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PubMed2006

Protective ventilation influences systemic inflammation after esophagectomy: a randomized controlled study.

BACKGROUND: Esophagectomy induces a systemic inflammatory response whose extent has been recognized as a predictive factor of postoperative respiratory morbidity. The aim of this study was to determine the effectiveness of a protective ventilatory strategy to reduce systemic inflammation in patients undergoing esophagectomy. METHODS: The authors prospectively investigated 52 patients undergoing planned esophagectomy for cancer. Patients were randomly assigned to a conventional ventilation strategy (n = 26; tidal volume of 9 ml/kg during two-lung and one-lung ventilation; no positive end-expiratory pressure) or a protective ventilation strategy (n = 26; tidal volume of 9 ml/kg during two-lung ventilation, reduced to 5 ml/kg during one-lung ventilation; positive end-expiratory pressure 5 cm H2O throughout the operative time). RESULTS: Plasmatic levels of interleukin (IL)-1beta, IL-6, IL-8, and tumor necrosis factor alpha were measured perioperatively and postoperatively. Pulmonary function and postoperative evolution were also evaluated. Patients who received protective strategy had lower blood levels of IL-1beta, IL-6, and IL-8 at the end of one-lung ventilation (0.24 [0.15-0.40] vs. 0.56 [0.38-0.89] pg/ml, P < 0.001; 91 [61-117] vs. 189 [127-294] pg/ml, P < 0.001; and 30 [22-45] vs. 49 [29-69] pg/ml, P < 0.05, respectively) and 18 h postoperatively (0.18 [0.13-0.30] vs. 0.43 [0.34-0.54] pg/ml, P < 0.001; 54 [36-89] vs. 116 [78-208] pg/ml, P < 0.001; 16 [11-24] vs. 35 [28-53] pg/ml, P < 0.001, respectively). Protective strategy resulted in higher oxygen partial pressure to inspired oxygen fraction ratio during one-lung ventilation and 1 h postoperatively and in a reduction of postoperative mechanical ventilation duration (115 +/- 38 vs. 171 +/- 57 min, P < 0.001). CONCLUSION: A protective ventilatory strategy decreases the proinflammatory systemic response after esophagectomy, improves lung function, and results in earlier extubation.

Aged↗

PubMed2002

Metaplastic columnar mucosa in the cervical esophagus after esophagectomy.

OBJECTIVE: To evaluate the pathogenesis of metaplastic processes within the esophagus using a human model in which the exact duration of reflux was known. SUMMARY BACKGROUND DATA: The pathogenesis of Barrett's esophagus (BE) is incompletely understood. Patients undergoing esophagectomy and gastric tube reconstruction represent a good model for studying the pathophysiology of columnar cell metaplasia of the human esophagus because the cervical esophagus is rarely or never exposed to gastric contents before the surgical procedure. METHODS: Thirty-two patients underwent manometry, simultaneous 24-hour pH and bilirubin monitoring, and endoscopy with biopsy 3 to 10.4 years after esophagectomy. The presence of columnar mucosa in the cervical esophagus was confirmed on histologic examination. The findings on endoscopy and histology were related to clinical data and the results of pH and bilirubin monitoring 1 cm proximal to the esophagogastrostomy. RESULTS: Fifteen (46.9%) of the 32 patients had metaplastic columnar mucosa within their cervical esophagus. Metaplasia was significantly more common in patients with a preoperative diagnosis of BE. The length of metaplastic mucosa correlated significantly with the degree of esophageal acid exposure, but the presence of abnormal bilirubin exposure was unrelated to the presence of metaplasia. The prevalence of metaplasia did not change with increasing time. Intestinal metaplasia was found within the columnar-lined segment in three patients 8.5, 9.5, and 10.4 years after esophagectomy. All patients with intestinal metaplasia had abnormal exposure of both acid and bilirubin, but the presence of combined reflux was not significantly higher in these patients compared with patients with nonintestinalized segments of columnar mucosa. CONCLUSIONS: Esophageal columnar metaplasia is a common complication after gastric pull-up esophagectomy. Metaplasia is more likely to develop in patients with previous BE than other patients. Metaplasia develops in response to squamous epithelial injury in predisposed individuals.

