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Affiliation(s)
- Matthew J Schuchert
- Heart, Lung, and Esophageal Surgery Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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202
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Quality indicators of surgery for adenocarcinoma of the esophagus and gastroesophageal junction. Recent Results Cancer Res 2010; 182:127-42. [PMID: 20676877 DOI: 10.1007/978-3-540-70579-6_11] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Surgical treatment of adenocarcinoma of the esophagus and gastroesophageal junction is complex and challenging. Huge variation exist in the immediate and long term outcomes of such interventions and it is generally accepted that this is a direct consequence of the experience of the surgical team. However beside surgical quality many other indicators of quality management may influence outcome. Definition of the gastroesophageal junction remains controversial and the performance of staging procedures i.e. CT scan, endoscopy and fine needle aspiration, PET scan still suboptimal. As a result there is disagreement on the selection of patients for surgery, type of surgical approach in particular in relation to the extent of lymph node dissection as well as the extent of esophageal and/or gastric resection. In the design of randomized controlled trials comparing primary surgery versus multimodality treatment surgical quality criteria are notoriously lacking. It therefore remains a matter of debate which patients eventually will benefit from primary surgery versus those who will benefit from induction therapy. A lack of surgical quality indicators is also very prominent when assessing the value of new surgical technologies such as minimally invasive surgery or robotic surgery. Improvements in this wide spectrum of aspects is mandatory and will certainly be of great value to further improve both short and long term outcome after surgery for these complex cancers.
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203
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Yakoub D, Keun HC, Goldin R, Hanna GB. Metabolic profiling detects field effects in nondysplastic tissue from esophageal cancer patients. Cancer Res 2010; 70:9129-36. [PMID: 20884633 DOI: 10.1158/0008-5472.can-10-1566] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The variable rate of missed cancer in endoscopic biopsies and lack of other biomarkers reduce the effectiveness of surveillance programs in esophageal cancer. Based on the "field cancerization" hypothesis that tumors arise within a transformed field with an altered biochemical phenotype, we sought to test if metabolic profiling could differentiate between histologically normal tissue from individuals with and without esophageal cancer. Thirty-five patients with esophageal adenocarcinoma and 52 age-matched controls participated in the study. Using 1H magic angle spinning-nuclear magnetic resonance spectroscopy of intact tissue, we generated metabolic profiles of tumor tissue, proximal histologically normal mucosa from cancer patients (PHINOM), and proximal histologically normal mucosa from a control group. Using multivariate regression and receiver-operator characteristic analysis, we identified a panel of metabolites discriminating malignant and histologically normal tissues from cancer patients and from that of controls. Whereas 26% and 12% of the spectral profile regions were uniquely discriminating tumor or control tissue, respectively, 5% of the profile exhibited a significant progressive change in signal intensity from controls to PHINOM to tumor. Regions identified were assigned to phosphocholine (PC), glutamate (Glu), myo-inositol, adenosine-containing compounds, uridine-containing compounds, and inosine. In particular, the PC/Glu ratio in histologically normal tissue signified the presence of esophageal cancer (n=123; area under the curve, 0.84; P<0.001). In conclusion, our findings support the hypothesis of the presence of metabonomic field effects in esophageal cancer, even in non-Barrett's segments. This indicates that metabolic profiling of tissue can potentially play a role in the surveillance of cancer by reporting on the phenotypic consequences of field cancerization.
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Affiliation(s)
- Danny Yakoub
- Department of Surgery and Cancer, Imperial College London, St. Mary's Hospital, London, United Kingdom
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204
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Zingg U, Montani M, Frey D, Dirnhofer S, Esterman A, Went P, Oertli D. Tumour-infiltrating lymphocytes and survival in patients with adenocarcinoma of the oesophagus. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2010; 36:670-7. [DOI: 10.1016/j.ejso.2010.05.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2009] [Revised: 04/02/2010] [Accepted: 05/04/2010] [Indexed: 10/19/2022]
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The "best operation" for esophageal cancer? Ann Thorac Surg 2010; 89:S2163-7. [PMID: 20494003 DOI: 10.1016/j.athoracsur.2010.03.068] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2010] [Revised: 03/11/2010] [Accepted: 03/12/2010] [Indexed: 01/10/2023]
Abstract
There are several controversies in the surgical management of esophageal cancer including the surgical approach, extent of resection, optimal fields of lymph node dissection, and the ideal location of anastomosis. Optimal surgical treatment strategies must include accurate staging and the selection of an appropriate surgical approach. In addition, other considerations include complete resection, lymph node dissection and evaluation of oncologic and functional outcomes. The objective of this article is to review the literature and discuss our surgical approach to esophageal cancer.
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206
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Noshiro H, Iwasaki H, Kobayashi K, Uchiyama A, Miyasaka Y, Masatsugu T, Koike K, Miyazaki K. Lymphadenectomy along the left recurrent laryngeal nerve by a minimally invasive esophagectomy in the prone position for thoracic esophageal cancer. Surg Endosc 2010; 24:2965-73. [PMID: 20495981 DOI: 10.1007/s00464-010-1072-4] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2009] [Accepted: 03/23/2010] [Indexed: 02/06/2023]
Abstract
BACKGROUND A thoracoabdominal esophagectomy for esophageal cancer is a severely invasive procedure. A thoracoscopic esophagectomy may minimize injury to the chest wall and reduce surgical invasiveness. Conventional thoracoscopic procedures are performed in the left lateral-decubitus position. Recently, procedures performed in the prone position have received more attention because of improvements in operative exposure or surgeon ergonomics. However, the efficacy of the prone position in an aggressive thoracoscopic esophagectomy with an extensive lymphadenectomy has not been fully documented. METHODS We successfully performed a thoracoscopic esophagectomy with a three-field extensive lymphadenectomy in 43 esophageal carcinoma patients in the prone position from December 2007 to December 2009. We describe our procedures with the patients in the prone position, focusing especially on a lymphadenectomy along the left recurrent laryngeal nerve where the nodes are frequently involved and precise dissection is technically challenging. To determine further the advantages of this position, we retrospectively compared surgical outcomes in 43 patients to those of 34 patients who underwent a thoracoscopic esophagectomy in the left lateral decubitus position as a historical control from January 2006 to November 2007. RESULTS It was easier to explore the operative field around the left recurrent laryngeal nerve during a thoracoscopic esophagectomy in the prone position. The mean duration of the aggressive thoracoscopic procedure in the prone position was 307 min, which was significantly longer than in the left lateral decubitus position, but the total estimated blood loss in the prone position was significantly lower. There was no difference in the incidence of postoperative complications between the two procedures. CONCLUSIONS A thoracoscopic esophagectomy in the prone position is technically safe and feasible and provides better surgeon ergonomics and better operative exposure around the left recurrent laryngeal nerve during an aggressive esophagectomy.
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Affiliation(s)
- Hirokazu Noshiro
- Department of Surgery, Faculty of Medicine, Saga University, 5-1-1 Nabeshima, Saga, 849-8501, Japan.
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207
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Pultrum BB, Bosch DJ, Nijsten MWN, Rodgers MGG, Groen H, Slaets JPJ, Plukker JTM. Extended esophagectomy in elderly patients with esophageal cancer: minor effect of age alone in determining the postoperative course and survival. Ann Surg Oncol 2010; 17:1572-80. [PMID: 20180031 PMCID: PMC2868167 DOI: 10.1245/s10434-010-0966-7] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2009] [Indexed: 12/30/2022]
Abstract
BACKGROUND Elderly patients who undergo esophagectomy for cancer often have a high prevalence of coexisting diseases, which may adversely affect their postoperative course. We determined the relationship of advanced age (i.e., > or =70 years) with outcome and evaluated age as a selection criterion for surgery. METHODS Between January 1991 and January 2007, we performed a curative-intent extended transthoracic esophagectomy in 234 patients with cancer of the esophagus. Patients were divided into two age groups: <70 years (group I; 170 patients) and > or =70 years (group II; 64 patients). RESULTS Both groups were comparable regarding comorbidity (American Society of Anesthesiologists classification), and tumor and surgical characteristics. The overall in-hospital mortality rate was 6.2% (group I, 5%, vs. group II, 11%, P = 0.09). Advanced age was not a prognostic factor for developing postoperative complications (odds ratio, 1.578; 95% confidence interval, 0.857-2.904; P = 0.143). The overall number of complications was equal with 58% in group I vs. 69% in group II (P = 0.142). Moreover, the occurrence of complications in elderly patients did not influence survival (P = 0.174). Recurrences developed more in patients <70 years (58% vs. 42%, P = 0.028). The overall 5-year survival was 35%, and, when included, postoperative mortality was 33% in both groups (P = 0.676).The presence of comorbidity was an independent prognostic factor for survival (P = 0.002). CONCLUSIONS Advanced age (> or =70 years) has minor influence on postoperative course, recurrent disease, and survival in patients who underwent an extended esophagectomy. Age alone is not a prognostic indicator for survival. We propose that a radical resection should not be withheld in elderly patients with limited frailty and comorbidity.
