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Search Results: 1 - 10 of 46 matches for " Saeideh Dahaghin "
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The relation between athletic sports and prevalence of amenorrhea and oligomenorrhea in Iranian female athletes
Haleh Dadgostar, Mohammad Razi, Ashraf Aleyasin, Talia Alenabi, Saeideh Dahaghin
Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology , 2009, DOI: 10.1186/1758-2555-1-16
Abstract: This study performed as a cross-sectional study. All elite Iranian female athletes of 34 sports federation, including female athletes in national teams and medalists of Tehran were invited to participate. A total of 788 (95% response rate) returned the questionnaires and were examined. Younger athletes under the age of menarche were excluded. Each athlete completed a self-administered questionnaire, which covered the following questions about participant's demographic information, athletic history, history of injuries and menstrual pattern. In order to diagnose the causes of amenorrhea/Oligomenorrhea including polycystic ovary syndrome(PCOS), participants with amenorrhea/Oligomenorrhea underwent further investigation. They were evaluated by following Para clinic investigation, and an ultrasonographic study of ovary.The age ranged from 13–37 (mean = 21.1, SD = 4.5). Seventy one (9.0%) individuals had amenorrhea/oligomenorrhea, among those, 11 (15.5%) had PCOS.There was also a positive association between amenorrhea/oligomenorrhea and the following: age under 20 OR; 2.67, 95%CI(1.47 – 4.85), weight class sports OR; 2.09, 95%CI(1.15 – 3.82), endurance sports OR; 2.89, 95%CI(1.22 – 6.84), late onset of menarche OR; 3.32 95%CI(1.04–10.51), and use of oral contraceptive pills OR; 6.17, 95%CI(3.00 – 12.69). Intensity of training sport or BMI were not risk factors.These findings support the previous findings in the literature that the prevalence of amenorrhea/oligomenorrhea is high in athletes. Furthermore, we provided the first report on the prevalence of PCOS in female athletes with amenorrhea/oligomenorrhea. Athletes would be greatly benefited by greater general awareness about the complications of amenorrhea/oligomenorrhea.To increase awareness of exercise-associated menstrual cycle irregularities, it is necessary to design complete and comprehensive education programs for female athletes, their parents, their coaches, and the relevant authorities.Menstrual disorders su
Evaluation of Unsaturated Layer Effect on Seismic Analysis of Unbraced Sheet Pile Wall  [PDF]
Mohammad Hossein Jahangir, Hadis Soleymani, Saeideh Sadeghi
Open Journal of Marine Science (OJMS) , 2017, DOI: 10.4236/ojms.2017.72022
Abstract: This paper is built upon the previous developments on lateral earth pressure by providing a series of analytical expressions that may be used to evaluate vertical profiles of the effective stress and the corresponding suction stress under steady-state flow conditions. Suction stress profile is modeled for one layer sand near the ground above the water level under hydrostatic conditions. By definition, the absolute magnitude of suction stress depends on both the magnitude of the effective stress parameter and matric suction itself. Thus, by developing the Rankine’s relations in seismic state, the composing method of active and passive surfaces in sides of unbraced sheet pile is examinated and the effects of soil parameter on those surfaces are evaluated by a similar process. The relations described the quantitative evaluation of lateral earth pressure on sheet pile and the effects of unsaturated layer on bending moment and embedded depth of sheet pile in soil.
Once-Daily Therapy for Streptococcal Pharyngitis with Amoxicillin vs, Intramuscular Benzathin Penicillin G
Saeideh Tarvijeslami,Hossein Nasirian
Iranian Journal of Pediatrics , 2007,
Abstract: Objective: Recent studies have shown that amoxicillin, taken once a day may be as effective as oral penicillin V, three or four times a day, as an effective choice for treatment of group A β-hemolytic streptococcal (GABHS) pharyngitis. The purpose of this study was to evaluate the effectiveness of once-daily amoxicillin vs intramuscular benzathine penicillin G in the treatment of streptococcal pharyngitis.Material & Methods: Children 6-15 years of age presenting to a private pediatric clinic with GABHS pharyngitis in the urban population of Mashhad, Iran. Prospective randomized controlled study in which patients were randomly assigned to receive orally amoxicillin (750 mg once daily) for 10 days versus a single shot of intramuscular benzathin penicillin G (600.000-1.200.000IU). They received orally amoxicillin by a health worker and compliance was monitored. After 48 hours if the first throat culture was positive, the patients were reevaluated by the same physician, and a second throat culture was obtained to evaluate bacteriologic response to treatment. Ninety-nine patients had throat swabs that yielded positive results on culture. In the latter group, 31 children were randomly assigned to receive intramuscularly penicillin, and 68 children were randomly assigned to receive once-daily amoxicillin. Outcomes were measured by impact on the clinical course and response, eradication of GABHS within 48 hours and compliance. Eleven of the amoxicillin-treated patients refused to take the drug, were noncompliant, or did not return for the follow-up visit. Three of this group, had residual positive culture 48 hours after treatment, and had bacteriologic failure with intramuscular penicillin. These were excluded as carriers, leaving 54 amoxicillin-treated patients. The children in the two treatment groups were comparable with respect to age and, gender.Findings: There were no significant differences in the clinical and bacteriological response, bacteriologic failure and residual positive cultures between the two groups after 48 hours. In the amoxicillin group, 18.9% failed to respond to treatment compared to 6.4% in the penicillin group. The difference was not statistically significant (P-value = 0.1).Conclusion: Our study was in line with two studies comparing oral forms of drugs. These data demonstrate that once-daily therapy with amoxicillin is as effective as intramuscular benzatine penicillin G for the treatment of GABHS pharyngitis.
