Alice Pasvogel

Learning in children and sleep disordered breathing: Findings of the Tucson Children's Assessment of Sleep Apnea (TuCASA) Prospective Cohort Study

We examined the relationship between nocturnal respiratory disturbance and learning and compared learning in children with and without nocturnal respiratory disturbance. Subjects were 149 participants in a prospective cohort study examining sleep in children ages 6-12: The Tucson Childrens Assessment of Sleep Apnea study (TuCASA). Sleep was assessed via home polysomnography. Intelligence, learning and memory, and academic achievement were assessed. Parents rated attention. Group comparisons were used to test the hypothesis that the group with an apnea/hypopnea index (AHI) of 5 or more (n = 77) would have weaker performance than the group with AHI less than 5 (n = 72). The group with AHI of 5 or more had weaker learning and memory though differences between groups decreased when arousals were taken into account. There was a greater percentage of Stage 1 sleep in the AHI 5 or more group, and Stage 1 percentage was negatively related to learning and memory in the sample (n = 149). There were negative relationships between AHI and immediate recall, Full Scale IQ, Performance IQ, and math achievement. Hypoxemia was associated with lower Performance IQ. Thus, findings suggest that nocturnal respiratory disturbance is associated with decreased learning in otherwise healthy children, that sleep fragmentation adversely impacts learning and memory, and that hypoxemia adversely influences nonverbal skills.

A feasibility study of a culturally tailored diabetes intervention for mexican americans

Latinos, the fastest growing minority group in the United States, are among the hardest hit by diabetes. Among Latinos, Mexican Americans have the highest rate (23.9%) of diabetes. Good self-management can improve glycemic control and decrease diabetes complications but can be challenging to achieve. The purpose of this study was to test the feasibility and examine the effects of a culturally tailored intervention for Mexican Americans with type 2 diabetes on outcomes of self-management. The study used a pretest/posttest control group design with 10 participants in each group (N = 17). Feasibility and acceptability of the tailored diabetes self-management program was assessed by examining ease of recruitment and retention rates. The behavioral outcomes of self-efficacy, diabetes knowledge and self-care measures, and the biologic outcomes of weight, body mass index, HbA1C, and blood glucose were used to examine intervention effectiveness. Successful recruitment of participants came from personal referrals from providers or the promotora. Retention rates were 100% for the intervention group and 80% for the control group. Findings suggest that the intervention had a positive clinical and statistical effect on diabetes knowledge, weight, and body mass index. Improvements were also noted in self-efficacy scores, blood glucose, and HbA1C, but these changes did not reach statistical significance. A culturally tailored diabetes self-management program may result in improved outcomes for Mexican Americans with type 2 diabetes.

Psychosocial interventions to improve quality of life in prostate cancer survivors and their intimate or family partners

PurposeThe primary purpose was to test the effectiveness of two telephone-delivered psychosocial interventions for maintaining and improving quality of life (QOL) (psychological, physical, social, and spiritual well-being) among 71 prostate cancer survivors and the 70 intimate or family partners who were supporting them in their recovery.MethodsThis study used a three-wave repeated measures experimental design. Both the interpersonal counseling intervention (TIP-C) and health education attention condition (HEAC) were delivered using the telephone.ResultsImprovements in depression, negative affect, stress, fatigue, and spiritual well-being were significantly higher for survivors in the HEAC than for those in the TIP-C condition. Partners in the HEAC condition showed significantly greater improvements in depression, fatigue, social support from family members, social well-being, and spiritual well-being compared to partners in the TIP-C condition. The results revealed superior outcomes for those assigned to the HEAC intervention.ConclusionsThe psychosocial interventions in this study were effective in maintaining or improving the QOL for prostate cancer survivors and their partners. Both the survivor and their intimate partner or family member benefitted from the interventions. Future research is needed to determine the optimal timing and client characteristics for each intervention.

