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Hematology & Oncology

A collection of hematology and oncology activities in the Online Learning Center.

Hematology

A collection of educational materials in the Online Learning Center.

Heart Failure

A collection of educational materials in the Online Learning Center.

Health Promotion, Screening, & Prevention

A collection of activities in the Online Learning Center.

Health Information Technology

A collection of educational materials in the Online Learning Center.

Health Equity

A collection of activities in the Online Learning Center.

Gynecologic Cancer

A collection of educational materials in the Online Learning Center.

Gonadal Disorders

A collection of educational materials in the Online Learning Center.

Glucose Metabolism Disorders

A collection of educational materials in the Online Learning Center.

Geriatric Medicine

A collection of activities in the Online Learning Center.

These Annals of Internal Medicine results only contain recent articles.

Reducing Care Overuse in Older Patients Using Professional Norms and Accountability: A Cluster Randomized Controlled Trial: Annals of Internal Medicine: Vol 177, No 3

Background: Effective strategies are needed to curtail overuse that may lead to harm. Objective: To evaluate the effects of clinician decision support redirecting attention to harms and engaging social and reputational concerns on overuse in older primary care patients. Design: 18-month, single-blind, pragmatic, cluster randomized trial, constrained randomization. (ClinicalTrials.gov: NCT04289753) Setting: 60 primary care internal medicine, family medicine and geriatrics practices within a health system from 1 September 2020 to 28 February 2022. Participants: 371 primary care clinicians and their older adult patients from participating practices. Intervention: Behavioral science–informed, point-of-care, clinical decision support tools plus brief case-based education addressing the 3 primary clinical outcomes (187 clinicians from 30 clinics) were compared with brief case-based education alone (187 clinicians from 30 clinics). Decision support was designed to increase salience of potential harms, convey social norms, and promote accountability. Measurements: Prostate-specific antigen (PSA) testing in men aged 76 years and older without previous prostate cancer, urine testing for nonspecific reasons in women aged 65 years and older, and overtreatment of diabetes with hypoglycemic agents in patients aged 75 years and older and hemoglobin A1c (HbA1c) less than 7%. Results: At randomization, mean clinic annual PSA testing, unspecified urine testing, and diabetes overtreatment rates were 24.9, 23.9, and 16.8 per 100 patients, respectively. After 18 months of intervention, the intervention group had lower adjusted difference-in-differences in annual rates of PSA testing (−8.7 [95% CI, −10.2 to −7.1]), unspecified urine testing (−5.5 [CI, −7.0 to −3.6]), and diabetes overtreatment (−1.4 [CI, −2.9 to −0.03]) compared with education only. Safety measures did not show increased emergency care related to urinary tract infections or hyperglycemia. An HbA1c greater than 9.0% was more common with the intervention among previously overtreated diabetes patients (adjusted difference-in-differences, 0.47 per 100 patients [95% CI, 0.04 to 1.20]). Limitation: A single health system limits generalizability; electronic health data limit ability to differentiate between overtesting and underdocumentation. Conclusion: Decision support designed to increase clinicians’ attention to possible harms, social norms, and reputational concerns reduced unspecified testing compared with offering traditional case-based education alone. Small decreases in diabetes overtreatment may also result in higher rates of uncontrolled diabetes. Primary Funding Source: National Institute on Aging.

The Effect of Practitioner Empathy on Patient Satisfaction: A Systematic Review of Randomized Trials: Annals of Internal Medicine: Vol 177, No 2

Background: Practitioners who deliver enhanced empathy may improve patient satisfaction with care. Patient satisfaction is associated with positive patient outcomes ranging from medication adherence to survival. Purpose: To evaluate the effect of health care practitioner empathy on patient satisfaction, using a systematic review of randomized trials. Data Sources: Ovid MEDLINE, CINAHL, PsycInfo, Cochrane Central Register of Controlled Trials, and Scopus to 23 October 2023. Study Selection: Randomized trials published in any language that evaluated the effect of empathy on improving patient satisfaction as measured on a validated patient satisfaction scale. Data Extraction: Data extraction, risk-of-bias assessments, and strength-of-evidence assessments were done by 2 independent reviewers. Disagreements were resolved through consensus. Data Synthesis: Fourteen eligible randomized trials (80 practitioners; 1986 patients) were included in the analysis. Five studies had high risk of bias, and 9 had some concerns about bias. The trials were heterogeneous in terms of geographic locations (North America, Europe, Asia, and Africa), settings (hospital and primary care), practitioner types (family and hospital physicians, anesthesiologists, nurses, psychologists, and caregivers), and type of randomization (individual patient or clustered by practitioner). Although all trials suggested a positive change in patient satisfaction, inadequate reporting hindered the ability to draw definitive conclusions about the overall effect size. Limitations: Heterogeneity in the way that empathy was delivered and patient satisfaction was measured and incomplete reporting leading to concerns about the certainty of the underpinning evidence. Conclusion: Various empathy interventions have been studied to improve patient satisfaction. Development, testing, and reporting of high-quality studies within well-defined contexts is needed to optimize empathy interventions that increase patient satisfaction. Primary Funding Source: Stoneygate Trust. (PROSPERO: CRD42023412981)

