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Objectives: To investigate the effect of exercise intensity on functional capacity in individuals with coronary artery disease, assess adherence to the heart rate training zone (HRTZ), and relationship between trained intensity and functional capacity. Methods: Retrospective study led with medical records of 54 outpatients with coronary artery disease in a public hospital. The prescribed intensity started at 50 60% of heart rate reserve, increasing monthly to 70 80% by the third month. Spearman's test was used to assess the correlation between improvement in distance in the incremental shuttle walk test (ISWT), exercise intensity, and rating of perceived exertion (BorgRPE). Adherence was classified as 'below' when HRTZ was not achieved in any phase of the program, 'intermediate' when HR was within the HRTZ for one or two months, and 'above' when HR was at or higher than HRTZ ï³two months. Improvement was tested with t-test and one-way ANOVA. Results: 51.9% of participants had an increase in ISWT of ≥70 m (p < 0.0001). In at least one month, 50.9% trained below HRTZ. Trained intensity did not go below 8.6% of the prescribed minimal threshold of HRTZ. Changes in ISWT were not significantly correlated with exercise intensity (p = 0.87) or BorgRPE (p = 0.16). Conclusion: While a significant increase in functional capacity was found, considerable heterogeneity in changes were observed. This may, in part, be related to adherence to HRTZ with progressive exercise intensity and to the variability in exercise volume incardiovascular rehabilitation programs.
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Humans , Medical Records , Walk Test , Cardiac Rehabilitation , Hospitals, PublicABSTRACT
RESUMEN Introducción: Los protocolos de diagnóstico acelerado de dolor torácico, con el avance de la troponina de alta sensibilidad, permiten identificar a los pacientes que ingresan al servicio de urgencias con dolor torácico de bajo riesgo para un evento cardiovascular adverso mayor, que podrían ser dados de alta de forma temprana y segura, con ahorro de tiempo y recursos. Objetivo: Evaluar ensayos clínicos que utilicen protocolos de diagnóstico acelerado basados en troponina de alta sensibilidad. Material y métodos: se realizó una búsqueda de ensayos clínicos aleatorizados que evaluaran protocolos de diagnóstico acelerado basados en troponina de alta sensibilidad en los servicios de urgencias, en las bases de datos MEDLINE/Ovid, Cochrane y EMBASE utilizando los criterios de evaluación del manual Cochrane y la estrategia PRISMA Resultados: Tras una tamización de 3509 estudios se incluyeron 5 ensayos clínicos que incluyeron 1513 pacientes; se identificaron 409 (27%) altas tempranas, el 91% para el protocolo 0/3 h ESC, 72% para el 0/1 h, 48% para el EDACS, 40% para el HEART, 19 y 32% para ADAPT y 8 y 18% para el cuidado usual. El valor predictivo negativo fue alto, en un rango de 99,1 al 100% La duración media de la estancia hospitalaria fue más baja para los protocolos 0/1 h y 0/3 h ESC, con 4,6 y 5,6 horas respectivamente. Conclusiones: Los protocolos de diagnóstico acelerado en dolor torácico que implementan el uso de troponina de alta sensibilidad permiten lograr alta proporción de altas tempranas con baja tasa de eventos cardiovasculares mayores, con disminución del tiempo de estancia y recursos consumidos.
ABSTRACT Background: Accelerated diagnostic protocols for chest pain, with the advancement of high-sensitivity troponin, make it possible to identify patients admitted to the emergency department with chest pain and low risk for a major adverse cardiovascular event, who could be discharged immediately, early and safely, saving time and resources. Objective: The aim of this study was to assess clinical trials using accelerated diagnostic protocols based on high-sensitivity troponin. Methods: A search of randomized clinical trials evaluating accelerated diagnostic protocols based on high-sensitivity troponin in emergency services was carried out in MEDLINE/Ovid, Cochrane and EMBASE database, using the assessment criteria of the Cochrane manual and the PRISMA strategy. Results: After screening 3509 studies, 5 clinical trials, including 1513 patients, were analyzed. Early discharges were identified in 409 (27%) of patients, in 91% of cases for ESC 0/3-h protocols, 72% for 0/1-h, 48% for EDACS, 40% for HEART, 19% and 32% for ADAPT and 8% and 18% for standard care protocols. The negative predictive value was high, in the 99.1-100% range. Mean length of hospital stay was lower for the 0/1-h and ESC 0/3-h protocols, with 4.6 and 5.6 hours, respectively. Conclusions: Accelerated diagnostic protocols in chest pain using high-sensitivity troponin allow a higher proportion of early discharges with a low rate of major cardiovascular events, with reduction in length of hospital stay and resources used.
