Waist-to-height ratio (WHtR) is superior to body mass index and waist circumference for measuring adult cardio-metabolic risk factors. However, there is no meta-analysis to evaluate its discriminatory power in children and adolescents. A meta-analysis was conducted using multiple databases, including Embase and Medline. Studies were included that utilized receiver-operating characteristics curve analysis and published area under the receiver-operating characteristics curves (AUC) for adiposity indicators with hyperglycaemia, elevated blood pressure, dyslipidemia, metabolic syndrome and other cardio-metabolic outcomes. Thirty-four studies met the inclusion criteria. AUC values were extracted and pooled using a random-effects model and were weighted using the inverse variance method. The mean AUC values for each index were greater than 0.6 for most outcomes including hypertension. The values were the highest when screening for metabolic syndrome (AUC > 0.8). WHtR did not have significantly better screening power than other two indexes in most outcomes, except for elevated triglycerides when compared with body mass index and high metabolic risk score when compared with waist circumference. Although not being superior in discriminatory power, WHtR is convenient in terms of measurement and interpretation, which is advantageous in practice and allows for the quick identification of children with cardio-metabolic risk factors at an early age.
Medial temporal structural changes are not seen until after the onset of a psychotic illness, and the pattern of structural change differs according to the type of psychosis. These findings have important implications for future neurobiological studies of psychotic disorders and emphasize the importance of longitudinal studies examining patients before and after the onset of a psychotic illness.
Background Advance care planning (ACP) is the process of ongoing communication among patients, family and health care professionals regarding what plans for future care are preferred in the event that patients become unable to make their own decisions. Clinicians play an important role in ACP as both initiators and decision coaches. However, lack of training for clinicians has frequently been reported as the reason for low involvement in ACP discussions - hence the present review evaluates the effectiveness of ACP training programs for healthcare professionals to guide the development of novel training programs for them in the future. Methods A literature search for intervention studies was conducted independently by two reviewers in July 2018. Participants included all healthcare professionals working with adult patients suffering from terminal illness. The primary outcomes were the professionals’ knowledge of and attitudes towards ACP, and self-perceived competence in ACP conversations. The Effective Public Health Practice Project appraisal tool was used to examine the quality of the studies included. Results A total of 4025 articles were identified, and ten eligible articles, covering 1081 participants, were included in the review. However, there is a lack of high quality randomized controlled trials of providing ACP training for nurses working in non-palliative care hospital settings. The overall quality of the intervention studies was moderate. All the studies included used instructional sessions in their interventions, while some contained group discussion, role-play and the use of advanced technology. The training programs increased the knowledge, attitudes towards shared decision-making, perceived communication skills, confidence, comfort and experiences concerned with discussing end-of-life (EOL) issues. Patient advocacy, job satisfaction and perceived level of adequate training for EOL care were improved. The use of ‘decision aids’ was rated as acceptable and clinically useful. Conclusions Training for healthcare professionals in ACP has positive effects on their knowledge, attitude and skills. The use of decision aids and advanced technology, instructional sessions with role play, training content focused on ACP communication skills and the needs and experience of patient in the ACP process, and a values-based ACP process are all those factors that made the ACP training programs effective.
Sleep quality is an important aspect of sleep, but no meta-analysis has elucidated its relationship with blood pressure (BP) and hypertension. A meta-analysis was conducted in October 2016 using multiple databases, including Embase and Medline.Studies that assessed subjective sleep quality and BP or hypertension were included.Upon full-text evaluation, 29 articles from 45 041 patients were selected, of which 22 articles were included in the meta-analysis and seven were presented narratively. Poor sleep quality was significantly associated with a greater likelihood of hypertension (odds ratio, 1.48; P value = .01). Poor sleepers had higher average systolic BP (mean difference = 4.37, P value = .09) and diastolic BP (mean difference = 1.25, P value = .32) than normal sleepers without statistical significance. Patients with hypertension had significantly worse sleep quality scores (mean difference = 1.51, P value < .01), while BP dippers had significantly better scores (mean difference = −1.67, P value < .01).The findings highlight the relationship between sleep quality and hypertension. global PSQI scores (indicative of poorer sleep quality) than patients with normotension. 14,20 Apart from its association with BP, poor sleep quality may be associated with the dipping pattern of BP. For a healthy patient, there is at least a 10% reduction in nocturnal BP as compared with daytime BP; such a patient is characterized as a "dipper."21 "Nondippers" demonstrate an increased activity in the sympathetic nervous system and a decreased activity in the parasympathetic nervous system, which probably explains the higher nocturnal BP. 22 Nondipping BP is associated with higher risk for cardiorenal organ damage such as left ventricular hypertrophy and cerebrovascular diseases. 23 Poor sleep quality may be associated with nondipping patterns through their disruption of the circadian rhythm. 24This association is supported by previous research reporting higher PSQI global scores for nondippers than dippers. 25,26 However, no metaanalysis has been conducted to summarize these findings.Current evidence suggests a potential association between poor subjective sleep quality and hypertension, but it has not been verified through a systematic approach. The primary aims of the present systematic review and meta-analysis are to summarize current evidence and to determine whether poor subjective sleep quality is associated with elevated BP. The secondary aim is to examine whether the associations differ by geographic regions. | METHODS | Search strategyMultiple databases were used for the present review, namely Medline Search terms included a combination of synonyms of "sleep quality," 9 "hypertension," 3 and "blood pressure" 3 as adapted from relevant review articles. 3,9 All articles with English abstracts were assessed. | Study inclusion criteria• Primary studies with a cross-sectional, prospective, or retrospective design• Studies that examined sleep quality with a self-reported questionnaire• Studies that defined hypertension with cri...
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