Publications by authors named "D M Keefe"

Background: Precursor-level safety events (PSEs) pose greater patient risk than no-harm events but are not as severe as serious safety events. Despite their potential for harm, the underlying determinants associated with PSEs are poorly understood. This study aimed to use a behavior change framework to understand the underlying determinants of PSEs and whether associated action items aligned with the behavior.

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Background: The cost-effectiveness of different lung cancer screening strategies has been evaluated from an Australian public health system perspective using static models. In addition, the impact of novel therapies, including immunotherapies and targeted therapies, on the cost-effectiveness of lung cancer screening has not yet been evaluated comprehensively. We evaluated the benefits, harms and cost-effectiveness of a targeted national lung screening program in Australia, accounting for the increasing uptake of novel therapies, which informed the lung cancer screening recommendations of the Australian Medical Services Advisory Committee (MSAC).

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Article Synopsis
  • The study investigates how early imaging features related to posterior urethral valves (PUV) in children can predict the progression of chronic kidney disease (CKD) and potential renal failure. !* -
  • Researchers analyzed data from 274 children diagnosed with PUVs to identify factors such as vesicoureteral reflux and nadir creatinine that correlate with CKD progression over an average follow-up of nearly 6 years. !* -
  • Results indicated that the presence of vesicoureteral reflux and a low nadir creatinine level in the first year of life significantly predicted CKD progression, highlighting the usefulness of these early measurements in assessing future renal function. !*
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Background: Crizanlizumab is a novel inhibitor of P-selectin, a key player in multicellular adhesion and inflammatory signaling, that leads to vaso-occlusion in sickle cell disease (SCD).

Objectives: The SOLACE-adults study evaluated the pharmacokinetics, pharmacodynamics (P-selectin inhibition), safety, and efficacy of crizanlizumab, with or without hydroxyurea/hydroxycarbamide, in patients with SCD.

Design: Phase II, single-arm, multicenter study.

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The main experiment concerned time-domain measurements of the acoustical reflection function (RF) of the human ear in adults and children (aged 5 to 8 years) using a probe inserted into the ear canal. This RF was used to calculate the area function of the ear canal versus distance along its centerline. Acoustical reflectance was calculated in the frequency domain from the RF, as was the difference in sound pressure level near the tympanic membrane relative to the probe tip.

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