Publications by authors named "Desmond D'Souza"

Objective: With robotic technology's rapid growth and integration, an urgent need to bridge the educational gap in thoracic surgical training has emerged. This document, a result of consensus among a group of experts in the practice and training of robotic surgery from the Society of Thoracic Surgeons (STS), aims to provide a framework for a standardized national robotic curriculum for thoracic surgery trainees.

Methods: The STS Task Force on Robotic Thoracic Surgery and Workforce on E-learning and Educational Innovation assembled an expert group with the input of the Thoracic Surgery Director's Association (TSDA).

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Objective: Chat-based artificial intelligence programs like ChatGPT are reimagining how patients seek information. This study aims to evaluate the quality and accuracy of ChatGPT-generated answers to common patient questions about lung cancer surgery.

Methods: A 30-question survey of patient questions about lung cancer surgery was posed to ChatGPT in July 2023.

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Background: In the early 2000s, a significant shortage of cardiothoracic surgeons was predicted. We sought to evaluate our specialty's progress and to update the predicted needs of cardiothoracic surgeons in the coming decades.

Methods: To assess the supply of cardiothoracic surgeons, the evolution of cardiothoracic surgery training was reviewed.

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Background: Cardiothoracic surgical trainees perceive a need for more instruction and exposure to robotic-assisted thoracoscopic surgery during their training. We sought to assess use and trainee exposure to robotic surgery in thoracic residency programs to identify areas for improvement.

Methods: A voluntary electronic survey of 10 questions was distributed to surgeons working in all thoracic surgery residency programs in the United States.

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Failure to provide one-lung ventilation can prohibit minimally invasive thoracic surgeries. Strategies for one-lung ventilation include double-lumen endotracheal tubes or endobronchial blockers, but rarely both. Inability to provide lung isolation after double-lumen endotracheal tube placement requires troubleshooting and sometimes the use of extra equipment.

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This case series describes 2 patients who underwent a single anesthesia strategy for definitive management of bilateral ground-glass opacities harboring adenocarcinoma-spectrum lesions using robotic navigational localization paired with robotic thoracoscopic resection.

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In this review article, we aim to provide an overview of common and uncommon general surgery thoracic emergencies as well as basic thoracic anatomy, common diagnostic tests, and operative positioning and access considerations. We also describe specific thoracic procedures. We hope that this article simplifies some of the challenges associated with the management of thoracic emergencies.

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Objective: Existing approaches for assessing surgical performance are subjective and prone to bias. In contrast, utilizing digital kinematic and system data from the surgical robot allows the calculation of objective performance indicators (OPIs) that may differentiate technical skill and competency. This study compared OPIs of trainees and attending surgeons to assess differences during robotic lobectomy (RL).

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Article Synopsis
  • The study compares the subjective Global Evaluative Assessment of Robotic Skills with objective performance indicators derived from robotic-assisted surgery data to determine their correlation and effectiveness during a lobectomy procedure.
  • Data including video, system events, and instrument movements were recorded and analyzed from surgeries on a porcine model, with expert surgeons grading the procedures independently.
  • Results showed that while attending surgeons scored significantly higher, there was notable variability in scoring, and certain objective indicators, especially related to efficiency and instrument movement, correlated well with the subjective assessment scores.
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Objective: To use a customized smartphone application to prospectively measure QOL and the real-time patient experience during neoadjuvant therapy (NT).

Background: NT is increasingly used for patients with localized gastrointestinal (GI) cancers. There is little data assessing patient experience and quality of life (QOL) during NT for GI cancers.

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Objective: This study aims to characterize the aggregate learning curves of US surgeons for robotic thoracic procedures and to quantify the impact on productivity.

Methods: National average console times relative to cumulative case number were extracted from the My Intuitive application (Version 1.7.

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Article Synopsis
  • The study aimed to evaluate how common separate tumor nodules are in patients with clinical stage Ia non-small cell lung cancer (NSCLC) undergoing lobectomy and identify potential clinical predictors for their presence.
  • A small percentage (2.8%) of patients were found to have these separate nodules, with factors like female gender, non-squamous tumor types, and larger tumor sizes being associated with their detection.
  • The findings suggest that while some clinical factors can help predict the occurrence of satellite nodules, their overall predictive accuracy is limited, indicating that separate nodules are relatively infrequent in this patient group.
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Surgical training relies on subjective feedback on resident technical performance by attending surgeons. A novel data recorder connected to a robotic-assisted surgical platform captures synchronized kinematic and video data during an operation to calculate quantitative, objective performance indicators (OPIs). The aim of this study was to determine if OPIs during initial task of a resident's robotic-assisted lobectomy (RL) correlated with bleeding during the procedure.

