Dataset Information

Management of newly treated diabetes in Medicare beneficiaries with and without heart failure.

ABSTRACT:

Background

Several diabetes mellitus (DM) therapies are associated with worse heart failure (HF) outcomes, yet limited data exist characterizing routine DM management based on HF status.

Hypothesis

DM medications prescribed for patients with HF will differ in meaningful ways from patients without HF, and co-morbidities will impact the choice of medications prescribed.

Methods

Using Medicare fee-for-service claims data, we identified patients with newly treated DM between 2008 and 2011 and used multivariable logistic regression to assess associations between baseline HF status and DM medication use. We used the cumulative incidence function to describe outcomes at 1 year by HF status and DM medication use.

Results

Of 35 603 patients with newly treated DM, 8965 (25.2%) had HF at baseline. Patients with HF had greater comorbidity, including renal dysfunction. After adjustment for baseline covariates, patients with HF had higher odds of initiation on insulin monotherapy (odds ratio: 1.72, 95% confidence interval: 1.59-1.87, P < 0.001) and lower odds of initiation on metformin (odds ratio: 0.66, 95% confidence interval: 0.62-0.71, P < 0.001) compared with patients without HF. Cumulative incidence of 1-year mortality was higher among patients with HF than among those without (22.4% vs 6.4%) and highest among those prescribed insulin.

Conclusions

Patients with HF were more likely to be initiated on insulin monotherapy than were patients without HF, who were more likely to be initiated on metformin. Studies of comparative effectiveness and safety are needed for DM treatment options in patients with comorbid HF.

SUBMITTER: Cooper LB

PROVIDER: S-EPMC6490426 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Publications

Management of newly treated diabetes in Medicare beneficiaries with and without heart failure.

Cooper Lauren B LB Mi Xiaojuan X Mentz Robert J RJ Green Jennifer B JB Anstrom Kevin J KJ Hernandez Adrian F AF Curtis Lesley H LH

Clinical cardiology 20161026 1

<h4>Background</h4>Several diabetes mellitus (DM) therapies are associated with worse heart failure (HF) outcomes, yet limited data exist characterizing routine DM management based on HF status.<h4>Hypothesis</h4>DM medications prescribed for patients with HF will differ in meaningful ways from patients without HF, and co-morbidities will impact the choice of medications prescribed.<h4>Methods</h4>Using Medicare fee-for-service claims data, we identified patients with newly treated DM between 20 ...[more]

PMID: 27783884

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Project description:Diabetes mellitus, heart failure (HF), and chronic kidney disease are common comorbidities, but overall use and safety of antihyperglycemic medications (AHMs) among patients with these comorbidities are poorly understood.Using Get With the Guidelines-Heart Failure and linked Medicare Part D data, we assessed AHM use within 90 days of hospital discharge among HF patients with diabetes mellitus discharged from Get With the Guidelines-Heart Failure hospitals between January 1, 2006, and October 1, 2011. We further summarized use by renal function and assessed renal contraindicated AHM use for patients with estimated glomerular filtration rate <30 mL/min/1.73m(2). Among 8791 patients meeting inclusion criteria, the median age was 77 (interquartile range 71-83), 62.3% were female, median body mass index was 29.7 (interquartile range 25.5-35.3), median hemoglobin A1c was 6.8 (interquartile range 6.2-7.8), and 34% had ejection fraction <40%. 74.9% of patients filled a prescription for an AHM, with insulin (39.5%), sulfonylureas (32.4%), and metformin (17%) being the most commonly used AHMs. Insulin use was higher and sulfonylurea/metformin use was lower among patients with lower renal function classes. Among 1512 patients with estimated glomerular filtration rate <30 mL/min/1.73m(2), 35.4% filled prescriptions for renal contraindicated AHMs per prescribing information, though there was a trend toward lower renal contraindicated AHM use over time (Cochran-Mantel-Haenszel row-mean score test P=0.048). Although use of other AHMs was low overall, thiazolidinediones were used in 6.6% of HF patients, and dipeptidyl peptidase-4 inhibitors were used in 5.1%, with trends for decreasing thiazolidinedione use and increased dipeptidyl peptidase-4 inhibitor use over time (P<0.001).Treatment of diabetes mellitus in patients with HF and chronic kidney disease is complex, and these patients are commonly treated with renal contraindicated AHMs, including over 6% receiving a thiazolidinedione, despite known concerns regarding HF. More research regarding safety and efficacy of various AHMs among HF patients is needed.

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Project description:ImportanceDespite advances in treatment and care quality for patients hospitalized with heart failure (HF), minimal improvement in mortality has been observed after HF hospitalization since 2010.ObjectiveTo evaluate trends in mortality rates across specific intervals after hospitalization.Design, setting, and participantsThis cohort study evaluated a random sample of Medicare fee-for-service beneficiaries with incident HF hospitalization from January 1, 2008, to December 31, 2018. Data were analyzed from February 2023 to May 2024.Main outcomes and measuresUnadjusted mortality rates were calculated by dividing the number of all-cause deaths by the number of patients with incident HF hospitalization for the following periods: in-hospital, 30 days (0-30 days after hospital discharge), short term (31 days to 1 year after discharge), intermediate term (1-2 years after discharge), and long term (2-3 years after discharge). Each period was considered separately (ie, patients who died during one period were not counted in subsequent periods). Annual unadjusted and risk-adjusted mortality ratios were calculated (using logistic regression to account for differences in patient characteristics), defined as observed mortality divided by expected mortality based on 2008 rates.ResultsA total of 1 256 041 patients (mean [SD] age, 83.0 [7.6] years; 56.0% female; 86.0% White) were hospitalized with incident HF. There was a substantial decrease in the mortality ratio for the in-hospital period (unadjusted ratio, 0.77; 95% CI, 0.67-0.77; risk-adjusted ratio, 0.74; 95% CI, 0.71-0.76). For subsequent periods, mortality ratios increased through 2013 and then decreased through 2018, resulting in no reductions in unadjusted postdischarge mortality during the full study period (30-day mortality ratio, 0.94; 95% CI, 0.82-1.06; short-term mortality ratio, 1.02; 95% CI, 0.87-1.17; intermediate-term mortality ratio, 0.99; 95% CI, 0.79-1.19; and long-term mortality ratio, 0.96; 95% CI, 0.76-1.16) and small reductions in risk-adjusted postdischarge mortality during the full study period (30-day mortality ratio, 0.88; 95% CI, 0.86-0.90; short-term mortality ratio, 0.94; 95% CI, 0.94-0.95; intermediate-term mortality ratio, 0.94; 95% CI, 0.92-0.95; and long-term mortality ratio, 0.95; 95% CI, 0.93-0.96).Conclusions and relevanceIn this study of Medicare fee-for-service beneficiaries, there was a substantial decrease in in-hospital mortality for patients hospitalized with incident HF from 2008 to 2018, but little to no reduction in mortality for subsequent periods up to 3 years after hospitalization. These results suggest opportunities to improve longitudinal outpatient care for patients with HF after hospital discharge.

Dataset Information

Management of newly treated diabetes in Medicare beneficiaries with and without heart failure.

Background

Hypothesis

Methods

Results

Conclusions

Publications

Management of newly treated diabetes in Medicare beneficiaries with and without heart failure.

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