Publications by authors named "Kelly Lien"

Social medicine and health advocacy curricula are known to be uncommon in postgraduate medical education. As justice movements work to unveil the systemic barriers experienced by sexual and gender minority (SGM) populations, it is imperative that the emergency medicine (EM) community progress in its efforts to provide equitable, accessible, and competent care for these vulnerable groups. Given the paucity of literature on this subject in the context of EM in Canada, this commentary borrows evidence from other specialties across North America.

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Objectives: The CAEP 2021 2SLGBTQIA + panel sought whether a gap exists within Canadian emergency medicine training pertaining to sexual and gender minority communities. This panel aimed to generate practical recommendations on improving emergency medicine education about sexual and gender minorities, thereby improving access to equitable healthcare.

Methods: From August 2020 to June 2021, a panel of emergency medicine practitioners, residents, students, and community representatives met monthly via videoconference.

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Objectives: Physicians working in the emergency department (ED) will interact with two-spirited, lesbian, gay, bisexual, transgender, queer/questioning and intersex (2SLGBTQI+) persons as colleagues and patients. These patients have unique healthcare needs and encounter negative experiences when seeking medical care, leading to poorer health outcomes and inequities. This study aims to explore the attitudes, behaviour, and comfort of Canadian emergency medicine (EM) physicians in caring for 2SLGBTQI+ patients.

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Background: Free Open-Access Medical education (FOAM) use among residents continues to rise. However, it often lacks quality assurance processes and residents receive little guidance on quality assessment. The Academic Life in Emergency Medicine Approved Instructional Resources tool (AAT) was created for FOAM appraisal by and for expert educators and has demonstrated validity in this context.

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Introduction Close outpatient follow-up with a specialist or family physician post-discharge from the emergency department (ED) has been shown to increase adherence to antihypertensive medications, decrease mortality in heart failure, and reduce the odds of myocardial infarction or death after ED presentation for chest pain. A Canadian study demonstrated that 21% of patients who left the ED with a new diagnosis of atrial fibrillation, heart failure, or hypertension were not seen by a physician within 30 days. There is a paucity of research investigating why this follow-up does not occur.

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Introduction Podcasts and blog posts have gained popularity in Free Open Access Medical education (FOAM). Previous work suggests that podcasts may be useful for knowledge acquisition in undergraduate medical education. However, there remains a paucity of research comparing the two mediums.

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The relative survival benefits and postoperative mortality among the different types of neoadjuvant treatments (such as chemotherapy only, radiotherapy only or chemoradiotherapy) for esophageal cancer patients are not well established. To evaluate the relative efficacy and safety of neoadjuvant therapies in resectable esophageal cancer, a Bayesian network meta-analysis was performed. MEDLINE, EMBASE and the Cochrane Central Register of Controlled Trials were searched for publications up to May 2016.

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Objectives: The current standard therapy for locally advanced squamous cell carcinoma of the head and neck (LASCCHN) is platinum-based chemotherapy plus concurrent radiotherapy (CRT), but several systemic therapies have been evaluated. We performed a Bayesian network meta-analysis (NMA) with random effects to enable direct and indirect comparisons of all existing treatment modalities for LASCCHN simultaneously.

Material And Methods: A systematic review was conducted using MEDLINE, EMBASE, ASCO abstracts, ASTRO abstracts and the Cochrane Central of Registered Trials using Cochrane methodology to identify randomized controlled trials (RCTs) up to June 2016.

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Objectives: To assess the cost-effectiveness of gemcitabine (G), G + 5-fluorouracil, G + capecitabine, G + cisplatin, G + oxaliplatin, G + erlotinib, G + nab-paclitaxel (GnP), and FOLFIRINOX in the treatment of advanced pancreatic cancer from a Canadian public health payer's perspective, using data from a recently published Bayesian network meta-analysis.

