Publications by authors named "C D Holdsworth"

Objective: To examine the multi-factorial efficacy of day-zero ambulation following primary total hip arthroplasty.

Data Sources: MEDLINE, CINAHL, AMED, EMBASE and APA PsychInfo in accordance with PRISMA guidelines.

Review Methods: Studies were classified for study design and ranked in a hierarchy of evidence.

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Background: Peer support is a promising intervention to mitigate post-ICU disability, however there is a paucity of rigorously designed studies.

Objectives: The objective of this study was to establish feasibility of an in-person, co-designed, peer-support model.

Methods: Prospective, randomised, adaptive, single-centre pilot trial with blinded outcome assessment, conducted at a university-affiliated hospital in Melbourne, Australia.

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Molecularly imprinted polymers (MIPs) for benzylpiperazine (BZP, ), an illicit designer drug, were developed by using both self-assembly and semi-covalent approaches. From an array of potential functional monomers (FMs) and using a combination of pre-synthetic interaction studies (by molecular modelling and NMR analysis) and binding assays, the highest performing self-assembly -MIPs were confirmed to result from methacrylic acid () as FM, ethylene glycol dimethacrylate (EGDMA) or trimethylolpropane trimethacrylate (TRIM) as crosslinkers and chloroform as the porogen and rebinding solvent at template (T): FM ratios of 1:1 and 1:2, giving imprinting factors (IF) 3 to 7. The semi-covalent -MIPs were designed using benzylpiperazine (4-vinylphenyl) carbamate () as the template-monomer adduct in combination with either EDGMA or TRIM.

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Article Synopsis
  • Activin A is a protein linked to muscle loss, and its levels rise during critical illness; this study aimed to examine how these elevated levels relate to muscle strength and physical function in ICU patients.
  • In a study with 36 critically ill participants from two ICUs, higher levels of activin A were found to correlate with poorer performance on a key measure of physical function (the Six-Minute Walk Test) at the time of hospital discharge.
  • The results suggest that increased activin A might indicate functional decline in these patients, highlighting the need for further research into its potential role in treatment and muscle health during severe illness.
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This study demonstrates the feasibility of molecular imprinting using a functional chain transfer agent sans a functional monomer. Ethylene glycol dimethacrylate (EGDMA)-based MIPs were synthesised in the presence of thioglycolic acid (TGA) possessing a carboxylic acid group, capable of interacting with the chosen test template ,-(±)-propranolol (PNL) and a labile S-H bond to facilitate an efficient chain transfer reaction. Quantitative H NMR measurements showed high PNL and TGA incorporation within the MIP, indicating an efficient chain transfer process and a favourable interaction between PNL and TGA.

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