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1.
Med Sci Monit ; 29: e941321, 2023 Oct 09.
Article in English | MEDLINE | ID: mdl-37807497

ABSTRACT

BACKGROUND Circulating calcium mainly carries out its physiologic function in its ionized form (iCa). Clinically, iCa is usually estimated by multiplying the total calcium (TCa) level by 0.5 in the general population, but this method is not accurate when applied to patients on long-term hemodialysis (CHD). Accordingly, this study aimed to develop a predictive function for iCa in patients on CHD by incorporating TCa and other additional variables. MATERIAL AND METHODS This was a retrospective cross-sectional study consisting of 2 cross-sectional datasets: a derivation set including 469 CHD patients in June 2019, and a validation set including 446 CHD patients in September 2019. The derivation set's data were analyzed using the stepwise model selection of machine learning with 10-fold cross-validation to develop a predictive function for iCa. This predictive function was then applied to the validation set's data, and the predictive function's estimated iCa was compared with the actual laboratory iCa by using the paired-samples t test and intraclass correlation coefficient. RESULTS After analyzing the routine laboratory data parameters of patients in the derivation set, the following 5 variables were included in the predictive function of iCa: blood urea nitrogen, creatinine, phosphate, TCa, and albumin. This predictive function was applied to the validation set to yield an estimated iCa level that was not significantly different from the laboratory-measured iCa level of the validation dataset (P=0.676) with an excellent ICC of 0.905. CONCLUSIONS We developed a new predictive function that accurately measures the iCa in patients on CHD by using routine laboratory data.


Subject(s)
Calcium , Hypercalcemia , Renal Dialysis , Renal Insufficiency, Chronic , Humans , Calcium/blood , Cross-Sectional Studies , Renal Dialysis/adverse effects , Retrospective Studies , Renal Insufficiency, Chronic/blood , Renal Insufficiency, Chronic/therapy
2.
Am J Case Rep ; 24: e939788, 2023 Jun 19.
Article in English | MEDLINE | ID: mdl-37335814

ABSTRACT

BACKGROUND Kawasaki disease (KD), a systemic vasculitis, affects children aged <5 years and is the leading acquired cardiovascular disease in developed countries. Although intravenous immunoglobulin is an effective treatment for KD and decreases the rate of cardiovascular complications, some patients still develop coronary sequelae, including coronary aneurysms and myocardial infarction. CASE REPORT A 9-year-old boy was diagnosed with KD at the age of 6 years. For coronary sequelae of a giant coronary artery aneurysm (CAA) 8.8 mm in diameter, he was prescribed aspirin and warfarin. At 9 years old, he visited the Emergency Department because of acute chest pain. Electrocardiography revealed an incomplete right bundle branch block and ST-T change over right and inferior leads. Also, troponin I was elevated. Coronary angiography found acute thrombotic occlusion of the right CAA. We performed aspiration thrombectomy with intravenous tirofiban. Coronary angiography and optical coherence tomography (OCT) images later found white thrombi, calcification, destruction of media layer, irregular intimal thickening, and uneven intima edge. We prescribed antiplatelet therapy and warfarin, and he was doing well at a 3-year follow-up. CONCLUSIONS OCT is a promising modality that can impact the clinical care in patients with coronary artery disease. This report presents treatment management and OCT images of KD complicated with a giant CAA and acute myocardial infarction. We used aspiration thrombectomy in combination with medical treatments as the initial intervention strategy. Afterward, the OCT images showed vascular wall abnormalities, which were helpful for defining the future risk and decision making of further coronary interventions and medical treatments.


Subject(s)
Coronary Aneurysm , Mucocutaneous Lymph Node Syndrome , Myocardial Infarction , Child , Male , Humans , Coronary Aneurysm/diagnostic imaging , Coronary Aneurysm/etiology , Coronary Aneurysm/therapy , Mucocutaneous Lymph Node Syndrome/complications , Mucocutaneous Lymph Node Syndrome/diagnosis , Mucocutaneous Lymph Node Syndrome/drug therapy , Coronary Vessels/diagnostic imaging , Warfarin/therapeutic use , Tomography, Optical Coherence/methods , Myocardial Infarction/diagnostic imaging , Myocardial Infarction/etiology , Myocardial Infarction/therapy , Coronary Angiography/methods
3.
Pediatr Cardiol ; 44(6): 1262-1270, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37029813

