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Background: Statin therapy is widely utilized for preventing atherosclerotic cardiovascular disease, both as a primary and secondary measure. Despite the American Association for the Study of Liver Diseases' endorsement of statin use in cirrhotic patients, practitioners exhibit hesitancy, primarily due to concerns regarding hepatotoxicity. This study aimed to evaluate statin prescription patterns in cirrhotic patients by primary care physicians (PCPs) and cardiologists through a survey. Methods: A voluntary survey via Survey Monkey with nine objective-type questions was sent to 220 PCPs and 75 cardiologists within Allegheny Health Network. Survey results were collected, and a chi square test was used to compare the two groups. A P value ≤ 0.05 was considered statistically significant. Results: A total of 64 PCPs (29.1%) and 15 cardiologists (20%) completed the survey. Overall, 12.6% did not prescribe statins for primary prevention of atherosclerotic cardiovascular disease in compensated cirrhotic patients. While all cardiologists prescribed statins for secondary prevention, over 50% preferred lower-intensity options. Conversely, 14.1% of PCPs avoided statin prescriptions for secondary prevention. Cardiologists were significantly more inclined to prescribe statins, especially for cirrhosis due to metabolic dysfunction-associated steatotic liver disease compared to PCPs (73.3% vs 45.3%, P = 0.05). Conclusions: Despite increasing evidence favoring use of statins in cirrhosis for improving portal hemodynamics and decreasing ascites, hepatic encephalopathy, the incidence of hepatocellular carcinoma, and mortality, there is still hesitation on the part of prescribers for the fear of worsening liver disease. Wider dissemination of current guidelines and education practices may help to bridge this gap.
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BACKGROUND: PROTECT IV is a current enrolling randomized controlled trial evaluating high-risk percutaneous coronary intervention (HR-PCI) with prophylactic Impella versus no Impella to reduce the composite primary endpoint of all-cause death, stroke, myocardial infarction (MI), or cardiovascular hospitalization. In a PROTECT IV-like cohort of patients who underwent HR-PCI without Impella, we aimed to report the rate of major adverse events to determine whether the trial is adequately powered. METHODS AND RESULTS: A total of 700 patients meeting similar inclusion/exclusion criteria of PROTECT IV who underwent HR-PCI without Impella at a single tertiary center from 2008 to 2022 were included in the analysis. The composite rates of all-cause death, MI, target lesion revascularization, and target vessel revascularization at 1, 2, and 3 years were estimated using the Kaplan-Meier method, and the results were used to calculate the sample size under the constant hazard ratio assumption and expected number of events to be observed used in planning PROTECT IV. The primary endpoint occurred in 30.8 % of patients at 2 years. PROTECT IV assumes a hazard ratio of 0.75 using a multivariate Cox regression, which, under a 5 % level and 90 % power, yields 516 events. This implies a 2-year primary outcome rate of 50 % for the non-Impella arm. CONCLUSION: Therefore, PROTECT IV estimates that a sample size of 1252 patients is required for Impella to be declared superior to the non-Impella group. Using our observed 2-year outcome of 30.8 %, we estimate that PROTECT IV requires 1966 patients, demonstrating that PROTECT IV is probably underpowered.
