User profiles for Karin Gardner Johnson

Karin Johnson

Professor of Neurology, UMass Chan School of Medicine Baystate
Verified email at baystatehealth.org
Cited by 1240

Treatment of sleep-disordered breathing with positive airway pressure devices: technology update

KG Johnson, DC Johnson - Medical Devices: Evidence and …, 2015 - Taylor & Francis
Many types of positive airway pressure (PAP) devices are used to treat sleep-disordered
breathing including obstructive sleep apnea, central sleep apnea, and sleep-related …

Cardiovascular and somatic comorbidities and sleep measures using three hypopnea criteria in mild obstructive sleep-disordered breathing: sex, age, and body mass …

KG Johnson, DC Johnson, RJ Thomas… - Journal of Clinical …, 2020 - jcsm.aasm.org
Study Objectives: To describe sex, age, and body mass index (BMI) differences in comorbidities
and polysomnography measures, categorized using 3 different apnea-hypopnea index (…

Flow limitation/obstruction with recovery breath (FLOW) event for improved scoring of mild obstructive sleep apnea without electroencephalography

KG Johnson, DC Johnson, RJ Thomas, E Feldmann… - Sleep medicine, 2020 - Elsevier
Objective Apnea/hypopnea index (AHI), especially without arousal criteria, does not
adequately risk stratify patients with mild obstructive sleep apnea (OSA). We describe and test …

Obstructive sleep apnea and prolonged mechanical ventilation

DC Johnson, KG Johnson - Respiratory care, 2012 - rc.rcjournal.com
Patients with prolonged mechanical ventilation have a high one year mortality, with recognized
contributing factors including COPD, cardiac failure, renal failure, and respiratory muscle …

Fifteen Patients Who Can Be Helped by Medicare: Insurance Policy Changes in the Coverage of CPAP Therapy for Obstructive Sleep Apnea

KG Johnson, M Raphaelson - Neurology: Clinical Practice, 2023 - AAN Enterprises
Insurance coverage policies define the diagnostic criteria and adherence requirements for
patients to qualify for initial and ongoing therapy with continuous positive airway pressure (…

Central Sleep Apnea: Adaptive Servo-Ventilation, Intelligent Volume-Assured Pressure Support, and Hypoventilation

KG Johnson, DC Johnson - Chest, 2022 - journal.chestnet.org
To the Editor: Treatment-emergent central sleep apnea (TEC) is the development or persistence
of central sleep apneas during positive airway pressure (PAP) therapy in subjects with …

[CITATION][C] When will it be time? Evaluation of OSA in stroke and TIA patients.

KG Johnson, DC Johnson - Sleep Medicine, 2018 - europepmc.org
Johnson KG 1 , Johnson DC 2 …

[HTML][HTML] Signal Transduction Pathways Regulated by Mitogen-activated/Extracellular Response Kinase Kinase Kinase Induce Cell Death (∗)

NL Johnson, AM Gardner, KM Diener… - Journal of Biological …, 1996 - ASBMB
Mitogen-activated/extracellular response kinase kinase (MEK) kinase (MEKK) is a serine-threonine
kinase that regulates sequential protein phosphorylation pathways, leading to the …

[HTML][HTML] Fibroblast growth factor-2 suppression of tumor necrosis factor α-mediated apoptosis requires Ras and the activation of mitogen-activated protein kinase

AM Gardner, GL Johnson - Journal of Biological Chemistry, 1996 - ASBMB
Treatment of L929 cells with tumor necrosis factor α (TNFα) activates a programmed cell
death pathway resulting in apoptosis. We investigated the intracellular signaling pathways …

Locoregional infusion of HER2-specific CAR T cells in children and young adults with recurrent or refractory CNS tumors: an interim analysis

NA Vitanza, AJ Johnson, AL Wilson, C Brown… - Nature medicine, 2021 - nature.com
Locoregional delivery of chimeric antigen receptor (CAR) T cells has resulted in objective
responses in adults with glioblastoma, but the feasibility and tolerability of this approach is yet …