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  • Lang, H.
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  • 1
    Language: English
    In: Digestive Diseases and Sciences, 2009, Vol.54(12), pp.2763-2764
    Description: Byline: Ines Gockel (1), Hauke Lang (1) Author Affiliation: (1) Department of General and Abdominal Surgery, Johannes Gutenberg-University of Mainz, Mainz, Germany Article History: Registration Date: 25/06/2009 Received Date: 07/06/2009 Accepted Date: 25/06/2009 Online Date: 23/07/2009
    Keywords: Surgery;
    ISSN: 0163-2116
    E-ISSN: 1573-2568
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  • 2
    In: Circulation, 2013, Vol.127(3), pp.417-418
    Description: A 63-year-old man was admitted to our emergency department because of abdominal pain with distension and ischemia of both lower limbs for the past 2 hours. Previously, he had vomited extremely following alcoholic excess and an opulent meal. In his previous history, distal esophageal stenosis was obvious after surgical therapy of Boerhaave syndrome 3.5 years earlier with primary suturing of the distal esophageal perforation and anterior semifundoplication. At clinical examination, the patient presented with stable cardiopulmonary function. The abdomen was massively distended and tender, and both legs were blue, revealing signs of prolonged ischemia with absent palpable pulses of the femoral artery in both groins. Palsy of the legs was not yet apparent. Computed tomography of the chest and abdomen …
    Keywords: Medicine ; Anatomy & Physiology;
    ISSN: 0009-7322
    E-ISSN: 15244539
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  • 3
    Language: English
    In: Expert Review of Anticancer Therapy, 01 April 2011, Vol.11(4), pp.571-578
    Description: There has been much recent debate regarding the best surgical procedure to treat esophageal cancer, in particular with regard to the optimum extent of lymphadenectomy to improve survival while minimizing morbidity. No results obtained by prospective, randomized studies on the comparison of radical esophagectomy and extended lymphadenectomy with limited or less invasive resections following neoadjuvant therapy with regard to perioperative morbidity and prognosis are available to date. Until now, there has been no evidence suggesting the usefulness of sentinel lymph node navigation in esophageal cancers, regardless of the cell type. Furthermore, the question as to the benefits and risks of two-field and three-field lymphadenectomy in esophageal cancer has not yet been conclusively answered. This article will discuss the recent status of lymph node-dissection procedures stage-dependently according to the two different tumor entities and with regard to minimally invasive esophagectomy, including the novel 2010 Tumor, Node, Metastasis-staging system.
    Keywords: Esophageal Cancer ; Individualized Lymph Node Dissection Strategies ; Limited Resection and Limited Lymphadenectomy ; Lymph Node Metastasis ; Minimally Invasive Esophagectomy ; Neoadjuvant Therapy ; Three-Field/Two-Field Lymphadenectomy ; Medicine
    ISSN: 1473-7140
    E-ISSN: 1744-8328
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  • 4
    Language: English
    In: Expert Review of Anticancer Therapy, 01 September 2010, Vol.10(9), pp.1345-1347
    Keywords: Endoscopic Resection ; Endoscopic Submucosal Dissection ; Radical Oncologic Surgery ; Superficial Esophageal Cancer ; Medicine
    ISSN: 1473-7140
    E-ISSN: 1744-8328
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  • 5
    Language: English
    In: Digestive Diseases and Sciences, 2015, Vol.60(12), pp.3536-3544
    Description: Ranking systems and comparisons of quality and performance indicators will be of increasing relevance for complex “high-risk” procedures such as esophageal cancer surgery. The identification of evidence-based standards relevant for key performance indicators in esophageal surgery is essential for establishing monitoring systems and furthermore a requirement to enhance treatment quality. In the course of this review, we analyze the key performance indicators case volume, radicality of resection, and postoperative morbidity and mortality, leading to continuous quality improvement. Ranking systems established on this basis will gain increased relevance in highly complex procedures within the national and international comparison and furthermore improve the treatment of patients with esophageal carcinoma.
    Keywords: Quality management ; Key performance indicators ; Oncologic esophageal surgery ; Ranking systems
    ISSN: 0163-2116
    E-ISSN: 1573-2568
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  • 6
    Language: English
    In: Langenbeck's archives of surgery, January 2012, Vol.397(1), pp.69-74
    Description: The efficacy of Heller myotomy in patients 〉40 years-a significant predictor suggesting a favorable response to pneumatic dilation-has been questioned. The aim of our study was to evaluate the results obtained in patients aged 40 years undergoing minimally invasive surgery (MIS) for achalasia. In January 2008, we established the MIS technique for achalasia in our clinic. In the following period from January 2008 to March 2011, 74 patients underwent primary laparoscopic myotomy for achalasia. The procedure was accomplished with an anterior 180° semifundoplication according to Dor in all patients. The Eckardt score and the Gastrointestinal Quality of Life Index (GQLI) served as outcome measures. The median age of patients was 45.5 years (range, 18-85 years) with a median duration of preoperative achalasia symptoms of 57 months (range, 2-468 months). There were no conversions to open surgery and-except for one patient with a sterile pleural effusion-no postoperative complications. At a median follow-up of 12 months, the preoperative Eckardt score of 7.0 (range, 3-12) was found to be significantly decreased to a median of 2 (range, 0-6; P 40 years, the postoperative Eckardt score obtained in the older patient population was not significantly lower (P = 0.074). There was no statistically significant difference between the two groups with respect to the postoperative GQLI (P = 0.860). Neither gender nor preoperative Botox injection or pneumatic dilation inserted a significant influence on the postoperative clinical outcome (P 〉 0.05). Laparoscopic Heller myotomy for achalasia is associated with a high success rate as the primary therapeutic option and after failure of endoscopic therapy. It can be performed safely and with favorable outcomes also in patients 〉40 years. However, the long-term durability of the procedure remains to be established.
