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1.
Chinese Journal of Behavioral Medicine and Brain Science ; (12): 152-158, 2023.
Artigo em Chinês | WPRIM | ID: wpr-992070

RESUMO

Objective:To explore the latent classes of parental feeding behaviors in preschool children, and to examine the relationship between potential types of parental feeding behaviors and parental depression status.Methods:From May to July 2021, parents of preschoolers from eight kindergartens in Shanghai were recruited and investigated.A paper-based questionnaire consisting of the Chinese preschooler’s caregivers’ feeding behavior scale (CPCFBS) and the center for epidemiological studies depression scale (CESD-10) was employed.Finally, a total of 1 006 valid questionnaires were retrieved.Mplus 8.0 and SPSS 26.0 were used for statistical analysis.The latent class analysis was used to identify subgroups of parents based on their feeding practices.Multinomial Logistic regression was used to examine the relevant influencing factors.Results:The feeding behaviors of parental of preschool children could be divided into four potential categories: " high responsiveness and high non-responsiveness type" (24.55%), " low responsiveness and high non-responsiveness type" (27.44%), " high responsiveness and low non-responsiveness type" (28.33%) and " low responsiveness and low non-responsiveness type" (19.68%). The parents with depression status were less likely to be categorized as " high responsiveness and low non-responsiveness type" ( OR=0.386, 95% CI: 0.218-0.684). The parents with older children were more likely to be categorized as " low responsiveness and low non-responsiveness type" ( OR=1.318, 95% CI: 1.039-1.672). Conclusion:The feeding practices of parents of preschool children can be categorized into four latent classes.The parents with depression status are more likely to adopt non-responsive feeding practice than responsive feeding practice.Actively paying attention to and improving the depression status of parents may help the feeder to adopt scientific feeding behavior.

2.
Shanghai Journal of Preventive Medicine ; (12): 791-798, 2023.
Artigo em Chinês | WPRIM | ID: wpr-997031

RESUMO

ObjectiveTo explore the effects of after-school tutoring for school-age children on their emotions and behaviors, and to provide a basis for developing after-school tutoring and psychological support strategies for school-age children. MethodsFour elementary schools in a district of Shanghai were selected by simple random sampling method. Whole group sampling was conducted by class, and parents of students were surveyed by general questionnaire and the scale of strengths and difficulties. Information was collected on the basic conditions of children and families and the results were compared and analyzed. ResultsThis study showed that 88.26% of children attended extracurricular classes, of which 26.16% attended 3 or more classes, 42.5% attended cultural classes, 28.3% attended sports classes, and 59.8% attended art classes. Children who did not attend classes had higher pro-social scores. Children who attended reading class had lower scores for emotional problems that was a protective factor for emotional problems. Children who chose extracurricular programs in sports and reading also had lower overall scores for difficulties. Excessive use of electronic devices by school-age children on weekdays or weekends had a negative effect on emotional and conduct problem scores regardless of whether they chose extracurricular programs. It appeared that the choice of cultural programs, art programs and different levels of exercise intensity had no effect on children's emotions and behaviors. ConclusionFor children with low pro-social level, extracurricular classes should be carefully selected. For extracurricular classes, more reading and sports-related courses can be considered, which have positive effects on school-age children’s emotions and behaviors. Regardless of the choice of extracurricular classes, try to avoid excessive online classes.

3.
Chinese Journal of Practical Nursing ; (36): 1554-1561, 2023.
Artigo em Chinês | WPRIM | ID: wpr-990372

RESUMO

Objective:To investigate the intention to participate in health care in transitional children and adolescents with diabetes and analyze its influencing factors.Methods:This was a cross-sectional survey study. From March to October 2021, 185 children and adolescents with diabetes were selected as research subjects by convenience sampling method from People′s Hospital Affiliated to Jiangsu University. General data questionnaire, Participation in Health Care Intention Questionnaire, Health Literacy Scale and Diabetes Self-management Scale were used to investigate, and multiple linear regression was used to analyze the influencing factors of the population′s intention to participate in health care.Results:The transitional children and adolescents with diabetes participation in health care intention total score was (124.87 ± 16.31) points, the health literacy total score was (33.70 ± 4.38) points, diabetes self-management total score was (35.11 ± 5.19) points. The regression analysis found that age, course of the disease, diabetes type, family structure modes, health literacy, and self-management ability were the main factors influencing adolescents involved in health care intention ( t values were -1.99-2.66, all P<0.05), including health literacy ability and disease management ability was positively correlated with the disease ( r = 0.250, 0.232, both P<0.01). Conclusions:The transitional children and adolenscents with diabetes have a medium level of intention to participate in health care. The transitional children and adolenscents with older age, longer disease course and nuclear family structure had higher levels of health care intention. The higher the level of health literacy and self-management, the higher the level of intention to participate in health care, medical staff should take targeted measures to improve the intention to participate in health care, promote this group to improve disease management ability and quality of life.