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Spontaneous coronary artery dissection (SCAD) is a rare cause of ST-segment elevation myocardial infarction (STEMI), predominantly affecting women. Because primary percutaneous coronary intervention (PPCI) is reserved for a select group of patients, vulnerable and minority patients may experience delays in appropriate management and adverse outcomes. We examined the racial differences in the outcomes for patients with SCAD who underwent PPCI for STEMI. Records of patients aged ≥18 years who underwent PPCI for SCAD-related STEMI between 2016 and 2020 were identified from the National Inpatient Sample database. Clinical, socioeconomic, and hospital characteristics were compared between non-White and White patients. Weighted multivariate analysis assessed the association of race with inpatient mortality, length of stay (LOS), and hospitalization costs. The total weighted estimate of patients with SCAD-STEMI who underwent PPCI was 4,945, constituting 25% non-White patients. Non-White patients were younger (56 vs 60.7 years, p <0.001); had a higher prevalence of diabetes, acute renal failure, and obesity; and were more likely to be uninsured and be in the lowest income group. Inpatient mortality (7.7% vs 8.4%, p = 0.74) and hospitalization costs ($34,213 vs $31,858, p = 0.27) were similar for non-White and White patients, and the adjusted analysis did not show any association between the patients' race and inpatient mortality (odds ratio 0.60, 95% confidence interval [CI] 0.32 to 1.13, p = 0.11) or hospitalization costs (ß [ß coefficient]: 215, 95% CI -4,193 to 4,623, p >0.90). Similarly, there was no association between the patients' race and LOS (incident rate ratio 1.20, 95% CI 1.00 to 1.45, p = 0.054). The weighted multivariate analysis showed that age; clinical co-morbidities such as diabetes, acute renal failure, valvular dysfunction, and obesity; low-income status; and hospitalization in the western region were associated with adverse outcomes. In conclusion, our study does not show any differences in inpatient mortality, LOS, and hospitalization costs between non-White and White patients who underwent PPCI for SCAD-related STEMI.
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Anomalías de los Vasos Coronarios , Mortalidad Hospitalaria , Intervención Coronaria Percutánea , Infarto del Miocardio con Elevación del ST , Humanos , Femenino , Masculino , Persona de Mediana Edad , Intervención Coronaria Percutánea/estadística & datos numéricos , Infarto del Miocardio con Elevación del ST/cirugía , Infarto del Miocardio con Elevación del ST/epidemiología , Anomalías de los Vasos Coronarios/complicaciones , Anomalías de los Vasos Coronarios/epidemiología , Anomalías de los Vasos Coronarios/cirugía , Estados Unidos/epidemiología , Enfermedades Vasculares/epidemiología , Enfermedades Vasculares/congénito , Enfermedades Vasculares/cirugía , Tiempo de Internación/estadística & datos numéricos , Anciano , Disparidades en Atención de Salud/estadística & datos numéricos , Costos de Hospital/estadística & datos numéricos , Estudios Retrospectivos , Lesión Renal Aguda/epidemiología , Lesión Renal Aguda/etiologíaRESUMEN
Bioprosthetic aortic valve thrombosis is frequently detected after transcatheter and surgical aortic valve replacement due to advances in cardiac computed tomography angiography technology and standardized surveillance protocols in low-surgical-risk transcatheter aortic valve replacement trials. However, evidence is limited concerning whether subclinical leaflet thrombosis leads to clinical adverse events or premature structural valve deterioration. Furthermore, there may be net harm in the form of bleeding from aggressive antithrombotic treatment in patients with subclinical leaflet thrombosis. This review will discuss the incidence, mechanisms, diagnosis, and optimal management of bioprosthetic aortic valve thrombosis after transcatheter aortic valve replacement and bioprosthetic surgical aortic valve replacement.
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Válvula Aórtica , Bioprótesis , Fibrinolíticos , Implantación de Prótesis de Válvulas Cardíacas , Prótesis Valvulares Cardíacas , Diseño de Prótesis , Trombosis , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Prótesis Valvulares Cardíacas/efectos adversos , Bioprótesis/efectos adversos , Trombosis/diagnóstico por imagen , Trombosis/etiología , Trombosis/terapia , Válvula Aórtica/cirugía , Válvula Aórtica/diagnóstico por imagen , Válvula Aórtica/fisiopatología , Factores de Riesgo , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Reemplazo de la Válvula Aórtica Transcatéter/instrumentación , Resultado del Tratamiento , Implantación de Prótesis de Válvulas Cardíacas/efectos adversos , Implantación de Prótesis de Válvulas Cardíacas/instrumentación , Fibrinolíticos/efectos adversos , Fibrinolíticos/administración & dosificación , Incidencia , Anticoagulantes/efectos adversos , Anticoagulantes/uso terapéutico , Anticoagulantes/administración & dosificación , Medición de Riesgo , Valor Predictivo de las PruebasRESUMEN
In the absence of standardized management guidelines, coronary artery aneurysms (CAAs) present therapeutic challenges. Percutaneous coronary intervention (PCI) is rarely explored, especially in giant aneurysms with persistent angina, where surgery might be presumed as a preferred option. We describe the technical aspects and feasibility of PCI using Gore Viabahn expanded polytetrafluoroethylene (ePTFE)-covered nitinol self-expanding stents in a 66-year-old woman with a complex medical history and an enlarging, symptomatic right coronary artery aneurysm. The case was complicated by endoleak after the first stent, but intravascular ultrasound guidance enabled the precise deployment of additional stents, resulting in the successful exclusion of the aneurysm. This case demonstrates steps to successful CAA PCI with Gore Viabahn ePTFE-covered nitinol self-expanding stents and emphasizes that in unsuitable surgical candidates, PCI might be a potential alternative for symptomatic CAAs.