A Link Layer Solution to Location Identi cation of Emergency VoIP Callers
Saeideh Ashtarifar,Ashraf Matrawy
International Journal of Computer Networks & Communications , 2010,
Abstract: Identifying the geographical location of a host on the Internet is a very challenging task. Due to a number of reasons, there is no direct mechanism that could enable this identification. Several approaches have been proposed to solve this problem but these have not proved to be suitable for some applications specially the critical VoIP calls. In this paper, we study this problem and propose the use of a MAC layer approach to solve this problem. We propose a solution based on LLDP-MED (Link Layer Discovery Protocol for Media Endpoint Devices) and compare it with LIS (Location Information Server). We discuss these two techniques in terms of network delay for two groups of users (wired line and wireless Internet users) for emergency cases and also discuss some other issues such as security and accuracy.
An Update on Pharmacology of Satureja Species; From Antioxidant, Antimicrobial, Antidiabetes and Anti-hyperlipidemic to Reproductive Stimulation
Saeideh Momtaz,Mohammad Abdollahi
International Journal of Pharmacology , 2010,
Abstract: Since ancient, the genus Satureja L. is well recognized for its therapeutic values. Only recently, scientists have been aware of its new medicinal aspects. In our last review, we evaluated existing scientific data about this genus. Regarding ongoing reports and new multi-functional properties of this plant we were interested to update pharmacology of Satureja. Data were gathered using of scientific books, journals, articles and websites including Pubmed, Scopus and Google Scholar up to 25th April 2010. Of initial search, 1540 records were reviewed for inclusion or exclusion in study, of which 71 publications were included. Different species of Satureja are famous for their analgesic, antiseptic, antimicrobial, antiviral, antioxidant, antiproliferative, antiprotozoal, antifungal, antidiarrheal, anti-inflammatory, anti-nociceptive, anticholinesterase and vasodilatory activities. The valuable therapeutic aspects of this genus are mostly correlated to the existence of essential oils, flavonoids and triterpenoids. The combination of two or more subspecies acting by different mechanisms to produce a synergistic effect should be considered. Based on the conducted assessments so far, antibacterial, antifungal, antiviral, antioxidant, anti-diabetic, vasodilatory and analgesic activities are characterized as the most applicable properties of Satureja subspecies. Further studies are needed to confirm novel pharmacological aspects of this genus in both animal and human.
Incremental Versus Optimized Network Design
Saeideh Bakhshi,Constantine Dovrolis
Physics , 2011,
Abstract: Even though the problem of network topology design is often studied as a "clean-slate" optimization, in practice most service-provider and enterprise networks are designed incrementally over time. This evolutionary process is driven by changes in the underlying parameters and constraints (the "environment") and it aims to minimize the modification cost after each change in the environment. In this paper, we first formulate the incremental design approach (in three variations), and compare that with the more traditional optimized design approach in which the objective is to minimize the total network cost. We evaluate the cost overhead and evolvability of incremental design under two network expansion models (random and gradual), comparing incremental and optimized networks in terms of cost, topological similarity, delay and robustness. We find that even though incremental design has some cost overhead, that overhead does not increase as the network grows. Also, it is less costly to evolve an existing network than to design it "from scratch" as long as the network expansion factor is less than a critical value.
Existence Results for the Distributed Order Fractional Hybrid Differential Equations
Hossein Noroozi,Alireza Ansari,Mohammad Shafi Dahaghin
Abstract and Applied Analysis , 2012, DOI: 10.1155/2012/163648
Abstract: We introduce the distributed order fractional hybrid differential equations (DOFHDEs) involving the Riemann-Liouville differential operator of order with respect to a nonnegative density function. Furthermore, an existence theorem for the fractional hybrid differential equations of distributed order is proved via a fixed point theorem in the Banachalgebras under the mixed Lipschitz and Caratheodory conditions.
