Publications by authors named "Joanne Yi"

Delivery of the fourth year clinical program at the University of Calgary Veterinary Medicine (UCVM) is facilitated through the Distributed Veterinary Learning Community (DVLC) which has underwent major revisions in response to the COVID-19 pandemic. To determine the perceptions of how COVID-19 impacted fourth-year clinical rotations, students ( = 24) and DVLC practice rotation coordinators (PRCs, = 23) completed two questionnaires over a 7-month period. The survey consisted of demographic questions, statements ranked on an agreement scale, and open-ended questions.

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Objectives: To determine the publication rate of abstracts presented at 10 European College of Veterinary Surgeons conferences from 2006 to 2015, report the key publication milestones, and determine variables associated with full manuscript publication.

Study Design: Literature review.

Sample Population: One thousand thirty-eight abstracts.

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Introduction: Patients with small-cell lung cancer (SCLC) have a very poor prognosis. However, a subset of SCLC achieves long-term survival. The objective of this study was to investigate factors and pattern of long-term survival in patients with limited-stage small cell lung cancer (LS-SCLC) who achieved a complete response (CR) after chemoradiotherapy.

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Introduction: Understanding how veterans use Veterans Affairs (VA) for primary care and non-VA for acute care can help policy makers predict future health care resource use. We aimed to describe characteristics of veterans enrolled in a multisite clinical trial of non-VA acute event notifications and care coordination and to identify patient factors associated with non-VA acute care.

Methods: Characteristics of 565 veterans enrolled in a prospective cluster randomized trial at the Bronx and Indianapolis VA Medical Centers were obtained by interview and chart review.

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Article Synopsis
  • This study focuses on very elderly patients (80 years and older) with small-cell lung cancer (SCLC), highlighting a lack of published data on their outcomes.
  • Out of 146 patients, survival rates varied significantly based on treatment options, with those receiving aggressive therapies (chemotherapy plus local therapy) achieving the longest median survival of 14.4 months, compared to just 1.3 months for those not receiving any treatment.
  • The findings suggest that while older patients may have limited health reserves, they can benefit from intensive treatment, and recommend the need for geriatric assessments and tailored support for these individuals.
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Achaete-scute homolog 1 (ASCL1) is a neuroendocrine transcription factor specifically expressed in 10-20% of lung adenocarcinomas (AD) with neuroendocrine (NE) differentiation (NED). ASCL1 functions as an upstream regulator of the RET oncogene in AD with high ASCL1 expression (A+AD). RET is a receptor tyrosine kinase with two main human isoforms; RET9 (short) and RET51 (long).

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Previous preclinical studies and a phase I clinical trial suggested that myo-inositol may be a safe and effective lung cancer chemopreventive agent. We conducted a randomized, double blind, placebo-controlled phase IIb study to determine the chemopreventive effects of myo-inositol in smokers with bronchial dysplasia. Smokers with ≥1 site of dysplasia identified by autofluorescence bronchoscopy-directed biopsy were randomly assigned to receive oral placebo or myo-inositol, 9 g once a day for 2 weeks, and then twice a day for 6 months.

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Introduction: Sulindac represents a promising candidate agent for lung cancer chemoprevention, but clinical trial data have not been previously reported. We conducted a randomized, phase II chemoprevention trial involving current or former cigarette smokers (≥30 pack-years) utilizing the multi-center, inter-disciplinary infrastructure of the Cancer Prevention Network (CPN).

Methods: At least 1 bronchial dysplastic lesion identified by fluorescence bronchoscopy was required for randomization.

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The purpose of this study was to identify key genetic pathways involved in non-small cell lung cancer (NSCLC) and understand their role in tumor progression. We performed a genome wide scanning using paired tumors and corresponding 16 mucosal biopsies from four follow-up lung cancer patients on Affymetrix 250K-NSpI array platform. We found that a single gene SH3GL2 located on human chromosome 9p22 was most frequently deleted in all the tumors and corresponding mucosal biopsies.

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