Integrated Health Care Delivery System Research Articles

Association of Anticoagulant Use with COVID-19 Diagnosis

BackgroundThe Coronavirus Disease 2019 (COVID-19) pandemic has challenged anticoagulation providers with providing optimal care while minimizing exposure risk, specifically in the management of patients on chronic warfarin. Here we provide data regarding our experience with managing patients on chronic anticoagulants, including warfarin, within Kaiser Permanente Northern California (KPNC), a large integrated healthcare delivery system serving more than 4 million patients.AimTo identify whether being on anticoagulation or antiplatelet agents correlates with an increased risk of contracting COVID-19.MethodsWe identified patients within KPNC electronic medical records on either warfarin, direct oral anticoagulation (DOAC) and/or antiplatelet agents between February 25 and July 3, 2020, as well as a randomly identified control group of patients not taking anticoagulation or antiplatelet. We looked for a correlation between taking anticoagulation and antiplatelets with the risk of testing positive for COVID-19.Results/ConclusionsAmong 188,438 patients on chronic anticoagulants or antiplatelets and 188,438 controls, 1,029 patients tested positive for COVID-19 during the study period. Being on chronic anticoagulants or antiplatelets was not associated with increased risk for a positive test. Patients on warfarin (N=30,242) also had no increased risk of developing COVID-19 compared to patients not on anticoagulation or antiplatelet therapy (odds ratio 0.87, 95% confidence interval 0.64-1.17). The time in the therapeutic range (TTR) of patients on warfarin during the COVID-19 pandemic remained near 72%, consistent with prior TTR, demonstrating persistent efficacy of anticoagulation despite measures to reduce COVID-19 transmission. Our data demonstrates the safety of continuing chronic warfarin in patients during the COVID-19 pandemic.DisclosuresNo relevant conflicts of interest to declare.

Learning Health System in Crisis: Lessons From the COVID-19 Pandemic

The novel coronavirus disease (COVID-19) pandemic is the gravest public-health crisis that the United States has seen in more than a century. Healthcare delivery systems are the focal point for interfacing with COVID-19; however, many were and remain unprepared for this or similar outbreaks. In this paper, we describe the Learning Health System (LHS) as an ideal organizing principle to inform an evidence-based response to public-health emergencies like COVID-19. We further describe barriers and challenges to the realization of the LHS and propose a call to action for a substantial investment in the LHS, with a focus on public health. Specifically, we advocate for a Learning Health Network that promotes collaboration between health systems, community-based organizations, and government agencies, especially during public health emergencies. We have approached this commentary through the unique lens of researchers embedded within a large, integrated healthcare delivery system, with direct experience working with clinical and operational units in response to the COVID-19 pandemic.

Assessing the knowledge, attitudes and practices regarding COVID-19 and homoeopathy among the citizens of Delhi and national capital region, India: a cross-sectional online survey

Background: Delhi and NCR of India is densely populated with access to an integrated health care delivery system, with a promoted preventive homoeopathic medicine for flu like illnesses. To assess knowledge, attitudes and practices to this unanticipated situation and infectious disease pandemic of COVID-19 continues to be a global and public health challenge.Methods: A survey was conducted. An online cross-sectional survey was conducted in a sample of the residents of Delhi and NCR using a self-prepared pilot-tested structured format. The obtained data was analysed using descriptive and inferential statistics.Results: 925 people completed the survey with 55.5% of the study group being females. Mean knowledge score obtained was 7.57±1.41 while mean attitude score was 3.27±1.31. Majority of the respondents (86%) had an adequate knowledge about the disease in general and were optimistic about recovery from the disease. Gender had negligible impact on the average knowledge score, while the score differed significantly with education and occupation. In the absence of an available vaccine, 29.47% respondents considered prophylactic potential of homoeopathy.Conclusions: Results reveal adequate knowledge and practices in the educated residents but below average mean attitude score. Public has welcomed the governmental initiative of homoeopathic prophylactic, and their belief in its therapeutic potential furthers the studies to determine its role as an adjuvant. Further extensive cross-sectional surveys to cover various strata of population are required to assess the widespread pattern of KAP in the general population.

Gestational weight gain and adverse pregnancy outcomes by pre-pregnancy BMI category in women with chronic hypertension: A cohort study.