4.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 816-821, 2022.
Artigo em Chinês | WPRIM | ID: wpr-939987

RESUMO

ObjectiveTo identify the appropriate definition, scope of application, the mechanism and the efficacy of the chin-down maneuver in aspiration reduction or prevention. MethodsLiteratures about chin-down published before July, 2021 were reviewed. ResultsA total of 13 articles were included. Chin-down refered to the action of bending the neck and leaning the chin as far as possible toward the chest. Chin-down maneuver could change the position and pressure of the pharyngeal structure to guide the food safely into the esophagus, to prevent or reduce aspiration. Chin-down maneuver was effctive on dysphagia caused by insufficient laryngeal elevation, delayed pharyngeal reflex, epiglottal defect, lychee cartilage defect, and glottis closure defect. However, this action worked in patients with premature overflow of food clumps, weak pharyngeal contraction muscle strength, and poor oral preservation. ConclusionChin-down maneuver is beneficial to aspiration dysphagia after dysphagia.

5.
International Journal of Pediatrics ; (6): 394-397, 2020.
Artigo em Chinês | WPRIM | ID: wpr-862998

RESUMO

As a special group of newborns, small for gestational age (SGA) has high morbidity and mortality in perinatal period, and survivors often leave many health problems and sequelae.Early active nutritional support is beneficial to improve physical growth and nervous system development, and improve immunity, but rapid growth is also associated with obesity, insulin resistance, metabolic syndrome and so on.How to balance the advantages and disadvantages and achieve optimal catch-up growth is an important challenge for SGA nutritional support.This paper reviews the characteristics of SGA growth and development, nutritional requirements, feeding strategies and growth rate, in order to provide a basis for further research on feeding guidelines for children younger than gestational age.

6.
Chinese Journal of Epidemiology ; (12): 719-725, 2019.
Artigo em Chinês | WPRIM | ID: wpr-805460

RESUMO

Objectives@#To establish a geographic information application system for analyzing the spatial and temporal distribution of major infectious diseases in various regions of the world and to assess the risk of importation of those diseases, to China.@*Methods@#We collected and integrated the following information on: 1) outbreaks and areas of epidemics of major infectious diseases in the world from 2000 to 2017, 2) cases of infectious diseases in arriving travelers through active surveillance at international entry-exit ports in mainland China from 2014 to 2016, 3) numbers of annual global international flights and travelers in the country. With the above information, a global space-time distribution database on major infectious diseases was then established, using the technology related to the system. Models regarding technologies on time-space analysis, probabilistic risk assessment and geographic information visualization, were applied to establish a geographic information system on risk assessment of infectious diseases that imported to China.@*Results@#Through integration of information on outbreaks and epidemic areas of 60 major infectious diseases in 220 countries and regions around the world, as well as 42 kinds of infectious diseases identified among the international arrivals in mainland China, a system was then developed. Information on the distribution of major infectious diseases and their potential risks in the worldwide various regions, characteristics of spectrum and disease burden of infectious diseases imported to each province of mainland China were displayed. Thus, risks on importing infectious diseases in each province via air way were able to be evaluated and simulated by the probabilistic risk assessment model, under the information on specific kind of infectious disease, outside China.@*Conclusion@#Geographic Information System on Risk Assessment Regarding Infectious Diseases Imported to China provides basic data for epidemiological reconnaissance and assessment on risks of importing infectious diseases outside China, thus would be helpful for the improvement of strategies on surveillance, prevention and control regarding the importing infectious diseases, in China.

