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1.
Bull World Health Organ ; 101(9): 571-586, 2023 Sep 01.
Artículo en Inglés | MEDLINE | ID: mdl-37638359

RESUMEN

Objective: To conduct a systematic review of verbal autopsy studies in low- and middle-income countries to estimate the fraction of deaths due to cardiovascular disease. Method: We searched MEDLINE®, Embase® and Scopus databases for verbal autopsy studies in low- and middle-income countries that reported deaths from cardiovascular disease. Two reviewers screened the studies, extracted data and assessed study quality. We calculated cause-specific mortality fractions for cardiovascular disease for each study, both overall and according to age, sex, geographical location and type of cardiovascular disease. Findings: We identified 42 studies for inclusion in the review. Overall, the cardiovascular disease cause-specific mortality fractions for people aged 15 years and above was 22.9%. This fraction was generally higher for males (24.7%) than females (20.9%), but the pattern varied across World Health Organization regions. The highest cardiovascular disease mortality fraction was reported in the Western Pacific Region (26.3%), followed by the South-East Asia Region (24.1%) and the African Region (12.7%). The cardiovascular disease mortality fraction was higher in urban than rural populations in all regions, except the South-East Asia Region. The mortality fraction for ischaemic heart disease (12.3%) was higher than that for stroke (8.7%). Overall, 69.4% of cardiovascular disease deaths were reported in people aged 65 years and above. Conclusion: The burden of cardiovascular disease deaths outside health-care settings in low- and middle-income countries is substantial. Increasing coverage of verbal autopsies in these countries could help fill gaps in cardiovascular disease mortality data and improve monitoring of national, regional and global health goals.


Asunto(s)
Enfermedades Cardiovasculares , Femenino , Humanos , Masculino , Autopsia , Enfermedades Cardiovasculares/mortalidad , Países en Desarrollo , Isquemia Miocárdica/mortalidad , Accidente Cerebrovascular/mortalidad
2.
J Appl Toxicol ; 43(12): 1849-1858, 2023 12.
Artículo en Inglés | MEDLINE | ID: mdl-37460094

RESUMEN

This study aimed to clarify the cause-effect relationship between renal tubular damage and non-cancer mortality in the general Japanese population. We conducted a 19-year cohort study including 1110 men and 1,03 women who lived in three cadmium-non-polluted areas in 1993 or 1994. Mortality risk ratios based on urinary ß2-microglobulin (ß2MG) and N-acetyl-ß-glucosaminidase (NAG) concentrations were estimated for specific non-cancer diseases using the Fine and Gray competing risks regression model. In men, continuous urinary NAG (+1 µg/g cre) concentrations were significantly correlated with increased mortality caused by diseases of the respiratory system (hazard ratio (HR): 1.09, 95% confidence interval (CI): 1.03-1.15). Urinary ß2MG (+100 µg/g cre) concentrations were significantly correlated with increased mortalities caused by kidney and urinary tract diseases (HR: 1.01, 95% CI: 1.00-1.03), renal diseases (HR: 1.01, 95% CI: 1.00-1.03), renal failure (HR: 1.02, 95% CI: 1.00-1.03), and external causes of mortality (HR: 1.01, 95% CI: 1.00-1.02). In women, urinary NAG (+1 µg/g cre) concentrations were significantly associated with increased mortality caused by ischemic heart diseases (HR: 1.02, 95% CI: 1.00-1.04) and kidney and urinary tract diseases (HR: 1.01, 95% CI: 1.00-1.04). Urinary ß2MG (+100 µg/g cre) concentrations were significantly correlated with increased mortality caused by cardiovascular diseases (HR: 1.01, 95%CI: 1.00-1.02), ischemic heart diseases (HR: 1.01, 95%CI: 1.00-1.02), and kidney and urinary tract diseases (HR: 1.02, 95% CI: 1.01-1.03). The present study indicates that renal tubular damage was significantly related to several non-cancer disease causes of mortality in Japan's general population living in cadmium-non-polluted areas.


Asunto(s)
Enfermedades Renales , Isquemia Miocárdica , Femenino , Humanos , Masculino , Acetilglucosaminidasa/orina , Microglobulina beta-2/orina , Cadmio/toxicidad , Cadmio/orina , Estudios de Cohortes , Pueblos del Este de Asia , Exposición a Riesgos Ambientales/efectos adversos , Exposición a Riesgos Ambientales/análisis , Enfermedades Renales/inducido químicamente , Enfermedades Renales/mortalidad , Enfermedades Renales/orina , Isquemia Miocárdica/mortalidad
3.
BMC Public Health ; 23(1): 644, 2023 04 04.
Artículo en Inglés | MEDLINE | ID: mdl-37016366

RESUMEN

BACKGROUND: This study presented the mortality trend of ischemic heart disease (IHD) in Chinese residents from 2010 to 2019 and provided a basis for further establishment of relevant interventions. METHODS: Data, such as sex, age, urban and rural areas, and death status, were extracted from the China Death Surveillance Dataset from 2010 to 2019, with mortality and age-adjusted death rates (AADRs) as the main indicators. The joinpoint regression model was used to analyze mortality and AADRs trends in IHD. A semi-structured expert interview was conducted to propose targeted intervention measures and countermeasures. RESULTS: We observed an overall upward trend in IHD mortality rates and AADRs in China from 2010 to 2019 (average annual percentage change [AAPC] = 5.14%, AAPCAADRs = 1.60%, P < 0.001). Mortality rates and AADRs increased for both males (AAPC = 4.91%, AAPCAADRs = 1.09%, P < 0.05) and females (AAPC = 5.57%, AAPCAADRs = 1.84%, P < 0.001), with higher mortality rate for males than females but higher variation for females than males. Urban (AAPC = 4.80%, AAPCAADRs = 1.76%, P < 0.05) and rural (AAPC = 5.31%, P < 0.001; AAPCAADRs = 0.99%, P > 0.05) mortality rates increased, with the mortality rate higher in rural areas than in urban areas. In the age analysis, mortality rate was higher in middle-aged and older adults than in other age groups. The age-sex cross-analysis found the highest trend in mortality rates among females aged ≥ 75 years (annual percentage change [APC] = 2.43%, P < 0.05). CONCLUSIONS: The upward trend in IHD mortality in China from 2010 to 2019, especially among female residents aged ≥ 75 years, poses continuing challenges to public health policies and actions.


