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RISS 인기검색어
- 검색키워드
- 저자 : Khazraei, Hajar (검색결과 3 건)
- 무료
- 기관 내 무료
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Stereological study of the diabetic heart of male rats
Ali Noorafshan,Hajar Khazraei,Hossein Mirkhani,Saied Karbalay-Doust 한국실험동물학회 2013 Laboratory Animal Research Vol.29 No.1
The present study aimed to quantitatively compare the normal and diabetic hearts of rats using stereological methods. Diabetic and control rats received streptozotocin (60 mg/kg) and no treatments, respectively. On the 56<sup>th</sup> day, the hearts were removed and their total volume was estimated using isotropic Cavalieri method. The total volume of the connective tissues and vessels, total length and diameter of the vessels, total number of cardiomyocytes nuclei, and the mean volume of the cardiomyocytes were estimated, as well. In comparison to the control animals, 60 and 43% increase was observed in the total volume of the connective tissue and microvessels of the diabetic rats, respectively (P<0.05). The percent of the vessel profiles with the diameter of 2-4 μm was decreased, while the percent of the vessel profiles with the diameter of 4.1-8 μm was increased in the diabetic hearts (P<0.05). No significant difference was found in the vessels with more than 8 μm diameters. The total number of the cardiomyocytes" nuclei and the number-weighted mean volume were respectively decreased by 37 and 64% in the diabetic group (P<0.01). A significant difference was observed between the two groups concerning the left ventricle volume to body weight ratio as an index for ventricular hypertrophy (P<0.05), while no difference was found regarding the right ventricle to body weight ratio. It can be concluded that diabetes can induce structural changes, including loss and/or atrophy of the cardiomyocytes, accompanied with increase in the connective tissue in the rats" hearts.
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Colorectal Cancer Mortality in Shiraz, Iran
Dianatinasab, Mostafa,Ghaem, Haleh,Rezaianzadeh, Abbas,Hosseini, Seysd Vahid,Khazraei, Hajar Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.8
Background: Mortality among Iranian patients with colorectal cancer has not been fully examined and the factors associated with their survival are still controversial. This study aimed to determine the mortality rate and its related factors among the patients with colorectal cancer in southwestern regions in Iran. Materials and Methods: This prospective cohort study was conducted on 220 patients with colorectal cancer referred to Fahighi Hospital, Shiraz, Iran from 2009 to 2014. Data were collected from the patients' medical records and were analyzed using Cox regression analysis. Results: Over a median follow-up of 29.3 months, 56 out of the 220 patients (25.5%) died, 32 (14.5%) aged below 40 years, and 45.5% were female. Based on the results of multiple Cox regression analysis, family history of gastrointestinal cancer, stage III, former smoking, type of lesion (fungative and polypoid), and opium use were associated with a greater risk of colorectal cancer mortality (all P<0.05). Conclusions: This cohort study found that the mortality rate of colorectal cancer in Iran is lower than that in European countries. In addition, behavioral and clinical factors were significantly associated with the survival rate. Addressing the related factors would help healthcare providers and physicians provide the best care and improve the survival rate.
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Ghaem, Haleh,Amiri, Zahra,Kianpour, Fatemeh,Rezaianzadeh, Abbas,Hosseini, Seyed Vahid,Khazraei, Hajar Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.7
Background: The goal of this study was to compare the rate of recurrence and occurrence of complications in colorectal cancer patients after two kinds of laparoscopy and laparotomy. Materials and Methods: A follow-up study was carried out among 358 patients who suffered from colorectal cancer from 2012-2014. The data were gathered from colorectal research center in Shiraz, Shahid Faghihi hospital, and analyzed using the chi-square test, logistic regression, and multinomial regression. Results: The average age of these patients was $56.3{\pm}14.6$, 55.0% being men. Moreover, 57.8% of them underwent laparoscopy surgery and 42.2% of the patients underwent laparotomysurgery and the conversion rate was 58.0% which ultimately was put under the category of laparotomy surgery. After biennial median follow-up, differences in the occurrence of complications such as bleeding (hemorrhage), fever, intestine blockage and wound infection in these two kinds of surgery werestatistically significant (P<0.05). However, the rate of recurrence and the patients' ultimate status (alive without disease, alive with disease, and death) did not significantly differ between these two surgery groups. Conclusions: Post-operation complications were laparoscopy surgery were less than those in laparotomy. However, the outcomes such as patients' ultimate status and recurrence were similar between the two groups.
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