 24-h pH composite score. The patients in the control group had manometry before Bravo capsule placement. The occurrence of chest pain was assessed before and during the monitoring period by interview and review of the patient's diary. Mean contraction amplitudes in the distal third of the esophagus after 10 wet swallows were averaged. The prevalence of patients with esophageal contraction amplitudes in the distal third that exceeded the 95th percentile of normal (180 mmHg) and the mean amplitude of distal third esophageal contractions in the study and control populations were compared. In the study group, the incidence of chest pain among the patients with hypercontractility of the esophagus was compared with the incidence among those without hypercontractility. RESULTS: The mean contraction amplitude was higher in the study group (144.7 vs 105.5 mmHg; p = 0.002). The number of patients with a mean distal esophageal contraction amplitude exceeding the 95th percentile of normal also was significantly higher in the study group (13/40 vs 5/40; p = 0.03). A total of 10 patients experienced new onset of chest pain with the Bravo capsule in place, and 6 patients experienced hypertensive esophageal contractions. CONCLUSIONS: The intraesophageal Bravo capsule can cause hypertensive esophageal contractions, which may lead to chest pain.


Assuntos
Dor no Peito/etiologia , Doenças do Esôfago/etiologia , Doenças do Esôfago/fisiopatologia , Refluxo Gastroesofágico/metabolismo , Monitorização Fisiológica/efeitos adversos , Monitorização Fisiológica/instrumentação , Contração Muscular , Prótons , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Casos e Controles , Desenho de Equipamento , Humanos , Concentração de Íons de Hidrogênio , Pessoa de Meia-Idade , Músculo Liso/fisiopatologia
17.
Surg Endosc ; 20(3): 439-43, 2006 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-16437272

RESUMO

BACKGROUND: Identification of high-grade dysplasia (HGD) in Barrett's esophagus has been considered an indication for esophagectomy because of the high risk for coexisting cancer. However, rigorous endoscopic surveillance programs recently have been recommended, reserving esophagectomy for patients whose cancer is identified on biopsy. This approach risks continued surveillance for patients who already have cancer unless reliable markers for the presence of occult cancer are identified. This study aimed to determine the endoscopic, histologic, and demographic features associated with the presence of occult cancer in patients with HGD. METHODS: Endoscopic, histologic, and demographic findings for 31 patients who underwent esophagectomy for HGD were reviewed. The presence of an ulcer, nodule, stricture, or raised area on preoperative endoscopy was noted. The results of endoscopic biopsies taken before resection every 1 to 2 cm along the Barrett's segment were reviewed. The HGD was categorized as unilevel if the dysplasia was limited to one level of biopsy and as multilevel if more than one level was involved. Patients were divided into two groups according to the presence or absence of cancer in the resected specimens, and these variables were compared. RESULTS: The prevalence of coexisting cancer in patients with HGD was 45% (14/31). Of the 31 patients in this study, 9 had a visible lesion. Cancer was found in the resected specimens from 7 (78%) of 9 patients with a visible lesion and 7 (32%) of 22 patients without a visible lesion (p = 0.019). Of 22 patients without a visible lesion, 10 had multilevel and 12 had unilevel HGD. The findings showed that 6 (60%) of 10 patients with multilevel HGD and 1 (8.3%) of 12 patients with unilevel HGD had cancer in the resected esophagus (p = 0.009). CONCLUSION: For patients with HGD, a lesion visible on endoscopy and/or HGD at multiple biopsy levels is associated with an increased risk for coexisting cancer. These patients should be considered for early esophagectomy.


Assuntos
Adenocarcinoma/epidemiologia , Esôfago de Barrett/epidemiologia , Neoplasias Esofágicas/epidemiologia , Adenocarcinoma/diagnóstico , Adenocarcinoma/patologia , Adenocarcinoma/cirurgia , Idoso , Idoso de 80 Anos ou mais , Esôfago de Barrett/patologia , Esôfago de Barrett/cirurgia , Biópsia , Comorbidade , Neoplasias Esofágicas/diagnóstico , Neoplasias Esofágicas/patologia , Neoplasias Esofágicas/cirurgia , Esofagectomia , Esofagoscopia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , Estudos Retrospectivos , Medição de Risco
18.
Surg Endosc ; 20(2): 294-7, 2006 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-16333557

