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1.
Artículo en Inglés | MEDLINE | ID: mdl-35996760

RESUMEN

OBJECTIVES: Home care workers who are the first-line care workers for community-dwelling dementia patients often have limited dementia knowledge, skills, and empathy towards those with dementia. Research is sparse on dementia care training using virtual reality (VR) technology and support network for home care workers. METHODS: This cluster randomized controlled trial evaluated the effects of a dementia VR-based training with peer support on dementia knowledge, attitude, competence, and empathy of home care workers. Each home care worker team was used as the unit for randomization. Sixteen teams were randomly assigned to either VR group or non-VR control group There was a total of 124 participants completed the study, the VR group (n = 61) received a dementia VR-based training consisted of 3-month dementia care e-book modules, dementia VR-based activity and 1-h monthly face-to-face peer support group meetings. The non-VR control group (n = 63) only receive the 3-month dementia care e-book modules and 1-h monthly regular staff meetings with no VR activity. Outcome measures were assessed at three time points: baseline, the end of the 3-month intervention, and 1-month post intervention. RESULTS: Generalized estimating equations results indicate that the improvement in dementia knowledge, attitudes, competence, and empathy over time is significant in the VR group compared to the non-VR control group. The effects remained significant 1 month after the end of the 3-month intervention. CONCLUSIONS: Innovative and accessible dementia training using VR technology with peer support is a promising training approach to improve dementia knowledge, attitudes, competence, and empathy of home care workers.


Asunto(s)
Demencia , Servicios de Atención de Salud a Domicilio , Realidad Virtual , Demencia/terapia , Empatía , Personal de Salud , Humanos
2.
BMC Geriatr ; 21(1): 126, 2021 02 16.
Artículo en Inglés | MEDLINE | ID: mdl-33593287

RESUMEN

BACKGROUND: Caring of older adults with dementia at home can be challenging for home care workers. There is a need to develop suitable training for home care workers to improve the quality of dementia care. We evaluated a 12-week dementia care training including mobile e-learning, social networking, and mentoring support group meetings on the dementia care knowledge, attitude, and competence of home care workers. METHODS: This controlled study involved 140 home care workers from two home care agencies, which were selected from 12 home care agencies in eastern Taiwan. The two home care agencies were randomly allocated either the intervention group or the control group. The intervention group received mobile e-learning, mentor-led online social support networking, and monthly face-to-face mentoring support group meetings. Participants in the control group received 8-h conventional lectures. The primary outcomes were knowledge, attitude, and competence in dementia care. Questionnaires consisting of the Dementia Knowledge Assessment Scale, Approaches to Dementia Questionnaire, and Sense of Competence in Dementia Care Staff scale were administered to the participants at three time points (baseline, end of the 12-week intervention, and 12 weeks after the end of the intervention). RESULTS: Generalized estimating equation analyses showed that the intervention significantly improved the knowledge, attitude, and competence of home care workers on dementia care. The effects remained significant even 12 weeks after the end of the intervention. CONCLUSIONS: A 12-week dementia care training program consisting of mobile e-learning, social networking, and face-to-face mentoring support group meetings were found to a feasible approach in improving the knowledge, attitude, and competence of home care workers. Mobile e-learning and online environment provides a platform that is self-directed, flexible, accessible, and cost-effective for training home care workers. The findings provide a call to action for nurse educators and policy makers to re-design existing dementia care training for home care workers to meet the critical home care needs of a growing dementia population. TRIAL REGISTRATION: ClinicalTrials.gov. NCT03822286 . Registration date: 27/01/2019. Posted date: 31/01/2019.


Asunto(s)
Instrucción por Computador , Demencia , Servicios de Atención de Salud a Domicilio , Tutoría , Anciano , Demencia/terapia , Humanos , Mentores , Taiwán
3.
Int J Nurs Pract ; 21(5): 653-9, 2015 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-24750268

RESUMEN

This study aims to evaluate the effect of light therapy on depression and sleep disruption in older adults residing in a long-term care facility. Psychological morbidity is a problem commonly seen in older adults residing in long-term care facilities. Limited research has addressed the effect of light therapy on depression in this population. A quasi-experimental pretest and posttest design was used. Thirty-four participants in the experimental group received light therapy by sitting in front of a 10000-lux light box 30 min in the morning, three times a week for 4 weeks. Thirty-one participants in the control group received routine care without light therapy. Depression was measured by Geriatric Depression Scale-Short Form at baseline and week 4. After receiving 4 weeks of light therapy, the mean depression score in the experimental group decreased from 7.24 (SD3.42) at pretest to 5.91 (SD 3.40) at posttest, and had a significant reduction (t = 2.22, P = 0.03). However, there was no significant difference in depression score and sleep disruption between the experimental group and control group. Light therapy might have the potential to reduce depressive symptoms and sleep disruption and may be a viable intervention to improve mental health of older adults in the long-term care facilities.


