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BACKGROUND: Gaps in care (GIC) are common for patients with congenital heart disease (CHD) and can lead to worsening clinical status, unplanned hospitalization, and mortality. Understanding of how social determinants of health (SDOH) contribute to GIC in CHD is incomplete. We hypothesize that SDOH, including Child Opportunity Index (COI), are associated with GIC in patients with significant CHD. METHODS AND RESULTS: A total of 8554 patients followed at a regional specialty pediatric hospital with moderate to severe CHD seen in cardiology clinic between January 2013 and December 2015 were retrospectively reviewed. SDOH factors including race, ethnicity, language, and COI calculated based on home address and zip code were analyzed. GIC of >3.25 years were identified in 32% (2709) of patients. GIC were associated with ages 14 to 29 years (P<0.001), Black race or Hispanic ethnicity (P<0.001), living ≥150 miles from the hospital (P=0.017), public health insurance (P<0.001), a maternal education level of high school or less (P<0.001), and a low COI (P<0.001). Multivariable analysis showed that GIC were associated with age ≥14 years, Black race or Hispanic ethnicity, documenting <3 caregivers as contacts, mother's education level being high school or less, a very low/low COI, and insurance status (C statistic 0.66). CONCLUSIONS: One-third of patients followed in a regional referral center with significant CHD experienced a substantial GIC (>3.25 years). Several SDOH, including a low COI, were associated with GIC. Hospitals should adopt formal GIC improvement programs focusing on SDOH to improve continuity of care and ultimately overall outcomes for patients with CHD.

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INTRODUCTION: Over 90% of children with CHD survive into adulthood and require lifelong cardiology care. Delays in care predispose patients to cardiac complications. We sought to determine the time interval to accessing adult CHD care beyond what was recommended by the referring paediatric cardiologist (excess time) and determine risk factors for prolonged excess time. MATERIALS AND METHODS: Retrospective cohort study including all patients in the province of Alberta, Canada, age 16-18 years at their last paediatric cardiology visit, with moderate or complex lesions. Excess time between paediatric and adult care was defined as the interval (months) between the final paediatric visit and the first adult visit, minus the recommended interval between these appointments. Patients whose first adult CHD appointment occurred earlier than the recommended interval were assigned an excess time of zero. RESULTS: We included 286 patients (66% male, mean age 17.6 years). Mean excess time was 7.9 ± 15.9 months. Twenty-nine (10%) had an excess time > 24 months. Not having a pacemaker (p = 0.03) and not needing cardiac medications at transfer (p = 0.02) were risk factors for excess time >3 months. Excess time was not influenced by CHD complexity. DISCUSSION: The mean delay to first adult CHD appointment was almost 8 months longer than recommended by referring paediatric cardiologists. Not having a pacemaker and not needing cardiac medication(s) were risk factors for excess time > 3 months. Greater outpatient resources are required to accommodate the growing number of adult CHD survivors.

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Objectives: Study the impact of intra-facility interventions on the modifiable factors causing stillbirths (SB), using point-of-care quality improvement (POCQI) methodology. Material and Methods: Stillbirth data during the 9 months pre-intervention period were reviewed to identify the common preventable causes. Two interventions, namely, ultrasound at 34-36 weeks gestation and intrapartum monitoring on a common customized labor chart for all health-care providers, were done. Post-intervention data were collected to observe the impact of the interventions. Results: The stillbirth rate reduced from 212/5940 deliveries (35.7/1000) in the pre-intervention period to 165/5993 deliveries (27.7/1000) in the post-intervention period (p = 0.011). The intra-facility failure to identify FGR significantly reduced in the post-intervention group (p = 0.033), leading to 63% (RR 0.37) reduction in its risk. Using a common customized labor chart led to a significant decline in the inadequate monitoring as a provider-related cause of stillbirth (p < 0.001) leading to its 42% decline as contributor to modifiable cause of SB (RR 0.48). Conclusion: Reviewing the perinatal death surveillance response (PDSR) data, identifying gaps in care, and using improvement methodology for instituting corrective measures play an important role in reducing intramural stillbirths.