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Aleaciones , Aneurisma Coronario , Diseño de Prótesis , Ultrasonografía Intervencional , Humanos , Aneurisma Coronario/diagnóstico por imagen , Aneurisma Coronario/cirugía , Aneurisma Coronario/terapia , Anciano , Femenino , Resultado del Tratamiento , Stents Metálicos Autoexpandibles , Angiografía Coronaria , Politetrafluoroetileno , Intervención Coronaria Percutánea/instrumentación , Stents , Angioplastia Coronaria con Balón/instrumentaciónRESUMEN
BACKGROUND: The intricate relationship between mental health disorders, notably anxiety and depression, and chest pain associated with non-obstructive coronary artery disease has become a focus of investigation. METHODS: This study from the Coronary Microvascular Disease Registry (CMDR) evaluated the association of mental health disorders and coronary microvascular dysfunction (CMD) among patients with angina with no obstructive coronary artery disease (ANOCA) who had undergone comprehensive invasive physiological testing for CMD. Clinical data regarding baseline characteristics, comorbidities, and noninvasive cardiac testing were obtained from chart review. The primary outcome of interest was the potential relationship between mental health diagnoses and the presence of CMD. RESULTS: Of patients included in the CMDR, 27 % (41/152) had at least one documented mental health disorder diagnosis (International Classification of Diseases, Tenth Revision codes) and CMD. There was no difference in mental health diagnosis prevalence between CMD-positive and CMD-negative patients (21.1 % vs. 28.9 %, p = 0.34). The most common mental health diagnoses were depression (15.8 %) and anxiety (15.8 %). Furthermore, 46.3 % (19/41) of patients with mental health disorders were prescribed psychiatric medications, with the most common being benzodiazepines (26.8 %). CONCLUSION: Patients with chest pain not due to CMD did not have an increased prevalence of mental health disorders compared with patients with ANOCA due to CMD, challenging the notion of a psychosomatic component in the pathogenesis of ANOCA.
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BACKGROUND: Coronary microvascular dysfunction (CMD) is associated with various inflammatory conditions that worsen endothelial dysfunction. This study aimed to investigate the relationship between CMD and inflammation using common inflammatory markers derived from complete blood count (CBC) analysis. METHODS: Information was gathered from the Coronary Microvascular Disease Registry to examine the neutrophil-to-lymphocyte ratio (NLR), eosinophil-to-monocyte ratio (EMR), and monocyte-to-high-density lipoprotein ratio (MHR) in a cohort of patients with angina who showed non-obstructive coronary arteries and underwent invasive physiological assessments for CMD. RESULTS: Of the 171 patients studied, 126 were CMD-negative and 45 were CMD-positive, constituting two groups of interest. The average age of all patients was 61.7 ± 11.1 years, and 63.7 % were female. No significant differences were observed between the two groups in terms of baseline characteristics, cardiovascular risk factors, or potential anti-inflammatory medications. Furthermore, there were no statistically significant differences in NLR (2.54 ± 3.71 vs. 2.52 ± 2.28, p = 0.97), EMR (0.3 ± 0.21 vs. 0.34 ± 0.29, p = 0.31), or MHR (0.02 ± 0.01 vs. 0.01 ± 0.01, p = 0.54) between CMD-positive and CMD-negative patients. CONCLUSION: Our findings did not show a noteworthy connection between CMD and inflammation, as suggested by various simple CBC-based biomarkers.
