Publications by authors named "Randolph G"

Peer review is an essential cornerstone of scientific advancement. This process involves understanding study design, data analytics, and interpretation of the evidence. For clinicians who are performing their initial peer reviews, and even for seasoned reviewers who assess complex manuscripts, it can be helpful to have a standard approach.

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The past 15 years have witnessed a leap in understanding the life cycle, gene expression profiles, origins and functions of mouse macrophages in many tissues, including macrophages of the artery wall and heart that have critical roles in cardiovascular health. Here, we review the phenotypical and functional diversity of macrophage populations in multiple organs and discuss the roles that proliferation, survival, and recruitment and replenishment from monocytes have in maintaining macrophages in homeostasis and inflammatory states such as atherosclerosis and myocardial infarction. We also introduce emerging data that better characterize the life cycle and phenotypic profiles of human macrophages.

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  • The study investigates management strategies for intermediate-risk papillary thyroid carcinoma (PTC) with lateral neck lymph node metastasis, focusing on comparing outcomes between lobectomy plus lateral neck dissection (LND) and total thyroidectomy plus LND.
  • The research was conducted at Ito Hospital in Tokyo, Japan, involving patients who underwent surgery from 2005 to 2012, excluding those with high-risk PTCs or concurrent thyroid cancers.
  • Findings from 401 patients show that overall survival rates after 5, 10, and 15 years were comparable between the two surgical options, indicating lobectomy plus LND is a viable alternative to total thyroidectomy for certain patients.
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  • The study investigates how 35 nuclear receptors (NRs) influence the differentiation and maintenance of key immune cells using a method called "Rainbow-CRISPR."
  • It finds that receptors for retinoic acid have significant and specific roles in various immune cell types, particularly in macrophages.
  • Notably, it uncovers a unique function of the retinoic acid receptor gamma (RARγ) in regulating immune cell survival and inflammasome activity, revealing its dual role in promoting health or cell death in macrophages.
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Background: The 2021 Hospital Price Transparency Rule mandated hospitals to publicly disclose their service prices to improve competition and lower healthcare costs. Our aim was to characterize commercial price variation for thyroidectomy and parathyroidectomy.

Methods: We performed a national cross-sectional study of hospital price variation in 2022 and 2023 using the Turquoise Health dataset.

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Background: The Structured Days Hypothesis posits that structure protects children against obesogenic behaviors (e.g., physical inactivity, unhealthy dietary intake) and, ultimately, prevents the occurrence of excessive weight gain.

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  • * NIFTP is diagnosed through histological examination, avoiding high-risk mutations, and has a low chance of recurrence, leading to less aggressive surgical treatment strategies compared to traditional thyroid cancers.
  • * The review aims to provide a detailed overview of NIFTP, covering its characteristics, diagnosis, management, and future research possibilities while highlighting challenges in improving preoperative diagnostics and follow-up care.
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  • The study focused on the safe use of radiofrequency ablation for thyroid nodules while protecting the recurrent laryngeal nerve from thermal damage using a porcine animal model.
  • Twelve piglets were tested at various radiofrequency power levels, with monitoring of real-time signal changes to assess safety distances and cooling durations related to the nerve.
  • Results showed that at set power levels, there were significant signal reductions near the nerve, with no recovery in a 20-minute window, indicating careful management is necessary during procedures to prevent nerve injury.
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  • - The study aimed to evaluate how effective surgical loupes are in preventing complications like recurrent laryngeal nerve (RLN) palsy and hypocalcemia after thyroid surgery.
  • - A total of 813 patients from six studies were analyzed, showing that using loupes significantly reduced the incidence of temporary RLN palsy by about 41.8%.
  • - Although trends suggested lower rates of permanent RLN palsy and hypocalcemia with loupes, these results were not statistically significant, indicating potential benefits that need further research.
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Background: Hypocalcemia is the most common postoperative complication of total thyroidectomy. Near-infrared autofluorescence (NIRAF) technology is a surgical adjunct that has been increasingly utilized with the aim of preventing postoperative hypocalcemia, but its clinical benefits have not yet been firmly established. The aim of this study was to assess the clinical benefit of utilizing NIRAF technology in patients undergoing total thyroidectomy.

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Background: The aim of this study is to describe the management and associated follow-up strategies adopted by thyroid surgeons with different surgical volumes when loss of signal (LOS) occurred on the first side of planned bilateral thyroid surgery, and to further define the consensus on intraoperative neuromonitoring (IONM) applications.

Methods: The International Neural Monitoring Study Group (INMSG) web-based survey was sent to 950 thyroid surgeons worldwide. The survey included information on the participants, IONM team/equipment/procedure, intraoperative/postoperative management of LOS, and management of LOS on the first side of thyroidectomy for benign and malignant disease.

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Objective: Radiofrequency ablation (RFA) uses the heat generated by a high-frequency alternating electric current, and according to Ohm's and Joule's law, the delivered current is inversely proportional to the circuit impedance. The primary objective of this study was to investigate whether tissue impedance during radiofrequency ablation (RFA) for benign thyroid nodules is related to the degree of volume reduction.

