Explore the vast range of titles available.

Background Although several studies have investigated whether thoracic duct (TD) resection improves prognosis, the conclusion remains controversial. JCOG1109 is a three-arm randomized phase III trial to confirm the survival advantage of docetaxel, cisplatin, 5-fluorouracil (DCF), and cisplatin plus 5-fluorouracil (CF) combined with radiotherapy (CF-RT) over CF as neoadjuvant treatment. The study aimed to evaluate the survival impact of TD resection and its association with neoadjuvant treatment and pathological response in patients enrolled in JCOG1109. Patients and Methods Clinicopathological factors, surgical results, and prognosis were compared between TD preserved and resected groups. The survival impact of TD resection was also evaluated in the subgroups on the basis of combinations of preoperative therapy and pathological response. Results Between December 2012 and July 2018, 601 patients were randomized (CF/DCF/CF-RT; 199/202/200) in JCOG1109. Of them, 541 patients underwent esophagectomy (183/181/177), and TD was resected in 265 patients (93/91/81). For the entire cohort, TD resection was not a significant prognostic factor for overall survival in the multivariable analysis (HR 1.20, 95% CI 0.91–1.57). In the subgroup analyses by combinations of neoadjuvant treatment and pathological response, TD resected group had a significantly better overall survival compared with TD preserved group in patients who received DCF and achieved pathological response (HR 0.20, 95% CI 0.07–0.61). Conclusions The survival benefit of TD resection was not demonstrated in patients with surgically resectable esophageal squamous cell carcinoma enrolled in JCOG1109. The residual tumor burden after neoadjuvant treatment might be linked to the survival impact of TD resection.

Background: Video-assisted thoracoscopic esophagectomy has been one of the most preferable surgical treatments for early esophageal cancer. Some scholars suggested that the thoracic duct should be routinely ligated to reduce the incidence of postoperative chylothorax, while another group raised an objection. As a classic indicator of immune function, T lymphocyte subsets can be applied to assess the effects of prophylactic thoracic duct ligation during thoracoscopic esophagectomy. Methods: A total of 60 patients were recruited and randomized into thoracic duct ligation group and nonligation group. Venous blood was collected before and after video-assisted esophagectomy. The lymphocyte count and percentage, T lymphocyte subsets percentage were measured with fully automatic hemacytometer analyzer and flow cytometry. The difference between two groups was compared with t-test and the classified data were compared with Chi-square test. Results: No significant difference was observed in peripheral blood CD3+, CD3+CD4+, and CD3+CD8+ lymphocyte percentage between the two groups before operation (P > 0.05). The mean value of peripheral blood CD3+, CD3+CD4+ lymphocyte percentage in ligation group was obviously less than that of in nonligation group after operation (P < 0.05). The mean of CD3+CD8+ lymphocyte percentage in ligation group was obviously higher than that of in nonligation group after operation (P < 0.05). Conclusion: Ligation of thoracic duct during esophagectomy could lead to decreased percentage of T lymphocyte and CD4+ Tlymphocyte, especially after arch of azygos vein had been transected. The thoracic duct should be selectively ligated during esophagectomy.

Purpose Esophagectomy with extended lymphadenectomy remains the mainstay of treatment for localized esophageal squamous cell carcinoma (ESCC). Thoracic duct (TD) resection has been recommended as part of extended lymphadenectomy, although its merits are unclear. The aim of this two-institutional, matched-cohort study is to clarify whether TD resection improves prognosis in esophagectomy for ESCC. Patients and Methods In this two-institutional, matched-cohort study of 399 patients with ESCC who underwent McKeown esophagectomy between 2010 and 2014, the primary outcomes were overall survival (OS), disease-free survival (DFS), and cause-specific survival (CSS). Secondary outcomes were perioperative results and recurrence patterns. Results Based on a propensity score, 122 TD-resected or 122 TD-preserved patients in all stages were selected (median follow-up 4.5 years). The 5-year OS, DFS, and CSS rates in the TD-resected versus TD-preserved groups were 49% versus 60%, 53% versus 57%, and 58% versus 70%, respectively, without any significant differences. Operative time for the thoracic procedure was significantly longer and the number of retrieved mediastinal nodes was significantly higher in the TD-resected group ( P  = 0.009 and 0.005, respectively). The rates of chylothorax and left recurrent laryngeal nerve (RLN) palsy were significantly higher in the TD-resected group ( P  = 0.041 and 0.018, respectively). There were no significant differences in rates of local or distant metastases between the two groups. Conclusions TD resection does not contribute to improve OS, DFS, or CSS in ESCC but increases incidence of chylothorax and left RLN palsy. Prophylactic TD resection should be avoided in esophagectomy for ESCC.