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BACKGROUND: Coronary microvascular dysfunction (CMD) has been implicated as a potential mechanism in the pathophysiology of different clinical presentations, including ischemia and no obstructive coronary artery disease (INOCA), myocardial infarction and nonobstructive coronary arteries (MINOCA), stress cardiomyopathy, heart failure, and myocarditis. There are limited data about the role of CMD in cancer therapy-related cardiovascular toxicities. CASE PRESENTATIONS: Four women with a diagnosis of active cancer receiving treatment who developed subsequent MINOCA or INOCA presented for cardiac catheterization. Upon coronary angiography showing no obstructive coronary arteries, coronary function testing was performed to evaluate for CMD. METHODS: Coronary physiology was assessed measuring non-hyperemic (resting full-cycle ratio [RFR]) and hyperemic (fractional flow reserve [FFR]) indices using a physiologic pressure wire. The wire also measured coronary flow reserve (CFR), index of microcirculatory resistance (IMR), and RFR using thermodilution technology. CMD was confirmed if the CFR was <2.5 and the IMR was >25. RESULTS: Among 4 patients with diagnosis of active cancer presenting with chest pain, there was no evidence of obstructive coronary artery disease, leading to separate diagnoses of INOCA, MINOCA, stress cardiomyopathy, and myocarditis. We found CMD in 2 patients (1 with INOCA and 1 with immune checkpoint inhibitor-related myocarditis). CONCLUSIONS: CMD may play a role in cardiovascular toxicities. Further coronary physiology studies are needed to understand the mechanisms of cancer therapy-related cardiovascular toxicity and CMD, as well as optimal preventive and treatment options.
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Cardiac tumors, although rare, carry high morbidity and mortality rates. They are commonly first identified either at echocardiography or incidentally at thoracoabdominal CT performed for noncardiac indications. Multimodality imaging often helps to determine the cause of these masses. Cardiac tumors comprise a distinct category in the World Health Organization (WHO) classification of tumors. The updated 2021 WHO classification of tumors of the heart incorporates new entities and reclassifies others. In the new classification system, papillary fibroelastoma is recognized as the most common primary cardiac neoplasm. Pseudotumors including thrombi and anatomic variants (eg, crista terminalis, accessory papillary muscles, or coumadin ridge) are the most common intracardiac masses identified at imaging. Cardiac metastases are substantially more common than primary cardiac tumors. Although echocardiography is usually the first examination, cardiac MRI is the modality of choice for the identification and characterization of cardiac masses. Cardiac CT serves as an alternative in patients who cannot tolerate MRI. PET performed with CT or MRI enables metabolic characterization of malignant cardiac masses. Imaging individualized to a particular tumor type and location is crucial for treatment planning. Tumor terminology changes as our understanding of tumor biology and behavior evolves. Familiarity with the updated classification system is important as a guide to radiologic investigation and medical or surgical management. ©RSNA, 2024 Supplemental material is available for this article.