ABSTRACT

We investigated the hemodynamic parameters of pediatric PDA patients and focused on the influence of PDA size on pulmonary arterial pressure and the prevalence of pulmonary hypertension. A total of 52 patients aged between 2 months and 20 years who received transcatheter closure of a PDA from January 2018 to June 2022 in our institution were retrospectively recruited. Their hemodynamic parameters collected both by echocardiography and by cardiac catheterization were analyzed to delineate the influence of PDA size on the pulmonary vascular system. The echocardiographic-based ductal size and indexed PDA size were 1.93 mm (1.15-6 mm) and 4.05 mm/m2 (2.03-25.47 mm/m2), respectively. The pulmonary artery pressure measured was 20.83 mmHg (8-45 mmHg). We found a positive correlation between indexed PDA size and mean pulmonary arterial pressure (mPAP) (Pearson correlation coefficient = 0.47, p < 0.001). A subgroup analysis showed that 28 patients (53.8%) developed pulmonary hypertension (PH) (defined as mPAP > 20 mmHg). The median age of the PH group was 1.02 years [range: 0.19-8.64], which was significantly younger than the non-PH group's median age of 3.43 years [range: 0.42-19.96] (p = 0.001). The indexed PDA size for the PH group, 4.69 mm/m2, was significantly higher than that of the non-PH group, 3.2 mm/m2 (p = 0.004). The major risk factor for patients with PH was the PDA/BSA index, with an OR of 2.181 (95% CI, 1.224-3.887). Our demographic data showed younger patients with a higher PDA/BSA index are more likely to develop pulmonary hypertension.


Subject(s)
Ductus Arteriosus, Patent , Hypertension, Pulmonary , Child , Humans , Infant , Child, Preschool , Ductus Arteriosus, Patent/diagnostic imaging , Ductus Arteriosus, Patent/complications , Hypertension, Pulmonary/etiology , Treatment Outcome , Retrospective Studies , Hemodynamics , Echocardiography , Cardiac Catheterization/adverse effects
4.
Eur J Cardiothorac Surg ; 63(6)2023 06 01.
Article in English | MEDLINE | ID: mdl-36971610

ABSTRACT

OBJECTIVES: To mitigate the shortage of homograft sources, the use of handmade trileaflet expanded polytetrafluoroethylene valves in pulmonary valve replacement has shown excellent results from multicentre studies conducted in Japan. However, world-wide data outside Japan are relatively insufficient. This study presents the long-term results of a single surgeon's use of flipped-back trileaflet method in a 10-year case series. METHODS: We have developed an efficient way to make a trileaflet-valved conduit utilizing flipped-back method for pulmonary valve replacement and have employed the technique since 2011. Retrospective data were studied between October 2010 and January 2020. Echocardiography, electrocardiogram, Pro-Brain Natriuretic Peptide and Magnetic Resonance Imaging data were analysed. RESULTS: Fifty-five patients were reviewed and median follow-up duration was 2.9 years. The majority of diagnoses was Tetralogy of Fallot (n = 41), and these patients subsequently underwent secondary pulmonary valve replacement at a median age of 15.6 years. Survival was 92.7% with the longest follow-up period being 10 years. There was no need for reoperation, and freedom from reintervention was 98.0% at 10 years. There were 4 deaths (3 in-hospital and 1 outpatient). One patient eventually received transcatheter pulmonary valve implantation. Postoperative echocardiography showed mild or less pulmonary stenosis and pulmonary regurgitation degree in 92.2% and 92.0% of patients, respectively. Comparable magnetic resonance imaging data (n = 25) showed significant reduction in right ventricular volumes but not in ejection fractions. CONCLUSIONS: Our series showed satisfactory long-term function of handmade flipped-back trileaflet-valved conduit used in our patients. The simple design is efficiently reproducible without complex fabrication process.