Asunto(s)
Trastorno Depresivo/terapia , Cuidados a Largo Plazo , Casas de Salud , Fototerapia , Trastornos del Sueño-Vigilia/terapia , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Taiwán
4.
Int J Geriatr Psychiatry ; 27(6): 621-7, 2012 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-21823174

RESUMEN

OBJECTIVE: This experimental study aimed to evaluate the effects of a group music intervention on anxiety and agitation of institutionalized older adults with dementia. METHODS: A total of 60 participants were randomly assigned to an experimental or a control group. The experimental group received a 30-min music intervention using percussion instruments with familiar music in a group setting in mid afternoon twice weekly for 6 weeks, whereas the control group received usual care with no music intervention. The Rating of Anxiety in Dementia scale was used to assess anxiety, and Cohen-Mansfield Agitation Inventory was used to assess agitation at baseline, week 4 and week 6. RESULTS: Repeated measures analysis of covariance indicated that older adults who received a group music intervention had a significantly lower anxiety score than those in the control group while controlling for pre-test score and cognitive level (F = 8.98, p = 0.004). However, the reduction of agitation between two groups was not significantly different. CONCLUSIONS: Anxiety and agitation are common in older adults with dementia and have been reported by caregivers as challenging care problems. An innovative group music intervention using percussion instruments with familiar music as a cost-effective approach has the potential to reduce anxiety and improve psychological well-being of those with dementia.


Asunto(s)
Ansiedad/prevención & control , Demencia/psicología , Musicoterapia/instrumentación , Musicoterapia/métodos , Agitación Psicomotora/prevención & control , Psicoterapia de Grupo/métodos , Anciano , Anciano de 80 o más Años , Análisis de Varianza , Ansiedad/etiología , Demencia/complicaciones , Femenino , Humanos , Masculino , Evaluación de Resultado en la Atención de Salud , Escalas de Valoración Psiquiátrica , Agitación Psicomotora/etiología , Instituciones Residenciales , Taiwán
5.
Children (Basel) ; 9(6)2022 Jun 13.
Artículo en Inglés | MEDLINE | ID: mdl-35740817

RESUMEN

OBJECTIVES: Extant research on cost-sharing finds no impact on health care utilization when the amount is insubstantial. This research investigates the effects on nonacute outpatient services for schoolchildren with refractive errors in Taiwan and discusses the potential harm caused by cost sharing and relevant cost containment policies. METHODS: Longitudinal claims data from the National Health Insurance database are employed. District demographic information is also used for aggregate-level analyses. Interventional modeling is conducted on pooled individual-level data with a Poisson model and negative binomial models. Generalized least square modeling is performed on aggregate district-level data to elucidate the impacts of cost sharing and the reimbursement rate with controls for patient and institutional characteristics, district socioeconomic factors, and competitiveness among institutions. RESULTS: The findings of this study show that cost sharing does not significantly affect children's utilization of outpatient services in the patient-level analyses. However, it significantly decreases the service volume based on the results of district aggregate analyses. There are potentially marginal patients in society, and they are more likely to be girls in poorer families, whose chances of seeking medical care significantly decrease when cost sharing increases. CONCLUSIONS: The gap in health inequity can be widened when stringent cost-containment policies are implemented. The offset effect caused by delayed care may also result in higher health care expenditures later. Cost sharing for children should be separately and prudently designed to better protect them from deprivations caused by changes in health policies.