Methods: This observational study included consecutive patients treated with RFA for benign thyroid nodules from February 2020 to August 2023.

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Background: Individuals with high social interaction anxiety (SIA) and depression often behave submissively in social settings. Few studies have simultaneously examined the associations between objectively assessed submissive behaviors and SIA or depression, despite their high comorbidity and unknown mechanisms regarding submissiveness.

Methods: A sample of 45 young adults self-reported trait SIA and depression, state positive/negative affect (PA/NA) before and after a virtual social interaction.

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Significance: Near-infrared autofluorescence (NIRAF) utilizes the natural autofluorescence of parathyroid glands (PGs) to improve their identification during thyroid surgeries, reducing the risk of inadvertent removal and subsequent complications such as hypoparathyroidism. This study evaluates NIRAF's effectiveness in real-world surgical settings, highlighting its potential to enhance surgical outcomes and patient safety.

Aim: We evaluate the effectiveness of NIRAF in detecting PGs during thyroidectomy and central neck dissection and investigate autofluorescence characteristics in both fresh and paraffin-embedded tissues.

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Article Synopsis
  • The study focuses on diagnosing thyroid cancer using tissue examination and molecular data, highlighting the specific genetic mutations associated with different types of thyroid malignancies, particularly papillary thyroid carcinoma.
  • Researchers conducted a retrospective review of over 5,000 thyroid malignancies and identified 17 tumors with significant genetic alterations, with a special emphasis on the role of a specific gene family in cancer development.
  • The findings suggest the existence of primary genetic drivers and secondary mutations in thyroid cancers, which could contribute to tumor progression and treatment resistance, paving the way for potential targeted therapies.
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Detecting voice disorders from voice recordings could allow for frequent, remote, and low-cost screening before costly clinical visits and a more invasive laryngoscopy examination. Our goals were to detect unilateral vocal fold paralysis (UVFP) from voice recordings using machine learning, to identify which acoustic variables were important for prediction to increase trust, and to determine model performance relative to clinician performance. Patients with confirmed UVFP through endoscopic examination (N = 77) and controls with normal voices matched for age and sex (N = 77) were included.

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Introperative nerve monitoring (IONM) of the recurrent laryngeal nerve (RLN) is a well-established technique to aid in thyroid/parathyroid surgery. However, there is little evidence to support its use in non-thyroid or non-parathyroid surgery. The aim of this paper was to review the current evidence regarding the use of IONM in non-thyroid/non-parathyroid surgery in the head and neck and thorax.

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Vedolizumab (VDZ) is a first-line treatment in ulcerative colitis (UC) that targets the α4β7- mucosal vascular addressin cell adhesion molecule 1 (MAdCAM-1) axis. To determine the mechanisms of action of VDZ, we examined five distinct cohorts of patients with UC. A decrease in naïve B and T cells in the intestines and gut-homing (β7) plasmablasts in circulation of VDZ-treated patients suggested that VDZ targets gut-associated lymphoid tissue (GALT).

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Objective: Patient preferences regarding thyroid nodules are poorly understood. Our objective is to (1) employ a discrete choice experiment (DCE) to explore risk tradeoffs in thyroid nodule management, and (2) segment respondents into preference phenotypes.

Study Design: DCE.

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Background: Experience with targeted neoadjuvant treatment for locoregionally advanced thyroid cancer is nascent.

Methods: Multicenter retrospective case series examining targeted neoadjuvant treatment for locoregionally advanced thyroid cancer. The primary outcome was change in surgical morbidity as measured by two metrics developed for use in clinical trials to characterize surgical complexity and morbidity.

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Background: Iatrogenic injury of the parathyroid glands is the most frequent complication after total thyroidectomy.

Objective: To determine the effectiveness of near-infrared autofluorescence (NIRAF) in reducing postoperative hypocalcemia following total thyroidectomy.

Methods: PubMed, Scopus, and Google Scholar databases were searched.

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Introduction: Medullary thyroid carcinoma (MTC) is a rare neuroendocrine tumor from parafollicular cells that produce calcitonin (Ct). Despite several existing guidelines for the surgical management of sporadic MTC (sMTC), optimal initial surgical management of the thyroid, the central and the lateral neck remains a matter of debate.

Methods: A systematic review in PubMed and Scopus for current guidelines addressing the surgical management of sMTC and its referenced citations was conducted as per the PRISMA guidelines.

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B lymphocytes may facilitate chronic inflammation through antibody production or secretion of cytokines, including lymphotoxin (LT)-ab associated with development of lymphoid tissue. Tertiary lymphoid structures (TLS) characterize human and murine ileitis by suppressing outflow from the ileum. Here, we show that B cell-derived secretory IgA protected against ileal inflammation, whereas B cell-derived LTa guarded against ileitis-associated loss of body mass.

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