It is important to understand relationships of gestational weight gain with adverse pregnancy outcomes in women with chronic hypertension, given their high baseline risk of adverse outcomes. We assessed associations of gestational weight gain with adverse pregnancy outcomes in women with chronic hypertension by pre-pregnancy body mass index categories. We identified 14,369 women with chronic hypertension using electronic health records from 3 integrated health care delivery systems (2005-2014). Gestational weight gain-for-gestational age charts were used to calculate gestational weight gain z-scores, which account for gestational age. Modified Poisson regression models using generalized estimating equations were used to calculate relative risks and 95% confidence intervals, adjusted for sociodemographic and medical characteristics. Preeclampsia, preterm delivery, cesarean delivery, neonatal intensive care unit admission, birthweight (extracted from the electronic health record). In women with normal weight or overweight, low gestational weight gain (z-score<-1) was associated with 27-28% greater risk of preterm delivery and 48-82% greater risk of small-for-gestational age birthweight, while high gestational weight gain (z-score>1) was associated with 40-90% greater risk of preeclampsia and 59-113% greater risk of large-for-gestational age birthweight. In women with obesity, low gestational weight gain was associated with 27-54% lower risk of several adverse pregnancy outcomes, including preeclampsia and cesarean delivery. In women with chronic hypertension and normal weight or overweight, moderate gestational weight gain may confer the lowest risk of adverse outcomes. In women with chronic hypertension and obesity, low gestational weight gain may be necessary for the lowest risk of adverse pregnancy outcomes.

Assessment of Value of Neighborhood Socioeconomic Status in Models That Use Electronic Health Record Data to Predict Health Care Use Rates and Mortality

Prediction models are widely used in health care as a way of risk stratifying populations for targeted intervention. Most risk stratification has been done using a small number of predictors from insurance claims. However, the utility of diverse nonclinical predictors, such as neighborhood socioeconomic contexts, remains unknown. To assess the value of using neighborhood socioeconomic predictors in the context of 1-year risk prediction for mortality and 6 different health care use outcomes in a large integrated care system. Diagnostic study using data from all adults age 18 years or older who had Kaiser Foundation Health Plan membership and/or use in the Kaiser Permantente Northern California: a multisite, integrated health care delivery system between January 1, 2013, and June 30, 2014. Data were recorded before the index date for each patient to predict their use and mortality in a 1-year post period using a test-train split for model training and evaluation. Analyses were conducted in fall of 2019. One-year encounter counts (doctor office, virtual, emergency department, elective hospitalizations, and nonelective), total costs, and mortality. A total of 2 951 588 patients met inclusion criteria (mean [SD] age, 47.2 [17.4] years; 47.8% were female). The mean (SD) Neighborhood Deprivation Index was -0.32 (0.84). The areas under the receiver operator curve ranged from 0.71 for emergency department use (using the LASSO method and electronic health record predictors) to 0.94 for mortality (using the random forest method and electronic health record predictors). Neighborhood socioeconomic status predictors did not meaningfully increase the predictive performance of the models for any outcome. In this study, neighborhood socioeconomic predictors did not improve risk estimates compared with what is obtainable using standard claims data regardless of model used.

Minimally Invasive Myomectomy: Examining Surgical Route and Racial/Ethnic Trends within a Large Integrated Healthcare System

Study Objective To assess trends in practice pattern and racial and ethnic differences among women who underwent minimally invasive myomectomy (MIM) for benign uterine leiomyomas. Design Retrospective observational data-only cohort study. Setting A large integrated healthcare delivery organization serving over one million reproductive-aged women annually. Patients or Participants Women aged 18 or older who underwent a myomectomy for benign leiomyoma between 2009 and 2019 within Kaiser Permanente Norther California were included. Cases with hysterectomy, pregnancy-related procedures, or malignancy were excluded. Interventions N/A Measurements and Main Results Between 2009 and 2019, a total of4040 women underwent a myomectomy for benign uterine leiomyoma with an incidence rate of 0.12 (95% confidence interval [CI] 0.12-0.13) in 2009 to 0.25 (95% CI 0.24-0.25) in 2019 per 1000 women (Table 1). Over the 11-year period, the rate of MIM increased from 6.5% to 89.5% (1280% increase) with an increase in robotic myomectomy from 3.6% in 2012 to 64.6% in 2019. Unadjusted prevalence of MIM increased at a higher rate for non-Hispanic white women than others (Figure 1). Future analyses, adjusting for patient and healthcare system characteristics including fibroid weight and surgeon operating volume, will determine if racial/ethnic variations in myomectomy route persist over time. Conclusion Within an integrated healthcare delivery system, initiatives to encourage minimally invasive surgery had a substantial impact on increasing the number of MIM for all women, although white women saw the greatest increase compared to their racial and ethnic counterparts. Further research is needed to identify determinants of racial and ethnic disparities in MIM rates.

