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Akbar Fotouhi

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https://www.readbyqxmd.com/read/29172289/prevalence-of-helicobacter-pylori-infection-in-dyspeptic-patients-in-andkhoy-afghanistan
#1
Mohammad Hussain Hamrah, Mohammad Shoaib Hamrah, Mohammad Hassan Hamrah, Mitsuro Kanda, Ahmad Edris Hamrah, Ahmad Elias Dahi, Farhat Homayoun, Mohammad Hashem Hamrah, Akbar Fotouhi, Junichi Sakamoto
Background: The prevalence of Helicobacter pylori (H. pylori) infection is reported to be more than 50% worldwide. It has been associated with peptic ulcer disease, gastric carcinoma, and mucosal-associated lymphoid tissue lymphoma. The seroprevalence of H. pylori varies greatly among societies and geographical locations. The objective of this study was to determine the seroprevalence and factors associated with H. pylori infection among dyspeptic patients in Afghanistan. Materials and Methods: This cross-sectional study was designed to determine the seroprevalence of H...
November 26, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28860140/lens-power-in-iranian-schoolchildren-a-population-based-study
#2
Hassan Hashemi, Reza Pakzad, Rafael Iribarren, Mehdi Khabazkhoob, Mohammad Hassan Emamian, Akbar Fotouhi
AIMS: To evaluate lens power (LP) in schoolchildren aged 6-12 years. METHODS: This cross-sectional study was conducted in Shahroud, northeast Iran. The students were selected through random cluster sampling and underwent the measurements of biometry, uncorrected and corrected visual acuity, non-cycloplegic and cycloplegic refraction. The LP was calculated using the Bennett formula. RESULTS: Of 6624 invited children, 5620 (84.8%) participated in the study and data of 4870 children were finally analysed...
August 31, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28828326/prevalence-of-overweight-and-obesity-in-the-middle-age-population-a-priority-for-the-health-system
#3
Mehdi Khabazkhoob, Mohammad Hassan Emamian, Hassan Hashemi, Mohammad Shariati, Akbar Fotouhi
BACKGROUND: The aim of this study was to determine the prevalence of overweight and obesity and their associated factors in the middle-aged population of Shahroud, North of Iran. METHODS: In a population-based cross-sectional study with random cluster sampling, 300 clusters of Shahroud (north of Iran) were randomly selected from the 40-64 yr old population of the city, during 2009 and 2010. Upon enrollment, participants were weighed on digital scales and their heights were measured under standard conditions...
June 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28759945/scotopic-contrast-sensitivity-and-glare-after-accelerated-corneal-cross-linking
#4
Soheila Asgari, Hassan Hashemi, Alireza Mohamadi, Ebrahim Jafarzadehpur, Mohammad Miraftab, Saied Shahhoseini, Shiva Mehravaran, Akbar Fotouhi
BACKGROUND: The aim was to assess one-year changes in uncorrected and corrected contrast sensitivity (CS) and glare under scotopic conditions after accelerated cross-linking (CXL) using the 18 mW/cm(2) protocol for the treatment of progressive keratoconus and compare results with unoperated controls. METHODS: In this non-randomised clinical trial, 30 eyes were enrolled in the CXL group and 30 were assigned to the control group. Scotopic CS at spatial frequencies (SFs) of 0...
July 31, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28514829/does-hofstetter-s-equation-predict-the-real-amplitude-of-accommodation-in-children
#5
Hassan Hashemi, Payam Nabovati, Mehdi Khabazkhoob, Abbasali Yekta, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: The aim was to determine the distribution and associated factors of accommodative amplitude (AA) in six- to 12-year-old children and compare the results with those calculated using Hofstetter's formula. METHODS: In a cross-sectional study in 2015, random sampling was done from urban and rural populations of Shahroud, northern Iran. Participating schoolchildren were examined for manifest, cycloplegic and subjective refraction, as well as uncorrected vision and visual acuity...
