Publications by authors named "Tracy J Cheun"

Purpose: Percutaneous renal artery revascularization for hypertension and renal dysfunction remains common. The frequency, cause, and outcomes of anatomic injury associated with renal intervention are poorly delineated. This study aims to determine the frequency of acute anatomic renal injury after renal artery interventions, identify factors associated with anatomic renal injury, and determine whether anatomic renal injury related to renal intervention is associated with late adverse clinical events.

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Objective: Inframalleolar disease is present in most diabetic patients presenting with tissue loss. Inframalleolar (pedal) artery disease and pedal medial arterial calcification (pMAC) are associated with major amputation in patients with chronic limb-threatening ischemia (CLTI). This study aimed to examine the impact of pMAC on the outcomes after isolated inframalleolar (pedal artery) interventions.

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Objective: Failure to achieve timely arteriovenous fistulae (AVFs) utilization due to excessive depth (>6 mm) remains an ongoing concern for dialysis access. This study evaluates the outcomes of radiocephalic (RCF) and brachiocephalic (BCF) fistula elevation required for access utilization.

Methods: A retrospective review of all patients undergoing first-time autologous access over 10 years was undertaken.

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Background: The ABSITE is an annual formative assessment of residents' knowledge. This study examines the effects of remediation models on performance in the ABSITE.

Methods: A systemic literature review, qualitative content analysis and a quantitative meta-analysis were performed on studies from 1980 to 2018.

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Background: Inframalleolar disease is present in many diabetic patients presenting with tissue loss. The aim of this study was to examine the patient-centered outcomes after isolated inframalleolar interventions.

Methods: A database of patients undergoing lower extremity endovascular interventions for tissue loss (critical limb-threatening ischemia, Wound, Ischemia, and foot Infection [WIfI] stage 1-3) and a de novo intervention on the index limb between 2007 and 2017 was retrospectively queried.

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Background: Endovascular tibial interventions for chronic limb-threatening ischemia are frequent, but the implications of early failure (≤30 days) of an isolated tibial intervention are still unclear. The aim of this study was to examine the patient-centered outcomes after early failure of isolated tibial artery intervention.

Methods: A database of patients undergoing lower extremity endovascular interventions between 2007 and 2017 was retrospectively queried.

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Background: Major lower extremity amputations remain among the most common procedures performed by vascular surgeons in patients with diabetes and its associated peripheral vascular disease. After major amputation, this population commonly suffers from high readmission rates, increased wound complications, and conversion to more proximal major amputations. These events impact quality in terms of cost, resources, and subjective quality of life.

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Background: Critical hand ischemia owing to vascular access-induced steal syndrome (VASS) continues to be a significant problem. The aim of this study was to examine the outcomes of arterial endovascular interventions in the upper extremity of patients presenting with VASS.

Methods: A database of patients presenting with documented VASS between 2006 and 2016 was retrospectively queried.

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Background: Critical hand ischemia owing to below-the-elbow atherosclerotic occlusive disease is relatively uncommon. The aim of this study was to examine the outcomes in patients presenting with critical ischemia owing to below-the-elbow arterial atherosclerotic disease who underwent nonoperative and operative management.

Methods: A database of patients undergoing operative and nonoperative management for symptomatic below-the-elbow atherosclerotic disease between 2006 and 2016 was retrospectively queried.

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