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PubMed2006

Molecular analysis and phylogenetic characterization of HIV in Iran.

The rate of human immunodeficiency virus type 1 (HIV-1) infection in Iran has increased dramatically in the last few years. While the earliest cases were found in hemophiliacs, intravenous drug users are now fueling the outbreak. In this study, both the 122 clones of HIV-1 gag p17 and the 131 clones of env V1-V5 region were obtained from 61 HIV-1 seropositives belonging to these two groups in Iran. HIV-1 subtyping and phylogenetic analysis was done by heteroduplex mobility assays (HMA) and multiple clone sequencing. The result indicated all hemophiliacs are infected with HIV-1 subtype B and all intravenous drug users are infected with HIV-1 subtype A. Since intravenous drug abuse is the major transmission route in Iran, HIV-1 subtype A is likely to be the dominant viral subtype circulating in the country. The analysis of genetic distances showed subtype B viruses in Iran to be twice as heterogeneous as the subtype A viruses. In conclusion, this first molecular study of HIV-1 genotypes in Iran suggests two parallel outbreaks in distinct high-risk populations and may offer clues to the origin and spread of infection in Iran.

Amino Acid Sequence↗

PubMed2001

Esophageal cancer in Iran.

Esophageal cancer is among the 10 most frequent cancers in the world. Iran is one of the known areas with a high incidence of esophageal cancer. Most of the patients in Iran have been reported from the north and northeast regions of the country. In one survey by the Iran Cancer Institute, 9% of all cancers and 27% of gastrointestinal cancers were esophageal carcinoma. The male to female ratio was 1.7/1. The distal portion of the esophagus is involved more often than other parts. Consumption of wheat flour, exposure to residues from opium pipes, drinking hot tea, and chewing nass (a mixture of tobacco, lime, ash, and other ingredients) are the suspect etiologic agents for esophageal cancer in Iran. Dysphagia, weight loss, anorexia, abdominal pain, and odynophagia are the common symptoms and signs of Iranian patients with esophageal cancer. For clinical staging, chest computed tomographic scanning is performed. Adenocarcinoma of the esophagus is not as common in Iran as in western countries. Public education, nutritional support, and eradication of opium addiction may decrease the morbidity and mortality that result from esophageal cancer. Surgery has traditionally been the mainstay of esophageal cancer treatment in Iran. Radiotherapy is mainly used postoperatively. The usual combination chemotherapy regimen is cisplatin plus flurouracil (5-Fu). Semin Oncol 28:153-157.

Developing Countries↗

PubMed2002

Beta-thalassemia intermedia from southern Iran: IVS-II-1 (G-->A) is the prevalent thalassemia intermedia allele.

The preliminary results of a pilot study are reported, intended as an initiation of a research plan, focused on the prevention of beta-thalassemia in Iran. The aims of this study are: (i) to improve the knowledge of the molecular background of beta-thalassemia intermedia in Southern Iran; (ii) to verify the role of the -158 (G)gamma (C-->T) (Xmn I) polymorphism as a modulating factor in thalassemia intermedia; (iii) to test the validity of the multiplex and single mutation specific amplification refractory mutation system in analyzing the molecular defects causing beta-thalassemia in multiethnic populations; and (iv) to develop suitable strategies for the application of prevention protocols in Iran. To accomplish the task we have selected 87 beta-thalassemia intermedia patients and adapted the DNA methodology to detect the following 11 frequent mutations in Iran: codon 5 (-CT); frameshift codons (FSC) 8/9 (+G); codon 30 (G-->C); IVS-I-1 (G-->A); IVS-I-5 (G-->C); IVS-I-6 (T-->C); IVS-I-110 (G-->A); codons 36/37 (-T); codon 44 (-C); IVS-II-1 (G-->A); IVS-II-745 (C-->G). Because of the multiethnicity of the population we have also included the Indian IVS-I (25 bp deletion) and the Mediterranean IVS-I-130 (G-->C) and codon 39 (C-->T) mutations. Forty-eight patients were randomly studied for the Xmn I polymorphism together with 50 healthy volunteers as a control group. The molecular analysis conducted in Iran, identified only 31% of the alleles that were presumed to be thalassemic, revealing either a strategic or a technical insufficiency of the chosen method. However, the mutations with the highest prevalence in the country (IVS-II-1, IVS-I-110, IVS-I-1 and FSC 8/9) were found. As expected the IVS-II-1 defect, being the most frequent in south Iran, was present at the highest rate (24%). The Xmn I polymorphism was found in association with this prevalent mutation and was detected in the homozygous state in 87.5% of the patients homozygous for the IVS-II-1 (G-->A) mutation. The overall positivity for Xmn I was found in 40.6% of the thalassemic alleles vs. 14% in the non-thalassemic, confirming the hypothesis of an older event, antecedent to the IVS-II-1 mutation. In trying to assess a more suitable molecular detection method we intend to continue this study in collaboration with the European centers involved, applying more effective technologies and better defining the molecular spectrum of beta-thalassemia in the sub-populations. We also intend to verify the effect of alpha-thalassemia in the genotype/phenotype correlation of beta-thalassemia intermedia.

