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Chiappetta M, Lococo F, Sperduti I, Tabacco D, Sassorossi C, Curcio C, Crisci R, Meacci E, Rea F, Margaritora S. Surgeon experience does not influence nodal upstaging during vats lobectomy: Results from a large prospective national database. Surgery 2024; 175:1408-1415. [PMID: 38302325 DOI: 10.1016/j.surg.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND Despite recent improvement in preoperative staging, nodal and mediastinal upstaging occur in about 5% to 15% of cN0 patients. Different clinical and tumor characteristics are associated with upstaging, whereas the role of the surgeon's experience is not well evaluated. This study aimed to investigate if operator experience might influence nodal upstaging during video-assisted thoracic surgery anatomical lung resection. METHODS Clinical and pathological data from the prospective video-assisted thoracic surgery Italian nationwide registry were reviewed and analyzed. Patients with incomplete data about tumor and surgical characteristics, ground glass opacities tumors, cN2 to 3, and M+ were excluded. Clinical data, tumor characteristics, and surgeon experience were correlated to nodal and mediastinal (N2) upstaging using Pearson's χ2 statistic or Fisher exact test for categorical variables and Mann-Whitney U and t tests for quantitative variables. A multivariable model was built using logistic regression analysis. Surgeon experience was categorized considering the number of video-assisted thoracic surgery major anatomical resections and years after residency. RESULTS Final analysis was conducted on 3,319 cN0 patients for nodal upstaging and 3,471 cN0N1 patients for N2 upstaging. Clinical tumor-nodes-metastasis stage was stage I in 2,846 (81.9%) patients, stage II in 533 (15.3%), and stage III (cT3N1) in 92 (2.8%). Nodal upstaging occurred in 489 (13.1%) patients, whereas N2 upstaging occurred in 229 (6.1%) patients. Years after residency (P = .60 for nodal, P = .13 for N2 upstaging) and a number of video-assisted thoracic surgery procedures(P = .49 for nodal, P = .72 for nodal upstaging) did not correlate with upstaging. Multivariable analysis confirmed cT-dimension (P = .001), solid nodules (P < .001), clinical tumor-nodes-metastasis (P < .001) and maximum standardized uptake values (P < .001) as factors independently correlated to nodal upstaging, whereas cT-dimension (P = .005), clinical tumor-nodes-metastasis (P < .001) and maximum standardized uptake values (P = .028) resulted independently correlated to N2 upstaging. CONCLUSION Our study showed that surgeon experience did not influence nodal and mediastinal upstaging during -assisted thoracic surgery anatomical resection, whereas cT-dimension, clinical tumor-nodes-metastasis, and maximum standardized uptake values resulted independently correlated to nodal and mediastinal upstaging.
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Affiliation(s)
- Marco Chiappetta
- Università Cattolica del Sacro Cuore, Rome, Italy; Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Filippo Lococo
- Università Cattolica del Sacro Cuore, Rome, Italy; Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Isabella Sperduti
- Biostatistics, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Diomira Tabacco
- Università Cattolica del Sacro Cuore, Rome, Italy; Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Carolina Sassorossi
- Università Cattolica del Sacro Cuore, Rome, Italy; Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Carlo Curcio
- Thoracic Surgery Unit, Division of Thoracic Surgery, Monaldi Hospital, Naples, Italy
| | - Roberto Crisci
- Department of Thoracic Surgery, University of L'Aquila, L'Aquila, Italy
| | - Elisa Meacci
- Università Cattolica del Sacro Cuore, Rome, Italy; Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Federico Rea
- Thoracic Surgery Division, Department of Cardiac, Thoracic, Vascular Sciences, and Public Health, Padova University Hospital, Padova, Italy
| | - Stefano Margaritora
- Università Cattolica del Sacro Cuore, Rome, Italy; Thoracic Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
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Yang H, Liu X, Wang L, Zhou W, Tian Y, Dong Y, Zhou K, Chen L, Wang M, Wu H. 18 F-FDG PET/CT characteristics of IASLC grade 3 invasive adenocarcinoma and the value of 18 F-FDG PET/CT for preoperative prediction: a new prognostication model. Nucl Med Commun 2024; 45:338-346. [PMID: 38312089 DOI: 10.1097/mnm.0000000000001819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
OBJECTIVE This study is performed to investigate the imaging characteristics of the International Association for the Study of Lung Cancer grade 3 invasive adenocarcinoma (IAC) on PET/CT and the value of PET/CT for preoperative predicting this tumor. MATERIALS AND METHODS We retrospectively enrolled patients with IAC from August 2015 to September 2022. The clinical characteristics, serum tumor markers, and PET/CT features were analyzed. T test, Mann-Whitney U test, χ 2 test, Logistic regression analysis, and receiver operating characteristic analysis were used to predict grade 3 tumor and evaluate the prediction effectiveness. RESULTS Grade 3 tumors had a significantly higher maximum standardized uptake value (SUV max ) and consolidation-tumor-ratio (CTR) ( P < 0.001), while Grade 1 - 2 tumors were prone to present with air bronchogram sign or vacuole sign ( P < 0.001). A stepwise logistic regression analysis revealed that smoking history, CEA, SUV max , air bronchogram sign or vacuole sign and CTR were useful predictors for Grade 3 tumors. The established prediction model based on the above 5 parameters generated a high AUC (0.869) and negative predictive value (0.919), respectively. CONCLUSION Our study demonstrates that grade 3 IAC has a unique PET/CT imaging feature. The prognostication model established with smoking history, CEA, SUV max , air bronchogram sign or vacuole sign and CTR can effectively predict grade 3 tumors before the operation.