6.
Artículo en Inglés | MEDLINE | ID: mdl-35206390

RESUMEN

IMPORTANCE: Due to the evolving variants of coronavirus disease 2019 (COVID-19), it is important to understand the relationship between the disease condition and socioeconomic, demographic, and health indicators across regions. BACKGROUND: Studies examining the relationships between infectious disease and socioeconomic variables are not yet well established. DESIGN: A total of 3042 counties in the United States are included as the observation unit in the study. Two outcome variables employed in the study are the control of disease spread and infection prevalence rates in each county. METHOD: Data are submitted to quantile regression, hierarchical regression, and random forest analyses to understand the extent to which health outcomes are affected by demographics, socioeconomics, and health indicators. RESULTS: Counties with better control of the disease spread tend to have lower infection rates, and vice versa. When measuring different outcome variables, the common risk factors for COVID-19 with a 5% level of statistical significance include employment ratio, female labor ratio, young population ratio, and residents' average health risk factors, while protective factors include land size, housing value, travel time to work, female population ratio, and ratio of residents who identify themselves as mixed race. CONCLUSIONS: The implications of the findings are that the ability to maintain social distancing and personal hygiene habits are crucial in deterring disease transmission and lowering incidence rates, especially in the early stage of disease formation. Relevant authorities should identify preventive factors and take early actions to fight infectious diseases in the future.


Asunto(s)
COVID-19 , Enfermedades Transmisibles , COVID-19/epidemiología , Femenino , Humanos , Incidencia , SARS-CoV-2 , Factores Socioeconómicos , Estados Unidos/epidemiología
7.
Front Pediatr ; 10: 890767, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35722477

RESUMEN

Objective: Current knowledge on the global burden of infant sepsis is limited to population-level data. We aimed to summarize global case fatality rates (CFRs) of young infants with sepsis, stratified by gross national income (GNI) status and patient-level risk factors. Methods: We performed a systematic review and meta-analysis on CFRs among young infants < 90 days with sepsis. We searched PubMed, Cochrane Central, Embase, and Web of Science for studies published between January 2010 and September 2019. We obtained pooled CFRs estimates using the random effects model. We performed a univariate analysis at patient-level and a meta-regression to study the associations of gestational age, birth weight, onset of sepsis, GNI, age group and culture-proven sepsis with CFRs. Results: The search yielded 6314 publications, of which 240 studies (N = 437,796 patients) from 77 countries were included. Of 240 studies, 99 were conducted in high-income countries, 44 in upper-middle-income countries, 82 in lower-middle-income countries, 6 in low-income countries and 9 in multiple income-level countries. Overall pooled CFR was 18% (95% CI, 17-19%). The CFR was highest for low-income countries [25% (95% CI, 7-43%)], followed by lower-middle [25% (95% CI, 7-43%)], upper-middle [21% (95% CI, 18-24%)] and lowest for high-income countries [12% (95% CI, 11-13%)]. Factors associated with high CFRs included prematurity, low birth weight, age less than 28 days, early onset sepsis, hospital acquired infections and sepsis in middle- and low-income countries. Study setting in middle-income countries was an independent predictor of high CFRs. We found a widening disparity in CFRs between countries of different GNI over time. Conclusion: Young infant sepsis remains a major global health challenge. The widening disparity in young infant sepsis CFRs between GNI groups underscore the need to channel greater resources especially to the lower income regions. Systematic Review Registration: [www.crd.york.ac.uk/prospero], identifier [CRD42020164321].

8.
J Clin Nurs ; 20(11-12): 1776-83, 2011 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-21545663

RESUMEN

AIMS: This study aimed to explore nursing staff's attitudes and use of music for older people with dementia in long-term care facilities. BACKGROUND: Music has shown positive outcomes in managing behavioural symptoms of older people with dementia. Older people living in long-term care facilities often do not have access to trained music therapists. Nursing staff provide the majority of direct care for institutionalised older people with dementia, therefore, will be the most appropriate personnel to learn and implement music therapy for those with dementia. To date, no studies have explored nursing staff's attitudes and use of music for those with dementia. DESIGN: A cross-sectional research design was used. METHODS: A convenience sample of 285 nursing staff caring for those with dementia in long-term care facilities in Taiwan were recruited. Participants received a self-administered questionnaire consisted of items exploring nursing staff's attitude and use of music for those with dementia. A total of 214 participants completed the questionnaires, giving a response rate of 75·1%. RESULTS: Most nursing staff held positive attitudes towards use of music for older people with dementia (mean=84·89, range 23-115), but only 30·6% (n=66) had used music for those with dementia in practice. The majority perceived that they had limited knowledge and skills about use of music (72·9%). Over half of the participants reported that they lacked resources and time to implement music therapy in practice. CONCLUSIONS: Nursing staff need more formal training to use music for those with dementia. Nursing staff can be the suitable personnel to learn easily and implement music therapy as a part of routine activity programmes for those with dementia. RELEVANCE TO CLINICAL PRACTICE: Appropriately trained nursing staff in long-term care facilities who use music therapy may help improve the mental health of older people with dementia.