Adenocarcinoma↗

PubMed2002

Elevated expression of inducible nitric oxide synthase and inflammatory cytokines in the alveolar macrophages after esophagectomy.

OBJECTIVE: To evaluate the role of inducible nitric oxide (NO) synthase (iNOS) and inflammatory cytokines in alveolar macrophages (AMs) after esophagectomy in the pathogenesis of acute lung injury. DESIGN: Prospective, exploratory, open-labeled clinical study. SETTING: Intensive care unit and operating room in a university hospital. PATIENTS: Thirteen patients receiving esophagectomy with carcinoma of the esophagus (postesophagectomy group), ten patients just before the surgery (preoperation group), and seven patents receiving surgery less invasive than esophagectomy (other surgery group) were selected. INTERVENTIONS: Bronchoalveolar lavage fluid (BALF) and blood samples were obtained from study groups. MEASUREMENTS AND MAIN RESULTS: The AMs in the BALF collected from each group were stained immunohistochemically with antibodies against iNOS, interleukin (IL)-6, and IL-8. The intensities of these expressions were determined by semiquantitative cytofluorometric system. NOx (NO2- + NO3-), IL-6, and IL-8 levels in the BALF and plasma were measured concurrently. The expressional intensities of iNOS, IL-6, and IL-8 in AMs obtained from the postesophagectomy group were maximal 24 hrs after the skin incision and significantly more evident than those from other groups. The IL-6, IL-8, and NOx levels in BALF and IL-6 and IL-8 levels in plasma in the postesophagectomy patients were also elevated. The intensities of iNOS and inflammatory cytokines expressions in AMs were closely related to postoperative respiratory failure. CONCLUSIONS: The activation of topical alveolar macrophages may be involved in the pathogenesis of pulmonary complications in the postoperative period after esophagectomy.

Aged↗

PubMed2005

Association of angiotensin-converting enzyme insertion/deletion polymorphism with serum level and development of pulmonary complications following esophagectomy.

BACKGROUND: Pulmonary complications remain the major cause of postoperative mortality in patients with esophageal cancer undergoing esophagectomy. It was unclear whether this dismal complication has a genetic predisposition. We therefore investigated the role of an angiotensin-converting enzyme (ACE) insertion/deletion polymorphism in developing these complications. METHODS: We conducted a prospective study including 152 patients with esophageal cancer who underwent esophagectomy in National Taiwan University Hospital between 1996 and 2002. The ACE genotype was determined by polymerase chain reaction amplification of leukocyte DNA obtained before surgery. The serum ACE concentration was determined by enzyme-linked immunosorbent assay. RESULTS: Thirty-five patients (23%) developed pulmonary complications following esophagectomy. As compared with patients with the I/I and I/D genotypes, those with the D/D genotype had a higher risk for pulmonary complications (adjusted odds ratio [OR], 3.12; 95% confidence interval [CI], 1.01-9.65). The risk was additively enhanced by combination of the ACE D/D genotype with other clinical risk factors (old age, hypoalbuminemia, and poor pulmonary function). The circulating ACE level was also dose-dependently with the presence of ACE D allele. As compared with the patients with circulating ACE less than 200 ng/mL, the patients with circulating ACE of 200 to 400 ng/mL and over 400 ng/mL had ORs (95% CI) of 2.75 (1.12-6.67) and 15.00 (4.3-52.34) to present with ACE D allele, respectively. CONCLUSIONS: An ACE insertion/deletion polymorphism might modulate the function of ACE gene and play a role in affecting individual susceptibility to pulmonary injury following esophagectomy in patients of esophageal cancer.

Adult↗

PubMed2005

Intrathoracic leaks following esophagectomy are no longer associated with increased mortality.