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Affiliation(s)
- Hanyun Yang
- GDMPA Key Laboratory for Quality Control and Evaluation of Radiopharmaceuticals, Department of Nuclear Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Tacconi F, Mangiameli G, Voulaz E, Patirelis A, Carlea F, Rocca EL, Tamburrini A, Vanni G, Ambrogi V. Blood-Derived Systemic Inflammation Markers and Risk of Nodal Failure in Stage Ia Non-Small Cell Lung Cancer: A Multicentric Study. J Clin Med 2023; 12:4912. [PMID: 37568316 PMCID: PMC10419646 DOI: 10.3390/jcm12154912] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND Unexpected spread to regional lymph nodes can be found in up to 10% of patients with early stage non-small cell lung cancer (NSCLC), thereby affecting both prognosis and treatment. Given the known relation between systemic inflammation and tumor progression, we sought to evaluate whether blood-derived systemic inflammation markers might help to the predict nodal outcome in patients with stage Ia NSCLC. METHODS Preoperative levels of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and systemic inflammation score (SII, platelets × NLR) were collected from 368 patients who underwent curative lung resection for NSCLC. After categorization, inflammatory markers were subjected to logistic regression and time-event analysis in order to find associations with occult nodal spread and postoperative nodal recurrence. RESULTS No inflammation marker was associated with the risk of occult nodal spread. SII showed a marginal effect on early nodal recurrence at a quasi-significant level (p = 0.065). However, patients with T1c tumors and elevated PLR and/or SII had significantly shorter times to nodal recurrence compared to T1a/T1b patients (p = 0.001), while patients with T1c and normal PLR/SII did not (p = 0.128). CONCLUSIONS blood-derived inflammation markers had no value in the preoperative prediction of nodal status. Nevertheless, our results might suggest a modulating effect of platelet-derived inflammation markers on nodal progression after the resection of tumors larger than 2 cm.
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Affiliation(s)
- Federico Tacconi
- Thoracic Surgery and Breast Unit, Department of Surgical Sciences, Tor Vergata University Polyclinic, Viale Oxford 81, 00133 Rome, Italy; (A.P.); (F.C.); (E.L.R.); (G.V.); (V.A.)
| | - Giuseppe Mangiameli
- Division of Thoracic Surgery, IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy; (G.M.); (E.V.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
| | - Emanuele Voulaz
- Division of Thoracic Surgery, IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy; (G.M.); (E.V.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090 Milan, Italy
| | - Alexandro Patirelis
- Thoracic Surgery and Breast Unit, Department of Surgical Sciences, Tor Vergata University Polyclinic, Viale Oxford 81, 00133 Rome, Italy; (A.P.); (F.C.); (E.L.R.); (G.V.); (V.A.)
| | - Federica Carlea
- Thoracic Surgery and Breast Unit, Department of Surgical Sciences, Tor Vergata University Polyclinic, Viale Oxford 81, 00133 Rome, Italy; (A.P.); (F.C.); (E.L.R.); (G.V.); (V.A.)
| | - Eleonora La Rocca
- Thoracic Surgery and Breast Unit, Department of Surgical Sciences, Tor Vergata University Polyclinic, Viale Oxford 81, 00133 Rome, Italy; (A.P.); (F.C.); (E.L.R.); (G.V.); (V.A.)
| | - Alessandro Tamburrini
- Unit of Cardio-thoracic Surgery, Southampton General Hospital, Tremona Road, Southampton SO166YD, UK;
| | - Gianluca Vanni
- Thoracic Surgery and Breast Unit, Department of Surgical Sciences, Tor Vergata University Polyclinic, Viale Oxford 81, 00133 Rome, Italy; (A.P.); (F.C.); (E.L.R.); (G.V.); (V.A.)
| | - Vincenzo Ambrogi
- Thoracic Surgery and Breast Unit, Department of Surgical Sciences, Tor Vergata University Polyclinic, Viale Oxford 81, 00133 Rome, Italy; (A.P.); (F.C.); (E.L.R.); (G.V.); (V.A.)