The validity and reliability of a Spanish version of the summary of diabetes self-care activities questionnaire

Background: Translation of data collection instruments, paying careful attention to equivalency between the source and the target language, is important to obtain valid data collection instruments. Objective: To translate the Summary of Diabetes Self-Care Activities (SDSCA) questionnaire (English) into Spanish and to evaluate the reliability and validity of the Spanish version. Methods: Translation and back-translation were used to develop the Spanish version of the SDSCA. The Spanish version of the SDSCA was reviewed by an expert panel for conceptual and content equivalence to the English version. Psychometric properties were assessed further by combining data from three studies that used the Spanish version as a data collection instrument. Results: Correlation of each item of the Spanish and English version of the SDSCA instrument ranged from .78 to 1.00, with no variability in the responses of 2 of the 12 items. Test-retest correlations for the SDSCA ranged from .51 to 1.00. Internal consistency (Cronbachs alpha) for the Spanish version was .68. Items loaded on three factors, with the factors accounting for 61% of the variance in SDSCA. Discussion: The findings for the psychometric properties of the Spanish version of the SDSCA questionnaire suggest that it has conceptual and content equivalency with the original English version and is valid and reliable. However, further testing with larger samples is required.

Telephone-delivered health education and interpersonal counseling improve quality of life for Latinas with breast cancer and their supportive partners.

This study aims to test two telephone‐delivered interventions for their efficacy in improving quality of life (QOL) (psychological, physical, social, and spiritual) among Latinas with breast cancer and their family members or friends (labeled supportive partners in this study).

Health-illness transition experiences among Mexican immigrant women with diabetes.

Multiple and complex health–illness transitions are required for successful diabetes self-management. Diabetes health–illness transitions influence the daily lives and interactions of Mexican immigrant women with diabetes. This article reports the findings from an intervention study designed to facilitate the health–illness transition in Mexican immigrant women with type 2 diabetes who reside in the Arizona-Sonora region of the US–Mexico border. There was a significant (P < 0.001) increase from preintervention to postintervention in diabetes knowledge and diabetes self-efficacy and a significant decrease (P ≤ 0.001) in psychosocial and health-related behavior problems.

Behavioral Adjustment of Children and Adolescents With Cancer: Teacher, Parent, and Self-Report

PURPOSE/OBJECTIVES To describe behavioral adjustment in children and adolescents with acute lymphoblastic leukemia (ALL) and to determine whether behavioral adjustment is correlated with cognitive and academic abilities. DESIGN Descriptive, cross-sectional design. SETTING Two pediatric oncology treatment centers. SAMPLE 47 children and adolescents who had been receiving ALL therapy for at least one year or who were off therapy for no more than three years and their parents and teachers. Wechsler Intelligence Scale for Children-Revised (WISC-R) and Wide Range Achievement Test-Revised (WRAT-R) data were available on a subset of 17 subjects. METHODS Parent, teacher, and self-report Behavioral Assessment System for Children (BASC) ratings were used to measure behavioral adjustment. WISC-R measured cognitive abilities, and WRAT-R measured academic abilities. Demographic, family, and treatment-related data also were collected. MAIN RESEARCH VARIABLES Behavioral adjustment and cognitive and academic abilities. FINDINGS At least 20% of teacher ratings for somatization, learning problems, leadership, and study skills; parent ratings for somatization, adaptability, attention problems, withdrawal, anxiety, social skills, and depression; and self-report ratings for anxiety and attitude to school were in the at-risk range (i.e., presence of significant problems that require treatment). The majority of teacher BASC ratings were correlated significantly with WISC-R and WRAT-R scores. Self-report depression and social stress ratings were correlated significantly with some WISC-R and WRAT-R scores. Treatment-related experiences such as body image alterations and mental and emotional problems were associated with problematic behaviors, including depression, somatization, withdrawal, and social stress. CONCLUSIONS Youth with ALL are at risk for some behavioral adjustment problems, particularly anxiety, somatization, adaptability, attention, and withdrawal. Cognitive and academic abilities are associated with some dimensions of behavioral adjustment. IMPLICATIONS FOR NURSING Findings suggest the need for ongoing assessment of behavioral adjustment and cognitive and academic abilities of children with ALL. Behavioral interventions that target at-risk mannerisms, such as somatization, depression, anxiety, and social stress, are needed. Central nervous system treatment may contribute to behavioral adjustment problems, as well as to cognitive and academic problems. Strategies to improve academic abilities also may have a positive effect on behavioral adjustment.

