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1.
Front Public Health ; 11: 1110648, 2023.
Article in English | MEDLINE | ID: mdl-37554734

ABSTRACT

Objective: Frailty increases poor clinical outcomes in older adults, the aim of this study was to investigate the prevalence and factors associated with frailty and pre-frailty in older adults in China. Research design and methods: Data were obtained from the Sample Survey of the Aged Population in Urban and Rural China in 2015, which was a cross-sectional study involving a nationally representative sample of older adults aged 60 years or older from 31 provinces/autonomous regions/municipalities in mainland China. The frailty index (FI) based on 33 potential deficits was used to classify individuals as robust (FI < 0.12), pre-frail (FI ≧0.12 and <0.25) and frail (FI ≥0.25). Results: A total of 208,386 older people were included in the study, and the age-sex standardised prevalence of frailty and pre-frailty among older adults in China was 9.5% (95% CI 9.4-9.7) and 46.1% (45.9-46.3) respectively. The prevalence of frailty and pre-frailty was higher in female than in male older adults, higher in rural than in urban older adults, and higher in northern China than in southern China. The multinomial analysis revealed similar risk factors for frailty and pre-frailty, including increased age, being female, living in a rural area, low educational attainment, poor marital status, living alone, difficult financial status, poor access to medical reimbursement, and living in northern China. Conclusion: Frailty and pre-frailty are very common among older adults in China and differ significantly between southern and northern China, men and women, and rural and urban areas. Appropriate public health prevention strategies should be developed based on identified risk factors in frail and pre-frail populations. The management of frailty and pre-frailty should be optimised according to regional and gender differences in prevalence and associated factors, such as strengthening the integrated management of chronic diseases, increasing reimbursement rates for medical costs, and focusing on vulnerable groups such as the disabled, economically disadvantaged, living alone and those with low literacy levels, in order to reduce the burden of frailty among older adults in China.


Subject(s)
Frailty , Aged , Humans , Male , Female , Frailty/epidemiology , Frail Elderly , Cross-Sectional Studies , Prevalence , China/epidemiology
2.
Front Public Health ; 11: 1168792, 2023.
Article in English | MEDLINE | ID: mdl-37397753

ABSTRACT

Objective: Frailty increases adverse clinical outcomes in older patients with cardio-cerebral vascular disease (CCVD). The aim of this study was to investigate the prevalence of frailty and pre-frailty in older adults with CCVD in China and the factors associated with it. Research design and methods: In this cross-sectional study, we used data from the fourth Sample Survey of Aged Population in Urban and Rural China. We used the frailty index for frailty and pre-frailty assessment, and the diagnosis of CCVD in older adults was self-reported. Results: A total of 53,668 older patients with CCVD were enrolled in the study. The age-standardized prevalence of frailty and pre-frailty in older patients with CCVD was 22.6% (95% CI 22.3-23.0%) and 60.1% (95% CI 59.7-60.5%). Multinomial logistic regression analyses showed that being female, increasing age, rural residence, illiteracy, widowhood, ethnic minority, living alone, no health screening during the last year, hospitalization during the last year, difficult financial status, comorbid chronic conditions, and disability in activities of daily living were associated with frailty and pre-frailty in older patients with CCVD. Conclusion: CCVD is strongly associated with frailty and pre-frailty in older Chinese people, and assessment of frailty should become routine in the management of older CCVD patients. Appropriate public health prevention strategies should be developed based on identified risk factors for frailty in older CCVD patients, which can help prevent, ameliorate or reverse the development of frailty in CCVD in the older population.


