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Introduction: Glucose Six Phosphate Dehydrogenase (G6PD) catalyses the first step in pantose phosphate pathway to produce NADPH. NADPH plays an important role in oxidation and reduction of hemoglobine and reduces H202 level. However, in absence of G6PD, NADPH also will be decreased, as a result of severe defect in function of red blood cells occurred. So we decided to survey is prevalence in our region by studying on the umbilical cord blood. Material and Methods: Our study were descriptive-analytic and samples were gathered by Simple Sampling Method. EDTA was used as an anticoagulant. Enzyme activity was measured with the method of Fluorescent spot Test (FST). Chi-Square and logestic regression were used to analyses the data and P<0.05 was considered as significant. Result: From a total of 2160 neonates, 1103 case (51.1%) were male and 1057 case (48.9%) were female. 3.5% of the males and 0.8% of females and over all 2.2% of the neonates were G6PD deficient. Due to chi-square analyses and logestic regression, positive RH increases the risk by 1.6 as compare to negative RH. However we could not find any significant relationship between blood groups and prevalence of G6PD. Conclusion: As our results showed, the G6PD deficiency is more common in male than female. Relation between positive RH and G6PD deficiency were significantly increased. Prevalence of G6PD in Arak City showed 2.2% which is lower than that of north our country (8.7%) as well as lower than other part of the world (10-14.9%). We suggest using the screening umbilical cord blood test on the neonates to diagnose the G6PD deficiency and to promote the primary health care quality and public as well as reduction the social and economical problem of the society.

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Introduction: The relation between Helicobacter pylori with iron deficiency is being studied in recent years. The aim of this study is finding the relation between Helicobacter pylori with the rate of hemoglobin and serum ferritin.
Material and Methods: This study is an observational study and a cross-sectional type which is done analytical-descriptive against 262 patients suffering from anemia and for each patient the amounts of Hemoglobin, MCV, serum ferritine and Helicobacter IgG titre is calculated and then the relation between these amounts and Helicobacter is evaluated.
Results: In 147 patients (56%), Helicobacter IgG antibody was negative. In 78 cases (29.8%) the serum ferritin was less than 120 µgr/dlit. Using statistical analysis (Logistic regression) revealed that there was a statistical relation between the amount of ferrittin and the chance of strickened with Helicobacter in individuals whom their ferrittin rate was less than 12, 1.93% of patients whom their ferrittin is more than 12 and the enhance is significant. By the way it was cleared that there is not any significant statistical relation between MCV reduction and the chance of being strickened with Helicobacter.
Conclusion: Serum ferrittine rate in patients with Helicobacter pilory infection reduced and this reduce was significance. Previous studies in other countries indicated to this issue.

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Introduction: Patient hospitalization rate (P.H.R) is an important issue in health decision making because its increasing can imposes abundant expenditure on each patient or therapeutic or health systems like assurance companies. Moreover, it can increase the danger of nosocomial infections. So, description, examinating and modelling of P.H.R. can be as a guideline for above subjects and as an introduction would lead one to study the issue with insight.
Materials and Methods: For determining of P.H.R., Iwo samples of size 1428 and 816 of patients were chosen systematic randomly from Vali-Asr and Ta'min-Ejtemai hospitals, respectively during the year of 2002. Hospitalization rate, age, sex, location of birth place and residence place of patients recorded. Mixed distributions modelling and Poisson regression models as well as ordinary regression methods were applied to analyze and modelling the data.
Results: Means of P.H.R of patients at Vali-Asr hospital was 4.1±5.4 days. Two component Poisson was a relatively appropriate model was a very relevant model for analyzing of their P.H.R. By using mixed Poisson regression method a significant relationship among patient's age, marriage status and location of life with P.H.R was obtained. Findings in Ta'min-Ejtemai showed that the mean of P.H.R was 4.7±3.2 days. One component Poisson model was appropriate model for data distribution. A significant relationship among age, sex, location of life with P.H.R in this hospital was seen.
Conclusion: Our findings showed that P.H.R in Vali-Asr hospital follows two component Poisson model. For Vali-Asr data, the normal model was not appropriate even with changing the statistics variables, but for P.H.R data of Ta'min-Ejtemai, changing the logarithmic variable could transform data into approximate of normal model. Finally, comparison between mixed distribution Poisson model and acquired regression with simple linear regression in Val-Asr hospital presented different results, but in Ta'min-Ejtemai hospital had similar results.