OXIDATIVE CHANGES IN CEREBRAL SPINAL FLUID PHOSPHATIDYLCHOLINE DURING TREATMENT FOR ACUTE LYMPHOBLASTIC LEUKEMIA

Central nervous system (CNS) treatment contributes to improved long-term disease-free survival from childhood acute lymphoblastic leukemia (ALL) by sigificantly decreasing the rate of disease relapse. Methotrexate (MTX), a drug commonly used for CNS treatment, has been associated with cognitive and academic problems, white-matter changes, perfusion defects, and brain atrophy. This study investigated oxidative stress as a possible mechanism of chemotherapyinduced CNS injury. Unoxidized and oxidized components of phosphatidylcholine (PC), the most prevalent phospholipid in CNS cellular membranes, were measured in cerebral spinal fluid (CSF) samples obtained from 21 children diagnosed with low (n = 7), standard (n= 7), or high (n= 7) risk ALL. Children with high-risk ALL received the most MTX, especially during the most intensive phase of treatment (consolidation). Phospholipids were extracted from CSF samples obtained at diagnosis and during the induction, consolidation, and continuation treatment phases. Unoxidized and oxidized PC were measured by normalphase high-performance liquid chromatography at 2 ultraviolet wavelengths (206 and 234 nm, respectively). Data were analyzed by 2-way repeated-measures analysis of variance. Results support the hypotheses that the highest levels of oxidized PC would be observed during the most intensive phase of ALL therapy and in the high-risk ALL group. Findings provide preliminary evidence for chemotherapy-induced oxidative stress inCNSmembrane phospholipids.

Caregiving burden, acculturation, familism, and Mexican American elders' use of home care services.

Caregiving burden has been shown to predict use of home care services among Anglo Americans. In a previous study, only one of two dimensions of caregiving burden predicted such use among Mexican American caregivers. Because acculturation and familism may affect burden, we conducted analyses to test three hypotheses: increased acculturation decreases familism; decreased familism increases burden; and increased burden increases use of home care services. Among 140 Mexican American family caregivers, acculturation was positively correlated with familism; familism was not significantly correlated with burden; objective burden was positively correlated with use of home care services, and objective and subjective burden significantly interacted in their effect on the use of home care services. Targeted interventions may be needed to increase use of home care services and preserve the well-being of Mexican American elders and caregivers.

Methotrexate-Induced Alterations in Beta-Oxidation Correlate With Cognitive Abilities in Children With Acute Lymphoblastic Leukemia

Treatment advances, including central nervous system (CNS) treatment with methotrexate, have led to significant gains in disease-free survival from childhood acute lymphoblastic leukemia (ALL). However, methotrexate has been associated with neurological problems such as declines in cognitive and academic abilities. The purpose of this study was to investigate methotrexate-induced changes in beta-oxidation in children with ALL receiving methotrexate for CNS treatment. Specific aims were to investigate effects of methotrexate on beta-oxidation of the two most prevalent fatty acids (palmitic acid and stearic acid) in cerebrospinal fluid (CSF) samples and correlate the ratio of monounsaturation to saturation of these fatty acids with cognitive and academic abilities. The sample included 12 females and 14 males with low-risk (n = 7), standard-risk ( n = 13), or high-risk (n = 6) ALL. Mean age at diagnosis was 94.1 months (SD = 34.4). CSF samples were obtained in conjunction with diagnostic lumbar punctures; subsequent samples were obtained prior to intrathecal methotrexate administration during the induction, consolidation, and continuation phases of treatment. Fatty acids were analyzed by gas chromatography. Results showed a significant increase in the ratio of monounsaturation to saturation of both fatty acids, which was greatest during the most intensive phase of treatment. Ratios of monounsaturated to saturated fatty acids were negatively correlated with full-scale IQ, verbal IQ, and math calculations. Findings suggest that methotrexate alters beta-oxidation and that the resulting increase in fatty acid monounsaturation is related to declines in some domains of cognitive ability.