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La aterectomía rotacional es un procedimiento específico utilizado para el manejo de lesiones coronarias complejas, especialmente cuando existe calcificación de las arterias coronarias (CAC). Esta técnica fue muy utilizada hasta la última década del siglo pasado; actualmente, aunque es poco usada, juega un papel importante en pacientes que podrían ser candidatos a revascularización quirúrgica pero que, por diferentes patologías ―como la enfermedad ateromatosa difusa, en la que se requieren estents largos, reestenosis in-stent, lesiones ostiales calcificadas y oclusiones totales crónicas―, se rechaza la opción quirúrgica. La aterectomía rotacional es un método que utiliza una fresa recubierta de diamante para reducir el volumen de las placas ateroescleróticas y la calcificación de los vasos. Este dispositivo dispersa la placa en microfragmentos, con lo que se consigue un aumento del diámetro luminal. Estos fragmentos, que tienen un diámetro mínimo, pasan predominantemente a la circulación capilar y luego son absorbidos por el sistema reticuloendotelial. Dentro de las complicaciones de esta técnica destacan la disección arterial, el atrapamiento del dispositivo, la bradicardia y la microperforación de arterias coronarias. Esta última puede ser corregida con el uso de trombina, de grasa subcutánea o de perlas. Este artículo reporta el caso de una paciente anciana con enfermedad coronaria multivaso asociada a calcificación extensa de todas las arterias coronarias, por una historia de radioterapia recibida en años anteriores por cáncer de mama y que, al no ser candidata a terapia quirúrgica por cirugía cardiovascular, requirió manejo con aterectomía rotacional que se vio complicada por microperforación de una arteria coronaria, pero que posteriormente evolucionó de manera satisfactoria.
Rotational atherectomy is a specific procedure for managing complex coronary artery lesions, especially when there is coronary artery calcification (CAC). This technique was widely used until the last decade of the 20th century; however, although it is rarely used, it currently plays an important role in patients who could be candidates for surgical revascularization but reject surgeries due to different pathologies-such as diffuse atheromatous disease requiring long stents, in-stent restenosis, calcified ostial lesions and chronic total occlusions. Rotational atherectomy is a method that uses a diamond-coated burr to reduce the volume of atherosclerotic plaques and calcification of vessels. This device breaks up plaque into microfragments, leading to an increase in lumen diameter. These fragments, which have a tiny diameter, pass predominantly into the capillary circulation and are then absorbed by the reticuloendothelial system. Among the complications of this technique are arterial dissection, device entrapment, bradycardia and microperforation of coronary arteries. The latter can be corrected with the use of thrombin, subcutaneous fat or beads. This article reports the case of an elderly female patient with multivessel coronary artery disease associated with extensive calcification of all the coronary arteries secondary to radiotherapy received in previous years for breast cancer. The patient, not being a candidate for cardiovascular surgery, required a rotational atherectomy that resulted in a microperforation of a coronary artery but with good subsequent progress.
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Background: Atrial Fibrillation (AF) is the most frequent cardiac arrhythmia found in clinical practice. The assessed frequency of AF in adults is between 2% and 4%, with greater incidence and frequency rates in developed nations [1,2]. AF prevalence increases with advancing age, and with some cardiac and non-cardiac disorders, also it may exist in the absence of any conditions [2]. We aimed to determine case characteristics, practice patterns, management strategies and outcomes of atrial fibrillation in the delta area of Egypt. Methods: This registry-based cross-sectional study included 1000 atrial fibrillation patients (with any AF patterns) who were allowed to enter ER in cardiac centers and hospitals in middle Delta of Egypt from April 2020 to March 2021. Results: 267 patients (26.7%) were unstable. Heart failure, hypertension, and coronary disease were still prevalent comorbidities in our AF dataset, where hypertension accounts for over 50% of all AF cases. Rheumatic valvular heart disorder was a major underlying disease for the development of AF, still about 25.5% by echocardiography. Lone AF still high 20.6%. CHA2DS2VASc score ?2 is 83.5%. A high proportion of cases were treated with pharmaceuticals for rate control nearly 52.7% of the cases and nearly 30.3% of the cases were given pharmacological medications for the cardioversion to the sinus rhythm and a small proportion of the cases were given electrical cardioversion nearly 7%. Conclusions: Coronary disease, hypertension, and heart failure were still usual comorbidities in AF. Rheumatic valvular heart disease is still about 25.5% of the total registry. Amiodarone is the most prevalent antiarrhythmic medications (AAD) used. lone AF still high 20.6%. minimal use of novel oral anticoagulant (OAC).