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Neoplasias Cardíacas , Humanos , Ecocardiografía/métodos , Neoplasias Cardíacas/diagnóstico por imagen , Neoplasias Cardíacas/patología , Imagen por Resonancia Magnética/métodos , Imagen Multimodal/métodos , Tomografía Computarizada por Rayos X/métodos , Organización Mundial de la SaludRESUMEN
Aims: Occult (clinical) injuries represent 15% of all scaphoid fractures, posing significant challenges to the clinician. MRI has been suggested as the gold standard for diagnosis, but remains expensive, time-consuming, and is in high demand. Conventional management with immobilization and serial radiography typically results in multiple follow-up attendances to clinic, radiation exposure, and delays return to work. Suboptimal management can result in significant disability and, frequently, litigation. Methods: We present a service evaluation report following the introduction of a quality-improvement themed, streamlined, clinical scaphoid pathway. Patients are offered a removable wrist splint with verbal and written instructions to remove it two weeks following injury, for self-assessment. The persistence of pain is the patient's guide to 'opt-in' and to self-refer for a follow-up appointment with a senior emergency physician. On confirmation of ongoing signs of clinical scaphoid injury, an urgent outpatient 'fast'-wrist protocol MRI scan is ordered, with instructions to maintain wrist immobilization. Patients with positive scan results are referred for specialist orthopaedic assessment via a virtual fracture clinic. Results: From February 2018 to January 2019, there were 442 patients diagnosed as clinical scaphoid fractures. 122 patients (28%) self-referred back to the emergency department at two weeks. Following clinical review, 53 patients were discharged; MRI was booked for 69 patients (16%). Overall, six patients (< 2% of total; 10% of those scanned) had positive scans for a scaphoid fracture. There were no known missed fractures, long-term non-unions or malunions resulting from this pathway. Costs were saved by avoiding face-to-face clinical review and MRI scanning. Conclusion: A patient-focused opt-in approach is safe and effective to managing the suspected occult (clinical) scaphoid fracture.
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BACKGROUND: Recent studies have challenged the reported causal association between acute kidney injury and iodinated contrast administration, ascribing some cases to changes in renal function that are independent of contrast administration. METHODS: We studied 1779 consecutive patients undergoing right heart catheterization (RHC) at a Veterans Administration Medical Center. We compared the incidence of acute kidney injury and of nephropathy at 3 months in veterans undergoing right and left heart catheterization and coronary angiography (R&LHC) to the incidence of acute kidney injury and of nephropathy at 3 months in patients undergoing RHC only. RESULTS: The incidence of acute kidney injury at 3 days was 47 (9.7%) in the R&LHC group and 58 (9.6%) in the RHC group (P = .99). The incidence of nephropathy at 3 months was 115 (17%) in the L&RHC group and 141 (19.2%) in the RHC group (P = 0.31). In a propensity score-paired analysis of 782 patients and after adjustment for baseline characteristics, the odds ratio for acute kidney injury at 3 days among patients undergoing R&LHC was 1.25 (95% confidence interval, 0.65-2.42; P = .50), and the odds ratio for nephropathy at 3 months was 0.69 (95% confidence interval, 0.46-1.04; P = .08). CONCLUSION: The incidence of changes in creatinine consistent with acute kidney injury at 3 days and of nephropathy at 3 months was not significantly different in patients undergoing R&LHC compared with patients undergoing RHC only. This supports the thesis that not all changes in creatinine after procedures involving administration of contrast are caused by the contrast.
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Lesión Renal Aguda , Cateterismo Cardíaco , Medios de Contraste , Angiografía Coronaria , Humanos , Lesión Renal Aguda/epidemiología , Lesión Renal Aguda/etiología , Cateterismo Cardíaco/efectos adversos , Masculino , Angiografía Coronaria/efectos adversos , Angiografía Coronaria/métodos , Femenino , Anciano , Persona de Mediana Edad , Medios de Contraste/efectos adversos , Incidencia , Estudios RetrospectivosRESUMEN
High blood pressure causes over 10 million preventable deaths annually globally. Populations in low- and middle-income countries suffer the most, experiencing increased uncontrolled blood pressure and cardiovascular disease (CVD) deaths. Despite improvements in high-income countries, disparities persist, notably in the United States, where Black individuals face up to 4× higher CVD mortality than White individuals. Social determinants of health encompass complex, multidimensional factors linked to an individual's birthplace, upbringing, activities, residence, workplaces, socioeconomic and environmental structures, and significantly affect health outcomes, including hypertension and CVD. This review explored how social determinants of health drive disparities in hypertension and related CVD morbidity from a socioecological and life course perspective. We present evidence-based strategies, emphasizing interventions tailored to specific community needs and cross-sector collaboration to address health inequalities rooted in social factors, which are key elements toward achieving the United Nations' Sustainable Development Goal 3.4 for reducing premature CVD mortality by 30% by 2030.