Case-Control Studies↗

PubMed1975

Prostatic tumors in Iran.

1. Among all tissue examinations, 8.6% were on male urogenital organs, of which 2.9% were for carcinoma of the prostate. Biopsies of the prostate comprised a large percentage of all male urogenital biopsies. Since the specimens examined by various pathological laboratories in Tehran were received from all over the country, comparison of these statistics is significant. 2. Male urogenital tumors comprised 6.7% of male biopsies, of which 2.7% were for tumors of the prostate. 3. Male urogenital cancers comprised 2.3% of biopsies examined, of which only four were prostatic carconomas. Carcinoma of the prostate was the rarest cancer of the male urogenital organs in Iran. 4. We found 933 cases of cancer of male urogenital organs in 31 years. This comprised 6% of all male cancers, of which only 0.33% were carcinoma of the prostate. 5. Bladder carcinomas were the commonest and prostate carcinomas the rarest among males. 6. We found that 97% of prostate tumors were benign and 3% were malignant. Prostatic carcinoma was four times more prevalent among high income patients than among low income patients. 7. Benign tumors were most common in the 40 to 70 age groups, whereas the peak incidence for carcinoma of this organ was 50 to 70 years of age. 8. No particular clinical symptoms were found. Most patients reported pollakiuria, dysuria or urinary retention. 9. The initial growth site of tumors in the few cases that we were able to study was in the cortex region, especially from the posterior lobe. 10. Histological types of tumor found did not differ from other figures reported. We found no sarcomas. 11. No systematic study of asymptomatic nodules of carcinoma of the prostate has been made and we have never found any signs of such solitary nodules. This may be due to the low average age and the rarity of malignancy of the prostate in Iran. 12. The frequency of death in Iran due to carcinoma of the prostate is impossible to state since death certificates, in the majority of cases, specify secondary symptoms of the disease and not the original disease. 13. The incidence of prostatic carcinoma in the provice of Fars was five times greater and in Isfahan four times greater than in the province of Tehran. However, the figures for Tehran were compiled over the last 31 years, whereas the figures for Isfahan and Shiraz are only for the last ten years, and comparison of these three sets of figures may not be accurate. 14. Carcinoma of the prostate is not as common in Iran as it is in Europe and America. It is rather rare in Iran and compares favorably with figures for the Near Eastern and Far Eastern countries. The Middle Eastern countries of Lebanon, Israel and Afghanistan are very similar in incidence to Iran. In other countries in our region, the incidence is 1.8%.

Adult↗

PubMed2004

Molecular epidemiology of hepatitis C virus in Iran as reflected by phylogenetic analysis of the NS5B region.

