374 research outputs found

    An analysis of the Lowest Total Fertility Rate in Hong Kong SAR

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    Total Fertility Rate (TFR) in Hong Kong has dropped significantly over the past 30 years, from 2.48 births per woman in 1976 to 0.966 in 2005, which is one of the lowest in the world. It is mainly caused by the change of marital distribution which has contributed to about 56% of the decline in the total fertility rate for the period 1976-2001. Delay of marriage and reduction in the marital fertility rate have also been shown to be two major causes for the low TFR. A new measure, called a weighted total marital fertility rate (WTMFR), is introduced such that change of age at marriage and the fertility within marriage can be factored in explaining the decline of the fertility rate. The delay of marriage has contributed to about 52% of the reduction of WTMFR whereas the reduction of the fertility within marriage has accounted for the other 48%. Apparently, the proportion of women remaining single has been stabilized and leveled off recently. However, the preference of having smaller family size has become a norm rather than an exception. It is very unlikely to see a rebound of fertility among the Hong Kong women in the near future if there is no increase in marriages or births outside wedlock. Encouraging more births among married women so as to increase fertility is expected to have limited impact.Age at first marriage, decomposition, Hong Kong, Total fertility rate, Weighted total marital fertility rate

    Common association of haemolytic uraemic syndrome with invasive Streptococcus pneumoniae infection in five Chinese paediatric patients

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    Haemolytic uraemic syndrome is an important cause of acute renal impairment in childhood. We review the incidence, and clinical and laboratory features of haemolytic uraemic syndrome in a Chinese population. Five patients were identified from 2006 to 2008. All patients were young children with associated invasive Streptococcus pneumoniae pulmonary infection. Serotypes 3, 14, and 19A were confirmed in four patients. The classical post-diarrhoeal form associated with Escherichia coli (O157:H7) infection was not seen. One patient died of acute respiratory failure. Streptococcus pneumoniae infection, as an associated condition in haemolytic uraemic syndrome, is important and relatively common in Chinese patients, especially among children. The acute clinical picture is similar to that reported in the western literature, except for an uncommon association with meningitis. The medium-term renal outcome of the Chinese population appears to be more favourable than the Caucasians. Widespread vaccination against Streptococcus pneumoniae may have resulted in changes in bacterial epidemiology and clinicians should be continuously aware of this severe disease. The use of washed blood components for transfusion in the acute stage requires further study.published_or_final_versio

    It must be true … I read it in the tabloids

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    Background Previous attempts to improve the quality of health journalism have not led to more responsible reporting of health news. Method We reviewed the front pages of three daily tabloid and three daily broadsheet UK newspapers during a 1 month period in 2017 for medical headlines in which claims were made for diets, lifestyle behaviours or drug therapies that influence health. Results Front page medical headlines were carried by the Daily Express (11), Daily Mail (two), Daily Mirror (one) and Daily Telegraph (one). Neither the Guardian nor the Independent carried medical stories on their front pages during the period of study. Eleven headlines suggested benefits and three suggested harm. One headline accurately reflected its source material, but in this instance the source material was of doubtful clinical relevance. The remaining 13 headlines either exaggerated benefit (seven), exaggerated harm (two) or made false claims (four). Conclusions The cumulative effect of everyday misreporting of medical stories in UK newspapers may not only serve to confuse the public but also have serious consequences for public health

    Impact of BRCA1/2 cascade testing on anxiety, depression, and cancer worry levels among unaffected relatives in a multiethnic Asian cohort

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    Cascade testing for families with BRCA pathogenic variants is important to identify relatives who are carriers. These relatives can benefit from appropriate risk management and preventative strategies arising from an inherited increased risk of breast, ovarian, prostate, melanoma, and pancreatic cancers. Cascade testing has the potential to enable cost-effective cancer control even in low- and middle-income settings, but few studies have hitherto evaluated the psychosocial impact of cascade testing in an Asian population, where the cultural and religious beliefs around inheritance and destiny have previously been shown to influence perception and attitudes toward screening. In this study, we evaluated the short- and long-term psychosocial impact of genetic testing among unaffected relatives of probands identified through the Malaysian Breast Cancer Genetics Study and the Malaysian Ovarian Cancer Study, using validated questionnaires (Hospital Anxiety and Depression Scale and Cancer Worry Scale) administered at baseline, and 1-month and 2-year post-disclosure of results. Of the 305 unaffected relatives from 98 independent families who were offered cascade testing, 256 (84%) completed predictive testing and family history of cancers was the only factor significantly associated with uptake of predictive testing. We found that the levels of anxiety, depression, and cancer worry among unaffected relatives decreased significantly after result disclosure and remained low 2-year post-result disclosure. Younger relatives and relatives of Malay descent had higher cancer worry at both baseline and after result disclosure compared to those of Chinese and Indian descent, whereas relatives of Indian descent and those with family history of cancers had higher anxiety and depression levels post-result disclosure. Taken together, the results from this Asian cohort highlight the differences in psychosocial needs in different communities and inform the development of culture-specific genetic counseling strategies

    Linkage and association of myocilin (MYOC) polymorphisms with high myopia in a Chinese population

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    Author name used in this publication: Maurice K.H. Yap2006-2007 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

    Functional polymorphisms in the BRCA1 promoter influence transcription and are associated with decreased risk for breast cancer in Chinese women

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    Background: The BRCA1 gene is an important breast-cancer susceptibility gene. Promoter polymorphisms can alter the binding affinity of transcription factors, changing transcriptional activity and may affect susceptibility to disease. Methods and Results: Using direct sequencing of the BRCA1 promoter region, we identified four polymorphisms c.-2804T→C (rs799908:T→C), c.-2265C→T (rs11655505:C→T), c.-2004A→G (rs799906:A→G) and c.-1896(ACA) 1→(ACA) 2 (rs8176071:(ACA) 1→(ACA) 2) present in Hong Kong Chinese. Each polymorphism was studied independently and in combination by functional assays. Although all four variants significantly altered promoter activity, the c.-2265T allele had stronger binding than the C allele, and the most common mutant haplotype, which contains the c.-2265T allele, increased promoter activity by 70%. Risk association first tested in Hong Kong Chinese women with breast cancer and age-matched controls and replicated in a large population-based study of Shanghai Chinese, together totalling >3000 participants, showed that carriers of the c.-2265T allele had a reduced risk for breast cancer (combined odd ratio (OR) = 0.80, 95% Cl 0.69 to 0.93; p = 0.003) which was more evident among women aged ≥45 years at first diagnosis of breast cancer and without a family history of breast cancer (combined OR = 0.75, 95% Cl 0.61 to 0.91; p = 0.004). The most common haplotype containing the c.-2265T allele also showed significant risk association for women aged ≥45 years without a family history of breast cancer (OR = 0.64, 95% Cl 0.46 to 0.89; p = 0.008). Conclusion: This comprehensive study of BRCA1 promoter polymorphisms found four variants that altered promoter activity and with the most significant contribution from c.-2265C→T, which could affect susceptibility to breast cancer in the Chinese population. Its significance in other populations remains to be investigated.published_or_final_versio
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