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Enfermedades Cardiovasculares , Hipertensión , Humanos , Estados Unidos/epidemiología , Enfermedades Cardiovasculares/epidemiología , Determinantes Sociales de la Salud , Factores Sociales , Hipertensión/epidemiología , RentaRESUMEN
INTRODUCTION: Certain patent foramen ovale (PFO) characteristics, such as a large right-to-left shunt (RLS) or atrial septal aneurysm, identify patients who may receive the highest clinical benefit from percutaneous PFO closure. This study aimed to compare intracardiac echocardiography (ICE) with standard echocardiographic imaging in the evaluation of high-risk PFO characteristics and RLS severity in patients with PFO-associated stroke. METHODS: We conducted a retrospective review of all patients aged ≥18 years who underwent percutaneous PFO closure for PFO-associated stroke and received all three ultrasound-based cardiac imaging modalities and had interpretable results (N = 51). We then compared RLS severity, high-risk PFO characteristics, and the proportion of patients with a higher likelihood of PFO-associated stroke by ICE versus transthoracic echocardiogram (TTE) and transesophageal echocardiogram (TEE). RESULTS: The final cohort had a mean (±SE) age of 48.4 (±1.8) years and was predominantly female (58.8%). ICE was more likely to identify a large RLS versus TTE/TEE combined (66.7% vs. 45.1%; p = 0.03). The use of ICE resulted in significantly more patients being reclassified as having a higher likelihood of PFO-associated stroke (TTE vs. TEE vs. ICE: 10.4% vs. 14.6% vs. 25%; p = 0.03). A high-quality bubble study was found to be the single most important factor associated with identifying a larger RLS across all modalities (ρ [p]; TTE: 0.49 [<0.001], TEE: 0.60 [<0.001], ICE: 0.32 [0.02]). The presence of a hypermobile septum was associated with significantly greater RLS on ICE (ρ [p]: 0.3 [0.03]), especially with poor quality bubble studies (ρ [p]: 0.49 [0.02]). CONCLUSION: In this observational study of patients with PFO-associated stroke, ICE detected a large RLS more frequently than TTE and TEE; and reclassified some patients as having a higher likelihood of PFO-associated stroke.
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Foramen Oval Permeable , Accidente Cerebrovascular , Humanos , Femenino , Adolescente , Adulto , Persona de Mediana Edad , Masculino , Foramen Oval Permeable/complicaciones , Foramen Oval Permeable/diagnóstico por imagen , Foramen Oval Permeable/terapia , Estudios Retrospectivos , Resultado del Tratamiento , Ecocardiografía , Ecocardiografía Transesofágica , Accidente Cerebrovascular/etiologíaRESUMEN
Thoracic aortic injuries from intra-aortic balloon pump (IABP) are rare, and no publications exist in the context of patients awaiting heart transplantation. We present a single-institution case series involving five patients out of 107 who sustained thoracic aortic injuries following IABP placement awaiting heart transplantation. The goal of this study is to describe the characteristics of patients, presenting symptoms, treatment and the impact of these injuries on their suitability for transplantation. DESIGN: Retrospective, single-institution study through chart review of five patients with known thoracic aortic injuries following IABP placement awaiting heart transplant. SETTING: Tertiary care academic teaching hospital with all patients requiring cardiac ICU admission. PATIENTS: All five patients were diagnosed with advanced heart failure awaiting heart transplantation. INTERVENTIONS: Each patient had an IABP placed while awaiting transplant. MEASUREMENTS AND MAIN RESULTS: Five patients (4.6%) out of a total of 107 supported with IABP awaiting heart transplantation were identified with thoracic aortic injury. Three underwent transplantation and subsequently received thoracic endovascular aortic repair, and they are doing well with a mean follow-up of 6 months. One patient died acutely and the other did not require intervention. CONCLUSIONS: IABP-related aortic injuries may be more common in patients awaiting transplantation and that endovascular therapy is a suitable treatment modality with no immediate impact on transplantation outcomes. Pooled data from multiple centers may help identify patients risk profile to potentially design an algorithm that can more quickly identify these injuries.