    Keywords: Esophageal Achalasia -- Surgery ; Esophagus -- Surgery ; Laparoscopy -- Methods
    ISSN: 14352443
    E-ISSN: 1435-2451
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  • 7
    Language: English
    In: Journal of Gastrointestinal Surgery, Feb, 2010, Vol.14(1), p.46(12)
    Description: Byline: Ines Gockel (1), Stephan Timm (1), George G. Sgourakis (1), Thomas J. Musholt (1), Andreas D. Rink (1), Hauke Lang (1) Keywords: Myotomy; Achalasia; LES; Laparoscopic myotomy; Heller myotomy Abstract: Introduction Heller myotomy leads to good--excellent long-term results in 90% of patients with achalasia and thereby has evolved to the "first-line" therapy. Failure of surgical treatment, however, remains an urgent problem which has been discussed controversially recently. Materials and Methods A systematic review of the literature was performed to analyze the long-term results of failures after Heller's operation with emphasis on treatment by remedial myotomy. Discussion Other reinterventions and their causes after failure of surgical treatment in patients with achalasia are discussed. Author Affiliation: (1) Department of General and Abdominal Surgery, Johannes Gutenberg-University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany Article History: Registration Date: 25/08/2009 Received Date: 29/04/2009 Accepted Date: 25/08/2009 Online Date: 24/10/2009
    Keywords: Surgery -- Analysis
    ISSN: 1091-255X
    E-ISSN: 18734626
    Source: Cengage Learning, Inc.
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  • 8
    Language: English
    In: Expert Review of Anticancer Therapy, 01 April 2011, Vol.11(4), pp.601-612
    Description: Lymph node status is the most important single prognostic factor in esophageal cancer. The detection of involved lymph nodes is therefore the key to cure. This article will provide a meta-analysis and metaregression analysis on the diagnostic performances of current lymph node-detection devices; discuss the recent status of the sentinel lymph node concept in esophageal cancer by the two sentinel node-mapping procedures (the radio-guided and the blue dye techniques) and the developing computed tomography (CT) lymphography; discuss the detection of micrometastases; and the potential clinical application of molecular-based patients' profiles. Combined use of endoscopic ultrasonography fine-needle aspiration and CT significantly improves the diagnostic performance for regional lymph node metastases. Endoscopic ultrasonography is highly sensitive and specific for celiac lymph node metastases, while CT should mostly be performed in order to exclude other abdominal lymph node metastases. Sentinel lymph node navigation may be feasible for cT1N0 or cT2N0 esophageal cancer, and immunohistochemical staining of micrometastatic disease might be feasible in combination with this modality.
    Keywords: Esophageal Cancer ; Imaging Devices ; Lymph Node Metastasis ; Meta-Analysis ; Micrometastasis ; Molecular Markers ; Sentinel Lymph Node Navigation ; Systematic Review ; Medicine
    ISSN: 1473-7140
    E-ISSN: 1744-8328
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  • 9
    In: International Journal of Cancer, 01 July 2015, Vol.137(1), pp.230-237
    Description: Neoadjuvant multimodality treatment is frequently applied to improve the poor prognosis of locally advanced adenocarcinomas of the gastroesophageal junction. This study aimed to asses if serum microRNA profiles are useable as response indicators in this therapeutic setting. Fifty patients with locally advanced adenocarcinomas of the gastroesophageal junction were included in the study. All patients received neoadjuvant therapy and subsequently underwent surgical resection. Histomorphologic regression was defined as major histopathological response when resected specimens contained less than 10% vital residual tumor cells. Circulating RNA was isolated from pretherapeutic/post‐neoadjuvant blood serum samples. RNA from nine patients was applied to PCR microarray analyses Based on these findings possible predictive miRNA markers were validated by quantitative RT‐PCR analyses. Depending on the histomorphologic regression, a differential serum microRNA profile was identified by microarray analyses. Based on the divergent miRNA pattern, miR‐21, miR‐192, miR‐222, miR‐302c, miR‐381 and miR‐549 were selected for further validation. During neoadjuvant therapy, there was a significant increase of miR 222 and miR‐549. Although on an expanded patient cohort, the six microRNAs could not be validated as markers for therapy response, there was a significant correlation between a high miR‐192 and miR‐222 expression with a high T‐category as well as miR‐302c and miR‐222 expression significantly correlated with overall survival. Comprehensive miRNA profiling showed a differential microRNA expression pattern depending on the histomorphologic regression in the multimodality therapy of locally advanced adenocarcinomas of the gastroesophageal junction. Moreover, using single RT‐PCR analyses a prognostic impact of miR‐222 and miR‐302c was detected. What's New? Advanced esophageal cancer is increasingly treated through combinations of therapeutic approaches, including neoadjuvant therapies. But only certain subsets of patients benefit from multimodal strategies, which has created a need for tools capable of predicting patient response. Potential, non‐invasive predictive markers include miRNAs. From microarray analyses, the authors of the present study were able to identify differential serum miRNA profiles among patients with advanced esophageal adenocarcinoma who received neoadjuvant therapy. Of six miRNAs selected for validation, two were found to be of potential prognostic significance. The findings warrant further investigation of the markers in studies with larger patient populations.