Background Radical esophagectomy, including thoracic duct resection (TDR), has been proposed to improve regional lymphadenectomy and possibly reduce the risk of locoregional recurrence. However, because of its impact on immunoregulation, some authors have expressed concerns about its possible detrimental effect on long-term survival. The purpose of this review was to assess the influence of TDR on long-term survival. Patients and Methods PubMed, MEDLINE, Scopus, and Web of Science databases were searched through 15 March 2024. Overall survival (OS), cancer specific survival (CSS), and disease-free survival (DFS) were primary outcomes. Restricted mean survival time difference (RMSTD), risk ratio (RR), standardized mean difference (SMD), and 95% confidence intervals (CI) were used as pooled effect size measures. The Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) methodology was employed to evaluate the certainty of evidence. Results The analysis included six studies with 5756 patients undergoing transthoracic esophagectomy. TDR was reported in 49.1%. Patients’ ages ranged from 27 to 79 years and 86% were males. At 4-year follow-up, the multivariate meta-analysis showed similar results for the comparison noTDR versus TDR in term of OS [− 0.8 months, 95% confidence interval (CI) − 3.1, 1.3], CSS (0.1 months, 95% CI − 0.9, 1.2), and DFS (1.5 months, 95% CI − 2.6, 5.5). TDR was associated with a significantly higher number of harvested mediastinal lymph nodes (SMD 0.57, 95% CI 0.01–1.13) and higher risk of postoperative chylothorax (RR = 1.32; 95% CI 1.04–2.23). Anastomotic leak and pulmonary complications were comparable. Conclusions TDR seems not to improve long-term OS, CSS, and DFS regardless of tumor stage. Routine TDR should not be routinely recommended during esophagectomy.

BackgroundChyle leaks following oesophagectomy are a frustrating complication of surgery with considerable morbidity. The use of near infra-red (NIR) fluorescence in surgery is an emerging technology and the use of fluorescence to identify the thoracic duct has been demonstrated in animal work and early human case reports. This study evaluated the use mesenteric and enteral administration of indocyanine green (ICG) in humans to identify the thoracic duct during oesophagectomy. MethodsPatients undergoing oesophagectomy were recruited to the study. Administration of ICG via an enteral route or mesenteric injection was evaluated. Fluorescence was assessed using a NIR fluorescence enabled laparoscope system with a visual scoring system and signal to background ratios. Visualisation of the thoracic duct under white light and NIR fluorescence was compared as well as any identification of active chyle leak. Patients were followed up post-operatively for adverse events and chyle leak. Results20 patients received ICG and were included in the study. The enteral route failed to fluoresce the thoracic duct. Mesenteric injection (17 patients) identified the thoracic duct under fluorescence prior to white light in 70% of patients with a mean signal to background ratio of 5.35. In 6 participants, a possible active chyle leak was identified under fluorescence with 4 showing active chyle leak from what was identified as the thoracic duct.ConclusionThis study demonstrates that ICG administration via mesenteric injection can highlight the thoracic duct during oesophagectomy and may be a potential technology to reduce chyle leak following surgery.Clinical trial registrationClinical trials.gov (NCT03292757).

PurposeChyle leak resulting from thoracic duct (TD) injury poses significant morbidity and mortality challenges. We assessed the feasibility of using near-infrared (NIR) indocyanine green (ICG) imaging for intraoperative fluorescence TD lymphography during minimal access esophagectomy (MAE) in a semiprone position with inguinal nodal injection of ICG dye.MethodsNinety-nine patients with esophageal or gastroesophageal junctional cancer undergoing MAE received inguinal node injections of 2.5 mg ICG dye (total 5 mg) under sonographic guidance during anesthesia induction. Stryker’s 1688 AIM HD system was used in 76 cases, Karl Storz OPAL 1 S in 20, and in three cases the Karl Storz Rubina.ResultsIn 93 patients (94%), the TD was clearly delineated along its entire length; it was not visualized in 6 patients (6%). Fluorescence guidance facilitated TD ligation in 16 cases, while 3 cases required clipping of duct tributaries for oncological considerations. Twenty-eight patients exhibited minor duct variations. Fluorescence was sustained throughout surgery (median observation time 60 min post-injection; range 30–330). No patient experienced any chyle leak within 30 days post-surgery and no adverse reactions to ICG was evident.ConclusionsIntraoperative fluorescence TD lymphography using ICG during MAE in a semiprone position with inguinal nodal injection proved safe, feasible, and effective, allowing clear visualization of the TD in almost all cases. This approach aids safe ligation and reduces chyle leak risk. It offers real-time imaging of TD anatomy and variations, providing valuable feedback to surgeons for managing TD injuries during MAE procedures and represents an excellent educational tool.

