Publications by authors named "Halverson A"

Background And Objectives: The PROSPECT trial showed noninferiority of neoadjuvant chemotherapy (NAC) with selective chemoradiation (CRT) versus CRT alone. However, trial results are often difficult to reproduce with real-world data. Pathologic outcomes and overall survival (OS) were evaluated by neoadjuvant strategy in locally advanced rectal adenocarcinoma patients in a national database.

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Background: Effective technical and nontechnical skills are necessary for surgeons to provide optimal patient care. The aim of this study was to assess the relationship between Nontechnical Skills for Surgeons (NOTSS) and postoperative outcomes among general surgery patients.

Method: This prospective observational study was conducted at a single, large, urban, academic hospital in the USA from February to September 2022.

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Objective: Leadership is an essential skill for surgeons, but it is not systematically taught in residency. The objective of this study was to explore the current experiences, motivators, and perspectives on leadership training of general surgery residents.

Design/setting/participants: Semi-structured focus groups were conducted with 20 general surgery residents at an academic training program.

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Our residents expressed dissatisfaction with operative autonomy and faculty feedback regarding technical skills. They reported variability among faculty regarding allowed operative autonomy. Our goals were to establish a shared mental model among residents and faculty regarding intraoperative performance expectations.

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Background: Leadership skills of team leaders can impact the functioning of their teams. It is unknown whether attending surgeons' leadership skills impact residents' physiological stress. This study sought to (1) assess the relationship between attending surgeons' leadership skills and residents' physiological stress and (2) to characterize lifestyle behaviors associated with resident physiological stress.

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Article Synopsis
  • The study explores how traveling longer distances to high-volume surgical centers for non-small cell lung cancer (NSCLC) affects patients' chances of receiving adjuvant chemotherapy (AC) and overall survival rates.
  • Researchers analyzed data from nearly 132,000 NSCLC patients and found that those traveling farther for surgery were less likely to receive AC.
  • Results showed that patients who traveled over 28 miles to high-volume centers had significantly higher mortality rates compared to those who traveled less than 5.1 miles to low-volume centers, underscoring the impact of travel distance on cancer treatment outcomes.
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Background: Surgical quality improvement collaboratives (QICs) aim to improve patient outcomes through coaching, benchmarked data reporting, and other activities. Although other regional QICs have formed organically over time, it is unknown whether a comprehensive quality improvement program implemented simultaneously across hospitals at the formation of a QIC would improve patient outcomes.

Study Design: Patients undergoing surgery at 48 hospitals in the Illinois Surgical Quality Improvement Collaborative (ISQIC) were included.

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Article Synopsis
  • - The study examines why rural patients with potentially resectable non-small cell lung cancer (NSCLC) are less likely to receive surgery compared to urban patients, using data from the National Cancer Database between 2004 and 2018.
  • - Out of 324,785 NSCLC patients analyzed, 13% were from rural areas, with only 58.8% of rural patients undergoing surgery compared to 62.4% of urban patients, highlighting a significant gap.
  • - Rural patients faced higher odds of receiving non-surgical recommendations, having surgery deemed too risky, and overall not getting surgery, indicating a clear geographic disparity in cancer care management.
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Introduction: In 2014, 56 Illinois hospitals came together to form a unique learning collaborative, the Illinois Surgical Quality Improvement Collaborative (ISQIC). Our objectives are to provide an overview of the first three years of ISQIC focused on (1) how the collaborative was formed and funded, (2) the 21 strategies implemented to support quality improvement (QI), (3) collaborative sustainment, and (4) how the collaborative acts as a platform for innovative QI research.

Methods: ISQIC includes 21 components to facilitate QI that target the hospital, the surgical QI team, and the peri-operative microsystem.

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Article Synopsis
  • Nonsmall-cell lung cancer (NSCLC) is more frequently diagnosed in patients from rural and small-town areas, who face challenges in accessing healthcare.
  • A study analyzed data from the National Cancer Database to compare survival rates between surgically treated NSCLC patients in rural/small-town regions and those in urban areas from 2004 to 2016.
  • Results showed that rural/small-town patients had poorer survival probabilities at 1, 5, and 10 years, and factors like longer travel distances for treatment contributed to an increased risk of death.
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Objective: The COVID-19 pandemic has played a lasting role on residency recruitment through the virtual interview process. The objective of this study was to 1) examine general surgery applicants' priorities and perceptions following pre-interview virtual open houses and 2) to assess applicant expectations and efficacy of the virtual interview day process.

Design/setting/participants: This study utilized two voluntary and anonymous cross-sectional surveys administered via email to evaluate the virtual interview process of a general surgery residency program.

