Publications by authors named "Aiden Lui"

Objective: While ambulatory capacity is a readily assessable clinical indicator of functional status, its association with outcomes after endovascular aneurysm repair (EVAR) remains underexplored. This study aimed to investigate the association between pre-operative ambulatory status and outcomes following elective EVAR.

Methods: A retrospective review of the multi-institutional Vascular Quality Initiative database was conducted for all patients who underwent elective infrarenal EVAR from 2009 - 2022.

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Article Synopsis
  • The study investigates the link between acute kidney injury (AKI) and outcomes in patients with spontaneous subarachnoid hemorrhage (SAH), a serious condition with a high risk of complications.
  • An analysis of over 76,000 SAH patients from 2010 to 2019 shows that about 14% developed AKI, with these patients being older and more likely to be obese compared to those without AKI.
  • Findings indicate that AKI is significantly associated with poorer functional outcomes, longer hospital stays, and higher in-hospital mortality, highlighting the need for early detection to improve recovery chances.
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Central retinal artery occlusion (CRAO) is a rare and visually debilitating vascular condition characterized by sudden and severe vision loss. CRAO is a compelling target for intravenous alteplase (tPA) and endovascular mechanical thrombectomy (MT) due to pathophysiological similarities with acute ischemic stroke; however, the utility of these interventions in CRAO remains dubious due to limited sample sizes and potential risks. To assess usage and outcomes of tPA and MT in CRAO, we queried the National Inpatient Sample database using International Classification of Disease, Ninth and Tenth edition for patients with CRAO and acute ischemic stroke between 2010 and 2019.

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Importance: A 2018 Executive Order calling for price transparency required hospitals to publicly provide chargemasters, which are detailed lists of standard price listings for billable medical procedures.

Objectives: The objective of this study was to evaluate price listing variations in common urogynecology procedures.

Study Design: This was a cross-sectional study of chargemasters obtained between February and April 2020 from hospitals across 5 states chosen to reflect the diversity of health systems in the United States.

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Background: Intracerebral hemorrhage (ICH) carries significant morbidity and mortality. Previous single-center retrospective analysis suggests that end-stage renal disease (ESRD) is a risk factor for severe ICH and worse outcomes. This investigation aims to examine the impact of ESRD on ICH severity, complications, and outcomes using a multicenter national database.

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Frailty is an emerging concept in clinical practice used to predict outcomes and dictate treatment algorithms. Frail patients, especially older adults, are at higher risk for adverse outcomes. Aneurysmal subarachnoid hemorrhage (aSAH) is a neurosurgical emergency associated with high morbidity and mortality rates that have previously been shown to correlate with frailty.

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Objectives: A chargemaster is a database of all of the billable items offered by a hospital with their base price listings. A 2018 executive order required all American hospitals to publish their chargemasters to increase price transparency and reduce healthcare expenditures. Chargemaster listings, however, demonstrate marked variability and inconsistency and have not been associated with consumer benefit.

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Objectives: Chronic inflammation of the gastrointestinal tract is a hallmark of inflammatory bowel disease (IBD). This increased inflammation is thought to induce a hypercoagulable state that increases the risk for stroke. However, few studies have examined the association between IBD and acute ischemic stroke (AIS).

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Objective: Renal transplant is associated with substantial survival advantage in patients with end-stage renal disease. However, little is known about the outcomes of renal transplant recipients (RTRs) after endovascular abdominal aortic aneurysm repair (EVAR). This study aimed to study the effect of renal transplant on perioperative outcomes and long-term survival after elective infrarenal EVAR.

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Introduction: Endovascular aneurysm repair has improved outcomes for ruptured abdominal aortic aneurysms (rAAA) compared with open repair. We examined the impact of aorto-uni-iliac (AUI) vs standard bifurcated endograft configuration on outcomes in rAAA.

Methods: Patients 18 years or older in the Vascular Quality Initiative database who underwent endovascular aneurysm repair for rAAA from January 2011 to April 2020 were included.

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Objective: To determine the predictive ability of the 5-point modified frailty index relative to age in elective otology patients.

Study Design: Retrospective database analysis.

Setting: Multicenter, national database of surgical patients.

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Background: Atlantoaxial rotatory subluxation (AARS) is a rare injury of the C1/C2 junction. It is often associated with trauma in adults. Treatment may depend on the duration of symptoms and clinical presentation, but there is no consensus regarding the ideal management of these injuries.

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Article Synopsis
  • * Younger AIS patients with DD tend to have higher stroke severity and worse discharge outcomes, including higher mortality rates.
  • * However, outcomes post-EVT are similar between DD and fully-abled patients, highlighting the importance of including DD individuals in clinical studies to better understand their care needs.
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Background: Traumatic spinal injury (TSI) can lead to severe morbidity and significant health care resource utilization. Intraoperative navigation (ION) systems have been shown to improve outcomes in some populations. However, controversy about the benefit of ION remains.

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Introduction: Acute kidney injury (AKI) is associated with poor outcome in aneurysmal subarachnoid hemorrhage patients (aSAH). Frailty has recently been demonstrated to correlate with elevated mortality and morbidity; its impact on predicting AKI and mortality in aSAH patients has not been investigated.

Objective: Evaluating risk factors and predictors for AKI in aSAH patients.

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