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Background: Neoadjuvant chemotherapy (nCT) combined with surgery is one of the main strategies for the treatment of resectable locally advanced esophageal squamous cell carcinoma (ESCC). However, nearly 40% of patients did not benefit from nCT, and the detection rate of NOTCH1 missense mutation was significantly increased in patients who did not respond to chemotherapy, suggesting that the missense mutation may be related to tumor chemoresistance. We aim to explore the effect of a NOTCH1 missense mutation on cell phenotype, to interpret the biofunctional changes in cell lines with a NOTCH1 missense mutation and to analyze the effect of a NOTCH1 missense mutation on drug resistance in ESCC cell lines. Methods: Sanger sequencing was used to evaluate the exon mutations in the NOTCH1 ligand binding region of candidate ESCC cell lines. After screening, KYSE450 and KYSE140 cells were selected as the research objects, and point mutation cell lines [KYSE140-mutant-type (MT) and KYSE450-MT] were constructed by CRISPR/Cas9 technology. Then, functional experiments were performed with the four cell lines [KYSE450-MT/wild-type (WT) and KYSE140-MT/WT]. The drug resistance of ESCC cell lines was assessed with a drug sensitivity test, and the proliferation, invasion and migration of ESCC lines were evaluated by proliferation test, scratch test and Transwell test. The cell cycle status of ESCC cells was assessed using flow cytometry. Results: Drug sensitivity tests showed that the NOTCH1 p.E450K point mutation caused chemotherapy resistance in KYSE140 and KYSE450 ESCC cell lines. Cell proliferation, Wound scratch and Transwell assays showed that the NOTCH1 p.E450K point mutation enhanced the proliferation, invasion and migration abilities of KYSE140 and KYSE450 cells. Flow cytometry analysis showed that the NOTCH1 p.E450K point mutation caused an increase in KYSE140 and KYSE450 cells in S phase. Conclusions: The NOTCH1 p.E450K point mutation causes chemotherapy resistance in KYSE140 and KYSE450 ESCC cells. Cell functional experiments showed that the NOTCH1 p.E450K point mutation enhanced the proliferation, migration and invasion abilities of KYSE140 and KYSE450 cells and increased the number of cells in S phase.
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BACKGROUND: Studies about the influence of weekday of esophagectomy on survival are limited and show conflicting results. This study aimed to explore whether weekday of esophagectomy affects patient's survival outcomes. METHODS: Patients who underwent esophagectomy in a grade-A tertiary hospital from January 2015 to December 2016 were enrolled. The primary outcome was 5-year overall survival (OS). The secondary outcomes were 5-year disease-free survival (DFS) and days of hospitalization. The impact of weekday surgery on 5-year OS and DFS were evaluated with Cox regression, and impact on days of hospitalization was assessed using logistic regression. Propensity score matching (PSM) analysis was used to balance the confounding factors. RESULTS: A total of 1478 patients were included. The 5-year OS and DFS were 63.77% and 59.26% respectively. Multivariate analyses adjusted for covariables indicated that weekday was not significantly associated with OS (P = 0.076), nor days of hospitalization (P = 0.824), but it appeared to be associated with DFS (P = 0.044). Additionally, PSM analysis showed no significant effect of weekday on the 5-year OS, nor DFS and days of hospitalization. CONCLUSION: In patients diagnosed with squamous esophageal cancer, the survival outcome of patients was not influenced by weekday.
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Neoplasias Esofágicas , Humanos , Estudos Retrospectivos , Neoplasias Esofágicas/cirurgia , Intervalo Livre de Doença , Intervalo Livre de Progressão , Hospitalização , Esofagectomia/métodos , Pontuação de PropensãoRESUMO
This study was completed to evaluate the relationship between tumor length and the prognosis of patients with pathological stage IA-IC esophageal adenocarcinoma (EAC). Patients were identified from the Surveillance, Epidemiology, and End Results Program database (United States, 2006-2015). X-tile software and ROC analysis were mainly used to explore the best threshold of tumor length for dividing patients into different groups, and then propensity score matching (PSM) was used to balance other variables between groups. The primary outcome assessed was overall survival (OS). A total of 762 patients were identified, and 500 patients were left after PSM. Twenty millimeters were used as the threshold of tumor length. Patients with longer tumor lengths showed worse OS (median: 93 vs. 128 months; P = 0.006). Multivariable Cox regression analysis showed that longer tumor length was an independent risk factor (hazard ratio 1.512, 95% confidence interval, 1.158-1.974, P = 0.002). Tumor length has an impact on patients with pathological stage IA-IC EAC who undergo surgery alone. The prognostic value of the pathological stage group may be improved after combining it with tumor length and age.
