Publications by authors named "Harmik J Soukiasian"

Background: Sternotomy is the traditional approach for thymectomy. However, over the last 2 decades minimally invasive surgical approaches (multiport thoracoscopic and robotic-assisted surgery) have proven feasible, offering similar survival, lower morbidity and shorter length of stay. Single-port (SP), subxiphoid thymectomy potentially offers less pain and allows bilateral visualization of the mediastinum.

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Objectives: Robotic navigational bronchoscopy is increasingly used to improve diagnostic yield for pulmonary nodules compared with the 50% to 60% obtained by standard bronchoscopy; however, safety and efficacy data are limited to small series. The aim of this study was to evaluate diagnostic yield and clinical outcomes in a large multisurgeon single-center cohort.

Methods: All patients who underwent robotic navigational bronchoscopy and biopsy from September 2020 to October 2022 were identified from a prospective institutional registry.

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Objective: Sputum is a source of exfoliated respiratory epithelial cells transformed early in lung carcinogenesis. Malignant cells are hypomethylated and contain less genomic 5-methylcytosine (5mC). Validating a test that recognizes and quantifies aberrantly hypomethylated cells in sputum, we assessed its potential as a screening tool for detecting early-stage non-small cell lung cancer.

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Objectives: Lobectomy may unnecessarily resect healthy lung parenchyma in Stage 1A non-small cell lung cancers (NSCLC). Segmentectomies may provide a lung-sparing option. VATS segmentectomies can be technically challenging; robotics may have features that provide advantages in performing segmentectomies.

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Background: The COVID-19 pandemic has impacted surgical training nationwide. Our former curricula will likely not return, and training will need to adapt, so we are able to graduate residents of the same caliber as prior to the pandemic.

Methods: A survey evaluating perceptions of changes made in surgical training was conducted on surgery residents and attendings.

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Background: Simulation-based training is a valuable component of cardiothoracic surgical education. Effective curriculum development requires consensus on procedural components and focused attention on specific learning objectives. Through use of a Delphi process, we established consensus on the steps of video-assisted thoracoscopic surgery (VATS) left upper lobectomy and identified targets for simulation.

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Idiopathic pulmonary fibrosis (IPF) is an insidious and fatal interstitial lung disease associated with declining pulmonary function. Accelerated aging, loss of epithelial progenitor cell function and/or numbers, and cellular senescence are implicated in the pathogenies of IPF. We sought to investigate the role of alveolar type 2 (AT2) cellular senescence in initiation and/or progression of pulmonary fibrosis and therapeutic potential of targeting senescence-related pathways and senescent cells.

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This case series study examines short-term and long-terms outcomes in patients who have undergone Collis gastroplasty with fundoplication and hiatal hernia repair.

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Background: Non-small cell lung cancer (NSCLC) patients with central airway obstruction (CAO) may have better survival on systemic therapy if the airway patency is successfully restored by bronchoscopic interventions. It remains unclear which therapeutic bronchoscopic modality [laser, stenting, external beam radiation, brachytherapy and photodynamic therapy (PDT)] used for restoring airway patency positively affects outcomes in these patients. We analyzed the effectiveness of PDT in terms of mortality, and time to subsequent treatments in patients with stage III and IV NSCLC.

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Paraesophageal hernia repair is a technically challenging operation. Factors that influence morbidity of the operation include the timing of the operation, surgical approach, and patient factors. Medical complications are the most common and usually are respiratory or cardiac related.

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Background: Current guidelines support cancer-directed surgery, chemotherapy, or active surveillance for clinical stages 1 to 3 of epithelial malignant pleural mesothelioma (MPM). Definitive chemotherapy is recommended for sarcomatoid/biphasic histologies. Our objective is to assess compliance with recommendations, measuring their impact on overall survival.

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Background: Our objective was to determine how surgical approach impacts overall survival and postoperative outcomes when comparing robotic-assisted minimally invasive esophagectomy (RAMIE), minimally invasive esophagectomy (MIE), and open esophagectomy (OE).

Methods: The National Cancer Database was queried for patients diagnosed with pathologic Stage 0 to III esophageal cancer from 2010 to 2015. Primary outcome measures evaluated were length of stay, 30-day unplanned readmissions, mortality rates at 30 and 90 days, and overall survival rates.

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Squamous cell carcinomas (SCCs) are aggressive malignancies. Previous report demonstrated that master transcription factors (TFs) TP63 and SOX2 exhibited overlapping genomic occupancy in SCCs. However, functional consequence of their frequent co-localization at super-enhancers remains incompletely understood.

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Background: Failure to rescue (FTR), defined as death after a major complication, is a metric increasingly being used to assess quality of care. Risk factors associated with FTR after esophagectomy have not been previously studied.

Methods: The American College of Surgeons National Surgical Quality Improvement Program database was queried for patients who underwent esophagectomy with gastric conduit between 2010 and 2014.

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Lung cancer is the leading cause of cancer-related deaths worldwide with over 1 million deaths each year. The overall prognosis of lung cancer patients remains unsatisfactory, with a 5-year overall survival rate of less than 15%. Although most lung cancers are a result of smoking, approximately 25% of lung cancer cases worldwide are not attributable to tobacco use.

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