Subject(s)
Frailty , Vascular Diseases , Aged , Humans , Female , Male , Frailty/epidemiology , Frail Elderly , Cross-Sectional Studies , Activities of Daily Living , Prevalence , Ethnicity , Minority Groups , China/epidemiology
3.
Front Public Health ; 11: 1136135, 2023.
Article in English | MEDLINE | ID: mdl-36935664

ABSTRACT

Objective: There are few studies on the prevalence and factors associated with frailty and pre-frailty in older adults with asthma worldwide. The aim of this study was to examine the epidemiological status and factors associated with frailty and pre-frailty in older adults with asthma in China. Research design and methods: Data were obtained from the Sample Survey of Aged Population in Urban and Rural China in 2015, a nationwide cross-sectional survey covering 224,142 older people aged 60 years or older in 31 provinces/autonomous regions/municipalities in mainland China. We performed frailty and pre-frailty assessments using the frailty index, and the diagnosis of asthma in the older adults was self-reported based on the history of the physician's diagnosis. Results: Nine thousand four hundred sixteen older adults with asthma were included in the study. The age-sex standardized prevalence of frailty and pre-frailty in Chinese older adults with asthma was 35.8% (95% CI 34.8%-36.7%) and 54.5% (95% CI 53.5%-55.5%). Multinomial logistic regression analysis showed that increased age, female, illiteracy, living alone, poor economic status, ADL disability, comorbid chronic diseases, previous hospitalization in the past year, and residence in northern China were associated with frailty and pre-frailty in older adults with asthma. Conclusion: The prevalence of frailty and pre-frailty in Chinese older adults with asthma is very high, and assessment of frailty should become routine in the management of older adults with asthma. Appropriate public health prevention strategies based on identified risk factors for frailty in older adults with asthma should be developed to reduce the burden of frailty in Chinese older adults with asthma.


Subject(s)
Asthma , Frailty , Humans , Female , Aged , Frailty/epidemiology , Cross-Sectional Studies , Asthma/epidemiology , China/epidemiology , Risk Factors
4.
Front Cardiovasc Med ; 9: 1057361, 2022.
Article in English | MEDLINE | ID: mdl-36712273

ABSTRACT

Objective: To explore the prevalence and factors associated with frailty and pre-frailty in elderly Chinese patients with hypertension. Background: In China, there have been few national studies into the prevalence and factors associated with frailty and pre-frailty in elderly patients with hypertension. Methods: Through the 4th Sample Survey of Aged Population in Urban and Rural China (SSAPUR) in 2015, the situation of hypertension subjects aged 60 years or older in 31 provinces, autonomous regions, and municipalities in mainland China was obtained. And the frailty index was constructed based on 33 potential defects, elderly hypertensive patients are classified as robust, frailty, and pre-frailty. Results: A total of 76,801 elderly patients with hypertension were enrolled in the study. The age-sex standardized prevalence of frailty and pre-frailty in hypertensive elderly in China was 16.1% (95%CI 15.8-16.3%), 58.1% (95%CI 57.7-58.4%). There were significant geographical differences in the prevalence of frailty and pre-frailty in elderly hypertensive patients. Multinomial logistic regression analysis showed that poor economic status, activities of daily living disability, and comorbid chronic diseases were related to frailty and pre-frailty. Conclusion: Frailty and pre-frailty are very common in elderly Chinese patients with hypertension and have similar risk factors. Prevention strategies should be developed to stop or delay the onset of frailty by targeting established risk factors in the pre-frailty population of elderly hypertension. It is also crucial to optimize the management of frailty in elderly Chinese patients with hypertension.