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Abstract Background: Home-based virtual reality technology may become an alternative to cardiac rehabilitation. Objectives: To evaluate the effects of a specific, home-based exercise program, performed either through a virtual reality (Kinect) or a conventional format (booklet) in the maintenance stage of cardiac rehabilitation for six months on functional muscle strength of the lower limbs, physical activity and exercise tolerance. Methodology: This is a randomized clinical trial (ClinicalTrials.gov — NCT02753829) with individuals with coronary artery disease from a hospital in Porto, Portugal, randomly allocated to an experimental group "1" (EG1; n = 11), submitted to a virtual reality exercise program (Kinect); an experimental group "2" (EG2; n = 11), submitted to an exercise program described in a booklet (conventional format); or a control group (CG) (n=11), submitted to routine care. Parameters of functional muscle strength of the lower limbs (sit-to-stand test), physical activity (accelerometer) and exercise tolerance (stress test) were assessed and compared between the groups. Descriptive and inferential statistics were applied, with 95% with a significance level of 0.05. Results: Significant improvements in functional muscle strength of the lower limbs were observed in EG1 compared to EG2, at three months (19.5 ± 7.7 versus 11.9 ± 4.7, p = 0.042), and at six months (23.0 ± 7.7 versus 14.6 ± 4.6, p = 0.027) of intervention. Conclusions: The program did not demonstrate superior results, in relation to the control group and among the different formats, in physical activity and effort tolerance. In relation to the functional muscle strength of the lower limbs, the virtual reality format showed significantly better results when compared to the conventional format only.
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The aim of this case report is to draw attention at the potential severity of presentation of these associated pathologies. Prevention through early screening of colorectal cancer in patients with coronary artery disease and vice versa is the guarantee of a better management of the two pathologies. Cardiovascular disease and cancer are the two leading causes of death worldwide. Emerging evidence suggests associations between cardiovascular disease and several cancers, including colorectal cancer. Many cases have reported severe coronary artery disease (CAD) in association with colorectal cancer including triple vessel disease. To the best of our knowledge this is the first case reporting a total occlusion of the left main coronary artery in such patients. We report the case of a 52 years old woman presented to our cath lab for severe angina (Class III of the Canadian classification) and impairment of left ventricle function. Six months before the patient was diagnosed with a metastatic colorectal cancer. Coronary angiography showed absence of anterograde opacification of the left coronary system. Selective right coronary artery angiography showed a retrograde filling of the left coronary system by collaterals issued from proximal and distal dominant right coronary artery. Several studies have reported the association between colorectal neoplasm and CAD but Isolated left main coronary artery disease is extremely uncommon. Patients with left main coronary artery disease have always a grim prognosis and without prompt revascularization 60% will die after 5 years while survivors live with severe angina; heart failure or both.
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ABSTRACT Introduction: Coronary artery bypass grafting (CABG) in patients with left ventricular dysfunction (LVD) remains a surgical challenge and is still controversial. The aim of this study was to evaluate the effectiveness of CABG in patients with LVD. Methods: This retrospective study included a total of 160 consecutive patients (133 males, 27 females, mean age 62.1±10.12 years [range 37 to 86 years]) who had a left ventricular ejection fraction (LVEF) ≤ 45% determined by echocardiography and underwent elective isolated CABG between September 2013 and December 2018. Preoperative echocardiographic data, such as ejection fraction, left ventricular (LV) end-systolic diameter, and LV end-diastolic diameter, were collected and evaluated. Preoperatively, 85 (53.13%) patients were in New York Heart Association functional class III or IV and the mean LVEF was 38.65±5.72% (range 20 to 45). Results: The overall hospital mortality was 5% (eight patients). Late follow-up was obtained in 152 (90%) cases (median follow-up time was 56,5 [3-87] months postoperatively). During follow-up, mortality developed in 11.3% (16 patients). Mean LVEF increased significantly from 38.78±5.59% before surgery to 43.29±8.46% after surgery (P<0.01). Mean late survival, freedom from coronary reintervention, and congestive heart failure rates were 86.3±3.3%, 88.7±3.9%, and 89.4±3.1%, respectively. Conclusion: In patients with LVD, CABG can be performed with low postoperative morbidity and mortality rates. Patients with LVD could benefit from coronary bypass surgery regarding postoperative LV systolic function and higher quality of life.