7.
Chinese Journal of Primary Medicine and Pharmacy ; (12): 287-290, 2018.
Artigo em Chinês | WPRIM | ID: wpr-701713

RESUMO

Objective To explore the effect of Xingnao acupuncture combined with swallowing rehabilitation training on dysphagia after stroke .Methods 66 patients with dysphagia after stroke were selected as the research subjects ,and they were randomly divided into the observation group and the control group ,33 cases in each group .The control group was given rehabilitation training on the basis of conventional treatment ,while the observation group was given Xingnao acupuncture method on the basis of the control group .The therapeutic effect ,swallowing function and adverse reactions were observed before and after treatment in the two groups .Results After treatment,the treatment effect in the observation group was significantly better than that in the control group ,there was statistically significant difference between the two groups (Z=-4.123,P<0.05).The total effective rates of the two groups were 93.94%, 75.76%,respectively,there was no statistically significant difference between the two groups (χ2 =1.906,P>0.05). After treatment,the Watian drinking water test scores,standardized swallowing assessment (SSA) score,dysphagia score in the control group were (1.39 ±0.47) points,(23.02 ±5.24) points,(1.25 ±0.55) points,respectively, which in the observation group were (0.74 ±0.39) points,(18.26 ±3.71) points,(0.74 ±0.28) points,and the differences were statistically significant compared with before treatment ( the control group:t =21.453,10.644, 26.212,all P<0.05;the observation group:t=27.779,14.15,37.469,all P<0.05),which in the observation group were better than those in the control group ,the differences were statistically significant ( t=6.114,4.259,4.747,all P<0.05).There was no statistically significant difference in the incidence of adverse events between the two groups (P>0.05).Conclusion Xingnao acupuncture combined with swallowing rehabilitation training in the treatment of dysphagia after stroke can effectively improve the swallowing function ,improve the quality of life of patients ,and it is safe,reliable and worthy of promotion in clinical practice .

8.
Journal of Clinical Pediatrics ; (12): 852-856, 2017.
Artigo em Chinês | WPRIM | ID: wpr-694622

RESUMO

Objective To study the influencing factors on anemia in preterm infants at the corrected age of 6-month-old based on gestational age (GA),birth weight (BW) and feeding pattems.Method Preterm infants with GA<37 weeks (n=124)were followed up to 6 months of corrected age (CA) between June 2014 and November 2015.The incidence of anemia in preterm infants among different groups according to GA,BW and feeding pattem was statistically analyzed.Results Preterm infants included are of 70 males and 54 females.Median age of GA was 33.7 weeks with an average BW of 1910g.The incidences of anemia was 30.6% (95% CI:23%,38%) in preterm infants at 6 months of CA,66% in breast-fed preterm infants.which is significantly higher than 19% in those receiving mixed feeding and 13% in those receiving formula feeding (P=0.000).No significant differences in anemia incidence were found among preterm infants of different GA and BW.Conclusions Anemia incidence in 6-month-old preterm infants is associated with feeding pattern,which conferrs greatest risk.It is necessary to undergo further analysis and treatments for preterm infants with anemia.

9.
Chongqing Medicine ; (36): 1353-1356, 2016.
Artigo em Chinês | WPRIM | ID: wpr-492285

RESUMO

Objective To evaluate the effect of acupuncture for treating migraine acute attack to offer some evidence‐based basis for clinical application .Methods The Chinese and English literatures on the acupuncture for treating migraine acute attack were retrived from January 1989 to December 2014 ,the literatures were screened according to inclusion and exclusion criteria ,the Meta‐analysis was performed on these chose literatures .Results A total of 5 studies were included and 618 migraineurs were in‐volved ,four literatares were performed the Meta‐analysis ,and 1 literature was performed the description analysis .Meta‐analysis re‐sults showed that there was statistically significant differences between the acupuncture group and the sham acupuncture group in the VAS score reduction value at 2 h[MD=0 .36 ,95% CI:0 .08 ,0 .65 ,P=0 .01] ,4 h[MD=0 .49 ,95% CI:0 .14 ,0 .84 ,P=0 .007] after acupuncture;while when the VAS score was used as the evaluation indicator ,there was no statistically significant differences were found at 2 h[MD= -0 .38 ,95% CI:-0 .83 ,0 .07 ,P=0 .10] ,4 h[MD= -0 .42 ,95% CI:-0 .96 ,0 .12 ,P=0 .12] after acu‐puncture in the VAS score between the acupuncture group and the sham acupuncture group .Conclusion Acupuncture could effec‐tively relieve the intensity of headache in migraine ,the analgesic effect of acupuncture for treating migraine attacks is significantly superior to the sham acupuncture group ,while with the VAS score as the evaluation indicator ,the difference between the acupunc‐ture group and the sham acupuncture group has no statistical significance .