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Introduction: At present, bone graft is unavoidable. In fact although among the all probable bone grafts, the autograft is the best choice, but because of some situations like two coincidence surgery upon one individual, size limitation of autografts (its impossible to get a big piece of graft from patient) increasing the bloodshed contingency, infection etc, made specialist to think about the possible substitution the allograft.
Materials and Methods: Seventeen Newzealandian rabbits were divided into four groups. The graft generator group consisted of one rabbit which was genetically different from other groups. The sham group composed of three rabbits which round autografts about 4 mm in diameter from their tibia were exchanged between rights and left tibias. These grafts were not deantigenized and a 4 mm vacant hole was created to see if it will repair spontaneously within three months. The control group consisted of three rabbits received a round 4 mm tibial autografts which double deantigenization process were done over them. The test group composed of 10 rabbits, received corticocancellous (intramembranous) allografts in left tibia and corticocancellous (endocondral). Allograft in right tibia all grafts were bearing the double deantigenization process.
Results: The rate of prosperity for CCl grafts was 80% and for CCE grafts was 60%.In sham group, healing process was extremely fast (in eight weeks).
In control group, healing process was done slower until six weeks but after 12 weeks it was compensated. The vacant holes were not repaired even after three months. Statistically, there was a meaningless difference between the rates of prosperity in both groups of grafts.
Conclusion: According to statistical assays, although the prosperous numbers of CCl were more than CCE grafts but this difference was meaningless. In the basis of histological assessments if the velocity of healing process is important, the CCI grafts are recommended

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Introduction: Nearly, 6% of recently diagnosed cancer in the United States was upon to lymphoproliferate and leukemia and 9% of fatality in cancerous people was upon to these two illnesses. Using some simple, cheap and in-hand tests and special consideration to clinical inspections in suspected subjects provide a faster diagnostic and suitable treatment. It may ultimately promote the quality of life and decline the fatality among patients.
Materials and methods: This was a cross-sectional investigation which carried out during a 1.5 years in the form of forward direction. Forty-two lymphoproliferate (28 lymphoblast and 14 Hotchkin) and 21 acute lymphoblastic leukemia (10 acute lymphoblast leukemia and 11 miloid acute leukemia) subjects were evaluated. ESR, LDH and ALP levels were measured in all patients. In clinical examinations, oversizing of lymph nodes, spleen and liver were exactly considered.
Results: According to our results the best tests to rule in and rule out acute leukemia from lymphoprolifeatives were ESR and LDH, respectively. Additionally, The most sensitive and specific evaluations to rule out these two diseases were LDH and oversizing of liver inspection. It was also determined that LDH is the best screening test to rule out leukemia from lymphoproliferate.
Conclusion: Using of simple examinations such as ALP, LDH, ESR and more consideration to oversized spleen, liver and lymph nodes in each suspected patients, we could easily differentiate lymphoproliferate and acute leukemia from each other.

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Introduction: Acute  renal  failure (ARF)  is  one  of  the  relatively  incident  complications  in  surgical  emergency  wards  and  is  defined  as  increasing  serum urea  and  creatinine   and  decreasing  GRF. In  this  study  we  investigated  acute  renal  failure  incidence  in  patients  admitted  to  emergency  surgical  ward.
Materials  and  Methods: This  is  a  cross  sectional  analytical  study  in  which  all patients  with  primary  diagnosis  of  emergency  surgery  (traumatic  or  non traumatic) admitted  in  emergency  surgery  ward  were  selected. After  history  taking  and  physical  assessment  patients  having  history  of  kidney  disease  were  excluded. Urinalysis, BUN  and  creatinine  tests  were  performed  for  all  samples. Data  was  analyzed  by  SPSS  software.
Results: In  this  study  2100  patients  (1280  male)  were  assessed  during  a  10  month  period. 5.66%  of  samples  had  some  degree  of  ARF. 1136  patients  undergone surgery  due  to  accidents  and  trauma  (72%  multiple  trauma  and  28%  single  trauma) and  964  patients  due  to  nontraumatic  emergencies.  ARF  was  seen  in 6.84%  of  the  first  and  4.25%  of  the  second  group. ARF incidence  in  male  and  female  was  5.6%  and  5.7%  respectively.
 ‍Conclusion: The overall  incidence  of  ARF  in  this  study  was  not  so  different  from  developed  countries.   ARF  was  significantly  more  incident  in  traumatic (especially  multiple  trauma)  and  old  aged  patients.  This  factors  must  be  considered  as  ARF  risk  factors  in  emergency  wards.

