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1.
Blood Adv ; 2024 May 29.
Article En | MEDLINE | ID: mdl-38809136

Guidelines recommend transfer to adult healthcare within six months of completing pediatric care, however this has not been studied in sickle cell (SCD). We hypothesized that longer transfer gaps are associated with increased resource utilization. Transfer gaps were defined as the time between the last pediatric and first adult visits. We estimated the association between varying transfer gaps and the rate of inpatient, emergency department (ED), and outpatient visits using negative binomial regression. Healthcare utilization was evaluated in a mid-south comprehensive program for a follow-up period of up to eight years (2012-2020) and also restricted to the first two years of adult healthcare. In total, 183 young adults (YAs) with SCD (51% male, 67% HbSS/HbSß0-thalassemia) transferred to adult healthcare between 2012-2018. YAs with transfer gaps ≥6 months compared to <2 months had 2.01 (95%CI: 1.31, 3.11) times the rate of hospitalizations in the 8-year follow-up and 1.89 (95%CI: 1.17, 3.04) when restricted to the first two years of adult healthcare. In the first two years of adult care, those with transfer gaps ≥6 months compared to <2 months, had 1.75 (95%CI: 1.10, 2.80) times the rate of ED encounters. Those with gaps ≥2 to <6 months compared to <2 months had 0.71 (95%CI: 0.53, 0.95) times the rate of outpatient visits. Among YAs with SCD, a longer transfer gap was associated with increased inpatient and decreased outpatient encounters in adult healthcare and more ED encounters in the first two years of adult healthcare. Strategies to reduce transfer gaps are needed.

2.
Eur J Haematol ; 112(3): 466-474, 2024 Mar.
Article En | MEDLINE | ID: mdl-38019026

Hydroxyurea reduces the frequency of vaso-occlusive complications, increases hemoglobin, and decreases mortality in sickle cell disease (SCD). Although current guidelines recommend escalation to maximum tolerated dose (MTD), the use of fixed low-dose hydroxyurea is common in low-resource countries. We conducted a systematic review and meta-analysis to evaluate the efficacy of escalated doses versus fixed low-dose of hydroxyurea in adults with SCD. Nine studies were included in the quantitative synthesis, four evaluating fixed low-dose and five evaluating escalated doses of hydroxyurea. Average daily doses of hydroxyurea in the fixed low-dose and escalated dose studies were ~10 and 22 mg/kg, respectively. There was no difference in the estimate of vaso-occlusive crisis rate between escalated and fixed low-dose studies (p = .73). The mean difference in hemoglobin from baseline to follow-up was greater for fixed low-dose than escalated dose studies (1.07 g/dL vs. 0.54 g/dL, p = .01). No difference was seen in the mean estimate of fetal hemoglobin. Despite limited eligible studies and substantial heterogeneity of effect between the studies for several outcomes, there appears to be clinical equipoise regarding the most appropriate hydroxyurea dosing regimen in adults with SCD. Controlled studies of hydroxyurea at MTD versus fixed low-dose in adults with SCD are required.


Anemia, Sickle Cell , Hydroxyurea , Adult , Humans , Hydroxyurea/adverse effects , Antisickling Agents/adverse effects , Anemia, Sickle Cell/complications , Anemia, Sickle Cell/diagnosis , Anemia, Sickle Cell/drug therapy , Fetal Hemoglobin , Hemoglobins/analysis
3.
Br J Haematol ; 202(3): 669-673, 2023 08.
Article En | MEDLINE | ID: mdl-37189288

We explored the association of novel urinary biomarkers with albumin-creatinine ratio (ACR) in adults with sickle cell anaemia. Of 37 participants, 13 (35.2%) had persistent albuminuria (PA). Urinary levels of clusterin (p = 0.002), retinol-binding protein 4 (p = 0.008), alpha-1 microglobulin (p = 0.002) and angiotensinogen (p = 0.006) were significantly higher in participants with PA than in those without PA. Although univariate analysis showed significant associations between both alpha-1 microglobulin (p = 0.035) and angiotensinogen (p = 0.0021) with ACR, only angiotensinogen was associated with ACR in multivariable analysis (p = 0.04). Our results suggest that urinary angiotensinogen may identify sickle cell anaemia patients at risk for kidney disease.


Anemia, Sickle Cell , Kidney Diseases , Humans , Adult , Angiotensinogen/urine , Albuminuria/urine , Kidney Diseases/urine , Biomarkers/urine , Creatinine/urine
4.
Pediatr Blood Cancer ; 70(6): e30319, 2023 06.
Article En | MEDLINE | ID: mdl-36975201

BACKGROUND: Sickle cell disease (SCD) is an inherited blood disorder that results in serious morbidity and early mortality. Novel therapies for SCD, most notably genetic therapies (GTs) and HLA-mismatched donor hematopoietic cell transplantation, are in clinical trials. While potentially curative, these interventions are some of the most intensive treatments for SCD and are associated with serious and life-altering side effects, which may manifest several years after treatment. Little is known about knowledge, beliefs, and attitudes of individuals with SCD, or their caregivers, toward existing and these emerging therapies. METHODS: Patients with SCD at least 13 years of age (n = 66) and caregivers (n = 38) were surveyed about knowledge, attitudes, and beliefs surrounding treatments for SCD. RESULTS: Only 4.8% felt "extremely knowledgeable" about GT for SCD while the majority (63.4%) reported little knowledge. Overall, health literacy was low among respondents. Most respondents had a neutral attitude regarding the safety of GT for SCD, and whether it was a good treatment for the disorder (56.7% and 58.6%, respectively). Only a few respondents endorsed the idea that GT was "unsafe" or "not a good treatment" (5.8% and 4.8%, respectively). There was an association between increasing knowledge about GT and agreement that it is safe (p = .012) and a good treatment for SCD (p = .031). CONCLUSIONS: Given that very few patients with SCD feel knowledgeable about GT and a majority have neutral feelings about the safety and utility of this new approach, culturally appropriate patient-centered education is urgently needed as these treatments get regulatory approval and proceed to the clinic.