OBJECTIVES: Assess outcomes following intrathoracic leaks after esophagectomy from 1970 to 2004 to evaluate the impact of evolving surgical and perioperative techniques on leak-associated mortality (LAM). SUMMARY BACKGROUND DATA: An intrathoracic leak following esophagectomy has historically been considered a catastrophic event, with mortality as high as 71%. Concerns about this complication often affect choice of surgical approach for esophagectomy. METHODS: A retrospective review of all esophagectomies for cancer from 1970 to 2004 (n = 1223) was performed. Outcomes following intrathoracic anastomoses (n = 621) were analyzed by era: historical 1970-1986 (n = 145) and modern 1987-2004 (n = 476). RESULTS: There was no difference in the frequency of leak between the time intervals (4.8% versus 6.3%, P = 0.5). Despite a significant increase in the use of preoperative chemoradiation (1% versus 42%, P < 0.001) in the historical versus modern era, the overall mortality decreased from 11% to 2.5% (P < 0.001). The LAM was markedly reduced from 43% to 3.3% (P = 0.016). Factors associated with LAM included failure to use enteral nutrition (HR 13.22, CI 1.8-96.8) and era in which the surgery was performed (HR 18.3, 1.9-180). Other differences included an increased proportion of successful reoperations for leak control (11/30 versus 0/7, P = 0.08) and use of reinforcing muscle flaps (7/11). In the modern era, perioperative mortality is not significantly different for patients with or without intrathoracic leaks (3.3% versus 2.5%, P = 0.55), nor is long-term survival (P = 0.16). CONCLUSIONS: Modern surgical management of intrathoracic leaks results in no increased mortality and has no impact on long-term survival. Clinical decisions regarding the use of intrathoracic anastomoses should not be affected by concerns of increased mortality from leak.

Adult↗

PubMed2001

Ketoconazole and pulmonary failure after esophagectomy: a prospective clinical trial.

Thromboxane is a key mediator in pulmonary injury after esophageal resection. In this prospective trial we studied the clinical course and development of pulmonary alterations in patients undergoing esophagectomy and prophylactic treatment with a thromboxane synthase inhibitor. Thirty-eight consecutive patients undergoing esophageal resection were treated pre- and perioperatively with 3 x 200 mg ketoconazole. The clinical course was studied and pulmonary function was assessed according to the Murray score. A historical group of 118 patients undergoing esophagectomy for benign and malignant esophageal diseases served as controls. Patients in both groups were similar in terms of age, sex, and preoperative pulmonary function, as well as in the anesthetic and surgical procedures performed. However, in the ketoconazole group, more patients were at risk of pulmonary failure by receiving neoadjuvant radiochemotherapy (22/38) or undergoing thoracotomies (33/38) than control subjects (14/118 and 80/118, P < 0.05). Two out of 38 ketoconazole-treated patients developed acute lung injury after esophagectomy, as did 20/118 control patients (P < 0.05). This prospective non-randomized clinical study (in patients subjected to esophagectomy) provides further evidence that prophylactic thromboxane synthase inhibition by ketoconazole reduces the incidence of acute lung injury in patients at risk.

Aged↗

PubMed2004

Cyclo-oxygenase-2 expression in esophageal adenocarcinoma as a determinant of clinical outcome following esophagectomy.

The aim of this study was to determine if cyclo-oxygenase-2 (COX-2) expression in adenocarcinoma of the esophagus affects survival outcome in patients undergoing esophagectomy. Ten patients surviving more than 3 years following an esophagectomy for adenocarcinoma of the esophagus were identified from an esophagectomy database maintained by the University of Adelaide Department of Surgery. An additional group of 10 patients, who underwent esophagectomy for adenocarcinoma, but who died within 12 months of surgery due to recurrent disease, were also identified. Pieces of the original formalin fixed carcinoma tissue embedded in paraffin blocks from all of these patients were obtained, and slices of the tumor specimens underwent immunohistochemical staining with COX-2 protein. The extent of staining was then graded by a single 'blinded' pathologist: grade 0, no staining; grade 1 +, limited staining; and grade 2 +, strong staining. Kaplan-Meier survival curves were then constructed and used to determine correlations between survival and COX-2 staining, tumor T-stage, local lymph node metastases, and tumor vascular invasion. Ninety-five percent (19/20) of patients stained positively for COX-2. Patients with grade 2 + staining had a significantly poorer survival outcome compared to grade 1 + patients (P = 0.03). There were also trends towards shorter survival with worsening T-stage, lymph node metastasis and vascular invasion. COX-2 protein appears to be expressed by most esophageal adenocarcinomas. An increased level of expression of COX-2 was associated with a poorer survival outcome in this study. COX-2 protein expression association could be a better prognostic indicator for esophageal adenocarcinoma than traditional histopathological staging.

