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"Ho, Ka Yan"
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A Descriptive and Phenomenological Exploration of the Spiritual Needs of Chinese Children Hospitalized with Cancer
2022
Spiritual well-being is the fourth dimension of health, as equally important as physical, mental, and social well-being. The shadow of death associated with cancer triggers children to explore their personal values, meanings, and life goals throughout the illness trajectory, enabling them to identify their unique spiritual needs. Chinese children are generally non-religious, unlike Western children, which affects their spiritual needs. To address the literature gaps, we applied a qualitative, descriptive, phenomenological approach for exploring the spiritual needs of Chinese children hospitalized with cancer. Purposive sampling was conducted in two public hospitals with special wards for pediatric oncology patients in Hunan Province, China. Consequently, 22 children, hospitalized with cancer, were recruited and individually interviewed using a semi-structured interview format. We conducted a thematic analysis of the interview transcripts. Four important themes were identified: the need for self-exploration, inner needs, need for a connection with others, and need for a connection with gods, supernatural powers, and fictional characters. We found that culture significantly influenced the spiritual needs of Chinese children with cancer. Hope was a key factor motivating the children to continue cancer treatment. To address their unique spiritual needs, culturally specific interventions should be developed and incorporated into their care to enhance their spiritual well-being.
Journal Article
Psychometric evaluation of the Chinese version of the Herth Hope Index (HHI) in Chinese children with cancer
by
Lam, Katherine-Ka-Wai
,
Cheng, Huilin
,
Yuen, John Wai-Man
in
692/700/1719
,
692/700/784
,
Cancer
2023
Hope plays an extremely important role in protecting childhood cancer patients from psychological distress caused by cancer. The availability of a valid and reliable instrument that can accurately assess hope is crucial for the development of interventions to enhance hope among childhood cancer patients. This study aimed to examine the psychometric properties of the Chinese version of the Herth Hope Index (HHI). Chinese childhood cancer patients aged 8–17 years (n = 412) were invited to participate in this cross-sectional study. Participants completed the Chinese translated version of the HHI, the Center for Epidemiology Studies Depression Scale for Children and the Paediatric Quality of Life Inventory 3.0 Cancer Module. Exploratory factor analysis and confirmatory factor analysis were conducted to assess the structural validity of the HHI. Content validity, convergent validity, internal consistency, and test–retest reliability at 2 weeks were also examined. The content validity index for items ranged from 0.8 to 1.0, and that for the scale was 0.9, demonstrating appropriate content validity. There was a positive correlation between HHI and Center for Epidemiology Studies Depression Scale for Children scores and a negative correlation between HHI and Paediatric Quality of Life Inventory 3.0 Cancer Module scores. The results indicated that the Chinese version of the HHI showed reasonable convergent validity and discriminant validity. Exploratory factor analysis yielded a three-factor model, which could explain 82.74% of the total variance. The confirmatory factor analysis results showed that χ
2
/df was 2.20, comparative fit index was 0.98, goodness of fit index was 0.94, and root-mean-square error of approximation was 0.07. Cronbach’s alpha was 0.78, indicating good internal consistency. The findings of the study showed that the Chinese version of the HHI (11-item) is a reliable and valid instrument for assessing hope among Chinese childhood cancer patients. Evidence-based interventions can be provided to enhance hope in this population.
Journal Article
Exploring Factors Contributing to the Smoking Behaviour among Hong Kong Chinese Young Smokers during COVID-19 Pandemic: A Qualitative Study
2022
COVID-19 has significant impacts on young smokers in their smoking behaviors. This qualitative study summarises the lived experience of young smokers during COVID-19. Moreover, through their lived experience, we aim to understand how the COVID-19 pandemic influence tobacco use behaviours in this population. A purposive sampling of 48 smokers aged between 17–25 years old is individually interviewed for 30 to 45 min. All interviews are transcribed in verbatim and analysed by two researchers separately using Colaizzi’s method of descriptive phenomenology. The results reveal the following six important themes, which could explain the mixed pattern of smoking behaviour changes in young smokers: (1) perceptions of COVID-19 and its association with smoking, (2) more time at home, (3) taking masks off to smoke, (4) the effects of COVID-19 on smokers’ financial status and academic performance, (5) reduced social gatherings, and (6) restricted access to tobacco products. To conclude, this pandemic and the anti-pandemic measures, i.e., mask mandates, stay-at-home and work-from-home orders, and class suspension, result in both new obstacles and new advantages for smoking cessation among young people. More studies should be performed to monitor any transition of tobacco products and the trajectory of use in this population during this pandemic, thus informing public health policy making.