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Affiliation(s)
- B B Pultrum
- Department of Surgery/Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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208
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Clinical course and outcome after esophagectomy with three-field lymphadenectomy in esophageal cancer. Langenbecks Arch Surg 2010; 395:341-6. [PMID: 20361205 DOI: 10.1007/s00423-010-0592-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2009] [Accepted: 01/07/2010] [Indexed: 02/06/2023]
Abstract
BACKGROUND Esophagectomy with three-field lymphadenectomy has been performed for esophageal cancer. Detailed analysis of cause of death and mode of recurrence is required to determine the need for further adjuvant therapy and follow-up. MATERIALS AND METHODS A total of 208 patients who underwent esophagectomy through right thoracotomy with three-field lymphadenectomy were enrolled into the present study. Mode of first recurrence was divided into four groups: lymph node, hematogenous, mixed, and local recurrence. RESULTS Excluding 16 hospital deaths, the number of deaths and 5-year survival rates were 104 patients and 7.8% for cancer recurrence, 12 patients and 53.8% for second primary cancers in other organs, and 34 patients and 31.0% for causes of death unrelated to carcinoma. In the 104 patients with relapse, 5-year survival rate of patients was 14.3% with lymph node recurrence (n = 29), 9.1% with hematogenous recurrence (n = 32), 3.1% with mixed recurrence (n = 35), and 12.5% with local recurrence (n = 8). CONCLUSION To improve outcomes for esophagectomy with three-field lymphadenectomy, early detection of recurrent disease and regular examination of the entire body for secondary cancer is necessary.
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209
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Ielpo B, Pernaute AS, Elia S, Buonomo OC, Valladares LD, Aguirre EP, Petrella G, Garcia AT. Impact of number and site of lymph node invasion on survival of adenocarcinoma of esophagogastric junction. Interact Cardiovasc Thorac Surg 2010; 10:704-8. [PMID: 20154347 DOI: 10.1510/icvts.2009.222778] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Lymph node involvement in adenocarcinoma of the esophagogastric junction (EGJ) is similar to that of gastric cancer. The impact on survival of the number and site of lymph nodes involved in a subgroup of patients undergone surgery for adenocarcinoma of EGJ is reported. Sixty-four patients undergone transthoracic esophagectomy with two-field lymphadenectomy for adenocarcinoma of the EGJ were retrospectively assessed. Five-year survival according to AJCC gastric cancer nodal classification and central node invasion was evaluated. In N0 patients survival was assessed in relation to the number of lymph nodes removed. Five-year survival was 72% in N0, 46% in N1 and 0% in N2 and N3 group. Intergroup differences were statistically significant (P<0.05) except between N2 and N3 groups. Overall survival was different depending on the infiltration of distal or proximal site nodes, 23% vs. 58% (P<0.05); in N0 patients it was related to the number of lymph nodes removed (83% >15 vs. 57% <15, P<0.05). Classification of lymph node involvement in adenocarcinoma of the EGJ by gastric cancer criteria is adequate for prognostic purposes. The involvement of distal nodes in all cases and the removal of <15 nodes in N0 group resulted as independent negative predictive factors.
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Affiliation(s)
- Benedetto Ielpo
- General and Thoracic Surgery, Clinico S. Carlos University Hospital, Madrid, Spain
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210
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Enestvedt CK, Perry KA, Kim C, McConnell PW, Diggs BS, Vernon A, O'Rourke RW, Luketich JD, Hunter JG, Jobe BA. Trends in the management of esophageal carcinoma based on provider volume: treatment practices of 618 esophageal surgeons. Dis Esophagus 2010; 23:136-44. [PMID: 19515189 DOI: 10.1111/j.1442-2050.2009.00985.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Controversy exists regarding optimal treatment practices for esophageal cancer. Esophagectomy has received focus as one of the index procedures for both hospital and surgical quality despite a relative paucity of controlled trials to define best practices. A survey was created to determine the degree of heterogeneity in the treatment of esophageal cancer among a diverse group of surgeons and to use high-volume (HV) (>/=15 cases/year) and low-volume (LV) (<15 cases/year) designations to discern specific differences in the management of esophageal cancer from the surgeon's perspective. Based on society rosters, surgeons (n = 4000) in the USA and 15 countries were contacted via mail and queried regarding their treatment practices for esophageal cancer using a 50-item survey instrument addressing demographics, utilization of neoadjuvant chemoradiotherapy, and choice of surgical approach for esophageal resection and palliation. There were 618 esophageal surgeons among respondents (n = 1447), of which 77 (12.5%) were considered HV. The majority of HV surgeons (87%) practiced in an academic setting and had cardiothoracic training, while most LV surgeons were general surgeons in private practice (52.3%). Both HV and LV surgeons favored the hand-sewn cervical anastomosis and the stomach conduit. Minimally invasive esophagectomy is performed more frequently by HV surgeons when compared with LV surgeons (P = 0.045). Most HV surgeons use neoadjuvant therapy for patients with nodal involvement, while LV surgeons are more likely to leave the decision to the oncologist. With a few notable exceptions, substantial heterogeneity exists among surgeons' management strategies for esophageal cancer, particularly when grouped and analyzed by case volume. These results highlight the need for controlled trials to determine best practices in the treatment of this complex patient population.
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Affiliation(s)
- C K Enestvedt
- Department of Surgery, Oregon Health & Science University, Portland, Oregon, USA
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211
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Sendler A. [Tumors of the upper gastro-intestinal tract]. Chirurg 2010; 81:103-6; 108-10. [PMID: 20076935 DOI: 10.1007/s00104-009-1813-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The appropriate extent of lymph node dissection in tumors of the upper gastro-intestinal tract continues to be debated. The basic tenet of surgical oncology that cancerous lymph nodes are indicators not governors of survival is under question and derives from the different theories of metastasis. Is the metastatic flow linear (indicators) or does it occur in parallel to tumorigenesis (governor)? If the latter theory is true there would be only a limited indication for lymphadenectomy (LA).Extended LA leads to an ameliorated staging of the N category. Following LA locoregional tumor control is significantly improved for esophageal and gastric cancer. In case of gastric cancer it is evident that there is a group of patients in which extended LA lead to improved long-term survival. This gain in prognosis affects patients in which lymph node metastasis is not or only slightly advanced. In locally advanced tumors there is no prognostic benefit. Patients who might benefit from the extended procedure cannot be assessed during preoperative staging. Therefore, the indications for the procedure should be liberally carried out by experienced hands and in experienced centers. According to randomized studies there is no indication for extended radical LA in pancreatic cancer.
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212
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Mönig SP, Hölscher AH. Clinical classification systems of adenocarcinoma of the esophagogastric junction. Recent Results Cancer Res 2010; 182:19-28. [PMID: 20676868 DOI: 10.1007/978-3-540-70579-6_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Affiliation(s)
- Stefan Paul Mönig
- Department of General, Visceral and Cancer Surgery, University of Cologne, Joseph-Stelzmann-Strasse 9, 50931, Cologne, Germany.