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Adenocarcinoma , Neoplasias Esofágicas , Humanos , Estados Unidos , Prognóstico , Estadiamento de Neoplasias , Adenocarcinoma/patologia , Neoplasias Esofágicas/cirurgia , Neoplasias Esofágicas/patologia , Pontuação de PropensãoRESUMO
BACKGROUND: Chemotherapy and chemoradiation have become essential adjuncts to improve the survival of patients with resectable esophageal squamous cell carcinoma (ESCC) in the perioperative period. Although preoperative treatment plus surgery is commonly used, controversy remains regarding the optimal treatment strategy for patients with locally advanced ESCC. METHODS: A retrospective review of clinical stage II and III ESCC patients who underwent esophagectomy at Henan Cancer Hospital between October 2014 and October 2017 was performed. The patients were divided into a neoadjuvant chemotherapy (NAC) group and an adjuvant chemotherapy (AC) group. Propensity score matching (PSM) was used to exclude confounders. Survival was estimated using KaplanâMeier analysis and compared by the log-rank test. The Cox proportional hazards regression model was used for both the univariate and multivariate analyses. RESULTS: A total of 684 patients were enrolled, including 365 (53.4%) patients in the NAC group. After PSM, 294 pairs of patients were left. NAC prolonged the OS (not reached versus 57.3 months, P = 0.002) and DFS (57.2 vs. 36.4 months, P = 0.010) and decreased the total rate of recurrence (50.1% vs. 59.2%, P = 0.025) and local recurrence (27.9% vs. 36.7%, P = 0.022) compared with AC. The multivariable analyses showed that NAC plus surgery modality was an independent predictor for improved OS (HR: 0.582, 95% CI: 0.467-0.786, P = 0.001). CONCLUSION: NAC plus surgery prolonged OS and DFS, and significantly decreased the total rate of recurrence compared with surgery plus AC in patients with clinical stage II and III ESCC.
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Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Humanos , Carcinoma de Células Escamosas do Esôfago/patologia , Neoplasias Esofágicas/tratamento farmacológico , Neoplasias Esofágicas/cirurgia , Terapia Neoadjuvante , Quimioterapia Adjuvante , Quimiorradioterapia , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Esofagectomia , Estudos Retrospectivos , Estadiamento de NeoplasiasRESUMO
Background: The aim of this study was to compare the efficacy of adjuvant chemotherapy after neoadjuvant chemotherapy in patients with esophageal squamous cell carcinoma (ESCC). Methods: This retrospective study included patients diagnosed with ESCC at clinical stage T1N1-3M0 or T2-4N0-3M0. Six hundred and eleven patients underwent radical tumor surgical resection after neoadjuvant chemotherapy. Adjuvant chemotherapy was mainly a platinum-based combination regimen. Propensity score matching (PSM) was used to compare adjuvant chemotherapy (AC) vs. postoperative observation (POB) after surgery. Results: A total of 611 patients were eligible, with 381 in the POB group and 230 in the AC group. POB group patients were younger (P=0.046) and at a later stage (ypT3/4: 127 [55%] vs. 177 [46%]), P=0.036; yPN+: 117[51%] vs. 3428[37%], P=0.001) before PSM. After 1:1 PSM, 213 pairs of patients were included in analysis. The 5-year overall survival (OS) was 60.6% and 57.2% in the POB and AC groups, respectively (HR 1.10, 95% CI: 0.80-1.51, P=0.562), and adjuvant chemotherapy did not improve OS compared with postoperative observation. Conclusions: Postoperative adjuvant chemotherapy cannot improve the OS of patients with ESCC after neoadjuvant chemotherapy, but adjuvant chemotherapy tends to benefit ypN+ patients.