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Introducción. La evaluación de la calidad de vida es un resultado de salud que comúnmente se asocia con la eficacia de los tratamientos derivados a los pacientes con enfermedad de las arterias coronarias. Específicamente, la literatura no es clara con respecto al papel de la rehabilitación cardíaca sobre la calidad de vida en población sometida a revascularización coronaria. Objetivo. Determinar si existen diferencias en la percepción de calidad de vida relacionada con la salud, después de asistir a un programa de rehabilitación cardiaca de 8 semanas comparado con uno de 12 semanas en personas post revascularización percutánea. Métodos. Ensayo clínico controlado aleatorizado, conformado por personas que asisten a rehabilitación cardíaca, divididas en dos grupos de estudio (8 y 12 semanas), quienes se evaluaron a través del Cuestionario SF-36.Resultados. La muestra estuvo conformada por 17 personas, con edad promedio de 63.1±6.9 años. Al comparar la evaluación pre y posttratamiento en cada grupo, se encontraron diferencias significativas en los dominios función física y rol físico en el grupo de 8 semanas; al realizar la comparación entre grupos hubo diferencias en el dominio emocional. Conclusión. Los resultados del estudio no evidenciaron diferencias en cuanto a la calidad de vida relacionada con la salud entre los grupos de estudio en el resultado global del cuestionario SF-36. Sin embargo, al comparar las dos intervenciones, el grupo de 8 semanas demostró mejores valores sobre el rol emocional
Introduction. The evaluation of quality of life is a health outcome that is commonly associated with the efficacy of treatments derived from patients with coronary artery disease. The literature is unclear regarding the role of cardiac rehabilitation on quality of life in the population undergoing coronary revascularization.Aim. To determine if there are differences in perception of health-related quality of life after attending an 8-week cardiac rehabilitation program compared to a 12-week program in people after coronary angioplasty. Methods. Randomized controlled clinical trial that included people with coronary angioplasty, who attended a cardiac rehabilitation program, divided in two groups (8 and 12 weeks), who were evaluated through the 8 domains of Short Form-36 Health Survey (SF-36). Results. The sample was made up of 17 people, with an average age of 63.1 ± 6.9 years. When comparing the evaluation before and after treatment in each group, sta-tistical differences were found in the physical-functioning and role-physical in 8 weeks group. Comparation between group show differences in role-emotional. Conclusion. The results of the present study did not show differences between the global score on health-related quality of life. However, when comparing the two in-terventions, the 8-week group showed better values on the role-emotional.
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Objective:To explore the risk stratification value of coronary CT angiography (CCTA) in patients with non-obstructive coronary artery disease based on cluster analysis and to identify the high-risk population of cardiovascular adverse events in patients.Methods:Prospective consecutive patients with suspected coronary artery disease who underwent CCTA examination and were confirmed as non-obstructive coronary heart disease were enrolled in the General Hospital of Chinese PLA from January 1, 2015 to December 31, 2017. The clinical characteristics and CCTA diagnosis information of patients were collected, and then follow-up was performed to obtain adverse cardiovascular events. Firstly, the cluster analysis based on CCTA information divided the patients into different groups. Then, the risk of adverse cardiovascular events was compared between different groups. Finally, segment involvement score (SIS) score, Leiden score, SIS score combined with clinical characteristics, Leiden score combined with clinical characteristics, and cluster information combined with clinical characteristics were used to stratify the population, and the concordance index-time curve and net reclassification improvement (NRI) index were described to compare the risk stratification ability of the five different models.Results:A total of 3 402 patients with non-obstructive coronary artery disease were included in the study, of whom 104 had adverse cardiovascular events during the follow-up period. Cluster analysis based on CCTA information classified patients into 3 different groups. There were statistically significant differences in clinical characteristics, CCTA information, and survival outcomes between groups ( P<0.05). The results of the concordance index-time curve showed that the risk stratification ability of CCTA cluster information combined with clinical characteristics was better than the current SIS score, Leiden score, SIS score combined with clinical characteristics, Leiden score combined with clinical characteristics. At the 1-year and 2-year time cutoffs, cluster information combined with clinical characteristics showed a positive increase in INR compared with the first four models (INR was 0.248 and 0.293, 0.316 and 0.293, 0.147 and 0.003, 0.192 and 0.007, respectively). Conclusion:CCTA based on cluster analysis has a good risk stratification value for patients with non-obstructive coronary artery disease and is helpful for individualized intervention.