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213
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Schiesser M, Schneider PM. Surgical strategies for adenocarcinoma of the esophagogastric junction. Recent Results Cancer Res 2010; 182:93-106. [PMID: 20676874 DOI: 10.1007/978-3-540-70579-6_8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
This chapter summarizes the surgical strategies for adenocarcinomas of the distal esophagus, gastric cardia, and subcardial gastric cancer invading the cardia+/-distal esophagus known as adenocarcinomas of the esophagogastric junction (AEG). The different surgical approaches according to the tumor origin, localization, and tumor stage are addressed with particular attention to the extent and type of resection and appropriate lymphadenectomy (LAD). The classification of AEG according to Siewert is helpful for the selection of the surgical strategy. While type I tumors benefit from a transthoracic en bloc esophagectomy including a two-field LAD, type II and III tumors can be treated by an extended total gastrectomy with a transhiatal resection of the distal esophagus and LAD of the lower mediastinum and the abdominal D2 compartment. Limited resections appear to be -possible for early tumor stages in selected cases of type I-III tumors.
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214
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Crehange G, Bonnetain F, Peignaux K, Truc G, Blanchard N, Rat P, Chauffert B, Ghiringhelli F, Maingon P. Preoperative radiochemotherapy for resectable localised oesophageal cancer: a controversial strategy. Crit Rev Oncol Hematol 2009; 75:235-42. [PMID: 20044267 DOI: 10.1016/j.critrevonc.2009.11.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 11/17/2009] [Accepted: 11/27/2009] [Indexed: 01/10/2023] Open
Abstract
Preoperative chemoradiation (P-CRT) remains a controversial strategy in the treatment of squamous cell cancer (SCC) and adenocarcinoma (ADC) of the oesophagus. Until recently, randomised studies mixed the two, often without any distinction. In randomised studies involving exclusively SCC, P-CRT increases the rate of local control, R0 resection, pCR and disease-free survival. The absence of any impact on overall survival may be linked to the toxic effects of this treatment. Meta-analyses have revealed a survival benefit of approximately +13% at 2 years. However, the methodology used was perhaps questionable. Five randomised trials involving ADC patients compared P-CRT with surgery alone. The results were contradictory with insufficient statistical power in selected positive studies to answer this issue once and for all. P-CRT is unsatisfactory as a standard treatment. Although local control rates were increased with P-CRT, it should be considered only for selected patients in selected centres.
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Affiliation(s)
- G Crehange
- Departement of Radiotherapy, Centre GF Leclerc, 1, rue du Pr Marion, 21000 Dijon, France.
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215
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Solomon N, Zhuge Y, Cheung M, Franceschi D, Koniaris LG. The Roles of Neoadjuvant Radiotherapy and Lymphadenectomy in the Treatment of Esophageal Adenocarcinoma. Ann Surg Oncol 2009; 17:791-803. [DOI: 10.1245/s10434-009-0819-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Indexed: 11/18/2022]
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216
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Zingg U, Montani M, Frey D, Dirnhofer S, Went P, Oertli D. Influence of neoadjuvant radio-chemotherapy on tumor-infiltrating lymphocytes in squamous esophageal cancer. Eur J Surg Oncol 2009; 35:1268-72. [DOI: 10.1016/j.ejso.2009.07.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2009] [Revised: 06/30/2009] [Accepted: 07/02/2009] [Indexed: 11/25/2022] Open
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218
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Toh Y, Oki E, Minami K, Okamura T. Evaluation of the feasibility and safety of immediate extubation after esophagectomy with extended radical three-field lymph node dissection for thoracic esophageal cancers. Esophagus 2009. [DOI: 10.1007/s10388-009-0198-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
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219
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Abstract
OBJECTIVE To address the role of lymphadenectomy in the treatment of esophageal cancer. BACKGROUND The role of lymphadenectomy in esophageal cancer surgery is controversial, and there is a lack of uniformity as to what the term means. METHODS The published data was reviewed to evaluate the evidence base for, and the terminology associated with, lymphadenectomy for esophageal cancer. RESULTS Recommendations are given for a standardization of terminology for radical and nonradical lymphadenectomy procedures. Although there is no doubt that the presence of lymph node metastases worsens prognosis for a patient, there is a lack of high-level evidence to support lymphadenectomy. Logically, the best procedure, from a staging and perhaps theoretical oncologic point of view, is a 3-field lymphadenectomy but it is not clear which patients, if any, are most likely to benefit. CONCLUSIONS Well-designed randomized controlled trials are required to test, in a scientific manner, which of these procedures we should be offering our patients.
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220
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Lee PC, Port JL, Paul S, Stiles BM, Altorki NK. Predictors of long-term survival after resection of esophageal carcinoma with nonregional nodal metastases. Ann Thorac Surg 2009; 88:186-92; discussion 192-3. [PMID: 19559222 DOI: 10.1016/j.athoracsur.2009.03.079] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Revised: 03/24/2009] [Accepted: 03/25/2009] [Indexed: 11/28/2022]
Abstract
BACKGROUND Patients with esophageal carcinoma and celiac, cervical, or other nonregional nodal metastases generally have a poor prognosis after surgical resection. Factors predicting long-term survival are unclear. The goal of this study was to analyze factors predicting long-term survival in this subset of patients. METHODS We conducted a retrospective review of a prospective database over a 20-year period to identify patients with resected esophageal carcinoma with nonregional lymph node metastases. Medical records were reviewed and risk factors were analyzed. RESULTS Sixty-seven patients underwent esophagectomy for M1a or M1b disease from 1987 to 2007. Esophagectomy was transthoracic in 62 patients and transhiatal in 5. The median number of lymph nodes harvested was 36. Sites of nodal metastases were the following: recurrent nodal chain in 42 patients, celiac in 20, both recurrent and celiac in 4, and paratracheal in 1. Median length of follow-up was 66 months. The 5-year overall survival for the entire cohort was 25%. The 5-year overall survival was significantly higher with earlier T-status, (pathologic tumor [pT]1/T2 vs pT3/T4; 62% vs 15%, p = 0.006). Thirteen patients who had nonregional nodal metastases without involvement of regional nodes (pN0) had a significant improvement in 5-year survival (67% vs 15%; p < 0.001). Patients with squamous cell carcinomas had higher 5-year survival compared with those with adenocarcinomas (42% vs 14%; p = 0.009). Patients treated with induction chemotherapy had prolonged 5-year survival (41%, p = 0.06) compared with those treated with adjuvant chemotherapy (11%) or no therapy (20%). Multivariate analysis demonstrated that chemotherapy treatment, squamous cell type, and early T stage (pT1/T2) are significant positive predictors of survival. CONCLUSIONS Surgical resection for patients with esophageal cancer associated with nonregional nodal metastases results in 25% survival at five years. Squamous histology, earlier T status, and perioperative chemotherapy are independent positive predictors of long-term survival.
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Affiliation(s)
- Paul C Lee
- Department of Cardiothoracic Surgery, Division of Thoracic Surgery, New York Presbyterian Hospital - Weill Cornell Medical College, New York, New York 10021, USA
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221
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Slim K, Blay JY, Brouquet A, Chatelain D, Comy M, Delpero JR, Denet C, Elias D, Fléjou JF, Fourquier P, Fuks D, Glehen O, Karoui M, Kohneh-Shahri N, Lesurtel M, Mariette C, Mauvais F, Nicolet J, Perniceni T, Piessen G, Regimbeau JM, Rouanet P, sauvanet A, Schmitt G, Vons C, Lasser P, Belghiti J, Berdah S, Champault G, Chiche L, Chipponi J, Chollet P, De Baère T, Déchelotte P, Garcier JM, Gayet B, Gouillat C, Kianmanesh R, Laurent C, Meyer C, Millat B, Msika S, Nordlinger B, Paraf F, Partensky C, Peschaud F, Pocard M, Sastre B, Scoazec JY, Scotté M, Triboulet JP, Trillaud H, Valleur P. [Digestive oncology: surgical practices]. ACTA ACUST UNITED AC 2009; 146 Suppl 2:S11-80. [PMID: 19435621 DOI: 10.1016/s0021-7697(09)72398-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- K Slim
- Chirurgien Clermont-Ferrand.