May 17, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28510465/cigarette-and-water-pipe-use-in-iran-geographical-distribution-and-time-trends-among-the-adult-population-a-pooled-analysis-of-national-steps-surveys-2006-2009
#6
Saeed Nemati, Ali Rafei, Neal D Freedman, Akbar Fotouhi, Fereshteh Asgary, Kazem Zendehdel
OBJECTIVE: To assess the geographical distribution and time trends of manufactured cigarette and water-pipe use among Iranian adult population. METHOD: Pooled data from four consecutive nationally and provincially representative STEPS surveys, 2006-2009, were analyzed. Prevalence of current daily manufactured cigarette smokers, current daily water-pipe and current daily dual users and associated 95%CIs were estimated using complex sample analysis techniques. RESULTS: Overall, the prevalence of current daily tobacco use, including cigarette and water-pipe, was estimated 23...
May 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28501443/meibomian-gland-dysfunction-and-its-determinants-in-iranian-adults-a-population-based-study
#7
Hassan Hashemi, Hadith Rastad, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To estimate the prevalence of Meibomian gland dysfunction (MGD) and determine the associated factors in the general population in Iran. METHODS: This cross-sectional study is based on the data from the second phase of the Shahroud Eye Cohort Study conducted in 2014. Of the 4737 participants of the second phase, data was available for 4700 people; their mean age was 55.9±6.2 years and 2768 (58.9%) were women. Diagnosis of MGD was made based on the classification of the International Workshop on MGD as judged by the examining ophthalmologist...
August 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28395273/obesity-and-its-socioeconomic-determinants-in-iran
#8
Mohammad Hassan Emamian, Mansooreh Fateh, Ahmad Reza Hosseinpoor, Ali Alami, Akbar Fotouhi
OBJECTIVE: To investigate the socioeconomic inequality of obesity and its determinants in Iran. METHODS: Data was from Iran's surveillance system for risk factors of non-communicable diseases which was conducted on 89,400 individuals aged 15-64 years in 2005. Principal component analysis was used to create a new variable for defining socioeconomic status of participants. We assessed inequality by calculating a slop index of inequality and concentration index for obesity...
August 2017: Economics and Human Biology
https://www.readbyqxmd.com/read/28346280/conjunctivochalasis-and-related-factors-in-an-adult-population-of-iran
#9
Hassan Hashemi, Hadith Rastad, Mohammad Hassan Emamian, Akbar Fotouhi
OBJECTIVES: To determine the prevalence of conjunctivochalasis and its determinants in a middle-aged Iranian population. METHODS: This population-based study was conducted in the context of the second phase of Shahroud Eye Cohort Study in 2014. Of 4,737 participants aged 45 to 69 years who participated in the second phase, the data of 4,702 participants were available for this report. A diagnosis of conjunctivochalasis was made based on the physician's judgment on ophthalmic examinations...
March 24, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28334056/intra-and-postoperative-complications-of-lateral-maxillary-sinus-augmentation-in-smokers-vs-nonsmokers-a-systematic-review-and-meta-analysis
#10
Samaneh Ghasemi, Akbar Fotouhi, Neda Moslemi, Zahra Chinipardaz, Jafar Kolahi, Mojgan Paknejad
PURPOSE: This meta-analysis and systematic review focused on the following question: Does tobacco smoking increase the risk of intra- or postoperative complications of lateral maxillary sinus floor elevation? MATERIALS AND METHODS: The following electronic databases were searched up to and including November 2015 without language restriction: CENTRAL, MEDLINE, Google Scholar, Scopus, Sirous, and Doaj. Studies were included if rates of intra-or postoperative complications of sinus floor elevation in smokers and nonsmokers were recorded separately...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28332896/the-distribution-of-macular-thickness-and-its-determinants-in-a-healthy-population
#11
Hassan Hashemi, Mehdi Khabazkhoob, AbbasAli Yekta, Mohammad Hassan Emamian, Payam Nabovati, Akbar Fotouhi
PURPOSE: To determine the distribution of macular thickness in a healthy Iranian population aged 45-69 years and its association with certain determinants. METHODS: All participants underwent optometric examinations including measurement of uncorrected and corrected visual acuity, objective refraction by retinoscopy, and subjective refraction. Subsequently, all participants underwent slit-lamp biomicroscopy followed by fundus examination through direct and indirect ophthalmoscopy, and optical coherence tomography (OCT) imaging under pupil dilation...