Smoking cessation treatment for individuals with comorbid diabetes and serious mental illness in an integrated health care delivery system

IntroductionSmoking is a significant modifiable risk factor for mortality for persons with serious mental illness (SMI), who have a life expectancy 15–20 years shorter than the general population. Individuals with SMI and comorbid diabetes who are smokers face an even higher risk of cardiovascular complications and early death. Yet despite high rates of smoking among people with SMI, tobacco cessation interventions have not been broadly offered to this population. MethodsWe conducted a retrospective cohort study using electronic health records from 2014 in a large integrated care delivery system to examine whether use of smoking cessation pharmacotherapy among smokers with type 2 diabetes varies by serious mental illness (SMI) diagnosis. We analyzed smoking cessation medication prescription fills among adult smokers with diabetes, comparing those with SMI (N = 634) and without SMI (N = 18,021). Risk ratios were adjusted for age, gender, race, urban area type, and medical facility. ResultsOf the SMI group, 19.09% filled at least one smoking cessation prescription compared to 9.73% of the non-SMI group (adjusted risk ratio 1.80 [95% CI 1.52–2.13]; p < .001). For the SMI group, primary care providers wrote 80.24% of prescriptions, while psychiatrists wrote 8.81% of prescriptions. ConclusionsThese findings offer an example of a delivery system with higher uptake of smoking cessation pharmacotherapy among people with SMI than without SMI, and highlight the opportunity to provide more smoking cessation interventions in mental health care settings.

Implication of Trends in Timing of Dialysis Initiation for Incidence of End-stage Kidney Disease

In the last 2 decades, there have been notable changes in the level of estimated glomerular filtration rate (eGFR) at which patients initiate long-term dialysis in the US and around the world. How changes over time in the likelihood of dialysis initiation at any given eGFR level in at-risk patients are associated with the population burden of end-stage kidney disease (ESKD) has not been not well defined. To examine temporal trends in long-term dialysis initiation by level of eGFR and to quantify how these patterns are associated with the number of patients with ESKD. Retrospective cohort study analyzing data obtained from a large, integrated health care delivery system in Northern California from 2001 to 2018 in successive 3-year intervals. Included individuals, ranging in number from as few as 983 122 (2001-2003) to as many as 1 844 317 (2016-2018), were adult members with 1 or more outpatient serum creatinine levels determined in the prior year. One-year risk of initiating long-term dialysis stratified by eGFR levels. Multivariable logistic regression was performed to assess temporal trends in each 3-year cohort with adjustment for age, sex, race, and diabetes status. The potential change in dialysis initiation in the final cohort (2016-2018) was estimated using the relative difference between the standardized risks in the initial cohort (2001-2003) and the final cohort. In the initial 3-year cohort, the mean (SD) age was 55.4 (16.3) years, 55.0% were women, and the prevalence of diabetes was 14.9%. These characteristics, as well as the distribution of index eGFR, were stable across the study period. The likelihood of receiving dialysis at eGFR levels of 10 to 24 mL/min/1.73 m2 generally increased over time. For example, the 1-year odds of initiating dialysis increased for every 3-year interval by 5.2% (adjusted odds ratio, 1.052; 95% CI, 1.004-1.102) among adults with an index eGFR of 20 to 24 mL/min/1.73 m2, by 6.6% (adjusted odds ratio, 1.066; 95% CI, 1.007-1.130) among adults with an eGFR of 16 to 17 mL/min/1.73 m2, and by 5.3% (adjusted odds ratio, 1.053; 95% CI, 1.008-1.100) among adults with an eGFR of 10 to 13 mL/min/1.73 m2, adjusting for age, sex, race, and diabetes. The incidence of new cases of ESKD was estimated to have potentially been 16% (95% CI, 13%-18%) lower if there were no changes in system-level practice patterns or other factors besides timing of initiating long-term dialysis from the initial 3-year interval (2001-2003) to the final interval (2016-2018) assessed in this study. The present results underscore the importance the timing of initiating long-term dialysis has on the size of the population of individuals with ESKD.

