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These Annals of Internal Medicine results only contain recent articles.

Sodium–Glucose Cotransporter-2 Inhibitors and the Risk for Dialysis and Cardiovascular Disease in Patients With Stage 5 Chronic Kidney Disease

Background: No studies have reported the long-term outcomes of initiating sodium–glucose cotransporter-2 inhibitors (SGLT2is) in patients with estimated glomerular filtration rates less than 20 mL/min/1.73 m2 to predialysis. Objective: To compare the risk for dialysis, cardiovascular events, and death between SGLT2i users and nonusers in patients with type 2 diabetes (T2D) and stage 5 chronic kidney disease (CKD). Design: Target trial emulation study. Setting: Taiwan’s National Health Insurance Research Database (NHIRD). Participants: By applying sequential target trial emulation principle, 23 854 SGLT2i users and 23 892 SGLT2i nonusers were selected from the NHIRD for patients with T2D and stage 5 CKD from 1 May 2016 to 31 October 2021. Measurements: Conditional Cox proportional hazards models were used to compare the risks for dialysis, hospitalization for heart failure, acute myocardial infarction (AMI), diabetic ketoacidosis (DKA), acute kidney injury (AKI), and all-cause mortality between SGLT2i users and nonusers. Results: In the intention-to-treat model, compared with no SGLT2i use, SGLT2i use was associated with lower risks for dialysis (hazard ratio [HR], 0.34 [95% CI, 0.27 to 0.43]), hospitalization for heart failure (HR, 0.80 [CI, 0.73 to 0.86]), AMI (HR, 0.61 [CI, 0.52 to 0.73]), DKA (HR, 0.78 [CI, 0.71 to 0.85]), and AKI (HR, 0.80 [CI, 0.70 to 0.90]), but there was no difference in the risk for all-cause mortality (HR, 1.11 [CI, 0.99 to 1.24]). The Kaplan–Meier curves and subgroup analyses also showed that initiation of an SGLT2i in stage 5 CKD was associated with a lower risk for long-term dialysis than no SGLT2i use. Limitation: This result may not apply to patients without T2D. Conclusion: This emulated target trial showed that SGLT2i use was associated with a lower risk for dialysis, cardiovascular events, DKA, and AKI than no SGLT2i use in patients with T2D and stage 5 CKD. Primary Funding Source: National Health Research Institutes, Taiwan.

Would You Screen This Patient for Cognitive Impairment?: Grand Rounds Discussion From Beth Israel Deaconess Medical Center: Annals of Internal Medicine: Vol 176, No 10

Dementia, according to the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, is defined by a significant decline in 1 or more cognitive domains that interferes with a person’s independence in daily activities. Mild cognitive impairment (MCI) differs from dementia in that the impairment is not sufficient to interfere with independence. For the purposes of this discussion, cognitive impairment (CI) includes both dementia and MCI. Various screening tests are available for CI. These tests ask patients to perform a series of tasks that assess 1 or more domains of cognitive function or ask a caregiver to report on the patient’s abilities. A positive result on a screening test does not equate to a diagnosis of CI; rather, it should lead to additional testing to confirm the diagnosis. On review of the evidence, the U.S. Preventive Services Task Force (USPSTF) concluded in 2020 that the evidence was insufficient to assess the balance of benefits and harms of screening for CI in older adults (“I statement”). The USPSTF did clarify that although there is insufficient evidence, there may be important reasons to identify CI. In this article, 2 experts review the available evidence to answer the following questions: What screening tools are available, and how effective are they in identifying patients with CI? What interventions are available for patients found to have CI, to what extent do they improve patient outcomes, and what, if any, negative effects occur? And, would they recommend screening for CI, and why or why not?

Effectiveness of Existing Insomnia Therapies for Patients Undergoing Hemodialysis: A Randomized Clinical Trial: Annals of Internal Medicine: Vol 177, No 2

Background: Chronic insomnia is common in patients undergoing in-center hemodialysis, yet there is limited evidence on effective treatments for this population. Objective: To compare the effectiveness of cognitive behavioral therapy for insomnia (CBT-I), trazodone, and placebo for insomnia in patients undergoing long-term hemodialysis. Design: Randomized, multicenter, double-blinded, placebo-controlled trial. (ClinicalTrials.gov: NCT03534284) Setting: 26 dialysis units in Albuquerque, New Mexico, and Seattle, Washington. Participants: Patients with Insomnia Severity Index (ISI) score of 10 or greater, with sleep disturbances on 3 or more nights per week for 3 or more months. Intervention: Participants were randomly assigned to 6 weeks of CBT-I, trazodone, or placebo. Measurements: The primary outcome was the ISI score at 7 and 25 weeks from randomization. Results: A total of 923 patients were prescreened, and of the 411 patients with chronic insomnia, 126 were randomly assigned to CBT-I (n = 43), trazodone (n = 42), or placebo (n = 41). The change in ISI scores from baseline to 7 weeks with CBT-I or trazodone was no different from placebo: CBT-I, −3.7 (95% CI, −5.5 to −1.9); trazodone, −4.2 (CI, −5.9 to −2.4); and placebo, −3.1 (CI, −4.9 to −1.3). There was no meaningful change in ISI scores from baseline to 25 weeks: CBT-I, −4.8 (CI, −7.0 to −2.7); trazodone, −4.0 (CI, −6.0 to −1.9); and placebo, −4.3 (CI, −6.4 to −2.2). Serious adverse events (SAEs), particularly serious cardiovascular events, were more frequent with trazodone (annualized cardiovascular SAE incidence rates: CBT-I, 0.05 [CI, 0.00 to 0.29]; trazodone, 0.64 [CI, 0.34 to 1.10]; and placebo, 0.21 [CI, 0.06 to 0.53]). Limitation: Modest sample size and most participants had mild or moderate insomnia. Conclusion: In patients undergoing hemodialysis with mild or moderate chronic insomnia, there was no difference in the effectiveness of 6 weeks of CBT-I or trazodone compared with placebo. The incidence of SAEs was higher with trazodone. Primary Funding Source: National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Diseases.