Asunto(s)
Isquemia Miocárdica , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , China/epidemiología , Mortalidad , Isquemia Miocárdica/mortalidad , Población Rural , Población Urbana , Pueblos del Este de Asia
4.
Ecotoxicol Environ Saf ; 242: 113931, 2022 Sep 01.
Artículo en Inglés | MEDLINE | ID: mdl-35914398

RESUMEN

AIMS: To study the association between short-term exposure to air pollutants and mortality of Chronic Ischemic Heart Disease (CIHD). METHODS: Using a case-crossover design, we investigated 148,443 CIHD deaths from 2015 to 2020 in Jiangsu Province, China. Exposure to six ambient pollutants, including PM10, PM2.5, NO2, CO, SO2, and O3, was assessed by extracting daily concentrations from validated 10 km × 10 km pollutant grids at each subject's residential address. A conditional logistic regression approach was used to explore the exposure-response relationship with adjustment for temperature and relative humidity. We calculated the Population Attributable Fractions (PAFs) and the attributable deaths number of CIHD. RESULTS: An increase of 10 µg/m3 in PM10 and PM2.5 exposure was associated with a 1.16% (95% CI: 0.85-1.48%) and 1.80% (1.36-2.24%) increase in CIHD mortality, respectively. A threshold value of 123 µg/m3 was identified for the association between O3 exposure and CIHD mortality. Controlling for PM2.5, each increase of 10 µg/m3 in O3 (>threshold) was statistically significantly associated with a 0.94% (0.19-1.71%) increase in CIHD mortality, however there was no association between NO2, SO2, CO exposure and CIHD mortality. Reducing PM2.5, PM10 and O3 to the WHO air quality guidelines would prevent 6.16% (95% CI: 4.70-7.58%), 4.30% (3.18-5.43%) and 1.29% (0.48-4.20%) of CIHD deaths, respectively. During the warm season, mortality and PAFs of CIHD associated with PM2.5, PM10, and O3 were significantly higher. CONCLUSIONS: Short-term exposure to ambient PM2.5, PM10, and O3 might trigger deaths from CIHD. These findings indicate that the premature deaths of CIHD patients can be alleviated by reducing exposure to polluted air.


Asunto(s)
Contaminantes Atmosféricos , Isquemia Miocárdica , Ozono , Material Particulado , Contaminantes Atmosféricos/efectos adversos , Contaminantes Atmosféricos/análisis , Contaminación del Aire/efectos adversos , Contaminación del Aire/análisis , China/epidemiología , Estudios Cruzados , Exposición a Riesgos Ambientales/efectos adversos , Exposición a Riesgos Ambientales/análisis , Humanos , Isquemia Miocárdica/mortalidad , Dióxido de Nitrógeno/efectos adversos , Dióxido de Nitrógeno/análisis , Ozono/efectos adversos , Ozono/análisis , Material Particulado/efectos adversos , Material Particulado/análisis
5.
JAMA Intern Med ; 182(10): 1101-1103, 2022 10 01.
Artículo en Inglés | MEDLINE | ID: mdl-36036927

RESUMEN

This cross-sectional study examines the percentage of deaths attributed to ischemic heart disease by age and sex of Asian Indian, Chinese, Filipino, Japanese, Korean, and Vietnamese decedents.


Asunto(s)
Asiático , Isquemia Miocárdica , Pueblo Asiatico , Humanos , Salud de las Minorías , Isquemia Miocárdica/mortalidad , Población Blanca
6.
N Engl J Med ; 387(15): 1351-1360, 2022 10 13.
Artículo en Inglés | MEDLINE | ID: mdl-36027563

RESUMEN

BACKGROUND: Whether revascularization by percutaneous coronary intervention (PCI) can improve event-free survival and left ventricular function in patients with severe ischemic left ventricular systolic dysfunction, as compared with optimal medical therapy (i.e., individually adjusted pharmacologic and device therapy for heart failure) alone, is unknown. METHODS: We randomly assigned patients with a left ventricular ejection fraction of 35% or less, extensive coronary artery disease amenable to PCI, and demonstrable myocardial viability to a strategy of either PCI plus optimal medical therapy (PCI group) or optimal medical therapy alone (optimal-medical-therapy group). The primary composite outcome was death from any cause or hospitalization for heart failure. Major secondary outcomes were left ventricular ejection fraction at 6 and 12 months and quality-of-life scores. RESULTS: A total of 700 patients underwent randomization - 347 were assigned to the PCI group and 353 to the optimal-medical-therapy group. Over a median of 41 months, a primary-outcome event occurred in 129 patients (37.2%) in the PCI group and in 134 patients (38.0%) in the optimal-medical-therapy group (hazard ratio, 0.99; 95% confidence interval [CI], 0.78 to 1.27; P = 0.96). The left ventricular ejection fraction was similar in the two groups at 6 months (mean difference, -1.6 percentage points; 95% CI, -3.7 to 0.5) and at 12 months (mean difference, 0.9 percentage points; 95% CI, -1.7 to 3.4). Quality-of-life scores at 6 and 12 months appeared to favor the PCI group, but the difference had diminished at 24 months. CONCLUSIONS: Among patients with severe ischemic left ventricular systolic dysfunction who received optimal medical therapy, revascularization by PCI did not result in a lower incidence of death from any cause or hospitalization for heart failure. (Funded by the National Institute for Health and Care Research Health Technology Assessment Program; REVIVED-BCIS2 ClinicalTrials.gov number, NCT01920048.).


Asunto(s)
Enfermedad de la Arteria Coronaria , Insuficiencia Cardíaca , Intervención Coronaria Percutánea , Disfunción Ventricular Izquierda , Humanos , Insuficiencia Cardíaca/etiología , Insuficiencia Cardíaca/terapia , Volumen Sistólico , Resultado del Tratamiento , Disfunción Ventricular Izquierda/tratamiento farmacológico , Disfunción Ventricular Izquierda/etiología , Disfunción Ventricular Izquierda/mortalidad , Disfunción Ventricular Izquierda/cirugía , Función Ventricular Izquierda , Enfermedad de la Arteria Coronaria/complicaciones , Enfermedad de la Arteria Coronaria/tratamiento farmacológico , Enfermedad de la Arteria Coronaria/mortalidad , Enfermedad de la Arteria Coronaria/cirugía , Fármacos Cardiovasculares/uso terapéutico , Isquemia Miocárdica/tratamiento farmacológico , Isquemia Miocárdica/etiología , Isquemia Miocárdica/mortalidad , Isquemia Miocárdica/cirugía
7.
Turk Kardiyol Dern Ars ; 50(5): 348-355, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35860887