Asunto(s)
Actitud del Personal de Salud , Musicoterapia , Casas de Salud , Personal de Enfermería/psicología , Adolescente , Adulto , Estudios Transversales , Femenino , Humanos , Cuidados a Largo Plazo , Masculino , Persona de Mediana Edad , Recursos Humanos
9.
J Clin Nurs ; 19(7-8): 1056-64, 2010 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-20492050

RESUMEN

AIM: This article reports the results of a study evaluating a preferred music listening intervention for reducing anxiety in older adults with dementia in nursing homes. BACKGROUND: Anxiety can have a significant negative impact on older adults' functional status, quality of life and health care resources. However, anxiety is often under-diagnosed and inappropriately treated in those with dementia. Little is known about the use of a preferred music listening intervention for managing anxiety in those with dementia. DESIGN: A quasi-experimental pretest and posttest design was used. METHODS: This study aimed to evaluate the effectiveness of a preferred music listening intervention on anxiety in older adults with dementia in nursing home. Twenty-nine participants in the experimental group received a 30-minute music listening intervention based on personal preferences delivered by trained nursing staff in mid-afternoon, twice a week for six weeks. Meanwhile, 23 participants in the control group only received usual standard care with no music. Anxiety was measured by Rating Anxiety in Dementia at baseline and week six. Analysis of covariance (ancova) was used to determine the effectiveness of a preferred music listening intervention on anxiety at six weeks while controlling for pretest anxiety, age and marital status. RESULTS: ancova results indicated that older adults who received the preferred music listening had a significantly lower anxiety score at six weeks compared with those who received the usual standard care with no music (F = 12.15, p = 0.001). CONCLUSIONS: Preferred music listening had a positive impact by reducing the level of anxiety in older adults with dementia. RELEVANCE TO CLINICAL PRACTICE: Nursing staff can learn how to implement preferred music intervention to provide appropriate care tailored to the individual needs of older adults with dementia. Preferred music listening is an inexpensive and viable intervention to promote mental health of those with dementia.


Asunto(s)
Ansiedad/prevención & control , Demencia/terapia , Hogares para Ancianos , Musicoterapia , Casas de Salud , Prioridad del Paciente , Anciano , Anciano de 80 o más Años , Demencia/enfermería , Femenino , Humanos , Cuidados a Largo Plazo , Masculino , Taiwán
10.
Br J Radiol ; 90(1070): 20160466, 2017 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-27897034

RESUMEN

OBJECTIVE: This study examines the effects of listening to meditative music on state anxiety and heart rate variability (HRV) of patients during the uptake phase before positron emission tomography (PET) scans. METHODS: A two-group randomized experimental design was used. Eligible patients were randomly assigned to either the experimental or control group. All patients received baseline assessments of state anxiety using Spielberger State-Trait Anxiety Inventory (STAI-S) and HRV before receiving an intravenous injection of radiopharmaceutical fluorine-18 fludeoxyglucose in the uptake room. The experimental group (n = 35) listened individually to 30 min of meditative music, integrating Chinese "Chi" and western frequency resonation in the uptake room. The control group (n = 37) lay on bed quietly for 40 min in the uptake room without music. All patients were assessed for their anxiety level and HRV again, before receiving PET scanning as post-test. RESULTS: The results indicated that patients in the experimental group showed a significant reduction in state anxiety and heart rate, and increase on high frequency norm of HRV (p < 0.001). There was a statistically significant reduction on anxiety level (p < 0.001), heart rate (p < 0.001) and high frequency norm (p = 0.001) in the experimental group compared with those of the control group. CONCLUSION: Listening to meditative music as a non-invasive and cost-effective strategy can help maximize efforts to promote comfort and relaxation for patients awaiting stressful procedures, such as PET scans. Meditative music can be effective in alleviating state anxiety of patients during the uptake phase before PET scans. Advances in knowledge: The study provides scientific evidence of the effects of listening to meditative music for reducing state anxiety in patients during the uptake phase before PET scans. It may have the potential to lower the risk of unwanted false-positive fluorine-18 fludeoxyglucose uptake in normal organs and to further improve image quality and image interpretation. Listening to meditative music is a safe and inexpensive intervention which can be incorporated into routine procedures to reduce anxiety of patients undergoing PET scans.