10.
Chinese Journal of Primary Medicine and Pharmacy ; (12): 2637-2640, 2016.
Artigo em Chinês | WPRIM | ID: wpr-495493

RESUMO

Objective To observe the clinical efficacy of diltiazem in patients with coronary disease following percutaneous coronary intervention(PCI).Methods From Jan 2014 to Jan 2016,116 cases of coronary disease were selected as the research subjects,they were randomly divided into the observation group(62cases)and the control group(54 cases).The control group was given conventional therapy,while the observation group was given diltiazem therapy on the basis of control group.The levels of BP,HR,NT -proBNP,CRP and angina frequency in the two groups were compared before and 24h,48h after PCI.The incidence of major adverse cardiovascular events(MACEs) was assessed at the sixth month after PCI.Results After surgery,the CRP levels of the observation group and control group were (40.1 ±7.4)mg/L and (41.7 ±8.8)mg/L,the NT -proBNP levels of the two groups were (501.8 ± 56.5)ng/L and (445.7 ±50.6)ng/L,which were significantly higher than preoperation(t =5.684,P <0.05).The blood pressure,heart rate,CRP,NT -proBNP of the observation group since 24 hours after PCI were (73.1 ± 6.2)mmHg,(121.7 ±15.8)mmHg,(68.1 ±7.9)times/min,(24.8 ±3.7)mg/L,(201.7 ±20.6)ng/L,which were significantly lower than those of control group [(85.6 ±9.3 )mmHg,(134.3 ±17.4)mmHg,(77.5 ± 9.2)times/min,(36.5 ±7.9)mg/L,(481.5 ±48.2)ng/L].The effect was kept over 48 hours(F =7.281,8.097, 6.945,7.682,6.517,all P <0.05).Angina pectoris after treatment in the observation group and control group were (1.5 ±0.9)times/month,(2.9 ±0.7)times/month,which were significantly lower than before treatment(t =7.584,P <0.05).The incidence rate of total MACE in the observation group was 4.84%,which was significantly lower than that in the control group(χ2 =6.942,P <0.05).Conclusion Diltiazem after PCI can decrease the adverse reaction, and help to improve the prognosis of patients.

11.
International Journal of Pediatrics ; (6): 226-229, 2016.
Artigo em Chinês | WPRIM | ID: wpr-485321

RESUMO

Almost 3% of newborns are diagnosed as small for gestational age(SGA)worldwide.Born SGA is one of the important causes of perinatal morbidity and mortality,and is also associated with metabolic diseases in adulthood.Low birth weight by itself is insufficient to characterize growth restriction,as it does not include information about the neonate’s body proportionality.Depending on the origin,timing and severity of in-sult,small for gestational age infants are classified into two types:proportionate or symmetric growth restriction (SGR)and disproportionate or asymmetric growth restriction(AGR).There may be differences in physical and neurological development of these two types.This study compares three classification indexes,and to find differ-ences in postnatal growth of these two types.

12.
Chinese Journal of Applied Clinical Pediatrics ; (24): 1466-1469, 2015.
Artigo em Chinês | WPRIM | ID: wpr-479005

RESUMO

Objective To understand the distribution of overweight and obesity in 0-5 years old children who were born small for gestational age ( SGA) in Shanghai through a cross-sectional investigation. Methods All resident children aged 0-5 years were included, covering all 18 districts in Shanghai. Health-check cards were prepared for SGA children. The check-up included weight,length/height and head circumference. Body mass index ( BMI) was used to evaluate the overweight and obesity according to the standard of World Health Organization ( WHO) . Results This study investigated 728 602 children aged 0-5 years in Shanghai,and ultimately 23 871 of them were defined as SGA,a-mong whom 9 805(41. 4%) were boys and 14 066(58. 9%) were girls. The BMI of SGA children were higher than that of appropriate for gestational age( AGA) from 4 to 18 months,while for the rest of the time,they were basically the same. There was no difference in changing tendency of BMI between SGA children and those AGA children. The distri-bution of overweight and obesity according to the standard of WHO in SGA boys among different ages was 7. 7% to 20. 7%, and 15. 7% in average;the distribution of SGA girls among different ages was 5. 9% to 18. 3%,and 12. 9% in average. The proportion of overweight at the age of 4-18 months was significantly higher than that of other ages. There was no correlation between overweight at 0-2 years old and overweight at the age of 5(P>0. 05). Conclusions Com-pared with SGA girls,overweight and obesity in SGA boys were more serious. The age of 4-18 months were the period of high incidence of overweight. There was no correlation between overweight at 0-2 years old and overweight at the age of 5.

