Publications by authors named "G Alan Hahn"

Aim: Homecare for neonates has advanced, but combative analysis of contact methods remains unexplored. The aim was to identify predictors of readmission during homecare and to compare home visit, telemedicine or outpatient visit.

Methods: This retrospective study included infants receiving homecare from 1 January 2015 to 31 December 2022.

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  • Plant communities consist of species with varying functional traits and evolutionary backgrounds, leading to the expectation that functional diversity increases with phylogenetic diversity.* -
  • Contrary to this expectation, a study of over 1.7 million vegetation plots showed that functional and phylogenetic diversity are weakly and negatively correlated, suggesting they operate independently.* -
  • Phylogenetic diversity is more pronounced in forests and reflects recent climate, while functional diversity is influenced by both past and recent climate, highlighting the need to assess both types of diversity for ecosystem studies and conservation strategies.*
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  • Alzheimer's disease is a leading form of dementia in older adults, and early detection is crucial for effective intervention since its effects can begin decades before symptoms show.
  • The study utilized advanced machine learning techniques to create models predicting Alzheimer's status and onset age, analyzing a range of biological and medical data from UK Biobank, with significant emphasis on the importance of specific proteins.
  • Notable findings include that GFAP and CXCL17 proteins are strong predictors of Alzheimer's, while genomics and proteomics provided the most valuable information in predicting disease status, although expanding the dataset with "AD-by-proxy" cases didn't enhance prediction accuracy.
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Background: Several studies have advocated the use of ultrasound to diagnose distal forearm fractures in children. However, there is limited data on the diagnostic accuracy of ultrasound for distal forearm fractures when conducted by pediatric surgeons or trainees who manage orthopedic injuries in children. The objective of this study was to determine the diagnostic accuracy of point-of-care ultrasound (POCUS) for pediatric distal forearm fractures when conducted by pediatric surgeons and trainees after minimal training.

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Background: The underlying population of patients selected for each respiratory monoclonal antibody might change as other biologics are approved.

Objective: To evaluate effect modification by calendar time of the effectiveness of each respiratory biologics in asthma.

Methods: The Effectiveness of Respiratory biologics in Asthma (ERA) is a retrospective cohort of severe asthma patients from the Mass General Brigham clinics between January 2013 and September 2023.

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