Publications by authors named "Youngji Seo"

Article Synopsis
  • The study examines thyroid tumors with isolated RAS mutations, comparing their oncologic outcomes to tumors with isolated BRAF mutations using comprehensive molecular testing.
  • A total of 368 patients with Bethesda III-VI thyroid nodules were reviewed, revealing that 14% had isolated RAS mutations, with a 46% malignancy rate but no instances of structural recurrence after 5 years.
  • The findings suggest that isolated RAS-mutated tumors have lower aggressive characteristics, indicating that thyroid lobectomy may be an adequate treatment option for these patients.
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Background: The present study aimed to compare outcomes between cholecystectomy on index versus delayed admission for acute cholangitis.

Methods: The 2011-2020 Nationwide Readmissions Database was used to identify adult patients admitted for acute cholangitis who underwent cholecystectomy. Study cohorts were defined based on timing of surgery.

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Context: Primary hyperparathyroidism (PHPT) has initially been implicated in adverse maternal and neonatal outcomes, while subsequent population studies have failed to show an association.

Objective: To compare maternal, pregnancy, and neonatal outcomes in patients with and without PHPT.

Design: Retrospective matched-cohort study (2005-2020).

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Background And Objectives: Neoadjuvant chemotherapy (NAC) is becoming favored for all pancreatic adenocarcinoma (PDAC). Patients with seemingly resectable disease infrequently still display vascular involvement intraoperatively. Outcomes following NAC versus upfront surgery in patients undergoing pancreaticoduodenectomy (PD) with vascular resection are unknown.

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Background: Thyroid storm is a rare but potentially lethal manifestation of thyrotoxicosis. Guidelines recommend nonoperative management of thyroid storm, but thyroidectomy can be performed if patients fail medical therapy or need immediate resolution of the storm. Outcomes of thyroidectomy for management of thyroid storm remain ill-defined.

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Background: Whether laparoscopic approach to gastrectomy for gastric cancer (GC) reduces the risk of pneumonia remains unknown. In this study, we compared pneumonia outcomes for patients with GC who underwent either laparoscopic gastrectomy (LG) or open gastrectomy (OG).

Methods: The ACS NSQIP database was queried to identify patients with GC who underwent LG or OG between Jan 2012 - Dec 2018.

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Introduction: Robotic pancreaticoduodenectomy (rPD) is a complex operation with a reported learning curve of 80 cases. Two recent graduates of a formal robotic complex general surgical oncology training program have been performing rPD at our institution since 2016, which had no previous institutional experience with rPD.

Objective: To evaluate the learning curve associated with developing a new robotic pancreaticoduodenectomy (rPD) program by fellowship trained surgeons with institutional support.

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Background: Lack of consensus remains about factors that may be associated with high resource use (HRU) in adult cardiac surgical patients. This study aimed to identify patient-related, hospital, and perioperative characteristics associated with HRU admissions involving elective cardiac operations.

Methods: Data from the National Inpatient Sample was used to identify patients who underwent coronary artery bypass graft, valve replacement, and valve repair operations between 2005 and 2016.

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Background: Transsternal open thymectomy has long been the most widely used approach for thymectomy, but recent decades have seen the introduction of minimally invasive surgery (MIS), such as video-assisted thoracoscopic surgery (VATS) and robot-assisted thoracoscopic surgery (RATS) thymectomy. This retrospective cohort study provides a national comparison of trends, outcomes, and resource utilization of open, VATS, and RATS thymectomy.

Methods: Admissions for thymectomies from 2008 to 2014 were identified in the National Inpatient Sample.

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An improvement in HPV vaccination rates is one of the primary goals of public health organizations. Toward this end, fear appeal communication is commonly used in health interventions, warning individuals of threats of HPV infection and promoting vaccination. However, little is known about how threat-related emotions, such as fear and anxiety, influence the cognitive processing of vaccination information and how this processing is associated with vaccination intention.

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Background: Laparoscopic cholecystectomy has reached nearly universal adoption in the management of gallstone-related disease. With advances in operative technology, robotic-assisted cholecystectomy has been used increasingly in many practices, but few studies have examined the adoption of robotic assistance for inpatient cholecystectomy and the temporal outcomes on a national scale. The present study aimed to identify trends in utilization, as well as outcomes and factors associated with the use of robotic-assisted cholecystectomy.

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Introduction: Guidelines recommend early endoscopic retrograde cholangiopancreatography for the management of acute cholangitis, but the definition of the term "early" remains debatable. This study analyzed national trends in the timing of endoscopic retrograde cholangiopancreatography and identified the ideal time to perform preoperative endoscopic retrograde cholangiopancreatography in patients with acute cholangitis.

Methods: The 2005 to 2016 National Inpatient Sample was used to identify patients undergoing cholecystectomy for acute cholangitis.

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Background: Acute type A aortic dissection is a cardiovascular emergency requiring operative intervention. Despite advancements in operative technique and increased specialization of cardiovascular care, operative mortality, and morbidity after repair of type A aortic dissection remain high. Our aim was to assess national trends in outcomes of type A aortic dissection repair and the impact of institutional thoracic aortic repair volume on clinical outcomes and resource use in the United States.

