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Showing 9 results for Karimi

Mohammadali Karimi Aghdam , Mahmood Samadi, Shamsi Ghaffari , Fariba Mahmoodpoor,
Volume 8, Issue 2 (Summer 2008)

  Background & Objectives: There are several methods for PDA closure. This study compared results, complications and cost effectiveness of surgical and nonsurgical PDA closure with coil.

  Methods: Patients who admitted in Shahid Madani Hospital in 2005 surgical and nonsurgical closure of PDA were included in this study. Data were obtained from patients units. All cases followed up for six months. Data were analyzed thorough SPSS.

  Results: From 21 patients of nonsurgical method in two cases (9.5%), coil embolizations were occurred to pulmonary artery, that they were removed in cath lab and then refered to a surgery unit. One case (4.5%) has residual shunt at PDA, that who was waiting for second coil. In six month follow-up, PDA completely was closed in 18 (86%) patients and no complications were seen.

  In surgical method there were 42 patients. In six month follow-up, there were residual shunt in 2 (4.7%) cases and chylothorax in 1 (2.3%) patient, transient left diaphragmatic paresis in 2 (4.7%) and transient vocal cord paresis in 2 (4.7%) cases were seen.

  Mean at hospitalization and ICU, laboratory tests and radiographic examinations in nonsurgical method were significantly less than surgical method (P<0.0005). There was no significant difference in drug cost between two methods (P= 0.793). Mean cost of instruments and total hospital cost of the patients in nonsurgical method were significantly more than surgical method for high cost of coil (P<0.0005), but men payment of patients to the hospital in two groups did not have any significant difference (P= 0.056).

  Conclusion: In general, PDA closure through nonsurgical method had better and effective results and complications. However, it is more expensive.

Abbas Karimi , Morteza Jabbarpour Bonyadi, Mohsen Esmaeili, Saeid Dastgiri ,
Volume 12, Issue 3 (autumn 2012)

  Background and Objectives : Familial Mediterranean Fever, an autosomal recessive disorder, is the most common and well known periodical fevers syndrome. Disease is mainly prevalent among non-Ashkenazi Jews, Arabs, Turks and Armenia. According to the geographical location of North-West of Iran, neighboring with two high risk FMF population (Turkey and Armenia), the prevalence of FMF in this region of Iran is not unlikely. The aim of this study was to estimate the carriers rate of FMF common mutations in healthy control people. Results can be potentially useful to estimate prevalence of disease.

  Methods : Randomly 200 samples from healthy people [non-FMF] from North-West of Iran selected. After taking consent, DNA was extracted from blood samples of these groups. Then mutations were evaluated using ARMS-PCR and RFLP-PCR techniques.

  Results : from 400 studied alleles, 44 and 7 mutant alleles were found for E148Q and V726A respectively. For 2 other mutations, no mutant alleles were found. The total allelic frequency for these four common mutations was 0.132. The carriers rate was 23.4%.

  Conclusion : This study showed that E148Q has high mutation frequency relative to other mutations in North-West of Iran.

Narghes Roozafzay, Leila Kokabee, Syrous Zeinali, Morteza Karimipoor,
Volume 13, Issue 1 (spring 2013)

  Background & Objectives: Hemophilia A is an X-linked recessive bleeding disorder , which is caused by several different abnormalities in Factor 8 gene . Intron 22 inversion is the main causative mutation in 45-50% of severe hemophilia A patients. Moreover intron 1 inversion is responsible for >5% of severe hemophilia A cases . The goal of this study was to precisely analyse intron 1 inversion of Factor 8 gene in severe Hemophilia A patients who were negative for intron 22 inversion by Inverse Shifting-PCR (IS-PCR) method.

  Methods: In this experimental study, severe hemophilia A patients with less than 1% of normal FVIII activity level referred from Isfahan Seyedolshohada hospital were analyzed. After obtaining the consent from patients, genomic DNA from peripheral blood leukocytes was extracted. Then, Inverse-Shifting PCR method was exploited for detection of inversion of intron 1 of Factor 8 gene in patients who were negative for inversion intron 22 .

  Results : In 18 out of 32 patients who were negative for inversion intron 22, 2 (6.2%) had intron 1 inversion .

  Conclusion : The allele frequency of inversion of intron 1 at Factor 8 gene is in agreement with related studies. IS-PCR is a rapid, robust and cost effective method that can improve the molecular detection of inversion and is useful for analysis of hemophilia A patients, carrier testing and prenatal diagnosis.