Testicular cancer management: Population-wide, rapid case ascertainment to drive early expert engagement and reduced practice variation.

39 Background: Research priorities in germ cell tumor (GCT) management have moved sharply from therapeutic improvements to cancer care delivery research and biomarker-based decision making. Early intervention with centralized decision support and oversight by expert teams result in best therapeutic outcomes and survivorship with decreased resource utilization. We describe Kaiser Permanente Northern California’s (KPNC) re-organization of care delivery through rapid case ascertainment and early expert input, as well as early results of reduction in practice variation and system-wide practice change. Methods: In 2016, KPNC reorganized oncology from a distributed generalist model to a model led by a centralized multidisciplinary expert team to share in initial and ongoing care delivery for all GCT patients in the system. Central to the re-organization was rapid ascertainment of the entire population of patients with GCT within the system and early expert engagement in treatment decision-making. Results: Between May 2016 and June 2018, 274 GCT patients were recorded in the tumor registry, of whom 69% were &lt; 40 years of age, 16% were non-white, 56% had seminoma and 63% had stage 1 disease. Rapid case ascertainment identified 89% (95% CI, 86-93%) of the cases, increasing from 79% in 2016 to 97% in 2018 as false negatives were identified and used to improve the case finding algorithm. The overall positive predictive value was 57% (52-62%) and number needed to detect was 1.75 (1.62-1.91). Of the 274 cases, 92% (89-95%) were engaged by the expert team. In addition, the team reviewed 61 testicular cancer patients who had recurrences or metastatic cancers. Among 177 patients with stage I seminoma, the preferred use of active surveillance over adjuvant chemotherapy or radiation therapy rose from 48% (95% CI, 35-62%) in 2015 to 87% (75-99%) in 2018 (p = 0.0005). For patients with nonseminoma, the rate of the preferred option of retroperitoneal lymphadenectomies being performed by a high volume urologic surgeon increased markedly from 62% in 2015 to 95% in 2018. Conclusions: To our knowledge, the KPNC re-organization of GCT care delivery with comprehensive rapid case ascertainment is unique for integrated health care delivery systems in the USA. While early, KPNC has a working platform for early, expert multidisciplinary review and bidirectional communication with local care teams for population-based care. Early evidence points to system-wide reductions in practice variation and improvements in practice.

A Web-Based, Mobile-Responsive Application to Screen Health Care Workers for COVID-19 Symptoms: Rapid Design, Deployment, and Usage.

BackgroundAs of July 17, 2020, the COVID-19 pandemic has affected over 14 million people worldwide, with over 3.68 million cases in the United States. As the number of COVID-19 cases increased in Massachusetts, the Massachusetts Department of Public Health mandated that all health care workers be screened for symptoms daily prior to entering any hospital or health care facility. We rapidly created a digital COVID-19 symptom screening tool to enable this screening for a large, academic, integrated health care delivery system, Partners HealthCare, in Boston, Massachusetts.ObjectiveThe aim of this study is to describe the design and development of the COVID Pass COVID-19 symptom screening application and report aggregate usage data from the first three months of its use across the organization.MethodsUsing agile principles, we designed, tested, and implemented a solution over the span of one week using progressively customized development approaches as the requirements and use case become more solidified. We developed the minimum viable product (MVP) of a mobile-responsive, web-based, self-service application using research electronic data capture (REDCap). For employees without access to a computer or mobile device to use the self-service application, we established a manual process where in-person, socially distanced screeners asked employees entering the site if they have symptoms and then manually recorded the responses in an Office 365 Form. A custom .NET Framework application solution was developed as COVID Pass was scaled. We collected log data from the .NET application, REDCap, and Microsoft Office 365 from the first three months of enterprise deployment (March 30 to June 30, 2020). Aggregate descriptive statistics, including overall employee attestations by day and site, employee attestations by application method (COVID Pass automatic screening vs manual screening), employee attestations by time of day, and percentage of employees reporting COVID-19 symptoms, were obtained.ResultsWe rapidly created the MVP and gradually deployed it across the hospitals in our organization. By the end of the first week, the screening application was being used by over 25,000 employees each weekday. After three months, 2,169,406 attestations were recorded with COVID Pass. Over this period, 1865/160,159 employees (1.2%) reported positive symptoms. 1,976,379 of the 2,169,406 attestations (91.1%) were generated from the self-service screening application. The remainder were generated either from manual attestation processes (174,865/2,169,406, 8.1%) or COVID Pass kiosks (25,133/2,169,406, 1.2%). Hospital staff continued to work 24 hours per day, with staff attestations peaking around shift changes between 7 and 8 AM, 2 and 3 PM, 4 and 6 PM, and 11 PM and midnight.ConclusionsUsing rapid, agile development, we quickly created and deployed a dedicated employee attestation application that gained widespread adoption and use within our health system. Further, we identified 1865 symptomatic employees who otherwise may have come to work, potentially putting others at risk. We share the story of our implementation, lessons learned, and source code (via GitHub) for other institutions who may want to implement similar solutions.