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Omloo J, Law S, Launois B, Le Prisé E, Wong J, van Berge Henegouwen M, van Lanschot J. Short and long-term advantages of transhiatal and transthoracic oesophageal cancer resection. Eur J Surg Oncol 2009; 35:793-7. [DOI: 10.1016/j.ejso.2008.10.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2008] [Revised: 05/15/2008] [Accepted: 10/14/2008] [Indexed: 11/30/2022] Open
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Survival of patients with distal esophageal and gastric cardia tumors: a population-based analysis of gastroesophageal junction carcinomas. J Thorac Cardiovasc Surg 2009; 139:43-8. [PMID: 19660401 DOI: 10.1016/j.jtcvs.2009.04.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2008] [Revised: 03/26/2009] [Accepted: 04/12/2009] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Distal esophageal tumors and gastric cardia tumors, although only physically separated by centimeters, have different staging systems and are usually treated differently. We hypothesized that gastroesophageal junction adenocarcinomas (eg, gastric cardia and distal esophageal tumors) were not distinct entities and had similar survival. METHODS Using the Surveillance, Epidemiology, and End Results database (1988-2005), we identified patients with adenocarcinomas of the distal esophagus (n = 1474) and gastric cardia (n = 192). We performed an unadjusted survival analysis using the Kaplan-Meier method, and we used a Cox proportional hazards regression model to adjust for potential confounding covariates. A 2-sided significance level was used for all statistical testing. RESULTS Even after adjusting for potential confounding covariates (location, stage, race, cancer-directed surgery, and radiation therapy), we found no significant difference between distal esophageal and gastric cardia tumors with regard to overall (hazard ratio, 1.18; 95% confidence interval, 0.99-1.41) and cancer-specific (hazard ratio, 1.09; 95% confidence interval, 0.90-1.31) survival. Both cancer-directed surgery (hazard ratio, 0.45; 95% confidence interval, 0.37-0.54) and radiation therapy (hazard ratio, 0.63; 95% confidence interval, 0.55-0.71) had a beneficial influence on survival. CONCLUSION Through a large, population-based analysis of gastric cardia and distal esophageal adenocarcinomas, we found that patients with gastroesophageal junction adenocarcinomas have similar survival rates. Cancer-directed surgery was beneficial. Adenocarcinomas of the gastroesophageal junction are not distinct entities delineated by anatomic boundaries and as such should be managed by one skilled in both esophageal and gastric resections.
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Extracapsular Lymph Node Involvement Is a Negative Prognostic Factor After Neoadjuvant Chemoradiotherapy in Locally Advanced Esophageal Cancer. J Thorac Oncol 2009; 4:534-9. [DOI: 10.1097/jto.0b013e31819c862d] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Udagawa H, Ueno M, Kinoshita Y. Rationale for video-assisted radical esophagectomy. Gen Thorac Cardiovasc Surg 2009; 57:127-31. [PMID: 19280307 DOI: 10.1007/s11748-008-0362-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2008] [Indexed: 10/21/2022]
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226
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Safieddine N, Xu W, Quadri SM, Knox JJ, Hornby J, Sulman J, Wong R, Guindi M, Keshavjee S, Darling G. Health-related quality of life in esophageal cancer: effect of neoadjuvant chemoradiotherapy followed by surgical intervention. J Thorac Cardiovasc Surg 2009; 137:36-42. [PMID: 19154899 DOI: 10.1016/j.jtcvs.2008.09.049] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2007] [Revised: 09/24/2008] [Accepted: 09/30/2008] [Indexed: 01/02/2023]
Abstract
OBJECTIVE We sought to determine the effect of neoadjuvant chemoradiotherapy followed by surgical intervention on health-related quality of life in patients with esophageal cancer. METHODS Health-related quality of life was evaluated in a prospective phase II study of neoadjuvant chemoradiotherapy followed by esophagectomy in 52 patients with carcinoma of the esophagus. Esophagectomy was performed 6 weeks after completion of induction. Functional Assessment of Cancer Therapy-Esophageal scoring was performed before treatment, 7 weeks after initiation of neoadjuvant therapy, before resection, and at 1, 3, and 6 months and 1 year after resection. RESULTS Forty-three patients completed the entire treatment protocol. Functional Assessment of Cancer Therapy-Esophageal scores decreased significantly after chemoradiation at week 7 (120 vs 127 at baseline, P = .04) but returned to baseline levels before surgical intervention (127). Similarly, scores decreased significantly after surgical intervention (115 at 1 month, P = .02) but returned to baseline levels by 3 months postoperatively (127). At 1 year postoperatively, there was a statistically significant improvement in scores compared with those at baseline (139, P = .003). Functional Assessment of Cancer Therapy-Esophageal scores continued to increase over time for patients who were alive at least 1 year after the operation with or without disease but were observed to significantly decrease in those who died within 1 year after the operation (P = .0001). An increase in quality of life was associated with a significantly lower risk of death (P = .04). CONCLUSION Neoadjuvant therapy has a significant effect on health-related quality of life, but this is transient, with recovery to baseline within 5 to 7 weeks after completion of induction therapy. Health-related quality of life decreases again after surgical intervention but returns to baseline levels within 3 months.
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Affiliation(s)
- Najib Safieddine
- Division of Thoracic Surgery, Department of Surgery, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
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Abstract
There is considerable controversy over the level of evidence from randomized trials underpinning management decisions for patients presenting with localized cancer of the esophagus and esophago-gastric junction. There is also an optimism that new drugs and new approaches, including response prediction based on sequential (18)FDG-PET scanning following induction chemotherapy, may improve treatments pathways and outcomes. In this review we assess the level of evidence from the major published trials, and discuss new trials and approaches.
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Affiliation(s)
- Thomas J Murphy
- 1St James's Hospital, Department of Surgery, Trinity Centre, Dublin 8, Ireland
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228
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Schröder W, Wirths K, Gutschow C, Vallböhmer D, Bludau M, Schumacher B, Neuhaus H, Hölscher AH. Transthoracic esophagectomy after endoscopic mucosal resection in patients with early esophageal carcinoma. J Gastrointest Surg 2009; 13:223-9. [PMID: 18923875 DOI: 10.1007/s11605-008-0719-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2008] [Accepted: 09/24/2008] [Indexed: 01/31/2023]
Abstract
INTRODUCTION For patients with esophageal carcinoma limited to the mucosa endoscopic mucosal resection (EMR) is the therapy of choice whereas surgical resection is advocated for submucosal tumors. METHODS This study analyzes the histopathologic results of patients with early esophageal carcinoma who underwent EMR prior to transthoracic esophagectomy. Sixteen patients with early esophageal carcinoma and EMR as first line treatment were included in this retrospective study. Ten patients underwent transthoracic esophagectomy because of submucosal infiltration combined incomplete tumor resection at the lateral/basal resection margin. In one patient each, surgical therapy was indicated due to submucosal infiltration or incomplete resection only. Three patients underwent surgical resection due to residual neoplasia within an esophageal stenosis following EMR. Surgical specimens were examined for pT and pN stage according to the UICC. RESULTS Three patients had a squamous cell carcinoma (SCC) and 13 patients an adenocarcinoma (AC), nine patients with a long segment Barrett's esophagus. The distribution of the pT stages was as follows: 6x pT0 (no histopathologic evidence of residual tumor), 1x pT1m1, 1x pT1m2, 3x pT1m3, 1x pT1sm1, 1x pT1sm2, 1x pT2, and 2x pT3. Three of 16 patients (18.8%) with a pT1sm1, pT2, and pT3 stage had nodal metastases. In all three patients metastatic nodes were located in the mediastinum. In two patients, a second carcinoma was detected during histopathologic work-up (1x AC in the cardia and 1x SCC in the cervical esophagus). CONCLUSION The data of this highly selected patients indicate that the boundary between the therapy of mucosal and submucosal tumors is not as clear as stated. Therefore, treatment of early esophageal carcinoma demands a close interdisciplinary cooperation.
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Affiliation(s)
- W Schröder
- Department of Visceral and Vascular Surgery, University of Cologne, Kerperner Str. 62, 50937 Cologne, Germany.
