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1.
Proc Natl Acad Sci U S A ; 121(39): e2411428121, 2024 Sep 24.
Artículo en Inglés | MEDLINE | ID: mdl-39284068

RESUMEN

Long COVID occurs in a small but important minority of patients following COVID-19, reducing quality of life and contributing to healthcare burden. Although research into underlying mechanisms is evolving, immunity is understudied. SARS-CoV-2-specific T cell responses are of key importance for viral clearance and COVID-19 recovery. However, in long COVID, the establishment and persistence of SARS-CoV-2-specific T cells are far from clear, especially beyond 12 mo postinfection and postvaccination. We defined ex vivo antigen-specific B cell and T cell responses and their T cell receptors (TCR) repertoires across 2 y postinfection in people with long COVID. Using 13 SARS-CoV-2 peptide-HLA tetramers, spanning 11 HLA allotypes, as well as spike and nucleocapsid probes, we tracked SARS-CoV-2-specific CD8+ and CD4+ T cells and B-cells in individuals from their first SARS-CoV-2 infection through primary vaccination over 24 mo. The frequencies of ORF1a- and nucleocapsid-specific T cells and B cells remained stable over 24 mo. Spike-specific CD8+ and CD4+ T cells and B cells were boosted by SARS-CoV-2 vaccination, indicating immunization, in fully recovered and people with long COVID, altered the immunodominance hierarchy of SARS-CoV-2 T cell epitopes. Meanwhile, influenza-specific CD8+ T cells were stable across 24 mo, suggesting no bystander-activation. Compared to total T cell populations, SARS-CoV-2-specific T cells were enriched for central memory phenotype, although the proportion of central memory T cells decreased following acute illness. Importantly, TCR repertoire composition was maintained throughout long COVID, including postvaccination, to 2 y postinfection. Overall, we defined ex vivo SARS-CoV-2-specific B cells and T cells to understand primary and recall responses, providing key insights into antigen-specific responses in people with long COVID.


Asunto(s)
Linfocitos T CD8-positivos , COVID-19 , Receptores de Antígenos de Linfocitos T , SARS-CoV-2 , Humanos , Linfocitos T CD8-positivos/inmunología , SARS-CoV-2/inmunología , COVID-19/inmunología , Receptores de Antígenos de Linfocitos T/inmunología , Receptores de Antígenos de Linfocitos T/metabolismo , Epítopos de Linfocito T/inmunología , Glicoproteína de la Espiga del Coronavirus/inmunología , Persona de Mediana Edad , Masculino , Femenino , Síndrome Post Agudo de COVID-19 , Fenotipo , Linfocitos B/inmunología , Memoria Inmunológica/inmunología , Proteínas de la Nucleocápside de Coronavirus/inmunología , Anciano
3.
JAMA Oncol ; 2024 Aug 22.
Artículo en Inglés | MEDLINE | ID: mdl-39172479

RESUMEN

Importance: Olaparib is a poly(adenosine diphosphate-ribose) polymerase inhibitor that provides benefit in combination with hormonal therapies in patients with metastatic prostate cancer who harbor homologous recombination repair (HRR) alterations. Its efficacy in the absence of androgen deprivation therapy has not been tested. Objective: To determine the activity of olaparib monotherapy among patients with high-risk biochemically recurrent (BCR) prostate cancer after radical prostatectomy. Design, Setting, and Participants: This phase 2, single-arm nonrandomized controlled trial enrolled genetically unselected patients across 4 sites in the US from May 2017 to November 2022. Eligible patients had BCR disease following radical prostatectomy, a prostate-specific antigen (PSA) doubling time of 6 months or shorter, an absolute PSA value of 1.0 ng/mL or higher, and a testosterone level of 150 ng/dL or higher. Intervention: Treatment was with olaparib, 300 mg, by mouth twice daily until doubling of the baseline PSA, clinical or radiographic progression, or unacceptable toxic effects. Main Outcome and Measure: The primary end point was a confirmed 50% or higher decline in PSA from baseline (PSA50). Key secondary end points were outcomes by HRR alteration status, as well as safety and tolerability. Results: Of the 51 male patients enrolled (mean [SD] age, 63.8 [6.8] years), 13 participants (26%) had a PSA50 response, all within the HRR-positive group (13 of 27 participants [48%]). All 11 participants with BRCA2 alterations experienced a PSA50 response. Common adverse events were fatigue in 32 participants (63%), nausea in 28 (55%), and leukopenia in 22 (43%), and were consistent with known adverse effects of olaparib. Conclusions and Relevance: In this nonrandomized controlled trial, olaparib monotherapy led to high and durable PSA50 response rates in patients with BRCA2 alterations. Olaparib warrants further study as a treatment strategy for some patients with BCR prostate cancer but does not have sufficient activity in those without HRR alterations and should not be considered for those patients. Trial Registration: ClinicalTrials.gov Identifier: NCT03047135.

