J. Michael Ramsahai

ORCID: 0000-0002-5164-9374
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About
Contact & Profiles
Research Areas
  • Asthma and respiratory diseases
  • Respiratory and Cough-Related Research
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Eosinophilic Esophagitis
  • IL-33, ST2, and ILC Pathways
  • Pediatric health and respiratory diseases
  • Delphi Technique in Research
  • Head and Neck Cancer Studies
  • Astro and Planetary Science
  • Respiratory viral infections research
  • Astrophysics and Star Formation Studies
  • Lung Cancer Diagnosis and Treatment
  • Venous Thromboembolism Diagnosis and Management
  • Inhalation and Respiratory Drug Delivery
  • School Health and Nursing Education
  • Salivary Gland Tumors Diagnosis and Treatment
  • Stellar, planetary, and galactic studies

University of Calgary
2018-2025

Hunter Medical Research Institute
2018-2023

Alberta Health Services
2018

John Hunter Hospital
2018

University of Saskatchewan
2013

Canadian Institute for Theoretical Astrophysics
2007

University of Toronto
2007

10.1016/s2213-2600(20)30053-9 article EN The Lancet Respiratory Medicine 2020-03-12

Radial velocity surveys find Jupiter-mass planets with semimajor axes a less than 0.1 AU around ~1% of solar-type stars; counting as large 5 AU, the fraction stars having reaches ~10% (as found by Marcy et al. and Butler al.). An examination distribution shows that there is clear excess orbital periods 3 or 4 days, corresponding to ≈ 0.03 sharp cutoff at shorter (see Fig. 1). It believed form distances from their parent some then migrates in produce short-period objects. We argue significant...

10.1086/521996 article EN The Astrophysical Journal 2007-11-20

10.5694/mja18.00134 article EN The Medical Journal of Australia 2018-07-01

10.1080/24745332.2024.2447489 article EN Canadian Journal of Respiratory Critical Care and Sleep Medicine 2025-02-28

The combination of asthma and chronic obstructive pulmonary disease (COPD) in an individual can present significant challenges to achieving satisfactory outcomes. More recently, the concepts precision medicine treatable traits have arisen as promising tools improve care for this group. In series, we three cases patients with features both COPD addition peripheral blood eosinophilia. novel implementation personalized management based on trait (eosinophilia) resulted benefits. These benefits...

10.1002/rcr2.295 article EN cc-by-nc Respirology Case Reports 2018-01-18

Introduction Biomarkers are used to select biologic therapies for patients with severe asthma, but not regularly adjust therapy, especially oral corticosteroids (OCS). Objective Our goal was test the efficacy of an algorithm guide titration OCS using blood eosinophil count and fraction exhaled nitric oxide (FeNO) levels. Design, participants, interventions setting This proof-of-concept prospective randomised controlled trial assigned adult participants uncontrolled asthma (n=32)...

10.1136/thorax-2021-217865 article EN Thorax 2023-03-22

Abstract Background Severe asthma is a complex heterogeneous disease typically requiring advanced therapies. Underlying the treatment of all asthma, however, consistent recommendation across international guidelines to ensure that adherence therapy adequate. Currently, there no consensus on an objective marker adherence. Methods We performed prospective observational study 17 participants taking oral prednisolone using serum levels as adherence, and sputum eosinophilia control type 2 airway...

10.1186/s12890-020-01263-y article EN cc-by BMC Pulmonary Medicine 2020-08-27

Rationale: Guidelines recommend biomarker testing to phenotype patients with severe asthma (SA), guide treatment. However, levels fluctuate, and individual responses biologics are not fully understood.

10.1080/24745332.2024.2377789 article EN cc-by Canadian Journal of Respiratory Critical Care and Sleep Medicine 2024-08-01

RATIONALE A comprehensive understanding of the burden illness and management strategies for severe asthma (SA), especially by disease control, is lacking in Canada.

10.1080/24745332.2023.2235365 article EN cc-by-nc-nd Canadian Journal of Respiratory Critical Care and Sleep Medicine 2023-07-04

Proper staging of the mediastinum is an essential component lung cancer evaluation. Positron emission tomography-computed tomography (PETCT) and endobronchial ultrasound transbronchial needle aspiration (EBUS-TBNA) are integral part this process. False-positive PETCT results can occur following surgical procedures but has not been demonstrated EBUS-TBNA. We aimed to determine whether false-positive rates increase when EBUS-TBNA performed prior PETCT.A retrospective review was carried out...

10.1183/23120541.00103-2020 article EN cc-by-nc ERJ Open Research 2020-10-01

Abstract Background Severe asthma is a complex heterogeneous disease typically requiring advanced therapies. Underlying the treatment of all asthma, however, consistent recommendation across international guidelines to ensure that adherence therapy adequate. Currently, there no consensus on an objective marker adherence.Methods We performed prospective observational study 17 participants taking oral prednisolone using serum levels as adherence, and sputum eosinophilia control type 2 airway...

10.21203/rs.3.rs-22760/v1 preprint EN cc-by Research Square (Research Square) 2020-05-11

<b>Asthma specialists are interested in adopting biomarkers into clinical practice, but more work needs to be done support resources towards their use and provide clearer direction on this. This concern is not limited European specialists.</b>https://bit.ly/2WWEQXb

10.1183/23120541.00113-2020 article EN cc-by-nc ERJ Open Research 2020-04-01

<b>Introduction:</b> Biomarkers are used to select patients for therapy in severe asthma, but not regularly adjust therapy, especially oral corticosteroids (OCS). Our goal was test the efficacy of an algorithm guide titration OCS adults with asthma using blood eosinophil count and fraction exhaled nitric oxide levels (FeNO). <b>Methods:</b> This proof-of-concept randomized controlled trial assigned participants (n=32) inflammation arm; where dose adjusted based on FeNO, or a best-practice...

10.1183/13993003.congress-2020.2282 article EN 05.01 - Airway pharmacology and treatment 2020-09-07
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