RESUMEN

OBJECTIVE: Cardiovascular diseases still play an important role in public health and epidemiol- ogy as the leading cause of death worldwide. Ischemic heart disease is the most common reason in this group. This study aims to analyze the latest trends in ischemic heart disease mor- tality rates in Turkey by age, gender, and region using the Turkish Statistical Institute mortality data and evaluate the results. METHODS: We have obtained ischemic heart disease mortality data (2009-2019, in 12 regions) for Turkey from the mortality database of the Turkish Statistical Institute. Joinpoint analysis was used to estimate the annual percentage change and average annual percentage change to identify significant changes in trends. RESULTS: The mean mortality rate for ischemic heart disease in Turkey was in an increasing trend from 2009 to 2019 (annual percentage change=1.7 (-0.8; 4.3), P=.166). This increase was more pronounced in women (annual percentage change=2.2 (-0.7; 5.2), P=.121) compared to men (annual percentage change=1.4 (-1.1; 3.9), P=.235). When the period between 2015 and 2019 was evaluated, it was determined that ischemic heart disease mortality was in a decreasing trend in the groups over 65 years of age. The death rate due to ischemic heart disease is almost 2 times higher in men than in women in Turkey, and this rate ratio is highest in the Istanbul region. CONCLUSION: Although ischemic heart disease mortality trends have decreased globally, our country's average is still on an increasing trend. However, significant decreases have been observed in ischemic heart disease mortality rates, especially in the group over 65 years of age, in the last 5 years.


Asunto(s)
Enfermedades Cardiovasculares , Isquemia Miocárdica , Enfermedades Cardiovasculares/mortalidad , Bases de Datos Factuales , Femenino , Humanos , Masculino , Mortalidad , Isquemia Miocárdica/mortalidad , Turquia/epidemiología
8.
Rev. Hosp. Ital. B. Aires (2004) ; 42(1): 12-20, mar. 2022. graf, ilus, tab
Artículo en Español | LILACS, UNISALUD, BINACIS | ID: biblio-1368801

RESUMEN

Introducción: determinar la causa de muerte de los pacientes internados con enfermedad cardiovascular es de suma importancia para poder tomar medidas y así mejorar la calidad su atención y prevenir muertes evitables. Objetivos: determinar las principales causas de muerte durante la internación por enfermedades cardiovasculares. Desarrollar y validar un algoritmo para clasificar automáticamente a los pacientes fallecidos durante la internación con enfermedades cardiovasculares Diseño del estudio: estudio exploratorio retrospectivo. Desarrollo de un algoritmo de clasificación. Resultados: del total de 6161 pacientes, el 21,3% (1316) se internaron por causas cardiovasculares; las enfermedades cerebrovasculares representan el 30,7%, la insuficiencia cardíaca el 24,9% y las enfermedades cardíacas isquémicas el 14%. El algoritmo de clasificación según motivo de internación cardiovascular vs. no cardiovascular alcanzó una precisión de 0,9546 (IC 95%: 0,9351-0,9696). El algoritmo de clasificación de causa específica de internación cardiovascular alcanzó una precisión global de 0,9407 (IC 95%: 0,8866-0,9741). Conclusiones: la enfermedad cardiovascular representa el 21,3% de los motivos de internación de pacientes que fallecen durante su desarrollo. Los algoritmos presentaron en general buena performance, particularmente el de clasificación del motivo de internación cardiovascular y no cardiovascular y el clasificador según causa específica de internación cardiovascular. (AU)


Introduction: determining the cause of death of hospitalized patients with cardiovascular disease is of the utmost importance in order to take measures and thus improve the quality of care of these patients and prevent preventable deaths. Objectives: to determine the main causes of death during hospitalization due to cardiovascular diseases.To development and validate a natural language processing algorithm to automatically classify deceased patients according to their cause for hospitalization. Design: retrospective exploratory study. Development of a natural language processing classification algorithm. Results: of the total 6161 patients in our sample who died during hospitalization, 21.3% (1316) were hospitalized due to cardiovascular causes. The stroke represent 30.7%, heart failure 24.9%, and ischemic cardiac disease 14%. The classification algorithm for detecting cardiovascular vs. Non-cardiovascular admission diagnoses yielded an accuracy of 0.9546 (95% CI 0.9351, 0.9696), the algorithm for detecting specific cardiovascular cause of admission resulted in an overall accuracy of 0.9407 (95% CI 0.8866, 0.9741). Conclusions: cardiovascular disease represents 21.3% of the reasons for hospitalization of patients who die during hospital stays. The classification algorithms generally showed good performance, particularly the classification of cardiovascular vs non-cardiovascular cause for admission and the specific cardiovascular admission cause classifier. (AU)


Asunto(s)
Humanos , Inteligencia Artificial/estadística & datos numéricos , Trastornos Cerebrovasculares/mortalidad , Isquemia Miocárdica/mortalidad , Insuficiencia Cardíaca/mortalidad , Hospitalización , Calidad de la Atención de Salud , Algoritmos , Reproducibilidad de los Resultados , Análisis Factorial , Mortalidad , Causas de Muerte , Registros Electrónicos de Salud
9.
Environ Pollut ; 301: 118990, 2022 May 15.
Artículo en Inglés | MEDLINE | ID: mdl-35181451

RESUMEN

Exposure to green space has been proposed to be beneficially associated with cardiovascular morbidity and mortality. Many studies have explored this topic, but the results remain conflicting. We aimed to evaluate the epidemiological evidence on this topic by performing a systematic review with meta-analysis. We searched PubMed, Web of Science and Embase for studies on the association between green space and cardiovascular disease (CVD) that were published till January 2022. Two authors independently performed study selection, data extraction, quality assessment, and risk of bias assessment. For studies providing detailed numeric data, we also conducted quantitative meta-analyses and calculated the pooled odd ratios (ORs) for associations between the most commonly used exposure estimate (normalized difference vegetative index [NDVI]) and five CVD events: CVD mortality, ischemic heart disease (IHD) mortality, cerebrovascular disease (CBVD) mortality, and stroke incidence/prevalence. Additional analyses were conducted to explore the geographical scale effects of NDVI. Publication bias tests were also conducted. Of the 6787 records identified, 53 studies were eligible for inclusion. These studies covered 18 countries and included data from more than 100 million persons. Meta-analyses showed that a 0.1 increase in NDVI was significantly associated with 2-3% lower odds of CVD mortality (OR: 0.97, 95% CI: 0.96-0.99), IHD mortality (OR: 0.98, 95% CI: 0.96-1.00), CBVD mortality (OR: 0.98, 95% CI: 0.97-1.00), and stroke incidence/prevalence (OR: 0.98, 95% CI: 0.96-0.99). There was no significant difference between the pooled estimates for different buffer sizes. No evidence of publication bias was detected. We provide strong and robust evidence for the beneficial effects of green space exposure on cardiovascular health. More prospective studies and mechanistic studies, especially that conducted in low- and middle-income countries, are merited to strengthen our conclusions.