4.
J Am Pharm Assoc (2003) ; : 102174, 2024 Aug 10.
Artículo en Inglés | MEDLINE | ID: mdl-39127948

RESUMEN

BACKGROUND: Pre-exposure prophylaxis (PrEP) is highly effective at reducing the risk of human immunodeficiency virus (HIV) acquisition in at-risk individuals; however, it is largely underutilized. The Veterans Health Administration has created an HIV PrEP dashboard to identify at-risk veterans in attempt to increase PrEP enrollment. OBJECTIVE: This study aimed to determine whether the use of an HIV PrEP dashboard would prove effective at increasing PrEP enrollment at a single facility. METHODS: This was a single-center quality improvement project. Three pharmacists used the HIV PrEP dashboard and retrospective chart review to identify eligible patients for PrEP. A multimodal process of contacting patients was conducted. The primary objective was to evaluate the number of patients who enrolled in PrEP during the study period. Secondary objectives included evaluating the ability of the HIV PrEP dashboard to identify eligible patients, identify effective strategies to target PrEP enrollment, and compare those patients who accepted with those who declined PrEP to evaluate barriers to enrollment. RESULTS: Of the 94 patients reviewed, 26 patients (27.7%) were found eligible for PrEP. Of the eligible patients, 3 patients (11.5%) were enrolled, and 7 patients (26.9%) declined PrEP. The others were lost to follow-up (9 of 26, 34.6%), had no action taken on a chart note to provider (6 of 26, 23.1%), or did not have a primary care provider assigned at the local facility (1 of 26, 3.9%). The 3 patients who were successfully enrolled in PrEP were all contacted and prescribed PrEP through the infectious diseases (ID) clinic. There were no statistically significant differences between the cohorts of patients who accepted and declined PrEP. CONCLUSIONS: The use of an HIV PrEP dashboard aided in identifying eligible patients for PrEP. Enrollment through the ID clinic was the most successful modality. Further research is needed to characterize barriers to PrEP uptake and to develop strategies to increase prescribing from non-ID providers.

5.
JAMIA Open ; 7(3): ooae079, 2024 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-39156047

RESUMEN

Objective: Hospital at Home (HaH) programs currently lack decision support tools to help efficiently navigate the complex decision-making process surrounding HaH as a care option. We assessed user needs and perspectives to guide early prototyping and co-creation of 4PACS (Partnering Patients and Providers for Personalized Acute Care Selection), a decision support app to help patients make an informed decision when presented with discrete hospitalization options. Methods: From December 2021 to January 2022, we conducted semi-structured interviews via telephone with patients and caregivers recruited from Atrium Health's HaH program and physicians and a nurse with experience referring patients to HaH. Interviews were evaluated using thematic analysis. The findings were synthesized to create illustrative user descriptions to aid 4PACS development. Results: In total, 12 stakeholders participated (3 patients, 2 caregivers, 7 providers [physicians/nurse]). We identified 4 primary themes: attitudes about HaH; 4PACS app content and information needs; barriers to 4PACS implementation; and facilitators to 4PACS implementation. We characterized 3 user descriptions (one per stakeholder group) to support 4PACS design decisions. User needs included patient selection criteria, clear program details, and descriptions of HaH components to inform care expectations. Implementation barriers included conflict between app recommendations and clinical judgement, inability to adequately represent patient-risk profile, and provider burden. Implementation facilitators included ease of use, auto-populating features, and appropriate health literacy. Conclusions: The findings indicate important information gaps and user needs to help inform 4PACS design and barriers and facilitators to implementing 4PACS in the decision-making process of choosing between hospital-level care options.