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Introduction: Different groups of drugs are used for prevention of migraine headaches. Howevere, there are controversy about the afficacy of these drugs. Furtheremore, the priority of one to other group is not clear. This study was designed therefore, to compare the effects of Propranolol and Nimodipine on sevierity, duration and frequency of migraine headache.
Materials and Methods: In a clinical trial study, 102 patients with migraine headache refered to neurology clinic were chosen. Patients were devided into two drug groups. Group one received 40 mg Propranolol per day and group two received 30 mg Nimodipine. Data was collected by a questionnaire. Patients were asked to record the severity, duration and frequency of their migraine attacks. Data was analysed using t-test. p<0.05 was considered significant.
Results: The duration and severity of migraine attacks in Propranolol group were less compared to Nimodipine group (p<0.05). However, there was no statistical differences in the frequency of migraine of these two groups.
Conclusion: Propranolol seems to be more effective than Nimodipine in prevention of migraine headaches

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Introduction: Menopause is a natural period of life. It means the permanent cessation of menstruation and the end of reproductive period which occurs between 45-52 years old. It also serves as an indicator of population health as the occurrence of menopause indicates the increased risk for the onset of several chronic diseases. In this study, the mean age of natural menopause among women in Arak (Central Iran) was investigated, considering their reproductive and socio-economic-demographic factors and their health behaviors. Materials and Methods: This study was an observational cross-sectional study on a population base, carried out in 2007 year. Interviews and questionnaires were used for gathering data from 458 women resident in Arak city, who had undergone a natural menopause. Sampling was multistaged using postal zones and selecting samples in each zone. Data was analyzed using variance analysis, multiple regression, T and correlation coefficient tests. Results: Findings showed that the mean age of menopause in our sample was 48.2±2.34 years (95% CI: 47.98- 48.41) and its median was 49 years. The mean age of menopause in women who were never married was less than married women (P= 0.015). Low income level (P= 0.003), having physical activity (P= 0.004), number of pregnancies (P<0.001), age of last pregnancy (P=0.026) and place of birth (P=0.003) were meaningfull factors in age of menopause. Conclusion: This phenomenon must be documented in Iran because of its strong link with mortality and morbidity of the growing number of women who are reaching advanced ages whose one forth of life is after menopause. Therefore health education as the best way for changing their lifestyle is suggested.

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Introduction: In this study, antimutagenesis effect of ethanolic extract of propolis by Ames test against two mutagenic substances named azide sodium and potassium permanganate in the presence and the absence of microsomal homogenate of mouse liver (S9) has been investigated. Materials and Methods: In this experimental study at first, different concentrations of ethanolic extract of propolis (0.1-5%) for determining minimum inhibitory concentration (MIC) against tester strains were used. Then by Ames test, antimutagenesis effect was assessed in nontoxic extent. In this test, various strains of Salmonella typhymurium (TA100 and TA97) that contained selective mutation in their operon histidine, were used. Mutant strains (His-) were grown on culture media containing minimum salt and glucose in the presence of mutagen substances above. So only those bacteria that were reversed by mutation (His+) could grow and form colonies on culture media. If antimutagen (EEP) and mutagen substances were gathered, reversed mutation would be reduced and the rate of mutation inhibition could be calculated by means of formula. The differences between the averages of revertants per plate of the sample in relation to the mutagens were analyzed using SPSS software and one-way ANOVA. Results: The resulted MIC values clearly showed that ethanolic extract of propolis at 5% concentration has antibacterial activity against Salmonella typhymurium, but in 0.1-4% concentrations, such effects were not seen. Findings also showed that propolis in such concentrations could neutralize mutagenic effects of those substances in a dose dependent manner. Conclusion: Finally we found that ethanolic extract of propolis that contains different kinds of major and important substances like flavonoids, has good antimutagenic effects and the best concentration for obtaining such effect is in 4% which also was confirmed with microsomal results. The mechanism of antibacterial effect of propolis is complex and it has no analogy to any classic antibiotics, but it should be emphasized that bacterial cell division is inhibited by propolis. Some researchers also argue that propolis could inhibit DNA-dependent RNA polymerase.