Cardiovascular Health of Middle-Aged U.S. Adults by Income Level, 1999 to March 2020: A Serial Cross-Sectional Study: Annals of Internal Medicine: Vol 176, No 12

Background: Although cardiovascular mortality has increased among middle-aged U.S. adults since 2011, how the burden of cardiovascular risk factors has changed for this population by income level over the past 2 decades is unknown. Objective: To evaluate trends in the prevalence, treatment, and control of cardiovascular risk factors among low-income and higher-income middle-aged adults and how social determinants contribute to recent associations between income and cardiovascular health. Design: Serial cross-sectional study. Setting: NHANES (National Health and Nutrition Examination Survey), 1999 to March 2020. Participants: Middle-aged adults (aged 40 to 64 years). Measurements: Age-standardized prevalence of hypertension, diabetes, hyperlipidemia, obesity, and cigarette use; treatment rates for hypertension, diabetes, and hyperlipidemia; and rates of blood pressure, glycemic, and cholesterol control. Results: The study population included 20 761 middle-aged adults. The prevalence of hypertension, diabetes, and cigarette use was consistently higher among low-income adults between 1999 and March 2020. Low-income adults had an increase in hypertension over the study period (37.2% [95% CI, 33.5% to 40.9%] to 44.7% [CI, 39.8% to 49.5%]) but no changes in diabetes or obesity. In contrast, higher-income adults did not have a change in hypertension but had increases in diabetes (7.8% [CI, 5.0% to 10.6%] to 14.9% [CI, 12.4% to 17.3%]) and obesity (33.0% [CI, 26.7% to 39.4%] to 44.0% [CI, 40.2% to 47.7%]). Cigarette use was high and stagnant among low-income adults (33.2% [CI, 28.4% to 38.0%] to 33.9% [CI, 29.6% to 38.3%]) but decreased among their higher-income counterparts (18.6% [CI, 13.5% to 23.7%] to 11.5% [CI, 8.7% to 14.3%]). Treatment and control rates for hypertension were unchanged in both groups (>80%), whereas diabetes treatment rates improved only among the higher-income group (58.4% [CI, 44.4% to 72.5%] to 77.4% [CI, 67.6% to 87.1%]). Income-based disparities in hypertension, diabetes, and cigarette use persisted in more recent years even after adjustment for insurance coverage, health care access, and food insecurity. Limitation: Sample size limitations could preclude detection of small changes in treatment and control rates. Conclusion: Over 2 decades in the United States, hypertension increased in low-income middle-aged adults, whereas diabetes and obesity increased in their higher-income counterparts. Income-based disparities in hypertension, diabetes, and smoking persisted even after adjustment for other social determinants of health. Primary Funding Source: National Institutes of Health.

HIV Testing and Preexposure Prophylaxis Prescriptions Among U.S. Commercially Insured Transgender Men and Women, 2014 to 2021