5.
Zhonghua Xin Xue Guan Bing Za Zhi ; 41(10): 845-9, 2013 Oct.
Article in Chinese | MEDLINE | ID: mdl-24377890

ABSTRACT

OBJECTIVE: To determine the relationship between estimated glomerular filtration rate (eGFR) and proteinuria with cardiovascular events in subjects aged 80 years or older. METHODS: Data for this retrospective prognostic study were drawn from the patient database for routine checkup in Beijing hospital between January 2001 to December 2001. Baseline eGFR and proteinuria were evaluated in 340 subjects [mean age: (85.6 ± 4.0) years]. eGFR was calculated using the modified abbreviated MDRD equations based on the Chinese chronic kidney disease patients. The subjects were divided into normal renal function group and reduced renal function group (eGFR <60 ml·min(-1)·1.73 m(-2)). The subjects were divided into subjects without proteinuria and subjects with proteinuria group. Cardiovascular events included cardiovascular death, nonfatal myocardial infarction, nonfatal stroke. RESULTS: The proportion of reduced renal function was 36.8% (125/340). The proportion of proteinuria was 10.3% (35/340). The proportion of reduced renal function or proteinuria was 41.8% (142/340). Follow-up time was 79 months (40-114 months). Cardiovascular events rate was significantly higher in reduced renal function group than in normal renal function group [37.6% (47/125) vs. 26.2% (55/210), P < 0.05 ] and in proteinuria group than in without proteinuria group [50.0% (17/34) vs. 28.2% (85/301), P < 0.01 ]. Cox multivariate analysis revealed that both eGFR (HR = 0.978, 95%CI:0.961-0.994, P < 0.05 ) and proteinuria (HR = 2.049, 95%CI:1.132-3.709, P < 0.05) were independent risk factors for cardiovascular events after adjusting for age, gender, triglyceride, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, uric acid, hypertension, coronary heart disease, diabetes mellitus. CONCLUSIONS: Reduced eGFR and presence of proteinuria are independent risk factors for cardiovascular event in subjects aged 80 years or older. eGFR and proteinuria can thus be used for cardiovascular event risk stratification in subjects aged 80 years or older.


Subject(s)
Cardiovascular Diseases/complications , Cardiovascular Diseases/physiopathology , Glomerular Filtration Rate , Proteinuria , Aged, 80 and over , Female , Humans , Male , Multivariate Analysis , Retrospective Studies , Risk Factors
6.
Chin Med J (Engl) ; 125(16): 2853-7, 2012 Aug.
Article in English | MEDLINE | ID: mdl-22932079

ABSTRACT

BACKGROUND: The term heart failure with normal ejection fraction (HFNEF) is often used to describe the syndrome of heart failure with normal ejection fraction. Based on the previous studies, HFNEF has a significant morbidity and mortality and is associated with a similar prognosis to heart failure with reduced ejection fraction (HFREF). The present study aimed to investigate the clinical characteristics and prognosis of HFNEF in elderly patients. METHODS: Consecutive elderly patients (≥ 60 years old) hospitalized for the first episode of heart failure (HF) in Beijing Hospital from January 2003 to December 2009 were retrospectively recruited. Three hundred and ten patients with HF were eligible for our study. As recently recommended, a cut-off value of 50% was used to distinguish HFNEF (LVEF ≥ 50%) from HFREF (LVEF < 50%). Data were retrospectively obtained from hospital records and databases. Follow-up data were obtained by telephone and from hospital records. For every eligible patient, the clinical characteristics and prognosis were collected and compared between the HFNEF and HFREF groups. RESULTS: Patients with HFNEF accounted for 54.5% of all cases of elderly patients with HF. Compared with HFREF, the elderly patients with HFNEF had a higher proportion of females (62.1% vs. 32.6%, P < 0.001), higher body mass index (BMI) ((24.9 ± 4.7) vs. (23.5 ± 4.0) kg/m(2), P = 0.011), higher systolic blood pressure at admission ((141.5 ± 22.6) vs. (134.3 ± 18.6) mmHg, P = 0.002), but lower hemoglobin levels ((118.3 ± 22.7) vs. (125.8 ± 23.8) g/L, P = 0.005). The incidence of coronary heart disease (43.2% vs. 65.2%, P < 0.001) and myocardial infarction (16.6% vs. 46.1%, P < 0.001) were significantly lower in elderly patients with HFNEF than in those with HFREF (P < 0.001). With a mean follow-up of 33.5 (0.5 - 93) months, 120 patients (38.7%) died, including 94 (30.3%) cardiac deaths. The HFNEF group had fewer deaths than the HFREF group at the end of the first follow-up (46/169 (27.2%) vs. 58/141 (41.1%)) and at the end of the second follow-up (56/169 (33.1%) vs. 64/141 (45.4%)). Kaplan-Meier survival analysis showed a significantly higher survival rate in elderly patients with HFNEF than those with HFREF (P = 0.021 for total mortality and P < 0.001 for cardiac mortality). Multiple Logistic regression analysis showed that LVEF < 50% was an independent risk factor for death in elderly patients with HF. CONCLUSIONS: More than half of elderly patients with HF have a normal LVEF. The prognosis of the elderly patients with HFNEF is poor, though slightly better than the elderly patients with HFREF.