Adenocarcinoma↗

PubMed2005

Neoadjuvant chemoradiotherapy followed by esophagectomy for initially resectable squamous cell carcinoma of the esophagus with multiple lymph node metastasis.

Neoadjuvant chemoradiotherapy (CRT) was expected to improve surgical curability and prognosis for advanced esophageal cancer. However, the clinical efficacy of neoadjuvant CRT followed by esophagectomy with three-field lymphadenectomy (3FL) for initially resectable esophageal squamous cell carcinoma (SCC) remains unclear. Since 1998, we have defined the status of metastases to five or more nodes, or nodal metastases present in all three fields as multiple lymph node metastasis, which was previously shown to be associated with poor prognosis. Between 1998 and 2002, 83 patients with initially resectable esophageal SCC were prospectively allocated into two groups, according to the clinical status of nodal metastasis. Nineteen patients clinically accompanied by multiple lymph node metastasis initially underwent neoadjuvant CRT followed by curative esophagectomy with 3FL (CRT group). The other 64 patients clinically without multiple lymph node metastasis immediately received curative esophagectomy with 3FL (control group). Although the overall morbidity rate was significantly higher in the CRT group, no in-hospital death occurred in either group. Patients without pathologic multiple lymph node metastasis in the CRT group showed a significantly better disease-free survival rate than either patients pathologically with multiple lymph node metastasis in the control group or those in the CRT group. However, the differences in the overall survival rate among the groups were not significant. Thus, the significant survival benefit by neoadjuvant CRT in addition to esophagectomy with 3FL was not confirmed, although it may have been advantageous, without increase in mortality, to at least some patients who responded well to neoadjuvant CRT. Therefore, neoadjuvant CRT can be an initial treatment of choice for resectable esophageal SCC clinically with multiple lymph node metastasis. The prediction of response to CRT and the development of alternative treatment for hematogenous recurrence could achieve a further survival benefit of this trimodality treatment.

Adult↗

PubMed2006

Minimally invasive esophagectomy: state of the art.

Open esophagectomy is associated with significant mortality and morbidity, even in experienced centers. Two of the more frequent complications following esophagectomy are pneumonia and respiratory failure. Single-institution series have suggested that the incidence of these complications may be decreased with minimally invasive esophagectomy, with equivalent survival compared to open esophagectomy. However, this operation is technically challenging. In this review we detail the procedure as performed in our center, and also discuss some recent developments.

Endoscopy, Digestive System↗

PubMed2005

Acid and duodenogastroesophageal reflux after esophagectomy with gastric tube reconstruction.

OBJECTIVE: Patients who undergo esophagectomy with gastric tube reconstruction incur increased risk for acid reflux and duodenogastroesophageal reflux. Few postesophagectomy studies of gastroesophageal reflux disease have included simultaneous 24-h pH and bilirubin monitoring. The aim of this study is to evaluate acid reflux and duodenogastroesophageal reflux after esophagectomy with gastric tube reconstruction. METHODS: Reflux symptom evaluation, endoscopy, and simultaneous 24-h pH and bilirubin monitoring in the cervical esophagus were performed in 25 patients who underwent Ivor Lewis esophagectomy, intrathoracic esophagogastrostomy, and digital dilation of the pyloric ring as treatment for esophageal cancer. RESULTS: Reflux symptoms were severe, mild, and absent in 2, 7, and 16 patients, respectively. Reflux esophagitis and Barrett's esophagus was observed in 11 and 1 patients, respectively. Elevated acid reflux occurred in 7 patients (28%). Elevated duodenogastroesophageal reflux was recorded in 11 patients (44%). Reflux profile analysis identified three patterns: 4 subjects (16%) with both elevated acid reflux and duodenogastroesophageal reflux; 3 (12%) with only elevated acid reflux; and 7 (28%) with only elevated duodenogastroesophageal reflux. Of 7 patients with only elevated duodenogastroesophageal reflux, 4 developed reflux esophagitis. Although reflux symptoms did not correlate with endoscopic esophagitis, a significant correlation was observed between endoscopic esophagitis and acid reflux and/or duodenogastroesophageal reflux. CONCLUSIONS: Reflux symptoms represented a poor indication of esophagitis in patients with esophagectomy and gastric tube reconstruction. Simultaneous 24-h pH and bilirubin monitoring can help in identifying patients at high risk for reflux esophagitis, as well as indicating the cause of esophagitis.

