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کاربرد نوع شرط:
- جایگاه : پژوهشی
- مجله: Reviews in Clinical Medicine
- نوع مقاله: Journal Article
- کلمات کلیدی: Urolithiasis,Extracorporeal shockwave lithotripsy,Ureteroscopic surgery
- چکیده:
- چکیده انگلیسی: Introduction: Urolithiasis is a common and frequently occurring disease with high recurrence rate. Ureteroscopic lithotripsy (URSL) and extracorporeal shock wave lithotripsy (ESWL) are two most popular modalities in the treatment of urolithiasis. The efficacy of these two methods is reviewed on the treatment of ureteral stones in this systematic review.
Method: PubMed was searched for the relevant randomized control trials (RCTs). Stone-free rate and retreatment rate were extracted from each article as the main outcomes, and Odds ratio was reported in each study.
Result: Based on calculated odds ratio of each article, URSL has an odds ratio of 1 for the event of retreatment rate compared with ESWL.
Discussion: Performing URSL in the treatment of urolithiasis could be associated with higher stone-free rate and lower retreatment rate; however duration of the surgery seems to be longer during URSL compared with ESWL.
Conclusions: There was high discrepancy between included RCTs regarding the study design, stone location, types of ureteroscope, intracorporeal lithotripsy devices, time to follow-up, and surgeon experience, which might affect the decision regarding type of surgery.- انتشار مقاله: 17-12-1393
- نویسندگان: Mohammad Asl Zare,Mohammad Reza Darabi Mahboob,Ramin Rahdari
- مشاهده
- جایگاه : پژوهشی
- مجله: Reviews in Clinical Medicine
- نوع مقاله: Journal Article
- کلمات کلیدی: Urolithiasis,Extracorporeal shockwave lithotripsy,Ureteroscopic surgery
- چکیده:
- چکیده انگلیسی: Introduction: Urolithiasis is a common and frequently occurring disease with high recurrence rate. Ureteroscopic lithotripsy (URSL) and extracorporeal shock wave lithotripsy (ESWL) are two most popular modalities in the treatment of urolithiasis. The efficacy of these two methods is reviewed on the treatment of ureteral stones in this systematic review.
Method: PubMed was searched for the relevant randomized control trials (RCTs). Stone-free rate and retreatment rate were extracted from each article as the main outcomes, and Odds ratio was reported in each study.
Result: Based on calculated odds ratio of each article, URSL has an odds ratio of 1 for the event of retreatment rate compared with ESWL.
Discussion: Performing URSL in the treatment of urolithiasis could be associated with higher stone-free rate and lower retreatment rate; however duration of the surgery seems to be longer during URSL compared with ESWL.
Conclusions: There was high discrepancy between included RCTs regarding the study design, stone location, types of ureteroscope, intracorporeal lithotripsy devices, time to follow-up, and surgeon experience, which might affect the decision regarding type of surgery.- انتشار مقاله: 17-12-1393
- نویسندگان: Mohammad Asl Zare,Mohammad Reza Darabi Mahboob,Ramin Rahdari
- مشاهده
- جایگاه : پژوهشی
- مجله: Nursing and Midwifery Studies
- نوع مقاله: Journal Article
- کلمات کلیدی: sex,Infarction,Acute pain
- چکیده:
- چکیده انگلیسی:
- انتشار مقاله: 11-10-1348
- نویسندگان: Mahdi Moshki,Mohammad Zareie,Haydeh Hashemizadeh
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Theoretical and Applied Vibration and Acoustics
- نوع مقاله: Journal Article
- کلمات کلیدی: Frequency Response,Bimorph piezoelectric actuator,Continuous modeling,Non-minimum phase system,Dynamic behavior analysis
- چکیده:
- چکیده انگلیسی:
Bimorph piezoelectric cantilevered (BPC) actuators have recently received a great deal of attention in a variety of micro-electromechanical systems (MEMS) applications. Dynamic modeling of such actuators needs to be improved in order to enhance the control performance. Previous works have usually taken transverse vibration into account without considering longitudinal vibration. This paper presents a comprehensive modeling for a set of transverse and longitudinal vibration equations for piezoelectric cantilevered actuators. In addition, dynamic behavior and exact non-minimum phase region along BPC is derived by analyzing first three vibrational modes. A simulation study is propounded to better analyze the system dynamic behavior. Finally, an experimental setup is developed to verify the proposed dynamic model. The modal frequency response of the system for the first three modes, obtained from the proposed model, is compared with those obtained from the experiment and a good consistency between them confirms the validity of the proposed dynamic model.