Asunto(s)
Enfermedades Cardiovasculares , Isquemia Miocárdica , Accidente Cerebrovascular , Enfermedades Cardiovasculares/epidemiología , Enfermedades Cardiovasculares/mortalidad , Humanos , Isquemia Miocárdica/epidemiología , Isquemia Miocárdica/mortalidad , Parques Recreativos , Estudios Prospectivos , Accidente Cerebrovascular/epidemiología
10.
J Thorac Cardiovasc Surg ; 163(3): 1058-1067, 2022 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-32653287

RESUMEN

OBJECTIVE: The study objective was to evaluate the short- and long-term outcomes of patients with ischemic cardiomyopathy after surgical ventricular restoration and to identify risk factors related to poor results. METHODS: Between August 2002 and April 2016, 62 patients affected by ischemic cardiomyopathy underwent surgical left ventricular restoration at our unit. Patients' mean age at operation was 63 years (39-79 years). Mean ejection fraction was 29.6%. The Surgical Treatment for Ischemic Heart Failure trial criteria have been used as indications for surgery. Fifty-seven patients (91%) received surgical myocardial revascularization. Mitral valve repair was performed in 39 patients (63%). The surgical technique consisted of the classic Dor operation or a different approach reducing the equatorial diameter of the left ventricle and avoiding the use of a patch. The data were analyzed retrospectively for perioperative results and short- and long-term clinical outcomes. RESULTS: One patient died of noncardiac causes within 30 days (1.6%). All-cause death occurred in 36 patients (58%) during follow-up (0.6-14.7 years; median follow-up time, 7.02 years), of whom 15 died of cardiac causes. Age, need for preoperative intra-aortic balloon pump, reduction less than 35% of postoperative left ventricular end-diastolic and end-systolic volumes, type of surgical technique, and ejection fraction less than 25% were identified as risk factors for late cardiac mortality. Perioperative levosimendan administration and presence of preoperative moderate to severe mitral regurgitation influenced early and intermediate-term outcomes, but no statistical relevance on long-term results was demonstrated. CONCLUSIONS: Patients with ischemic dilative cardiomyopathy have favorable short- and long-term outcomes after ventricular restoration. Age, preoperative ejection fraction less than 25%, inadequate left ventricular surgical reverse remodeling, and type of surgical technique negatively affect long-term survival.


Asunto(s)
Procedimientos Quirúrgicos Cardíacos , Cardiomiopatía Dilatada/cirugía , Ventrículos Cardíacos/cirugía , Isquemia Miocárdica/complicaciones , Función Ventricular Izquierda , Adulto , Factores de Edad , Anciano , Procedimientos Quirúrgicos Cardíacos/efectos adversos , Procedimientos Quirúrgicos Cardíacos/mortalidad , Cardiomiopatía Dilatada/etiología , Cardiomiopatía Dilatada/mortalidad , Cardiomiopatía Dilatada/fisiopatología , Femenino , Ventrículos Cardíacos/fisiopatología , Humanos , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/mortalidad , Isquemia Miocárdica/fisiopatología , Calidad de Vida , Recuperación de la Función , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Volumen Sistólico , Factores de Tiempo , Resultado del Tratamiento
11.
J Thorac Cardiovasc Surg ; 163(2): 607-622.e14, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-32713629

RESUMEN

BACKGROUND: Treatment of ischemic mitral regurgitation (IMR) is in evolution, as percutaneous procedures and complex surgical repair have been recently investigated in randomized clinical trials and matched studies. This study aims to review and compare the current treatment options for IMR. METHODS: A comprehensive literature search was conducted using electronic databases. The primary outcome was all-cause long-term mortality. The secondary outcomes were perioperative mortality, unplanned rehospitalization, reoperation, and composite end points as defined in the original articles. RESULTS: A total of 12 articles met the inclusion criteria and were included in the final meta-analysis. The MitraClip procedure did not confer a significant benefit in mortality and repeated hospitalization compared with medical therapy alone. In patients with moderate IMR, the adjunct of mitral procedure over coronary artery bypass graft is not associated with clinical improvements. When evaluating mitral valve (MV) replacement versus repair, hospital mortality was greater among patients undergoing replacement (odds ratio [OR], 1.91; P = .009), but both reoperation and readmission rates were lower (OR, 0.60, P = .05; and OR, 0.45, P < .02, respectively). Comparing restrictive annuloplasty alone with adjunctive subvalvular repair, subvalvular procedures resulted in fewer readmissions (OR, 0.50; P = .06) and adverse composite end points (P = .009). CONCLUSIONS: MitraClip procedure is not associated with improved outcomes compared with medical therapy. MV replacement is associated with increased early mortality but reduced reoperation rate and readmission rate compared with MV repair using annuloplasty in moderate-to-severe IMR. Despite no significant benefit in isolated outcomes comparing annular and adjunct subvalvular procedures, the adjunct of subvalvular procedures reduces the risk of major postoperative adverse events.