Background: Transgender persons are disproportionately affected by HIV, but preexposure prophylaxis (PrEP) use has been low in this population. Clinical encounters for gender-affirming hormone therapy (GAHT) provide opportunities for HIV prevention. Objective: To estimate the number of commercially insured transgender women (TGW) and transgender men (TGM) in the United States and their use of HIV prevention services. Design: Retrospective analysis of secondary data. Setting: Merative MarketScan commercial databases from 2014 to 2021. Participants: TGW and TGM, defined as those with transgender-related diagnoses and prescriptions for feminizing or masculinizing GAHT. Measurements: HIV testing and PrEP use. Results: A substantially increasing trend was observed in the prevalence of transgender-related diagnosis codes from 2014 to 2021 and in the proportion of persons who used GAHT. The increases were driven by persons aged 18 to 34 years. In 2021, among 10 613 TGW with a test for or a diagnosis of a sexually transmitted infection (STI) in the previous 12 months, 61.1% had an HIV test; among those, 20.2% were prescribed PrEP. Among 4184 TGM with STI risk, 48.3% had an HIV test; among those, 10.2% were prescribed PrEP. The prevalence of TGW and TGM who had a test for or a diagnosis of an STI, had an HIV test, and were prescribed PrEP increased substantially from 2014 to 2021. Limitation: The findings represent only persons with commercial health insurance who sought health care services for GAHT. Conclusion: It is important to identify transgender persons to monitor their receipt of HIV prevention services. Encounters for GAHT provide opportunities to offer HIV prevention and other prevention services. Many HIV prevention opportunities were likely missed at clinical encounters for GAHT. Primary Funding Source: None.

The Safety of Outpatient Health Care: Review of Electronic Health Records: Annals of Internal Medicine: Vol 177, No 6

Background: Despite considerable emphasis on delivering safe care, substantial patient harm occurs. Although most care occurs in the outpatient setting, knowledge of outpatient adverse events (AEs) remains limited. Objective: To measure AEs in the outpatient setting. Design: Retrospective review of the electronic health record (EHR). Setting: 11 outpatient sites in Massachusetts in 2018. Patients: 3103 patients who received outpatient care. Measurements: Using a trigger method, nurse reviewers identified possible AEs and physicians adjudicated them, ranked severity, and assessed preventability. Generalized estimating equations were used to assess the association of having at least 1 AE with age, sex, race, and primary insurance. Variation in AE rates was analyzed across sites. Results: The 3103 patients (mean age, 52 years) were more often female (59.8%), White (75.1%), English speakers (90.8%), and privately insured (70.4%) and had a mean of 4 outpatient encounters in 2018. Overall, 7.0% (95% CI, 4.6% to 9.3%) of patients had at least 1 AE (8.6 events per 100 patients annually). Adverse drug events were the most common AE (63.8%), followed by health care–associated infections (14.8%) and surgical or procedural events (14.2%). Severity was serious in 17.4% of AEs, life-threatening in 2.1%, and never fatal. Overall, 23.2% of AEs were preventable. Having at least 1 AE was less often associated with ages 18 to 44 years than with ages 65 to 84 years (standardized risk difference, −0.05 [CI, −0.09 to −0.02]) and more often associated with Black race than with Asian race (standardized risk difference, 0.09 [CI, 0.01 to 0.17]). Across study sites, 1.8% to 23.6% of patients had at least 1 AE and clinical category of AEs varied substantially. Limitation: Retrospective EHR review may miss AEs. Conclusion: Outpatient harm was relatively common and often serious. Adverse drug events were most frequent. Rates were higher among older adults. Interventions to curtail outpatient harm are urgently needed. Primary Funding Source: Controlled Risk Insurance Company and the Risk Management Foundation of the Harvard Medical Institutions.

Metformin Use in the First Trimester of Pregnancy and Risk for Nonlive Birth and Congenital Malformations: Emulating a Target Trial Using Real-World Data

Background: Metformin is a first-line pharmacotherapy for type 2 diabetes, but there is limited evidence about its safety in early pregnancy. Objective: To evaluate the teratogenicity of metformin use in the first trimester of pregnancy. Design: In an observational cohort of pregnant women with pregestational type 2 diabetes receiving metformin monotherapy before the last menstrual period (LMP), a target trial with 2 treatment strategies was emulated: insulin monotherapy (discontinue metformin treatment and initiate insulin within 90 days of LMP) or insulin plus metformin (continue metformin and initiate insulin within 90 days of LMP). Setting: U.S. Medicaid health care administration database (2000 to 2018). Participants: 12 489 pregnant women who met the eligibility criteria. Measurements: The risk and risk ratio of nonlive births, live births with congenital malformations, and congenital malformations among live births were estimated using standardization to adjust for covariates. Results: A total of 850 women were in the insulin monotherapy group and 1557 in the insulin plus metformin group. The estimated risk for nonlive birth was 32.7% under insulin monotherapy (reference) and 34.3% under insulin plus metformin (risk ratio, 1.02 [95% CI, 1.01 to 1.04]). The estimated risk for live birth with congenital malformations was 8.0% (CI, 5.7% to 10.2%) under insulin monotherapy and 5.7% (CI, 4.5% to 7.3%) under insulin plus metformin (risk ratio, 0.72 [CI, 0.51 to 1.09]). Limitation: Possible residual confounding by glycemic control and body mass index. Conclusion: Compared with switching to insulin monotherapy, continuing metformin and adding insulin in early pregnancy resulted in little to no increased risk for nonlive birth among women receiving metformin before pregnancy. Under conventional statistical criteria, anything between a 49% decrease and a 9% increase in risk for congenital malformations was highly compatible with our data. Primary Funding Source: National Institutes of Health.