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Introduction: Stirility is a problem throughout the world. Decreasing the growth and developmental rate of embryo and arresting in certain step of development like two cell block, could be the reason of infertility in some couples. Previous study show that arrest and retardation in embryo development can produced by low temperature exposure. We aimed to evaluate the effect of Ethanol on growth and development of mouse two-cell arrested embryo. Material and methods: The 4-6 week old female mice were coupled with male mice following superovulation and positive vaginal plaque mice were killed 48 hour after HCG injection by cervical dislocation method. Two cell embryo were collected in RPMI medium and divided and cultured (in M16 medium) in three groups. The 2nd and 3rd groups were exposed to 4°C for 24 hour in order to delay and arrest for cleavage and developmental rate. The 2nd group (2nd control) were incubated immediately, while the 3rd group (experiment) were exposed to % 0.1 Ethanole for 5 minutes and the 1st group (1st control) without any exposure to low temperature group were incubated . Results: The data analysis by one-way ANOWA show that the developmental rate of embryos exposed to low temperature (4°C) significantly decreased (P=0.001), retardation and arrest being produced. The mean of cleavage rate between groups were not significantly affected, but the mean percent of degenerated embryos between groups have significant differences (P=0.045). On the other hand the mean percent of morulla is significantly different between groups (P=0.005) similarly the mean percent of blastocyst and hatched blastocyst have significant differences between groups (P=0.014) (P=0.001) after 120 hr evaluation. Conclusion: Effect of %0.1 Ethyl-alchol on arrested two cell embryos can significantly increase the mean percent of morulla and development up to blastocyst and hatching blastocyst stage related to control group, without any significant effect on cleavage rate

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Background: Since of the importance of publishing medical articles in evaluation of faculty members’ activity and ranking of universities, this study was designed investigate faculty members’ opinion about intendancy in writing Persian and non Persian articles. Methods and Materials: This cross-sectional analytical study is carried out by census method. Data were gathered by a questionnaire which its validity and reliability were confirmed. Data was analyzed by ANOVA,T-test, Chi square and correlation coefficient. Results: The most important barriers in academic members' intendancy to articles were too busy in education or clinical treatment with the mean of 4.281.06, lack of experienced persons for writing non Persian articles as counselor with the mean of 3.981.00 , lack of research teams with the mean of 3.950.98, long time in proposal approval with the mean of 3.961.02, lack of journal editorial board supporting in accepting of descriptive articles with the mean of 3.951.02 and long time from receiving articles until their approval and publishing with the mean of 3.951.07. Conclusion: By decreasing education hours, shortening the process of proposal approval, introducing expert persons in writing non Persian articles as counselor, shortening the process of evaluating and publishing or rejecting articles can increase academic members’ tendency in writing articles.

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Abstract Background: Cartilaginous and movement diseases are the most prevalent problem in human. Various vitamins like A and C increase the process of regeneration and wound healing. In this research, the Alfalfa plant with scientific name Medicago sativa, that contains a lot amount of A, C, E and K vitamins, was used and effect of its extract on regeneration of pinna rabbit cartilage was studied. Materials and Methods: In this experimental laboratory study, 6 New Zealand male rabbits with 2.5-3 kg weight have been selected. After shaving hairs on ears with depilation cream, the ear were anesthetized by lidocaine 10% and 4 holes were punched with 4 mm diameter in medial situation of each ear. Test ears by extract of Medicago sativa and control ear were treated by normal saline every day. Holes era and the distance of two edges of cartilage were measured in various days of healing. Also, tissue sampling for microscopic observation by H&E color (day 0-50) was done. Results: Regeneration and healing of the treated holes with extract of Medicago sativa was faster than the control holes (p<0/004). Also, thickness of cartilage and cell density of chondrocytes and fibroblasts in the newly formed connective tissues in test were more than control. Conclusion: The extract of Medicago sativa because of A, C vitamins containing, probably increased the wound healing and regeneration of the rabbit ear cartilage and suggest the pharmacological usages.

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Abstract Background: Studies which related to effective factors on professors evaluation had a god improvement in academic department. Despite many researches in this area, most of the results have been unconvincing due to data heterogeneous. The aim of this study was to determind and analyze the scores of professors’ evaluation in Arak University of Medical Sciences base on some effective factors. Materials and Methods: This study was an analytical cross-sectional that was carried out on all Arak University of Medical Sciences academic members with census method, during 2001-2007. The scores of professors’ evaluation base on students’ viewepoint and others factors were used and analyzed in achieve of Education Development Center (EDC). Results: The scores mean of professors evaluation during this 6 years were various 15.03-16.45. Evaluation scores mean had significant difference. There were a V.S weak correlation between studens’ number and evaluation score mean. Conclusion: The results of professor evaluation by students were various during 6 years. It must be determine important variables such as class, effective factors on educational period, professors and time of education, and supplementary studies were done by considering these factors.