Subject(s)
Heart Valve Prosthesis Implantation , Heart Valve Prosthesis , Pulmonary Valve , Ventricular Outflow Obstruction , Humans , Adolescent , Pulmonary Valve/surgery , Polytetrafluoroethylene , Retrospective Studies , Prosthesis Design , Treatment Outcome , Ventricular Outflow Obstruction/surgery
5.
Pediatr Neonatol ; 64(4): 371-380, 2023 07.
Article in English | MEDLINE | ID: mdl-36585272

ABSTRACT

BACKGROUND: Prenatal diagnosis of congenital heart disease (CHD) often leads affected families to experience psychological stress. Pediatric cardiology consultation is important in providing parents with sufficient information and reducing their anxiety to make an informed pregnancy decision. Involving a fetal nurse coordinator may optimize fetal anomaly care. Our study aimed to identify factors associated with parental decision-making for choosing to use pediatric cardiology consultations and pregnancy termination. METHODS: From September 2017 to December 2018, all fetal CHD cases diagnosed in the second trimester from a primary screening clinic in Taiwan were included (n = 145). Univariate and multivariate logistic regression were performed to analyze maternal, fetal, and medical factors for predictors of parental decisions for consultation use and pregnancy termination. RESULTS: Acceptance for fetal nurse coordinator care and pediatric cardiology consultation were 84.8% (n = 123) and 83.4% (n = 121), respectively. Predictors for termination of pregnancy included the following: multiple anomalies (OR: 10.6; 95% CI: 3.6-35.7), chromosomal/genetic abnormalities (OR: 20.2; 95% CI: 3.1-395.8), severe CHDs (OR: 9.8; 95% CI: 4.3-23.4), CHDs that required surgery (OR: 32.4; 95% CI: 11.4-117.8), and physiological single-ventricle (OR: 47.3; 95% CI: 12.4-312.5). Parents who had pediatric cardiology counseling were less likely to terminate the pregnancy (OR: 0.1; 95% CI: 0.0-0.7). Parents with fetal diagnosis having multiple anomalies (OR: 0.2; 95% CI: 0.1-0.7) or chromosomal/genetic abnormalities (OR: 0.1; 95% CI: 0.03-0.9) were less likely to make use of cardiology consultation. Parents who accepted fetal nurse coordinator care were more likely to have pediatric cardiology consultation before pregnancy decision (OR: 149.5, 95% CI: 37.8-821.5). CONCLUSIONS: Anomaly complexity appeared to be a strong predictor for termination of pregnancy beyond non-acceptability of prenatal cardiology consultation. Prenatal cardiology counseling may help support the parental decision to continue with the pregnancy. Incorporation of a fetal nurse coordinator care into the multidisciplinary fetal medicine team improved the acceptability of prenatal consultation.


Subject(s)
Abortion, Induced , Heart Defects, Congenital , Pregnancy , Female , Child , Humans , Prenatal Diagnosis , Heart Defects, Congenital/diagnosis , Chromosome Aberrations , Parents/psychology , Referral and Consultation , Ultrasonography, Prenatal
6.
Cardiol Young ; : 1-2, 2022 Nov 14.
Article in English | MEDLINE | ID: mdl-36373332

ABSTRACT

Aorto-right-atrial fistula is an uncommon condition with an unclear pathogenesis. We present the case of a 3-year-old girl with a giant omphalocele repaired days after birth and incidentally discovered with a celiacomesenteric trunk-to-right atrium fistula. Three-dimensional reconstruction CT unveiled its anatomical pattern, and the fistula was successfully closed using a Amplatzer vascular plug II percutaneously.

7.
Chem Biol Interact ; 368: 110177, 2022 Dec 01.
Article in English | MEDLINE | ID: mdl-36100036

ABSTRACT

Cyclosporin A is an immunosuppressive drug with anti-cancer effect. Arsenic trioxide (As2O3), a well-known cancer-inhibiting drug, induced cytotoxicity via apoptosis and autophagy. The aim of this study is to evaluate the effect of combinational treatment with cyclosporin A and arsenic trioxide on cell viability inhibition in cervical cancer cells. Using MTT assay and combination index, combinational treatment with cyclosporin A and arsenic trioxide induced a synergistic cytotoxic effect in Caski and SiHa cells. Cyclosporin A and arsenic trioxide triggered cell death via non-apoptotic pathway by using annexin V/propidium iodide (PI) assay. Cyclosporin A and arsenic trioxide combined treatment decreased mitochondrial membrane potential and increase reactive oxygen species (ROS) generation. This co-treatment increased LC3B-II expression and autophagosome formation in cervical cancer cells. This study first demonstrated that combinational treatment with cyclosporin A and As2O3 trigger synergistic cytotoxic effect via autophagy in cervical cancer cells.