Journal Article
Exploring Contributing Factors of Solitary Drinking among Hong Kong Chinese Adolescents and Young Adults: A Descriptive Phenomenology
by
Lam, Katherine-Ka-Wai
,
Wu, Cynthia-Sau-Ting
,
Ho, Ka-Yan
in
Addictive behaviors
,
Age groups
,
Alcohol use
2022
Adolescents and young adults mostly drink alcohol because of social activities. However, some drink outside of normative social contexts, exhibiting a behaviour pattern known as solitary drinking. Increasing evidence indicates that solitary drinking is strongly associated with problematic drinking in adolescents and young adults. However, it remains unclear why individuals initiate and maintain this drinking habit. To address this gap in the existing literature, the current study explored the factors contributing to solitary drinking in this population. Descriptive phenomenology was used. A convenience sample of 44 solitary drinkers aged between 10 and 24 were invited to undergo individual semi-structured interviews. All interviews were audio-recorded and transcribed verbatim. The data were analysed by two researchers separately using Colaizzi’s method. Using qualitative descriptions, the following factors were identified as explaining the initiation and continuation of solitary drinking among adolescents and young adults: (1) enhancement and coping drinking motives, (2) social discomfort, (3) reduced self-control, (4) automatic mental process, and (5) a desperate response to stressors. Since reduced self-control plays an important role in long-term addiction, future studies should be conducted to determine potential applications of mindfulness-based interventions to improve self-control, which may prevent the progression from solitary drinking to alcohol use disorder.
Journal Article
Examining Consumers’ Adoption of Wearable Healthcare Technology: The Role of Health Attributes
2019
With the advancement of information technology, wearable healthcare technology has emerged as one of the promising technologies to improve the wellbeing of individuals. However, the adoption of wearable healthcare technology has lagged when compared to other well-established durable technology products, such as smartphones and tablets, because of the inadequate knowledge of the antecedents of adoption intention. The aim of this paper is to address an identified gap in the literature by empirically testing a theoretical model for examining the impact of consumers’ health beliefs, health information accuracy, and the privacy protection of wearable healthcare technology on perceived usefulness. Importantly, this study also examines the influences of perceived usefulness, consumer innovativeness, and reference group influence on the adoption intention of wearable healthcare technology. The model seeks to enhance understanding of the influential factors in adopting wearable healthcare technology. Finally, suggestions for future research for the empirical investigation of the model are provided.
Journal Article
HM30181A, a potent P-glycoprotein inhibitor, potentiates the absorption and in vivo antitumor efficacy of paclitaxel in an orthotopic brain tumor model
by
Yiu Nam Lau, Johnson
,
Zeng, Wu
,
Ka Yan Ho, Rebecca
in
Antitumor activity
,
Bioavailability
,
Blood-brain barrier
2020
Delivery of chemotherapeutic drugs to the brain has remained a major obstacle in the treatment of glioma, owing to the presence of the blood-brain barrier and the activity of P-gp, which pumps its substrate back into the systemic circulation. The aim of the present study was to develop an intravenous formulation of HM30181A (HM) to inhibit P-gp in the brain to effectively deliver paclitaxel (PTX) for the treatment of malignant glioma.
Two formulations of solubilized HM were designed on the basis of different solid dispersion strategies: i) spray-drying [polyvinlypyrrolidone (PVP)-HM] and ii) solvent evaporation [HP-β-cyclodextrin (cyclodextrin)-HM]. The P-gp inhibition of these 2 formulations was assessed on the basis of rhodamine 123 uptake in cancer cells. Blood and brain pharmacokinetic parameters were also determined, and the antitumor effect of cyclodextrin-HM with PTX was evaluated in an orthotopic glioma xenograft mouse model.