Early Noninvasive Cardiac Testing After Emergency Department Evaluation for Suspected Acute Coronary Syndrome

Professional guidelines recommend noninvasive cardiac testing (NIT) within 72 hours of an emergency department (ED) evaluation for suspected acute coronary syndrome. However, there is inexact evidence that this strategy reduces the risk of future death or acute myocardial infarction (MI). To evaluate the effectiveness of early NIT in reducing the risk of death or acute MI within 30 days. This retrospective, multicenter cohort study within the Kaiser Permanente Southern California integrated health care delivery system compared the effectiveness of early noninvasive cardiac testing vs no testing in patients with chest pain and in whom acute MI was ruled out who presented to an ED from January 2015 to December 2017. Patients were followed up for up to 30 days after emergency department discharge. Noninvasive cardiac testing performed within 3 days of an ED evaluation for suspected acute coronary syndrome. The primary outcome was composite risk of death or acute MI, within 30 days of an ED discharge. A total of 79 040 patients were evaluated in this study, of whom 57.7% were female. The mean (SD) age of the cohort was 57 (16) years, and 16 164 patients (21%) had completed early NIT. The absolute risk of death or MI within 30 days was low (<1%). Early NIT had the minor benefit of reducing the absolute composite risk of death or MI (0.4% [95% CI, -0.6% to -0.3%]), and, separately, of death (0.2% [95% CI, -0.2% to -0.1%]), MI (-0.3% [95% CI, -0.5% to -0.1%]), and major adverse cardiac event (-0.5% [95% CI, -0.7% to -0.3%]). The number needed to treat was 250 to avoid 1 death or MI, 500 to avoid 1 death, 333 to avoid 1 MI, and 200 to avoid 1 major adverse cardiovascular event within 30 days. Subgroup analysis revealed a number needed to treat of 14 to avoid 1 death or MI in the subset of patients with elevated troponin. Early NIT was associated with a small decrease in the risk of death or MI in patients admitted to the ED with suspected acute coronary syndrome, but this clinical strategy may not be optimal for most patients given the large number needed to treat.

Risk of Acute Myocardial Infarction, Heart Failure, and Death in Migraine Patients Treated with Triptans.

The goal of this study is to determine the strength of association between treatment with triptans and acute myocardial infarction, heart failure, and death. Case reports in the literature have raised concerns over an association between treatment of migraine headaches with triptans and cardiovascular events. This study aims to systematically evaluate this association in a contemporary population-based cohort. We hypothesized that triptan exposure is not associated with increased cardiovascular events. A retrospective cohort study was conducted within an integrated healthcare delivery system in Southern California. From January 2009 to December 2018, 189,684 patients age ≥18 years had a diagnosis of migraine. In this group, 130,656 were exposed to triptans. Patients treated with triptans were matched 1:1 to those not exposed to triptans by using a propensity score. The primary outcome was acute myocardial infarction; secondary outcomes were heart failure, all-cause death, and combined acute myocardial infarction, heart failure, and death. The incidence rate of acute myocardial infarction was 0.67 per 1000 person-year in triptan-exposed vs 1.44 per 1000 person-year in not exposed patients. In propensity-matched analyses, the adjusted hazard ratio for triptan exposure was 0.95 (95% confidence interval [CI] 0.84-1.08) for acute myocardial infarction; 1.00 (95% CI 0.93-1.08) for all-cause death; 0.93 (95% CI 0.81-1.08) for heart failure; and 0.99 (95% CI 0.93-1.06) for a composite of acute myocardial infarction, heart failure, or death. Sensitivity analyses focusing on stratified subgroups based on age, gender, ethnicity, and several cardiac risk factors also revealed no significant association between triptan exposure and cardiovascular events. No association was found between exposure to triptans and an increased risk of cardiovascular events. These data provide reassurance regarding the cardiovascular safety of utilizing triptans for the medical management of migraine headaches.