- انتشار مقاله: 01-11-1396
- نویسندگان: Mohamad Ebrahimi,Hamed Ghafarirad,Mohammad Zareinejad
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Plant Molecular Breeding
- نوع مقاله: Journal Article
- کلمات کلیدی: Ascorbic acid,Gene expression,salt stress,Aeluropus littoralis,HKT Genes
- چکیده:
- چکیده انگلیسی: Salinity is one of the most important abiotic stresses that limit crop growth and production. Salt stress influences plants in two ways: by affecting ion toxicity and increasing osmotic stress. Ion homeostasis, the excretion of Na+ and using antioxidant systems are the major strategies of salt tolerance in plants. Na+ and K+ transporters with enzymes that are involved in detoxification of reactive oxygen species play key roles in salt tolerance in plants. The aim of this study was to investigate the responses of high affinity K+ transporter2;1 gene (HKT2;1) which is involved in regulation of ion homeostasis and L-gulonolactone oxidase (GLOase) which is involved in the ascorbic acid biosynthesis pathway, under different concentrations of NaCl over different time points in Aeluropus littoralis shoots. Results from Real Time PCR data showed that expressions of both genes were influenced by external and internal concentrations of Na+ and the internal K+ content. AlHKT2;1 was significantly upregulated by increasing Na+ concentration at all time points. Furthermore, its highest expression level in shoots occurred after 6 days in 300mM NaCl in shoots which was 25folds more than untreated shoots. AlGLOase expression levels increased 54 h after initiation of salt stress. These results indicate that AlHKT2;1 and AlGLOase respond to different salinity conditions and probably are part of the mechanisms involved in tolerance to high salt concentrations in A. littoralis.
- انتشار مقاله: 28-07-1394
- نویسندگان: Khalil Malekzadeh,Ali Niazi,Farajollah Shahriari-Ahmadi,Amin Mirshamsi-Kakhaki,Mohammad Zare-Mehrjerdi
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Plant Molecular Breeding
- نوع مقاله: Journal Article
- کلمات کلیدی: Real-time PCR,potassium,sodium,Flame Photometry,Aeluropus littoralis,Membranous HKT
- چکیده:
- چکیده انگلیسی: Among abiotic stresses, salinity has been increasing over the time for many reasons like using chemical fertilizers, global warming and rising sea levels. Under salinity stress, the loss of water availability, toxicity of Na+ and ion imbalance directly reduces carbon fixation and biomass production in plants. K+ is a major agent that can counteract Na+ stresses, thus the potential of plants to tolerate salinity is strongly dependent on their potassium nutrition. HKTs (High-affinity K+ Transporters) are a family of transporters that mediate Na+-specific or Na+-K+ transport and play a key role in the regulation of ion homeostasis. In this study, we intended to focus on Electrolyte Leakage, ratio of K+/Na+, transcriptomic responses of a subclass two HKT in the roots of Aeluropus littoralis under salt stress. We investigated a noticeably different expression pattern over studied time points and found a snappy increase of AlHKT and rebalance of K+ concentration. It can be suggested that the early and high response of a Na+-K+ coupled transporter acted as a part of A. littoralis salt tolerance.
- انتشار مقاله: 11-05-1394
- نویسندگان: Masoud Fakhrfeshani,Farajollah Shahriari-Ahmadi,Ali Niazi,Nasrin Moshtaghi,Mohammad Zare-Mehrjerdi
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Oral Health and Oral Epidemiology
- نوع مقاله: Journal Article
- کلمات کلیدی: Anatomy,Root canal,Tooth,molar
- چکیده:
- چکیده انگلیسی: BACKGROUND AND AIM: Isthmuses are narrow and strip shaped connections between two canals containing pulpal tissue that may encompass bacteria as well. They are hardly accessible for cleaning; therefore, success and failure of root canal treatments could be affected by their presence. The present study was carried out aiming to evaluate the incidence, location, and type of isthmus in mandibular second molars (MSMs) among individuals of an Iranian population.METHODS: 80 MSMs with inclusion criteria, belonging to individuals of an Iranian population were collected and disinfected. After embedding the samples’ roots in the acrylic resin, teeth were sectioned horizontally at 2, 4, and 6 mm distances from the apices. Then they were viewed and recorded by a stereomicroscope under × 30 magnification. According to Kim classification, two endodontists recorded the number of canals, incidence, and type of the isthmuses. In cases of disagreement, a third endodontist was involved to judge on the right opinion between the two. The acquired data were analysed using chi-square test.RESULTS: The results showed that 96.3% and 3.75% of MSMs had two and three roots, respectively. Type V (described in the following) was the most frequent type of isthmus at mesial and distal roots. C-shaped canals composed 3.7% of the samples and showed isthmus at all the three sections. There was a significant difference in the distribution of isthmuses (P < 0.001).CONCLUSION: According to this study, different types of isthmuses prevail in high rate of mesial and about half of the distal roots of MSMs, which are important for root canal cleaning and shaping.