Hepatitis C virus (HCV) subtypes were determined in 125 Iranian patients by phylogenetic analysis within the NS5B or 5'-UTR/core regions. Subtypes 1a and 3a were predominant accounting for 47 and 36%, whereas 1b and 4 accounted for 8 and 7%. This subtype distribution differs from that of Turkey and Pakistan, where subtypes 1b and 3a dominate and also from neighbouring Arabic countries where subtype 4 is the prevalent genotype. The Iranian 1a and 3a strains formed subclusters in the dendrogram indicating that these subtypes are indigenous to Iran. In contrast, the 1b strains intermixed with strains derived worldwide. Subtype 1a was frequent in South Iran (70%), while 3a was more prevalent in North-West Iran (83%), a region with a high proportion of Turkish inhabitants. Patients infected by blood products had more frequently subtype 1a (57%), while younger drug users had more frequently subtype 3a (54%). Genotype 4 was over-represented among haemodialysis patients in Tehran. One strain, most similar to genotype 5, was highly divergent in the NS5B region and further analysis is needed to assess the systematic status of this strain. In half of the patients with unknown source of infection only the 5'-UTR could be amplified, most of which were from North-West Iran and from patients younger than those with unknown source of infection with typable strains, mean age 29 versus 43 years. In conclusion, the NS5B sequence data revealed population based subtype patterns in Iran, the further study of which may help to understand the molecular epidemiology of HCV in a low-endemic area.

5' Untranslated Regions↗

PubMed2005

Incidence and age distribution of colorectal cancer in Iran: results of a population-based cancer registry.

Epidemiologic patterns of colorectal cancer (CRC) in Iran have not been studied adequately. In a recent cancer registry and active cancer surveillance, we collected data on the incidence of colorectal tumors in five provinces of Iran from 1996 to 2000. In total, 2055 were registered in this study. Age-adjusted rates of CRC in Iranian males and females were 8.2 and 7.0/100,000, respectively. Seventeen percent of the cases were younger than 40 years of age at the time of diagnosis. This proportion was similar to proportions seen in many other Middle-Eastern countries, but much higher than those seen in Western countries. A comparison of age-specific rates between Iran and the US showed similar rates in young (<40 years) Iranians and Americans, but much lower rates in older (>/=40) Iranians. We conclude that Iran is still a country with low-risk of CRC, particularly for older individuals. The high proportions of young CRC cases seen in Iran, and probably many neighboring countries, are due to the young age-structure of these countries and relatively low rates of CRC in older individuals.

Adenocarcinoma↗

PubMed2005

Frequency of isolation and antimicrobial susceptibility of bacteria isolated from bloodstream infections at Children's Medical Center, Tehran, Iran, 1996-2000.

Antimicrobial susceptibility patterns of major bloodstream pathogens from Iran provide essential information regarding the selection of antibiotic therapy for patients with bloodstream infections (BSIs) living in Iran. Unfortunately, data regarding the isolation frequency and antimicrobial susceptibility patterns of endemic BSI pathogens are scarce in Iran. To shed some light on the susceptibility patterns of BSI pathogens endemic to Tehran, Iran, we investigated the antimicrobial susceptibility patterns of 2248 bloodstream isolates from patients in Children's Medical Center (CMC) Hospital in Tehran between January 1996 and December 2000. Microbiology reports of 24600 blood specimens collected from inpatients in CMC Hospital were retrospectively reviewed. Specimen culture, bacterial identification and disk diffusion susceptibility testing were performed according to National Committee for Clinical Laboratory Standards guidelines. Overall, Gram-positive bacteria comprised 72% (1627/2248) of recovered isolates and Gram-negative bacteria comprised 28% (621/2248). Coagulase-negative staphylococci (CoNS) comprised 48.4% of all isolates, followed by Staphylococcus aureus (16.7%) and Klebsiella spp. (8.5%). Among the 621 Gram-negative organisms, Klebsiella spp. (31%) were the most frequently isolated, followed by Escherichia coli (21%) and Pseudomonas aeruginosa (17%). The rates of oxacillin resistance for S. aureus and CoNS isolates were similar (60% versus 61%); however, the rate of S. aureus vancomycin resistance was almost twice that of CoNS resistance (21% versus 11%). Over 55% of S. pneumoniae were resistant to penicillin and co-trimoxazole. Although all isolates of enterococci were susceptible to vancomycin, only 21% were susceptible to gentamicin. Among Gram-negative isolates, amikacin was shown to be very effective, with susceptibility rates of 84%. The susceptibility of Klebsiella spp. to ampicillin and co-trimoxazole was 1% and 39%, respectively. The susceptibility of Klebsiella spp., E. coli and Enterobacter spp. to ceftriaxone was 47%, 86% and 67%, respectively. There were notable differences in the order of the five most common organisms isolated from blood cultures, which can help set priorities for focused control efforts. Our findings highlight the importance of a nationwide surveillance programme to monitor the trends in isolation frequency of bacteria and their antimicrobial resistance patterns throughout Iran.