Although both PVP-HM and cyclodextrin-HM formulations showed promising P-gp inhibition activity
, cyclodextrin-HM had a higher maximum tolerated dose in mice than did PVP-HM. Pharmacokinetic study of cyclodextrin-HM revealed a plasma concentration plateau at 20 mg/kg, and the mice began to lose weight at doses above this level. Cyclodextrin-HM (10 mg/kg) administered with PTX at 10 mg/kg showed optimal antitumor activity in a mouse model, according to both tumor volume measurement and survival time (
< 0.05).
In a mouse orthotopic brain tumor model, the intravenous co-administration of cyclodextrin-HM with PTX showed potent antitumor effects and therefore may have potential for glioma therapy in humans.
Journal Article
Play interventions to reduce anxiety and negative emotions in hospitalized children
by
Li, William H. C.
,
Ho, Ka Yan
,
Kwok, Blondi Ming Chau
in
Anxiety
,
Anxiety - diagnosis
,
Anxiety - etiology
2016
Background
Hospitalization is a stressful and threatening experience, which can be emotionally devastating to children. Hospital play interventions have been widely used to prepare children for invasive medical procedures and hospitalization. Nevertheless, there is an imperative need for rigorous empirical scrutiny of the effectiveness of hospital play interventions, in particular, using play activities to ease the psychological burden of hospitalized children. This study tested the effectiveness of play interventions to reduce anxiety and negative emotions in hospitalized children.
Methods
A non-equivalent control group pre-test and post-test, between subjects design was conducted in the two largest acute-care public hospitals in Hong Kong. A total of 304 Chinese children (ages 3-12) admitted for treatments in these two hospitals were invited to participate in the study. Of the 304 paediatric patients, 154 received hospital play interventions and 150 received usual care.
Results
Children who received the hospital play interventions exhibited fewer negative emotions and experienced lower levels of anxiety than those children who received usual care.
Conclusion
This study addressed a gap in the literature by providing empirical evidence to support the effectiveness of play interventions in reducing anxiety and negative emotions in hospitalized children. Findings from this study emphasize the significance of incorporating hospital play interventions to provide holistic and quality care to ease the psychological burden of hospitalized children.
Trial registration
ClinicalTrials.gov
NCT02665403
. Registered 22 January 2016.
Journal Article
A Bibliometric Analysis of Healthcare Intervention-Related Studies Reporting Patient and Public Involvement and Engagement
2025
Background/Objectives: Patient and public involvement and engagement (PPIE) has gained global recognition as an innovative healthcare research practice. PPIE engages end-users throughout the research process, improving intervention effectiveness, resource efficiency, and user satisfaction. Despite its increasing inclusion in studies, comprehensive bibliometric reviews of healthcare intervention-related studies reporting PPIE are scarce. This study aims to conduct a bibliometric analysis of healthcare intervention-related studies reporting PPIE in recent decades to identify key worldwide bibliometric features, themes, and trends. Methods: The analysis includes 10,624 relevant English articles published in the Web of Science (WoS) Core Collection up to 26 November 2024. Search terms were selected based on PPIE conceptualization, interventional types, and related healthcare terms. Using WoS descriptive analysis and CiteSpace, we examined bibliometric features and identified major international themes and trends. Results: There has been a significant increase in the number of healthcare intervention-related studies reporting PPIE over the past five years, especially from the United States and the United Kingdom, with a recent rise in Asia. However, cross-national collaboration remains limited. Key research themes identified include “community participation”, “health equity”, “coronary heart disease”, “web-based patient empowerment”, “mental illness”, and “obesity prevention”, with growing interest in “mobile health” and “digital health”. Conclusions: This study provides a comprehensive and up-to-date overview of the bibliometric characteristics and evolving trends in healthcare intervention-related studies reporting PPIE. It highlights global regions with limited PPIE implementation, suggests pathways for further development, and identifies key research themes. The study offers researchers and practitioners valuable insights into tracking PPIE trends in healthcare interventions and fostering collaborations on evidence-based PPIE studies with leading scholars and institutions worldwide. Additionally, the findings drive innovations aimed at improving patient and public healthcare outcomes.