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Abstract Background: One advantage of a textbook is that you can refer back to the textbook for missed, misunderstood, or forgotten information. This does not apply to class lectures notes because heard things can forget quickly and thoroughly. The aim of this study was survey of student’s attitude about reasons of tendency to use lecture notes instead of textbooks. Materials and Methods: This is an analytical cross-sectional study. Sample size was 213 students with different academic fields and terms. Data to students’ tendency to lecture notes were collected and analyzed by valid questionnaire. Results: Most important factors in students’ opinion were, textbook contain is more than lecture notes, society’s tendency to academic degree, inattention to literacy and awareness levels and lack of sufficient proficiency on English language. Conclusion: Tendency to usage of lecture notes is one of basic reasons of students’ stagnation and ultimately, leads to lose of their research morale and motivation

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Background: Aspirin (ASA) and helicobacter pylori infection are two major known risk factors for peptic-ulcer. This research aims to examine the interaction between helicobacter pylori and low dose ASA in inducing gastro-intestinal complications. Materials and Methods: The target group consisted of patients with cardiovascular disease who were under low dose ASA therapy. Patients, who had symptoms of dyspepsia, were placed in the case group and those who did not have these symptoms were placed in the control group. 5cc blood samples, required for conducting ELISA Ab., were taken simultaneously in both of the groups. ELISA positive patients underwent UBT test. UBT positive patients were categorized as helicobacter pylori positive and those with negative UBT were placed in the helicobacter pylori negative group. Finally, the ratio of dyspepsia incidence probability to Aspirin usage and helicobacter pylori infection was analyzed. Results: Of the 129 individuals present in the control group and 71 individuals who were in the case group, 72(36%) were UBT positive, and the rest were UBT negative. Of all the patients, 35.5% had dyspepsia and there was a significant difference between UBT positive and UBT negative individuals (p=0.001, OR=6.54). of 43 patients who had signs of intensified dyspepsia 23 persons under went endoscopy assessment which 20 of them were diagnosed with peptic ulcer. Eighty percent of the patients who had developed peptic ulcer, were UBT positive which revealed a significant difference with UBT negative (p=0.001, OR=8.86). Conclusion: In order to reduce gastro-intestinal complications, it is suggested that long term low dose Aspirin takers be subjected for screening and to receive treatment in terms of infection with helicobacter pylori and clinical manifestations.

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Background: Job satisfaction is regarded as an individual's opinion of his or her job. Noticing the key role of hospital personnel in giving health services to patients, this study was designed to determine job satisfaction of hospital personnel in Arak. Materials and Methods: This cross-sectional study was carried out on 702 hospital personnel through simple sampling method. The means of gathering data were demographic and Herzberg's job satisfaction questionnaires. Job satisfaction was categorized in three levels. Results: Results in eight domains showed that most personnel's satisfaction of job environment (%75.2), relationship with co-workers (%49), salary and benefits(%75.1), job position(%60.5), job security (%64.6), supervision(%64),management policy(%59.2)and personal life relations (%65.7)were at average levels. Overall, %82.2 of the personnel had an average satisfaction with their jobs. The greatest level of satisfaction was with relationship with co-workers and the lowest level of satisfaction was related to job difficulty benefits, establishment of justice and fairness, discrimination and lack of facilities. X2 statistical test revealed significant differences amolay sex, level of education, type of employment, type of job and work shift. Conclusion: Overall, Job satisfaction in this study was at an average level. Increasing salaries, job difficulty benefits, on time payment and providing welfare facilities are essential for the improvement of job satisfaction in this group.

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Background: Studies in different species indicate that a variety of different inhibitors may influence myometrium during pregnancy and withdrawal of one or more of them leads to the onset of labor pain. Hence, this study was done to investigate the association between parathyroid hormone-related peptide1-34 (PTH-rp1-34) and labor pain. Materials and Methods: This study was a case-control one. Plasma PTH-rp1-34, PTH, total calcium, phosphorous, magnesium, and alkaline phosphatase concentrations were quantified for 152 normal pregnant women at term (76 women at the onset of labor pain, as the case group and 76 women without labor pain, as the control group). The subjects had no pregnancy related complications. Results: The mean of plasma PTHrp concentrations in the group with labor pain (12.36±0.60 ng/ml) did not differ from that in the group without labor pain (13.57±0.63 ng/ml). The means of plasma PTHrp concentration amounts in the group with labor pain and the group without labor pain were 28.92±1.66 pg/ml and 31.88±1.64 pg/ml, respectively and there was no significant difference between the two groups. There were no significant difference in plasma calcium, phosphorus, magnesium, and alkaline phosphatase concentrations in the two groups too. Conclusion: In this study, the endocrinal role of PTHrp and the onset of labor pain was not confirmed.