Publications by authors named "Allyson M Kats"

Importance: Guidelines recommend dose reduction or discontinuation of long-term opioid therapy when harm outweighs benefit, but strategies to help patients do so are limited.

Objective: To test optionally switching to buprenorphine as a strategy for improving pain and reducing opioids among patients prescribed high-dose, full agonist long-term opioid therapy.

Design, Setting, And Participants: In this pragmatic, multisite, 12-month randomized clinical trial with masked outcome assessment, patients treated at Veterans Affairs primary care clinics were recruited from October 2017 to March 2021, with follow-up completed June 2022.

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Background: Cognitive impairment and dementia are associated with higher healthcare costs; whether these increased costs are attributable to greater comorbidity burden is unknown. We sought to determine associations of cognitive impairment and dementia with subsequent total and sector-specific healthcare costs after accounting for comorbidities and to compare costs by method of case ascertainment.

Methods: Index examinations (2002-2011) of four prospective cohort studies linked with Medicare claims.

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Article Synopsis
  • Patients on long-term opioid therapy for chronic pain often still suffer from unrelieved pain and quality of life issues.
  • This study compared two approaches for managing these patients: an integrated pain team (IPT) focused on holistic care versus pharmacist collaborative management (PCM) concentrated on medication optimization.
  • Results showed similar outcomes for both groups in terms of pain response and opioid dosage reduction after 12 months, indicating that both methods can be effective in managing chronic pain.
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Article Synopsis
  • The study investigates the association between frailty, measured using the Study of Osteoporotic Fractures (SOF) phenotype, and increased healthcare costs among older adults with Medicare.
  • It analyzes data from over 8,000 community-dwelling seniors, comparing costs related to frailty as defined by the SOF and the more complex Cardiovascular Health Study (CHS) phenotype.
  • Results show that SOF phenotypic frailty is linked to significant incremental healthcare costs, comparable to those identified by the CHS phenotype, indicating the importance of recognizing frailty in clinical settings for cost management.
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Background: This study quantifies incremental healthcare expenditures of functional impairments and phenotypic frailty in specific healthcare sectors.

Methods: Pooled 2023 analysis of 4 prospective cohort studies linked with Medicare claims including 4 318 women and 3 847 men attending an index examination (2002-2011). Annualized inpatient, skilled nursing facility (SNF), home healthcare (HHC), and outpatient costs (2023 dollars) ascertained for 36 months following index examination.

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Background: Life-space mobility captures the daily, enacted mobility of older adults. We determined cross-sectional associations between life-space mobility and cognitive impairment (CI) among community-dwelling women in the 9th and 10th decades of life.

Methods: A total of 1375 (mean age 88 years; 88% White) community-dwelling women enrolled in a prospective cohort of older women.

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Background: Low neighborhood socioeconomic status is associated with adverse health outcomes, but its association with health care costs in older adults is uncertain.

Objectives: To estimate the association of neighborhood Area Deprivation Index (ADI) with total, inpatient, outpatient, skilled nursing facility (SNF), and home health care (HHC) costs among older community-dwelling Medicare beneficiaries, and determine whether these associations are explained by multimorbidity, phenotypic frailty, or functional impairments.

Design: Four prospective cohort studies linked with each other and with Medicare claims.

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Background: Health care systems need better strategies to identify older adults at risk for costly care to select target populations for interventions to reduce health care burden.

Objective: To determine whether self-reported functional impairments and phenotypic frailty are associated with incremental health care costs after accounting for claims-based predictors.

Design: Prospective cohort study.

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The Veterans' Pain Care Organizational Improvement Comparative Effectiveness (VOICE) study is a 12-month pragmatic randomized comparative effectiveness trial conducted at ten United States Veterans Affairs (VA) health care sites. The overall goal was to test interventions to improve pain while reducing opioid use among VA patients with moderate-severe chronic pain despite treatment with long-term opioid therapy (LTOT). Aims were 1) to compare lower-intensity telecare collaborative pain management (TCM) versus higher-intensity integrated pain team management (IPT), and 2) to test the option of switching to buprenorphine (versus no option) in a high-dose subgroup.

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Background: Identifying late-life men who might benefit from treatment to prevent fracture is challenging given high mortality. Our objective was to evaluate risks of clinical fracture, hip fracture, and mortality prior to fracture among men aged at least 80 years.

Methods: Study participants included 3 145 community-dwelling men (mean [standard deviation] age 83 [2.