6.
Contemp Clin Trials ; 145: 107667, 2024 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-39159806

RESUMEN

BACKGROUND: Emerging adult (EA) cannabis use is associated with increased risk for health consequences. Just-in-time adaptive interventions (JITAIs) provide potential for preventing the escalation and consequences of cannabis use. Powered by mobile devices, JITAIs use decision rules that take the person's state and context as input, and output a recommended intervention (e.g., alternative activities, coping strategies). The mHealth literature on JITAIs is nascent, with additional research needed to identify what intervention content to deliver when and to whom. METHODS: Herein we describe the protocol for a pilot study testing the feasibility and acceptability of a micro-randomized trial for optimizing MiWaves mobile intervention app for EAs (ages 18-25; target N = 120) with regular cannabis use (≥3 times per week). Micro-randomizations will be determined by a reinforcement learning algorithm that continually learns and improves the decision rules as participants experience the intervention. MiWaves will prompt participants to complete an in-app twice-daily survey over 30 days and participants will be micro-randomized twice daily to either: no message or a message [1 of 6 types varying in length (short, long) and interaction type (acknowledge message, acknowledge message + click additional resources, acknowledge message + fill in the blank/select an option)]. Participants recruited via social media will download the MiWaves app, and complete screening, baseline, weekly, post-intervention, and 2-month follow-up assessments. Primary outcomes include feasibility and acceptability, with additional exploratory behavioral outcomes. CONCLUSION: This study represents a critical first step in developing an effective mHealth intervention for reducing cannabis use and associated harms in EAs.


Asunto(s)
Aplicaciones Móviles , Telemedicina , Humanos , Proyectos Piloto , Adulto , Adulto Joven , Adolescente , Masculino , Femenino , Uso de la Marihuana , Estudios de Factibilidad , Proyectos de Investigación , Adaptación Psicológica
7.
Nat Commun ; 15(1): 7358, 2024 Aug 27.
Artículo en Inglés | MEDLINE | ID: mdl-39191745

RESUMEN

Whole virion inactivated vaccine CoronaVac (C) and Spike (S) mRNA BNT162b2 (B) vaccines differ greatly in their ability to elicit neutralizing antibodies but have somewhat comparable effectiveness in protecting from severe COVID-19. We conducted further analyses for a randomized trial (Cobovax study, NCT05057169) of third dose homologous and heterologous booster vaccination, i.e. four interventions CC-C, CC-B, BB-C and BB-B. Here, we assess vaccine immunogenicity beyond neutralizing function, including S and non-S antibodies with Fc receptor (FcR) binding, antibody avidity and T cell specificity to 6 months post-vaccination. Ancestral and Omicron S-specific IgG and FcR binding are significantly higher by BNT162b2 booster than CoronaVac, regardless of first doses. Nucleocapsid (N) antibodies are only increased in homologous boosted CoronaVac participants (CC-C). CoronaVac primed participants have lower baseline S-specific CD4+ IFNγ+ cells, but are significantly increased by either CoronaVac or BNT162b2 boosters. Priming vaccine content defined T cell peptide specificity preference, with S-specific T cells dominating B primed groups and non-S structural peptides contributing more in C primed groups, regardless of booster type. S-specific CD4+ T cell responses, N-specific antibodies, and antibody effector functions via Fc receptor binding may contribute to protection and compensate for less potent neutralizing responses in CoronaVac recipients.


Asunto(s)
Anticuerpos Neutralizantes , Anticuerpos Antivirales , Vacuna BNT162 , Vacunas contra la COVID-19 , COVID-19 , Receptores Fc , SARS-CoV-2 , Glicoproteína de la Espiga del Coronavirus , Vacunas de Productos Inactivados , Vacunas de ARNm , Humanos , SARS-CoV-2/inmunología , Vacunas contra la COVID-19/inmunología , Vacunas contra la COVID-19/administración & dosificación , COVID-19/prevención & control , COVID-19/inmunología , Receptores Fc/inmunología , Anticuerpos Antivirales/inmunología , Anticuerpos Neutralizantes/inmunología , Vacuna BNT162/inmunología , Vacuna BNT162/administración & dosificación , Vacunas de Productos Inactivados/inmunología , Vacunas de Productos Inactivados/administración & dosificación , Vacunas de ARNm/inmunología , Glicoproteína de la Espiga del Coronavirus/inmunología , Femenino , Inmunización Secundaria , Inmunogenicidad Vacunal , Adulto , Linfocitos T/inmunología , Masculino , Inmunoglobulina G/inmunología , Persona de Mediana Edad
8.
Cancers (Basel) ; 16(16)2024 Aug 19.
Artículo en Inglés | MEDLINE | ID: mdl-39199649