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No adjuvant treatment has been established for patients who remain at high risk of recurrence and incidental pathologic lymph node metastasis for esophageal squamous cell carcinoma (ESCC). In this open-label, multicenter, phase III, randomized controlled trial, ESCC patients who did not achieve pathologic complete response after neoadjuvant chemotherapy plus surgery and clinical T1-2 N0 patients with incidental pathologic lymph node metastasis following initial surgery were randomized at a 2:1 ratio to receive either a sintilimab regimen or observational management (NCT05495152). The primary end point was disease-free survival for all randomized patients. The results of this randomized controlled trial addressed controversy regarding the survival benefits of adjuvant sintilimab treatment for patients with resected locally advanced ESCC. Clinical Trial Registration: NCT05495152 (ClinicalTrials.gov).
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Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Humanos , Adjuvantes Imunológicos , Neoplasias Esofágicas/tratamento farmacológico , Carcinoma de Células Escamosas do Esôfago/tratamento farmacológico , Metástase LinfáticaRESUMO
Objective: For elderly patients aged ≥75 with esophageal cancer, whether surgical treatment is safe and effective and whether it is feasible to use a relatively radical "no tube, no fasting" fast-track recovery protocol remain topics of debate. We conducted a retrospective analysis to shed light on these two questions. Methods: We retrospectively collected the data of patients who underwent McKeown minimally invasive esophagectomy (MIE) combined with early oral feeding (EOF) on postoperative day 1 between April 2015 and December 2017 at Medical Group 1, Ward 1, Department of Thoracic Surgery of our hospital. Preoperative characteristics, postoperative complications, operation time, intraoperative blood loss, duration of anastomotic leakage (day), hospital stay, and survival were evaluated. Results: Twenty-three elderly patients with esophageal cancer underwent surgery with EOF. No significant difference was observed in intraoperative measures. The incidence of postoperative complications was 34.8% (8/23). Two patients (8.7%) were terminated early during the analysis of the feasibility of EOF. For all 23 patients, the mean hospital stay was 11.4 (5-42) days, and the median survival was 51 months. Conclusion: Patients aged ≥75 with resectable esophageal cancer can achieve long-term survival with active surgical treatment. Moreover, the "no tube, no fasting" fast-track recovery protocol is safe and feasible for elderly patients.
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PURPOSE: The purpose of this retrospective study was to define the pattern of lymph nodal metastases in patients with esophageal squamous cell carcinoma (ESCC) after neoadjuvant chemotherapy (NCT) followed by esophagectomy and to evaluate its influence on prognosis. METHODS: A total of 398 patients with clinical stage T3N0 or T1-3N+ ESCC who underwent NCT and radical esophagectomy with two-field lymphadenectomy were included. The distribution and frequency of metastases were counted separately for each lymph node station. The ypN stage, number of positive lymph node stations and lymph node stations with a metastasis rate greater than 5% were analyzed by using univariate Cox regression, followed by separate multivariable Cox regression analyses after adjusting for various clinical factors. RESULTS: Lymph node metastases were most frequently observed in the right upper paratracheal (16.8%) and left gastric artery (13.1%) stations. Multivariable models controlling for clinical factors showed that ypN stage remained a significant independent predictor of survival (N1 vs. N0: hazard ratio [HR], 2.30, 95% confidence interval [CI] 1.38-3.83, P < 0.001; N2 vs. N0: HR, 3.76, 95% CI 2.21-6.38, P < 0.001; N3 vs. N0: HR, 7.14, 95% CI 3.78-13.48, P < 0.001). The model from the multivariable analysis with the highest c-index score, indicating superior discriminatory preference, was ypN stage (c-index, 0.72). CONCLUSIONS: The pattern and influence of lymph node metastases after NCT will provide guidance on the extent of lymphadenectomy. Common positive lymph node stations for thoracic ESCC after NCT include the paratracheal, subcarinal, paraesophageal, paracardial, and left gastric artery stations.
