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ANAESTHESIOLOGY



Anaesthesiology


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Feb 01, 2023


UNSUPERVISED MACHINE-LEARNING ALGORITHMS FOR THE IDENTIFICATION OF CLINICAL
PHENOTYPES IN THE OSTEOARTHRITIS INITIATIVE DATABASE.

David Demanse, Franziska Saxer, Patrick Lustenberger, László B Tankó

OBJECTIVES
Osteoarthritis (OA) is a complex disease comprising diverse underlying
patho-mechanisms. To enable the development of effective therapies, segmentation
of the heterogenous patient population is critical. This study aimed at
identifying such patient clusters
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ERIK P. SULMAN, MD, PHD

1.5 CME


HARNESSING NOVEL SYNERGIES WITH TTFIELDS: EXPERT PANEL

Learn how to improve outcomes in patients with aggressive solid tumors...read
more
article continues here
using two different machine learning algorithms.
METHODS
Using the progression and incident cohorts of the Osteoarthritis Initiative
(OAI) dataset, deep embedded clustering (DEC) and multiple factor analysis with
clustering (MFAC) approaches, including 157 input-variables at baseline, were
employed to differentiate specific patient profiles.
RESULTS
DEC resulted in 5 and MFAC in 3 distinct patient phenotypes. Both identified a
"comorbid" cluster with higher body mass index (BMI), relevant burden of
comorbidity and low levels of physical activity. Both methods also identified a
younger and physically more active cluster and an elderly cluster with
functional limitations, but low disease impact. The additional two clusters
identified with DEC were subgroups of the young/physically active and the
elderly/physically inactive clusters. Overall pain trajectories over 9 years
were stable, only the numeric rating scale (NRS) for pain showed distinct
increase, while physical activity decreased in all clusters. Clusters showed
different (though non-significant) trajectories of joint space changes over the
follow-up period of 8 years.
CONCLUSION
Two different clustering approaches yielded similar patient allocations
primarily separating complex "comorbid" patients from healthier subjects, the
latter divided in young/physically active vs elderly/physically inactive
subjects. The observed association to clinical (pain/physical activity) and
structural progression could be helpful for early trial design as strategy to
enrich for patients who may specifically benefit from disease-modifying
treatments.
Source: Seminars in Arthritis and Rheumatism

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JAY H. SHUBROOK, DO, FAAFP, FACOFP

0.5 CME


HAVE A CLOSER LOOK AT THE AGA’S CLINICAL CARE PATHWAY FOR MANAGING NAFLD AND
NASH

Dr. Jay Shubrook discusses the latest management strategies for patients with
NAFLD/NASH....read more

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THE ONCOLOGIST

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BRAIN METASTASES FROM BILIARY TRACT CANCER: CASE SERIES AND CLINICOGENOMIC
ANALYSIS.

BACKGROUND Limited data from small series have suggested that brain metastases
from biliary tract cancers (BrM-BTC) affect ≤2% of patients with BTC. We sought
to review our experience with patients...read more

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NEFROLOGIA

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TOCILIZUMAB IN THE TREATMENT OF ACTIVE CHRONIC HUMORAL REJECTION RESISTANT TO
STANDARD THERAPY.

INTRODUCTION There is no consensus on the most appropriate treatment for chronic
active antibody-mediated rejection (cAMR). Recent studies suggest that treatment
with tocilizumab (TCZ) may stabilize graft function, decrease the...read more

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NEFROLOGIA

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ANTI-GLOMERULAR BASEMENT MEMBRANE DISEASE IN HLA-IDENTICAL NON-TWIN SIBLINGS.

Anti glomerular basement membrane disease (AGBM) is an autoinmune disorder
characterised by the presence of anti-glomerular basement membrane (Anti-GBM)
antibodies, alveolar hemorrhage, necrotizing glomerulonephritis, and linear
deposition of immunoglobulins through...read more

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JOURNAL OF THE FORMOSAN MEDICAL ASSOCIATION = TAIWAN YI ZHI

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IMMUNOGENICITY AND SAFETY OF THIRD-DOSE MRNA COVID-19 VACCINES IN HEALTHY ADULTS
PREVIOUSLY VACCINATED WITH TWO DOSES OF THE CHADOX1 VACCINE.

BACKGROUND/PURPOSE The efficacy and safety of coronavirus disease 2019
(COVID-19) booster vaccines remain limited. We investigated the immunogenicity
and adverse events of the third dose of mRNA vaccines in healthy...read more

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BRENDON M. STILES, MD

0.75 CME/MOC


INTEGRATING EGFR-TARGETED THERAPY IN PERIOPERATIVE SETTINGS OF NSCLC

Expert insights into optimal testing and perioperative treatment of patients
with EGFR-mutated NSCLC...read more

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RHEUMATOLOGY (OXFORD, ENGLAND)

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COVID-19 VACCINE AFFECTS NEITHER PROTHROMBOTIC ANTIBODY PROFILE NOR THROMBOSIS
IN PRIMARY ANTI-PHOSPHOLIPID SYNDROME: A PROSPECTIVE STUDY.

OBJECTIVE To explore whether inactivated coronavirus disease 2019 vaccine
influences the profile of prothrombotic autoantibodies and induces thrombotic
events in primary APS patients. METHODS We enrolled 39 primary APS
patients...read more

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