RESUMEN

The IMbrave150 trial established atezolizumab with bevacizumab (A+B) as standard care for hepatocellular carcinoma (HCC), recommending an esophagogastroduodenoscopy (EGD) within 6 months of treatment initiation to prevent bleeding from esophagogastric varices. The necessity of mandatory EGD for all patients remains unclear. We retrospectively analyzed 112 HCC patients treated with A+B at five Canadian cancer centers from 1 July 2020 to 31 August 2022. A+B was the first-line therapy for 90% of patients, with median overall survival at 20.3 months and progression-free survival at 9.6 months. There was no survival difference between patients with bleeding and those without. Before A+B, 71% (n = 79) of patients underwent an EGD within 6 months, revealing varices in 41% (n = 32) and requiring intervention in 19% (n = 15). The overall bleeding rate was 15% (n = 17), with GI-specific bleeding occurring in 5% (n = 17). In the EGD group, GI-specific bleeding was 6% (n = 5) while in the non-EGD group, it was 3% (n = 1). Non-GI bleeding was observed in 10% (n = 11) of patients. Outcomes for HCC patients treated with A+B in Canada were comparable to IMbrave150. There was no increase in GI bleeding in patients without pre-treatment EGD, possibly supporting a selective EGD approach.

9.
Pharmacoepidemiol Drug Saf ; 33(7): e5853, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38973415

RESUMEN

BACKGROUND: Adverse drug events (ADEs) are a frequent cause of injury in patients. Our aim was to assess whether pharmacist interventions compared with no pharmacist intervention results in reduced ADEs and potential adverse drug events (PADEs). METHODS: We searched MEDLINE, Embase, and two other databases through September 19, 2022 for any RCT assessing the effect of a pharmacist intervention compared with no pharmacist intervention and reporting on ADEs or PADEs. The risk of bias was assessed using the Cochrane tool for RCTs. A random-effects model was used to pool summary results from individual RCTs. RESULTS: Fifteen RCTs met the inclusion criteria. The pooled results showed a statistically significant reduction in ADE associated with pharmacist intervention compared with no pharmacist intervention (RR = 0.86; [95% CI 0.80-0.94]; p = 0.0005) but not for PADEs (RR = 0.79; [95% CI 0.47-1.32]; p = 0.37). The heterogeneity was insignificant (I2 = 0%) for ADEs and substantial (I2 = 77%) for PADEs. Patients receiving a pharmacist intervention were 14% less likely for ADE than those who did not receive a pharmacist intervention. The estimated number of patients needed to prevent one ADE across all patient locations was 33. CONCLUSIONS: To our knowledge, this is the first systematic review and meta-analysis of RCTs seeking to understand the association of pharmacist interventions with ADEs and PADEs. The risk of having an ADE is reduced by a seventh for patients receiving a pharmacist care intervention versus no such intervention. The estimated number of patients needed to be followed across all patient locations to prevent one preventable ADE across all patient locations is 33.


Asunto(s)
Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos , Farmacéuticos , Rol Profesional , Humanos , Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos/prevención & control , Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos/epidemiología , Farmacéuticos/organización & administración , Ensayos Clínicos Controlados Aleatorios como Asunto
10.
Am J Public Health ; 114(8): 785-788, 2024 08.
Artículo en Inglés | MEDLINE | ID: mdl-38870434

RESUMEN

In June 2022, Alabama legalized fentanyl test strips (FTS). In response to this new opportunity to prevent overdoses, Project Linkage, Education, and Prevention (LEAP)-an academic-community partnership providing substance use prevention services-quickly purchased FTS and started distributing them in the Birmingham area. We describe how the Addiction Prevention Coalition, a substance use education and harm reduction provider, distributed 7300 FTS in the first year of legalization via Project LEAP and discuss its efforts to decrease substance use among young people. (Am J Public Health. 2024;114(8):785-788. https://doi.org/10.2105/AJPH.2024.307681).