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BACKGROUND: Poor pain control during the postoperative period has negative implications for recovery, and is a critical risk factor for development of persistent postsurgical pain. The aim of this scoping review is to identify gaps in healthcare delivery that patients undergoing inpatient noncardiac surgeries experience in pain management while recovering at home. METHODS: Searches were conducted by a medical librarian in PubMed, MEDLINE, EMBASE, EBSCO CINAHL, Web of Science, and Cochrane Database of Systematic Reviews for articles published between 2016 and 2022. Inclusion criteria were adults (≥18 yr), English language, inpatient noncardiac surgery, and included at least one gap in care for acute and/or persistent pain management after surgery within the first 3 months of recovery at home. Two reviewers independently screened articles for inclusion and extracted data. Quotations from each article related to gaps in care were synthesised using thematic analysis. RESULTS: There were 4794 results from databases and grey literature, of which 38 articles met inclusion criteria. From these, 23 gaps were extracted, encompassing all six domains of healthcare delivery (capacity, organisational structure, finances, patients, care processes and infrastructure, and culture). Identified gaps were synthesised into five overarching themes: education (22 studies), provision of continuity of care (21 studies), individualised management (10 studies), support for specific populations (11 studies), and research and knowledge translation (10 studies). CONCLUSIONS: This scoping review identified health delivery gaps during a critical period in postoperative pain management. These gaps represent potential targets for quality improvement and future research to improve perioperative care and longer-term patient-centred outcomes. SCOPING REVIEW PROTOCOL: Open Science Framework (https://osf.io/cq5m6/).

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The diagnosis and management of hidradenitis suppurativa (HS) varies greatly between providers, often resulting in gaps in care including diagnostic delays and poor outcomes. As dermatologists strive to improve HS management, understanding patient perspectives is key. This study aims to characterize existing gaps in HS care as understood through patients' experiences. This study recruited adult patients with a diagnosis of HS seen at dermatology practices affiliated with Northwestern University. Data were collected through participant surveys and three semi-structured focus groups. Focus group meetings were transcribed verbatim and data were abstracted into themes using conventional content analysis. Six final themes were abstracted after review of 20 pages of transcribed conversation. Four themes centered on improved medical management of HS (access to care, disease-modifying therapies, symptom treatment, prevention of treatment-related adverse events). Two themes centered on supportive care (mental health support, specialized daily wear products). Limitations of this study include single-center recruitment and recall bias introduced by the focus group format. This study identifies six unmet needs for patients with HS and highlights the efficacy of a virtual format for research, conversation, and possibly clinical engagement. Moreover, multiple themes underscore the need for further collaboration across specialties in managing HS.

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Although great progress has been made in the diagnostic and treatment options for dyslipidemias, unawareness, underdiagnosis and undertreatment of these disorders remain a significant global health concern. Growth in digital applications and newer models of care provide novel tools to improve the management of chronic conditions such as dyslipidemia. In this review, we discuss the evolving landscape of lipid management in the 21st century, current treatment gaps and possible solutions through digital health and new models of care. Our discussion begins with the history and development of value-based care and the national establishment of quality metrics for various chronic conditions. These concepts on the level of healthcare policy not only inform reimbursements but also define the standard of care. Next, we consider the advances in atherosclerotic cardiovascular disease risk score calculators as well as evolving imaging modalities. The impact and growth of digital health, ranging from telehealth visits to online platforms and mobile applications, will also be explored. We then evaluate the ways in which machine learning and artificial intelligence-driven algorithms are being utilized to address gaps in lipid management. From an organizational perspective, we trace the redesign of medical practices to incorporate a multidisciplinary team model of care, recognizing that atherosclerotic cardiovascular disease risk is multifaceted and requires a comprehensive approach. Finally, we anticipate the future of dyslipidemia management, assessing the many ways in which atherosclerotic cardiovascular disease burden can be reduced on a population-wide scale.

