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کاربرد نوع شرط:
- جایگاه : پژوهشی
- مجله: Iranian Journal of Basic Medical Sciences
- نوع مقاله: Journal Article
- کلمات کلیدی: Conditioned medium Ischemic heart diseases Mesenchymal stem cells Myocardial ischemia/,reperfusion injury Oxidative stress
- چکیده:
- چکیده انگلیسی: Objective(s): Ischemic heart diseases (IHD) are one of the major causes of death worldwide. Studies have shown that mesenchymal stem cells can secrete and release conditioned medium (CM) which has biological activities and can repair tissue injury. This study aimed to investigate the effects of human amniotic membrane mesenchymal stem cells (hAMCs)-CM on myocardial ischemia/reperfusion (I/R) injury in rats by targeting oxidative stress.
Materials and Methods: Male Wistar rats (40 rats, weighing 200–250 g) were randomly divided into four groups: Sham, myocardial infarction (MI), MI + culture media, and MI + conditioned medium. MI was induced by ligation of the left anterior descending coronary artery for 30 min. After 15 min of reperfusion, intramyocardial injections of hAMCs-CM or culture media (150 μl) were performed. At the end of the experiment, serum levels of cardiac troponin-I (cTn-I), myocardial levels of malondialdehyde (MDA), superoxide dismutase (SOD), and glutathione peroxidase (GPx), as well as cardiac histological changes were evaluated.
Results: HAMCs-CM significantly decreased cTn-I and MDA levels and increased SOD and GPx activities (p <0.05). In addition, hAMCs-CM improved cardiac histological changes and decreased myocardial injury percentage (p <0.05).
Conclusion: This study showed that hAMCs-CM has cardioprotective effects in the I/R injury condition. Reduction of oxidative stress by hAMCs-CM plays a significant role in this context. Based on the results of this study, it can be concluded that hAMCs-CM can be offered as a therapeutic candidate for I/R injury in the future, but more research is needed.- انتشار مقاله: 14-01-1399
- نویسندگان: Behnaz Mokhtari,Yaser Azizi,Aliakbar Rostami Abookheili,Nahid Aboutaleb,Donya Nazarinia,Nasim Naderi
- مشاهده
- جایگاه : پژوهشی
- مجله: Iranian Journal of Basic Medical Sciences
- نوع مقاله: Journal Article
- کلمات کلیدی: Conditioned medium Ischemic heart diseases Mesenchymal stem cells Myocardial ischemia/,reperfusion injury Oxidative stress
- چکیده:
- چکیده انگلیسی: Objective(s): Ischemic heart diseases (IHD) are one of the major causes of death worldwide. Studies have shown that mesenchymal stem cells can secrete and release conditioned medium (CM) which has biological activities and can repair tissue injury. This study aimed to investigate the effects of human amniotic membrane mesenchymal stem cells (hAMCs)-CM on myocardial ischemia/reperfusion (I/R) injury in rats by targeting oxidative stress.
Materials and Methods: Male Wistar rats (40 rats, weighing 200–250 g) were randomly divided into four groups: Sham, myocardial infarction (MI), MI + culture media, and MI + conditioned medium. MI was induced by ligation of the left anterior descending coronary artery for 30 min. After 15 min of reperfusion, intramyocardial injections of hAMCs-CM or culture media (150 μl) were performed. At the end of the experiment, serum levels of cardiac troponin-I (cTn-I), myocardial levels of malondialdehyde (MDA), superoxide dismutase (SOD), and glutathione peroxidase (GPx), as well as cardiac histological changes were evaluated.
Results: HAMCs-CM significantly decreased cTn-I and MDA levels and increased SOD and GPx activities (p <0.05). In addition, hAMCs-CM improved cardiac histological changes and decreased myocardial injury percentage (p <0.05).