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Objective:To investigate the application value of ultrasound guided transversus abdominis plane block (TAP) combined with sevoflurane inhalation general anesthesia in patients with coronary heart disease undergoing laparoscopic cholecystectomy.Methods:A total of 90 patients with coronary heart disease who received laparoscopic cholecystectomy in the Third Hospital of Changsha from April 2021 to December 2021 were selected. The patients were randomly divided into observation group (47 cases) and control group (43 cases). The observation group was given ultrasound guided TAP combined with sevoflurane inhalation general anesthesia; The control group was given conventional general anesthesia. The heart rate (HR), mean arterial pressure (MAP) and pulse oxygen saturation (SpO 2) of the two groups were observed before anesthesia (T 1), at the time of skin resection (T 2), at the time of gallbladder separation (T 3) and at the time of skin suture (T 4). The recovery time, operation time, anesthesia time and postoperative Visual Analogue Scale(VAS) score at 2, 6, 12 and 24 h were recorded. The levels of serum creatine kinase (CK), creatine kinase isoenzyme (CK-MB), myocardial troponin (cTnI), superoxide dismutase (SOD) and malondialdehyde (MDA) before and after operation were detected, and the incidence of adverse cardiovascular events in the two groups were observed. Results:The MAP and HR in T 2, T 3 and T 4 were higher than those in T 1 in the control group (all P<0.05); The MAP and HR at T 2, T 3 and T 4 in the observation group were significantly lower than those in the control group (all P<0.05); There was no significant difference in operation time and anesthesia time between the observation group and the control group (all P>0.05); The recovery time of observation group was significantly earlier than that of control group ( P<0.05). The CK, CK-MB and cTnI in the observation group were significantly lower than those in the control group at 24 h after surgery (all P<0.05). There was no significant difference in SOD and MDA between the observation group and the control group at 24 h after surgery (all P<0.05). The VAS score of the observation group were lower than those of the control group at 2 h, 6h, 12 h and 24 h after surgery (all P<0.05). There was no significant difference in the incidence of postoperative adverse cardiovascular events between the two groups ( P>0.05). Conclusions:TAP combined with sevoflurane inhalation general anesthesia has good application value in laparoscopic cholecystectomy in elderly patients, which can improve the anesthesia effect and the quality of recovery, and significantly reduce the myocardial injury of patients.
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Growth stimulating gene 2 (ST2) protein is a member of the interleukin-1 receptor family. It is mainly divided into a soluble secreted form sST2 and a transmembrane form ST2L. sST2 is a decoy receptor that competitively binds to interleukin-33 to block the interleukin-33/ST2L signaling pathway, worsening myocardial hypertrophy, fibrosis, and ventricular dysfunction. Measuring sST2 is of important value for diagnosis and/or prognosis evaluation of cardiovascular diseases. This paper mainly reviews the research progress in the relationship between cardiovascular diseases such as heart failure, coronary heart disease, hypertension, atrial fibrillation, myocarditis, cardiomyopathy, acute aortic dissection, and pulmonary hypertension, and sST2.