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Boone J, Livestro DP, Elias SG, Borel Rinkes IHM, van Hillegersberg R. International survey on esophageal cancer: part I surgical techniques. Dis Esophagus 2009; 22:195-202. [PMID: 19191856 DOI: 10.1111/j.1442-2050.2008.00929.x] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In patients with esophageal cancer, radical surgical resection of the esophagus and surrounding lymph nodes is the only curative treatment option. Nevertheless, no standard surgical procedure exists. The aims of the present study were to gain insight into the frequencies of the various surgical techniques in esophageal cancer surgery as applied by surgeons throughout the world and to identify intercontinental differences regarding surgical techniques. Surgeons with particular interest in esophageal surgery, including members of the International Society for Diseases of the Esophagus, the European Society of Esophagology Group d'Etude Européen des Maladies de l'Oesophage and the OESO, were invited to participate in an online questionnaire. Questions were asked regarding approach to esophagectomy, extent of lymphadenectomy (LND), type of reconstruction, and anastomotic techniques. Subanalyses were performed for the surgeons' case volume per year, years of experience in esophageal cancer surgery, and continent. Of 567 invited surgeons, 269 participated, resulting in an overall response rate of 47%. The responders currently performing esophagectomies (n= 250; 44%), represented 41 countries across the six continents. Fifty-two percent of responders favor open transthoracic esophagectomy (TTE) over transhiatal esophagectomy (THE) or minimally invasive esophagectomy (MIE). THE is preferred by 26%, whereas MIE is favored by 14%. Eight percent have no preference for one approach to esophagectomy over the other. The extent of LND is most frequently the 2-field, routinely performed by 73% of surgeons. The continuity of the digestive tract is most frequently restored with a gastric conduit (85%). In open TTE, the anastomosis is routinely created in the neck by 56% of responders and in the chest by 40%. Cervical anastomoses are routinely fashioned by means of a handsewn technique by 65% of responders, while 35% favor the stapled technique. The cervical incision is predominantly performed vertically on the left side of the neck (routinely by 66%). A horizontal neck incision is routinely carried out by 19% of responders and a vertical right-sided incision by 11%. Significant differences in surgical techniques could be detected between low- and high-volume surgeons, between surgeons with <or=10 versus >or=21 years of experience, and between surgeons from different continents. In conclusion, currently the most commonly applied surgical procedure is the open right-sided transthoracic approach with a two-field lymphadenectomy, using a gastric tube anastomosed at the left side of the neck by means of a handsewn, end-to-side technique. The results of this survey provide baseline data for future research and for the development of international guidelines.
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Affiliation(s)
- Judith Boone
- Department of Surgery, University Medical Center Utrecht, Utrecht, The Netherlands.
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Chang KH, McAnena OJ. En bloc esophagectomy reduces local recurrence and improves survival compared with transhiatal resection after neoadjuvant therapy for esophageal adenocarcinoma. J Thorac Cardiovasc Surg 2009; 137:253; author reply 253-4. [PMID: 19154939 DOI: 10.1016/j.jtcvs.2008.08.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2008] [Accepted: 08/23/2008] [Indexed: 11/30/2022]
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Zingg U, Divalentino D, McQuinn A, Mardzuki A, Thompson SK, Karapetis CS, Watson DI. Outcome for esophageal cancer following treatment with chemotherapy and radiotherapy but not esophagectomy: Nonsurgical treatment of esophageal cancer. Clin Exp Gastroenterol 2009; 2:75-83. [PMID: 21694830 PMCID: PMC3108630 DOI: 10.2147/ceg.s6273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2009] [Indexed: 11/23/2022] Open
Abstract
Background: More than 50% of patients with esophageal cancer are not suitable for surgery. The aim of this study was to analyze the outcome of patients undergoing standard nonsurgical treatment. Methods: Data of all patients undergoing nonsurgical treatment for esophageal cancer were identified from a prospective database. Results: Seventy-five patients were treated for localized disease, and 52 for metastatic disease at diagnosis. Except for age, which was higher in patients without metastases, there were no significant differences between the patients with vs. without metastatic disease. Kaplan–Meier analysis showed a median survival of 10.8 months for all patients. There was a significant difference in survival (p < 0.001) between the groups with versus without metastases, with median survival in the patients without metastases 13.6 months versus 6.5 months in patients with metastases. Patients undergoing nonsurgical treatment for localized disease had a five-year survival of 12%. No significant difference between adenocarcinoma and squamous cell carcinoma was identified. Subanalysis of patients who received chemoradiotherapy revealed similar results to the overall group of patients. Conclusion: In patients with localized disease at diagnosis, long-term survival can be achieved in some patients, whereas five-year survival is rare in patients who present with metastatic disease.
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Affiliation(s)
- Urs Zingg
- Flinders University Department of Surgery, Flinders Medical Centre, Bedford Park, South Australia, Australia
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233
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Abstract
C. Mariette, G. Piessen, C. Vons Lymph node invasion is the principal prognostic factor in cancers of the stomach and esophagus which have a tendency to early lymphatic spread.The anatomy of regional lymph node groupings is described and standard and extended types of lymphadenectomy are defined. We discuss he role of lymph node dissection - particularly extended lymphadenectomy - and assess whether there is demonstrable benefit in terms of morbidity and mortality, loco-regional recurrence, and survival. Articles from the surgical literature with the highest levels of evidence are analyzed. Practical guidelines for treatment choice are proposed.
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234
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WHITFIELD GA, JACKSON A, MOORE C, PRICE P. Radical chemoradiotherapy for adenocarcinoma of the distal oesophagus and oesophagogastric junction: what planning margins should we use? Br J Radiol 2008; 81:921-34. [DOI: 10.1259/bjr/23903754] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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235
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[Not Available]. ACTA ACUST UNITED AC 2008; 145S4:12S21-9. [PMID: 22793981 DOI: 10.1016/s0021-7697(08)74718-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
C. Mariette, G. Piessen, C. Vons Lymph node invasion is the principal prognostic factor in cancers of the stomach and esophagus which have a tendency to early lymphatic spread.The anatomy of regional lymph node groupings is described and standard and extended types of lymphadenectomy are defined. We discuss he role of lymph node dissection - particularly extended lymphadenectomy - and assess whether there is demonstrable benefit in terms of morbidity and mortality, loco-regional recurrence, and survival. Articles from the surgical literature with the highest levels of evidence are analyzed. Practical guidelines for treatment choice are proposed.
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236
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Johansson J, Djerf P, Oberg S, Zilling T, von Holstein CS, Johnsson F, Walther B. Two different surgical approaches in the treatment of adenocarcinoma at the gastroesophageal junction. World J Surg 2008; 32:1013-20. [PMID: 18299921 DOI: 10.1007/s00268-008-9470-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Adenocarcinoma at the gastroesophageal junction may be regarded as of esophageal or of gastric origin, and tumor removal may follow the principles of esophagectomy or extended gastrectomy. We determined the impact of this strategy on our patients with tumors at this site. METHODS Baseline patient and tumor characteristics were collected, and tumors were categorized according to Siewert's classification (I, II, or III) of gastroesophageal junction tumors. Totally, 133 patients were operated on between 1990 and 2001. Ninety-six patients with type I (n = 67), II (n = 26), and III (n = 3) tumors underwent esophagectomy and gastric tube reconstruction, and 37 patients with type I (n = 5), II (n = 26), and III (n = 6) tumors underwent extended gastrectomy and long Roux-en-Y reconstructions. RESULTS After adjusting for the independently significant impact factors-tumor stage, tumor dissection (R0-R2), and length of tumor free resection margins-we did not find any specific survival benefit associated with either of the two evaluated surgical approaches for tumor resection and reconstruction. The EORTC quality of life forms revealed good results as indicated by the functional scales and the symptom scales. CONCLUSIONS Provided that adequate tumor dissection is performed, patients with adenocarcinoma at the gastroesophageal junction can be resected and reconstructed using the principles for esophagectomy or extended gastrectomy.
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Affiliation(s)
- Jan Johansson
- Department of Surgery, Lund University Hospital, 221 85 Lund, Sweden.