Asunto(s)
Fentanilo , Humanos , Alabama , Sobredosis de Droga/prevención & control , Analgésicos Opioides , Relaciones Comunidad-Institución , Trastornos Relacionados con Opioides/prevención & control , Reducción del Daño
11.
Hosp Pharm ; 59(4): 411-414, 2024 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-38919756

RESUMEN

Purpose: Cefepime is an antibiotic associated with cefepime induced neurotoxicity (CIN), particularly in those with reduced renal function, or in cases of inappropriate medication dosing. This report describes a case of CIN associated with a change in infusion duration from 180 to30 minutes, which to the best of our knowledge has not been previously reported in the literature. Summary: A 73-year old male was treated with extended infusion cefepime over 180 minutes while hospitalized with recurrent pneumonia. On discharge, cefepime was continued as outpatient parenteral antimicrobial therapy (OPAT) administered over 30 minutes. The patient began to experience symptoms of neurotoxicity after 1 day of receiving OPAT, which subsequently led to a readmission as neurological symptoms worsened. Cefepime was discontinued and symptoms resolved within 48 hours. Renal function was stable throughout treatment and no other causes for neurotoxicity were noted. Conclusion: This is a unique case of CIN secondary to shortened infusion time, which is clinically relevant, particularly during transitions of care. Further investigation, including more widespread use of therapeutic drug monitoring will be beneficial to further elucidate the relationship between infusion time and CIN development.

12.
Open Forum Infect Dis ; 11(5): ofae231, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38813257

RESUMEN

Injection-related infections continue to rise, particularly in the South. People who inject drugs are increasingly utilizing hospital services for serious injection-related infections but may be discharged to areas without harm reduction services. We explored the availability and travel time to services for HIV and substance use in Alabama.

13.
Psychol Addict Behav ; 2024 Apr 25.
Artículo en Inglés | MEDLINE | ID: mdl-38661657

RESUMEN

OBJECTIVE: While social networks influence individuals with substance use disorders (SUDs), the mechanisms for such influence are under-explored among women who use drugs. This study triangulates the perspectives of criminal justice professionals, SUD treatment professionals, and women with past and current experiences with substance use to explore these dynamics. METHOD: We conducted semistructured interviews (N = 42) in 2022 with women with current or past opioid use disorder (n = 20), SUD treatment professionals (n = 12), and criminal justice professionals (n = 10) who work with women with opioid use disorder. Interviews centered around participants' backgrounds, perceived barriers and facilitators to medications for opioid use disorder (MOUD) treatment, and gender-specific issues in MOUD treatment. All interviews were audio-recorded, transcribed, and deidentified. We used a four-step qualitative data analysis process to code transcripts. RESULTS: Across these participants' accounts, we identified mechanisms by which women's social networks influenced their opioid use trajectories: intergenerational substance use, family support and strain, intimate partner influence, and peer support and pressure. Overall, the emergent themes in the present study reflect the embedded nature of support within social systems. Women who had access to and engaged with various forms of social support tended to be those who use/used MOUD and self-identified as in recovery. CONCLUSIONS: Combining MOUD treatment with psychosocial interventions allows women to heal from trauma, learn effective coping skills, and receive valuable resources to support recovery. Interventions focusing on family resilience and peer recovery support can disrupt the cycle of addiction and promote MOUD treatment success. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

14.
Cancer Med ; 13(7): e6966, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38572962

RESUMEN

OBJECTIVE: Examine the influence of household income on health-related quality of life (HRQOL) among children with newly diagnosed acute myeloid leukemia (AML). DESIGN: Secondary analysis of data prospectively collected from pediatric patients receiving treatment for AML at 14 hospitals across the United States. EXPOSURE: Household income was self-reported on a demographic survey. The examined mediators included the acuity of presentation and treatment toxicity. OUTCOME: Caregiver proxy reported assessment of patient HRQOL from the Peds QL 4.0 survey. RESULT: Children with AML (n = 131) and caregivers were prospectively enrolled to complete PedsQL assessments. HRQOL scores were better for patients in the lowest versus highest income category (mean ± SD: 76.0 ± 14 household income <$25,000 vs. 59.9 ± 17 income ≥$75,000; adjusted mean difference: 11.2, 95% CI: 2.2-20.2). Seven percent of enrolled patients presented with high acuity (ICU-level care in the first 72 h), and 16% had high toxicity (any ICU-level care); there were no identifiable differences by income, refuting mediating roles in the association between income and HRQOL. Enrolled patients were less likely to be Black/African American (9.9% vs. 22.2%), more likely to be privately insured (50.4% vs. 40.7%), and more likely to have been treated on a clinical trial (26.7% vs. 18.5%) compared to eligible unenrolled patients not enrolled. Evaluations of potential selection bias on the association between income and HRQOL suggested differences in HRQOL may be smaller than observed or even in the opposing direction. CONCLUSIONS: While primary analyses suggested lower household income was associated with superior HRQOL, differential participation may have biased these results. Future studies should partner with patients/families to identify strategies for equitable participation in clinical research.


