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Objectives Paid caregivers (e.g., home health aides) often work with family caregivers to support persons living with dementia at home. We identify (a) unique trajectories of paid and family caregiving support among persons living with dementia with high care needs and (b) factors associated with these trajectories. Methods We used group-based multiple trajectory modeling to identify distinct trajectories of paid and family caregiving hours among National Health and Aging Trends Study respondents with dementia who died or moved to a nursing home (n = 334, mean follow-up 5.5 years). We examined differences between trajectory groups and identified factors associated with group membership using generalized estimating equation modeling. Results A 3-group model best fit our data: (a) “low/stable care” (61.3% of respondents) with stable, low/no paid care and moderate family care, (b) “increasing paid care” with increasing, moderate paid and family care, and (c) “high family care” with increasing, high family care and stable, low paid care. While both the “increasing paid care” and “high family care” groups were more functionally impaired than the “low/stable care” group, the “high family care” group was also more likely to be non-White and experience multiple medical comorbidities, depression, and social isolation. Discussion Study findings highlight the importance of considering unique arrangements in dementia care. Receipt of paid care was not only determined by patient care needs. Creating equitable access to paid care may be a particularly important way to support both persons living with dementia and their family caregivers as care needs grow.

Objective To evaluate the association between pre-hospitalization antiplatelet medication use and COVID-19 disease severity. Design Retrospective cohort study. Setting Inpatient units at The Mount Sinai Hospital. Patients Adults age ≥18 admitted between March 1, 2020 and April 9, 2020 with confirmed COVID-19 infection with at least 28 days follow-up. Measurements We captured baseline demographic, pre-hospitalization antiplatelet medication use, and clinical encounter data for all patients who met inclusion criteria. The primary endpoint was peak score on a 6-point modified ordinal scale (MOS), which is based on World Health Organization blueprint R&S groups, used to grade severity of illness through clinical outcomes of interest. Scores indicate the following: 1 – COVID-19 infection not requiring hospitalization, 2 – requiring hospitalization but not supplemental oxygen, 3 – hospitalization requiring supplemental oxygen, 4 – hospitalization requiring high-flow nasal cannula (HFNC) or non-invasive positive pressure ventilation (NIPPV), 5 – hospitalization requiring intubation or extracorporeal membrane oxygenation (ECMO), 6 – death. Multivariable adjusted partial proportional odds model (PPOM) was performed to examine the association between pre-hospitalization antiplatelet medication use and likelihood of each MOS score. Main Results Of 762 people admitted with COVID-19, 239 (31.4%) used antiplatelet medications pre-hospitalization while 523 (68.6%) did not. Antiplatelet users were older and had more co-morbidities at baseline. Before adjusting for covariates, patients who used antiplatelet medications pre-hospitalization were more likely than non-users to have peak MOS score 6 (death, OR 1.75, 95% CI 1.21–2.52), peak MOS score ≥5 (intubation/ECMO or death, OR 1.4, 95% CI 1.00–1.98) and peak MOS score ≥4 (HFNC, NIPPV, intubation/ECMO or death, OR 1.40, 95% CI 1.01–1.94). On multivariable adjusted PPOM analysis controlling for 13 covariates, there were no longer any significant differences in peak MOS scores between users and non-users. Conclusions After adjusting for covariates, pre-hospital antiplatelet use was not associated with COVID-19 severity in hospitalized patients.

Background Improving and fostering diversity within the neurosurgical workforce has become a high priority. This cross-sectional study aims to provide data on the diversity of neurosurgical oncology faculty (NSOF) in the US. Methods All 115 neurosurgery (NS) Accreditation Council for Graduate Medical Education (ACGME) accredited programs were included in this study. The academic rank, academic and clinical title(s), gender, race, and hiring date of neurosurgical faculty with a primary focus on neurosurgical oncology (NSOF) were recorded. Geographical distribution and “top 10” programs were tabulated according to published data. Underrepresented minorities in medicine (URiM) faculty were identified according to the AAMC definition. Results The NSOF workforce constitutes 21% of the total NS faculty. Of these, 10.1% are women and 9.9% are URiM (P < .001). Currently, 58% of neurosurgery programs (NSP) do not have URiM and/or women NSOF. The top 10 ranked NSP, according to Blue Ridge Institute for Medical Research, had a significantly less URiM NSOF (P = .019) than nontop 10 ranked programs. There was a decreasing trend in the proportion of URiM at higher academic ranks (P = .019). All of the URiM department chairs (3/113)—all men—and 1/3 women department chairs nationwide subspecialized in neurosurgical oncology. Conclusions Neurosurgical oncology is a sought-after subspecialty attracting a fifth of neurosurgeons practicing in ACGME-accredited training programs. Changing demographics and the benefits of workforce diversity represent a great opportunity for our field to continue leading inclusion efforts and attracting the best and brightest.

Objective: We aimed to examine the influence of increasing levels of discussion (both asked and advised, either asked or advised but not both, and neither asked nor advised) on quit behavior. Methods: We included 4133 adult current smokers from the 2015 National Health Interview Survey. The primary outcomes were quit intent and quit attempt, and the secondary outcomes were methods used for quitting. We used an instrumental variable analysis, as well as propensity score weighted and multivariable logistic regressions. Results: Compared to no discussion, having both or only one discussion, respectively, increased quit intent (OR = 1.65, 95% CI = 1.63–1.66 and OR = 1.02, 95% CI = 0.99–1.05), quit attempt (OR = 1.76, 95% CI = 1.75–1.77 and OR = 1.60, 95% CI = 1.57–1.63). Among those who attempted to quit (n = 1536), having both or only one discussion increased the use of pharmacologic (OR = 1.99, 95% CI = 1.97–2.02 and OR = 1.56, 95% CI = 1.49–1.63) or behavioral (OR = 2.01, 95% CI = 1.94–2.08 and OR = 2.91, 95% CI = 2.74–3.08) quit methods. Conclusions: Increasing levels of provider–patient discussion encourages quit behavior, and should be an integral part of reducing the health and economic burden of smoking. Strategies that promote the adherence and compliance of providers to communicate with patients may help increase the success of smoking cessation.