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Tong DKH, Kwong DLW, Law S, Wong KH, Wong J. Cervical nodal metastasis from intrathoracic esophageal squamous cell carcinoma is not necessarily an incurable disease. J Gastrointest Surg 2008; 12:1638-45; discussion 1645. [PMID: 18704592 DOI: 10.1007/s11605-008-0654-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2008] [Accepted: 07/28/2008] [Indexed: 01/31/2023]
Abstract
BACKGROUND It remains controversial if metastatic cervical lymph nodes in patients with intrathoracic esophageal cancer signify distant metastases and are therefore incurable or if they should be regarded as regional spread with a potential for cure. MATERIAL AND METHODS Patients with intrathoracic esophageal squamous cell carcinoma managed from 1995 to 2007, in whom metastatic cervical lymph node spread was confirmed by fine needle aspiration cytology, were studied. Treatment strategies and outcome were reviewed. RESULTS There were 109 patients, of whom 98 were men. Median age was 62 years (range, 34-88). Excluding those who underwent primarily palliative treatments, there were two main groups: 22 who had upfront chemoradiation therapy and subsequent esophagectomy +/- cervical lymphadenectomy and 46 who had chemoradiation only. Significant downstaging occurred in 29 of the 68 patients (42.6%), of whom eight (11.8%) had complete pathological/clinical response. There was no mortality after esophagectomy. Median survival of patients with chemoradiation plus esophagectomy was 34.8 months compared to those with no surgery at 9.9 months, (p < 0.001). Patients with stage IV disease at presentation by virtue of nodal disease survived longer than those with the same stage because of systemic organ metastases: 9.3 vs. 3 months, (p < 0.001). CONCLUSIONS Prognosis of patients with metastatic cervical nodes was not uniformly dismal. Up to 20% had reasonable survival after chemoradiation and surgical resection. Stage IV disease should be revised to segregate those with nodal and systemic metastases.
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Affiliation(s)
- Daniel King-Hung Tong
- Department of Surgery, Li Ka Shing Faculty of Medicine, University of Hong Kong Medical Centre, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong, China
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Lu JC, Tao H, Zhang YQ, Zha WW, Qian PD, Li F, Xu KX. Extent of prophylactic postoperative radiotherapy after radical surgery of thoracic esophageal squamous cell carcinoma. Dis Esophagus 2008; 21:502-7. [PMID: 18840135 DOI: 10.1111/j.1442-2050.2007.00797.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The aim of this study was to assess if the entire mediastinum (M), the bilateral supraclavicular area (S), and the left gastric area (L) should be all included in the irradiation volume. The clinical data of 204 patients with thoracic esophageal squamous cell carcinoma who had undergone prophylactic postoperative radiotherapy after radical surgery were retrospectively reviewed. They were classified into four groups: group A, 26 patients with irradiated M alone; group B, 139 patients with irradiated M + S; group C, 10 patients with irradiated M + L; and group D, 29 patients with irradiated M + S + L. The 5-year disease-free survival rates were 36% in group A, 31% in group B, 40% in group C and 44% in group D (chi2=3.05, P =0.39), respectively. Multivariate analysis revealed that the irradiated extent was not a significant influential factor (hazard ratio=0.84, 95% confidence interval, 0.69-1.03, P =0.10). None of 43 patients without the L irradiated and with disease in the upper and middle upper thirds (defined in middle third but with upper third invaded), and one of 83 patients without the L irradiated and with disease in the middle third only thoracic esophagus were shown to have abdominal lymph node metastasis. Supraclavicular lymph node metastasis in patients in the lower and middle lower thirds (defined in middle third but with lower third invaded) were, respectively, 1/43 and 1/18 whether the S was irradiated or not. It seems unnecessary that the L be irradiated when the primary site is in the upper, middle, and middle upper thirds of the thoracic esophagus after radical surgery. Similarly, S may be unnecessarily irradiated in the lower and middle lower thirds.
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Affiliation(s)
- J-C Lu
- Department of Radiotherapy, Jiangsu Cancer Hospital, Nanjing, China.
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Davies AR, Forshaw MJ, Khan AA, Noorani AS, Patel VM, Strauss DC, Mason RC. Transhiatal esophagectomy in a high volume institution. World J Surg Oncol 2008; 6:88. [PMID: 18715498 PMCID: PMC2531176 DOI: 10.1186/1477-7819-6-88] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2008] [Accepted: 08/20/2008] [Indexed: 12/25/2022] Open
Abstract
Background The optimal operative approach for carcinoma at the lower esophagus and esophagogastric junction remains controversial. The aim of this study was to assess a single unit experience of transhiatal esophagectomy in an era when the use of systemic oncological therapies has increased dramatically. Study Design Between January 2000 and November 2006, 215 consecutive patients (182 males, 33 females, median age = 65 years) underwent transhiatal esophagectomy; invasive malignancy was detected preoperatively in 188 patients. 90 patients (42%) received neoadjuvant chemotherapy. Prospective data was obtained for these patients and cross-referenced with cancer registry survival data. Results There were 2 in-hospital deaths (0.9%). Major complications included: respiratory complications in 65 patients (30%), cardiovascular complications in 31 patients (14%) and clinically apparent anastomotic leak in 12 patients (6%). Median length of hospital stay was 14 days. The radicality of resection was inversely related to T stage: an R0 resection was achieved in 98–100% of T0/1 tumors and only 14% of T4 tumors. With a median follow up of 26 months, one and five year survival rates were estimated at 81% and 48% respectively. Conclusion Transhiatal esophagectomy is an effective operative approach for tumors of the infracarinal esophagus and the esophagogastric junction. It is associated with low mortality and morbidity and a five survival rate of nearly 50% when combined with neoadjuvant chemotherapy.
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Affiliation(s)
- Andrew R Davies
- Department of general surgery, St Thomas' Hospital, Guy's and St Thomas', NHS foundation Trust, Lambeth Palace Road, London, UK.
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240
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Lerut T, Moons J, Coosemans W, Decaluwé H, Decker G, De Leyn P, Nafteux P, Van Raemdonck D. Multidisciplinary treatment of advanced cancer of the esophagus and gastroesophageal junction: a European center's approach. Surg Oncol Clin N Am 2008; 17:485-502, vii-viii. [PMID: 18486879 DOI: 10.1016/j.soc.2008.02.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Tremendous progress has been made in surgery for cancer of the esophagus and gastroesophageal junction. After primary surgery, overall 5-year survival rates of 35% or more are obtained in high-volume units, and for advanced stage III cancer, 5-year survival reaches 25%. Multimodality therapy, in particular induction chemotherapy with or without radiotherapy, results in a complete response rate in up to 25% of the patients. Approximately 50% of the patients receiving such treatment do not respond, however, and their outcome is dismal. Therefore, further efforts are needed to elaborate more precise algorithms for selecting candidates for induction therapy versus primary surgery.
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Affiliation(s)
- Toni Lerut
- Department of Thoracic Surgery, University Hospitals Leuven, Herestraat 49, 3000 Leuven, Belgium.
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241
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Kondra J, Ong SRY, Clifton J, Evans K, Finley RJ, Yee J. A change in clinical practice: a partially stapled cervical esophagogastric anastomosis reduces morbidity and improves functional outcome after esophagectomy for cancer. Dis Esophagus 2008; 21:422-9. [PMID: 19125796 DOI: 10.1111/j.1442-2050.2007.00792.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cervical esophagogastric anastomoses are commonly used for reconstruction after esophagectomy because of the lower mortality rate associated with an anastomotic leak compared to intrathoracic anastomoses. However, cervical esophagogastric anastomoses have been criticized for their higher leak rates, stricture formation and greater need for later dilatations when compared with intrathoracic anastomoses. Multiple studies have looked at varying techniques to improve the outcome of the cervical esophagogastric anastomosis. This study was performed to determine whether a partially stapled (posterior stapled wall and anterior hand-sewn wall) anastomosis reliably reduced leaks and the need for later dilatation. From January 2001 to March 2006, 168 patients who underwent cervical esophagogastric anastomosis following esophagectomy (transhiatal or three-hole) for cancer were identified. Beginning in September 2003, the partially stapled technique was introduced and used in 79 patients. Clinical outcomes were compared to patients in whom hand-sewn technique was used (n = 89). Outcomes related to anastomotic leak, other hospital complications, length of stay, postoperative dilatations and survival were compared using Student's t-tests and chi-square tests (P < 0.05), as well as multiple regression analyses. An anastomotic leak occurred in 10 (12.7%) patients who received a partially stapled anastomosis. A hand-sewn anastomosis was complicated by an anastomotic leak in 24 patients (27.0%). This difference was statistically significant (P = 0.021). This lowered incidence of leak was associated with an earlier initiation of oral feeds (median 7 vs. 9.5 days, P < 0.001) and a reduction in hospital stay (median 10 vs. 15 days, P < 0.001). Furthermore, dysphagia associated with stricture requiring postoperative dilatations was markedly diminished in the stapled anastomosis [23 (31.3%) vs. 49 (55.1%), P = 0.001]. The partially stapled cervical esophagogastric anastomosis significantly decreased the incidence of postoperative anastomotic leaks and the need for postoperative dilatation to treat strictures compared to the hand-sewn anastomosis.