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BACKGROUND: National registries reveal significant gaps in medical therapy for patients with heart failure and reduced ejection fraction (HFrEF), but may not accurately (or fully) characterize the population eligible for therapy. OBJECTIVE: We developed an automated, electronic health record-based algorithm to identify HFrEF patients eligible for evidence-based therapy, and extracted treatment data to assess gaps in therapy in a large, diverse health system. METHODS: In this cross-sectional study of all NYU Langone Health outpatients with EF ≤ 40% on echocardiogram and an outpatient visit from 3/1/2019 to 2/29/2020, we assessed prescription of the following therapies: beta-blocker (BB), angiotensin converting enzyme inhibitor (ACE-I)/angiotensin receptor blocker (ARB)/angiotensin receptor neprilysin inhibitor (ARNI), and mineralocorticoid receptor antagonist (MRA). Our algorithm accounted for contraindications such as medication allergy, bradycardia, hypotension, renal dysfunction, and hyperkalemia. RESULTS: We electronically identified 2732 patients meeting inclusion criteria. Among those eligible for each medication class, 84.8% and 79.7% were appropriately prescribed BB and ACE-I/ARB/ARNI, respectively, while only 23.9% and 22.7% were appropriately prescribed MRA and ARNI, respectively. In adjusted models, younger age, cardiology visit and lower EF were associated with increased prescribing of medications. Private insurance and Medicaid were associated with increased prescribing of ARNI (OR = 1.40, 95% CI = 1.02-2.00; and OR = 1.70, 95% CI = 1.07-2.67). CONCLUSIONS: We observed substantial shortfalls in prescribing of MRA and ARNI therapy to ambulatory HFrEF patients. Subspecialty care setting, and Medicaid insurance were associated with higher rates of ARNI prescribing. Further studies are warranted to prospectively evaluate provider- and policy-level interventions to improve prescribing of these evidence-based therapies.

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BACKGROUND: Older US adults often receive care from multiple ambulatory providers. Seeing multiple providers may be clinically appropriate but creates challenges for communication. Whether frailty is a risk factor for gaps in communication among older adults and subsequent preventable adverse events is unknown. METHODS: We conducted a cross-sectional analysis of community-dwelling US adults ≥ 65 years of age in the REasons for Geographic And Racial Differences in Stroke (REGARDS) study who attended an in-home study examination in 2013-2016 and completed a survey on experiences with healthcare in 2017-2018 (n = 5,024). Using 5 frailty indicators (low body mass index, exhaustion, slow walk, weakness, and history of falls), we characterized participants into 3 mutually exclusive groups: not frail (0 indicators), intermediate-frail (1-2 indicators), and frail (3-5 indicators). We used survey data on self-reported gaps in care coordination and self-reported adverse events that participants attributed to poor communication among providers (a drug-drug interaction, repeat testing, an emergency department visit, or a hospital admission). RESULTS: Overall, 2,398 (47.7%) participants were not frail, 2,436 (48.5%) were intermediate-frail, and 190 (3.8%) were frail. The prevalence of any gap in care coordination was 37.0%, 40.8%, and 51.1% among participants who were not frail, intermediate-frail and frail, respectively. The adjusted prevalence ratio (PR) for any gap in care coordination among intermediate-frail and frail versus not frail participants was 1.09 (95% confidence interval [95%CI] 1.02-1.18) and 1.34 (95%CI 1.15-1.56), respectively. The prevalence of any preventable adverse event was 7.0%, 11.3% and 20.0% among participants who were not frail, intermediate-frail and frail, respectively. The adjusted PR for any preventable adverse event among those who were intermediate-frail and frail versus not frail was 1.47 (95%CI 1.22-1.77) and 2.24 (95%CI 1.60-3.14), respectively. CONCLUSION: Among older adults, frailty is associated with an increased prevalence for self-reported gaps in care coordination and preventable adverse events. Targeted interventions to address patient-reported concerns regarding care coordination among intermediate-frail and frail older adults may be warranted.

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Studies describing gaps in care for youth with congenital heart disease (CHD), focus on those who have returned to care, but rarely those actively missing from care. Our objective was to determine barriers for young adults with CHD actively missing from cardiac care and to re-engage them in care. Retrospective single-center cohort study of cardiology clinic patients ages 15-21 years with CHD between 2012 and 2019 for patients actively missing from care (≥ 12 months beyond requested clinic follow-up). We conducted prospective interviews, offered clinic scheduling information, and recorded cardiac follow-up. Data analyzed using descriptive statistics, univariable, and multivariable logistic regression. Of 1053 CHD patients, 33% (n = 349) were actively missing. Of those missing, 58% were male and median age was 17 years (IQR 16-19). Forty-six percent were Non-Hispanic White, 33% Hispanic, and 9% Black. Moderately complex CHD was in 71%, and 62% had private insurance. Patients with simple CHD, older age at last encounter (18-21), and scheduled follow-up > 12 months from last encounter were more likely to be actively missing. Interviews were completed by 125 patients/parents (36%). Lack of cardiac care was reported in 52%, and common barriers included: insurance (33%), appointment scheduling (26%), and unknown ACHD center care (15%). Roughly half (55%) accepted appointment information, yet only 3% successfully returned. Many patients require assistance beyond CHD knowledge to maintain and re-engage in care. Future interventions should include scheduling assistance, focused insurance maintenance, understanding where to obtain ACHD care, and educating on need for lifelong care.