Occupation versus environmental factors in hypersensitivity pneumonitis: population attributable fraction.

BackgroundDespite well-documented case series of hypersensitivity pneumonitis (HP), epidemiological data delineating relative contributions of risk factors are sparse. To address this, we estimated HP risk in a case-referent study of occupational and nonoccupational exposures.MethodsWe recruited cases of HP by ICD-9 codes from an integrated healthcare delivery system (IHCDS) and a tertiary medical care centre. We drew referents, matched for age and sex, from the IHCDS. Participants underwent comprehensive, structured telephone interviews eliciting details of occupational and home environmental exposures. We employed a hierarchical analytic approach for data reduction based on the false discovery rate method within clusters of exposures. We measured lung function and selected biomarkers in a subset of participants. We used multivariate logistic regression to estimate exposure-associated odds ratios (ORs) and population attributable fractions (PAFs) for HP.ResultsWe analysed data for 192 HP cases (148 IHCDS; 44 tertiary care) and 229 referents. Occupational exposures combined more than doubled the odds of developing HP (OR 2.67; 95% CI 1.73–4.14) with a PAF of 34% (95% CI 21–46%); nonoccupational bird exposure also doubled the HP odds (OR 2.02; 95% CI 1.13–3.60), with a PAF of 12% (3–21%). Lung function and selected biomarkers did not substantively modify the risk estimates on the basis of questionnaire data alone.DiscussionIn a case-referent approach evaluating HP risk, identifiable exposures accounted, on an epidemiological basis, for approximately two in three cases of disease; conversely, for one in three, the risk factors for disease remained elusive.

Perceptions of the Value of Clinical Pharmacy Medication Review for Women During Early Pregnancy.

The benefit of continuing medications to prevent or treat illness is often overlooked, since pregnant women tend to overestimate the teratogenic risk of medications. Pharmacists can serve as a resource to prescribers and pregnant women with their knowledge of the appropriate use and management of medications during pregnancy. Little information exists on the value women place on pharmacists' medication management during pregnancy. To assess pregnant women's perceptions of an ambulatory care clinical pharmacist (CP) medication review service during early pregnancy that provided education regarding the risks and benefits of medication use during pregnancy. This was a qualitative study of pregnant women using semistructured telephone interviews performed between December 12, 2018, and January 18, 2019, and conducted in an integrated health care delivery system. Potential participants were identified from CP encounter records. Consented English-speaking women aged ≥ 18 years participated in an up to 30-minute interview within 1 week of the CP encounter. Interviews were professionally transcribed and coded line by line using the constant comparison method with grounded theory used to gain insight into participants' perspectives. 62 women were invited to participate in semistructured telephone interviews of whom 24 (39%) completed the interview. Three main themes emerged from the qualitative analysis: satisfaction with the service, comfort with medication use during pregnancy, and connectedness to the health care team. Overall, the CP medication review and education service was perceived positively by the participants. Participants reported satisfaction in the quality, timeliness, and convenience of the service and found it beneficial to have their medications reviewed early during pregnancy to assist in medication use decisions before their first obstetric visit. CP medication review provided a comforting, valuable service for women during early pregnancy when medication-taking decisions can feel exigent. This study was funded by Kaiser Permanente. The authors have nothing to disclose. Preliminary results were presented at the Mountain States Conference for Residents and Preceptors, May 2019, in Salt Lake City, UT.

Evaluating the Cost-Effectiveness of the ABCDE Bundle: Impact of Bundle Adherence on Inpatient and 1-Year Mortality and Costs of Care.