Bacteremia↗

PubMed2004

Road-traffic-related mortality in Iran: a descriptive study.

Road traffic accidents are considered to be the second highest cause of mortality in Iran. A study was conducted to describe road-traffic-related mortality data in Iran in a given period. All Iranian mortality data on road traffic accidents between March 1999 and 2000 (one complete Iranian calendar year) were obtained. The main variables studied were deceased's gender, age, education level, status (i.e. driver, car occupant, etc.), cause and place of death. A total of 15?482 individuals died from road traffic accidents in Iran in the study period. A disproportionate number of deceased individuals were male (79%), mostly aged 40 years or less (65%), and who were pedestrians or car occupants (62%). Head injury was the most common cause of road-traffic-related mortality (66%) in males and females of all ages. Following road traffic accidents, 57% of deaths occurred pre-hospital. Head injury is the most common single cause of mortality attributable to road traffic accidents in Iran, and since most deaths occur pre-hospital, it seems many are preventable. To overcome this major public health problem, there is an urgent need to develop a comprehensive injury control policy and strategy in Iran.

Accidents, Traffic↗

PubMed2006

Risk factors for goiter in primary school girls in Qom city of Iran.

OBJECTIVE: Goiter is endemic in Iran. The iodine deficiency disorders program was begun a few years ago in Iran, and the coverage of iodized salt is sufficient now. But, in a periodic yearly medical examination of primary school girls in Qom, the prevalence of goiter was above 30% in 2002. This survey was designed to study the risk factors of goiter in those students. DESIGN: The study was a randomized (multistage, proportional simple random sampling) case-control study. SUBJECTS AND INTERVENTIONS: We selected and performed thyroid examinations in 1050 girl students in primary schools in Qom city of Iran in 2002. We found 284 cases: girls in primary schools had goiter in accordance with the clinical exam of World Health Organization classification. Among students who did not present with goiter in the clinical exam, we randomly selected 288 students as the control group. We used a questionnaire to evaluate them for the risk factors of goiter. RESULTS: The mean+/-s.d. ages of cases and controls were 8.7+/-1.3 and 8.9+/-1.3 years, respectively. There is no significant difference between the two groups regarding history of soya, kale, turnip, fish, daily iodized salt usage, education and job of mothers, monthly family income, nationality, immigration and residential situation. By using multinomial logistic regression, we found that storage of iodized salt in open containers, odds ratio (OR): 2.201 (1.412-3.428); P-value <0.0001, medium socioeconomic situation (SES) of family, OR: 2.099 (1.029-4.282), P-value=0.041, district 2 of Qom city, OR: 2.880 (1.376-6.027), P-value=0.005, and district 3 of Qom city, OR: 2.051(1.032-4.078), P-value=0.041, were the major risk factors for goiter in this population. CONCLUSIONS: In this study, the main risk factors for goiter were storage of iodized salt in open containers, medium SES and also living in specific districts of Qom city. As the coverage of iodinized salt is over 95% in Iran, we advise the education of the family about storage of iodized salt in closed containers. We also recommend the study of the other risk factors of goiter in the different geographical areas of Iran, because of differences in the SES and nutritional habits. SPONSORSHIP: This study was supported by issuing permission letters for our activities: (not funding support) Qom Health Network and Medical Services, Qom Medical University, Qom Primary School Education Office, Fathemieh Medical University.

Case-Control Studies↗

PubMed2006

Prevalence of multiple sclerosis in Isfahan, Iran.

