Distribution characteristics and stroke risk analysis of inpatients in single center atrial fibrillation in traditional Chinese medicine hospitals
Objective To understand the distribution characteristics and stroke risk of hospitalized patients in single center atrial fibrillation in traditional Chinese medicine hospitals for guidance in prevention and treatment of atrial fibrillation.Methods A total of 667 clinical diagnosis and treatment data from Guangdong Provincial Hospital of Chinese Medicine,Hainan Hospital from October 2020 to September 2022 in the data filling platform of China Atrial Fibrillation Center through retrospective investigation was collected[including hospitalization information,diagnosis and treatment,demographic information symptoms,European Heart Rhythm Association(EHRA),health assessment].Descriptive epidemiological methods were employed to analyze the distribution characteristics of different populations,and a Logistic regression model was used with CHA2DS2-VASc score as the dependent variable to analyze the risk factors of stroke in men and women with non-valvular atrial fibrillation respectively.Results Among patients with atrial fibrillation,valvular atrial fibrillation accounted for 5.85%(39/667),while non-valvular atrial fibrillation accounted for 94.15%(628/667).Persistent atrial fibrillation was the main type at 65.52%(437/667),with a higher proportion of patients in males than that in females(1.22∶1).The average age of patients was 75.14±11.23 years,mainly aged 71-80 years and 81-90 years,accounting for 33.28%(222/667)and 28.78%(192/667)respectively.Clinical symptoms mainly include palpitations(51.27%)and chest discomfort(45.43%),79.01%(527/667)of patients had EHRA symptom rating below gradeⅡ,while 20.99%(140/667)had ratings above gradeⅢ.The highest incidence of comorbidities of atrial fibrillation was hypertension at 64.62%(431/667),followed by chronic heart failure at 36.43%(243/667).The proportion of high-risk stroke population in the CHA2DS2-VASc score was significantly higher than that of the medium to low-risk stroke population[89.17%(560/628)vs.10.83%(68/628)].In contrast,the proportion of people with low risk of bleeding in the HAS-BLED score was significantly higher than that of people with high risk of bleeding[69.27%(462/667)vs.30.73%(205/667)].A univariate analysis was conducted on 628 patients with non-valvular atrial fibrillation by gender.The results showed that among 279 female patients with CHA2DH2-VASc score≥3 as the dependent variable,univariate analysis showed that there were significant differences in age,hypertension,coronary heart disease,cardiomyopathy,chronic heart failure,cerebrovascular disease,and thyroid disease between the two groups(all P<0.05).A total of 349 male patients with CHA2DH2-VASc score≥2 as the dependent variable,statistically significant differences were showed in age,education level,EHRA and whether had hypertension,coronary heart disease,chronic heart failure,cerebrovascular disease,and thyroid disease(all P<0.05)by univariate analysis.Multivariate Logistic regression analysis showed that the high-risk factors for stroke were age,systolic blood pressure,thyroid disease and cerebrovascular disease in women[female>75 years old:odds ratio(OR)=42.270,95%confidence interval(95%CI)was 9.130-195.800;systolic blood pressure>160 mmHg(1 mmHg≈0.133 kPa):OR=3.530,95%CI was 1.420-8.760,and thyroid disease:OR=0.140,95%CI was 0.040-0.460,cerebrovascular disease:OR=9.400,95%CI was 2.130-41.440;all P<0.05].While age,education level,systolic blood pressure,chronic heart failure,cerebrovascular disease,and thyroid disease in men were high-risk factors(male>75 years old:OR=81.270,95%CI was 27.730-238.210;education level:OR=0.250,95%CI was 0.120-0.530;systolic blood pressure>160 mmHg:OR=14.110,95%CI was 7.250-27.460;patients with chronic heart failure:OR=23.780,95%CI was 7.850-71.970;thyroid disease:OR=0.240,95%CI was 0.110-0.540;patients with cerebrovascular disease:OR=0.580,95%CI was 0.360-0.940;all P<0.05).Conclusions The proportion of male hospitalized patients with atrial fibrillation at Guangdong Provincial Hospital of Chinese Medicine,Hainan Hospital is greater than that of females.The majority of these patients are elderly,with an average age higher than recently reported.They face a more prominent of stroke,especially those with high blood pressure,chronic heart failure,cerebrovascular disease,and thyroid disease.It is crucial to strengthen targeted prevention and treatment efforts in this population.
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