Asunto(s)
Fármacos Cardiovasculares/uso terapéutico , Implantación de Prótesis de Válvulas Cardíacas , Anuloplastia de la Válvula Mitral , Insuficiencia de la Válvula Mitral/terapia , Válvula Mitral/cirugía , Isquemia Miocárdica/complicaciones , Anciano , Anciano de 80 o más Años , Fármacos Cardiovasculares/efectos adversos , Femenino , Prótesis Valvulares Cardíacas , Implantación de Prótesis de Válvulas Cardíacas/efectos adversos , Implantación de Prótesis de Válvulas Cardíacas/instrumentación , Implantación de Prótesis de Válvulas Cardíacas/mortalidad , Mortalidad Hospitalaria , Humanos , Masculino , Persona de Mediana Edad , Válvula Mitral/fisiopatología , Anuloplastia de la Válvula Mitral/efectos adversos , Anuloplastia de la Válvula Mitral/instrumentación , Anuloplastia de la Válvula Mitral/mortalidad , Insuficiencia de la Válvula Mitral/etiología , Insuficiencia de la Válvula Mitral/mortalidad , Insuficiencia de la Válvula Mitral/fisiopatología , Isquemia Miocárdica/mortalidad , Isquemia Miocárdica/fisiopatología , Readmisión del Paciente , Complicaciones Posoperatorias/mortalidad , Complicaciones Posoperatorias/cirugía , Diseño de Prótesis , Recuperación de la Función , Reoperación , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Resultado del Tratamiento
12.
J Thorac Cardiovasc Surg ; 163(2): 663-672.e3, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-32386761

RESUMEN

OBJECTIVE: Chronic kidney disease is a known risk factor in cardiovascular disease, but its influence on treatment effect of bypass surgery remains unclear. We assessed the influence of chronic kidney disease on 10-year mortality and cardiovascular outcomes in patients with ischemic heart failure treated with medical therapy (medical treatment) with or without coronary artery bypass grafting. METHODS: We calculated the baseline estimated glomerular filtration rate (Chronic Kidney Disease Epidemiology Collaboration formula, chronic kidney disease stages 1-5) from 1209 patients randomized to medical treatment or coronary artery bypass grafting in the Surgical Treatment for IsChemic Heart failure trial and assessed its effect on outcome. RESULTS: In the overall Surgical Treatment for IsChemic Heart failure cohort, patients with chronic kidney disease stages 3 to 5 were older than those with stages 1 and 2 (66-71 years vs 54-59 years) and had more comorbidities. Multivariable modeling revealed an inverse association between estimated glomerular filtration rate and risk of death, cardiovascular death, or cardiovascular rehospitalization (all P < .001, but not for stroke, P = .697). Baseline characteristics of the 2 treatment arms were equal for each chronic kidney disease stage. There were significant improvements in death or cardiovascular rehospitalization with coronary artery bypass grafting (stage 1: hazard ratio, 0.71; confidence interval, 0.53-0.96, P = .02; stage 2: hazard ratio, 0.71; confidence interval, 0.59-0.84, P < .0001; stage 3: hazard ratio, 0.76; confidence interval, 0.53-0.96, P = .03). These data were inconclusive in stages 4 and 5 for insufficient patient numbers (N = 28). There was no significant interaction of estimated glomerular filtration rate with the treatment effect of coronary artery bypass grafting (P = .25 for death and P = .54 for death or cardiovascular rehospitalization). CONCLUSIONS: Chronic kidney disease is an independent risk factor for mortality in patients with ischemic heart failure with or without coronary artery bypass grafting. However, mild to moderate chronic kidney disease does not appear to influence long-term treatment effects of coronary artery bypass grafting.


Asunto(s)
Fármacos Cardiovasculares/uso terapéutico , Puente de Arteria Coronaria , Tasa de Filtración Glomerular , Insuficiencia Cardíaca/tratamiento farmacológico , Riñón/fisiopatología , Isquemia Miocárdica/cirugía , Insuficiencia Renal Crónica/fisiopatología , Anciano , Fármacos Cardiovasculares/efectos adversos , Puente de Arteria Coronaria/efectos adversos , Puente de Arteria Coronaria/mortalidad , Femenino , Insuficiencia Cardíaca/diagnóstico por imagen , Insuficiencia Cardíaca/mortalidad , Insuficiencia Cardíaca/fisiopatología , Humanos , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/diagnóstico por imagen , Isquemia Miocárdica/mortalidad , Isquemia Miocárdica/fisiopatología , Estudios Prospectivos , Insuficiencia Renal Crónica/diagnóstico , Insuficiencia Renal Crónica/mortalidad , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Resultado del Tratamiento
13.
J Rheumatol ; 49(2): 165-170, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-34266988

RESUMEN

OBJECTIVE: To examine the association between psoriatic arthritis (PsA) and all-cause mortality from a large population-based database. METHODS: Patients with PsA from the Clalit Health Services database were identified between 2003-2018 and matched to 4 controls by age, sex, ethnicity, and index date. Patient demographics, comorbidities, and treatments were extracted. Mortality data were obtained from the Israeli Notification of Death certificate. The proportionate mortality rate (PMR) of the leading causes of death was calculated and compared to that of the general population. Cox proportional hazard regression models were used to estimate the crude and the multivariate adjusted HR for the association between PsA and all-cause mortality and for factors associated with mortality within the PsA group. RESULTS: There were 5275 patients with PsA and 21,011 controls included and followed for 7.2 ± 4.4 years. The mean age was 51.7 ± 15.4 years, and 53% were females. Among patients with PsA, 38.2% were on biologics. Four hundred seventy-one (8.9%) patients died in the PsA group compared to 1668 (7.9%) in the control group. The crude HR for the association of PsA and all-cause mortality was 1.16 (95% CI 1.04-1.29) and 1.02 (95% CI 0.90-1.15) on multivariate analysis. Malignancy was the leading cause of death (26%), followed by ischemic heart disease (15.8%); this is in keeping with the leading causes of death in the general population. Older age, male sex, lower socioeconomic status, increased BMI, increased Charlson comorbidity index scores, and history of psoriasis or hospitalization in 1 year prior to entry were positive predictors for mortality. CONCLUSION: No clinically relevant increase in mortality rate was observed in patients with PsA, and specific PMRs were similar to those of the general population.