Aged↗

PubMed2006

Results of the combination of open transthoracic esophagectomy with laparoscopic gastric tube formation for esophageal cancer.

BACKGROUND: Postoperative complications after open transthoracic esophagectomy could possibly be reduced if the abdominal phase is performed laparoscopically. The aim of this study was to investigate the feasibility of laparoscopic mobilization of the stomach and gastric tube formation in patients undergoing an open transthoracic esophagectomy for cancer. METHODS: Thirteen patients underwent an open transthoracic esophagectomy with extended en bloc lymphadenectomy combined with laparoscopic gastric tube formation. Clinicopathological data were derived from a prospective database and patient files. RESULTS: The median operation time was 484 min (range 347-573) and the median intraoperative blood loss was 1,500 ml (range 250-3,700). In 2 patients the laparoscopic procedure was converted to a laparotomy because of technical difficulties. Median postoperative stay in the ICU was 3 days (range 1-8) and median hospital stay was 29 days (range 12-104). One patient died in the hospital. Postoperatively 3 patients suffered from anastomotic leakage, 5 from pneumonia and 3 from vocal cord palsy. CONCLUSIONS: The complication rate was high in this series of patients undergoing an open extended transthoracic esophagectomy with laparoscopic mobilization of the stomach and gastric tube formation. Laparoscopic mobilization of the stomach and gastric tube formation are feasible, but need carefully guided testing before this technique can be applied routinely.

Adult↗

PubMed1996

Concurrent radiation therapy and chemotherapy followed by esophagectomy for localized esophageal carcinoma.

PURPOSE: A prospective study was performed to determine the outcome of patients with esophageal cancer who received preoperative radiation therapy and chemotherapy followed by esophagectomy, and to determine the role of preresection esophagogastroduodenoscopy (EGD) in predicting the patients in whom surgery could possibly be omitted, and the impact of surgery on survival. MATERIALS AND METHODS: Thirty-five patients with localized carcinoma of the esophagus received concurrent external-beam radiotherapy and chemotherapy followed by esophagectomy. Patients received 45 Gy in 25 fractions. Chemotherapy consisted of continuous infusion fluorouracil (5-FU; 1,000 mg/m2/d) on days 1 through 4 and 29 through 32 and cisplatin (100 mg/m2) on day 1. Patients underwent an Ivor-Lewis esophagectomy 18 to 33 days after completion of radiotherapy. RESULTS: Eighty percent of the patients had squamous cell carcinoma and 20% had adenocarcinoma. In addition, 51% had a pathologic complete response (CR). Twenty-two of the 35 underwent a preresection EGD before resection. Seventeen of the 22 (77%) had negative pathology from the preresection EGD, but seven of the 17 (41%) had residual tumor at surgery. The median survival and disease-free survival rates for all patients were 25.8 months and 32.8 months, respectively. Eighteen patients (51%) had no tumor at resection. The median survival for these patients was 36.8 months; the median disease-free survival time has not been reached. The median survival and disease-free survival rate for the patients with residual tumor in the surgical specimen were 12.9 months and 10.8 months, respectively. CONCLUSION: Preresection EGD is not reliable for determining the presence of residual disease or the patients in whom surgery could be omitted. Twenty-five percent of the patients with residual tumor in the resected surgical specimen were long-term survivors; this suggests a benefit from esophagectomy after concurrent radiotherapy and chemotherapy.

Adenocarcinoma↗

PubMed1999

Extended radical esophagectomy for superficially invasive carcinoma of the esophagus.