Autoimmune Disorders Associated With Surgical Remission of Cushing’s Disease: A Cohort Study: Annals of Internal Medicine: Vol 177, No 3

Background: Glucocorticoids suppress inflammation. Autoimmune disease may occur after remission of Cushing’s disease (CD). However, the development of autoimmune disease in this context is not well described. Objective: To determine 1) the incidence of autoimmune disease in patients with CD after surgical remission compared with patients with nonfunctioning pituitary adenomas (NFPAs) and 2) the clinical presentation of and risk factors for development of autoimmune disease in CD after remission. Design: Retrospective matched cohort analysis. Setting: Academic medical center/pituitary center. Patients: Patients with CD with surgical remission and surgically treated NFPA. Measurements: Cumulative incidence of new-onset autoimmune disease at 3 years after surgery. Assessment for hypercortisolemia included late-night salivary cortisol levels, 24-hour urine free cortisol (UFC) ratio (UFC value divided by the upper limit of the normal range for the assay), and dexamethasone suppression tests. Results: Cumulative incidence of new-onset autoimmune disease at 3 years after surgery was higher in patients with CD (10.4% [95% CI, 5.7% to 15.1%]) than in those with NFPAs (1.6% [CI, 0% to 4.6%]) (hazard ratio, 7.80 [CI, 2.88 to 21.10]). Patients with CD showed higher prevalence of postoperative adrenal insufficiency (93.8% vs. 16.5%) and lower postoperative nadir serum cortisol levels (63.8 vs. 282.3 nmol/L) than patients with NFPAs. Compared with patients with CD without autoimmune disease, those who developed autoimmune disease had a lower preoperative 24-hour UFC ratio (2.7 vs. 6.3) and a higher prevalence of family history of autoimmune disease (41.2% vs. 20.9%). Limitation: The small sample of patients with autoimmune disease limited identification of independent risk factors. Conclusion: Patients achieving surgical remission of CD have higher incidence of autoimmune disease than age- and sex-matched patients with NFPAs. Family history of autoimmune disease is a potential risk factor. Adrenal insufficiency may be a trigger. Primary Funding Source: Recordati Rare Diseases Inc.

Effectiveness of Recombinant Zoster Vaccine Against Herpes Zoster in a Real-World Setting

Background: A 2-dose series of recombinant zoster vaccine (RZV) was 97% effective against herpes zoster (HZ) in a pivotal clinical trial. Objective: To evaluate real-world effectiveness of RZV against HZ. Design: Prospective cohort study. Setting: Four health care systems in the Vaccine Safety Datalink. Participants: Persons aged 50 years or older. Measurements: The outcome was incident HZ defined by a diagnosis with an antiviral prescription. Cox regression was used to estimate the hazard of HZ in vaccinated persons compared with unvaccinated persons, with adjustment for covariates. Vaccine effectiveness (VE) was calculated as 1 minus the adjusted hazard ratio and was estimated by time since the last RZV dose and by corticosteroid use. Results: The study included nearly 2.0 million persons who contributed 7.6 million person-years of follow-up. After adjustment, VE of 1 dose was 64% and VE of 2 doses was 76%. After 1 dose only, VE was 70% during the first year, 45% during the second year, 48% during the third year, and 52% after the third year. After 2 doses, VE was 79% during the first year, 75% during the second year, and 73% during the third and fourth years. Vaccine effectiveness was 65% in persons who received corticosteroids before vaccination and 77% in those who did not. Limitation: Herpes zoster could not be identified as accurately in these observational data as in the previous clinical trials. Conclusion: Two doses of RZV were highly effective, although less effective than in the previous clinical trials. Two-dose effectiveness waned very little during the 4 years of follow-up. However, 1-dose effectiveness waned substantially after 1 year, underscoring the importance of the second dose. Primary Funding Source: Centers for Disease Control and Prevention.