Asunto(s)
Artritis Psoriásica , Mortalidad , Adulto , Anciano , Artritis Psoriásica/epidemiología , Causas de Muerte , Femenino , Humanos , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/mortalidad , Neoplasias/mortalidad , Modelos de Riesgos Proporcionales
14.
Ann Vasc Surg ; 78: 209-219, 2022 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-34175413

RESUMEN

BACKGROUND: Perioperative myocardial ischemia (PMI) after non-cardiac surgery remains a serious postoperative complication. This study analyzed the risk factors and outcomes of patients who suffered from PMI after elective aortic surgery. PATIENTS AND METHODS: Data from 863 patients who underwent elective aortic surgery for aneurysms or Leriche syndrome were retrospectively analysed with regard to PMI. The diagnosis of PMI was based on a positive serum troponin diagnostic test. According to the clinical signs and symptoms, the patients with PMI were divided into two groups: symptomatic and asymptomatic patients. Comorbidities, preoperative medication, intraoperative parameters, postoperative complications, mortality, length of intensive care stay and hospitalisation, as well as the long-term follow-up, were compared in a matched-pair analysis (1:3) with patients without PMI. Logistic regression analyses were performed to identify independent risk factors for PMI. RESULTS: Thirty-two patients with PMI were identified. Cardiac comorbidities (previous myocardial ischemia, P = 0.0099; left ventricular systolic dysfunction, P = 0.0429), ASA score ≥III (P = 0.0114) and preoperative elevated creatinine (P = 0.0194) were more common in patients who suffered PMI. The regression analysis confirmed that peripheral artery disease and prolonged operative duration >180 min are significant predictors of PMI. Surgical complications (wound healing deficit, P = 0.0027; rate of secondary interventions during primary admission, P = 0.0057) and medical complications (pneumonia, P = 0.0002; renal dysfunction, P = 0.0041) were more common in patients with PMI compared to the control group. Patients who suffered PMI remained in intensive care for a significantly longer period (P = 0.0001) and were also hospitalized for longer (P = 0.0001) than the control group. The long-term survival of patients who suffered PMI after aortic surgery was significantly worse than the control group (P < 0.0001, median 53 vs. 84 months), independent of clinical ischemia-associated symptoms. CONCLUSIONS: PMI after aortic surgery not only affects long-term survival, but also correlates with worsening of surgical outcome. Thus, meticulous preoperative risk stratification is required for high-risk patients, together with routine postoperative monitoring of troponin levels after aortic surgery.


Asunto(s)
Aneurisma de la Aorta/cirugía , Síndrome de Leriche/cirugía , Isquemia Miocárdica/etiología , Evaluación de Procesos y Resultados en Atención de Salud , Procedimientos Quirúrgicos Vasculares/efectos adversos , Anciano , Anciano de 80 o más Años , Aneurisma de la Aorta/complicaciones , Aneurisma de la Aorta/diagnóstico por imagen , Aneurisma de la Aorta/mortalidad , Procedimientos Quirúrgicos Electivos , Femenino , Humanos , Síndrome de Leriche/diagnóstico por imagen , Síndrome de Leriche/mortalidad , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/diagnóstico , Isquemia Miocárdica/mortalidad , Tempo Operativo , Enfermedad Arterial Periférica/complicaciones , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Resultado del Tratamiento , Procedimientos Quirúrgicos Vasculares/mortalidad
15.
Rio de Janeiro; s.n; 2022. 71 f p. tab, graf.
Tesis en Portugués | LILACS | ID: biblio-1392721

RESUMEN

As doenças cardiovasculares (DCV) são a principal causa de morte no Brasil e no mundo. As doenças isquêmicas do coração (DIC) e doenças cerebrovasculares (DCBV) estão entre as dez principais causas de mortes no Brasil. A análise de tendência da mortalidade por DCV permite definir populações prioritárias para intervenções, elaborar e avaliar ações em saúde pública. Nesse sentido, o objetivo do estudo foi analisar a tendência da mortalidade por DIC e DCBV nas 27 capitais brasileiras, no período de 1990 a 2018. Trata-se de um estudo ecológico de série temporal, os dados de óbitos foram obtidos através do Sistema de Informações sobre Mortalidade (SIM). Buscando corrigir problemas na qualidade da informação dos registros de óbito do SIM, realizou-se a correção dos óbitos referentes aos dados com sexo e/ou faixa etária ignorada e aos óbitos registrados com causas "mal definidas". As taxas de mortalidade por DIC e DBCV foram padronizadas pelo método direto, tomando-se como população padrão a população do Brasil no ano de 2010. A análise de tendência da mortalidade por DIC e DCBV para a população total, homens e mulheres foi realizada utilizando o modelo de regressão de Poisson. Os resultados mostraram tendência de redução da mortalidade por DCBV tanto para a população total como para homens e mulheres em todas as capitais brasileiras. Vitória, capital da região Sudeste, apresentou a maior redução da taxa de mortalidade total por DCBV dentre todas as capitais brasileiras, -5,6% ao ano (IC95%: -6,0; -5,1%). No entanto, Macapá, capital da região Norte, teve a menor dentre todas as capitais -1,7% ao ano (IC95%: -2,7; -0,7%). Paras as DIC foi observada tendência de redução da mortalidade tanto para a população total como para homens e mulheres nas capitais das regiões Sul, Sudeste e para a maioria das capitais da região Centro-Oeste. As capitais das regiões Norte e Nordeste apresentaram uma variabilidade na tendência da mortalidade por DIC. Conclui-se que as capitais das regiões Sul e Sudeste apresentaram as maiores reduções da tendência da mortalidade por DIC e DCBV. Os achados desse estudo são importantes para prover informações mais detalhadas buscando auxiliar a gestão local na promoção de políticas de saúde pública, planejamento de estratégias e elaboração de medidas e ações em saúde.


Cardiovascular diseases (CVD) are the leading cause of death in Brazil and worldwide. Ischemic heart diseases (IHD) and cerebrovascular diseases (CBVD) are among Brazil's ten main causes of death. The trend analysis of mortality from CVD allows defining priority populations for interventions, designing and evaluating public health actions. In this sense, the study's objective was to analyze the mortality trend from IHD and CBVD in the 27 Brazilian capitals from 1990 to 2018. This is an ecological time-series study with the Mortality Information System (SIM) data. Seeking to correct the quality of the information in the SIM death records, the correction of deaths referring to data with anonymous sex and age group and deaths recorded with "ill-defined" causes was carried out. IHD and CBVD mortality rates were standardized by the direct method, using the population of Brazil in 2010 as the standard population. Trend analysis of IHD and CBVD mortality for the total population, men and women, was performed using the Poisson regression model. The results showed a reduction in the trend of mortality from CBVD for both the total population and for men and women in all Brazilian capitals. Vitória, the capital of the Southeast region, showed the greatest reduction in the total mortality rate from CVD among all Brazilian capitals, -5.6% per year (95%CI: -6.0; -5.1%). However, Macapá, the capital of the North region, had the lowest among all capitals -1.7% per year (95%CI: -2.7; -0.7%). For IHD, a decrease in the mortality trend was observed both for the total population and for men and women in the capitals of the South and Southeast regions and most capitals of the Center-West region. The capitals of the North and Northeast regions showed variability in the trend of IHD mortality. In conclusion, the capitals of the South and Southeast regions showed the greatest reductions in the mortality trend due to IHD and CBVD. The findings of this study are essential to provide more detailed information to assist local management in promoting public health policies, planning strategies, and designing health measures and actions.