BACKGROUND: The purpose of the study was to determine whether extended radical esophagectomy is both clinically and oncologically indicated for patients with superficially invasive esophageal carcinomas. METHODS: We reviewed 51 patients with this disease in whom extended radical esophagectomy was performed. RESULTS: Major morbidity developed in 80% of the patients associated with no mortality after the operation. At surgery lymph node metastases were found in 29 patients (57%). Although the number of positive nodes was 3 or less in 93% of those patients, the tumors metastasized not only to the mediastinal nodes but also to the cervical and abdominal nodes, frequently jumping the first echelon of nodes. The overall 5-year survival rate was 68%. The survival curve of the patients with positive nodes was significantly worse (P < .01) than that of patients with negative nodes: the respective 5-year survival rates were 47% and 93%. However, no significant difference was detected between the survival curves of the patients with cervical metastases and those with noncervical metastases. CONCLUSIONS: Extended radical esophagectomy is needed for complete tumor clearance and may be effective in improving the rate of cure in patients with superficially invasive esophageal carcinoma. However, patients should be selected carefully for the performance of extended radical esophagectomy because this procedure is potentially associated with high morbidity rates.

Adult↗

PubMedDate not supplied

Omentoplasty for cervical esophagogastrostomy following radical esophagectomy with three-field dissection.

BACKGROUND/AIMS: Anastomotic leakage is the main cause of postoperative mortality and incidence of which, following three-field lymph node dissection, is around 30%. The study was undertaken to investigate the role of omentoplasty to reinforce cervical esophagogastrostomy with the expectation of lowering the rate of anastomotic leakage after radical esophagectomy with three-field lymph node dissection. METHODOLOGY: Between July 1995 and Dec 1997, a total of 32 patients underwent total thoracic esophagectomy with three-field lymph node dissection and cervical esophagogastrostomy. Eleven patients were stage IIA, 3 stage IIB, 5 stage III and 13 stage IV. After radical esophagectomy and lymph node dissection, several omental branches of the gastroepiploic vessels remained to supply a gastric tube. An end-to-side cervical esophagogastrostomy was performed on the posterior wall of the gastric tube using a circular stapler. The omentoplasty--wrapping the esophagogastrostomy--was performed. A retrosternal route for reconstruction was used in 23 patients and a posterior mediastinal route in 9 patients. RESULTS: Esophageal anastomotic leakage occurred in only 1 patient, 3.1% overall. There was neither pyothorax nor mediastinitis. There was no lethal anastomotic leakage. Later, 2 patients (6.2%) developed an anastomotic stricture that required balloon dilatation. CONCLUSIONS: Omentoplasty to reinforce cervical esophagogastrostomy decreases anastomotic failure following radical esophagectomy with three-field lymph node dissection.

Aged↗

PubMed2002

[Thoracoscopic esophagectomy].

The current roles of thoracoscopic esophagectomy in the treatment of cancer in Japan are described. Lymphadenectomy of the same quality as open surgery should be performed thoracoscopically to obtain good oncological outcomes. The indications for thoracoscopic esophagectomy are 1) no extensive pleural adhesions; 2) pulmonary function sufficient for single-lung ventilation; and 3) tumor not invading other organs. Hand-assisted or mini-thoracotomy facilitates the dissection of lymph nodes, especially on the left side of the trachea. However, for any type of procedure, a good en-face view is essential for safe and accurate lymphadenectomy. The magnifying effect of video, with the camera in close proximity, is important to maintain a proper dissecting plane. Although sufficient experience is necessary to master the learning curve, lymphadenectomy of the same quality as open surgery can be performed with mini-thoracotomy in a feasible time period. Thoracoscopic esophagectomy contributes to reducing postoperative pain and constrictive pulmonary dysfunction. It may be too soon to assert that the thoracoscopic approach can provide oncological outcomes comparable to those after open surgery because long-term follow up is not yet sufficient. Thoracoscopic esophagectomy, however, has the potential to improve the postoperative quality of life of patients with esophageal cancer.

Esophageal Neoplasms↗

PubMedDate not supplied

Minimally invasive esophagectomy in the elderly.