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Carcinoma de Células Escamosas , Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Humanos , Carcinoma de Células Escamosas do Esôfago/cirurgia , Carcinoma de Células Escamosas do Esôfago/patologia , Neoplasias Esofágicas/tratamento farmacológico , Neoplasias Esofágicas/cirurgia , Carcinoma de Células Escamosas/tratamento farmacológico , Carcinoma de Células Escamosas/cirurgia , Terapia Neoadjuvante , Metástase Linfática/patologia , Estudos Retrospectivos , Seguimentos , Linfonodos/cirurgia , Linfonodos/patologia , Excisão de Linfonodo , Esofagectomia , Estadiamento de NeoplasiasRESUMO
Background: The optimal treatment for pulmonary metastases has not been determined, and the survival benefit of surgical resection in selected patients remains controversial. The purpose of this retrospective study was to explore whether surgery can prolong survival in patients with pulmonary metastases compared with chemotherapy, and to analyze the factors that may affect the long-term survival of patients with pulmonary metastases. Methods: We retrospectively analyzed the medical records of patients with pulmonary metastases from June 2012 to June 2019. Propensity score matching (PSM) was used to balance factors that might affect survival between the two groups. The data were analyzed by Kaplan-Meier survival analysis and Cox proportional hazards models to compare the survival of the surgery group and the chemotherapy group. Results: A total of 202 patients with pulmonary metastases were enrolled in the study, with 43 patients in the surgery group and 43 in the chemotherapy group after screening and PSM. After PSM, patients in the surgery group had better survival than those in the chemotherapy group, with 5-year overall survival (OS) rates of 75.1% and 48.0%, respectively (P=0.017). Univariate analysis of the two groups of patients found that the treatment method, the number of metastases, and the total diameter of metastases were prognostic factors, but multivariate analysis did not find independent prognostic factors. In the surgical group, univariate analysis found that disease-free interval (DFI), the number of metastases, surgical methods, resection scope and surgical route were prognostic factors, and multivariate analysis showed that only DFI was an independent prognostic factor. In the chemotherapy group, DFI and the response of metastases to chemotherapy were found to be prognostic factors in univariate analysis, but no independent prognostic factors were found in multivariate analysis. Conclusions: Surgery does not provide a significant survival advantage. For patients undergoing surgery, longer DFI predicts better survival.
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INTRODUCTION: Difference of the short diameter of lymph nodes in the main regions of esophageal squamous cell carcinoma (ESCC) and its value in the diagnosis of lymph nodes need to explore. METHODS: The clinical data of patients with thoracic ESCC who underwent surgical treatment in our hospital were collected. The short diameters of the largest lymph node in each region of the patient were measured by preoperative enhanced computed tomography (CT) and were compared with the postoperative pathology. RESULTS: A total of 477 patients with thoracic ESCC who did not receive neoadjuvant therapy were enrolled in this study. The receiver operating characteristic curve suggested that the short diameters of the paracardial nodes, the left gastric nodes, the right recurrent laryngeal nerve nodes, and the left recurrent laryngeal nerve nodes could well predict the postoperative pathology of the lymph nodes, with area under curve (AUC) of 0.958, 0.937, 0.931, and 0.915, the corresponding cut-off values of 5.7 mm, 5.7 mm, 5.5 mm, and 4.8 mm, the corresponding sensitivities of 94.7%, 85.4%, 88.7%, and 79.4%, and the corresponding specificities of 93.7%, 96.3%, 86.2%, and 95.0%, respectively. The AUC of the thoracic paraesophageal lymph nodes, the subcarinal nodes and all regional lymph nodes were 0.845, 0.688, and 0.776, respectively. CONCLUSION: Region-based criterion for lymph node metastasis of thoracic ESCC is beneficial to improve the diagnostic efficiency of preoperative CT.
