Nicholas Arnold

ORCID: 0000-0003-3726-6577
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About
Contact & Profiles
Research Areas
  • Sports injuries and prevention
  • Respiratory Support and Mechanisms
  • Adipose Tissue and Metabolism
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Ultrasound in Clinical Applications
  • Pancreatic function and diabetes
  • Metabolism, Diabetes, and Cancer
  • Knee injuries and reconstruction techniques
  • Experimental Learning in Engineering
  • Various Chemistry Research Topics
  • Family and Patient Care in Intensive Care Units
  • Drug-Induced Hepatotoxicity and Protection
  • Fibroblast Growth Factor Research
  • Cardiovascular Disease and Adiposity
  • Electrowetting and Microfluidic Technologies
  • Foot and Ankle Surgery
  • Pneumothorax, Barotrauma, Emphysema
  • Sarcoidosis and Beryllium Toxicity Research
  • Respiratory and Cough-Related Research
  • COVID-19 and healthcare impacts
  • Radiology practices and education
  • Airway Management and Intubation Techniques
  • GDF15 and Related Biomarkers
  • Orthopedic Infections and Treatments

META Group
2025

Analysis Group (United States)
2025

Western New Mexico University
2023

University of Iowa Hospitals and Clinics
2019-2022

University of Iowa
2019-2021

University of Missouri
2013-2016

Harry S. Truman Memorial Veterans' Hospital
2013-2016

Jian Luo Ivan Petrovitch Pavlov Elsa Tavernier Yonatan Perez Aileen Kharat and 95 more Bairbre McNicholas Oriol Roca David Vines Miguel Ibarra‐Estrada Waleed Alhazzani Kim Lewis Steven Q. Simpson Garrett Rampon Ling Liu Qin Sun Haibo Qiu Yi Yang Giuseppe Lapadula Edward T. Qian Cheryl L. Gatto Todd W. Rice Ken Kuljit S. Parhar Jason Weatherald Allan J. Walkey Nicholas A. Bosch Mai-Anh Nay Thierry Boulain Guillaume Fossat Tim R.E. Harris Louise Thwaites Nguyen Thanh Phong Paolo Bonfanti Sajad Yarahmadi Seyed Mohammadreza Hashemian Devachandran Jayakumar Stephanie Parks Taylor Stacy A. Johnson Claude Guérin John G. Laffey Stéphan Ehrmann Jie Li Sheryl Ann Abdukahil Dan Adler Ritwick Agrawal Guadalupe Aguirre-Ávalos Ali Ait Hssain Zainab Al Duhailib Abdulrahman Al‐Fares Fahad Al-Hameed Nijat Aliyev Mohammed Alshahrani Olga Amusina James Anibal Laura Antolini Yaseen M. Arabi Nicholas Arnold Luu Hoai Bao Tran Abigail Beane Shashi Bellam Emilie P. Belley‐Côté Gordon R. Bernard Zain A. Bhutta Ho Bich Hai Adrien Bigot Frederic T. Billings Luca Bisi Nicolas Bizien Jonathan Boltax Sarah Buabbas Reagan Buie Henry Bundy Jessica G. Burke Cao Thi Cam Van Chloé Cantero Amy Hajari Case Robert Centofanti Jamal Chalabi Jefferson Chambers Wei Chang Yali Chao Tao Chen Tayebeh Cheraghian Sujith V. Cherian Jérémy Clément David A. Clifton Léa Colombain Paola Columpsi Deborah J. Cook Grégory Corvaisier David Cosgrave Sarah Culgin Ashwin D’Silva Mary Lynn Dear Jean Dellamonica Gheorghe Doros Sylvie Druelle Erick Duan Nguyễn Thị Phương Dung Nguyen Thanh Dung Elise Dupuis‐Lozeron

Importance The impact of awake prone positioning (APP) on clinical outcomes in patients with COVID-19 and acute hypoxemic respiratory failure (AHRF) remains uncertain. Objective To assess the association APP improved among AHRF, to identify potential effect modifiers. Data Sources PubMed, Embase, Cochrane Library, ClinicalTrials.gov were searched through August 1, 2024. Study Selection Randomized trials (RCTs) examining adults AHRF that reported intubation rate or mortality included....

10.1001/jamainternmed.2025.0011 article EN JAMA Internal Medicine 2025-03-10

Diabetes mellitus (DM) is an independent risk factor for heart disease and its underlying mechanisms are unclear. Increased expression of diabetic marker miR-29 family miRNAs (miR-29a, b c) that suppress the pro-survival protein Myeloid Cell Leukemia 1(MCL-1) reported in pancreatic β-cells Type 1 DM. Whether up-regulation suppression MCL-1 (dysregulation miR-29-MCL-1 axis) occurs not known. This study tested hypothesis insulin regulates cardiac axis dysregulation correlates with DM...

10.1371/journal.pone.0103284 article EN cc-by PLoS ONE 2014-07-25

Spirometry results can yield a diagnosis of normal air flow, flow obstruction, or preserved ratio impaired spirometry (PRISm), defined as reduced FEV1 FVC in the setting FEV1/FVC. Previous studies have estimated prevalence PRISm to be 7-12%. Our objective was examine database and identify factors associated with PRISm.We performed retrospective analysis 21,870 spirometries; 1,616 were excluded because missing data extremes age, height, weight. We calculated prebronchodilator...