Subject(s)
Heart Failure/pathology , Stroke Volume/physiology , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Prognosis
7.
Zhonghua Xin Xue Guan Bing Za Zhi ; 37(1): 56-8, 2009 Jan.
Article in Chinese | MEDLINE | ID: mdl-19671355

ABSTRACT

OBJECTIVE: To explore the value of electrocardiographic (ECG) Cornell criteria for detecting left ventricular hypertrophy (LVH) in elderly Chinese men. METHODS: Since 1990, 244 autopsies were performed in our hospital in elderly men, LVH was determined in these autopsy hearts and correlated to ECG LVH signs recorded within 3 months before death according to Cornell (SV3+RaVL) and Sokolow-Lyon criteria (SV1+RV5 or RV6). The reference value of Cornell criteria was obtained based on values from autopsied healthy hearts, the sensitivity and specificity of Cornell and Sokolow-Lyon criteria for detecting left ventricular hypertrophy in these elderly men were calculated. RESULTS: There were significantly correlations between QRS amplitudes of Cornell and Sokolow-Lyon criteria and autopsy left ventricular wall thickness in these hearts. The reference value of Cornell criteria (SV3+RaVL) was 2.9 mV. The sensitivity of Sokolow-Lyon and Cornell criteria for detecting LVH was 25.4% and 34.3% (P<0.05 vs Sokolow-Lyon criteria), respectively. CONCLUSION: Voltage (SV3+RaVL)>or=2.9 mV might be a suitable diagnostic value for detecting left ventricular hypertrophy in Chinese elderly men.


Subject(s)
Electrocardiography/standards , Hypertrophy, Left Ventricular/diagnosis , Aged , Aged, 80 and over , Humans , Hypertrophy, Left Ventricular/pathology , Male , Middle Aged , Reference Values , Retrospective Studies , Sensitivity and Specificity
8.
Zhonghua Nei Ke Za Zhi ; 48(12): 1012-5, 2009 Dec.
Article in Chinese | MEDLINE | ID: mdl-20193518

ABSTRACT

OBJECTIVE: To evaluate the prognostic value of (99m)Tc-MIBI myocardial perfusion single-photon emission computed tomography (MPS) with adenosine triphosphate in patients aged 80 years or older. METHODS: A total of 265 patients [mean age (84.2 +/- 3.6) years old] who underwent adenosine triphosphate and rest (99m)Tc-MIBI myocardial SPECT imaging were followed-up for (36.7 +/- 22.8) months. RESULTS: During the period of follow-up, 57 patients (20.4%) suffered from cardiac events, including 20 major events: 5 cardiac death and 15 acute non-fatal myocardial infarction, 14 unstable angina pectoris, 7 heart failure and 16 cases undergoing PCI. The cardiac event rate in patients with fixed or mixed perfusion defects (n = 54) was 50%, which was significantly higher than that in patients with reversible perfusion defects (n = 67, 31.3%, P < 0.05) and normal perfusion imaging (n = 144, 6.2%, P < 0.01). The major cardiac event rate in patients with fixed or mixed perfusion defects was 27.8%, which was significantly higher than that in those with reversible perfusion defects (6.0%, P < 0.05) and normal perfusion imaging (0.7%, P < 0.01). Cox multivariate analysis revealed that an abnormal MPS was the most important independent predictor of major or total cardiac events. CONCLUSIONS: (99m)Tc-MIBI MPS with ATP is demonstrated to be a powerful tool for the prognostic evaluation in octogenarian population. Octogenarians with a normal MPS have a low risk of major or total cardiac events, but when an abnormal MPS is present, the risk is significantly higher, being highest in patients with fixed or mixed perfusion defects.


Subject(s)
Adenosine Triphosphate , Technetium Tc 99m Sestamibi , Humans , Prognosis , Risk Factors , Tomography , Tomography, Emission-Computed, Single-Photon
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