Asunto(s)
Ansiedad/psicología , Ansiedad/terapia , Meditación/métodos , Meditación/psicología , Musicoterapia/métodos , Tomografía de Emisión de Positrones/psicología , Femenino , Fluorodesoxiglucosa F18/administración & dosificación , Frecuencia Cardíaca/fisiología , Humanos , Masculino , Persona de Mediana Edad , Radiofármacos/administración & dosificación
11.
J Crit Care ; 21(3): 280-6, 2006 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-16990099

RESUMEN

PURPOSE: Previous studies suggest the possibility of autonomic dysfunction in patients with complicated hand, foot, and mouth disease (HFMD) and herpangina. Heart rate variability (HRV), an index for autonomic nervous system, may be useful to detect disease progression. MATERIALS AND METHODS: From 2001 to 2002, 66 patients (1-9 years old) were enrolled prospectively in either a control (20 patients) or disease (46 patients with HFMD or herpangina) group. The disease group was subdivided into stage I (fever only), stage II (with complications of encephalomyelitis), and stage III (with complications of encephalomyelitis as well as tachycardia, hyperglycemia, tachypnea, and hypertension or hypotension) groups. Data from electrocardiograms were transformed for HRV. RESULTS: The HRV parameters generally decreased and the low frequency (LF)/high frequency ratio (HF) increased in the disease groups. Patients in disease group stage II had significantly lower parameters of HRV (triangular index, total power, LF power, and HF power) and higher LF/HF ratio than those in disease group stage I. With this trend, patients with stage III disease had extremely low HRV parameters. The inferred criteria of HRV (standard deviation of normal-to-normal interval <17 milliseconds and HF power <24 milliseconds(2)) to define stage III patients (sensitivity, 100%; specificity, 71.4%) were also useful to predict disease progression. CONCLUSIONS: The HRV markedly decreased, most likely because of autonomic dysfunction, in patients with HFMD and herpangina when complicated with central nervous system involvement and cardiopulmonary failure and may be useful parameters to monitor disease progression.


Asunto(s)
Encefalopatías/diagnóstico , Enfermedad de Boca, Mano y Pie/fisiopatología , Frecuencia Cardíaca , Herpangina/fisiopatología , Encefalopatías/etiología , Niño , Preescolar , Progresión de la Enfermedad , Femenino , Enfermedad de Boca, Mano y Pie/complicaciones , Indicadores de Salud , Herpangina/complicaciones , Humanos , Lactante , Masculino , Monitoreo Fisiológico , Estudios Prospectivos
12.
Complement Ther Med ; 14(2): 113-9, 2006 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-16765849

RESUMEN

BACKGROUND: Agitated behaviours are identified by caregivers as the most challenging in dementia care. Alternative approaches reducing occurrence of agitated behaviours and the need for chemical or physical restraints become valuable for institutionalized elders with dementia. OBJECTIVE AND SETTING: This study was to evaluate the effects of group music with movement intervention on occurrence of agitated behaviours of institutionalized elders with dementia in Taiwan. METHODS: A randomized controlled trial was used. Thirty-six institutionalized elders with dementia completed the study, with 18 in the experimental group receiving group music with movement intervention twice a week for 4 weeks and 18 in the control group receiving usual care without intervention. Modified Cohen-Mansfield Agitation Inventory was used to assess agitated behaviours at baseline, weeks 2 and 4. RESULTS: Agitated behaviours were significantly reduced in the experimental group following 4 weeks of group music with movement intervention compared to that of the control group (p<0.001). CONCLUSIONS: Group music with movement intervention can be beneficial in managing agitated behaviours of those with dementia and should be incorporated into care routines in residential facilities.