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Background Although severe hypercholesterolemia confers a 5-fold increased long-term risk for coronary artery disease, treatment guidelines may not be fully implemented, leading to underdiagnosis and suboptimal treatment. To further understand the clinical features and gaps in treatment approaches, we analyzed electronic medical record data from a midwestern US multidisciplinary healthcare system, between 2009 and 2020. Methods and Results We retrospectively assessed the prevalence, clinical presentation, and treatment characteristics of individuals currently treated with statin therapy having a low-density lipoprotein cholesterol (LDL-C) value that is either (1) an actual maximum electronic medical record-documented LDL-C ≥190 mg/dL (group 1, n=7542) or (2) an estimated pretreatment LDL-C ≥190 mg/dL (group 2, n=7710). Comorbidities and prescribed lipid-lowering therapies were assessed. Statistical analyses identified differences among individuals within and between groups. Of records analyzed (n=266 282), 7% met the definition for primary severe hypercholesterolemia. Group 1 had more comorbidities than group 2. More individuals in both groups were treated by primary care providers (49.8%-53.0%, 32.6%-36.4%) than by specialty providers (4.1%-5.5%, 2.1%-3.3%). High-intensity lipid-lowering therapy was prescribed less frequently for group 2 than for group 1, but moderate-intensity statins were prescribed more frequently for group 2 (65%) than for group 1 (52%). Conclusions Two percent of patients in our study population being treated with low- or moderate-intensity statins have an estimated LDL-C ≥190 mg/dL (indicating severe hypercholesterolemia), but receive less aggressive treatment than patients with a maximum measured LDL-C ≥190 mg/dL.

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BACKGROUND: To promote good health in patients with congenital heart disease (CHD), prevention of gaps in care is essential, as adverse prognosis is associated with care gaps. A well-organised, formal transition programme may help prevent loss to follow up after leaving paediatric care. To inform the development of a transition programme, we investigated factors associated with care gaps in adults with CHD. METHODS: Between 15 October 2018 and 15 November 2019 data on patient characteristics and patient experiences with transition-related education, difficulties, and gaps in care were collected and assessed in 87 adults with CHD. Two groups (with gaps in care versus without gaps) were compared to identify informative differences using chi-squared, Fisher's exact tests, or Wilcoxon rank-sum tests. To assess the relationship between care gaps and identified variables, factors with significant difference (p < 0.05) in bivariate analyses were employed as covariates in multivariable logistic regression analysis. RESULTS: About half of the study cohort reported having gaps in care. In a multivariate model, patients having thorough discussion about the importance of receiving adult care in paediatric care were 70% less likely to experience gaps (odds ratio 0.303, 95% CI 0.14, 0.66). Forty-seven percent of patient-perceived barriers to transitioning originated from negative feelings associated with transfer. CONCLUSION: Gaps in care are highly prevalent in adults with CHD. For a transition programme to be most effective, curriculum development may need to consider the differential impact of various factors and target areas to mitigate the psychological stress associated with transfer.

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Dementia is a widely recognized public health priority due to the increasing number of people living with the condition and its attendant health, social, and economic costs. Delivering appropriate care is a challenge in many countries in Europe contributing to unmet needs of people living with dementia. Acute hospital settings are often the default route in pursuit for dementia care due to the lack of or limited knowledge of local service provisions. The care environment and the skillsets in acute hospitals do not fully embrace the personhood necessary in dementia care. Predictions of an exponential increase in people living with dementia in the coming 30 years require evidence-based strategies for advancing dementia care and maximizing independent living. However, the evidence required to inform priorities for enabling improvements in dementia care is rarely presented in a way that stimulates and sustains political interests. This scoping review of the literature drew on principles of meta-ethnography to clarify the gaps and priorities in dementia care in Europe. The review constituted eight papers (n = 8) and a stakeholder consultation involving three organizations implementing dementia care programs in Europe comprising Emmaus Elderly Care in Belgium, Residential Care Holy Heart in Belgium, and ZorgSaam in the Netherlands. Overarching concepts of gaps identified include fragmented non-person-centered care pathways, the culture of dementia care, limited knowledge and skills, poor communication and information sharing, and ineffective healthcare policies. Key areas distinguished from the literature for narrowing the gaps to improve care experiences and the support for people living with dementia care encompass person-centered care, integrated care pathways, and healthcare workforce development. Action for advancing care and maximizing independent living needs to go beyond mere inclusions on political agendas to incorporate a shift in health and social care policies to address the needs of people living with dementia.