Journal Article
Training secondary school students as anti-smoke ambassadors using the service-learning model: A cluster randomized controlled trial with hybrid type 1 effectiveness-implementation design study protocol
2024
Evidence shows that using the AWARD (Ask, Warn, Advise, Refer, Do-it-again) model with service-learning model in youngsters may be an appropriate strategy to refer young smokers for early smoking cessation services. Therefore this study aims to promote smoking cessation by training secondary school students as anti-smoke ambassadors (ASAs) with increased knowledge, skills and self-efficacy on smoking cessation and AWARD model using service-learning model.
A cluster randomized controlled trial will be conducted in 14 secondary schools in Hong Kong. Also, a hybrid type 1 effectiveness-implementation design with the Reach Effectiveness Adoption Implementation Maintenance (RE-AIM) framework will be adopted. For the intervention group, participants (n = 184) will attend a 3-hour training workshop, followed by hands-on sessions supervised by trained nursing students, then a 6-month smoker referral competition and an award presentation ceremony. The control group (n = 184) will only attend the 3-hour training workshop. The research assistant will contact participants at the start and the end of training program, and at 3, 6, and 12 months after the end of the training program by telephone to complete a set of questionnaires. Participating secondary schools, participating nursing students, ASAs, and responsible organizational staff will be randomly invited for a one-to-one semi-structured interview. The primary outcome will be the number of smokers who referred by secondary school students. Descriptive statistics, mixed between-within-subjects ANOVA, logistic regressions, and content analysis will be used.
This study will bridge the gap in existing literature by determining the effectiveness and exploring facilitators and barriers in implementing our intervention with the use of the AWARD model and service-learning model in training young people to refer smokers to anti-smoke organizations in the real-world. This can enhance our community capacity and enable youngsters to take a proactive role to support smoking cessation.
ClinicalTrials.gov, NCT05897346. Registered on 11 May 2023.
Journal Article
An integrated smoking cessation and alcohol intervention among Hong Kong Chinese young people: Study protocol for a feasibility randomized controlled trial
2023
Young smokers always partake in both smoking and drinking. However, drinking undermines their likelihood to attempt quitting smoking or to successfully abstain from smoking. Hence, this trial will examine the feasibility of implementing an integrated smoking cessation and alcohol intervention in young Hong Kong Chinese people. Effect sizes of the integrated intervention (II) on self-reported and biochemically validated quit rates will also be calculated.
The study will be a three-arm randomized controlled trial in a convenience sample of 150 smokers aged 18-25 years with alcohol drinking. Participants will be randomized into a standard treatment (ST), II, or control arm. The ST group will receive a brief smoking cessation intervention based on the 5A (Ask, Assess, Advice, Assist, Arrange) and 5R (Relevance, Risks, Rewards, Roadblocks, Repetition) models. The II group will receive brief advice on alcohol use based on the FRAMES (Feedback, Responsibility, Advice, Menu, Empathy, Efficacy) model in addition to the brief smoking cessation intervention. Both the ST and II groups will receive booster interventions at 1-week, 1-month, 3-month, and 6-month follow-up. The control group will receive leaflets on smoking cessation and alcohol reduction. Self-reported quitters at 6-month follow-up will be invited for biochemical validation. The primary outcomes are feasibility measures. The secondary outcomes are effect size of II on self-reported and biochemically validated quit rates at 6 months relative to control and ST. Outcomes will be assessed at baseline and at 1-week, 1-month, 3-month, and 6-month follow-ups.
Descriptive statistics will be used to calculate the feasibility measures. The three arms will be compared using analysis of variance for continuous variables and chi-square test for categorical variables. Effect sizes of II for self-reported and biochemically validated quit rates at 6 months will be determined using the generalized estimating equation model.
Journal Article