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Background: Autoimmune connective tissue diseases (CTDs) are associated with accelerated atherosclerosis and inflammation, while often requiring immunosuppression. Large-scale outcomes of coronary artery bypass graft (CABG) surgery in this population have not been reported thus far. This study characterized trends in use of CABG in patients with CTDs and the impact of the disease on mortality, in-hospital complications, length of stay, and costs.

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This study investigated if and how exposure to Facebook comments about vaccines influences one's attitude toward the vaccines. In this investigation, comments were examined in light of their effect on attitude toward vaccines through perceived distribution of public opinion on vaccines, and perceived vaccine efficacy was tested as a factor moderating relative effects of comments on perception of public opinion distributions. Results from an experimental study ( = 271) showed that exposure to a greater number of comments in a thread expressing (un)favorable opinions on the flu vaccine led to (un)favorable attitude toward the flu vaccine through a change in perceived distribution of public opinions on the vaccination.

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Granulomatosis with polyangiitis (GPA) is one of three described anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV). Early diagnosis and treatment of GPA is paramount, as it may help prevent irreversible end-organ damage, especially renal and pulmonary failure. A 72-year-old male with a past medical history of lung adenocarcinoma in remission, chronic sinusitis status-post multiple sinus surgeries, and coronary artery disease presented with shortness of breath, dark urine, and asymmetric polyarthralgias.

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Background: Atrial fibrillation (AF) is associated with left ventricular (LV) systolic dysfunction which may improve after AF ablation. We hypothesised that increased ventricular irregularity, as measured by R-R dispersion on the baseline ECG, would predict improvement in the left ventricular ejection fraction (LVEF) after AF ablation.

Methods: Patients with LVEF <50% at two US centres (2007-2016), having both a preablation and postablation echocardiogram or cardiac MRI, were included.

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Readmissions occur frequently in patients undergoing ostomy creation, ranging from 12 per cent to more than 30 per cent. The objective of this study was to compare the reasons for early intermediate readmissions after surgical procedures involving formation of ileostomies at a national level. Patients receiving a new ileostomy were identified in the 2010 to 2014 Nationwide Readmission Database.

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Article Synopsis
  • - The study analyzed the incidence of pulmonary embolism (PE) among adult patients who had colectomy between 2005 and 2014, focusing on the influence of race and hospital characteristics, especially contrasting high-burden hospitals (HBHs) and low-burden hospitals.
  • - Results showed that Black patients had a significantly higher rate of PE compared to White and Hispanic patients, with rates increasing over the study period from 0.6% in 2005 to 0.95% in 2014.
  • - The research concluded that both receiving colectomy at HBHs and being Black were independent predictors of higher PE rates, highlighting a need for targeted interventions to improve surgical care and outcomes for vulnerable populations.
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Background: Readmission after surgery is an established surrogate indicator of quality of care. We aimed to compare short-term readmission rates and patient outcomes between open, video-assisted thoracoscopic (VATS), and robotic lobectomies in the Nationwide Readmissions Database (NRD).

Methods: Adults who underwent open, VATS, or robotic lobectomy for lung cancer from 2010 to 2014 were evaluated.

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Background: Depression affects between 10% and 40% of cardiac surgery patients and is associated with significantly worse outcomes. The incidence and impact of new-onset depression beyond acute follow-up remain ill-defined. The present study aimed to evaluate the incidence, risk factors, and prognostic implication of depression on 90-d readmission rates after coronary artery bypass grafting (CABG) surgery.

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Improvements in technology and operator experience have led to exponential growth of transcatheter aortic valve implantation (TAVI) programs. Late bleeding complications were recently highlighted after TAVI with a high impact on morbidity. The purpose of the present study was to assess the incidence and financial impact of late Gastrointestinal (GI) bleeding after TAVI, and compare with the surgical cohort.

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Background: The use of extracorporeal membrane oxygenation (ECMO) has emerged as a common therapy for severe cardiopulmonary dysfunction. We aimed to describe the relationship of institutional volume with patient outcomes and examine transfer status to tertiary ECMO centers.

Materials And Methods: Using the National Inpatient Sample, we identified adult patients who received ECMO from 2008 to 2014.

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Background: Extracorporeal membrane oxygenation is used as a life-sustaining measure in patients with acute or end-stage cardiac or respiratory failure. We analyzed national trends in extracorporeal membrane oxygenation use and outcomes and assessed the influence of hospital demographics.

Methods: Adult extracorporeal membrane oxygenation patients in the 2008-2014 National Inpatient Sample were evaluated.

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Background: Heparin is routinely used in many cardiovascular procedures to prevent thrombosis. An antibody-mediated process, heparin-induced thrombocytopenia occurs in a small subset of patients exposed to heparin. Though some have suggested a recent increase in the incidence of heparin-induced thrombocytopenia, data on the impact of heparin-induced thrombocytopenia on costs and duration of stay after cardiac surgery is generally lacking.

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