Publications by authors named "Edward Lin"

Background: Cardiac allograft vasculopathy (CAV) leads to impaired myocardial blood flow (MBF), increasing the risk of cardiovascular death or retransplant among heart transplantation (HT) recipients. Data on elevation in donor-derived cell-free DNA (dd-cfDNA) and CAV in the absence of rejection are mixed. We sought to test the hypothesis that CAV with reduced MBF (RMBF) is associated with elevated dd-cfDNA.

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Background: Adjuvant chemotherapy offers survival benefit to patients with gastric cancer. Only 50-65% of patients who undergo neoadjuvant chemotherapy and gastrectomy are able to receive adjuvant therapy. It is optimal to start adjuvant therapy within 8 weeks after gastrectomy.

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Introduction: Ambulatory hip arthroscopies are associated with moderate-to-severe pain often requiring opioid analgesia. Novel motor-sparing blocks, the pericapsular nerve group (PENG) and lateral femoral cutaneous nerve (LFCN) block, have shown efficacy in hip surgery.

Purpose: We sought to investigate the analgesic benefits of these novel blocks in terms of opioid-sparing and discharge efficiency.

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Fundoplication is a durable, effective, and well-accepted treatment for gastroesophageal reflux disease. Nonetheless, troublesome postoperative symptoms do occasionally occur with management varying widely among centers. In an attempt to standardize definition and management of postfundoplication symptoms, a panel of international experts convened by the Guidelines Committee of the International Society for Diseases of the Esophagus devised a list of 33 statements across 5 domains through a Delphi approach, with at least 80% agreement to establish consensus.

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Background: Donor-derived cell-free DNA (dd-cfDNA) has emerged as a reliable, noninvasive method for the surveillance of allograft rejection in heart transplantation (HT) patients, but its utility in multi-organ transplants (MOT) is unknown. We describe our experience using dd-cfDNA in simultaneous MOT recipients.

Methods: A single-center retrospective review of all HT recipients between 2018 and 2022 that had at least one measurement of dd-cfDNA collected.

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Background: Cancer survivors (CS) comprise a particularly high-risk group for both de-novo and recurrent malignancies after solid organ transplantation.

Case Presentation: We report a case of relapsed melanoma, presented as metastatic disease seven months after heart transplantation in a patient who had an early-stage melanoma resected 25 years prior. Treatment with a combination of dabrafenib, a BRAF inhibitor, and trametinib, a mitogen-activated protein kinase (MEK) inhibitor resulted in a near-complete metabolic response, without major adverse effects.

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Background/objectives: Pain resilience (PR) may be associated with different coping skills, resulting in differences in pain outcomes. This study aimed to understand the role of PR in dictating the choice of coping methods.

Methods: This study completed a preliminary validation of the Mandarin Chinese version of the Pain Resilience Scale (PRS-C) with online survey data (n = 46).

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Background: Data demonstrating the clinical benefit of robotic cholecystectomy over the laparoscopic approach are lacking. Herein, we aim to evaluate whether robotic cholecystectomy is associated with improved surgical outcomes compared with laparoscopic cholecystectomy.

Study Design: This is a retrospective cohort study that used the American College of Surgeons National Surgical Quality Improvement Program to compare the outcomes of patients who underwent robotic or laparoscopic cholecystectomy for benign indications in 2022.

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Background: Hiatal hernia repair (HHR) performed concurrently with vertical sleeve gastrectomy (VSG) has been shown to improve postoperative gastroesophageal reflux disease (GERD). However, data on the optimal extent of esophageal mobilization during repair are lacking. Mobilization techniques for HHR during VSG include partial (PM) or full (FM) mobilization of the esophagus.

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Attentional bias (AB) for addictive substances is a feature of attention found in individuals with substance misuse or diagnosed with substance use disorders. When AB exists, the attention of the addicted individual may be quickly oriented to cues related to the addictive substance or be maintained on these cues for a longer time. AB toward opioids was found in Western samples of smokers with chronic noncancer pain.

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Objectives: To evaluate the clinical implications of adjunctive molecular gene expression analysis (MMDx ) of biopsy specimens in heart transplant (HT ) recipients with suspected rejection.

Introduction: Histopathological evaluation remains the standard method for rejection diagnosis in HT. However, the wide interobserver variability combined with a relatively common incidence of "biopsy-negative" rejection has raised concerns about the likelihood of false-negative results.