Asunto(s)
Demencia/terapia , Movimiento , Musicoterapia , Agitación Psicomotora/prevención & control , Anciano , Análisis de Varianza , Femenino , Humanos , Masculino , Casas de Salud , Taiwán
13.
Med Biol Eng Comput ; 54(9): 1409-22, 2016 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-26530048

RESUMEN

Segmenting lung fields in a chest radiograph is essential for automatically analyzing an image. We present an unsupervised method based on multiresolution fractal feature vector. The feature vector characterizes the lung field region effectively. A fuzzy c-means clustering algorithm is then applied to obtain a satisfactory initial contour. The final contour is obtained by deformable models. The results show the feasibility and high performance of the proposed method. Furthermore, based on the segmentation of lung fields, the cardiothoracic ratio (CTR) can be measured. The CTR is a simple index for evaluating cardiac hypertrophy. After identifying a suspicious symptom based on the estimated CTR, a physician can suggest that the patient undergoes additional extensive tests before a treatment plan is finalized.


Asunto(s)
Pulmón/diagnóstico por imagen , Interpretación de Imagen Radiográfica Asistida por Computador/métodos , Radiografía Torácica/métodos , Algoritmos , Cardiomegalia/diagnóstico por imagen , Análisis por Conglomerados , Fractales , Lógica Difusa , Humanos , Reconocimiento de Normas Patrones Automatizadas/métodos , Neumonía/diagnóstico por imagen , Sensibilidad y Especificidad
14.
Asia Pac Psychiatry ; 7(1): 1-6, 2015 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-24692085

RESUMEN

INTRODUCTION: Animal-assisted therapy is gaining popularity as part of therapeutic activities for older adults in many long-term care facilities. However, concerns about dog bites, allergic responses to pets, disease, and insufficient available resources to care for a real pet have led to many residential care facilities to ban this therapy. There are situations where a substitute artificial companion, such as robotic pet, may serve as a better alternative. METHODS: This pilot study used a one-group pre- and posttest design to evaluate the effect of a robot-assisted therapy for older adults. Sixteen eligible participants participated in the study and received a group robot-assisted therapy using a seal-like robot pet for 30 minutes twice a week for 4 weeks. All participants received assessments of their communication and interaction skills using the Assessment of Communication and Interaction Skills (ACIS-C) and activity participation using the Activity Participation Scale at baseline and at week 4. RESULTS: A total of 12 participants completed the study. Wilcoxon signed rank test showed that participants' communication and interaction skills (z = -2.94, P = 0.003) and activity participation (z = -2.66, P = 0.008) were significantly improved after receiving 4-week robot-assisted therapy. DISCUSSION: By interacting with a robot pet, such as Paro, the communication, interaction skills, and activity participation of the older adults can be improved. The robot-assisted therapy can be provided as a routine activity program and has the potential to improve social health of older adults in residential care facilities.


Asunto(s)
Institucionalización , Relaciones Interpersonales , Robótica , Participación Social , Terapia Asistida por Computador , Anciano , Anciano de 80 o más Años , Comunicación , Femenino , Evaluación Geriátrica , Humanos , Masculino , Proyectos Piloto
15.
IEEE Trans Med Imaging ; 22(3): 382-92, 2003 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-12760555

RESUMEN

This paper describes the feasibility of selecting fractal feature vector based on M-band wavelet transform to classify ultrasonic liver images-normal liver, cirrhosis, and hepatoma. The proposed feature extraction algorithm is based on the spatial-frequency decomposition and fractal geometry. Various classification algorithms based on respective texture measurements and filter banks are presented and tested. Classifications for the three sets of ultrasonic liver images reveal that the fractal feature vector based on M-band wavelet transform is trustworthy. A hierarchical classifier, which is based on the proposed feature extraction algorithm is at least 96.7% accurate in the distinction between normal and abnormal liver images and is at least 93.6% accurate in the distinction between cirrhosis and hepatoma liver images. Additionally, the criterion for feature selection is specified and employed for performance comparisons herein.


Asunto(s)
Algoritmos , Fractales , Interpretación de Imagen Asistida por Computador/métodos , Hígado/diagnóstico por imagen , Procesamiento de Señales Asistido por Computador , Carcinoma Hepatocelular/diagnóstico por imagen , Estudios de Factibilidad , Fibrosis/diagnóstico por imagen , Humanos , Aumento de la Imagen/métodos , Neoplasias Hepáticas/diagnóstico por imagen , Reconocimiento de Normas Patrones Automatizadas , Valores de Referencia , Reproducibilidad de los Resultados , Sensibilidad y Especificidad , Ultrasonografía
16.
Pediatr Neonatol ; 55(6): 431-8, 2014 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-24461195