Growing evidence supports the Awakening and Breathing Coordination, Delirium monitoring/management, and Early exercise/mobility (ABCDE) bundle processes as improving a number of short- and long-term clinical outcomes for patients requiring ICU care. To assess the cost-effectiveness of this intervention, we determined the impact of ABCDE bundle adherence on inpatient and 1-year mortality, quality-adjusted life-years, length of stay, and costs of care. We conducted a 2-year, prospective, cost-effectiveness study in 12 adult ICUs in six hospitals belonging to a large, integrated healthcare delivery system. Hospitals included a large, urban tertiary referral center and five community hospitals. ICUs included medical/surgical, trauma, neurologic, and cardiac care units. The study included 2,953 patients, 18 years old or older, with an ICU stay greater than 24 hours, who were on a ventilator for more than 24 hours and less than 14 days. ABCDE bundle. We used propensity score-adjusted regression models to determine the impact of high bundle adherence on inpatient mortality, discharge status, length of stay, and costs. A Markov model was used to estimate the potential effect of improved bundle adherence on healthcare costs and quality-adjusted life-years in the year following ICU admission. We found that patients with high ABCDE bundle adherence (≥ 60%) had significantly decreased odds of inpatient mortality (odds ratio 0.28) and significantly higher costs ($3,920) of inpatient care. The incremental cost-effectiveness ratio of high bundle adherence was $15,077 (95% CI, $13,675-$16,479) per life saved and $1,057 per life-year saved. High bundle adherence was associated with a 0.12 increase in quality-adjusted life-years, a $4,949 increase in 1-year care costs, and an incremental cost-effectiveness ratio of $42,120 per quality-adjusted life-year. The ABCDE bundle appears to be a cost-effective means to reduce in-hospital and 1-year mortality for patients with an ICU stay.

Demonstrating the Clinical Impact of Continuous Glucose Monitoring Within an Integrated Healthcare Delivery System.

Approximately 30 million Americans currently suffer from diabetes, and nearly 55 million people will be impacted by 2030. Continuous glucose monitoring (CGM) systems help patients manage their care with real-time data. Although approximately 95% of those with diabetes suffer from type 2, few studies have measured CGM's clinical impact for this segment within an integrated healthcare system. A parallel randomized, multisite prospective trial was conducted using a new CGM device (Dexcom G6) compared to a standard of care finger stick glucometer (FSG) (Contour Next One). All participants received usual care in primary care clinics for six consecutive months while using these devices. Data were collected via electronic medical records, device outputs, exit surveys, and insurance company (SelectHealth) claims in accordance with institutional review board approval. Ninety-nine patients were randomized for analysis (n = 50 CGM and n = 49 FSG). CGM patients significantly decreased hemoglobin A1c (p = .001), total visits (p = .009), emergency department encounters (p = .018), and labs ordered (p = .001). Among SelectHealth non-Medicare Advantage patients, per member per month savings were $417 for CGM compared to FSG, but $9 more for Medicare Advantage. Seventy percent of CGM users reported that the technology helped them better understand daily activity and diet compared to only 16% for FSG. Participants using CGM devices had meaningful improvements in clinical outcomes, costs, and self-reported measures compared to the FSG group. Although a larger study is necessary to confirm these results, CGM devices appear to improve patient outcomes while making treatment more affordable.

ASO Visual Abstract: Adoption of Opioid-Sparing and Non-opioid Regimens After Breast Surgery in a Large Integrated Health Care Delivery System

ASO Visual Abstract: Adoption of Opioid-Sparing and Non-opioid Regimens After Breast Surgery in a Large Integrated Health Care Delivery System

Enhanced Care Team Nurse Process to Improve Diabetes Care.

Collaborative practice models such as the Chronic Care Model are particularly relevant for integrated health care delivery systems, accountable care organizations, and patient-centered medical homes, which focus on improving population health and reducing costs of care.1,2 Our team has developed an

Community-Based Epidemiology of Hospitalized Acute Kidney Injury.