Risk Factors of Glucocorticoid-Induced Diabetes Mellitus in Systemic Lupus Erythematosus
Mojdeh Zabihi Yeganeh,Saeideh Sadeghi
Galen Medical Journal , 2013,
Abstract: Background: The aim of this study was to investigate the prevalence and associated factors of glucocorticoid-induced Diabetes mellitus (GIDM) in patients with systemic lupus erythematosus (SLE) under glucocorticoid therapy.Methods: Patients with SLE who had received high-dose glucocorticoid therapy (prednisolone≥1 mg/kg/day) at Rasoul Akram and Firoozgar hospitals were recruited during 2006-2011.Results: A total of 81 patients with SLE were evaluated. 21 patients (25.9%) of them developed GIDM after high-dose glucocorticoid therapy. Univariate analysis of data showed that old age, family history of diabetes mellitus (DM) and use of Mycophenolate mofetil were factors that would increase the likelihood of GIDM.Conclusion: In summary, GIDM was developed among 25.9% of patients with SLE after high-dose glucocorticoid therapy. Old age, family history of DM and use of Mycophenolate mofetil were determined to be factors responsible for increasing the risk of developing GIDM.
Examining the validity of the ActivPAL monitor in measuring posture and ambulatory movement in children
Aminian Saeideh,Hinckson Erica A
International Journal of Behavioral Nutrition and Physical Activity , 2012, DOI: 10.1186/1479-5868-9-119
Abstract: Background Decreasing sedentary activities that involve prolonged sitting may be an important strategy to reduce obesity and other physical and psychosocial health problems in children. The first step to understanding the effect of sedentary activities on children’s health is to objectively assess these activities with a valid measurement tool. Purpose To examine the validity of the ActivPAL monitor in measuring sitting/lying, standing, and walking time, transition counts and step counts in children in a laboratory setting. Methods Twenty five healthy elementary school children (age 9.9 ± 0.3 years; BMI 18.2 ± 1.9; mean ± SD) were randomly recruited across the Auckland region, New Zealand. Children were fitted with ActivPAL monitors and observed during simulated free-living activities involving sitting/lying, standing and walking, followed by treadmill and over-ground activities at various speeds (slow, normal, fast) against video observation (criterion measure). The ActivPAL sit-to-stand and stand-to-sit transition counts and steps were also compared with video data. The accuracy of step counts measured by the ActivPAL was also compared against the New Lifestyles NL-2000 and the Yamax Digi-Walker SW-200 pedometers. Results We observed a perfect correlation between the ActivPAL monitor in time spent sitting/lying, standing, and walking in simulated free-living activities with direct observation. Correlations between the ActivPAL and video observation in total numbers of sit-to-stand and stand-to-sit transitions were high (r = 0.99 ± 0.01). Unlike pedometers, the ActivPAL did not misclassify fidgeting as steps taken. Strong correlations (r = 0.88-1.00) between ActivPAL step counts and video observation in both treadmill and over-ground slow and normal walking were also observed. During treadmill and over-ground fast walking and running, the correlations were low (r = 0.21-0.46). Conclusion The ActivPAL monitor is a valid measurement tool for assessing time spent sitting/lying, standing, and walking, sit-to-stand and stand-to-sit transition counts and step counts in slow and normal walking. The device did not measure accurately steps taken during treadmill and over-ground fast walking and running in children.
The prevalence of symptomatic hand osteoarthritis in Tehran: Community-oriented program for Control of Rheumatic Diseases- COPCORD
Dahaghin S,Jamshidi AR,Tehrani Banihashemi A,Gholami J
Tehran University Medical Journal , 2009,
Abstract: "n Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Arial; mso-bidi-theme-font:minor-bidi;} Background: Osteoarthritis is the most common form of arthritis in the world. This study presents the evidence on the prevalence of symptomatic hand osteoarthritis in urban community. To add to the evidence on the prevalence of symptomatic hand osteoarthritis in urban community."n"nMethods: Inhabitants (age≥15 yrs) in 22 randomly selected districts (Tehran) participated in a Community-Oriented Program for Control of Rheumatic Diseases (COPCORD) evaluating major rheumatic disorders, including osteoarthritis. Eventually, 10, 291 inhabitants completed a Questionnaire (75% response-rate). Trained interviewers asked participants whether they had had any pain, swelling, tenderness, or morning stiffness in the right/ left hand during previous seven days. Participants underwent a complete physical examination if they had any musculoskeletal complaint or extra-articular manifestation of rheumatic disease. Osteoarthritis was defined as presence of palpable nodules (Heberden's/ Bouchard's nodes, CMC1's squaring), pain, tenderness, swelling, or a combination of them on that joint (DIP-PIP-MCP-CMC1). Clinical hand osteoarthritis was positive if at least one joint showed osteoarthritis. "n"nResults: Symptomatic hand osteoarthritis was present in 2.8%(CI; 2.3-3.4) (52.6% female, mean age; 37.1±16.3). Prevalence was higher in females (4.3% vs. 1.3%, p=0.000) and increased with age (0.1% in people <30 versus 23% in people >70, p=0.000). The most common signs in the DIP, PIP and CMC1 joints were bony enlargement, followed by tenderness and pain on movement. "n"nConclusions: our study confirms the evidence of high prevalence of symptomatic hand osteoarthritis in an urban community. The prevalence, pattern of hand joints involvement and relationship with age and sex in this study performed in an Eastern community resemble those in Westerners, whi
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