337 research outputs found

    我愛長腿叔叔 - 文字輔導對兒童成長的意義

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    Preference of food saltiness and willingness to consume low-sodium content food in a Chinese population

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    OBJECTIVE: To compare the preference of food saltiness and the willingness to consume low‐sodium food among hypertensive older people, non‐hypertensive older people and non‐hypertensive young people in a Chinese population. DESIGN: A cross‐sectional study based on a quota sample. Three saltiness options (low‐sodium, medium-sodium and high‐sodium) of soup and bread were offered to each participant who rated the taste of each food on a 5‐point Likert scale. Then, the participants rated their willingness to consume the low-sodium content foods on a 5‐point Likert scale, given they were informed of the benefit of the low-sodium option. Generalised linear mixed model and multiple linear regression were used to analyse the data. SETTING: Elderly centres and community centres in Hong Kong. PARTICIPANTS: Sixty hypertensive older people, 49 non‐hypertensive older people and 60 non-hypertensive young people were recruited from June to August 2014. Measurements: The tastiness score and the willingness score were the primary outcome measures. The Chinese Health Literacy Scale for Low Salt Consumption – Hong Kong population (CHLSalt‐HK) was also assessed. RESULTS: The tastiness rating of the high‐sodium option of soup was significantly lower than the medium‐sodium option (p<0.001), but there was no significant difference between the low‐sodium and the medium‐sodium options (p=0.204). For bread, tastiness rating of the low‐sodium option and the high‐sodium option were significantly lower than the medium‐sodium option (p<0.001 for both options). The tastiness score of soup did not have significant difference across the groups (p=0.181), but that of bread from the hypertensive older adults (p=0.012) and the non‐hypertensive older adults (p=0.006) was significantly higher than the non‐hypertensive young adults. Higher willingness rating to consume the low‐sodium option was significantly (p<0.001) associated with higher tastiness rating of the low-sodium option of soup and bread, and weakly associated with higher health literacy of low salt intake (soup: p=0.041; bread: p=0.024). Hypertensive older adults tended to be more willing to consume the low‐sodium option than non‐hypertensive older adults for soup (p=0.009), there was insignificant difference between non‐hypertensive older adults and non‐hypertensive young adults (p=0.156). For bread, there was insignificant difference in willingness rating to consume low‐sodium option (p=0.375). CONCLUSION: Older people are at a higher risk of hypertension, reduction of salt intake is important for them to reduce their risk of cardiovascular diseases. There is room for reducing the sodium content of soup, while the sodium in bread should be reduced progressively. Improving the taste of low‐sodium food may help to promote reduction in dietary sodium intake.postprin

    BCR-ABL mutational studies for predicting the response of patients with chronic myeloid leukaemia to second-generation tyrosine kinase inhibitors after imatinib fail

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    Imatinib is the standard treatment for chronic myeloid leukaemia. BCR-ABL kinase domain mutation is the commonest mechanism implicated in imatinib resistance. In in-vitro studies, kinase domain mutations are variably resistant to second-line agents. We performed BCR-ABL kinase domain mutational studies in 25 patients in five institutions who failed imatinib and were treated with either nilotinib or dasatinib, to see if their mutational status would predict their clinical responses. Kinase domain mutations involving 11 amino acid substitutions were found in 12 (48%) patients. Most patients showed single kinase domain mutations. There was some concordance between reported drug sensitivity patterns and patient responses. Discordant responses could be related to drug dosage variations and unknown BCR-ABL independent mechanisms. The response prediction for patients with multiple kinase domain mutations was challenging and their mutational patterns could change after tyrosine kinase inhibitor therapy. Although BCR-ABL kinase domain mutational analysis has limitations as a means of predicting the clinical response to second-line tyrosine kinase inhibitors, it helps inform therapy decisions in the management of chronic myeloid leukaemia after imatinib failure.published_or_final_versio

    A Randomised Controlled Trial Assessing the Effect of Oral Diazepam on F-18-FDG Uptake in the Neck and Upper Chest Region

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    A distinctive pattern of physiological symmetrical uptake of F-18-fluorodeoxyglucose (F-18-FDG) in the neck and upper chest region is a phenomenon that is sometimes observed on positron emission tomography (PET) scans of some oncologic patients. Initially, it was assumed to be muscle uptake secondary to patient anxiety or tension, which could be prevented by diazepam treatment. However, PET-computed tomography data have shown that F-18-FDG uptake is not restricted to the musculature but is also localised within the non-muscular soft tissue, such as brown adipose tissue. The efficacy of benzodiazepine treatment to reduce this uptake has not been well established. Therefore, a randomised controlled trial was conducted to decide whether diazepam would decrease physiological F-18-FDG uptake in the neck and upper chest region (FDG-NUC). A randomised, double-blind, placebo-controlled trial was conducted to assess the effect on FDG-NUC of 5 mg diazepam, given orally 1 h before F-18-FDG injection. Patients younger than 40 years, having or suspected to have a malignancy, were eligible for inclusion. The primary endpoint was FDG-NUC, as assessed by visual analysis of whole-body PET scans by two independent observers. The secondary endpoint was clinical relevance of FDG-NUC. Fifty-two patients were included between September 2003 and January 2005. Twenty-eight patients (54%) received placebo; 24 (46%) received diazepam. FDG-NUC was seen in 25% of the patients in the diazepam group versus 29% in the placebo group. This difference was not statistically significant. No beneficial effect of administration of diazepam could be established. Pre-medication with benzodiazepines to diminish physiological uptake of F-18-FDG in the neck and upper chest region is not indicate
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