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1.
Marc Gellman Susan Spitzer Gail Ironson Maria Llabre Patrice Saab Rosemary De Carlo Pasin Donald J. Weidler Neil Schneiderman 《Psychophysiology》1990,27(5):544-551
Ambulatory blood pressure was studied as a function of posture, place, and mood in 131 subjects classified according to race, gender, and hypertensive status. The effect of posture was significant and explained a substantial proportion of within-subject variability. After controlling for posture, significant place and mood effects were observed when subjects were sitting but not when they were standing. Home vs. work differences in both systolic and diastolic blood pressure were significantly greater in Whites than in Blacks. Similar differences in systolic blood pressure were greater in mild hypertensive than in normotensive subjects. The results of this study underscore the need to control for effects of posture when interpreting ambulatory blood pressure readings. 相似文献
2.
Gail H. Ironson Marc D. Gellman Susan B. Spitzer Maria M. Llabre Rosemary De Carlo Pasin Donald J. Weidler Neil Schneiderman 《Psychophysiology》1989,26(2):174-184
The relationship between blood pressure in the laboratory (both at rest and in response to laboratory tasks) and ambulatory blood pressure at home and at work was evaluated. One hundred nineteen normotensive and unmedicated mild-moderate hypertensive black and white females and males participated in laboratory blood pressure monitoring at rest and during four challenging tasks (structured interview, video game, bicycle exercise, and cold pressor test) as well as ambulatory blood pressure monitoring while at home and at work. Baseline blood pressure taken while subjects were at rest was the strongest predictor of ambulatory systolic blood pressure (r = .64) and diastolic blood pressure (r = .77) at work. Among reactivity tasks the strongest predictors of ambulatory blood pressure in the total population were the structured interview and the video game (both psychological tasks) followed by the cold pressor test. Racial comparisons, however, determined that the cold pressor test predicted diastolic blood pressure significantly better for blacks (r = .73) than for whites (r = .40), suggesting a possible difference in blood pressure regulation. 相似文献
3.
Levin BE Katzen HL Klein B Llabre ML 《Journal of clinical and experimental neuropsychology》2000,22(5):580-586
We evaluated prospectively 210 patients with idiopathic Parkinson's disease (PD) to determine whether cognitive deterioration and disease disability affect subject drop out. Subjects who refused to return for follow-up testing had a greater degree of bradykinesia and overall disability, more advanced disease, fewer years of education and greater depressive symptomatology. However, discriminant analysis indicated that performance on the neuropsychological measures, rather than PD severity, significantly predicted whether patients return for follow-up testing. Our findings indicate that cognitive impairment uniquely contributes to subject attrition, which may distort dementia estimates in PD. 相似文献
4.
Cognitive outcome of children with epilepsy and malformations of cortical development 总被引:4,自引:0,他引:4
OBJECTIVE: To assess intellectual functioning (IQ) in 54 children and adolescents with intractable epilepsy who later underwent cortical resection due to unilateral malformations of cortical development acquired in utero. METHODS: Lesion type was classified into circumscribed mass lesions and diffuse cortical dysplasia based on histopathologic analysis of surgical tissue. Cortical dysplastic lesions were further graded as mild, moderate, or severe according to specific microscopic features. Laterality of lesion was determined through neurologic examination and electrophysiologic and neuroradiologic procedures. Classification of lesion type was corroborated by its significant relationship with other disease-related variables known to be related to clinical severity (age at seizure onset, age at resection, and extent of lesion). RESULTS: Analyses of covariance revealed that circumscribed lesions had a less deleterious effect on nonverbal IQ than did diffuse cortical dysplasia, after controlling for age at seizure onset and extent of lesion. This effect was also found on verbal IQ measures, but only in subjects with right-sided lesions. Subjects with left-sided lesions performed significantly more poorly on verbal IQ measures than those with right-sided lesions. Additionally, younger age at onset and greater extent of lesion were associated with poorer cognitive outcome. CONCLUSIONS: Cortical dysplasia and early left hemisphere lesions have a significantly worse impact on cognitive functioning than circumscribed lesions or right hemisphere developmental lesions in children with epilepsy. 相似文献
5.
Goldstein RZ Hurwitz BE Llabre MM Schneiderman N Gutt M Skyler JS Prineas RJ Donahue RP 《American journal of epidemiology》2001,154(8):765-776
To develop a method for assessing preclinical cardiovascular disease risk, models of resting cardiovascular regulation and of insulin metabolic syndrome were derived from information collected from 1991 to 1996 in a culturally heterogeneous sample of 319 healthy men and women (aged 25-44 years) from Miami-Dade County, Florida. The model of resting cardiovascular regulation used 8 noninvasive measures of autonomic and cardiovascular function. Three factors were derived: 1) parasympathetic, 2) inotropy, and 3) systemic vascular resistance. The model of insulin metabolic syndrome used 12 measures assessing body mass, insulin, glucose, and lipid metabolism. Four factors were derived: 1) body mass and fat distribution, 2) glucose level and regulation, 3) insulin level and regulation, and 4) plasma lipid levels. Analyses of the association of the two models revealed that subjects with lower cardiac contractility had greater body mass, higher fasting and postload insulin and glucose levels, and lower insulin sensitivity. Subjects with greater vascular resistance had greater body mass, higher total cholesterol and triglyceride levels, and lower high density lipoprotein cholesterol levels. These findings indicate that preclinical cardiovascular disease risk may involve pathophysiologic processes in which cardiac inotropic and vasodilatory functions are linked to specific aspects of insulin metabolic syndrome. 相似文献
6.