RESUMEN

Nebulized hypertonic saline (HS) treatment reduced the length of hospitalization in infants with acute bronchiolitis in a previous meta-analysis. However, there was no reduction in the admission rate. We hypothesized that nebulized HS treatment might significantly decrease both the duration and the rate of hospitalization if more randomized controlled trials (RCTs) were included. We searched MEDLINE, PubMed, CINAHL, and the Cochrane Central Register of Controlled Trials (CENTRAL) without a language restriction. A meta-analysis was performed based on the efficacy of nebulized HS treatment in infants with acute bronchiolitis. We used weighted mean difference (WMD) and risk ratio as effect size metrics. Eleven studies were identified that enrolled 1070 infants. Nebulized HS treatment significantly decreased the duration and rate of hospitalization compared with nebulized normal saline (NS) [duration of hospitalization: WMD = -0.96, 95% confidence interval (CI) = -1.38 to -0.54, p < 0.001; rate of hospitalization: risk ratio = 0.59, 95% CI = 0.37-0.93, p = 0.02]. Furthermore, nebulized HS treatment had a beneficial effect in reducing the clinical severity (CS) score of acute bronchiolitis infants post-treatment (Day 1: WMD = -0.77, 95% CI = -1.30 to -0.24, p = 0.005; Day 2: WMD = -0.85, 95% CI = -1.30 to -0.39, p < 0.001; Day 3: WMD = -1.14, 95% CI = -1.69 to -0.58, p < 0.001). There was no decrease in the rate of readmission (risk ratio = 1.08, 95% CI = 0.68-1.73, p = 0.74). Nebulized HS treatment significantly decreased both the rate and the duration of hospitalization. Due to the efficacy and cost-effectiveness, HS should be considered for the treatment of acute bronchiolitis in infants.


Asunto(s)
Bronquiolitis/terapia , Hospitalización/estadística & datos numéricos , Solución Salina Hipertónica/administración & dosificación , Enfermedad Aguda , Humanos , Lactante , Nebulizadores y Vaporizadores
17.
Phys Ther ; 92(3): 448-53, 2012 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-22135705

RESUMEN

BACKGROUND: Contrast baths have been adopted widely in clinics. However, the time ratio of heat to cold modalities has not been well established. OBJECTIVE: The purpose of this study was to explore the effect of time ratio on brachial artery mean blood velocity (aMBV) and determine the optimal duration in the second heating phase. DESIGN: This was a within-participant, repeated-measures, experimental study. METHODS: Thirty-four young volunteers who were healthy were recruited. Each participant performed 2 kinds of contrast baths within 2 separate sessions. In the first trial with a fixed time ratio, participants immersed their left hands in a 40°C hot bath for 3 minutes and then in an 18°C cold bath for 1 minute. This procedure was repeated 3 times. In the second trial, after the initial 3-minute hot bath and 1-minute cold bath, a 10-minute 40°C hot bath immersion was adopted as the second cycle. A color Doppler ultrasound scanner was used to measure aMBV, which was used to calculate the percentage of change related to the baseline (aMBV%) and the fluctuation in the heating phases (ΔaMBV%). RESULTS: In the first trial, compared with the first heating phase, the ΔaMBV% was significantly lower by 57% and by 46% in the second and third heating phases, respectively. In the second trial, the ΔaMBV% beyond the 7th minute did not reach a significantly lower level. LIMITATIONS: The results cannot be generalized to elderly individuals or patients with medical conditions. CONCLUSION: A longer duration in the second heating phase during contrast baths was required to produce a sufficient fluctuation in blood flow.


Asunto(s)
Baños , Velocidad del Flujo Sanguíneo , Arteria Braquial/diagnóstico por imagen , Arteria Braquial/fisiología , Mano/irrigación sanguínea , Mano/diagnóstico por imagen , Ultrasonografía Doppler en Color , Adulto , Análisis de Varianza , Frío , Femenino , Calor , Humanos , Inmersión , Masculino , Factores de Tiempo
18.
J Proteomics ; 75(12): 3760-77, 2012 Jun 27.
Artículo en Inglés | MEDLINE | ID: mdl-22579751