Asunto(s)
Equidad en Salud , Leucemia Mieloide Aguda , Niño , Humanos , Leucemia Mieloide Aguda/epidemiología , Leucemia Mieloide Aguda/terapia , Calidad de Vida , Sesgo de Selección , Encuestas y Cuestionarios , Ensayos Clínicos como Asunto
15.
AIDS Patient Care STDS ; 38(5): 230-237, 2024 05.
Artículo en Inglés | MEDLINE | ID: mdl-38669122

RESUMEN

Sexual history screening (SHS) is recommended to determine risk for acquisition of human immunodeficiency virus (HIV) and eligibility for pre-exposure prophylaxis (PrEP). SHS and PrEP are underutilized, sequential screening, and prevention practices. This study aimed to understand factors impacting the implementation of SHS and PrEP at a multi-site federally qualified health center (FQHC) in Connecticut. Guided by the Consolidated Framework for Implementation Research, semistructured interviews were conducted on Zoom with primary care providers (PCPs), medical assistants, clinical leadership, and PrEP navigators. Convenience and purposive sampling took place via email until thematic saturation was achieved. Thematic analysis was conducted. Twenty-two participants were interviewed for this study. PCPs lacked knowledge and reported limited or no use of SHS to determine patients' level of HIV risk, which may explain why most PCPs relied on patients to request PrEP. While PCPs perceived organizational support to prescribe PrEP, clinical staff were unaware of structural resources. Lastly, participants described a vertical trajectory of influence from external sources (policies and insurance) to time allocated to appointments that limits their ability to implement SHS and PrEP, further complicated by the electronic health record and disparities in structural resources across clinical sites. This study provides foundational evidence for future research on implementation strategies to improve HIV prevention through universal, comprehensive SHS to identify patients for PrEP. Overcoming barriers to SHS and PrEP, particularly in clinical settings such as FQHCs that care for vulnerable populations, may improve identification, prevention, and treatment of HIV and aid in ending the HIV epidemic.


Asunto(s)
Infecciones por VIH , Tamizaje Masivo , Profilaxis Pre-Exposición , Humanos , Infecciones por VIH/prevención & control , Infecciones por VIH/diagnóstico , Infecciones por VIH/epidemiología , Femenino , Masculino , Connecticut/epidemiología , Tamizaje Masivo/métodos , Adulto , Fármacos Anti-VIH/administración & dosificación , Fármacos Anti-VIH/uso terapéutico , Persona de Mediana Edad , Entrevistas como Asunto , Investigación Cualitativa , Anamnesis , Conocimientos, Actitudes y Práctica en Salud , Atención Primaria de Salud , Conducta Sexual , Accesibilidad a los Servicios de Salud , Actitud del Personal de Salud
16.
Am J Hematol ; 99(7): 1230-1239, 2024 07.
Artículo en Inglés | MEDLINE | ID: mdl-38654461

RESUMEN

Venous thromboembolism (VTE) poses a significant risk to cancer patients receiving systemic therapy. The generalizability of pan-cancer models to lymphomas is limited. Currently, there are no reliable risk prediction models for thrombosis in patients with lymphoma. Our objective was to create a risk assessment model (RAM) specifically for lymphomas. We performed a retrospective cohort study to develop Fine and Gray sub-distribution hazard model for VTE and pulmonary embolism (PE)/ lower extremity deep vein thrombosis (LE-DVT) respectively in adult lymphoma patients from the Veterans Affairs national healthcare system (VA). External validations were performed at the Harris Health System (HHS) and the MD Anderson Cancer Center (MDACC). Time-dependent c-statistic and calibration curves were used to assess discrimination and fit. There were 10,313 (VA), 854 (HHS), and 1858 (MDACC) patients in the derivation and validation cohorts with diverse baseline. At 6 months, the VTE incidence was 5.8% (VA), 8.2% (HHS), and 8.8% (MDACC), respectively. The corresponding estimates for PE/LE-DVT were 3.9% (VA), 4.5% (HHS), and 3.7% (MDACC), respectively. The variables in the final RAM included lymphoma histology, body mass index, therapy type, recent hospitalization, history of VTE, history of paralysis/immobilization, and time to treatment initiation. The RAM had c-statistics of 0.68 in the derivation and 0.69 and 0.72 in the two external validation cohorts. The two models achieved a clear differentiation in risk stratification in each cohort. Our findings suggest that easy-to-implement, clinical-based model could be used to predict personalized VTE risk for lymphoma patients.