13.
Journal of Regional Anatomy and Operative Surgery ; (6): 168-169, 2014.
Artigo em Chinês | WPRIM | ID: wpr-499851

RESUMO

Objective To summarize the clinical experiences of coronary artery bypass grafting ( CABG) in the treatment of coronary artery disease. Methods CABG were performed on 395 consecutive cases from January 2002 to December 2012,including 299 male and 96 female with a mean age of 62. 3 years old. All the operation were performed under cardiopulmonary bypass (CPB ) with moderate hypothermi-a. Left ventricular aneurysm plasty operation were performed in 18 patients. Results The mean number of grafts was 3. 2,the mean CPB time was 88 min( 62~170 min) ,aortic cross-clamping time was 68 min( 25~102 min) ,mean ventilation time was 18 h( 12~72 h) . There were 8 deaths with a mortality of 2. 0%. Six patients died of multiple organ failure,1 patients died of ventricular fibrillation after operation,1 patients died of acute myocardial infarction. Postoperative follow up was carried out on 280 cases,follow-up time was from 8 months to 11 years. Five of them died of unknow causes. The heart function of the rest was significantly improved. 195 patients were free of angina. 85 pa-tients’ s symptom got better. Conclusion CABG performed under cardiopulmonary bypass ( CPB ) with moderate hypothermia is safe and effective for the treatment of coronary artery disease.

14.
Journal of Zhejiang Chinese Medical University ; (6): 1076-1077, 2013.
Artigo em Chinês | WPRIM | ID: wpr-438887

RESUMO

[Objective]To sum up archiater Zhang Nianzhi's experience in treating lung cancer by supporting essence to remove pahtogeny. [Method] By analysing the causa morbi and mechanism of primary bronchial lung cancer, it expounds Zhang Nianzhi's treating primary bronchial lung cancer by insist-ing on the general rule of strengthening body resistance to eliminate pathogenic factors, applying revised self-made Feiji-1 to the disease, exampled with cases. [Result] Mr Zhang's method centers on nourishing Yin and clearing Qi and removing sputum and stasis, smartly applying Feiji-1 decoction on the disease, with good result. [Conclusion] Mr. Zhang's thought of strengthening body resistance to remove pathogeny, smartly applying self-made Feiji-1 decoction has effective result on clinic.

15.
Journal of Third Military Medical University ; (24)2003.
Artigo em Chinês | WPRIM | ID: wpr-557542

RESUMO

Objective To investigate the effect of chronic atrial fibrillation on free calcium concentration and expression of Ca 2+ /calmodulin dependent protein kinase Ⅱ (CaMKⅡ) in human atrial myocytes. Methods The intracellular free calcium concentration in rapidly isolated atrial myocytes and the expression of CaMKⅡ in atrial tissue of rheumatic heart disease patients with atrial fibrillation (AF) or with normal sinus rhythm were measured by laser scanning confocal microscopy and Western blotting respectively. Results The intracellular Ca 2+ concentration of patients with atrial fibrillation was significantly higher than that of patients with normal sinus rhythm [(276.38?38.12) vs (122.28?45.63) nmol/L, (P

16.
Journal of Third Military Medical University ; (24): 502-504, 2001.
Artigo em Chinês | WPRIM | ID: wpr-410385

RESUMO

Objective To improve intracardiac operation skil ls on bea-ting-heart with mild hypothermic cardiopulmonary bypass (On pump beating-heart technique), and to review the clinical experience in 1 032 c ases. Methods A total of 1 032 cases of intracardiac operatio ns on pump beating-heart from November 1997 to September 2000 were reviewed. Of them, 714 cases were congenital heart diseases (CHD), and 318 cases were valvul ar heart diseases (VHD). The technique was improved by establishing simultaneous left atrium and ventricle suction and integrating sequential de-airing procedu re. Results The operative mortality was 2.33% (24/1 032), the m ortality was 2.7% (19/714) in cases with CHD, and 1.6% (5/318) in those with VHD. There was no pati ent complicated with systemic air embolism or permanent atrioventricular conduct ion block. Conclusion Results suggested that intracardiac procedures on pump beating-heart with mild hypothermic cardiopnlmonary bypass is safe and available in patients with CHD or VHD. It might extenuate the heart and lung injury by hypothermia and ischemia-reperfusion during cardiopulmonary bypass. Cardiac conducting block might be prevented during operation.