March 23, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28244932/photopic-mesopic-and-scotopic-visual-acuity-after-18-mw-cm2-accelerated-corneal-cross-linking
#12
Soheila Asgari, Hassan Hashemi, Mohammad Miraftab, Saied Shahhoseini, Ebrahim Jafarzadhpur, Shiva Mehravaran, Akbar Fotouhi
OBJECTIVES: One-year changes in uncorrected (UDVA) and corrected (CDVA) distance visual acuity under different lighting conditions after accelerated cross-linking (CXL) in patients with progressive keratoconus in comparison with nontreated cases. METHODS: In this nonrandomized clinical trial, the sample included 50 eyes in the CXL group and 40 eyes in the control group. Visual acuity was tested under photopic (100 lux), mesopic (20 lux), and scotopic (0.5 lux) lighting conditions at 6 months and 1 year...
February 27, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28112533/causal-effects-of-intensive-lifestyle-and-metformin-interventions-on-cardiovascular-disease-risk-factors-in-pre-diabetic-people-an-application-of-g-estimation
#13
RANDOMIZED CONTROLLED TRIAL
Yahya Salimi, Akbar Fotouhi, Kazem Mohammad, Nasrin Mansournia, Mohammad Ali Mansournia
BACKGROUND: In the presence of non-adherence, intention-to-treat analysis preserves randomization, but does not lead to a valid comparison of outcome between the assigned groups. Using a reanalysis of Diabetes Prevention Program, this study aimed to estimate the causal effect of treatment with intensive lifestyle intervention or metformin vs. placebo on blood pressure and lipid profile using G-estimation after accounting for non-adherence. METHODS: The Diabetes Prevention Program randomized 3,052 pre-diabetic individuals to metformin (N = 1015), placebo (N = 1014), or an intensive lifestyle intervention (N = 1023)...
January 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27998161/fee-splitting-among-general-practitioners-a-cross-sectional-study-in-iran
#14
Mojtaba Parsa, Bagher Larijani, Kiarash Aramesh, Saharnaz Nedjat, Akbar Fotouhi, Mir Saeed Yekaninejad, Nejatollah Ebrahimian, Mohamad Jafar Kandi
BACKGROUND: Fee splitting is a process whereby a physician refers a patient to another physician or a healthcare facility and receives a portion of the charge in return. This survey was conducted to study general practitioners' (GPs) attitudes toward fee splitting as well as the prevalence, causes, and consequences of this process. METHODS: This is a cross-sectional study on 223 general practitioners in 2013. Concerning the causes and consequences of fee splitting, an unpublished qualitative study was conducted by interviewing a number of GPs and specialists and the questionnaire options were the results of the information obtained from this study...
December 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27960616/five-year-incidence-of-visual-impairment-in-middle-aged-iranians-the-shahroud-eye-cohort-study
#15
Hassan Hashemi, Shiva Mehravaran, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To study the 5-year incidence of visual impairment and its causes and risk factors, in the middle-aged Iranian sample of the Shahroud Eye Cohort Study (ShECS). METHODS: Data from subjects who had participated in both phases of the ShECS were used to determine age- and sex-specific incidence rates of visual impairment using the World Health Organization (WHO) definitions for bilateral low vision (visual acuity, VA, >0.5 and ≤1.3 LogMAR in the better eye) and blindness (VA worse than 1...