Asunto(s)
Humanos , Enfermedades Cardiovasculares/mortalidad , Trastornos Cerebrovasculares/mortalidad , Estudios de Series Temporales , Isquemia Miocárdica/mortalidad , Brasil , Epidemiología
16.
BMC Cardiovasc Disord ; 21(1): 555, 2021 11 19.
Artículo en Inglés | MEDLINE | ID: mdl-34798811

RESUMEN

BACKGROUND: Chest pain remains one of the most challenging serious complaints in the emergency department (ED). A prompt and accurate risk stratification tool for chest pain patients is paramount to help physcian effectively progrnosticate outcomes. HEART score is considered one of the best scores for chest pain risk stratification. However, most validation studies of HEART score were not performed in populations different from those included in the original one. OBJECTIVE: To validate HEART score as a prognostication tool, among Tunisian ED patients with undifferentiated chest pain. METHODS: Our prospective, multicenter study enrolled adult patients presenting with chest pain at chest pain units. Patients over 30 years of age with a primary complaint of chest pain were enrolled. HEART score was calculated for every patient. The primary outcome was major cardiovascular events (MACE) occurrence, including all-cause mortality, non-fatal myocardial infarction (MI), and coronary revascularisation over 30 days following the ED visit. The discriminative power of HEART score was evaluated by the area under the ROC curve. A calibration analysis of the HEART score in this population was performed using Hosmer-Lemeshow goodness of test. RESULTS: We enrolled 3880 patients (age 56.3; 59.5% males). The application of HEART score showed that most patients were in intermediate risk category (55.3%). Within 30 days of ED visit, MACE were reported in 628 (16.2%) patients, with an incidence of 1.2% in the low risk group, 10.8% in the intermediate risk group and 62.4% in the high risk group. The area under receiver operating characteristic curve was 0.87 (95% CI 0.85-0.88). HEART score was not well calibrated (χ2 statistic = 12.34; p = 0.03). CONCLUSION: HEART score showed a good discrimination performance in predicting MACE occurrence at 30 days for Tunisian patients with undifferentiated acute chest pain. Heart score was not well calibrated in our population.


Asunto(s)
Angina de Pecho/diagnóstico , Técnicas de Apoyo para la Decisión , Isquemia Miocárdica/diagnóstico , Adulto , Factores de Edad , Anciano , Angina de Pecho/etiología , Angina de Pecho/mortalidad , Angina de Pecho/terapia , Biomarcadores/sangre , Servicio de Cardiología en Hospital , Toma de Decisiones Clínicas , Electrocardiografía , Servicio de Urgencia en Hospital , Femenino , Hospitales de Enseñanza , Humanos , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/complicaciones , Isquemia Miocárdica/mortalidad , Isquemia Miocárdica/terapia , Revascularización Miocárdica , Valor Predictivo de las Pruebas , Estudios Prospectivos , Reproducibilidad de los Resultados , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Resultado del Tratamiento , Troponina/sangre , Túnez
17.
Asian Pac J Cancer Prev ; 22(10): 3137-3142, 2021 Oct 01.
Artículo en Inglés | MEDLINE | ID: mdl-34710989

RESUMEN

BACKGROUND: Cancer-related causes of death (cancer CoD) are the main etiologies of death in cancer patients. Recent increase in survival rates of cancer patients resulted in higher risk of dying from causes other than cancer, called competing causes of death (competing CoD). We aim to characterize competing CoD among cancer patients in Golestan province, Northern Iran. METHODS: Data on cancer incidence was obtained from the Golestan population-based cancer registry (GPCR) dataset. Data on causes of death was obtained from the Golestan death registry (GDR) dataset. Using a linkage method between the GPCR and GDR dataset, we prepared the study dataset including data on vital status and causes of death in our cancer patients. The proportions of cancer CoD and competing CoD were calculated. Multivariate logistic regression analysis was considered to assess the relationship between competing CoD and other variables. RESULTS: Overall, 4,184 cancer patients died in the study population, including 2,488 men (59.9%). Cause of death in 3,455 cases was cancer and 729 cases (17.4%) died due to competing CoD. Ischemic heart disease (40.7%) was the most common competing CoD in our population. Higher survival rate was the strongest variable related to the competing CoD (adjusted OR=1.91; 95%CI: 1.61-2.26). Residence area, age group and year of death were other indicators of competing CoD in our population. CONCLUSION: Our results suggest high rates of competing CoD in our cancer patients. Competing CoD should be mentioned in cancer control planning both in clinical practice as well as in public health policy making.
.


Asunto(s)
Causas de Muerte , Neoplasias/mortalidad , Anciano , Estudios Transversales , Femenino , Humanos , Incidencia , Irán/epidemiología , Modelos Logísticos , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/mortalidad , Neoplasias/epidemiología , Sistema de Registros/estadística & datos numéricos , Riesgo , Población Rural/estadística & datos numéricos , Tasa de Supervivencia , Factores de Tiempo , Población Urbana/estadística & datos numéricos
18.
JAMA Cardiol ; 6(12): 1380-1386, 2021 12 01.
Artículo en Inglés | MEDLINE | ID: mdl-34586338