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Chronic alcohol use induces innate immune genes, which activate the innate immune system. Neuroimmune regulatory proteins [e.g., Cluster of Differentiation 200 (CD200)] are immune response regulators and are involved in balancing the immune response. This study aimed to investigate the expression of CD200 on the surface of peripheral blood leukocytes in patients with alcohol use disorder and compare them with controls. Fifty male patients with alcohol use disorder were included in the study. A baseline assessment was done, and alcohol use history, craving, and withdrawal scores were collected. A 2-mL venous blood sample was collected from cases and controls for immunophenotyping of CD200. The control group consisted of 50 participants with similar socio-economic backgrounds. The cellular expression of CD200 on total leukocytes (median ± IQR) [39.94 (28.85, 50.01)] in cases was significantly lower compared to controls [45.07 (37.70, 51.69)] (U = 896, p = 0.015). Expression of CD200 on lymphocytes in cases was negatively correlated with years of heavy drinking and this was statistically significant (r = -0.321, p = 0.023). The study indicates that cellular expression of CD200 on the surface of peripheral blood leukocytes is reduced in alcohol-dependent patients. This reduction can contribute to exaggerated immune activity, release of pro-inflammatory cytokines, chronic microglial activation, neuroinflammation, and neurodegeneration in alcohol dependence.
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Alcoholismo , Humanos , Masculino , Antígenos CD/metabolismo , Leucocitos/metabolismo , Citocinas/metabolismoRESUMEN
Although transcatheter aortic valve implantation (TAVI) is considered a superior option to surgery in patients with small aortic annulus (SAA), it is not clear which type of transcatheter heart valve (THV) has better results in terms of echocardiographic hemodynamics and clinical outcomes. A random-effects meta-analysis was performed comparing balloon-expandable valves (BEVs) and self-expanding valves (SEVs) in patients with SAA who underwent TAVI regarding their impact on hemodynamic and clinical outcomes at short- and midterm follow-up. Relative risk (RR) and mean difference (MD) with 95% confidence interval (95% CI) were measured for the outcomes, as appropriate. Subgroup analyses were performed based on the generation type of devices and study designs. A total of 16 articles comprising 1 randomized trial, 3 propensity-matched studies, and 12 observational studies including 4,341 patients (1,967 in BEV and 2,374 in the SEV group) with SAA were included. The implantation of BEVs correlated with a lower indexed effective orifice area (MD -0.19 [-0.25 to -0.13]) and higher transvalvular mean pressure gradient (MD 3.91, 95% CI 2.96 to 4.87). Compared with SEVs, BEVs had increased risk of prosthesis-patient mismatch (PPM; RR 2.09, 95% CI 1.79 to 2.45) and severe PPM (RR 2.16, 95% CI 1.48 to 3.15). However, BEV had lower moderate and severe paravalvular leak (RR 0.45, 95% CI 0.29 to 0.69), risk of stroke (RR 0.57, 95% CI 0.42 to 0.76), and permanent pacemaker implantation (RR 0.63, 95% CI 0.44 to 0.91). The 1-year all-cause mortality (RR 1.13, 95% CI 0.86 to 1.49) and cardiac-related mortality (RR 1.53, 95% CI 0.24 to 9.81) were not different between the 2 groups. In conclusion, SEVs were associated with larger indexed effective orifice area and lower PPM but higher paravalvular leak. In contrast, patients with SEVs were more likely to develop stroke and required permanent pacemaker implantation. Both THVs did not show difference in terms of early and midterm all-cause and cardiac mortality. Because both types of THVs show similar results regarding mortality data, hemodynamics should be among the factors considered in decision making for patients with SAA who underwent TAVI.