Zahra Karimian, Zohreh Sadat, Masoumeh Abedzadeh, Nahid Sarafraz, Mahboobeh Kafaei Atrian, Nosrat Bahrami,
Volume 13, Issue 4 (Winter 2013)

  Background & Objectives: Regarding to high incidence of dysmenorrhea and influence on daily activities and fewer side effects of herbal medicines than chemical drugs, the aim of this study was to compare the effect of mefenamic acid and matricaria chamomilla (MC) on primary dysmenorrhea.

  Methods: This triple-blind randomized clinical trial study was done on 90 female students residents in dormitories of Kashan University of Medical Sciences in 2012. The subjects were categorized into two groups randomly. Mefenamic acid capsules (250 mg, every 8 hours) were given to the first group from 48 hours before menstruation until 24 hours after it. The second group received MC capsules made in Barij Essence Factory of Kashan (250 mg, every 8 hours). Severity of dysmenorrhea was measured by McGill ruler. Finally, the data were analyzed by SPSS. The chi-squire, fisher and paired t-test were used. The p-value of less than 0.05 was considered as statistically significant difference.

  Results: The result of this study indicated that both chamomilla and mefenamic acid can reduce the severity of pain and hemorrhage (p<0.05) but there was no significant difference between two groups (p>0.05).

  Conclusion: This study showed that matricaria chamomilla is effective in decreasing the severity of primary dysmenorrhea and reducing hemorrhage as well as mefenamic acid.

Mehdi Faramoushi, Ramin Amir Sasan , Sari Sarraf Vahid, Pouran Karimi,
Volume 16, Issue 1 (spring 2016)

Background & objectives: Type II diabetes is a metabolic disorder accompanied with insulin resistance of the whole body cells and is considered be the fifth cause of death in the world. Adaptation to altitude can lead to tolerance to many diseases. Therefore, the aim of this study was to determine the effect of simulated intermittent altitude on the metabolic and hematologic parameters and liver function in streptozotocin induced diabetic rats.

Methods: In the current experimental study, twenty four male Wistar rats weighing 220±20 gr were randomly divided into three groups; normal control group (NC, n=8), diabetic control group (D, n=8) received fat diet for 2 weeks then were injected with streptozotocin (37 mg/kg) and diabetic+hypoxia group (D+H, n=8) including diabetic rat exposed to chronic intermittent hypoxia (PiO2≈106 mm Hg, simulated altitude≈3400 m, 14% oxygen for 8 weeks). Diabetic, hematologic and lipid parameters as well as ALT and AST activities were measured in peripheral blood.

Results: Our findings showed that intermittent hypoxia significantly decreased serum total cholesterol, LDL ,VLDL and triglyceride in D+H group compared to D group (p<0.05). Serum levels of fasting blood glucose and homeostatic model assessment-insulin resistance )HOMA-IR( index and ALT were decreased in D+H group vs. D group )p<0.05). Also, hemoglubin and hematocrite level increased in D+H group in comparison to D group )p<0.05). No significant difference was detected in red blood cell count in D+H vs. D group.

Conclusion: Based on resultant data, it seems that intermittent exposure to hypoxia (simulated to chronic and intermittent lodgement in altitude) can be used to control of type 2 diabetes by increasing hemoglobin, decreasing insulin resistance and improving liver function as well as lipid parameters.

Tooba Karimizadeh Moneh, Ebrahim Hosseini,
Volume 16, Issue 3 (autumn 2016)

Background & objectives: Ritalin is one of the drugs used in the treatment of attention-deficit/hyperactivity disorder (ADHD). This study aimed to investigate the comparative effect of Ritalin with grape seed extract on passive avoidance learning in adult male rats.

Methods: In this experimental study, 40 adult male Wistar rats divided randomly into 5 groups of 8 rats including control, sham and three experimental groups. The control group received no treatment. The sham group received 1 ml of distilled water per day. At the same time the experimental groups received 100 mg/kg grape seed extract, 1 mg/kg Ritalin or 100 mg/kg grape seed extract together with 1 mg/kg of Ritalin by gavage for 28 days. For measuring the amount of avoidance learning, Shuttle box was used. Data analyzed by ANOVA and consistent Tukey's tests using SPSS-18 software and p>0.05 considered as significant.

Results: The results showed that Ritalin decreases the passive avoidance learning, while the grape seed extract alone or together with Ritalin increases passive avoidance learning.

Conclusion:  The outcome of this research shows that taking Ritalin leads to decreasing passive avoidance learning. However, the simultaneous taking Ritalin with grape seed extract inhibits the Ritalin effect and increasing the learning.