Subject(s)
Antineoplastic Agents , Arsenicals , Uterine Cervical Neoplasms , Female , Humans , Arsenic Trioxide/pharmacology , Uterine Cervical Neoplasms/drug therapy , Cyclosporine/pharmacology , Antineoplastic Agents/pharmacology , Antineoplastic Agents/therapeutic use , Apoptosis , Arsenicals/pharmacology , Oxides/pharmacology , Cell Line, Tumor
8.
J Cardiovasc Dev Dis ; 9(6)2022 Jun 09.
Article in English | MEDLINE | ID: mdl-35735813

ABSTRACT

Sudden infant death syndrome (SIDS), the most common cause of infant death in developed countries, is attributed to diverse trigger factors. Malignant cardiac dysrhythmias are potentially treatable etiologies, and congenital long QT syndrome (LQTS) is the most common cardiac ionic channelopathy confronted. ß-Blockers or class Ib agents are the drugs of choice for the control of arrhythmias, and an implantable cardioverter defibrillator (ICD) should be considered for secondary prevention in survivors of lethal cardiac death. We report the case of a 4-day old neonate, later genetically confirmed as LQT type 3 (LQT3), who survived a pulseless torsades de pointes (TdP) attack and was successfully treated with propranolol, mexiletine, and ICD implantation.

9.
Acta Cardiol Sin ; 35(6): 600-604, 2019 Nov.
Article in English | MEDLINE | ID: mdl-31879511

ABSTRACT

BACKGROUND: Persistent left superior vena cava (PLSVC) is a vascular anomaly that is usually asymptomatic and detected incidentally. The incidence of PLSVC has seldom been evaluated in normal populations. In this study, we determined the incidence of PLSVC in a normal neonatal population using transthoracic echocardiography. We also evaluated the associations between PLSVC and asymptomatic congenital heart diseases. MATERIALS AND METHODS: In this retrospective study, we identified healthy neonates based on echocardiography results from 2008 to 2017. Based on the echocardiography findings, we categorized the patients into a PLSVC group and a control group (patients without PLSVC). Chi-square and logistic regression tests were used for data analysis. RESULTS: Of the 19,488 neonates assessed in this study, 56 were found to have PLSVC, and the remaining 19,432 neonates comprised the control group. The incidence of PLSVC was 0.29% in our population. In the PLSVC group, 3.6% of the patients exhibited bicuspid aortic valves, and 10.7% of the patients exhibited secundum-type atrial septal defects. Both the incidence and association of these conditions were higher in the PLSVC group than in the control group. CONCLUSIONS: Based on the echocardiography examination results, we discovered that the incidence of PLSVC in Taiwanese neonates was 0.29%. Although the neonates with PLSVC were asymptomatic and exhibited no health concerns, they were associated with higher incidence rates of bicuspid aortic valves and secundum-type atrial defects. Additional follow-up and evaluation regarding these findings may be warranted.

10.
J Psychopharmacol ; 33(10): 1288-1302, 2019 10.
Article in English | MEDLINE | ID: mdl-31294644

ABSTRACT

BACKGROUND: Compelling animal and clinical studies support the N-methyl-D-aspartate receptor (NMDAR) hypofunction hypothesis of schizophrenia and suggest promising pharmacological agents to ameliorate negative and cognitive symptoms of schizophrenia, including sarcosine, a glycine transporter-1 inhibitor. AIMS AND METHODS: It is imperative to evaluate the therapeutic potential of sarcosine in animal models, which provide indispensable tools for testing drug effects in detail and elucidating the underlying mechanisms. In this study, a series of seven experiments was conducted to investigate the effect of sarcosine in ameliorating behavioral deficits and the underlying mechanism in pharmacological (i.e., MK-801-induced) and genetic (i.e., serine racemase-null mutant (SR-/-) mice) NMDAR hypofunction models. RESULTS: In Experiment 1, the acute administration of 500/1000 mg/kg sarcosine (i.p.) had no adverse effects on motor function and serum biochemical responses. In Experiments 2-4, sarcosine significantly alleviated MK-801-induced (0.2 mg/kg) brain abnormalities and behavioral deficits in MK-801-induced and SR-/- mouse models. In Experiment 5, the injection of sarcosine enhanced CSF levels of glycine and serine in rat brain. In Experiments 6-7, we show for the first time that sarcosine facilitated NMDAR-mediated hippocampal field excitatory postsynaptic potentials and influenced the movement of surface NMDARs at extrasynaptic sites. CONCLUSIONS: Sarcosine effectively regulated the surface trafficking of NMDARs, NMDAR-evoked electrophysiological activity, brain glycine levels and MK-801-induced abnormalities in the brain, which contributed to the amelioration of behavioral deficits in mouse models of NMDAR hypofunction.