OBJECTIVES: In recent years, older patients are being referred for esophagectomy, and the associated morbidity and mortality is not well defined. Advances in minimally invasive techniques now allow minimally invasive esophagectomy (MIE) to be performed that may minimize the morbidity of this procedure. The objective of this report was to summarize our experience with MIE in the elderly. METHODS: From February 1997 through February 2001, 41 patients (14 women, 27 men) 75 years of age or older (mean age 78, range 75 to 89) underwent esophagectomy (28 for adenocarcinoma, 7 squamous, 6 Barrett's with high-grade dysplasia). RESULTS: Esophagectomy was performed in a minimally invasive fashion in 41 patients. No open conversions were necessary. The median ICU stay was 1 day (range 1 to 34). The median hospital stay was 7 days (range 5 to 50). Major morbidity occurred in 19% of the cases and included 1 persistent air leak, 1 case of pneumonia with acute respiratory failure, 1 tracheal tear, 1 chylothorax, and 1 myocardial infarction. Three anastomotic leaks and 1 small bowel perforation occurred. All were recognized early and treated surgically. No perioperative mortalities took place. CONCLUSION: In our center, MIE was performed in elderly patients with an acceptable morbidity, low mortality, and reduced length of hospital stay compared with that in previous reports.

Adenocarcinoma↗

PubMed2003

[Minimally invasive esophagectomy with 10 cm thoracotomy assisted thoracoscopy for the thoracic esophageal cancer].

We have been successfully performing minimally invasive esophagectomy through a 10-cm thoracotomy and two trocar ports. Esophagectomy can be performed safely and efficiently via the thoracoscopy. We have also adapted hand assisted laparoscopic surgery (HALS) for the abdominal procedure through a 7-cm laparotomy and three trocar ports. One of the important points of esophagectomy for thoracic esophageal cancer is performing lymphadenectomy near either side recurrent laryngeal nerve. Another important point is to preserve the bronchial branch of the vagus nerve and both bronchial arteries if they are without cancerous invasion. We also preserve the azygos vein and the thoracic duct to minimize surgical invasion. Standard thoracotomy and laparotomy are significantly invasive procedures with potential complications and prolonged healing; minimally invasive esophagectomy has the potential to minimize morbidity and decrease healing time.

Esophageal Neoplasms↗

PubMed2003

Combined endoscopic mucosal resection and photodynamic therapy versus esophagectomy for management of early adenocarcinoma in Barrett's esophagus.

BACKGROUND & AIMS: Although esophagectomy is the standard of care for treating early adenocarcinoma in Barrett's esophagus, the procedure is associated with significant morbidity and mortality. For these patients, the multimodal approach of endoscopic mucosal resection and photodynamic therapy (EMR/PDT) may be a viable, less invasive option. METHODS: A retrospective review (1996-2001) of all patients undergoing either combined EMR/PDT group or esophagectomy (SURG) for early-stage Barrett's adenocarcinoma was performed. Data were collected on patient demographics, tumor staging, procedure-related morbidity and mortality, persistence or recurrence of cancer, and cancer-related deaths after therapy. Differences in outcomes between the 2 groups were assessed. RESULTS: Twenty-four patients were identified in the EMR/PDT group and 64 in the SURG group. The SURG group was found to have a significantly higher procedure-related complication rate compared with the EMR/PDT group (31 vs. 4; P < 0.01). There were no procedure-related deaths in the EMR/PDT group, whereas one death occurred in the SURG group as a result of complications. Eighty-three percent of patients (20 of 24) in the EMR/PDT group and all patients in the SURG group remained free of cancer over a follow-up of 12 +/- 2 and 19 +/- 3 months, respectively. Four patients in the EMR/PDT group failed to respond to therapy; 2 of them underwent alternate therapies and are free of disease, whereas the other 2 died of unrelated causes. CONCLUSIONS: The combination of EMR/PDT seems to be a viable and less morbid alternative to standard esophagectomy in patients presenting with early Barrett's esophageal adenocarcinoma. A prospective randomized, controlled trial of EMR/PDT compared with esophagectomy for managing early adenocarcinoma in Barrett's esophagus may be warranted.

Adenocarcinoma↗