February 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27845549/assets-as-a-socioeconomic-status-index-categorical-principal-components-analysis-vs-latent-class-analysis
#16
COMPARATIVE STUDY
Majid Sartipi, Saharnaz Nedjat, Mohammad Ali Mansournia, Vali Baigi, Akbar Fotouhi
BACKGROUND: Some variables like Socioeconomic Status (SES) cannot be directly measured, instead, so-called 'latent variables' are measured indirectly through calculating tangible items. There are different methods for measuring latent variables such as data reduction methods e.g. Principal Components Analysis (PCA) and Latent Class Analysis (LCA). OBJECTIVES: The purpose of our study was to measure assets index- as a representative of SES- through two methods of Non-Linear PCA (NLPCA) and LCA, and to compare them for choosing the most appropriate model...
November 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27803724/prevalence-of-hookah-smoking-and-its-related-factors-among-students-of-tehran-university-of-medical-sciences-2012-2013
#17
Abbas Abbasi-Ghahramanloo, Afarin Rahimi-Movaghar, Hojjat Zeraati, Saeid Safiri, Akbar Fotouhi
BACKGROUND: Hookah smoking has increased worldwide, especially among young people. OBJECTIVES: The aim of the present study was to determine the prevalence of hookah use and related factors in a sample of Iranian students of medical sciences. MATERIALS AND METHODS: A cross-sectional study was conducted on 1992 randomly selected sample of students of Tehran University of Medical Sciences during 2012 - 2013. A multistage sampling method was used and anonymous structured questionnaires were distributed to the students of each selected class...
June 2016: Iranian Journal of Psychiatry and Behavioral Sciences
https://www.readbyqxmd.com/read/27727492/retinal-nerve-fibre-layer-thickness-in-a-general-population-in-iran
#18
Hassan Hashemi, Mehdi Khabazkhoob, Payam Nabovati, Abbasali Yekta, Mohammad Hassan Emamian, Akbar Fotouhi
BACKGROUND: To determine retinal nerve fibre layer (RNFL) thickness distribution and its related factors in a general population of 45 to 69 year olds in Iran. DESIGN: Population-based cross-sectional study. PARTICIPANTS: Of the 5190 participants of phase one of Shahroud Eye Cohort Study, 4737 participated in Phase two (participation rate = 91.3%). METHODS: All study participants underwent visual acuity measurement, refraction tests, slit lamp examination and ophthalmoscopic fundus exam...
April 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27588277/distribution-of-intraocular-pressure-and-its-determinants-in-an-iranian-adult-population
#19
Hassan Hashemi, Mehdi Khabazkhoob, Mohammad Hassan Emamian, Mohammad Shariati, Abbasali Yekta, Akbar Fotouhi
AIM: To determine the distribution of intraocular pressure (IOP) and its determinants in an Iranian population. METHODS: In a cross-sectional survey, random cluster sampling was conducted from the 40-64 years old population of Shahroud, in the north of Iran. All participants had optometry and ophthalmic exams. IOP was determined using the Goldmann tonometry method and biometric components were measured. RESULTS: Of the 6311 people selected for the study, 5190 (82...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27579459/the-prevalence-of-ptosis-in-an-iranian-adult-population
#20
Hassan Hashemi, Mehdi Khabazkhoob, Mohammad Hassan Emamian, Abbasali Yekta, Ali Jafari, Payam Nabovati, Akbar Fotouhi
PURPOSE: To determine upper eyelid ptosis prevalence and some related factors in 44- to 69-year-olds of Shahroud in the north of Iran. METHODS: In 2009, using multi-stage cluster sampling, 300 clusters of 40-64-year-olds were selected in Shahroud city, and all 5190 participants were invited to be re-examined in 5 years (2014). The current report is the second phase of the study in which 4737 (91.3%) people participated and underwent vision tests, slit lamp examination, biometry, and ophthalmoscopy in 2014...
September 2016: Journal of Current Ophthalmology
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