Bahador Karimi, Zohreh Ghotbeddin, Seyed Reza Fatemi Tabatabaei ,
Volume 16, Issue 4 (winter 2017)

Background & objectives: Zinc as one of the most important trace elements is needed for proper functioning of the nervous system and homeostasis. Many studies show that stress causes memory impairment through various mechanisms, including oxidative stress induction and some mechanisms which are directly effecting brain function. So, in this work we assessed the effect of zinc chloride on passive avoidance memory and oxidative stress following acute stress in male rats.

Methods: In this study, 50 male Wistar rats were used in five groups: control, sham, stress, zinc chloride treatment and zinc chloride treatment before stress induction. For stress induction, rats were restrained (not immobilized) for 6 h/day, 7 days in a Plexiglas restrainer, and treated rats received an oral dose of zinc chloride 32 mg/kg/day by gavage for 6 days. At the end of the experiment, passive avoidance memory was avaluated by shuttle box and some oxidative damage markers were determined in all groups.

Results: Results of this study showed that animals which were exposed to stress showed a significant decrease in passive avoidance memory compared to control group (p<0.01) and the oxidative stress parameters in this group showed significant changes compared to the control group (p<0.05). While passive avoidance memory and oxidative stress parameters in group treated with zinc chloride were nearly closed to control group.

Conclusion: According to our results, zinc chloride with antioxidant properties can have a protective effect on memory impairment and oxidative stress induced by stress.

Nasim Karimi, Sara Ramazanjamaat, Nafiseh Saeidzadeh, Ghodratollah Roshanaei, Parisa Parsa ,
Volume 16, Issue 4 (winter 2017)

Background & objectives: In many medical studies, the response variable is measured repeatedly over time to evaluate the treatment effect that is known as longitudinal study. The analysis method for this type of data is repeated measures ANOVA that uses only one correlation structure and the results are not valid with inappropriate correlation structure. To avoid this problem, a convenient alternative is mixed models. So, the aim of this study was to compare of mixed and repeated measurement models for examination of the Entonox effect on the labor pain.

Methods: This experimental study was designed to compare the effect of Entonox and oxygen inhalation on pain relief between two groups. Data were analyzed using repeated measurement and mixed models with different correlation structures. Selection and comparison of proper correlation structures performed using Akaike information criterion, Bayesian information criterion and restricted log-likelihood. Data were analyzed using SPSS-22.

Results: Results of our study showed that all variables containing analgesia methods, labor duration of the first and second stages, and time were significant in these tests. In mixed model, heterogeneous first-order autoregressive, first-order autoregressive, heterogeneous Toeplitz and unstructured correlation structures were recognized as the best structures. Also, all variables were significant in these structures. Unstructured variance covariance matrix was recognized as the worst structure and labor duration of the first and second stages was not significant in this structure.

Conclusions: This study showed that the Entonox inhalation has a significant effect on pain relief in primiparous and it is confirmed by all of the models.

Neda Karimi, Afshan Sharghi , Rohollah Baser, Shokofe Banaei, Emran Hajmohamadi,
Volume 19, Issue 3 (atumn 2019)

Background & objectives: Third molar impaction (wisdom tooth) is a widespread phenomenon. It is indeed very important to study the impacted teeth pattern in the community since it will help to develop an appropriate treatment plan for individuals of the community. The aim of this study was to investigate the impaction pattern of mandibular third molar in Ardabil population.
Methods: In this study, the panoramic radiography of 382 patients referred to the Ardabil Dental Clinic, ranging 18-40 years old that had a couple of third molar teeth were investigated. The radiographs were investigated to collect data corresponding to depth-of-impaction, the distance between the canal and inferior alveolar, number of roots, shape and connection between the roots as well as the damages to neighboring structure. The collected data were coded to be analyzed through Chi-square and t- test in SPSS software.
Results: Among the cases, 42.4% and 57.6% of the subjects were male and female respectively. There is no significant difference between men and women for number of roots and the connection between them, whereas noticeable differences between men and women were observed for depth of impaction, distance from Inferior alveolar canal, the shape of the roots and damage to neighboring structures.
Conclusion: The results suggest that most of the cases had vertical angulation, regarding depth of impaction, most of the teeth were categorized in Class-B, regarding distance from Inferior alveolar, and most of the cases were in the vicinity of the canal and had two separate canals. Regarding damage to neighboring structures, most of the cases were categorized as a radiographic bone loss

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مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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