Subject(s)
Behavioral Symptoms/drug therapy , Brain Diseases/drug therapy , Glycine Plasma Membrane Transport Proteins/agonists , Receptors, N-Methyl-D-Aspartate/drug effects , Sarcosine/pharmacology , Schizophrenia/drug therapy , Animals , Behavioral Symptoms/chemically induced , Brain Diseases/chemically induced , Disease Models, Animal , Dizocilpine Maleate/pharmacology , Excitatory Amino Acid Antagonists/pharmacology , Male , Mice , Mice, Inbred C57BL , Mice, Knockout , Racemases and Epimerases/genetics , Sarcosine/administration & dosage , Schizophrenia/metabolism , Schizophrenia/pathology , Schizophrenia/physiopathology
11.
Liver Int ; 39(6): 1052-1061, 2019 06.
Article in English | MEDLINE | ID: mdl-30790411

ABSTRACT

BACKGROUND AND AIMS: Despite the success of universal infant immunization initiated in Taiwan in 1984, occult hepatitis B virus infection (OBI) and circulating surface antigen mutants remain potential obstacles for eventual eradication of HBV infection. METHODS: From 3299 apparently healthy, neonatally-vaccinated subjects (<30 years of age ) enrolled during 2014 serosurvey, we recruited all HBsAg-positive (n = 17), all HBsAg-negative but anti-HBc-positive (n = 132) and randomly selected HBsAg-negative and anti-HBc-negative subjects (n = 411). These recruited subjects and 81 HBsAg-negative children with various forms of hepatitis and multiple transfusions were analysed for serum HBV DNA. RESULTS: In healthy, HBsAg-negative subjects, OBI frequency was higher in anti-HBc-positive than anti-HBc-negative individuals (8/90[8.9%] vs 8/301[2.7%], P = 0.0192) aged <18-years, but was not different between anti-HBc-positive and anti-HBc-negative individuals (0/11[0%] vs 3/110[2.7%], P > 0.05) aged 18 to 30 years. OBI occurred more frequently in children of HBsAg-positive mothers than in children of HBsAg-negative mothers (10/101 [9.9%] vs 1/75 [1.3%], P = 0.025). The prevalence of surface 'a' determinant (aa110-160) mutants was 13.3% (2/15) in OBI subjects compared to 36.4% (4/11) in HBsAg-positive subjects (P > 0.05). OBI was found in 30% (3/10) of serologic 'non-A to E' viral hepatitis, 14.3% (3/21) of chronic hepatitis C and 2.0% (1/50) of multitransfused, thalassemic children. CONCLUSIONS: In this highly immunized population, surface antigen mutant infection is uncommon and has low contribution to OBI development. HBsAg screening plus highly sensitive HBV DNA assays are needed for assurance of blood supply safety. Multiple transfusions from HBsAg-negative blood donors rarely result in persistent HBV infection. HBV might be related to some of serologic 'non-A to E' viral hepatitis.


Subject(s)
Hepatitis B Antibodies/blood , Hepatitis B Surface Antigens/blood , Hepatitis B Vaccines , Hepatitis B/prevention & control , Adolescent , Adult , Child , Child, Preschool , Female , Hepatitis B/epidemiology , Hepatitis B virus/genetics , Humans , Infant , Infant, Newborn , Male , Taiwan/epidemiology , Vaccination , Young Adult
12.
Cancers (Basel) ; 12(1)2019 Dec 31.
Article in English | MEDLINE | ID: mdl-31906234