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AIMS: To develop a theory that explains students and registered nurses' behaviours when caring for culturally and linguistically diverse patients'. BACKGROUND: Despite ongoing calls for improvements to the quality of patient care, the continued reports of substandard care to patients from diverse cultural and linguistic backgrounds are concerning. METHODS: A classic grounded theory methodology incorporating focus groups (n-10) and individual interviews (n-30) with students and registered nurses in one region of Ireland. FINDINGS: Participants resolved their main concern of uncertainty through disengagement (masking, distancing and fitting in), which was sustained by resigned indifference, resulting in gaps in care. Resigned indifference explains how participants were aware of the consequences of disengagement, but became resigned and accepting of substandard care. CONCLUSION: This study explains how nurses want to provide quality care, but gaps in care to culturally and linguistically diverse patients' are perpetuated through resigned indifference. IMPLICATIONS FOR NURSING MANAGEMENT: Nurse managers need to understand nurses' behaviours as a means of supporting collective ways of addressing gaps in care for culturally and linguistically diverse patients. Strategic leadership in developing culturally responsive structures is essential. Nurturing nursing values such as commitment, compassion and courage through education and leadership is a priority.

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Current guidelines specify that visit intervals with viral monitoring should not exceed 6 months for HIV patients. Yet, gaps in care exceeding 6 months are common. In an observational cohort using US patients, we examined the association between gap length and changes in viral load status and sought to determine the length of the gap at which significant increases in viral load occur. We identified patients with gaps in care greater than 6 months from 6399 patients from six US HIV clinics. Gap strata were >6 to <7, 7 to <8, 8 to <9, 9 to <12, and ≥12 months, with viral load measurements matched to the opening and closing dates for the gaps. We examined visit gap lengths in association with two viral load measurements: continuous (log10 viral load at gap opening and closing) and dichotomous (whether patients initially suppressed but lost viral suppression by close of the care gap). Viral load increases were nonsignificant or modest when gap length was <9 months, corresponding to 10% or fewer patients who lost viral suppression. For gaps ≥12 months, there was a significant increase in viral load as well as a much larger loss of viral suppression (in 23% of patients). Detrimental effects on viral load after a care gap were greater in young patients, black patients, and those without private health insurance. On average, shorter gaps in care were not detrimental to patient viral load status. HIV primary care visit intervals of 6 to 9 months for select patients may be appropriate.

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BACKGROUND: Despite recent focus on patient safety in primary care, little attention has been paid to errors of omission, which represent significant gaps in care and threaten patient safety in primary care but are not well studied or categorized. The purpose of this study was to develop a typology of errors of omission from the perspectives of primary care providers (PCPs) and understand what factors within practices lead to or prevent these omissions. METHODS: A qualitative descriptive design was used to collect data from 26 PCPs, both physicians and nurse practitioners, from the New York State through individual interviews. One researcher conducted all interviews, which were audiotaped, transcribed verbatim, and analyzed in ATLAS.ti, Berlin by 3 researchers using content analysis. They immersed themselves into data, read transcripts independently, and conducted inductive coding. The final codes were linked to each other to develop the typology of errors of omission and the themes. Data saturation was reached at the 26th interview. RESULTS: PCPs reported that omitting patient teaching, patient followup, emotional support, and addressing mental health needs were the main categories of errors of omission. PCPs perceived that time constraints, unplanned patient visits and emergencies, and administrative burden led to these gaps in care. They emphasized that organizational support and infrastructure, effective teamwork and communication, and preparation for the patient encounter were important safeguards to prevent errors of omission within their practices. DISCUSSION: Errors of omission are common in primary care and could threaten patient safety. Efforts to eliminate them should focus on strengthening organizational attributes of practices, improving teamwork and communication, and assigning manageable workload to PCPs. CONCLUSIONS: Practice and policy change is necessary to address gaps in care and prevent them before they result in patient harm.