    Keywords: DNA Microarrays – Analysis ; Antineoplastic Agents – Analysis ; Microrna – Analysis;
    ISSN: 0020-7136
    E-ISSN: 1097-0215
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  • 10
    Language: English
    In: World journal of gastroenterology, 07 March 2013, Vol.19(9), pp.1424-37
    Description: To investigate potential therapeutic recommendations for endoscopic and surgical resection of T1a/T1b esophageal neoplasms. A thorough search of electronic databases MEDLINE, Embase, Pubmed and Cochrane Library, from 1997 up to January 2011 was performed. An analysis was carried out, pooling the effects of outcomes of 4241 patients enrolled in 80 retrospective studies. For comparisons across studies, each reporting on only one endoscopic method, we used a random effects meta-regression of the log-odds of the outcome of treatment in each study. "Neural networks" as a data mining technique was employed in order to establish a prediction model of lymph node status in superficial submucosal esophageal carcinoma. Another data mining technique, the "feature selection and root cause analysis", was used to identify the most important predictors of local recurrence and metachronous cancer development in endoscopically resected patients, and lymph node positivity in squamous carcinoma (SCC) and adenocarcinoma (ADC) separately in surgically resected patients. Endoscopically resected patients: Low grade dysplasia was observed in 4% of patients, high grade dysplasia in 14.6%, carcinoma in situ in 19%, mucosal cancer in 54%, and submucosal cancer in 16% of patients. There were no significant differences between endoscopic mucosal resection and endoscopic submucosal dissection (ESD) for the following parameters: complications, patients submitted to surgery, positive margins, lymph node positivity, local recurrence and metachronous cancer. With regard to piecemeal resection, ESD performed better since the number of cases was significantly less [coefficient: -7.709438, 95%CI: (-11.03803, -4.380844), P 〈 0.001]; hence local recurrence rates were significantly lower [coefficient: -4.033528, 95%CI: (-6.151498, -1.915559), P 〈 0.01]. A higher rate of esophageal stenosis was observed following ESD [coefficient: 7.322266, 95%CI: (3.810146, 10.83439), P 〈 0.001]. A significantly greater number of SCC patients were submitted to surgery (log-odds, ADC: -2.1206 ± 0.6249 vs SCC: 4.1356 ± 0.4038, P 〈 0.05). The odds for re-classification of tumor stage after endoscopic resection were 53% and 39% for ADC and SCC, respectively. Local tumor recurrence was best predicted by grade 3 differentiation and piecemeal resection, metachronous cancer development by the carcinoma in situ component, and lymph node positivity by lymphovascular invasion. With regard to surgically resected patients: Significant differences in patients with positive lymph nodes were observed between ADC and SCC [coefficient: 1.889569, 95%CI: (0.3945146, 3.384624), P 〈 0.01). In contrast, lymphovascular and microvascular invasion and grade 3 patients between histologic types were comparable, the respective rank order of the predictors of lymph node positivity was: Grade 3, lymphovascular invasion (L+), microvascular invasion (V+), submucosal (Sm) 3 invasion, Sm2 invasion and Sm1 invasion. Histologic type (ADC/SCC) was not included in the model. The best predictors for SCC lymph node positivity were Sm3 invasion and (V+). For ADC, the most important predictor was (L+). Local tumor recurrence is predicted by grade 3, metachronous cancer by the carcinoma in-situ component, and lymph node positivity by L+. T1b cancer should be treated with surgical resection.
    Keywords: Adenocarcinoma ; Controversies in Treatment ; Deep Third Submucosal Layer ; Dysplasia ; Endoscopic Gastrointestinal Surgery ; Endoscopic Gastrointestinal Surgical Procedures ; Endoscopic Resection ; Esophageal Cancer ; Lymph Node Dissection ; Lymphatic Invasion ; Middle Third Submucosal Layer ; Mucosal Infiltration ; Recurrent Tumor ; Squamous Cell Carcinoma ; Submucosal Involvement ; Submucosal Layer ; Superficial Esophageal Cancer ; Superficial Submucosal Layer ; Vascular Invasion ; Esophagoscopy ; Carcinoma -- Surgery ; Esophageal Neoplasms -- Surgery ; Esophagectomy -- Methods
    ISSN: 10079327
    E-ISSN: 2219-2840
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