Barriers and facilitators of digital interventions use to reduce loneliness among older adults: a protocol for a qualitative systematic review

Introduction
Digital interventions are considered as a potential solution to loneliness in older adults. However, this type of intervention has had limited acceptance among older adults (aged ≥60 years). To ensure the use of digital interventions in older adults, possible barriers and facilitating factors should be better understood from the user’s perspective. We aim to systematically examine the barriers and facilitators to the implementation of digital interventions designed to reduce loneliness in older adults by identifying, evaluating and synthesising qualitative studies.

Methods and analysis
A comprehensive search of qualitative studies for barriers and facilitators for use of digital interventions will be conducted in the following databases: PubMed, MEDLINE, CINAHL, Embase, Scopus, Cochrane Library and Web of Science. Studies reported in English will be considered for this review. Grey literature will not be included. Two reviewers (HZ and XL) will independently screen the literatures, and any differences will be solved by turning to the third reviewer (JN). The Joanna Briggs Institute (JBI) Qualitative Research Critical Appraisal Checklist will be used by two reviewers to independently assess the validity of the methods used. Relevant data about the populations, context, culture, geographical location, study methods and barriers and facilitators to the implementation of digital interventions will be extracted using the JBI standardised data extraction tool. JBI meta-aggregation methods will be implemented to synthesise the data, which will generate themes and categories based on the data. The final synthesis will establish confidence levels using the JBI ConQual approach.

Ethics and dissemination
The protocol does not require ethical approval. The data are based on published scientific databases. The results will be disseminated through journal articles and scientific conference presentations (if feasible).

PROSPERO registration number
CRD42022328609.

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Dicembre 2022

Colonoscopy Did Not Reduce Cancer Deaths in Trial

Colonoscopy screening reduced the risk of colorectal cancer by 18% in a trial but did not significantly reduce cancer-related deaths during 10 years of follow-up. The results, published in the New England Journal of Medicine, were “both surprising and disappointing” and similar to reductions in colorectal cancer and deaths found in previous randomized trials of sigmoidoscopy, which is considered to be a less effective screening tool than colonoscopy, according to an accompanying editorial.

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Novembre 2022

Can BCG vaccination at first health-facility contact reduce early infant mortality? Study protocol for a cluster-randomised trial (CS-BCG)

Introduction
Increasing evidence suggests that the BCG vaccine has non-specific effects, altering the susceptibility to non-tuberculous infections. Thus, early BCG vaccination may reduce mortality. BCG is recommended at birth but is often delayed. Vaccination opportunities are missed due to multidose vials not being opened for a few children. We will assess the effect of making BCG available at the first health-facility contact on early infant mortality and morbidity in a rural setting in Guinea-Bissau.

Methods and analysis
In a cluster-randomised crossover trial, we randomise 23 health centres to two different treatment groups. In half of the health centres, BCG is provided as per current practice; in the remaining health centres, we make BCG available everyday to allow opening a vial of BCG if there is just one eligible child present. The randomisation of centres will be crossed over after 12 months and enrolment will continue for another 12 months.
We will use logistic regression models with adjustment for village to assess the effect of making BCG available at the first health-facility contact. The main outcome is non-accidental mortality between day 1 and day 42 after birth. We will adjust for sex, health centre, period (before/after crossover) and level of surveillance (level 1 or level 2). Further analyses include assessment of the effect on hospital admission and a cost-effectiveness evaluation.

Ethics and dissemination
If BCG vaccination reduces early infant mortality, missed opportunities and delays of vaccinations expose infants in several low-income countries to unnecessary excess mortality risk. The present trial will provide information on the effect of implementing a feasible intervention, where all children receive BCG at their first health-facility contact. Consent is obtained from all pregnant women registered as part of the trial. The results of the study will be published and communicated to the National Institute of Public Health in Guinea-Bissau.

Trial registration number
NCT04658680; Clinicaltrials.gov.

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Novembre 2022

Lets Talk About Antibiotics: a randomised trial of two interventions to reduce antibiotic misuse

Background
Children with acute respiratory tract infections (ARTIs) receive 11.4 million unnecessary antibiotic prescriptions annually. A noted contributor is inadequate parent–clinician communication, however, efforts to reduce overprescribing have only indirectly targeted communication or been impractical.

Objectives
Compare two feasible (higher vs lower intensity) interventions for enhancing parent–clinician communication on the rate of inappropriate antibiotic prescribing.

Design
Multisite, parallel group, cluster randomised comparative effectiveness trial. Data collected between March 2017 and March 2019.

Setting
Academic and private practice outpatient clinics.

Participants
Clinicians (n=41, 85% of eligible approached) and 1599 parent–child dyads (ages 1–5 years with ARTI symptoms, 71% of eligible approached).

Interventions
All clinicians received 20 min ARTI diagnosis and treatment education. Higher intensity clinicians received an additional 50 min communication skills training. All parents viewed a 90 second antibiotic education video.

Main outcome(s) and measure(s)
Inappropriate antibiotic treatment was assessed via blinded medical record review by study clinicians and a priori defined as prescriptions for the wrong diagnosis or use of the wrong agent. Secondary outcomes were revisits, adverse drug reactions (both assessed 2 weeks after the visit) and parent ratings of provider communication, shared decision-making and visit satisfaction (assessed at end of the visit on Likert-type scales).

Results
Most clinicians completed the study (n=38, 93%), were doctors (n=25, 66%), female (n=30, 78%) and averaged 8 years in practice. All parent–child dyad provided data for the main outcome (n=855 (54%) male, n=1043 (53%)

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Novembre 2022