Asunto(s)
Linfoma , Tromboembolia Venosa , Humanos , Estudios Retrospectivos , Linfoma/complicaciones , Linfoma/epidemiología , Persona de Mediana Edad , Femenino , Masculino , Anciano , Medición de Riesgo , Tromboembolia Venosa/etiología , Tromboembolia Venosa/epidemiología , Adulto , Embolia Pulmonar/etiología , Embolia Pulmonar/epidemiología , Trombosis de la Vena/etiología , Trombosis de la Vena/epidemiología , Factores de Riesgo , Incidencia , Anciano de 80 o más Años
17.
Addict Sci Clin Pract ; 19(1): 22, 2024 03 26.
Artículo en Inglés | MEDLINE | ID: mdl-38528590

RESUMEN

BACKGROUND: Hospitalization is a "reachable moment" for people who inject drugs (PWID), but preventive care including HIV testing, prevention and treatment is rarely offered within inpatient settings. METHODS: We conducted a multisite, retrospective cohort study of patients with opioid use disorder with infectious complications of injection drug use hospitalized between 1/1/2018-12/31/2018. We evaluated HIV care continuum outcomes using descriptive statistics and hypothesis tests for intergroup differences. RESULTS: 322 patients were included. Of 300 patients without known HIV, only 2 had a documented discussion of PrEP, while only 1 was prescribed PrEP on discharge. Among the 22 people with HIV (PWH), only 13 (59%) had a viral load collected during admission of whom all were viremic and 10 (45%) were successfully linked to care post-discharge. Rates of readmission, Medicaid or uninsured status, and unstable housing were high in both groups. DISCUSSION: We observed poor provision of HIV testing, PrEP and other HIV services for hospitalized PWID across multiple U.S. medical centers. Future initiatives should focus on providing this group with comprehensive HIV testing and treatment services through a status neutral approach.


Asunto(s)
Fármacos Anti-VIH , Infecciones por VIH , Profilaxis Pre-Exposición , Abuso de Sustancias por Vía Intravenosa , Humanos , Fármacos Anti-VIH/uso terapéutico , Abuso de Sustancias por Vía Intravenosa/complicaciones , Abuso de Sustancias por Vía Intravenosa/epidemiología , Abuso de Sustancias por Vía Intravenosa/terapia , Cuidados Posteriores , Estudios Retrospectivos , Infecciones por VIH/diagnóstico , Infecciones por VIH/prevención & control , Infecciones por VIH/complicaciones , Alta del Paciente , Prueba de VIH , Hospitalización
18.
Transl Vis Sci Technol ; 13(3): 12, 2024 Mar 01.
Artículo en Inglés | MEDLINE | ID: mdl-38488431

RESUMEN

Purpose: To evaluate the diagnostic performance of a robotically aligned optical coherence tomography (RAOCT) system coupled with a deep learning model in detecting referable posterior segment pathology in OCT images of emergency department patients. Methods: A deep learning model, RobOCTNet, was trained and internally tested to classify OCT images as referable versus non-referable for ophthalmology consultation. For external testing, emergency department patients with signs or symptoms warranting evaluation of the posterior segment were imaged with RAOCT. RobOCTNet was used to classify the images. Model performance was evaluated against a reference standard based on clinical diagnosis and retina specialist OCT review. Results: We included 90,250 OCT images for training and 1489 images for internal testing. RobOCTNet achieved an area under the curve (AUC) of 1.00 (95% confidence interval [CI], 0.99-1.00) for detection of referable posterior segment pathology in the internal test set. For external testing, RAOCT was used to image 72 eyes of 38 emergency department patients. In this set, RobOCTNet had an AUC of 0.91 (95% CI, 0.82-0.97), a sensitivity of 95% (95% CI, 87%-100%), and a specificity of 76% (95% CI, 62%-91%). The model's performance was comparable to two human experts' performance. Conclusions: A robotically aligned OCT coupled with a deep learning model demonstrated high diagnostic performance in detecting referable posterior segment pathology in a cohort of emergency department patients. Translational Relevance: Robotically aligned OCT coupled with a deep learning model may have the potential to improve emergency department patient triage for ophthalmology referral.