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Objective:To investigate the predictive value of dynamic electrocardiography (ECG) for myocardial ischemia and arrhythmia in patients with coronary heart disease.Methods:A total of 87 patients with coronary heart disease who received treatment in Wenling Hospital of Traditional Chinese Medicine from January 2020 to January 2022 were included in this study. These patients were divided into a conventional ECG group (group A, n = 40) and a dynamic ECG group (group B, n = 47) according to different examination methods. The detection rate of myocardial ischemia in the two groups was determined. The diagnostic efficacy of routine ECG and dynamic ECG for myocardial ischemia was analyzed according to the results of coronary angiography. The detection rate of arrhythmia was determined in each group. Patient satisfaction was compared between the two groups. Results:There was no significant difference in the total detection rate of myocardial ischemia between the two groups ( P = 0.154). The detection rate of asymptomatic myocardial ischemia in group B [25% (25/47)] was significantly higher than that in group A [10% (10/40), χ2 = 5.24, P = 0.020). According to the results of coronary angiography, the detection rates of myocardial ischemia in group A and group B were 68% (27/40) and 87% (41/47), respectively. The sensitivity, specificity, and accuracy of group B in diagnosing myocardial ischemia were 80% (33/41), [67% (4/6), and 74% (35/47), respectively, all of which were significantly higher than 74% (20/27), [46% (6/13), 68% (27/40) in group A ( χ2 = 8.03, 5.89, 5.03, P = 0.003, 0.012, 0.005). The detection rates of premature ventricular contraction in bi-triplet rhythm, frequent paired premature atrial contraction in bi-triplet rhythm, right bundle-branch block, atrioventricular block, supraventricular tachycardia in group B were significantly higher compared with group A ( χ2 = 10.78, P = 0.001). According to the results of coronary angiography, the detection rates of arrhythmia in groups A and B were 65% (26/40) and 79% (37/47), respectively. The sensitivity, specificity, and accuracy of diagnosing arrhythmia in coronary heart disease in group B were 86% (32/37), 40% (4/10), and 81% (38/47), respectively. The sensitivity and accuracy of diagnosing arrhythmia in coronary heart disease in group B were significantly higher than those in group A [58% (15/26), 55% (22/40), χ2 = 7.30, 4.90, P = 0.005, 0.010). Patient satisfaction in group B [87% (41/47)] was significantly higher than that in group A [65% (26/40), χ2 = 6.24, P = 0.044]. Conclusion:Compared with conventional ECG detection, dynamic ECG has substantially higher detection and diagnosis rates of myocardial ischemia and arrhythmia, as well as a higher patient satisfaction rate, in patients with coronary heart disease, in particular in those with asymptomatic myocardial ischemia.
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Objective:To analyze the relationship between QRS-T angle and R/T ratio on electrocardiograms and cardiac function and major adverse cardiac events (MACEs) in patients with coronary heart disease, evaluate cardiac function in patients with coronary heart disease, and investigate the optimal method to predict the occurrence of MACEs.Methods:A total of 80 patients with coronary heart disease who were admitted to the Affiliated People's Hospital of Ningbo University from January 2019 to May 2022 were included in this study. Their cardiac function was evaluated. QRS-T angle and R/T ratio on electrocardiograms were compared among patients. The relationship between the QRS-T angle and R/T ratio on electrocardiograms and cardiac function in patients with chronic heart disease was analyzed using Spearman's correlation coefficient. All patients received 1 week of standardized treatment. These patients were divided into a MACE group and a non-MACE group according to whether they had a MACE. Univariate and multivariate logistic regression analyses were performed to determine the association of QRS-T angle and R/T ratio on electrocardiograms with the occurrence of MACE in patients with coronary heart disease.Results:The QRS-T angle and R/T ratio on electrocardiograms in patients with New York Heart Association (NYHA) class IV heart failure were (115.75 ± 6.83)° and (4.95 ± 0.89) respectively, which were significantly higher than those in patients with NYHA class II and III heart failure (both P < 0.05). The QRS-T angle and R/T ratio on electrocardiograms in patients with NYHA class III heart failure were higher than those in patients with NYHA class II heart failure (both P < 0.05). Spearman correlation coefficient analysis results showed that the QRS-T angle and R/T ratio on electrocardiograms were positively correlated with NYHA cardiac function classification (both P < 0.05). Univariate logistic regression analysis results showed that low left ventricular ejection fraction, high NYHA class, low-density lipoprotein level, large QRS-T angle, and R/T ratio were the risk factors for developing a MACE in patients with chronic heart disease (all P < 0.05). Conclusion:QRS-T angle and R/T ratio on electrocardiograms increase with the worsening of cardiac function, which is a risk factor for developing a MACE in patients with chronic heart disease. It can be used as an objective and effective factor to evaluate the actual condition of patients in the early diagnosis and treatment of chronic heart disease and provide data support for reasonably optimizing intervention strategies and improving therapeutic effects.