RESUMEN

Importance: Recent evidence has suggested that skeletonization of the internal thoracic artery (ITA) is associated with worse clinical outcomes in patients undergoing coronary artery bypass surgery (CABG). Objective: To compare the long-term clinical outcomes of skeletonized and pedicled ITA for CABG. Design, Setting, and Participants: The Arterial Revascularization Trial (ART) was a 2-group, multicenter trial comparing the use of a bilateral ITA vs a single ITA for CABG at 10 years. Patients in the ART trial were stratified by ITA harvesting technique: skeletonized vs pedicled. Data were collected from June 2004 to December 2017, and data were analyzed from June to July 2021. Interventions: In this analysis, the 10-year clinical outcomes were compared between patients who received skeletonized vs pedicled ITAs. Main Outcomes and Measures: The primary outcome was all-cause mortality. The secondary outcomes were a composite of major adverse cardiac events (MACE) including all-cause mortality, myocardial infarction, and repeated revascularization and a composite including MACE and sternal wound complication (SWC). Cox regression and propensity score matching were used. Results: Of 2161 included patients, 295 (13.7%) were female, and the median (interquartile range) age was 65.0 (58.0-70.0) years. At 10 years, the risk of all-cause mortality was not significantly different between the pedicled and skeletonized groups (hazard ratio [HR], 1.12; 95% CI, 0.92-1.36; P = .27). However, the long-term risks of the secondary outcomes were significantly higher in the skeletonized group compared with the pedicled group (MACE: HR, 1.25; 95% CI, 1.06-1.47; P = .01; MACE and SWC: HR, 1.22; 95% CI, 1.05-1.43; P = .01). The difference was not seen when considering only patients operated on by surgeons who enrolled 51 patients or more in the trial (MACE: HR, 1.07; 95% CI, 0.82-1.39; P = .62; MACE and SWC: HR, 1.04; 95% CI, 0.80-1.34; P = .78). Conclusions and Relevance: While the long-term survival of patients was not different between groups, the rate of adverse cardiovascular events was consistently higher in the skeletonized group and the difference was associated with surgeon-related factors. Further evidence on the outcome of skeletonized ITA is needed.


Asunto(s)
Predicción , Arterias Mamarias/trasplante , Isquemia Miocárdica/cirugía , Revascularización Miocárdica/métodos , Recolección de Tejidos y Órganos/métodos , Anciano , Puente de Arteria Coronaria/métodos , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Isquemia Miocárdica/mortalidad , Tasa de Supervivencia/tendencias , Resultado del Tratamiento , Reino Unido/epidemiología
19.
J Am Heart Assoc ; 10(17): e020768, 2021 09 07.
Artículo en Inglés | MEDLINE | ID: mdl-34465185

RESUMEN

Background Rurality and hopelessness are each associated with increased mortality in adults with ischemic heart disease (IHD), yet there is no known research examining rurality as a risk factor for hopelessness in patients with IHD. This study evaluated rurality as a risk factor for state and trait hopelessness in adults hospitalized with IHD in samples drawn from the Great Lakes and Great Plains regions of the United States. Methods and Results A descriptive cross-sectional design was used. Data were collected from 628 patients hospitalized for IHD in the Great Lakes (n=516) and Great Plains (n=112). Rural-Urban Commuting Area codes were used to stratify study participants by level of rurality. Levels of state hopelessness (measured by the State-Trait Hopelessness Scale) were higher in rural patients (58.8% versus 48.8%; odds ratio [OR], 1.50; 95% CI, 1.03-2.18), a difference that remained statistically significant after adjusting for demographics, depression severity (measured by the Patient Health Questionnaire-8), and physical functioning (measured by the Duke Activity Status Index; OR, 1.59; 95% CI, 1.06-2.40; P=0.026). There was evidence of an interaction between marital status and rurality on state hopelessness after accounting for covariates (P=0.02). Nonmarried individuals had an increased prevalence of state hopelessness (nonmarried 72.0% versus married 52.0%) in rural areas (P=0.03). Conclusions Rural patients with IHD, particularly those who are nonmarried, may be at higher risk for state hopelessness compared with patients with IHD living in urban settings. Understanding rurality differences is important in identifying subgroups most at risk for hopelessness. Registration URL: http://www.clinicaltrials.gov. Unique identifier: NCT04498975.


Asunto(s)
Esperanza , Isquemia Miocárdica , Población Rural , Adulto , Estudios Transversales , Humanos , Estado Civil , Isquemia Miocárdica/diagnóstico , Isquemia Miocárdica/mortalidad , Isquemia Miocárdica/psicología , Factores de Riesgo , Estados Unidos
20.
PLoS One ; 16(9): e0256934, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34473787

RESUMEN

INTRODUCTION: Chronic kidney disease (CKD) patients are at an extremely high risk of silent myocardial ischemia (SMI). However, there is a dearth of evidence on the worldwide prevalence of this very lethal and yet unrecognizable complication of CKD. The proposed systematic review and meta-analysis aims to estimate the global prevalence of SMI among CKD patients. METHODS AND ANALYSES: This protocol was conceived according to the preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) statement. The systematic review will involve all observational studies and clinical trials published until April 30, 2021, and reporting on the prevalence of SMI in CKD patients. Electronic sources including MEDLINE, Embase, Web of Science, and Cochrane database of systematic reviews will be perused for potentially eligible studies, restricted to only studies published in English or French. Two investigators will independently select studies and use a pre-pilot tested form to extract data. Further, they will independently perform a qualitative assessment of the risk of bias and overall quality of the selected studies, followed by a quantitative assessment using funnel plots and Egger's tests. The heterogeneity between studies will be assessed with the Cochrane's Q statistic, and the I2 statistic will measure the percentage of variation across studies that is due to their heterogeneity rather than chance; the I2 will decide if a meta-analysis can be conducted. In case it cannot be conducted, a descriptive analysis will be performed. Otherwise, study-specific estimates will be pooled using either a fixed-effects or a random-effects model, depending on the value of the I2 statistic. Subgroup and random effects meta-regression analyses will further investigate the potential sources of heterogeneity. Finally, sensitivity analyses will be performed to measure the impact of low-quality studies on the results of the meta-analysis, and power calculations will determine the probability that we will detect a true effect if it does exist. PROSPERO REGISTRATION NUMBER: CRD42020211929. STRENGTHS AND LIMITATIONS OF THIS STUDY: The intended systematic review and meta-analysis will fill the knowledge gap on the global prevalence of silent myocardial ischemia (SMI) in CKD patients. The eligible studies will be identified through a methodic literature search followed by a rigorous screening process; we will then use robust meta-analysis tools to pool the data and provide reliable estimates of the global prevalence of SMI in CKD patients. Two major limitations could be: the predominance of clinical trials that might limit the generalizability of the findings, given that some informative patients might have been sidelined by the strict inclusion criteria of these studies; the high probability of type 1 error originating from the important number of subgroup and sensitivity analyses.


Asunto(s)
Enfermedades Asintomáticas/epidemiología , Metaanálisis como Asunto , Isquemia Miocárdica/epidemiología , Insuficiencia Renal Crónica/epidemiología , Revisiones Sistemáticas como Asunto , Enfermedades Asintomáticas/mortalidad , Ensayos Clínicos como Asunto , Comorbilidad , Salud Global , Humanos , Isquemia Miocárdica/mortalidad , Estudios Observacionales como Asunto , Prevalencia , Insuficiencia Renal Crónica/mortalidad
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