Introduction Post-operative chylothorax is a dreaded complication after esophagectomy; hence real-time identification of the thoracic duct (TD) may aid in avoiding its injury or promptly tackling injury when it occurs. We utilized intra-nodal injection of Indocyanine green ( ICG) dye to delineate TD anatomy while performing esophagectomy for esophageal carcinoma. Method Two ml of 1 mg/ml solution of ICG was injected into the inguinal lymph nodes under ultrasound guidance. TD was checked with the laparoscopic Karl Storz IMAGE1 S TM or Robotic da Vinci Xi system. The thoracic esophagus, periesophageal tissue, and lymph nodes were dissected. The TD was visualized throughout the dissection using Overlay TM technology & Firefly mode™ and checked at the end to rule out any dye leak. TD was clipped if any dye leakage or TD injury (TDI) was noted using Near Infra-Red Spectroscopy. Results Twenty one patients with M:F 13:8 underwent minimally invasive esophagectomy (MIE) [thoracoscopic assisted ( n  = 15) and robotic-assisted ( n  = 6)]. TD was visualized in all the cases after a median (IQR) time of 35 (30, 35) min. The median (IQR) duration of the thoracic phase was 150 (120,165) min. TDI occurred in 1 case, identified intra-operatively, and TD was successfully clipped. There were no post-operative chylothorax or adverse reactions from the ICG injection. Conclusion Intra-nodal ICG injection before MIE helps to identify the TD in real-time and is a valuable intra-operative aid to prevent or successfully manage a TD injury. It may help to prevent the dreaded complication of post-operative chylothorax after esophagectomy.

Background To investigate the effectiveness and safety of preoperative fat meal administration in patients undergoing thoracic duct reconstruction for chylous leakage due to thoracic duct outlet obstruction. Methods A retrospective study was conducted on 18 patients diagnosed with thoracic duct outlet obstruction who underwent thoracic duct reconstruction between January 2022 and August 2024. Patients were administered a fat meal before surgery. The time interval between ingesting the fat meal and the exposure of the thoracic duct was recorded. Additionally, the appearance of the thoracic duct, the operating time duration, and any injuries to the thoracic duct or lymphatic branches were recorded. Results 11 patients’ thoracic ducts were exposed within 6–8 h after the fat meal, of which nine patients exhibited a milky white thoracic duct. The average surgical duration was 126.82 ± 53.30 min, and no injuries to the thoracic duct or its branches occurred in these patients. Additionally, seven patients’ thoracic ducts were exposed more than eight hours after a fat meal, among which only three patients had a milky white appearance of the thoracic duct. The average surgical duration for these patients was 180.00 ± 48.31 min ( P  < 0.05), and injuries to the thoracic duct and its branches occurred in two patients. All patients achieved favourable therapeutic outcomes after thoracic duct reconstruction surgery. Conclusion Preoperative fat meals appear to enhance intraoperative visualization of the cervical segment of the thoracic duct during reconstructive surgery for thoracic duct obstruction, potentially contributing to reduced operative times and decreased incidence of iatrogenic thoracic duct injuries.

This is a novel case of idiopathic chylopericardium and chylothorax in a young male who had no significant medical history. He first presented with dyspnea due to idiopathic chylopericardium, which was refractory to medical and surgical treatments, including a medium-chain triglyceride diet, octreotide, and video-assisted pericardial window. The chylopericardium persisted and progressed to concomitant left-sided chylothorax. He subsequently underwent multiple imaging studies, including lymphoscintigraphy and an intranodal lymphangiogram, both of which confirmed leakage in the thoracic duct. Finally, thoracic duct embolization was performed via a retrograde transvenous approach, which was successful, with good results. Although idiopathic chylopericardium and chylothorax are extremely rare, it can greatly impact patient quality of life if left undiagnosed and untreated. While surgery can relieve cardiac tamponade, lymphatic imaging and intervention are key in diagnosing and treating the root cause of the condition. This case highlights the importance of multidisciplinary efforts in managing rare cases and how interventional radiology is a minimally invasive but effective way to treat thoracic duct leakage. Retrograde thoracic duct embolization is technically challenging but safe and effective.