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Murad V, Suh M, Choi H, Cheon GJ, Na KJ, Kim YT. 99mTc-MAA accumulation within tumor in preoperative lung perfusion SPECT/CT associated with occult lymph node metastasis in patients with clinically N0 non-small cell lung cancer. BMC Cancer 2023; 23:381. [PMID: 37101187 PMCID: PMC10131419 DOI: 10.1186/s12885-023-10846-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/13/2023] [Indexed: 04/28/2023] Open
Abstract
BACKGROUND 99mTc-MAA accumulation within the tumor representing pulmonary arterial perfusion, which is variable and may have a clinical significance. We evaluated the prognostic significance of 99mTc-MAA distribution within the tumor in non-small cell lung cancer (NSCLC) patients in terms of detecting occult nodal metastasis and lymphovascular invasion, as well as predicting the recurrence-free survival (RFS). METHODS Two hundred thirty-nine NSCLC patients with clinical N0 status who underwent preoperative lung perfusion SPECT/CT were retrospectively evaluated and classified according to the visual grading of 99mTc-MAA accumulation in the tumor. Visual grade was compared with the quantitative parameter, standardized tumor to lung ratio (TLR). The predictive value of 99mTc-MAA accumulation with occult nodal metastasis, lymphovascular invasion, and RFS was assessed. RESULTS Eighty-nine (37.2%) patients showed 99mTc-MAA accumulation and 150 (62.8%) patients showed the defect on 99mTc-MAA SPECT/CT. Among the accumulation group, 45 (50.5%) were classified as grade 1, 40 (44.9%) were grade 2, and 4 (4.5%) were grade 3. TLR gradually and significantly increased from grade 0 (0.009 ± 0.005) to grade 1 (0.021 ± 0.005, P < 0.05) and to grade 2-3 (0.033 ± 0.013, P < 0.05). The following factors were significant predictors for occult nodal metastasis in univariate analysis: central location, histology different from adenocarcinoma, tumor size greater than 3 cm representing clinical T2 or higher, and the absence of 99mTc-MAA accumulation within the tumor. Defect in the lung perfusion SPECT/CT remained significant at the multivariate analysis (Odd ratio 3.25, 95%CI [1.24 to 8.48], p = 0.016). With a median follow-up of 31.5 months, the RFS was significantly shorter in the defect group (p = 0.008). Univariate analysis revealed that cell type of non-adenocarcinoma, clinical stage II-III, pathologic stage II-III, age greater than 65 years, and the 99mTc-MAA defect within tumor as significant predictors for shorter RFS. However, only the pathologic stage remained statistically significant, in multivariate analysis. CONCLUSION The absence of 99mTc-MAA accumulation within the tumor in preoperative lung perfusion SPECT/CT represents an independent risk factor for occult nodal metastasis and is relevant as a poor prognostic factor in clinically N0 NSCLC patients. 99mTc-MAA tumor distribution may serve as a new imaging biomarker reflecting tumor vasculatures and perfusion which can be associated with tumor biology and prognosis.
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Affiliation(s)
- Vanessa Murad
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Minseok Suh
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hongyoon Choi
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, Republic of Korea.
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul National University, Seoul, Republic of Korea.
- Institute of Radiation Medicine, Medical Research Center, Seoul National University, Seoul, Republic of Korea.