RESUMO

BACKGROUND: The presentation and management of esophageal cancer are changing, as more patients are diagnosed at an earlier stage of the disease in which endoscopic treatment methods may be contemplated. Therefore, we conducted a study to determine whether symptomatic and endoscopic findings can accurately identify node-negative early-stage adenocarcinoma. METHODS: A total of 213 consecutive patients (171 men and 42 women) with resectable esophageal adenocarcinoma seen from 1992 to 2002 were evaluated. None of these patients received neoadjuvant chemotherapy or radiation therapy. Using a multivariable model, model-based probabilities of early-stage disease (T1 im/sm N0) were calculated for each combination of the following three features: no dysphagia as main symptom at presentation, tumor length

Assuntos
Adenocarcinoma/complicações , Adenocarcinoma/diagnóstico , Neoplasias Esofágicas/complicações , Neoplasias Esofágicas/diagnóstico , Esofagoscopia , Adenocarcinoma/patologia , Idoso , Anemia/etiologia , Esôfago de Barrett/etiologia , Transtornos de Deglutição/etiologia , Neoplasias Esofágicas/patologia , Feminino , Refluxo Gastroesofágico/etiologia , Hemorragia Gastrointestinal/etiologia , Humanos , Metástase Linfática , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Dor/etiologia
19.
Surg Endosc ; 19(8): 1093-102, 2005 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-16027986

RESUMO

BACKGROUND: Although rare, graft ischemia and necrosis after esophagectomy is a devastating complication. The aim of this study was to review our experience with early endoscopy for evaluation of the graft and anastomosis after esophagectomy and reconstruction. METHODS: From a population of 479 patients who underwent esophagectomy during the years 1996-2003, we identified 102 patients who had endoscopy within 21 days of operation. RESULTS: Endoscopy was performed a median of 9 days after operation. Graft ischemia, anastomotic leak, or both were found in 63 of the 102 patients. Reoperation was necessary in 27% of these patients, including graft removal in nine patients. In 39 patients, endoscopy demonstrated a healthy graft; only one of these patients (2.6%) required reoperation. No patient with ischemia judged insufficient to warrant graft removal on initial endoscopy subsequently lost their graft. There were no complications or anastomotic injuries associated with early endoscopy. CONCLUSION: Endoscopy early after esophagectomy is safe and provides accurate and reliable identification of graft ischemia that can be used to guide the treatment of these patients.


Assuntos
Esofagectomia/efeitos adversos , Esofagoscopia , Esôfago/cirurgia , Idoso , Anastomose Cirúrgica/efeitos adversos , Esôfago/irrigação sanguínea , Feminino , Humanos , Intestinos/irrigação sanguínea , Intestinos/transplante , Isquemia/diagnóstico , Masculino , Pessoa de Meia-Idade , Cuidados Pós-Operatórios , Complicações Pós-Operatórias/diagnóstico , Complicações Pós-Operatórias/etiologia , Reoperação , Estudos Retrospectivos , Segurança , Fatores de Tempo
20.
Am Surg ; 70(11): 954-8, 2004 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-15586504

RESUMO

During the past decade, we encountered an increasing number of young patients with esophageal adenocarcinoma. It is not clear whether young patients have more aggressive course and worse prognosis. Our aim was to compare clinicopathological characteristics/treatment results of patients with esophageal adenocarcinoma who were < or = 50 and > 50 years of age. We studied 263 consecutive patients with resectable esophageal adenocarcinoma: 32 (12.1%) were < or = 50 years old. Dysphagia was present in 69 per cent of patients < or = 50 years old and in 48 per cent of older patients (P = 0.019). The median duration of dysphagia was 3.5 months in younger patients compared to 2 months in patients > 50 years (P < 0.0001). Seven of 22 (31.8%) young and three of 108 (2.8%) older patients with dysphagia reported dysphagia for > or = 6 months (P < 0.0001). Fifty per cent of younger patients were stage III/IV and > 70 per cent were node positive (P = 0.04 and P = 0.02 vs patients > 50 years, respectively). Five-year survival was 32.6 per cent for < or = 50 years and 45.5 per cent for > 50 years. More than 10 per cent of esophageal adenocarcinoma patients undergoing surgery are now < or = 50 years of age. They usually present with dysphagia, are symptomatic for a longer time before diagnosis, and have more advanced disease compared to older patients. With appropriate aggressive treatment, survival is similar. Liberal use of endoscopy and aggressive diagnostic approach are paramount in young patients with dysphagia/symptoms of gastroesophageal reflux disease (GERD).


Assuntos
Adenocarcinoma/diagnóstico , Neoplasias Esofágicas/diagnóstico , Adenocarcinoma/mortalidade , Adenocarcinoma/patologia , Adenocarcinoma/cirurgia , Neoplasias Esofágicas/mortalidade , Neoplasias Esofágicas/patologia , Neoplasias Esofágicas/cirurgia , Esofagoscopia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
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