Publications by authors named "Rangaraj Gopalraj"

Importance: Depression is a common disorder that may go untreated or receive suboptimal care in primary care settings. Computer-assisted cognitive behavior therapy (CCBT) has been proposed as a method for improving access to effective psychotherapy, reducing cost, and increasing the convenience and efficiency of treatment for depression.

Objectives: To evaluate whether clinician-supported CCBT is more effective than treatment as usual (TAU) in primary care patients with depression and to examine the feasibility and implementation of CCBT in a primary care population with substantial numbers of patients with low income, limited internet access, and low levels of educational attainment.

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Background: Asthma is common in older adults and is confirmed by demonstration of variable expiratory air-flow limitations, typically evaluated by spirometric assessment of bronchodilator responsiveness. However, many patients with clinically suspected asthma and documented air-flow obstruction do not exhibit a post-bronchodilator response that meets or exceeds current established guidelines. We investigated if extending the time from bronchodilator administration to assessment of bronchodilator response increases the yield of spirometry for the diagnosis of asthma in older adults.

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The Chief Resident Immersion Training (CRIT) in the Care of Older Adults curriculum was developed at Boston University School of Medicine to improve the care of older adults through an educational intervention. The curriculum targeted chief residents (CRs) because their role as mediators between learners and faculty provides the greatest potential impact for transmitting knowledge. The goals of CRIT are to: (1) provide education on geriatric principles and on teaching/leadership skills, (2) foster interdisciplinary collaboration, and (3) complete an action project.

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Purpose Of Review: We reviewed research on computer-assisted cognitive-behavior therapy (CCBT) performed in medical settings with the goals of assessing the effectiveness of this newer method of treatment delivery, evaluating the need for clinician support of therapeutic computer programs, and making suggestions for future research and clinical implementation.

Recent Findings: The overall results of randomized, controlled trials suggest that CCBT can be an effective treatment for depression in primary care patients and health care anxiety. Also, it can be a useful component of treatment for somatic conditions including irritable bowel syndrome, diabetes, fibromyalgia, and chronic pain.

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Background: The diagnosis of asthma is not always straightforward and can be even more challenging in older adults. Asthma is ideally confirmed by demonstration of variable expiratory airflow limitation. However, many patients with asthma do not demonstrate airflow obstruction nor show bronchodilator reversibility.

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A fragmented workforce consisting of multiple disciplines with varying levels of training and limited ability to work as a team often provides care to older adults. Interprofessional education (IPE) is essential for preparing practitioners for the effective teamwork required for community-based, holistic, person-centered care of the older adults. Despite numerous programs and offerings to advance education and interdisciplinary patient care, there is an unmet need for geriatric IPE, especially as it relates to community-dwelling older adults and caregivers in medically underserved areas.

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Busy primary care providers are in the frontline and see the bulk of older adults with diabetes. This vulnerable population is more prone to diabetic complications and hypoglycemia. In contrast to the younger patients with diabetes, lifestyle interventions are even more effective in older adults while the target A1c levels may need to be more relaxed for frail individuals.

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As low-density lipoprotein receptor (LDLR) contributes to cholesterol and amyloid beta homeostasis, insights into LDLR regulation may facilitate our understanding of cardiovascular disease and Alzheimer's disease. Previously, we identified LDLR isoforms that lacked exon 12 or exons 11-12 and that are predicted to encode soluble, dominant negative, LDLR. Moreover, these isoforms were associated with rs688, an exon 12 polymorphism that was associated with LDL-cholesterol and Alzheimer's disease risk.

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Since apoE allele status is the predominant Alzheimer's disease (AD) genetic risk factor, functional single nucleotide polymorphisms (SNPs) in brain apoE receptors represent excellent candidates for association with AD. Recently, we identified a SNP, rs688, as modulating the splicing efficiency of low-density lipoprotein receptor (LDLR) exon 12 in female human liver and in minigene-transfected HepG2 cells. Moreover, the rs688T minor allele was associated with significantly higher LDL and total cholesterol in women within the Framingham Offspring Study cohort.

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Dysregulation of cholesterol homeostasis may be associated with the pathogenesis of coronary artery disease (CAD) and Alzheimers disease (AD). Recently, several single nucleotide polymorphisms (SNPs) in cholesteryl ester transfer protein (CETP) were associated with altered plasma CETP concentrations, cholesterol concentrations and CAD. Hence, these CETP SNPs represent excellent candidates for evaluating association with AD.

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The low density lipoprotein receptor (LDLR) is an attractive candidate gene for genetic association with Alzheimer's disease (AD) because: (i) the LDLR is an apolipoprotein E (apoE) receptor, alleles of which have been associated with AD, (ii) LDLR resides at chromosome 19p13.3 within a region linked to AD, and (iii) LDLR modulates the homeostasis of cholesterol, which itself appears associated with AD. Therefore, we evaluated whether LDLR haplotypes alter the odds of AD by performing an association study examining three LDLR single nucleotide polymorphisms (SNPs) in 118 AD patients and 133 non-AD subjects.

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