| | - Gi Jeong Cheon
- Department of Nuclear Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul National University, Seoul, Republic of Korea
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul, Republic of Korea
- Institute of Radiation Medicine, Medical Research Center, Seoul National University, Seoul, Republic of Korea
| | - Kwon Joong Na
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Young Tae Kim
- Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul National University, Seoul, Republic of Korea
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Rate and Predictors of Unforeseen PN1/PN2-Disease in Surgically Treated cN0 NSCLC-Patients with Primary Tumor > 3 cm: Nationwide Results from Italian VATS-Group Database. J Clin Med 2023; 12:jcm12062345. [PMID: 36983345 PMCID: PMC10057948 DOI: 10.3390/jcm12062345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Background. Since no robust data are available on the real rate of unforeseen N1-N2 disease (uN) and the relative predictive factors in clinical-N0 NSCLC with peripheral tumours > 3 cm, the usefulness of performing a (mini)invasive mediastinal staging in this setting is debated. Herein, we investigated these issues in a nationwide database. Methods. From 01/2014 to 06/2020, 15,784 thoracoscopic major lung resections were prospectively recorded in the “Italian VATS-Group” database. Among them, 1982 clinical-N0 peripheral solid-type NSCLC > 3 cm were identified, and information was retrospectively reviewed. A mean comparison of more than two groups was made by ANOVA (Bonferroni correction for multiple comparisons), while associations between the categorical variables were estimated with a Chi-square test. The multivariate logistic regression model and Kaplan–Meyer method were used to identify the independent predictors of nodal upstaging and survival results, respectively. Results. At pathological staging, 229 patients had N1-involvement (11.6%), and 169 had uN2 disease (8.5%). Independent predictors of uN1 were SUVmax (OR: 1.98; CI 95: 1.44–2.73, p = 0.0001) and tumour-size (OR: 1.52; CI: 1.11–2.10, p = 0.01), while independent predictors of uN2 were age (OR: 0.98; CI 95: 0.96–0.99, p = 0.039), histology (OR: 0.48; CI 95: 0.30–0.78, p = 0.003), SUVmax (OR: 2.07; CI 95: 1.15–3.72, p = 0.015), and the number of resected lymph nodes (OR: 1.03; CI 95: 1.01–1.05, p = 0.002). Conclusions. The unforeseen N1-N2 disease in cN0/NSCLCs > 3 cm undergoing VATS resection is observable in between 12 and 8% of all cases. We have identified predictors that could guide physicians in selecting the best candidate for (mini)invasive mediastinal staging.
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Romero Román A, Crowley Carrasco S, Gil Barturen M, Royuela A, Obiols C, Call S, Recuero JL, Royo Í, Embún R, Gómez de Antonio D. Pathological N1/N2 in Clinical Stage I Bronchogenic Carcinoma. Analysis From a Prospective Multicentre Database. Arch Bronconeumol 2023:S0300-2896(23)00109-6. [PMID: 37005150 DOI: 10.1016/j.arbres.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/05/2023] [Accepted: 03/14/2023] [Indexed: 03/29/2023]
Abstract
OBJECTIVES To determine the incidence of occult N1/N2 nodal metastases and associated risk factors in patients with non-small cell lung cancer no larger than 3cm and deemed cN0 by CT and PET-CT in a prospective, multicentre national database. METHODS Patients with a NSCLC no larger than 3cm, deemed cN0 by PET-CT and CT scan, who had undergone at least a lobectomy, were selected from a national multicentre database of 3533 patients who had undergone anatomic lung resection between 2016 and 2018. Clinical and pathological variables of patients with pN0 and patients with pN1/N2 were compared to identify factors associated with the presence of lymph node metastases. Chi2 and the Mann-Whitney U test were used for categorical and numerical variables, respectively. All variables with p<0.2 in the univariate analysis were included in the multivariate logistic regression analysis. RESULTS The study included 1205 patients from the cohort. The incidence of occult pN1/N2 disease was 10.70% (95%CI, 9.01-12.58). The multivariable analysis revealed that the degree of differentiation, size, location (central or peripheral) and SUV of the tumour in PET, surgeon experience and number of lymph nodes resected were associated with occult N1/N2 metastases. CONCLUSIONS The incidence of occult N1/N2 in patients with bronchogenic carcinoma with cN0 tumours no larger than 3cm is no negligible. Data about the degree of differentiation, tumour size in CT scan, maximal uptake of the tumour in PET-CT, location (central or peripheral), number of lymph nodes resected and surgeon seniority is relevant in order to detect patients at risk.
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Affiliation(s)
- Alejandra Romero Román
- Thoracic Surgery Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain.