ABSTRACT

ABT-737, a B cell lymphoma-2 (Bcl-2) family inhibitor, activates apoptosis in cancer cells. Arsenic trioxide is an apoptosis activator that impairs cancer cell survival. The aim of this study was to evaluate the effect of a combination treatment with ABT-737 and arsenic trioxide on uterine cervical cancer cells. MTT (3-(4,5-dimethylthiazol-2-yl)-25-diphenyltetrazolium bromide) assay revealed that ABT-737 and arsenic trioxide induced a synergistic effect on uterine cervical cancer cells. Arsenic trioxide enhanced ABT-737-induced apoptosis and caspase-7 activation and the ABT-737-mediated reduction of anti-apoptotic protein Mcl-1 in Caski cells. Western blot assay revealed that arsenic trioxide promoted the ABT-737-mediated reduction of CDK6 and thymidylate synthetase in Caski cells. Arsenic trioxide promoted ABT-737-inhibited mitochondrial membrane potential and ABT-737-inhibited ANT expression in Caski cells. However, ABT-737-elicited reactive oxygen species were not enhanced by arsenic trioxide. The combined treatment induced an anti-apoptosis autophagy in SiHa cells. This study is the first to demonstrate that a combination treatment with ABT-737 and arsenic trioxide induces a synergistic effect on uterine cervical cancer cells through apoptosis. Our findings provide new insights into uterine cervical cancer treatment.

14.
Curr Pharm Des ; 20(32): 5139-50, 2014.
Article in English | MEDLINE | ID: mdl-24410559

ABSTRACT

Schizophrenia and other psychiatric disorders are generally diagnosed based on a collection of symptoms defined by a combination of an individual's feelings, perceptions, and behaviors. Many of these disorders are characterized by specific cognitive and social deficits. Although it is nearly impossible to recapitulate the full phenotypic spectrum of schizophrenia in mice, mouse models play an indispensable role in understanding the pathogenesis of this disorder and the development of new therapeutics. Genetic mouse models of schizophrenia and mouse behavioral tests provide a feasible approach for elucidating causal relationships between susceptibility gene(s) and schizophrenia-related symptoms. There has been a proliferation of studies characterizing basic behavioral phenotypes in mice. Since there is no way to completely model human psychiatric symptoms in mice, the major role of behavioral tests is to provide insights into underlying affected circuitry and pathophysiology. Given that the recovery of cognitive and social abilities significantly benefits functional outcomes, there has been an increasing interest in characterizing cognitive and social functions in mutant mice; however, these functions are not easy to measure. In this review, a selection of conventional behavioral tasks was briefly described and three specific behavioral tasks aimed at characterizing social communication, attentional function, and choice behavior in mice were highlighted. The choice of specific behavioral tasks during experimental planning should take into consideration a variety of factors, including their validity, reliability, sensitivity, utility, and specificity. Based upon the hypothetical hypofunction of N-methyl-D-aspartate receptor (NMDAR)-mediated signaling pathways in the involvement of cognitive and social impairments in schizophrenia, three NMDAR-related compounds/drugs, D-serine, sarcosine, and D-cycloserine, are discussed as an example.


Subject(s)
Cognition Disorders/therapy , Nootropic Agents/pharmacology , Schizophrenia/therapy , Animals , Behavior, Animal , Cognition Disorders/etiology , Cognition Disorders/physiopathology , Disease Models, Animal , Humans , Mice , Nootropic Agents/administration & dosage , Nootropic Agents/therapeutic use , Receptors, N-Methyl-D-Aspartate/metabolism , Reproducibility of Results , Schizophrenia/physiopathology , Social Behavior
15.
Aging Ment Health ; 15(7): 873-81, 2011 Sep.
Article in English | MEDLINE | ID: mdl-21547748

ABSTRACT

The objective of this study is to identify the relationship between physical exercise and the feelings of well-being of the retired elderly. Face-to-face questionnaire survey was adopted, and quota sampling was chosen to select the respondents. A total of 352 valid questionnaires were collected in selected parks in Taipei. The survey found that the Taiwanese retired elderly participated in a wide range of sports, from light exercise such as walking to vigorous exercise such as tennis and aerobics, and their participation frequency was very high. Most of the respondents (87.2%) were defined as having positive well-being. The results showed that exercise frequency and well-being were positively correlated, but a negative correlation was found between exercise intensity and well-being. The survey found that the intensity of exercise was self-evaluated by as being low to moderate, but most of the activities were in the categories of moderate or vigorous intensity according to the metabolic equivalents suggested by American College of Sports Medicine. The study suggest that the elderly felt more comfortable and gained more pleasure psychologically while participating in exercises less intensive. As a result, the retired elderly are recommended to take exercise as frequently as possible. As to exercise intensity, self-evaluated low-to-moderate intensity exercise might be better for the psychological well-being of the elderly.


Subject(s)
Aging/psychology , Exercise , Mental Health , Aged , Data Collection , Female , Happiness , Humans , Male , Middle Aged , Quality of Life , Retirement , Taiwan
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