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Objective:To analyse the association between triglyceride glucose (TyG) index and the number of coronary artery lesions in patients with stable coronary artery disease.Methods:It was a cross-sectional study. Patients with stable coronary artery disease who were admitted to Zhongshan Hospital, Fudan University from 1st January 2019 to 30th April 2020 for percutaneous coronary intervention (PCI) were selected. We collected general clinical information and laboratory results from the enrolled patients, then calculated the TyG index. We evaluated coronary artery lesions by coronary angiography and analysed the factors associated with the number of coronary artery lesion branches by the logistic regression model.Results:A total of 832 patients were included in this study, 641 (77.0%) were male, the age was (64.6±11.5) years. The mean TyG index was 8.78. Patients with the TyG index≥8.78 were included in the high TyG index group (411 patients), and those with the TyG index<8.78 were included in the low TyG index group (421 patients). Compared with the low TyG index group, the high TyG index group had the higher body mass index and diastolic blood pressure, more smokers and diabetes mellitus, younger age of onset of coronary heart disease (all P<0.05), and a lower proportion of patients using statins ( P=0.027). Compared with the low TyG index group, the high TyG index group had the higher levels of erythrocyte count, hemoglobin, white blood cell count, albumin, urea nitrogen, uric acid, fasting blood glucose, HbA1c, triglyceride, low-density lipoprotein cholesterol, non-high-density lipoprotein cholesterol, apolipoprotein B, apolipoprotein E, and C-reactive protein (all P<0.05). However, the levels of high density lipoprotein, apolipoprotein A1 and apolipoprotein A were lower in the high TyG index group than those in the low TyG index group (all P<0.05). The number of coronary artery lesions in patients in the high TyG index group was 2.35±0.91, more than the low TyG index group 2.10±0.95 ( P<0.001).After adjusting for the other factors, multivariate logistic regression analysis showed that male, smoking history (smoking cessation or smoking), TyG index and troponin T levels were independently positively associated with the number of coronary artery lesions (all OR>1, P<0.05), while ApoA1 was independently negatively associated with the number of coronary artery lesions ( OR=0.140, P=0.007). Conclusions:TyG index is positively associated with the number of coronary artery lesions in patients with stable coronary artery disease.
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Objective:To analyze the risk factors of three-vessel disease (TVD) in patients with stable coronary artery disease (SCAD).Methods:The clinical data of 447 patients with SCAD diagnosed in Zhongshan Hospital from May 2019 to April 2020 were retrospectively analyzed, including 108 cases with the single-vessel disease (SVD), 136 cases with the two-vessel disease, and 203 cases with three-vessel disease. The general data and hematological indexes were compared between patients with SVD and those with TVD; the related factors for TVD in SCAD patients were analyzed with univariate and multivariate logistic regression.Results:There were 244 males (78.5%) and 67 females (21.5%) with a median age of 57 years (64, 69). Univariate analysis showed that there were significant differences in diabetes history ( χ2=7.75, P=0.005), uric acid ( Z=-2.10, P=0.036), glycosylated hemoglobin ( Z=-2.77, P=0.006) and high density lipoprotein cholesterol (HDL-C) ( Z=-2.99, P=0.003) levels between SVD and TVD groups. Multivariate analysis showed that the high level of blood uric acid ( OR=1.01, 95% CI: 1.00-1.01, P<0.05) and the low level of HDL-C ( OR=3.29, 95% CI:1.23-8.85, P<0.05) were related risk factors of TVD. Conclusion:High blood uric acid level and low HDL-C level are related factors for TVD in patients with SCAD.
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Objective:To identify the risk factors for adverse cardiac events after thoracic surgery in the patients with coronary heart disease.Methods:Perioperative data of patients with coronary heart disease who underwent elective thoracic surgery and had undergone coronary CT angiography before surgery from January 2020 to June 2022 were retrospectively collected. The number and stenosis score of coronary artery were obtained from preoperative coronary artery CT angiography. The patients were divided into cardiac adverse event group and non-cardiac adverse event group according to the occurrence of cardiac adverse events after thoracic surgery from the end of surgery to discharge. Multivariate logistic regression analysis was used to identify the risk factors for adverse cardiac events after thoracic surgery in the patients with coronary heart disease.Results:A total of 786 patients were finally enrolled, and the incidence of cardiac adverse events was 19.6% after thoracic surgery in the patients with coronary heart disease. The results of logistic regression analysis showed that age, preoperative arrhythmia, preoperative coronary stenosis score >7, coronary stent implantation, intraoperative infusion volume, intraoperative red blood cell infusion were risk factors for adverse cardiac events after thoracic surgery in the patients with coronary heart disease ( P<0.05). Conclusions:Age, preoperative arrhythmia, preoperative coronary stenosis score>7, coronary stent implantation, intraoperative infusion volume, intraoperative red blood cell infusion are risk factors for cardiac adverse events after thoracic surgery in the patients with coronary heart disease.