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Anal squamous cell carcinoma (SCC) is a human papillomavirus (HPV)-mediated malignancy with increasing incidence. Human immunodeficiency virus (HIV) infection is a significant risk factor for anal SCC; however, it is unknown if HIV infection alters anal lesion progression and HPV strain profile. This study aims to determine whether HIV coinfection is associated with progression of HPV-mediated anal lesions and on their HPV strain diversity.

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Objective: The aims of this study were (1) to evaluate the feasibility of using the Non-Technical Skills for Surgeons (NOTSS) rating tool in assessing surgeons' non-technical skills behaviors in live operations, and (2) to describe the effect of NOTSS on intraoperative performance.

Setting Design: This study was conducted in an academic hospital in North America. Two observers independently conducted direct non-participant observations using the NOTSS rating tool to assess non-technical skills, and to document examples of effective or ineffective non-technical skills behaviors.

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Background: Adherence to bundled interventions can reduce surgical site infection (SSI) rates; however, predictors of successful implementation are poorly characterized. We studied the association of patient and hospital characteristics with adherence to a colorectal SSI reduction bundle across a statewide surgical collaborative.

Study Design: A 16-component colorectal SSI reduction bundle was introduced in 2016 across a statewide quality improvement collaborative.

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Background: Surgical site infection reduction bundles are effective but can be complex and resource intensive. Understanding which bundle elements are associated with reduced surgical site infections may guide concise bundle implementation.

Objective: The purpose of this study was to evaluate the association of individual surgical site infection reduction bundle elements with infection rates.

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Background: Screening colonoscopy effectiveness depends on procedure quality; however, knowledge about colonoscopy quality in rural and underserved areas is limited. This study aimed to describe the characteristics and quality of colonoscopy and to examine predictors of colonoscopy quality at rural and underserved hospitals.

Methods: Adults undergoing colonoscopy from April 2017 to March 2019 at rural or underserved hospitals across the Illinois Surgical Quality Improvement Collaborative were prospectively identified.

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Objective: The objectives of this study were to 1) assess the performance Entrustable Professional Activities (EPAs) when integrated into the summative assessment of third-year medical students on the surgery clerkship and 2) to compare EPAs to traditional clinical performance assessment tools.

Design: EPA assessments were collected prospectively from a minimum of 4 evaluators at the completion of each surgical clerkship rotation from November 2019 to June 2019. Overall EPA-based clinical performance scores were calculated as the sum of the mean EPA score from each evaluator.

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Background: Laparoscopic common bile duct exploration (LCBDE) is an underutilized therapy for choledocholithiasis. The driving factors of this practice gap are poorly defined. We sought to evaluate the attitudes and practice patterns of surgeons who underwent training courses using an LCBDE simulator.

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The NCCN Guidelines for Colorectal Cancer (CRC) Screening describe various colorectal screening modalities as well as recommended screening schedules for patients at average or increased risk of developing sporadic CRC. They are intended to aid physicians with clinical decision-making regarding CRC screening for patients without defined genetic syndromes. These NCCN Guidelines Insights focus on select recent updates to the NCCN Guidelines, including a section on primary and secondary CRC prevention, and provide context for the panel's recommendations regarding the age to initiate screening in average risk individuals and follow-up for low-risk adenomas.

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Several national studies have demonstrated that rural hospitals successfully deliver high-quality care. Data at the national, regional, institutional, and individual practitioner levels all contribute to understanding of surgical outcomes in the rural setting. Quality metrics should be interpreted within the context of the rural community and outcomes analyzed with relevant risk adjustment for patient factors.

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Importance: Hospital safety culture remains a critical consideration when seeking to reduce medical errors and improve quality of care. Little is known regarding whether participation in a comprehensive, multicomponent, statewide quality collaborative is associated with changes in hospital safety culture.

Objective: To examine whether implementation of a comprehensive, multicomponent, statewide surgical quality improvement collaborative is associated with changes in hospital safety culture.

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Objective: Our objectives were to (1) develop a curriculum based upon participants' needs, (2) evaluate baseline QI knowledge of the Illinois Surgical Quality Improvement Collaborative (ISQIC) members, and (3) evaluate the effectiveness of the educational curriculum.

Design: The Surgeon Champion (SC), Surgical Clinical Reviewer (SCR), and QI Designee at each ISQIC hospital completed a QI curriculum containing online modules and in-person trainings. A surgical adaptation of QI-KAT, a validated QI knowledge assessment with multiple-choice and free-response sections, was administered pre- and postcurriculum.

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Antegrade or retrograde nailing for femoral shaft fractures remains the gold standard, but long-term data on functional outcomes after intramedullary nailing are lacking. In a retrospective review of prospectively collected patient registry data, patients with an isolated femoral shaft fracture treated with antegrade or retrograde femoral nailing from 1997 to 2012 were interviewed and their medical records analyzed. Functional reported outcome data were obtained via the visual analog scale (VAS) for pain and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) at 5 to 17 years postoperatively.

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