Methods: Analysis was conducted through a three-state Markov model and used data on the progression of disease with treatment from the gemcitabine arms of randomized controlled trials combined with estimates from the network meta-analysis for the newer regimens. Estimates of health care costs were obtained from local providers, and utilities were derived from the literature.

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Background: Adjuvant trastuzumab is the standard of care for patients with HER2 overexpressing breast cancer, but use of trastuzumab may lead to cardiotoxicity. Our goal was to evaluate the relationship between hospital and physician case volume and cardiac outcomes in this population.

Methods: In this retrospective cohort study, we identified all female patients in Ontario with a breast cancer diagnosis in 2003-2009 who underwent treatment with trastuzumab through a provincial drug-funding program and linked these patients to administrative databases to ascertain patient demographics, treating hospital and physician characteristics, admissions to hospital, cardiac risk factors, cardiac imaging and comorbidities.

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Purpose: Patients with unresectable wild-type KRAS metastatic colorectal cancer benefit from fluoropyrimidines (FP), oxaliplatin (O), irinotecan (I), bevacizumab (Bev), and epithelial growth factor receptor inhibitors (EGFRI). The most cost-effective regimen remains unclear.

Methods: A Markov model was constructed to examine the costs and outcomes of three treatment strategies: strategy A (reference strategy): EGFRI monotherapy in third line ([3L]; ie, first-line [1L]: Bev + FOLFIRI [FP + I] or FOLFOX [FP + O]; second line [2L]: FOLFIRI/FOLFOX; 3L: EGFRI); strategy B: EGFRI and I in 3L (ie, 1L: Bev + FOLFIRI/FOLFOX; 2L: FOLFIRI/FOLFOX; 3L: EGFRI + I); and strategy C: EGFRI in 1L (ie, 1L: EGFRI + FOLFIRI/FOLFOX; 2L: Bev + FOLFIRI/FOLFOX; 3L: best supportive care).

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Background: The late cardiac effect of adjuvant trastuzumab and its potential interaction with anthracycline have not been well-studied on a population level.

Methods: In this retrospective population-based cohort study, female breast cancer patients in Ontario, diagnosed between 2003 and 2009, were identified by the Ontario Cancer Registry and linked to administrative databases to ascertain demographics, cardiac risk factors, comorbidities, and use of adjuvant trastuzumab and other chemotherapy. Patients with pre-existing heart failure (HF) were excluded.

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Cetuximab (Erbitux) and panitumumab (Vectibix) are monoclonal antibodies to the EGFR. They are used as monotherapy or in combination with cytotoxic chemotherapy and increase both progression-free survival and overall survival in patients with wild-type RAS metastatic colorectal cancer. The most common side effects of therapy are dermatological, including skin (acneiform) rash, pruritus and hair changes.

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Background: For advanced pancreatic cancer, many regimens have been compared with gemcitabine (G) as the standard arm in randomized controlled trials. Few regimens have been directly compared with each other in randomized controlled trials and the relative efficacy and safety among them remains unclear.

Methods: A systematic review was performed through MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and ASCO meeting abstracts up to May 2013 to identify randomized controlled trials that included advanced pancreatic cancer comparing the following regimens: G, G+5-fluorouracil, G+ capecitabine, G+S1, G+ cisplatin, G+ oxaliplatin, G+ erlotinib, G+ nab-paclitaxel, and FOLFIRINOX.

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Low-dose metronomic (LDM) chemotherapy is a beneficial and very well-tolerated form of chemotherapy utilization characterized by the frequent and uninterrupted administration of low doses of conventional chemotherapeutic agents over prolonged periods of time. While patients resistant to standard maximum tolerated dose (MTD) chemotherapy may still benefit from LDM chemotherapy, there is a lack of predictive markers of response to LDM chemotherapy. We searched the MEDLINE, EMBASE, CENTRAL and PubMed databases for correlative studies conducted as part of LDM chemotherapy trials in order to identify the most promising biomarker candidates.

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