Asthma is a chronic respiratory disorder requiring ongoing medical management. This ecological study investigated the spatial and temporal patterns of notification rates for asthma from clinic visits and hospital discharges and identified demographic, meteorological and environmental factors that drive asthma in Bhutan.

Monthly numbers of asthma notifications from 2016 to 2022 were obtained from the Bhutan Ministry of Health. Climatic variables (rainfall, relative humidity, minimum and maximum temperature) were obtained from the National Centre for Hydrology and Meteorology, Bhutan. The Normalised Difference Vegetation Index (NDVI) and surface particulate matter (PM2.5) were extracted from open sources. A multivariable zero-inflated Poisson regression (ZIP) model was developed in a Bayesian framework to quantify the relationship between risk of asthma and sociodemographic and environmental correlates, while also identifying the underlying spatial structure of the data.

There were 12 696 asthma notifications, with an annual average prevalence of 244/100 000 population between 2016 and 2022. In ZIP analysis, asthma notifications were 3.4 times (relative risk (RR)=3.39; 95% credible interval (CrI) 3.047 to 3.773) more likely in individuals aged >14 years than those aged ≤14 years, and 43% (RR=1.43; 95% CrI 36.5% to 49.2%) more likely for females than males. Asthma notification increased by 0.8% (RR=1.008, 95% CrI 0.2% to 1.5%) for every 10 cm increase in rainfall, and 1.7% (RR=1.017; 95% CrI 1.2% to 2.3%) for a 1°C increase in maximum temperature. An increase in one unit of NDVI and 10 µg/m³ PM2.5 was associated with 27.3% (RR=1.273; 95% CrI 8.7% to 49.2%), and 2.0% (RR=1.02; 95% CrI 1.0% to 4.0%) increase in asthma notification, respectively. The high-risk spatial clusters were identified in the south and southeastern regions of Bhutan, after accounting for covariates.

Environmental risk factors and spatial clusters of asthma notifications were identified. Identification of spatial clusters and environmental risk factors can help develop targeted interventions that maximise impact of limited public health resources for controlling asthma in Bhutan.

Ovarian cancer remains a significant clinical challenge due to its aggressive nature and high mortality rate. Tumour-infiltrating lymphocytes (TILs) play a critical role in the tumour microenvironment, influencing treatment response and patient survival across various cancer types, including ovarian cancer. A systematic review is warranted to consolidate evidence on TILs as prognostic biomarkers in ovarian cancer, with the goals of integrating them into clinical practice to enhance patient outcomes. This study aims to assess the prognostic significance of TILs in ovarian cancer.

A comprehensive literature search will be conducted across multiple databases, including PubMed, Embase, Web of Science, Scopus, Cochrane Library, CINAHL, ScienceDirect and LILACS. No restrictions regarding publication date or language will be applied. Original studies evaluating the role of TILs in women with ovarian cancer will be considered for inclusion. Two independent authors will screen titles and abstracts, and any discrepancies will be resolved through discussion with a third author. The risk of bias in included studies will be assessed using the Quality in Prognosis Studies (QUIPS) tool. Data synthesis will be performed using R software (V.4.3.1).

This study reviews the published data; thus, obtaining ethical approval is unnecessary. The findings of this systematic review will be published in a peer-reviewed journal.

CRD42024543955.

Paediatric hospitalisation, encompassing the period from admission to discharge, often involves feelings of pain, fear and anxiety, primarily due to clinical diagnoses and, more significantly, discomfort and stress-inducing procedures. Numerous methodologies and interventions have been investigated and implemented to alleviate these phenomena during paediatric hospitalisation. Virtual reality (VR), for example, has demonstrated efficacy in pain relief for hospitalised children in recent studies. This systematic review, therefore, aims to identify and evaluate the effectiveness of VR in alleviating pain, fear and anxiety in hospitalised children undergoing painful procedures.

This systematic review and meta-analysis will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Protocols guidelines. A systematic search will be conducted in March and April 2025 across the following databases, with no restrictions on language or publication year: PubMed, Embase, Scopus, Web of Science, Cumulated Index in Nursing and Allied Health Literature, ClinicalTrials.gov and the Cochrane Central Register of Controlled Trials. Eligible studies will include randomised and quasi-randomised clinical trials involving children (aged 2–10 years) and adolescents (aged 10–18 years) who received VR interventions during painful procedures. Data will be managed and analysed using Review Manager software (RevMan 5.2.3). In cases of significant heterogeneity (I² > 50%), a random-effects model will be employed to combine studies and calculate the OR with a 95% CI. The methodological quality of the included studies will be assessed using the Cochrane Risk of Bias 2.0 tool, and the certainty of the evidence will be evaluated using the Grading of Recommendations, Assessment, Development and Evaluations framework.

This study will solely review published data; thus, ethical approval is not required. This systematic review is expected to provide subsidies, evidence and insights into the use of VR. It is also anticipated that the results will directly impact the improvement of care for these patients and the qualification of professional care.

CRD42024568297.