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Continuous HIV care supports antiretroviral therapy initiation and adherence, and prolongs survival. We investigated the association of social determinants of health (SDH) and subsequent retention in HIV care in a clinical cohort in Ontario, Canada. The Ontario HIV Treatment Network Cohort Study is a multi-site cohort of patients at 10 HIV clinics. Data were collected from medical charts, interviews, and via record linkage with the provincial public health laboratory for viral load tests. For participants interviewed in 2009, we used three-category multinomial logistic regression to identify predictors of retention in 2010-2012, defined as (1) continuous care (≥2 viral loads ≥90 days in all years; reference category); (2) discontinuous care (only 1 viral load/year in ≥1 year); and (3) a gap in care (≥1 year in 2010-2012 with no viral load). In total, 1838 participants were included. In 2010-2012, 71.7% had continuous care, 20.9% had discontinuous care, and 7.5% had a gap in care. Discontinuous care in 2009 was predictive (p < .0001) of future retention. SDH associated with discontinuous care were Indigenous ethnicity, being born in Canada, being employed, reporting hazardous drinking, and non-injection drug use. Being a heterosexual male was associated with having a gap in care, and being single and younger were associated with discontinuous care and a gap in care. Various SDH were associated with retention. Care discontinuity was highly predictive of future gaps. Targeted strategic interventions that better engage those at risk of suboptimal retention merit exploration. ABBREVIATIONS: AOR: adjusted odds ratio; ART: antiretroviral therapy; AUDIT: Alcohol Use Disorders Identification Test; CES-D: Center for Epidemiologic Studies Depression Scale; CIs: confidence intervals; HIV: human immunodeficiency virus; IQR: interquartile range; MSM: men who have sex with men; NA-ACCORD: North American AIDS Cohort Collaboration on Research and Design; OCS: Ontario HIV Treatment Network Cohort Study; OHTN: Ontario HIV Treatment Network; OR: odds ratio; PHOL: Public Health Ontario Laboratories; REB: Research Ethics Board; SDH: social determinants of health; US: United States.

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The HIV care continuum illustrates steps needed to reach HIV viral suppression, including retention in care. The continuum's retention measure does not account for gaps or reengagement in care and thus provides an incomplete picture of long-term engagement. We used a claims database to determine the proportion of privately insured persons with HIV who experienced a gap in care and subsequently reengaged between 2008 and 2012. A gap was defined as no office visit claim in >6 months and reengagement as ≥1 office visit claim after a gap. Cox proportional hazards models were conducted to determine factors associated with time to first gap and time to reengagement. Of 5142 persons in the study, 79% were males and median age was 46 years (range, 19-64 years). No race/ethnicity data were available. Thirty percent (n = 1555) experienced a gap. Median time to first gap was 15 months (IQR: 6-30). Median gap length was 3.2 months. Seventy percent with a gap reengaged; 22% reengaged more than once. Of 1086 patients who reengaged, 224 (21%) eventually had a terminal gap. Residence in the North Central region (HR 0.73, 95% CI 0.62-0.87) and having ≥1 Charlson comorbidities (HR 0.85, 95% CI 0.73-0.99) were associated with shorter time to reengagement. The majority who experienced a gap reengaged within a relatively short period and remained in the cohort at 60 months. However, 21% of those reengaging had a terminal gap by 60 months, which should alert providers to the eventual potential for loss to follow-up. The analysis was limited by inability to distinguish between HIV-specific and non-HIV-specific care visits.

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Managing risk related to low-density lipoprotein (LDL) is vital in therapy for patients at risk for atherosclerotic cardiovascular disease (ASCVD) events given its important etiologic role in atherogenesis. Despite decades of research showing reduction of ASCVD risk with multiple approaches to lowering of LDL cholesterol, there continue to be significant gaps in care with inadequate numbers of patients receiving standard of care lipid-lowering therapy. Confusion regarding implementation of the multiple published clinical practice guidelines has been identified as one contributor to suboptimal management of LDL-related risk. This review summarizes the current guidelines for reduction of LDL-related cardiovascular risk provided by a number of major professional societies, which have broad applicability to diverse populations worldwide. Statements have varied in the process and methodology of development of recommendations, the grading system for level and strength of evidence, the inclusion or exclusion of expert opinion, the suggested ASCVD risk assessment tool, the lipoproteins recommended for risk assessment, and the lipoprotein targets of therapy. The similarities and differences among important guidelines in the United States and internationally are discussed, with recommendations for future strategies to improve consistency in approaches to LDL-related ASCVD risk and to reduce gaps in implementation of evidence-based therapies.

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