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Article Synopsis
  • * The study assessed patients using the Body-Q Eating Module questionnaire over multiple time points, revealing a trend where initial positive changes in eating behaviors diminished after one year, leading to increased reports of symptoms like pain and regurgitation.
  • * While patients experienced some short-term benefits, such as healthier eating habits and improved emotional responses in the first year post-SG, many negative feelings and symptoms returned or worsened by the second year, highlighting the need for ongoing support post-surgery.
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Multiple sclerosis (MS) is a chronic disease with an underlying pathology characterized by inflammation-driven neuronal loss, axonal injury, and demyelination. Bruton's tyrosine kinase (BTK), a nonreceptor tyrosine kinase and member of the TEC family of kinases, is involved in the regulation, migration, and functional activation of B cells and myeloid cells in the periphery and the central nervous system (CNS), cell types which are deemed central to the pathology contributing to disease progression in MS patients. Herein, we describe the discovery of BIIB129 (), a structurally distinct and brain-penetrant targeted covalent inhibitor (TCI) of BTK with an unprecedented binding mode responsible for its high kinome selectivity.

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Introduction: Surgery remains the cornerstone treatment for gastric cancer. Previous studies have reported better lymphadenectomy with minimally invasive approaches. There is a paucity of data comparing robotic and laparoscopic gastrectomy in the US.

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-GlcNAcylation is thought to play a role in the development of tau pathology in Alzheimer's disease because of its ability to modulate tau's aggregation propensity. -GlcNAcylation is regulated by 2 enzymes: -GlcNAc transferase and -GlcNAcase (OGA). Development of a PET tracer would therefore be an essential tool for developing therapeutic small-molecule inhibitors of OGA, enabling clinical testing of target engagement and dose selection.

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Article Synopsis
  • Monitoring for graft rejection is essential in post-transplant care, especially in heart transplants, where traditional methods like endomyocardial biopsy (EMB) have limitations, including complications and variability in interpretation.
  • Newer noninvasive tools, such as cardiac biomarkers, imaging, gene expression profiling, donor-derived cell-free DNA, and the molecular microscope diagnostic system (MMDx), have emerged as important alternatives for rejection surveillance.
  • The paper argues for the use of MMDx to enhance early detection of rejection when results from EMB don't align with other noninvasive screening methods.
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Background: Metabolic and bariatric surgery (MBS) venous thromboembolism (VTE) prescribing practices vary widely. Our institutional VTE prophylaxis protocol has historically been unstandardized.

Objectives: To create a standardized MBS VTE prophylaxis protocol, track protocol compliance, and identify barriers to protocol compliance and address them with Plan-Do-Study-Act (PDSA) cycles.

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Introduction: Assessment of surgical resident technical performance is an integral component of any surgical training program. Timely assessment delivered in a structured format is a critical step to enhance technical skills, but residents often report that the quality and quantity of timely feedback received is lacking. Moreover, the absence of written feedback with specificity can allow residents to seemingly progress in their operative milestones as a junior resident, but struggle as they progress into their postgraduate year 3 and above.

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Article Synopsis
  • - The study aimed to compare the effectiveness of suction calibration systems (SCS) and esophagogastroduodenoscopy (EGD) in laparoscopic sleeve gastrectomy (LSG) to see if SCS could reduce the number of stapler load firings during the procedure.
  • - Conducted as a randomized, non-blinded trial at a single academic center, the study included 125 LSG candidates and focused on endpoints like stapler load firings, operative time, reflux symptoms, and weight change, analyzed using t-tests.
  • - Results showed no significant differences between the EGD and SCS groups in terms of stapler load firings (5.43 vs. 5.31) and
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Imaging -GlcNAcase OGA by positron emission tomography (PET) could provide information on the pathophysiological pathway of neurodegenerative diseases and important information on drug-target engagement and be helpful in dose selection of therapeutic drugs. Our aim was to develop an efficient synthetic method for labeling BIO-1819578 with carbon-11 using CO for evaluation of its potential to measure levels of OGA enzyme in non-human primate (NHP) brain using PET. Radiolabeling was achieved in one-pot via a carbon-11 carbonylation reaction using [C]CO.

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Background: Venous thromboembolism (VTE) is a leading cause of 30-day mortality after metabolic and bariatric surgery (MBS). Multiple predictive tools exist for VTE risk assessment and extended VTE chemoprophylaxis determination.

Objective: To review existing risk-stratification tools and compare their predictive abilities.

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Background: The National Comprehensive Cancer Network guidelines recommend harvesting 16 or more lymph nodes for the adequate staging of gastric adenocarcinoma. This study examines the rate of adequate lymphadenectomy over recent years, its predictors, and its impact on overall survival(OS).

Study Design: The National Cancer Database was utilized to identify patients who underwent surgical treatment for gastric adenocarcinoma between 2006-2019.

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Introduction: The COVID-19- pandemic significantly impacted metabolic and bariatric surgery (MBS) practices due to large-scale surgery cancellations along with staff and supply shortages. We analyzed sleeve gastrectomy (SG) hospital-level financial metrics before and after the COVID-19 pandemic.

Methods: Hospital cost-accounting software (MicroStrategy, Tysons, VA) was reviewed for revenues, costs, and profits per SG at an academic hospital (2017-2022).

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