Acute kidney injury (AKI) may lead to short- and long-term consequences in children, but its epidemiology has not been well described at a population level and outside of ICU settings. In a large, diverse pediatric population receiving care within an integrated health care delivery system between 2008 and 2016, we calculated age- and sex-adjusted incidences of hospitalized AKI using consensus serum creatinine (SCr)-based diagnostic criteria. We also investigated the proportion of AKI detected in non-ICU settings and the rates of follow-up outpatient SCr testing after AKI hospitalization. Among 1 500 546 children, the mean age was 9.8 years, 49.0% were female, and 33.1% were minorities. Age- and sex-adjusted incidence of hospitalized AKI among the entire pediatric population did not change significantly across the study period, averaging 0.70 (95% confidence interval: 0.68-0.73) cases per 1000 person-years. Among the subset of hospitalized children, the adjusted incidence of AKI increased from 6.0% of hospitalizations in 2008 to 8.8% in 2016. Approximately 66.7% of AKI episodes were not associated with an ICU stay, and 54.3% of confirmed, unresolved Stage 2 or 3 AKI episodes did not have outpatient follow-up SCr testing within 30 days postdischarge. Community-based pediatric AKI incidence was ∼1 per 1000 per year, with two-thirds of cases not associated with an ICU stay and more than one-half not receiving early outpatient follow-up kidney function testing. Further efforts are needed to increase the systematic recognition of AKI in all inpatient settings with appropriate, targeted postdischarge kidney function monitoring and associated management.

Trends in Atrial Fibrillation Incidence Rates Within an Integrated Health Care Delivery System, 2006 to 2018

Atrial fibrillation (AF) is the most common cardiac arrhythmia, and multiple studies have reported increasing AF incidence rates over time, although the underlying explanations remain unclear. To estimate AF incidence rates from 2006 to 2018 in a community-based setting and to investigate possible explanations for increasing AF by evaluating the changing features of incident AF cases and the pool of patients at risk for AF over time. This cohort study included 500 684 patients who received primary care and other health care services for more than 2 years through a single integrated health care delivery network in Pennsylvania. Data collection was conducted from January 2003 to December 2018. The base study population had no documentation of AF in the electronic medical record for at least 2 years prior to baseline. Data analysis was conducted from May to December 2019. Incident AF cases were identified through diagnostic codes recorded at inpatient or outpatient encounters. Age- and sex-adjusted AF incidence rates were estimated by calendar year from 2006 to 2018 both overall and across subgroups, including according to diagnostic setting (inpatient vs outpatient) and priority (primary vs secondary diagnosis). Among 514 293 patients meeting criteria for the base study population, the mean (SD) age at baseline was 47 (18) years and 282 103 (54.9%) were women; 13 609 (2.6%) met AF diagnostic criteria on or prior to the baseline date and were excluded. Among 500 684 patients free of AF at baseline, standardized AF incidence rates from 2006 to 2018 increased from 4.74 (95% CI, 4.58-4.90) to 6.82 (95% CI, 6.65-7.00) cases per 1000 person-years, increasing significantly over time (P < .001). Incidence rates increased in all age and sex subgroups, although absolute rate increases were largest among those aged 85 years or older. The fraction of incident AF cases among individuals aged 85 years or older increased from 135 of 1075 (12.6%) in 2006 to 451 of 2427 (18.6%) in 2017. Patients with incident AF were more likely over time to have high body mass index (1351 of 3389 patients [39.9%] in 2006-2008 vs 4504 of 9214 [48.9%] in 2015-2018; P < .001), hypertension (2764 [81.6%] in 2006-2008 vs 7937 [86.1%] in 2015-2018; P < .001), and ischemic stroke (328 [9.7%] in 2006-2008 vs 1455 [15.8%] in 2015-2018; P < .001), but less likely to have coronary artery disease (1533 [45.2%] in 2006-2008 vs 3810 [41.4%] in 2015-2018; P < .001). Among 22 077 new cases of AF, 9146 (41.4%) were diagnosed as inpatients and 5731 (26.0%) as the primary diagnosis. Incidence rates of AF increased significantly in all diagnostic setting and priority pairings (eg, inpatient, primary: rate ratio, 1.07; 95% CI, 1.06-1.08; P < .001). Among patients at risk for AF, high BMI and hypertension increased over time (BMI: 71 433 of 198 245 [36.0%] in 2007 to 130 218 of 282 270 [46.1%] in 2017; hypertension: 79 977 [40.3%] in 2007 to 134 404 [47.6%] in 2017). Documentation of short-term ECG increased over time (23 297 of 207 349 [11.2%] in 2008 to 45 027 [16.0%] in 2017); however, long-term ECG monitoring showed no change (1871 [0.9%] in 2007 to 4036 [1.4%] in 2017). In this community-based study, AF incidence rates increased significantly during the study period. Concurrent increases were observed in AF risk factors in the at-risk population and short-term ECG use.