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Affiliation(s)
- J Kondra
- Division of Thoracic Surgery, University of British Columbia,Vancouver, British Columbia, Canada
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Lagarde SM, Franssen SJ, van Werven JR, Smets EMA, Tran TCK, Tilanus HW, Plukker JTM, de Haes JCJM, van Lanschot JJB. Patient preferences for the disclosure of prognosis after esophagectomy for cancer with curative intent. Ann Surg Oncol 2008; 15:3289-98. [PMID: 18670823 DOI: 10.1245/s10434-008-0068-y] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2008] [Revised: 06/25/2008] [Accepted: 06/25/2008] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The aim of this study was to determine the preferences for content, style, and format of prognostic information of patients after potentially curative esophagectomy for cancer and to explore predictors of these preferences. PATIENTS AND METHODS This multicenter study included a consecutive series of patients who underwent surgical resection for cancer in the past 2 years and who did not have evidence of cancer recurrence. A questionnaire was used to elicit patient preferences for the content, style, and format of prognostic information. Sociodemographic characteristics, clinicopathological factors, and quality of life (EORTC QLQ-30 and OES18) were explored as predictors for certain preferences. RESULTS Of the 204 eligible patients, 176 patients (86%) returned the questionnaire. The majority of patients desired prognostic information. Information preferences declined when information became more specific and more negative. Married patients and higher-educated patients were more likely to want all prognostic information. The majority of patients wanted their specialist to start the discussion about prognosis. However, a significant proportion of these patients wanted their specialist to first ask if they want to have prognostic information. The percentage of patients wanted a realistic and individualistic approach was 97%. Words and numbers were preferred over visual presentations. CONCLUSION After potentially curative esophagectomy for cancer, the majority of patients want detailed prognostic information and want their specialist to begin the prognostic discussion. Patients prefer their doctor to be realistic; words and numbers are preferred over figures and graphs.
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Affiliation(s)
- Sjoerd M Lagarde
- Department of Surgery, Academic Medical Center at University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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243
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Morita M, Egashira A, Yoshida R, Ikeda K, Ohgaki K, Shibahara K, Oki E, Sadanaga N, Kakeji Y, Maehara Y. Esophagectomy in patients 80 years of age and older with carcinoma of the thoracic esophagus. J Gastroenterol 2008; 43:345-51. [PMID: 18592152 DOI: 10.1007/s00535-008-2171-z] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2007] [Accepted: 02/12/2008] [Indexed: 02/04/2023]
Abstract
BACKGROUND The purpose of this study was to clarify the indications for an esophagectomy in elderly patients (especially patients over 80 years of age) with esophageal cancer. METHODS A total of 668 patients with thoracic esophageal cancer who underwent an esophagectomy by the transthoracic approach were divided into three groups according to age, namely, groups I (>80 years, n=16), II (70-79 years, n=158), and III (<or=69 years, n=494). In group I, surgery was only done in patients with PS 0 or 1, as well as normal cardiac and pulmonary functions. RESULTS The incidence of preoperative pulmonary risk was 16% and 7% in groups II and III, respectively (P<0.01). The morbidity rates of group II and III were 42% and 32%, respectively (P<0.05). Pulmonary complications occurred in 18% and 10%, respectively, and cardiovascular complications occurred in 11% and 4%, respectively (P<0.01). In group I, the morbidity and 30-day mortality rates were 25% and 0%, respectively, and pulmonary and cardiovascular complications occurred only in one patient each (6%). No significant differences were observed in cause-specific survival. CONCLUSIONS In the elderly, preoperative pulmonary risk is frequently present, and careful perioperative management is needed while paying special attention to pulmonary and cardiovascular complications. However, when the indications for surgery can be strictly determined, an esophagectomy is considered a viable treatment alternative with satisfactory prognosis even in patients 80 years of age and older without any increased morbidity or mortality.
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Affiliation(s)
- Masaru Morita
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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244
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Schröder W, Vallböhmer D, Bludau M, Banczyk A, Gutschow C, Hölscher AH. The resection of the azygos vein--necessary or redundant extension of transthoracic esophagectomy? J Gastrointest Surg 2008; 12:1163-7. [PMID: 18278537 DOI: 10.1007/s11605-008-0487-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2007] [Accepted: 01/18/2008] [Indexed: 01/31/2023]
Abstract
Due to the increasing use of minimally invasive techniques, some authors have questioned the necessity to dissect the azygos vein as part of the en-bloc esophagectomy in patients with esophageal cancer. This study investigates the nodal clearance associated with resection of the azygos vein. Ninety-two patients with esophageal carcinoma were included in this prospective analysis. In all patients, a standard transthoracic en-bloc esophagectomy was performed including the resection of the azygos vein from the superior vena cava to the level of the diaphragm. After resection, the azygos vein with its adjacent connective tissue was separated from the tubular esophagus. The separated azygos vein specimen was histopathologically examined for the presence of lymph nodes (LN) and possible nodal metastasis. A total of 2,778 LN with a mean of 30.2 LN for each patient were resected. In 60 patients, 216 of 1,666 mediastinal LN (13.0%) were located along the azygos vein. Seven of 39 pN1 patients (17.9%) had LN metastases in the separated azygos vein specimen. In these seven patients, a total of 23 metastatic nodes were detected along the azygos vein. LN metastases along the azygos vein are too frequent to neglect their existence. Therefore, standard en-bloc esophagectomy including dissection of the azygos vein should not be abandoned irrespective of the surgical approach.
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Affiliation(s)
- W Schröder
- Department of Visceral and Vascular Surgery, University of Cologne, Cologne, Germany.
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245
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Bludau M, Vallböhmer D, Gutschow C, Hölscher AH, Schröder W. Quantitative measurement of gastric mucosal microcirculation using a combined laser Doppler flowmeter and spectrophotometer. Dis Esophagus 2008; 21:668-72. [PMID: 18564159 DOI: 10.1111/j.1442-2050.2008.00856.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Anastomotic leakage after esophagectomy and esophagogastrostomy depends on the vascularization of the gastric conduit. So far, no adequate methods are available to monitor postoperatively mucosal microcirculation of the gastric conduit. The aim of this experimental study was to assess a recently developed microprobe with a microlight-guide spectrophotometer (O2C, Fa. LEA Medizintechnik, Giessen, Germany) to quantitatively measure gastric mucosal blood flow (MBF) and mucosal oxygen saturation (MOS) of different gastric areas. Eighteen patients without gastric pathology were included in this study. During conventional gastroscopy the microprobe was introduced via the working channel of a standard endoscope and positioned in well-defined areas of the antrum and fundus. The tip of the microprobe consisted of a combined laser Doppler and tissue spectrometer measuring continuously the MBF (perfusion units, PU) and MOS (SO(2), in %). The mean MOS of the antrum was significantly higher compared with the fundus (antrum: 82% +/- 7.9 standard deviation [SD], fundus: 72% +/- 10.4; P = 0.0002). The mean MBF was not significantly different between antrum and fundus (antrum: 201 PU +/- 40 SD, fundus: 223 PU +/- 29 SD). This study demonstrates the feasibility of the gastric O2C microprobe to measure parameters of gastric microcirculation from the endoluminal side.
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Affiliation(s)
- M Bludau
- Department of Visceral and Vascular Surgery, University of Cologne, Cologne, Germany.