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Objectives: To determine the association of life-space score with subsequent healthcare costs and utilization.

Design: Prospective cohort study (Osteoporotic Fracture in Men [MrOS]).

Setting: Six U.

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Prevalent vertebral fractures (PVFx) and abdominal aortic calcification (AAC) are both associated with incident fractures and can be ascertained on the same lateral spine images, but their joint association with incident fractures is unclear. Our objective was to estimate the individual and joint associations of PVFx and AAC with incident major osteoporotic, hip, and clinical vertebral fractures in 5365 older men enrolled in the Osteoporotic Fractures in Men (MrOS) Study, using Cox proportional hazards and Fine and Gray subdistribution hazards models to account for competing mortality. PVFx (Genant SQ grade 2 or 3) and 24-point AAC score were ascertained on baseline lateral spine radiographs.

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To assess the association of height loss in old age with subsequent risk of hip and any clinical fracture in men late in life while accounting for the competing risk of mortality, we used data from 3491 community-dwelling men (mean age 79.2 years). Height loss between baseline and follow-up (mean 7.

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Objectives: To determine the association of the frailty phenotype with subsequent healthcare costs and utilization.

Design: Prospective cohort study (Osteoporotic Fracture in Men [MrOS]).

Setting: Six US sites.

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Study Objectives: To estimate the association of self-reported poor sleep in multiple dimensions with health care costs in older men.

Methods: Participants were 1,413 men (mean [SD] age 76.5 [5.

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Background And Aims: Abdominal aortic calcification (AAC) and low ankle-brachial index (ABI) are markers of multisite atherosclerosis. We sought to estimate their associations in older men with health care costs and utilization adjusted for each other, and after accounting for CVD risk factors and prevalent CVD diagnoses.

Methods: This was an observational cohort study of 2393 community-dwelling men (mean age 73.

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Study Objectives: Determine the association of poor multidimensional sleep health with health-care costs and utilization.

Methods: We linked 1,459 community-dwelling women (mean age 83.6 years) participating in the Study of Osteoporotic Fractures Year 16 visit (2002-2004) with their Medicare claims.

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Study Objectives: To determine the associations of sleep-disordered breathing (SDB) with subsequent healthcare costs and utilization including inpatient and post-acute care facility stays among community-dwelling older men.

Methods: Participants were 1,316 men (mean age 76.1 [SD = 5.

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Objective: Sleep disturbance may limit improvement in pain outcomes if not directly addressed in treatment. Moreover, sleep problems may be exacerbated by opioid therapy. This study examined the effects of baseline sleep disturbance on improvement in pain outcomes using data from the Strategies for Prescribing Analgesics Comparative Effectiveness (SPACE) trial, a pragmatic 12-month randomized trial of opioid vs nonopioid medication therapy.

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Importance: Advanced age is associated with lower use of drug treatment to prevent fractures, but concerns about comorbidities and prognosis increase the complexity of managing osteoporosis in this age group.

Objective: To determine the association of disease definition, number of comorbidities, and prognosis with 5-year hip fracture probabilities among women who are 80 years and older.

Design, Setting, And Participants: This prospective cohort study (4 US sites) included 1528 community-dwelling women identified as potential candidates for initiation of osteoporosis drug treatment.

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Objectives: Depressive symptoms can be both a cause and a consequence of functional limitations and medical conditions. Our objectives were to determine the association of depressive symptoms with subsequent total healthcare costs in older women after accounting for functional limitations and multimorbidity.

Design: Prospective cohort study (Study of Osteoporotic Fractures [SOF]).

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Background Visceral adipose tissue ( VAT ) and other measures of central obesity predict incident atherosclerotic cardiovascular disease ( ASCVD ) events in middle-aged individuals, but these associations are less certain in older individuals age 70 years and older. Our objective was to estimate the associations of VAT and the android-gynoid fat mass ratio, another measure of central obesity, with incident ASCVD events among a large cohort of older men. Methods and Results Two thousand eight hundred ninety-nine men (mean [ SD ] age 76.

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Background: To examine the associations between objective physical activity measures and subsequent health care utilization.

Methods: We studied 1,283 men (mean age 79.1 years, SD 5.

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Objectives: To determine the association of the frailty phenotype with subsequent healthcare costs and utilization.

Design: Prospective cohort study (Study of Osteoporotic Fractures (SOF)).

Setting: Four U.

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