Using insurance as a single indicator of healthcare access in examining the association between race/ethnicity and healthcare encounter-based interventions for smoking may not be adequate. In this study, we assessed the role of healthcare access using multifactorial measures in accounting for racial/ethnic disparities in the receipt of provider-patient discussions, defined as either being asked about smoking or advised to quit smoking by providers. We identified adult current smokers from the 2015 National Health Interview Survey. We first conducted a latent class analysis (LCA) to identify the underlying patterns of healthcare access measured by 13 indicators of healthcare access and utilization. We then used a propensity score - based weighting approach to examine racial/ethnic disparities in receiving provider-patient discussions about smoking or quitting in stratified groups by the distinct healthcare access clusters. Out of the 4134 adult current smokers who visited a doctor or a healthcare provider during the past 12 months, 3265 (79.90%) participants were classified as having high healthcare access and 869 (20.10%) participants as having low healthcare access. Compared to non-Hispanic whites, Hispanics had significantly lower odds of being asked about smoking (OR 0.46, 95% CI (0.27–0.77)) and being advised to quit (OR 0.57, 95% CI (0.34–0.97)) in the low access group, but neither association was significant in the high access group. In addition to increasing health insurance coverage, reducing other healthcare access barriers for Hispanics will likely facilitate provider-patient discussion and promote tobacco cessation among Hispanic smokers.

e12117 Background: Capecitabine has been studied as a radiosensitizer in rectal cancer, but its role in BC is unclear. Our study seeks to examine the association of concurrent capecitabine/radiation therapy (RT) on survival in women with BC and residual disease after neoadjuvant chemotherapy (NAC). Methods: In a retrospective study of women with stage I-III BC who received Adriamycin/Taxane-based NAC from 2010-2016, we identified 21 women administered concurrent capecitabine/RT. To assess differences in survival, we selected a clinical control cohort (n = 64) based on criteria used to select patients for capecitabine/RT including pathological stage II/III disease and non-HER2+ tumor subtype. We also created a matched cohort (2:1), matching on tumor subtype, pathological stage, and age ( < 50 or 50+ years). Differences in progression-free survival (PFS), using STEEP criteria, and overall survival (OS), using all-cause mortality, between those who received capecitabine/RT and controls were assessed. Results: Of the 21 women who received capecitabine/RT, the majority were 50+ years (n = 12), pathological stage III (n = 15), and hormone receptor positive/HER2 negative BC (n = 20). Compared with clinical controls, women who received capecitabine/RT had larger disease (p = 0.041) and a higher pathological stage (p = 0.067), but there were no other differences. In those receiving capecitabine/RT, there were 9 recurrences (3 local, 6 distant) compared with 14 recurrences (4 local, 10 distant) in the clinical controls and 10 recurrences (all distant) in the matched controls. In multivariate models, capecitabine/RT was associated with worse PFS (HR 3.04 95% CI 1.24-7.43 p = 0.015) and OS (HR 4.29 95% CI 1.45- 12.6 p = 0.008), after adjusting for clinical size and pathologic stage. In the 2:1 matched cohort, capecitabine/RT was also associated with worse PFS (HR 2.96 95% CI 1.20-7.29 p = 0.018) and OS (HR 5.61 95% CI 1.76-17.9 p = 0.004). Conclusions: Capecitabine/RT after NAC is associated with worse PFS and OS using two control populations, suggesting capecitabine/RT should be discouraged in BC.

BACKGROUND Serotonin transporter (5-HTT) binding and polyunsaturated fatty acids (PUFAs) are implicated in major depressive disorder (MDD). Links between the two systems in animal models have not been investigated in humans. METHODS Using positron emission tomography (PET) and [ 11 C]DASB, we studied relationships between 5-HTT binding potential and plasma levels of PUFAs docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA), and arachidonic acid (AA) in medication-free MDD patients ( n =21). PUFAs were quantified using transesterification and gas chromatography. Binding potential BP P , and alternative outcome measures BP F and BP ND , were determined for [ 11 C]DASB in six a priori brain regions of interest (ROIs) using likelihood estimation in graphical analysis (LEGA) to calculate radioligand total distribution volume (V T ), and a validated hybrid deconvolution approach (HYDECA) that estimates radioligand non-displaceable distribution volume (V ND ) without a reference region. Linear mixed models used PUFA levels as predictors and binding potential measures as outcomes across the specified ROIs; age and sex as fixed effects; and subject as random effect to account for across-region binding correlations. As nonlinear relationships were observed, a quadratic term was added to final models. RESULTS AA predicted both 5-HTT BP P and depression severity nonlinearly, described by an inverted U-shaped curve. 5-HTT binding potential mediated the relationship between AA and depression severity. LIMITATIONS Given the small sample and multiple comparisons, results require replication. CONCLUSIONS Our findings suggest that AA status may impact depression pathophysiology through effects on serotonin transport. Future studies should examine whether these relationships explain therapeutic effects of PUFAs in the treatment of MDD.