BACKGROUND: The prevalence of multiple sclerosis (MS) shows considerable variability all over the world. According to Kurtzke, Iran is considered to have a low prevalence. OBJECTIVE: To estimate the period prevalence and risk factors of MS in Isfahan, central part of Iran. METHODS: A cross-sectional case register study conducted between 2004 and 2005. In the province of Isfahan, Iran, all patients known to have definite MS during 2004 and 2005, being alive and resident within Isfahan as well as being a member of the Isfahan MS Association were included in the study. Demographic and case-related information was recorded. 1,391 definite MS patients (308 men and 1,083 women) from the Isfahan MS Association, Iran, have been identified. The disease was confirmed using clinical information and MRI findings by a neurologist and radiologist. The patients were evaluated by interview and a questionnaire. Population data were obtained from the year 1999 Iran Census. The mean (SD) age of the participants was 32.5 (9.3) years with a mean (SD) duration of the disease of 6.4 (5.1) years for men and 6.9 (5.3) years for women. RESULTS: The period prevalence of MS was 35.5 per 100,000 [95% confidence interval (CI) 33.6-37.3] in a population of 3,923,255, with a higher rate in women than men [54.5 (95% CI: 51.1-57.8) for women and 14.9 (95% CI: 13.3-16.6) for men]. The female/male ratio was 3.6 (95% CI: 3.2-4.1). The direct age-adjusted period prevalence was 59.5 per 100,000 (95% CI: 44.8-75.2) for women and 17.0 per 100,000 (95% CI: 8.9-25.1) for men. MS rates were highest among 30- to 39-year-olds and decreased with increasing age. Sensory and visual disturbances were the most common initial presentations with a prevalence of 51.1% (95% CI: 48.4-53.7) and 47.0% (95% CI: 44.4-49.7), respectively. CONCLUSION: Isfahan could be considered as an area with a medium to high risk of MS. This is in sharp contrast with the gradient hypothesis.

Adolescent↗

PubMedDate not supplied

Cancer occurrence in Iran in 2002, an international perspective.

For almost 30 years no population-based cancer statistics have been available with which to estimate the cancer burden in Iran. In 2002 and 2003 two separate reports of population based cancer registries were published from Iran and the cancer incidence rates from these sources have permitted informed estimates of cancer incidence and mortality to be prepared. They suggest that more than 51,000 cases of cancer are diagnosed and 35,000 deaths due to cancer occur each year. The 5 most common cancers in males (by ASR) are stomach (26.1 per 10(5)), esophagus (17.6 ), colon-rectum (8.3), bladder (8.0) and leukemia (4.8), and in females are breast (17.1), esophagus (14.4), stomach (11.1), colon-rectum (6.5) and cervix uteri (4.5). The incidence rates of esophageal and stomach cancer in Iran are high, well above the world average, while the incidence of lung cancer is very low. Breast cancer, although the most common cancer of females in Iran, has rates that are low by world standards, especially those observed in Europe and USA. Similarly, the incidence of cervix cancer in Iran is very low, even lower than such low risk countries as China, Kuwait and Spain. Comparing these rates with the data of 30 years ago, the incidence of esophageal cancer has decreased dramatically, but gastric cancer has increased about two fold.

Adolescent↗

PubMedDate not supplied

Comparison of cancer incidence in Iran and Iranian immigrants to British Columbia, Canada.

Migrant studies provided strong evidence about the role of environment and life style in cancer risk. Iran has experienced many immigrants to other countries with different cultures and environment. This study compares cancer incidence rates in Iran, Iranian immigrants to British Columbia (BC), Canada, and the BC general population. Cancer incidence rates were computed from two population-based cancer registries in Iran and from the BC cancer registry. A listing of common Iranian surnames and given names was produced to identify Iranian immigrants within the BC cancer registry. Age-standardized rates (ASRs) were calculated using mid year census data. The overall cancer incidence rate for Iranian female immigrants was intermediate between rates for Iran and the BC general population, and the rate for Iranian male immigrants was lower as compared to the other population groups. For female Iranian immigrants, the incidence of breast cancer was increased four-fold, and for colorectal cancer two-fold, as compared to Iranian rates. A dramatic decrease was found in the incidence of both stomach and oesophageal cancers for Iranian immigrants of both sexes. For male Iranian immigrants, the incidence of prostate cancer was increased as compared to Iranian rates. Differences in incidence rates of specific cancers were observed between BC Iranian immigrants and Iran, with cancer patterns in Iranian immigrants being more similar to the BC general population. This warrants further investigation into differences in lifestyle and cancer detection.