Asunto(s)
Aprendizaje Profundo , Humanos , Retina
19.
Cancer Med ; 13(5): e7069, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38466021

RESUMEN

BACKGROUND: Personal history of cancer is an independent risk factor for lung cancer but is omitted from existing lung cancer screening eligibility criteria. In this study, we assess the lung cancer risk among cancer survivors and discuss potential implications for screening. METHODS: This was a retrospective, secondary analysis of data from the Surveillance, Epidemiology and End Results (SEER) registry and the MD Anderson Cancer Center (MDACC). We estimated the standardized incidence ratios (SIRs) for lung cancer by site of first primary cancer using data from SEER. We assessed the lung cancer risk among head and neck cancer survivors from MDACC using cumulative incidence and compared the risk ratios (RR) by individuals' screening eligibility status. RESULTS: Other than first primary lung cancer (SIR: 5.10, 95% CI: 5.01-5.18), cancer survivors in SEER with personal history of head and neck cancer (SIR: 3.71, 95% CI: 3.63-3.80) had the highest risk of developing second primary lung cancer, followed by bladder (SIR: 1.86, 95% CI: 1.81-1.90) and esophageal cancers (SIR: 1.78, 95% CI: 1.61-1.96). Head and neck cancer survivors had higher risk to develop lung cancer compared to the National Lung Screening Trial's subjects, (781 vs. 572 per 100,000 person-years, respectively). Head and neck cancer survivors ineligible for lung cancer screening seen at MDACC had significantly higher lung cancer risk than head and neck cancer survivors from SEER (RR: 1.9, p < 0.001). CONCLUSION: Personal history of cancer, primarily head and neck cancer, is an independent risk factor for lung cancer and may be considered as an eligibility criterion in future lung cancer screening recommendations.


Asunto(s)
Neoplasias Esofágicas , Neoplasias Pulmonares , Neoplasias Primarias Secundarias , Humanos , Detección Precoz del Cáncer , Neoplasias Pulmonares/diagnóstico , Neoplasias Pulmonares/epidemiología , Estudios Retrospectivos , Neoplasias Primarias Secundarias/diagnóstico , Neoplasias Primarias Secundarias/epidemiología , Factores de Riesgo , Pulmón
20.
Contemp Clin Trials ; 139: 107464, 2024 04.
Artículo en Inglés | MEDLINE | ID: mdl-38307224

RESUMEN

Dental disease continues to be one of the most prevalent chronic diseases in the United States. Although oral self-care behaviors (OSCB), involving systematic twice-a-day tooth brushing, can prevent dental disease, this basic behavior is not sufficiently practiced. Recent advances in digital technology offer tremendous potential for promoting OSCB by delivering Just-In-Time Adaptive Interventions (JITAIs)- interventions that leverage dynamic information about the person's state and context to effectively prompt them to engage in a desired behavior in real-time, real-world settings. However, limited research attention has been given to systematically investigating how to best prompt individuals to engage in OSCB in daily life, and under what conditions prompting would be most beneficial. This paper describes the protocol for a Micro-Randomized Trial (MRT) to inform the development of a JITAI for promoting ideal OSCB, namely, brushing twice daily, for two minutes each time, in all four dental quadrants (i.e., 2x2x4). Sensors within an electric toothbrush (eBrush) will be used to track OSCB and a matching mobile app (Oralytics) will deliver on-demand feedback and educational information. The MRT will micro-randomize participants twice daily (morning and evening) to either (a) a prompt (push notification) containing one of several theoretically grounded engagement strategies or (b) no prompt. The goal is to investigate whether, what type of, and under what conditions prompting increases engagement in ideal OSCB. The results will build the empirical foundation necessary to develop an optimized JITAI that will be evaluated relative to a suitable control in a future randomized controlled trial.


Asunto(s)
Aplicaciones Móviles , Enfermedades Estomatognáticas , Humanos , Salud Bucal , Autocuidado , Ensayos Clínicos Controlados Aleatorios como Asunto
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