| | | | - Mariana Gil Barturen
- Thoracic Surgery Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
| | - Ana Royuela
- Biostatistics Unit, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana (IDIPHISA), CIBERESP, Madrid, Spain
| | - Carme Obiols
- Thoracic Surgery Department, Hospital Universitari Mútua Terrassa, Universitat de Barcelona, Terrassa, Spain
| | - Sergi Call
- Thoracic Surgery Department, Hospital Universitari Mútua Terrassa, Universitat de Barcelona, Terrassa, Spain
| | - José Luis Recuero
- Thoracic Surgery Department, Hospital Universitario Miguel Servet y Hospital Clínico Universitario Lozano Blesa, IIS Aragón, Zaragoza, Spain
| | - Íñigo Royo
- Thoracic Surgery Department, Hospital Universitario Miguel Servet y Hospital Clínico Universitario Lozano Blesa, IIS Aragón, Zaragoza, Spain
| | - Raúl Embún
- Thoracic Surgery Department, Hospital Universitario Miguel Servet y Hospital Clínico Universitario Lozano Blesa, IIS Aragón, Zaragoza, Spain
| | - David Gómez de Antonio
- Thoracic Surgery Department, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain
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Veronesi G, Abbas AES, Muriana P, Lembo R, Bottoni E, Perroni G, Testori A, Dieci E, Bakhos CT, Car S, Luzzi L, Alloisio M, Novellis P. Perioperative Outcome of Robotic Approach Versus Manual Videothoracoscopic Major Resection in Patients Affected by Early Lung Cancer: Results of a Randomized Multicentric Study (ROMAN Study). Front Oncol 2021; 11:726408. [PMID: 34568057 PMCID: PMC8458770 DOI: 10.3389/fonc.2021.726408] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/11/2021] [Indexed: 12/25/2022] Open
Abstract
Introduction We report the results of the first prospective international randomized control trial to compare the perioperative outcome and surgical radicality of the robotic approach with those of traditional video-assisted surgery in the treatment of early-stage lung cancer. Methods Patients with clinical stage T1–T2, N0–N1 non-small cell lung cancer (NSCLC) were randomly assigned to robotic-assisted thoracoscopic surgery (RATS) or video-assisted thoracic surgery (VATS) resection arms. The primary objective was the incidence of adverse events including complications and conversion to thoracotomy. The secondary objectives included extent of lymph node (LN) dissection and other indicators. Results This trial was closed at 83 cases as the probability of concluding in favor of the robot arm for the primary outcome was null according to the observed trend. In this study, we report the results of the analysis conducted on the patients enrolled until trial suspension. Thirty-nine cases were randomized in the VATS arm and 38 in the robotic arm. Six patients were excluded from analysis. Despite finding no difference between the two arms in perioperative complications, conversions, duration of surgery, or duration of postoperative stay, a significantly greater degree of LN assessment by the robotic technique was observed in regards to the median number of sampled LN stations [6, interquartile range (IQR) 4–6 vs. 4, IQR 3–5; p = 0.0002], hilar LNs (7, IQR 5–10 vs. 4, IQR 2–7; p = 0.0003), and mediastinal LNs (7, IQR 5–10 vs. 5, IQR 3–7; p = 0.0001). Conclusions The results of this trial demonstrated that RATS was not superior to VATS considering the perioperative outcome for early-stage NSCLC, but the robotic approach allowed an improvement of LN dissection. Further studies are suggested to validate the results of this trial. Clinical Trial Registration clinicaltrials.gov, identifier NCT02804893.
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Affiliation(s)
- Giulia Veronesi
- Department of Thoracic Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | - Abbas El-Sayed Abbas
- Department of Thoracic Medicine and Surgery, Lewis Katz School of Medicine, Temple University Hospital, Philadelphia, PA, United States.,Department of Surgery, Lewis Katz School of Medicine, Temple University Hospital, Philadelphia, PA, United States
| | - Piergiorgio Muriana
- Department of Thoracic Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Rosalba Lembo
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Edoardo Bottoni
- Division of Thoracic and General Surgery, Humanitas Clinical and Research Center, Rozzano, Italy
| | - Gianluca Perroni
- Department of Thoracic Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Alberto Testori
- Division of Thoracic and General Surgery, Humanitas Clinical and Research Center, Rozzano, Italy
| | - Elisa Dieci
- Department of Thoracic Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Charles T Bakhos
- Department of Thoracic Medicine and Surgery, Lewis Katz School of Medicine, Temple University Hospital, Philadelphia, PA, United States.,Department of Surgery, Lewis Katz School of Medicine, Temple University Hospital, Philadelphia, PA, United States
| | - Shamus Car
- Division of Thoracic Surgery, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Luca Luzzi
- Thoracic Surgery Unit, Department of Medicine, Surgery and Neuro Sciences, Diagnostic Imaging, University of Siena, Azienda Ospedaliera Universitaria Senese, Siena, Italy
| | - Marco Alloisio
- Division of Thoracic and General Surgery, Humanitas Clinical and Research Center, Rozzano, Italy.,Department of Biomedical Science, Humanitas University, Rozzano, Italy
| | - Pierluigi Novellis
- Department of Thoracic Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy
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