17.
Journal of Third Military Medical University ; (24): 505-507, 2001.
Artigo em Chinês | WPRIM | ID: wpr-410384

RESUMO

Objective To compare the clinical efficiency of intracardiac procedures on traditional cardioplegic arrested-heart and on-pu mp beating-heart for congenital heart disease (CHD) with severe pulmonary hyper tension. Methods Among all 153 cases, 95 cases underwent operat ions on cardioplegic arrested-heart, while 58 on-pump beating-heart. In arres ted-heart group, 79 cases with ventricular septal defect (VSD), 13 with atria l septal defect (ASD) and 3 with patent ductus arteriosus (PDA) were examined whi le in beating-heart group, 43 cases with VSD, 10 with ASD, and 5 with PDA were examined. Results There were 12 cases of operative death (12.6%) and 8 of tracheotomy (8.4%) in heart arrested group. No operative death and tracheotomy in beating-heart group. 141 patients were followed up for 3 months to 10 year s with good recovery. There were 2 cases of right heart function failure six yea rs later in arrested-heart group. Conclusion Results sugges t that on-pump beating-heart technique is superior to traditional cardiopl egic arrested-heart for CHD with severe pulmonary hypertesion. The cause might be t hat on-pump beating-heart intracardiac operation is more effective in cardio pulmon ary protection.

18.
Journal of Third Military Medical University ; (24): 511-512, 2001.
Artigo em Chinês | WPRIM | ID: wpr-410382

RESUMO

Objective To introduce the technique of mitral v alve replacements in beating heart, and review the clinical experience in 234 ca ses of operation. Methods A total of 234 patients of mitral val ve replacement in beating heart with mild hypothermic extracorporeal circulation (30~32 ℃) were reviewed. Results  The procedures underwe nt fluently and only 2(0.85%) died early postoperatively. No low cardiac output , arrhythmia and cer ebral embolism complications was found. Conclusion Results sugg ested that mitral valve replacement in beating heart is a safe and available method and is good in extenuating myocardial and pulmonary i njury from ischemia-reperfusion and deep hypothermia.

19.
Journal of Third Military Medical University ; (24): 517-519, 2001.
Artigo em Chinês | WPRIM | ID: wpr-410380

RESUMO

Objective To investigate the relationship betwee n tricuspid insufficiency (TI) and the function of the right ventricle, degree o f pulmonary vascular pathological change in patients with rheumatic heart diseas e so as to provide the indication of operation for treating TI. Methods  41 cases of rheumatic heart disease with TI accompanying with bicuspid pathological changes were reviewed. Correlation analysis was done between the s everity of TI and the right ventricular size(RVS), pulmonary artery pressure(PAP ), pulmonary artery resistance(PAR) etc. Results It was found t hat the size of the right ventricle, PAP, PAR were positively correlated to th e degree of TI. Tricuspid annuloplasty should be carried out in patients with RV D>40 mm, PAR >48 kPa*s/L, PAP>8 kPa. Conclusion TI resulted ma inly from insufficient function of the right ventricle and marked patholog ical changes of the pulmonary blood vessels. Doppler echocardiography evaluation for the function of right ventricle and pathological condition of pulmonary blo od vessels might be of significant in deciding whether tricuspid annuloplasty sh ould be performed simutaneously in patients of bicuspid valve replacement.

20.
Chinese Journal of Pathophysiology ; (12)2000.
Artigo em Chinês | WPRIM | ID: wpr-526147

RESUMO

AIM: To investigate the effect of chronic atrial fibrillation (AF) on free calcium concentration and expression of Ca 2+ /calmodulin dependent protein kinase Ⅱ (CaMKⅡ) in human atrial myocytes. METHODS: The intracellular free calcium concentration in acute isolated atrial myocytes and the expression of CaMKⅡ in atrial tissue of rheumatic heart disease patients with atrial fibrillation (AF) and with normal sinus rhythm were measured by laser scanning cofocal microscopy technique and Western blotting, respectively. RESULTS: The intracellular Ca 2+ concentration in patients with atrial fibrillation was significantly higher than that in patients with normal sinus rhythm [(276.38?38.12) nmol/L vs (122.28?45.63) nmol/L, P

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