Diana A. Chirinos Ronald B. Goldberg Maria M. Llabre Marc Gellman Miriam Gutt Judith McCalla Armando Mendez Neil Schneiderman 《Journal of behavioral medicine》2016,39(3):483-492
Although weight is an important intervention target among patients with metabolic syndrome, few trials have recruited low-income minority populations. The Community Health and Risk-reduction for Metabolic Syndrome randomized controlled trial aimed to examine the effects of a lifestyle intervention on weight and metabolic syndrome components among low-income minority adults. We randomized 120 adults with metabolic syndrome to standard medical care (N = 60) or a lifestyle intervention (N = 60). Using an intent-to-treat approach, we found significant intervention effects on weight [B = ?0.452; SE = 0.122; 95 % confidence intervals (CI) ?0.653 to ?0.251) and glucose levels at 6-months (B = ?0.522, SE = 0.234, 95 % CI ?0.907 to ?0.138). These changes were maintained through the 12-month assessment. No significant effects were observed on insulin resistance or other metabolic syndrome components. Our intervention was successful in achieving modest but significant weight loss and reduction in fasting glucose among low-income minority subjects with metabolic syndrome. 相似文献
7.
Keith A Kline Patrice G Saab Maria M Llabre 《International journal of psychophysiology》2005,55(3):343-348
Behavioral ratings of performance and nervousness during a speech were used to divide participants (n=54) into threat and challenge groups. Comparisons on cardiac output, Heather index, heart rate, vascular resistance, and blood pressure reactivity indicated greater myocardial responses for the challenge group. This study extends the threat-challenge literature by employing behavioral definitions of constructs and examining a Hispanic adolescent sample. 相似文献
8.
Margaret M. Bass Catherine A. Duchowny Maria M. Llabre 《Journal of autism and developmental disorders》2009,39(9):1261-1267
This study evaluated the effects of therapeutic horseback riding on social functioning in children with autism. We hypothesized
that participants in the experimental condition (n = 19), compared to those on the wait-list control (n = 15), would demonstrate significant improvement in social functioning following a 12-weeks horseback riding intervention.
Autistic children exposed to therapeutic horseback riding exhibited greater sensory seeking, sensory sensitivity, social motivation,
and less inattention, distractibility, and sedentary behaviors. The results provide evidence that therapeutic horseback riding
may be a viable therapeutic option in treating children with autism spectrum disorders. 相似文献
9.
Saab PG Llabre MM Ma M DiLillo V McCalla JR Fernander-Scott A Copen R Gellman M Schneiderman N 《Journal of hypertension》2001,19(1):21-27
OBJECTIVES: The goal of this study was to compare the cardiovascular responses to behavioural stressors of three groups of adolescents who differed in blood pressure status across assessments. DESIGN: Casual blood pressure of adolescents who were identified as having elevated blood pressure during a school screen was re-evaluated in the laboratory. The adolescents were classified into two groups: (i) those with consistently elevated blood pressure across school and laboratory assessments and (i) those with labile blood pressure whose blood pressure in the laboratory was below 130/80 mmHg. A comparison group of adolescents with consistently normal blood pressure was also included. METHODS: Cardiovascular parameters were assessed during rest and during two behavioural stressors, the evaluated speaking task and the mirror tracing task. RESULTS: Adolescents with elevated blood pressure were more vascularly responsive across stressors than adolescents with labile blood pressure, who, in turn, were more reactive than adolescents with normal blood pressure. CONCLUSIONS: These results suggest that vascular reactivity to behavioural stressors may be useful in predicting risk of hypertension because of its sensitivity in distinguishing adolescents with consistently elevated blood pressure from those with labile blood pressure and those with normal blood pressure. 相似文献
10.
Barry E. Hurwitz PhD Nancy G. Klimas Maria M. Llabre Kevin J. Maher Jay S. Skyler Martin S. Bilsker Shvawn McPherson-Baker Peter J. Lawrence Arthur R. LaPerriere Jeffrey M. Greeson Johanna R. Klaus Rasha Lawrence Neil Schneiderman 《Cardiovascular toxicology》2004,4(3):303-315
Differences on measures of metabolic syndrome X and coronary heart disease (CHD) risk, as well as potential pathophysiological mediators, inflammation, and oxidative stress, were examined as a function of HIV serostatus and highly active antiretroviral therapy (HAART) regimen with and without protease inhibitors (PIs). Data from 164 men and women, aged 18 to 55 yr, were used to compare 82 HIV+ subjects who were free of hepatitis C virus and were on a stable HAART regimen for ≥6 mo, with 82 seronegative subjects matched on age, sex, body mass index, and ethnicity. For the HIV+ subjects, after controlling for diabetes status and HIV disease progression, PI exposure was associated with greater oxidative stress, triglyceridemia, and lipidemia than it was for non-PI-exposed HIV+ subjects, and the risk of a future myocardial infarction was up to 56% greater in PI-exposed than in non-PI-exposed subjects and 129% greater than in controls. Although it is likely that the greatest proportion of CHD risk in the HIV+ subjects may be accounted for by pathological conditions linked to HIV infection in interaction with mediating processes such as inflammation, central obesity, and dyslipidemia, which was greater than in controls, it appears that PI medications may exacerbate oxidative stress and hypertriglyceridemia to enhance this risk. 相似文献