Anemia, Sickle Cell , Hematopoietic Stem Cell Transplantation , Humans , Caregivers , Anemia, Sickle Cell/complications , Health Knowledge, Attitudes, Practice , Genetic Therapy
5.
Blood Adv ; 7(13): 3058-3068, 2023 Jul 11.
Article En | MEDLINE | ID: mdl-35476017

Burnout is prevalent throughout medicine. Few large-scale studies have examined the impact of physician compensation or clinical support staff on burnout among hematologists and oncologists. In 2019, the American Society of Hematology conducted a practice survey of hematologists and oncologists in the AMA (American Medical Association) Masterfile; burnout was measured using a validated, single-item burnout instrument from the Physician Work-Life Study, while satisfaction was assessed in several domains using a 5-point Likert scale. The overall survey response rate was 25.2% (n = 631). Of 411 respondents with complete responses in the final analysis, 36.7% (n = 151) were from academic practices and 63.3% (n = 260) from community practices; 29.0% (n = 119) were female. Over one-third (36.5%; n = 150) reported burnout, while 12.0% (n = 50) had a high level of burnout. In weighted multivariate logistic regression models incorporating numerous variables, compensation plans based entirely on relative value unit (RVU) generation were significantly associated with high burnout among academic and community physicians, while the combination of RVU + salary compensation showed no significant association. Female gender was associated with high burnout among academic physicians. High advanced practice provider utilization was inversely associated with high burnout among community physicians. Distinct patterns of career dissatisfaction were observed between academic and community physicians. We propose that the implementation of compensation models not based entirely on clinical productivity increased support for women in academic medicine, and expansion of advanced practice provider support in community practices may address burnout among hematologists and oncologists.


Burnout, Professional , Oncologists , Physicians , United States/epidemiology , Humans , Female , Male , Job Satisfaction , Burnout, Professional/epidemiology , Surveys and Questionnaires
6.
JCO Oncol Pract ; 18(4): e586-e599, 2022 04.
Article En | MEDLINE | ID: mdl-34990292

PURPOSE: Graduate medical and research training has drastically changed during the COVID-19 pandemic, with widespread implementation of virtual learning, redeployment from core rotations to the care of patients with COVID-19, and significant emotional and physical stressors. The specific experience of hematology-oncology (HO) fellows during the COVID-19 pandemic is not known. METHODS: We conducted a mixed-methods study using a survey of Likert-style and open-ended questions to assess the training experience and well-being of HO fellows, including both clinical and postdoctoral trainee members of the American Society of Hematology and ASCO. RESULTS: A total of 2,306 surveys were distributed by e-mail; 548 (23.8%) fellows completed the survey. Nearly 40% of fellows felt that they had not received adequate mental health support during the pandemic, and 22% reported new symptoms of burnout. Pre-existing burnout before the pandemic, COVID-19-related clinical work, and working in a primary research or nonclinical setting were associated with increased burnout on multivariable logistic regression. Qualitative thematic analysis of open-ended responses revealed significant concerns about employment after training completion, perceived variable quality of virtual education and board preparation, loss of clinical opportunities to prepare for independent clinical practice, inadequate grant funding opportunities in part because of shifting research priorities, variable productivity, and mental health or stress during the pandemic. CONCLUSION: HO fellows have been profoundly affected by the pandemic, and our data illustrate multiple avenues for fellowship programs and national organizations to support both clinical and postdoctoral trainees.


Burnout, Professional , COVID-19 , Hematology , Burnout, Professional/epidemiology , COVID-19/complications , COVID-19/epidemiology , Education, Medical, Graduate , Hematology/education , Humans , Medical Oncology/education , Pandemics
7.
Blood Adv ; 3(21): 3278-3286, 2019 11 12.
Article En | MEDLINE | ID: mdl-31698456

As the adult hematology and oncology fellowship training pathways have merged in the United States and concerns have arisen about the aging of practicing hematologists, the American Society of Hematology and hematology education leaders are looking to improve their understanding of the factors that contribute to fellows' plans to enter hematology-only careers. With the support of the American Society of Hematology, we collected and analyzed data from a survey of hematology/oncology fellows (n = 626) to examine the relationship between training and mentorship experiences and fellows' plans to enter hematology-only careers. Fellows who planned to enter hematology-only careers were significantly more likely to report having clinical training and mentorship experiences in hematology throughout their training relative to fellows with oncology-only or combined hematology/oncology career plans. After controlling for prior interest in hematology and demographic characteristics, exposure to hematology patients in medical school and fellowship, hematology research experiences, and hematology mentorship (research collaboration and career coaching) were positively and significantly associated with hematology-only career plans. These findings suggest that increasing opportunities for exposure to hematology patients, research opportunities and mentors throughout training could be helpful in building a strong pipeline of potential hematologists.


Career Choice , Fellowships and Scholarships , Hematology/education , Medical Oncology/education , Mentors , Humans , Logistic Models , Surveys and Questionnaires
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