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246
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Lagarde SM, Reitsma JB, Maris AKD, van Berge Henegouwen MI, Busch OR, Obertop H, Zwinderman AH, van Lanschot JJB. Preoperative Prediction of the Occurrence and Severity of Complications After Esophagectomy for Cancer With Use of a Nomogram. Ann Thorac Surg 2008; 85:1938-45. [DOI: 10.1016/j.athoracsur.2008.03.014] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2007] [Revised: 01/03/2008] [Accepted: 03/05/2008] [Indexed: 11/26/2022]
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247
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Martin DJ, Church NG, Kennedy CW, Falk GL. Does systematic 2-field lymphadenectomy for esophageal malignancy offer a survival advantage? Results from 178 consecutive patients. Dis Esophagus 2008; 21:612-8. [PMID: 18459992 DOI: 10.1111/j.1442-2050.2008.00826.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
More extensive resection for esophageal cancer has been reported to improve survival in several series. We compared results from an unselected consecutive cohort of patients undergoing radical esophagectomy, including removal of all periesophageal tissue with a 2-field abdominal and mediastinal lymphadenectomy for esophageal and gastroesophageal malignancy. A prospective electronic database was reviewed for patients with esophageal malignancy undergoing an open esophagectomy between 1991 and 2004. Data were analyzed on an SPSS file (version 12.0, Chicago, IL, USA) using chi(2) or Fisher's exact test; odds ratio and 95% confidence interval; and the Kaplan-Meier method, log-rank test and Cox's proportional hazards regression for survival analysis. There were 178 patients with a median age of 65 years and a 70/30 male to female ratio. Median follow-up was 20.4 months. Pathology comprised adenocarcinoma in 64% of patients, squamous cell carcinoma 30%, and other malignancies 6%. Seventeen patients had neoadjuvant therapy. Hospital mortality was 3.3%. Complete resection was achieved in 87%. Local recurrence occurred at a median of 13 months in 6.7% of patients. Overall 5-year survival was 42%. For patients with invasive squamous cell carcinoma and adenocarcinoma the 5-year survival was 47% and 40.3%, respectively, and for patients without nodal involvement it was 71.5%, with one to four nodes involved, 23.5% and with >4 nodes, 5% (P < 0.001). Survival decreased with increasing direct tumor spread (P < 0.001) and pathological stage (P < 0.001). Esophageal resection with systematic 2-field lymphadenectomy can be performed with acceptable operative mortality and favorable survival.
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Affiliation(s)
- D J Martin
- Concord Repatriation General Hospital, Sydney, Australia
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248
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Safranek PM, Sujendran V, Baron R, Warner N, Blesing C, Maynard ND. Oxford experience with neoadjuvant chemotherapy and surgical resection for esophageal adenocarcinomas and squamous cell tumors. Dis Esophagus 2008; 21:201-6. [PMID: 18430099 DOI: 10.1111/j.1442-2050.2007.00752.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The Medical Research Council trial for oesophageal cancer (OEO2) trial demonstrated a clear survival benefit from neoadjuvant chemotherapy in resectable esophageal carcinoma. Since February 2000 it has been our practice to offer this chemotherapy regime to patients with T2 and T3 or T1N1 tumors. We analyzed prospectively collected data of patients who received neoadjuvant chemotherapy prior to esophageal resection under the care of a single surgeon. Complications of treatment and overall outcomes were evaluated. A total of 194 patients had cisplatin and 5-fluorouracil prior to esophageal resection. Six patients (5.7%) had progressive disease and were inoperable (discovered in four at surgery). During chemotherapy one patient died and one perforated (operated immediately). Complications including severe neutropenia, coronary artery spasm, renal impairment and pulmonary edema led to the premature cessation of chemotherapy in 12 patients (6.2%). A total of 182 patients with a median age of 63 (range 30-80), 41 squamous and 141 adenocarcinomas underwent surgery. Operations were 91 left thoracoabdominal (50%), 45 radical transhiatal (25%), 40 Ivor-Lewis (22%) and six stage three (3%), and 78.6% had microscopically complete (R0) resections. Median survival was 28 months with 77.3% surviving for 1 year and 57.7% for 2 year. In hospital mortality was 5.5% and anastomotic leak rate 7.7%. A radical surgical approach to the primary tumor in combination with OEO2 neoadjuvant chemotherapy has led to a high R0 resection rate and good survival with acceptable morbidity and mortality.
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Affiliation(s)
- P M Safranek
- Department of Upper Gastrointestinal Surgery, Addenbrookes Hospital, Cambridge, UK
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249
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Kunisaki C, Makino H, Takagawa R, Yamamoto N, Nagano Y, Fujii S, Kosaka T, Ono HA, Otsuka Y, Akiyama H, Ichikawa Y, Shimada H. Surgical outcomes in esophageal cancer patients with tumor recurrence after curative esophagectomy. J Gastrointest Surg 2008; 12:802-10. [PMID: 17952515 DOI: 10.1007/s11605-007-0385-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2007] [Accepted: 10/03/2007] [Indexed: 01/31/2023]
Abstract
This study aimed to identify predictive factors and to evaluate appropriate treatments for recurrence of esophageal cancer after curative esophagectomy. About 166 consecutive patients, who underwent curative esophagectomy, were enrolled between April 1994 and March 2003. Recurrence was classified as loco-regional or distant. Logistic regression analysis was used to identify predictive factors for recurrence. Prognostic factors were evaluated by Log-rank test and Cox proportional hazard regression analysis. The disease-specific 5-year survival was 56.8%. Recurrence was observed in 72 patients (43.4%), with 64 of these occurring within 3 years. The number of metastatic lymph nodes and lymphatic invasion independently predicted recurrence. There were significant differences in time to recurrence and survival time between loco-regional, distant recurrence, and combined recurrence. The 5-year survival time in patients with recurrence was 11.9%, and median survival time was 24 months. There was also a significant difference in survival after recurrence between treatment methods (no treatment vs chemo-radiotherapy, p=0.0063; chemotherapy, p=0.0247; and radiotherapy, p<0.0001). Meticulous, long-term follow-up is particularly necessary in patients with four or more metastatic lymph nodes to achieve early detection of recurrence. Randomized controlled trials should be used to develop effective modalities for each recurrence pattern to improve therapeutic outcomes.
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Affiliation(s)
- Chikara Kunisaki
- Department of Surgery, Gastroenterological Center, Yokohama City University, 4-57, Urafune-cho, Minami-ku, Yokohama 232-0024, Japan.
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250
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Morita M, Yoshida R, Ikeda K, Egashira A, Oki E, Sadanaga N, Kakeji Y, Yamanaka T, Maehara Y. Advances in esophageal cancer surgery in Japan: an analysis of 1000 consecutive patients treated at a single institute. Surgery 2008; 143:499-508. [PMID: 18374047 DOI: 10.1016/j.surg.2007.12.007] [Citation(s) in RCA: 137] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2007] [Accepted: 12/07/2007] [Indexed: 12/14/2022]
Abstract
BACKGROUND In Japan, most esophageal cancers are squamous cell carcinomas, and the results of esophagectomy have improved remarkably in recent years. The object of this study was to evaluate advances in operative therapy for esophageal cancer in Japan. METHOD We evaluated mortality, morbidity, and prognosis in 1000 consecutive patients who underwent esophagectomy for esophageal cancer at a single institution in Japan. The patients were divided into 3 groups according to the period when esophagectomy was performed: Group I (n = 197), 1964-1980; group II (n = 432), 1981-1993; and group III (n = 371), 1993-2006. RESULTS The incidence of squamous cell carcinoma was 94%. The morbidity rates were 62%, 38%, and 33 %, in groups I, II, and III, respectively (P < 0.01, groups I vs II and III), and the in-hospital mortality rates were 14.2%, 5.1%, and 2.4%, respectively (P < 0.01, between each group). The 5-year overall survival rate was 30% (14%, 27%, and 46% in groups I, II, and III, respectively; P < 0.0001). Multivariate analysis revealed age, gender, depth of invasion, node metastasis, distant metastasis, curability, extent of lymphadenectomy, resectability, and the period when the operation was performed as independent prognostic factors. CONCLUSION Generally, esophagectomy has been performed safely without critical complications; however, the prognosis has improved remarkably with advances in surgical techniques and treatment modalities.
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Affiliation(s)
- Masaru Morita
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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