Adolescent↗

PubMed1996

Overweight and obesity in adults aged 20-74 in southern Iran.

OBJECTIVE: There is paucity of data on actual weight patterns among Iranians. It was the purpose of this study to provide estimates of prevalence of overweight and obesity among adult population aged 20-74 in southern Iran. DESIGN AND METHODS: In a cross-sectional study during January 1993 to September 1994, anthropometric measurements, including height and weight, were obtained in a randomly selected sample population (n = 3378), aged 20-74 years, and permanently resident of the southern province of Fars in Iran. Body mass index (BMI) (kg/m2) was calculated for each individual, and the results were categorized for each sex by age groups of 5 years. RESULTS: The mean body mass index was 22.8 +/- 4.6 (+/- SD) for mean and 23.6 +/- 6.6 (+/- SD) for women. Men had their highest BMI in their late forties and women did so in their early fifties. Twenty-five percent of men and 30% of women were overweight (BMI = 25-30). Eight percent of women and 2.5% of men were obese (BMI > 30). CONCLUSIONS: Contrary to the commonly-held belief that overweight and obesity are generally uncommon in Iran, this study revealed that both are prevalent in the adult population of southern Iran and both are more frequent among women than men. The frequency for either overweight or obesity in Iran is expected to increase further as life becomes increasingly sedentary unless early intervention by promotion of healthy life styles and provision of nutritional information to the public is implemented.

Adult↗

PubMed1976

[General survey of the present distribution of helminths in Iran and comparison with those of past years].

In this paper the literature on helminthiasis in Iran is reviewed and the distribution, prevalence and intensity of infections caused by helminths are discussed. A comparison of prevalence and intensity of infections was accomplished in the recent 10 years by the author. Hookworm infections are found mostly in the north along the Caspian sea, but its prevalence is declining. Trichostrongylus are found in Iran with a high prevalence in central country. Schistosoma haematobium is found in one Province in the south, but its prevalence is declining because of large scale control activities. The Guinea worm rarely occurs in Iran. The prevalence of Fasciola hepatica is high among livestock and is occasionally found in man. Taenia saginata is found in most parts of Iran. Taenia solium is seldom found in animals with a prevalence of 0.03%. Trichinella spiralis is infrequently found in animals. Dioctophyma renale is found in straying dogs in the north or Iran, the percentage is 13-35%. Oxyuriasis is widespread among children.

Ancylostomiasis↗

PubMed2002

Modern forensic medicine and the medico-legal system in Iran.

The history of forensic medicine as it is practised today in Iran is described. Modern forensic medicine was not introduced into Iran until the 1850s. At present, there are two organizations in Iran involved in the forensic medicine field: 1) the Universities of Medical Sciences, 2) the Legal Medicine Organization (L.M.O.), and its Medico-Legal Centres (M.L.Cs) in the provinces and cities. These organizations are closely related to each other. The L.M.O. is an official body of the Judiciary, which is situated in Tehran. The L.M.O. and the M.L.Cs are responsible for providing expert witness reports on technical and scientific subjects related to forensic sciences when required by the courts, Judges and the administration. Forensic medicine specialization is achieved after a 3-year full training residency. In Iran, medico-legal autopsies are performed for the investigation of suspicious deaths and crimes. Death investigation in Iran is described.

Journal Article↗

PubMed2006

Profiles of risk: a qualitative study of injecting drug users in Tehran, Iran.