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Background: Sublobar resection is increasingly performed for stage Ia non-small cell lung cancer, but pathologic lymph node upstaging remains a common clinical scenario. This study compares the long-term prognosis of patients with clinical stage Ia disease and occult lymph node disease undergoing wedge resection vs lobectomy.

Methods: The National Cancer Database was queried for patients treated with wedge resection or lobectomy for clinical stage Ia (cT1N0) non-small cell lung cancer and who were pathologically upstaged with either pN1/pN2 disease.

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Background: The impact on cost relative to clinical efficacy of enhanced recovery after surgery (ERAS) protocols for patients who undergo robotic-assisted lobectomy is currently unknown. The objective of this study was to compare cost and perioperative outcomes of robotic-assisted lobectomy before and after implementation of an ERAS protocol.

Methods: This was a retrospective analysis of 574 patients who underwent robotic-assisted lobectomy for primary lung carcinoma from May 1, 2017 to June 1, 2021.

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Background: This study aimed to characterize the types of intraoperative delays during robotic-assisted thoracic surgery, operating room staff awareness/perceptions of delays, and cost impact of delays on overall operative costs.

Methods: Robotic-assisted thoracic surgery cases from May to August 2019 were attended by 3 third-party observers to record intraoperative delays. The postoperative surveys were given to operating room staff to elicit perceived delays.

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Robotic-assisted surgery is gaining popularity as a minimally invasive approach for anatomic lung resection. We investigated the temporal changes in case volume, costs, and postoperative outcomes for robotic-assisted anatomic lung resection in over 1000 cases. We reviewed our institutional STS database for patients who had undergone robotic-assisted lobectomy, bi-lobectomy, or segmentectomy as the primary procedure between years 2009-2021.

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Background: There may be equivalent efficacy of the lymph node evaluation for minimally invasive lobectomy compared with open lobectomy for stage I non-small cell lung cancer. We sought to compare the lymph node evaluation for lobectomy by approach for patients with larger tumors who are clinically node negative.

Methods: This retrospective study analyzed 24 257 patients with clinical stage T2-3N0M0 non-small cell lung cancer from the National Cancer Database.

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The current oncologic outcomes of robotic-assisted lobectomy compared to video-assisted thoracoscopic lobectomy are currently not well defined. This study compares the overall survival and recurrence-free survival rates between the two approaches for patients with resectable non-small cell lung carcinoma. This is a retrospective review of 200 patients diagnosed with resectable primary lung carcinoma who underwent minimally invasive lobectomy from March 2014 to May 2018.

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Background: Segmentectomy is increasingly used for parenchyma sparing anatomical resection for small stage I non-small cell lung cancer (NSCLC). This study characterizes the national outcomes for lymph node assessment and perioperative outcomes of segmentectomy for clinical stage I NSCLC by robotic-assisted surgery (RATS), video-assisted thoracoscopic surgery (VATS), and open thoracotomy approach.

Methods: A retrospective cohort study was conducted of patients who underwent segmentectomy for clinical stage I NSCLC captured in the national Society of Thoracic Surgeons General Thoracic Surgery Database between years 2012 and 2018.

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Background: Locally advanced esophageal carcinoma is typically treated with neoadjuvant chemoradiation and esophagectomy (trimodality therapy). We compared the long-term oncologic outcomes of minimally invasive Ivor Lewis esophagectomy (M-ILE) cohort with a propensity score weighted cohort of open Ivor Lewis esophagectomy (O-ILE) cases after trimodality therapy.

Methods: This is a retrospective review of 223 patients diagnosed with esophageal carcinoma who underwent neoadjuvant chemoradiation followed by M-ILE or O-ILE from April 2009 to February 2019.

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Background: Segmentectomy is gaining popularity as a parenchyma-sparing alternative for anatomic lung resection. This study sought to investigate temporal changes in patient selection, case volume, and outcomes for segmentectomy using the Society of Thoracic Surgeons (STS) National Database.

Methods: The STS General Thoracic Database was queried for patients who had undergone segmentectomy as the primary procedure between 2002 and 2018.

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