10.4187/respcare.07712 article EN Respiratory Care 2020-09-01

Thresholds for operative eligibility based on body mass index (BMI) alone may restrict patient access to the benefits of arthroplasty. The purpose this study was evaluate relationship between BMI and improvements in patient-reported outcome measures (PROMs), determine how many patients would have been denied PROMs if cut-offs were be implemented.A prospective cohort 3,449 primary total hip arthroplasties (THAs) performed 2015 2018 analyzed. following one-year evaluated: injury osteoarthritis...

10.1302/0301-620x.102b6.bjj-2019-1644.r1 article EN The Bone & Joint Journal 2020-05-31

Objectives: To identify the time at which point of care ultrasound static image recognition and acquisition skills decay in novice learners. Setting: The University Iowa Hospitals Clinics. Subjects: Twenty-four subjects (23 first-year medical students one physician assistant student). Design: completed an initial didactic hands-on session with immediate testing learned identification skills. Interventions: Retesting occurred 1, 4, 8 weeks after training no retraining between. Image were...

10.1097/ccm.0000000000004002 article EN Critical Care Medicine 2019-09-30

Both circulating adiponectin (APN) and cardiac APN exert cardioprotective effects improve insulin sensitivity mitochondrial function. Low serves as a biomarker for cardiovascular risk. Ablation of receptor 1 (AdipoR1) causes myocardial dysfunction. Although high salt intake is contributor to disease, how it modulates the expression or AdipoR1 in cardiomyocytes not known. We report that mRNA was attenuated dose-dependent manner mouse cardiomyocyte cell line HL-1 exposed concentrations ranging...

10.1139/cjpp-2016-0570 article EN Canadian Journal of Physiology and Pharmacology 2016-11-30

Herein, two simulated electrochemistry experiments, namely, the (i) electrochemical series, using an electronic half-cell module, and (ii) citrus fruit battery series are demonstrated for undergraduate chemistry students. The demonstration can be performed in-person remote students by connecting module to a computer. Remote participate in on Internet interact with instructor other This experiment does not require use of metal ion solutions construction batteries series. Therefore, this is...

10.1021/acs.jchemed.3c00239 article EN Journal of Chemical Education 2023-08-18

<h3>BACKGROUND:</h3> The objective of our study was to identify variables associated with inhaled medication use in smokers normal spirometry (GOLD-0) and examine the association development exacerbations obstructive future. <h3>METHODS:</h3> We performed a retrospective multivariable analysis GOLD-0 subjects identified data from COPDGene factors use. Five categories were identified: (1) no medications, (2) short-acting bronchodilator, (3) long-acting bronchodilator; muscarinic antagonists...

10.4187/respcare.08016 article EN Respiratory Care 2021-02-09

Diabetic marker miRNA‐29 (miR‐29) is up‐regulated by pro‐inflammatory cytokines and hyperglycemia. miR‐29 induced suppression of MCL‐1, a protein essential for mitochondrial function cell survival, occurs in pancreatic β‐cell death. We hypothesized that conditions increase levels heart would promote MCL‐1 cardiomyocyte Since Rapamycin (Rap) known to diabetes, we further posited Rap treatment (750 µg/kg/day; 6 weeks) suppress tissues Zucker Fatty (ZDF) rat, rodent model the progression Type 2...

10.1096/fasebj.28.1_supplement.1086.6 article EN The FASEB Journal 2014-04-01

Diabetes Mellitus (DM) is an important risk factor for cardiovascular disease (CVD) and young, diabetic women are more susceptible to CVD compared age-matched men non-diabetic women. It unclear how the progression of DM differentially affects cardiac pathology in males females. In this context, recent studies have shown that myeloid cell leukemia 1 (MCL-1) plays role protection cardiac-specific ablation Mcl-1 causes fatal dilated cardiomyopathy. We hypothesized there a gender difference...

10.1161/hyp.64.suppl_1.629 article EN Hypertension 2014-09-01

Objectives: Athletes commonly wear fitted silicone ankle sleeves (SAS) and lace-up braces (LAB). There is limited data about their effect on neuromuscular control or athletic performance. Our goal to evaluate efficacy in a young, active population during tasks using motion analysis. Methods: Ten subjects (5 males, 5 females) without prior musculoskeletal injury were recruited. They asked perform the Drop Vertical Jump test (DVJ), 45 degree bound, cutting maneuvers under three conditions: No...

10.1177/2325967115s00042 article EN cc-by-nc-nd Orthopaedic Journal of Sports Medicine 2015-07-01

Angiotensin II (Ang II) receptor AT2R is a member of the vasodilative/anti‐inflammatory branch renin‐angiotensin system (RAS). However, mechanisms underlying regulation expression in cardiomyocytes are not understood. To determine how vasodilative insulin (INS) and anti‐inflammatory drug rapamycin (Rap) modulate expression, we performed radioligand binding experiments with 125 I‐CGP42112A, an AT2 specific ligand, on mouse atrial cardiomyocyte HL‐1 cells. INS (100nM, 12h) increased functional...

10.1096/fasebj.27.1_supplement.835.13 article EN The FASEB Journal 2013-04-01
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