Conclusion: This study showed that hAMCs-CM has cardioprotective effects in the I/R injury condition. Reduction of oxidative stress by hAMCs-CM plays a significant role in this context. Based on the results of this study, it can be concluded that hAMCs-CM can be offered as a therapeutic candidate for I/R injury in the future, but more research is needed.- انتشار مقاله: 14-01-1399
- نویسندگان: Behnaz Mokhtari,Yaser Azizi,Aliakbar Rostami Abookheili,Nahid Aboutaleb,Donya Nazarinia,Nasim Naderi
- مشاهده
- جایگاه : پژوهشی
- مجله: International Journal of Health Policy and Management
- نوع مقاله: Journal Article
- کلمات کلیدی: Iran,Factor analysis,Equity,Re-Hospitalization,Congestive Heart Failure,Socio-Economic Status (SES)
- چکیده:
- چکیده انگلیسی: Background
The aim of this study was to examine the impacts of multiple indicators of Socio-economic Status (SES) on Congestive Heart Failure (CHF) related readmission.
Methods
A prospective study consisting of 315 patients without the history of admission due to CHF was carried out in Tehran during 2010 and 2011. They were classified into quartiles based on their SES applying Principal Component Analysis (PCA), and followed up for one year. Using stratified Cox regression analysis, Hazard Ratios (HRs) were computed to assess the impact of SES on the readmission due to CHF.
Results
During the 12 months follow-up, 122 (40%) were readmitted at least once. HR of lowest SES patients vs. the highest SES patients (the fourth versus first quartile) was 2.66 (95% CI= 1.51–4.66). Variables including abnormal ejection fraction (<40%), poor physical activity, poor drug adherence, and hypertension were also identified as significant independent predictors of readmission.
Conclusion
The results showed low SES is a significant contributing factor to increased readmission due to CHF. It seems that the outcome of CHF depends on the SES of patients even after adjusting for some of main intermediate factors.- انتشار مقاله: 04-03-1393
- نویسندگان: Atefeh Noori,Mostafa Shokoohi,Mohammad Reza Baneshi,Nasim Naderi,Hooman Bakhshandeh,Ali Akbar Haghdoost
- مشاهده
- جایگاه : پژوهشی
- مجله: Asia Pacific Journal of Medical Toxicology
- نوع مقاله: Journal Article
- کلمات کلیدی: Poisoning,COVID-19,Aluminum phosphide,extracorporeal membrane oxygenation
- چکیده:
- چکیده انگلیسی: Introduction: Aluminum phosphide (ALP) is one of the most common causes of poisoning. Also, it is commonly used to attempt suicide. Extracorporeal Membrane Oxygenation (ECMO) is a therapeutic method that supports the function of the heart and lungs, giving body enough time for detoxification and organ function improvement; therefore, management of the problem using ECMO is critical in these patients and increases the survival chance. Moreover, the impact of COVID-19 on the treatment course during the COVID-19 pandemic and the patients' involvement and contact with the virus is a critical issue with unknown consequences.
Case presentation: The patient was an 18-year-old girl who was hospitalized due to the poisoning aluminum phosphate. The ECMO was connected to the patient during CPR. Then, the patient was transported to a specialized healthcare facility. At the time of arrival, the EF (Ejection Fraction) was less than 5%. During the course of poisoning, the patient developed ARDS, fulminant hepatitis, massive gastrointestinal and vaginal bleeding, and septicemia. The ECMO was weaned on day 5 when the EF was reported 55%. In the following, the general and pulmonary conditions of the patient exacerbated when she was suspected of having COVID-19. The necessary therapeutic measures were done and finally, the patient was discharged after 45 days.
Conclusion: ECMO is a useful therapeutic procedure in ALP poisoned patients. In case of careful management, it can be used in multiple organ involvement and prolonged PCR. Considering the COVID-19 pandemic, it is very important to notice the chance of COVID-19 infection in ICU during treatment.- انتشار مقاله: 20-10-1399
- نویسندگان: Mahdi Daliri,Saeid Hosseini,Ahmad Amin,Ziae Totonchi,Jan Schmitto,Nasim Naderi,Mona Yadollahi
- مشاهده