BACKGROUND: In Iran, there are an estimated 200,000 injecting drug users (IDUs). Injecting drug use is a relatively new phenomenon for this country, where opium smoking was the predominant form of drug use for hundreds of years. As in many countries experiencing a rise in injecting drug use, HIV/AIDS in Iran is associated with the injection of drugs, accounting for transmission of more than two-thirds of HIV infections. This study aimed to: describe the range of characteristics of IDUs in Tehran, Iran's capital city; 2) examine the injecting-related HIV risk behaviors of IDUs, and 3) suggest necessary interventions to prevent HIV transmission among IDUs and their families and sex partners. METHODS: Using rapid assessment and response methods with a qualitative focus, six districts of Tehran were selected for study. A total of 81 key informants from different sectors and 154 IDUs were selected by purposeful, opportunistic and snowball sampling, then interviewed. Ethnographic observations were done for mapping and studying injecting-related HIV risk settings and behaviors. Modified content analysis methods were used to analyze the data and extract typologies of injecting drug users in Tehran. RESULTS: Evidence of injecting drug use and drug-related harm was found in 5 of 6 study districts. Several profiles of IDUs were identified: depending on their socioeconomic status and degree of stability, IDUs employed different injecting behaviors and syringe hygiene practices. The prevalence of sharing injection instruments ranged from 30-100%. Varied magnitudes of risk were evident among the identified IDU typologies in terms of syringe disinfection methods, level of HIV awareness, and personal hygiene exhibited. At the time of research, there were no active HIV prevention programs in existence in Tehran. CONCLUSION: The recent rise of heroin injection in Iran is strongly associated with HIV risk. Sharing injection instruments is a common and complex behavior among Iranian IDUs. For each profile of IDU we identified, diverse and targeted interventions for decreasing sharing behavior and/or its harms are suggested. Some notable efforts to reduce the harm of injecting drug use in Iran have recently been accomplished, but further policies and action-oriented research for identification of effective preventive interventions are urgently needed.

Journal Article↗

PubMed2005

Socioeconomic inequality in infant mortality in Iran and across its provinces.

OBJECTIVE: To measure the socioeconomic inequality in infant mortality in Iran (the Islamic Republic of Iran). METHODS: We analysed data from the provincially representative Demographic and Health Survey, which was done in Iran in 2000. We used a dichotomous hierarchical ordered probit model to develop an indicator of socioeconomic status of households. We assessed the inequality in infant mortality by using the odds ratio of infant mortality between the lowest and highest socioeconomic quintiles at both the provincial and national levels, and the concentration index, an inequality measure based on the entire socioeconomic distribution. RESULTS: We found a decreasing trend in the infant mortality rate in relation to socioeconomic quintiles. The poorest to richest odds ratio was 2.34 (95% CI = 1.78-3.09). The concentration index of infant mortality in Iran was -0.1789 (95% CI = -0.2193--0.1386). Furthermore, the inequality of infant mortality between the lowest and highest quintiles was significant and favoured the better-off in most of the provinces. However, this inequality varied between provinces. CONCLUSION: Socioeconomic inequality in infant mortality favours the better-off in the country as a whole and in most of its provinces, but the degree of this inequality varies between the provinces. As well as its national average, it is important to consider the provincial distribution of this indicator of population health.

Health Surveys↗

PubMed2006

Prevalence of social phobia and its comorbidity with psychiatric disorders in Iran.

This study explored the prevalence of social phobia (SP) in the general population of Iran, the sociodemographic characteristics of subjects with SP, and its comorbidity with the other lifetime psychiatric disorders. Our study was part of the nationwide study on the prevalence of psychiatric disorders in Iran. Overall, 25,180 Iranian subjects, age 18 years and over, from urban and rural areas of Iran were selected by a clustered random sampling method and interviewed face-to-face by 250 trained clinical psychologists using DSM-IV diagnostic criteria. Out of 12,398,235 households, 7,795 households in the form of 1,559 clusters of five households were selected. The statistical framework was based on the household lists available from the Department of Health in the provinces. The response rate was 90%. The lifetime prevalence of SP was 0.82%. The rate was 0.4% in males and 1.3% in females. The rate was higher in younger age groups and widows/widowers. It was not related to educational level and residential area. Specific phobia (66.7%), obsessive-compulsive disorder (17.4%), major depressive disorder (15%), and panic disorder (12.1%) were the most common lifetime psychiatric disorders among subjects with SP. The rate of SP in Iran is more similar to that in other Asian countries, and it is lower than that in Western countries. The rate of other psychiatric disorders among subjects with SP is more than that in the general population, and the most common psychiatric disorders were the other anxiety disorders and major depressive disorder.

Adolescent↗