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Carcinoma de Células Escamosas , Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Humanos , Carcinoma de Células Escamosas do Esôfago/cirurgia , Carcinoma de Células Escamosas do Esôfago/patologia , Carcinoma de Células Escamosas/diagnóstico por imagem , Carcinoma de Células Escamosas/cirurgia , Neoplasias Esofágicas/diagnóstico por imagem , Neoplasias Esofágicas/cirurgia , Neoplasias Esofágicas/patologia , Metástase Linfática/patologia , Linfonodos/patologia , Excisão de Linfonodo , Estudos Retrospectivos , EsofagectomiaRESUMO
Background: Negative evidence for the use of neoadjuvant chemotherapy (NAC) to treat oesophageal squamous cell carcinoma (ESCC) has been reported in Western countries in the past century. However, in China, most ESCC patients underwent paclitaxel and platinum-based NAC without evidence from local RCTs. Empiricism or a lack of evidence does not necessarily mean that the evidence is negative. However, there was no way to compensate for the missing evidence. The only way to obtain evidence is by conducting a retrospective study using propensity score matching (PSM) to compare the effects of NAC and primary surgery on overall survival (OS) and disease-free survival (DFS) among ESCC patients in China, which is the country with the highest prevalence of ESCC patients. Methods: From January 1, 2015, to December 31, 2018, a total of 5443 patients with oesophageal cancer/oesophagogastric junction carcinoma who underwent oesophagectomy were retrospectively identified at Henan Cancer Hospital. After PSM, 826 patients were selected for the retrospective study and divided into the NAC and primary surgery groups. The median follow-up period was 54.08 months. Toxicity and tumour responses to NAC, intraoperative and postoperative outcomes, recurrence, DFS and OS were analysed. Results: The postoperative complication rates were not significantly different between the two groups. The 5-year DFS rates were 57.48% (95% CI, 52.05% to 62.53%) for the NAC group and 49.93% (95% CI, 44.56% to 55.05%) for the primary surgery group (P=0.0129). The 5-year OS rates were 62.95% (95% CI, 57.63% to 67.79%) for the NAC group and 56.29% (95% CI, 50.99% to 61.25%) for the primary surgery group (P=0.0397). Conclusion: Compared with primary surgery, NAC with paclitaxel and platinum-based chemotherapy and two-field extensive mediastinal lymphadenectomy might be associated with long-term survival benefits among ESCC patients.
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BACKGROUND: The feasibility and safety of en bloc robot-assisted minimally invasive oesophagectomy (RAMIE) need to be verified. METHODS: Forty-seven patients who received conventional RAMIE and 31 who received modified en bloc RAMIE at Henan Cancer Hospital were included in the study cohort. We compared the perioperative outcomes of conventional RAMIE and modified en bloc RAMIE. RESULTS: Compared with the conventional RAMIE group, the en bloc RAMIE group yielded a higher total number of lymph nodes (p = 0.001), especially thoracic lymph nodes (p = 0.025) and left recurrent laryngeal nerve (RLN) lymph nodes (p = 0.005). No notable differences were found in the rate of total complications (p = 0.663) or RLN injury (p = 0.891) between the two groups. The preoperative and postoperative serological indicators were comparable between the two groups. CONCLUSIONS: Modified en bloc RAMIE was safe and feasible for patients with oesophageal squamous cell carcinoma and improved lymph node dissection, especially thoracic and left RLN lymph node dissection.
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Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Robótica , Humanos , Carcinoma de Células Escamosas do Esôfago/cirurgia , Carcinoma de Células Escamosas do Esôfago/patologia , Esofagectomia , Neoplasias Esofágicas/cirurgia , Neoplasias Esofágicas/patologia , Estudos Retrospectivos , Excisão de Linfonodo , Linfonodos/cirurgiaRESUMO
This study aimed to investigate the survival impact of the number of lymph nodes dissection (LND) in patients receiving neoadjuvant chemotherapy (NCT) for esophageal squamous cell carcinoma (ESCC). We retrospectively analyzed the clinical pathological data and survival of 407 ESCC patients who underwent esophagectomy after NCT between January 2015 and December 2016. The relationship between the number of LNDs and 5-year overall survival (OS) or disease-free survival (DFS) was plotted by using restricted cubic spline analysis. A Cox proportional hazards regression model was used to identify prognostic factors of OS and DFS. We observed an obvious non-linear relationship between LND and the hazard ratios (HRs) for OS (P = 0.0015) and DFS (P < 0.001) of all the patients. In the multivariate analysis of OS and DFS, the number of LNDs (greater than 28 and less than 46) had a significant protective effect on survival (OS: HR: 0.61, 95% CI: 0.42-0.88, P = 0.007; DFS: HR: 0.50, 95% CI: 0.36-0.70, P < 0.001). For patients with nodal metastases, it was also an independent prognostic factor for OS (HR, 0.56, 95% CI, 0.35-0.90, P = 0.017) and DFS (HR, 0.42, 95% CI, 0.28-0.65, P < 0.001). Some degree of lymphadenectomy after NCT was beneficial in improving 5-year OS and DFS for ESCC patients with nodal metastases. For patients with nodal negativity, more extended lymphadenectomy did not improve patient survival.
