Publications by authors named "C McFie"

2 Publications

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Sensory wellbeing workshops for inpatient and day-care patients with anorexia nervosa.

Neuropsychiatr 2021 Jun 15. Epub 2021 Jun 15.

Eating Disorders National Service, South London and Maudsley NHS Foundation Trust, London, UK.

Background: The wellbeing of patients with eating disorders is one of the priorities in the "bigger picture" of treatment for eating disorders. Sensory soothing strategies for sensory sensitivities are supportive tools which could be useful in day-care and inpatient clinical programmes.

Methods: Evaluation of multiple separate sensory wellbeing workshops consisting of psychoeducation and experiential components delivered in inpatient and intensive day-care services was performed. Participants' self-report questionnaires were evaluated pre- and post-workshop. Additionally, patients' comments and qualitative feedback was collected after completion of the workshop.

Results: There was strong evidence that self-reported awareness of sensory wellbeing, awareness of strategies to enhance sensory wellbeing, and confidence in managing sensory wellbeing increased after the workshops with positive qualitative feedback from participants. The feedback questionnaires highlighted that patients found the sessions useful and were able to use some of the skills and strategies they learned in the workshop.

Conclusion: This pilot work on sensory wellbeing workshops with a protocol-based format was feasible and beneficial for the patient group. Preliminary evidence suggests that delivery of similar workshops could be sensible in addition to treatment as usual in inpatient and day-care programmes.
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June 2021

Modulation of cochlear blood flow by extracellular purines.

Hear Res 1999 Jan;127(1-2):55-61

Department of Physiology, School of Medicine, University of Auckland, New Zealand.

Humoral adenosine 5'-triphosphate (ATP), adenosine and uridine 5'-triphosphate (UTP) have been shown to have a role in controlling local blood flow in a variety of tissues. The presence of P1 and P2 receptors in the cochlea, and particularly the highly vascular region, the stria vascularis, implies a vasoactive role for these compounds in the inner ear. To test the effect of extracellular purines and pyrimidines on cochlear blood flow, cochleae from anaesthetised guinea-pigs were perfused with ATP (1 microM-10 mM), adenosine (1 microM-10 mM) and UTP (1 mM) in artificial perilymph while blood flow through the cochlea was measured. An acute perilymphatic perfusion technique was established via tubing placed through a hole in the bone overlying scala tympani of the first cochlear turn, with an outlet hole in scala vestibuli of the fourth turn. Blood flow was measured by placing the probe of a laser Doppler blood perfusion monitor on the bone overlying the stria vascularis in the third cochlear turn. ATP and adenosine produced a significant dose dependent increase in cochlear blood flow (28.8-229.0% and 35.8-258.1%, respectively). The effect of ATP (100 microM) on cochlear blood flow was reduced in the presence of reactive blue 2 (1 mM) and pyridoxalphosphate-6-azophenyl-2',4'-disulphonic acid (1 mM). The blood flow response to adenosine (10 microM) was reduced in the presence of 1,3-dimethylxanthine (theophylline, 100 microM), but not with either 3,7-dimethyl-1-propargylxanthine (10 microM) or 8-cyclopentyl-1,3-dipropylxanthine (10 microM). UTP did not produce any change in the cochlear blood flow. To determine if the ATP effect was also mediated by adenosine derived from ectonucleotidase activity, the perilymphatic compartment was perfused with either ATP plus theophylline (100 microM) or with the non-metabolisable form of ATP, adenosine 5'-O-(3-thiophosphate) (ATPgammaS, 100 microM). The effect of ATP on cochlear blood flow was unaffected with the inclusion of theophylline while ATPgammaS produced an increase in cochlear blood flow similar to the one observed with ATP. These findings indicate that extracellular ATP and its metabolite adenosine have a modulatory role in cochlear blood flow possibly mediated by both P1 and P2 receptors.
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January 1999