RESUMEN

Type 1 diabetes mellitus (T1DM) is an insulin-dependent metabolic disease in the world and often occurs in children and adolescents. Recent advances in quantitative proteomics offer potential for the discovery of plasma proteins as biomarkers for tracking disease progression and for understanding the molecular mechanisms of diabetes. Comparative proteomic analysis of the plasma proteomes from T1DM cases and healthy donors with lysine- and cysteine-labeling 2D-DIGE combining MALDI-TOF/TOF mass spectrometry revealed that 39 identified T1DM-associated plasma proteins showed significant changes in protein expression including hemopexin, and 41 in thiol reactivity. Further study showed that hemopexin can be induced in numerous cell lines by increasing the glucose concentration in the medium. Interestingly, glucose-induced hemopexin expression can be reduced by reactive oxygen species (ROS) scavengers such as glutathione, implying that hemopexin expression is linked to glucose-induced oxidative stress. In conclusion, the current work has identified potential T1DM biomarkers and one of these, hemopexin, can be modulated by glucose through a ROS-dependent mechanism.


Asunto(s)
Proteínas Sanguíneas/análisis , Diabetes Mellitus Tipo 1/sangre , Glucosa/metabolismo , Hemopexina/metabolismo , Especies Reactivas de Oxígeno/metabolismo , Adolescente , Biomarcadores/sangre , Proteínas Sanguíneas/metabolismo , Células Cultivadas , Niño , Hemopexina/análisis , Humanos , Regulación hacia Arriba
19.
Pediatr Infect Dis J ; 30(2): 148-52, 2011 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-20805785

RESUMEN

BACKGROUND: a functional single nucleotide polymorphism (SNP) (rs28493229) in the inositol 1,4,5-trisphosphate 3-kinase C (ITPKC) gene has been linked to the susceptibility to Kawasaki disease (KD). The implication remains unclear. SUBJECTS AND METHODS: genotyping for the ITPKC polymorphism was conducted on 280 unrelated Taiwanese children with KD and 492 healthy ethnically and gender-matched controls. The clinical manifestations and laboratory data were systemically collected. RESULTS: the GC and CC genotypes of ITPKC gene SNP rs28493229 were overrepresented in KD patients (GG:GC:CC was 236:43:1, C allele frequency: 8.04%) than those in the controls (GG:GC:CC was 454:37:1, C allele frequency: 3.96%; OR: 2.23, P = 0.001). In KD patients, those with GC or CC genotypes of SNP rs28493229 (19/44) were more likely to have reactivation at the Bacille Calmette-Guérin (BCG) inoculation site than those with GG genotypes (66/236; OR: 1.96, P = 0.044). Such association was particularly strong in patients aged <20 months (OR: 3.26, P = 0.017). The other clinical manifestations were not related to this SNP. There were 160 (57.1%) patients with coronary arterial lesions. The development and the severity of coronary arterial lesion were also not associated with this SNP. Comparison between patients with and without BCG reactivation revealed only one difference: patients with reactivation were younger. CONCLUSION: in a cohort from a population with the world's third highest incidence of KD, we demonstrated that the C-allele of ITPKC SNP rs28493229 is associated with KD susceptibility and BCG scar reactivation during the acute phase, although its frequency is lower than that in the Japanese cohort (22.6%), suggesting this SNP contributes to KD susceptibility through induced hyperimmune function reflected in the BCG reactivation.


Asunto(s)
Vacuna BCG/inmunología , Cicatriz/patología , Susceptibilidad a Enfermedades , Síndrome Mucocutáneo Linfonodular/genética , Fosfotransferasas (Aceptor de Grupo Alcohol)/genética , Polimorfismo de Nucleótido Simple , Preescolar , Femenino , Frecuencia de los Genes , Humanos , Lactante , Masculino , Datos de Secuencia Molecular , Análisis de Secuencia de ADN , Taiwán
20.
Pediatr Neonatol ; 50(6): 291-3, 2009 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-20025144

RESUMEN

BACKGROUND: The most readily available methods for testing serum total bilirubin in neonates are the capillary tube-directed optics color method and serum biochemistry. Because inconsistency between these two methods may cause confusion in clinical practice, this study was designed to quantify their differences. METHODS: In 46 neonates with clinical jaundice, total bilirubin was measured by two different methods, using a nonchemical photometric device and a laboratory analyzer. RESULTS: Differences in results between these two methods were statistically significant, especially when total bilirubin level exceeded 15 mg/dL. CONCLUSION: Clinicians should be aware of the differences between the two methods when making decisions in patient care.


Asunto(s)
Bilirrubina/sangre , Femenino , Humanos , Lactante , Recién Nacido , Modelos Lineales , Masculino
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