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Carcinoma de Células Escamosas , Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Humanos , Carcinoma de Células Escamosas do Esôfago/cirurgia , Carcinoma de Células Escamosas do Esôfago/patologia , Neoplasias Esofágicas/tratamento farmacológico , Neoplasias Esofágicas/cirurgia , Terapia Neoadjuvante , Carcinoma de Células Escamosas/tratamento farmacológico , Carcinoma de Células Escamosas/cirurgia , Estudos Retrospectivos , Prognóstico , Estadiamento de Neoplasias , Excisão de Linfonodo , Linfonodos/cirurgia , Linfonodos/patologia , EsofagectomiaRESUMO
BACKGROUND: This study aimed to evaluate the perioperative outcomes of patients undergoing robot-assisted McKeown esophagectomy (RAME) and the learning curves of surgeons performing RAME at a single center. METHODS: Perioperative outcomes of RAME and video-assisted McKeown esophagectomy (VAME) were compared after eliminating confounding factors by propensity score matching (PSM). The cumulative sum (CUSUM) method was used to evaluate the learning curves of RAME for a single surgical team. RESULTS: In general, a total of 198 patients with esophageal cancer (RAME: 45 patients, VAME: 153 patients) were included in this study, and 43 pairs of patients receiving RAME or VAME were matched using 1:1 PSM analysis. Those in the RAME group had more lymph nodes dissected in the total lymph nodes (median 29.0 vs. 26.0, P = 0.011) and the upper mediastinum (median 8.0 vs. 6.0, P < 0.001), especially the left recurrent laryngeal nerve (RLN) lymph node (median 4.0 vs. 2.0, P = 0.001). According to the trend of the CUSUM plot, the learning curve was divided into two stages at the 20th RAME procedure. After mastering the learning curve, RAME harvested a significantly higher number of upper mediastinal lymph nodes (median 9.0 vs. 6.0, P = 0.001), left RLN lymph nodes (median 5.0 vs. 3.5, P = 0.003), and right RLN lymph nodes (median 4.0 vs. 2.0, P = 0.002). Meanwhile, the incidence of postoperative pneumonia in the proficiency phase was significantly lower than that in the learning phase (4.0% vs. 25.0%, P = 0.04). CONCLUSIONS: RAME improved left RLN lymph node dissection. Surgeons with extensive VAME experience need at least 20 cases to achieve early proficiency in RAME.
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Neoplasias Esofágicas , Robótica , Humanos , Curva de Aprendizado , Esofagectomia/métodos , Excisão de Linfonodo/métodos , Linfonodos/patologia , Neoplasias Esofágicas/cirurgia , Neoplasias Esofágicas/patologia , Estudos Retrospectivos , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologiaRESUMO
Our non-tube no fasting (early oral feeding and no nasogastric tube) fast-track surgery (FTS) was safe and effective to combine with neoadjuvant chemotherapy for McKeown minimally invasive esophagectomy. In addition, the two groups were similar in terms of the recovery time, hospital discharge day, and early resumption of oral feeding. Objectives: To evaluate the safety of early oral feeding (EOF) combined with neoadjuvant chemotherapy (NAC) of esophagectomy. Summary Background Data: Our non-tube no fasting (early oral feeding and no nasogastric tube) fast-track surgery (FTS) was safe and effective for primary surgery esophageal cancer patients. Methods: We retrospectively evaluated consecutive patients who underwent non-tube no fasting and McKeown minimally invasive (MIE). They were divided into two groups: one received NAC, and the other received primary surgery. Complications after the operation, postoperative CRG complications, operative time, operative bleeding, and length of stay were evaluated. Results: Between 01/2014 and 12/2017, there hundred and eighty two consecutive patients underwent MIE with total two-field lymphadenectomy under the non-tube no fasting fast-track surgery program. A total of 137 patients received NAC, and 245 accepted primary surgery. Propensity score matching was used to compare NAC patients with 62 matched patients from each group. The NAC group had a similar number of total complications as the primary surgery group (32.26% in the primary surgery group vs. 25.81% in the NAC group; p=0.429) and had the same median postoperative hospitalization duration (8 days, p=0.723). Conclusions: After McKeown MIE, the patients receiving NAC combined with "non-tube no fasting" FTS had a similar incidence of postoperative complications outcomes as those without NAC. In addition, the two groups were similar in terms of the recovery time, hospital discharge day, and early resumption of oral feeding.