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Objective:To evaluate the effect of two-way referral service in referral and treatment of patients with coronary disease.Methods:A non-randomized controlled study was used, 80 patients with coronary disease who were referred to the First Affiliated Hospital of Xinjiang Medical University through the fast referral channel, also called green referral channel (GRC) of telemedicine service mode from January 2021 to January 2022 were selected as the GRC referral group. A propensity score was used to match 110 patients from the same period with coronary disease who were referred to this hospital through conventional medical channels and had similar basic conditions such as age, gender, region and medical insurance type as the conventional referral group. The differences in disease severity, referral time, hospitalization cost and other indicators were compared using t-test, χ2 test and nonparametric test between the two groups, and the satisfaction of the GRC referral group was investigated. Results:The proportion of patients with heart function grade Ⅲ (NYHA grading), heart failure, atrial fibrillation and interventional therapy in the GRC referral group was significantly higher than conventional referral group (all P<0.05). The total referral time and bed waiting time of patients in the GRC referral group were significantly shorter than conventional referral group [14.16 (9.62, 25.61) vs 34.39 (28.51, 49.68) h, 2.13 (0.83, 6.64) vs 24.58 (20.27, 27.68) h] ( Z=8.465, 9.172, all P<0.001). The hospitalization cost, surgical treatment cost and material cost in GRC referral group were significantly higher than conventional referral group [24 755 (11 559, 56 521) vs 14 700 (9 375, 29 534) CNY, 6 013 (2 096, 8 256) vs 2 562 (2 044, 6 154) CNY, 12 093 (1 267, 35 689) vs 1 329 (826, 16 125) CNY] ( Z=2.814, 2.917, 3.353, all P<0.05), and the diagnosis cost was significantly lower than conventional referral group [4 878 (3 628, 6 847) vs 5 719 (4 228, 7 639) CNY] ( Z=2.323, P<0.05). In the GRC referral group, the satisfaction rates with referral process, visit time and patient experience were all above 90%. Conclusion:Two-way referral service based on telemedicine has a good application effect in the referral and treatment of patients with coronary disease.
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Objective:To study the value of myocardial perfusion imaging (MPI) and coronary flow reserve (CFR) combined with coronary artery calcium score (CACS) in the diagnosis of obstructive coronary artery disease (CAD).Methods:From January 2019 to December 2020, 96 confirmed or suspective CAD patients (65 males, 31 females; age: 30-81 years) who completed rest/stress MPI, CFR and CACS defection in Fuwai Central China Cardiovascular Hospital were retrospectively analyzed. Coronary angiography (CAG) was used as the diagnostic standard to calculate the sensitivity and accuracy of MPI, CFR and MPI/CFR combined with CACS in the diagnosis of CAD. The χ2 test was used to compare the diagnostic efficiency of different methods. Results:The diagnostic sensitivity of MPI was 76.06%(54/71), and the accuracy was 75.00%(72/96), while the sensitivity increased to 97.18%(69/71; χ2=13.67, P<0.001) and the accuracy increased to 87.50%(84/96; χ2=4.92, P=0.020) with significant differences after combined with CACS. The sensitivity and accuracy of CFR were 91.55%(65/71)and 87.50%(84/96), which increased to 97.18%(69/71; χ2=2.12, P=0.137) and 89.58%(86/96; χ2=0.21, P=0.411) with no significant differences after combined with CACS. The sensitivity of MPI in the diagnosis of three-vessel CAD was 70.00%(21/30), which increased to 100%(30/30; χ2=7.75, P=0.004) after combined with CACS; while the sensitivity of MPI combined with CACS in the diagnosis of single-vessel and double-vessel CAD were not significantly improved ( χ2 values: 3.29, 1.51, P values: 0.114, 0.416). Conclusion:The combination of MPI and CACS can significantly improve the diagnostic efficiency of CAD, contributed by the improvement of the diagnostic sensitivity in three-vessel disease; whereas the diagnostic efficiency of CFR for CAD is not significantly improved after combined with CACS.