- انتشار مقاله: 10-05-1395
- نویسندگان: Nahid Mohammadzadeh-Akhlaghi,Peyman Mehrvarzfar,Mohammad Hossein Zarei,Pooneh Mohebbi,Mohammad Ali Sabeti
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Oral Health and Oral Epidemiology
- نوع مقاله: Journal Article
- کلمات کلیدی: ginger,Radiation,Xerostomia
- چکیده:
- چکیده انگلیسی: BACKGROUND AND AIM: Our aim was to assess the clinical efficacy of ginger capsule (Zintoma herbal capsule) in the relief of symptoms in patients with post-radiotherapy xerostomia.METHODS: This study was a randomized double-blind, parallel clinical trial of ginger usage in patients with post-radiotherapy xerostomia. Sixty-one subjects were selected from patients with xerostomia of Imam Khomeini Cancer Institute, Tehran, Iran. Subject-based dry mouth scores derived from 100 mm visual analogue scales (VAS) were recorded at baseline. Patients also completed a questionnaire on the first visit regarding the symptoms of xerostomia. The patients received ginger capsule (30 persons) or placebo (31 persons) three times daily over a 2-weeks period. At the end of day 14, dry mouth scores derived from VAS were recorded again and patients responded to the additional variables regarding dry mouth symptoms and quality of life issues. P < 0.05 was considered significant. Data were analyzed using SPSS.RESULTS: The mean treatment effect on day 14 was 33.7 ± 20.9 mm in the ginger group and 23.6 ± 17.3 mm in the placebo group. The analysis indicated marginally significant improvement of xerostomia with ginger prescription (P = 0.057). At the end of intervention there was no significant difference between the two groups regarding improvement of quality of life or dry mouth symptoms.CONCLUSION: It seems that ginger could be helpful in the treatment of xerostomia. Since ginger is considered a safe herbal medicine with only few and insignificant adverse/side effects further studies in larger group of patients are recommended to provide the effect of ginger on different complaints of xerostomia.
- انتشار مقاله: 21-04-1395
- نویسندگان: Goli Chamani,Mohammad Reza Zarei,Mitra Mehrabani,Nozar Nakhaee,Bita Kalaghchi,Mahdi Aghili,Arezoo Alaee
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Oral Health and Oral Epidemiology
- نوع مقاله: Journal Article
- کلمات کلیدی: Iran,Epidemiology,oral cancer,pharyngeal cancer
- چکیده:
- چکیده انگلیسی: BACKGROUND AND AIM: The aim of this study was to determine the incidence and relative frequency of oral and pharyngeal cancers in Kermanshah, Iran, from March 1993 until March 2006.METHODS: The data used in this epidemiologic study were extracted directly from pathology records registered in 12 (all) public and private pathology centers of Kermanshah province during the 13-year study period. The medical data of 13,323 cases of cancer were studied.RESULTS: During the 13-year period of this study, 350 new malignant cases occurred in the oral cavity and pharynx. 247 (70%) were men and 103 (30%) were women. The mean age for oral and pharyngeal cancers was 57 [standard deviation (SD) = 17.09] with male to female ratio 2.39:1. The most common oral and pharyngeal cancers were squamous cell carcinoma (SCC) with 283 patients. 211 (74.6%) of the patients were men and 72 (25.4%) of them were women; the mean age of SCC was 60 (SD = 16) with male to female ratio 2.93:1. The two most common sites of involvement were lips [166 (47.5%)] and tongue [25 (7.14%)]. The overall incidence rate of oral and pharyngeal cancers was 1.47 per 100000 populations.CONCLUSION: In summary, the incidence risk of oral and pharyngeal cancers in people living in Kermanshah province is similar to the most other provinces of Iran. However, this study showed that the rank of oral and pharyngeal cancers among males (9th most common cancer) is low when compared to other regions of Iran and other countries such as India, Australia, and France.
- انتشار مقاله: 08-03-1395
- نویسندگان: Mohammad Reza Zarei,Goli Chamani,Ali Akbar Haghdoost,Elaheh Tahmasebi,Hamid Reza Mozaffari,Mahdi Momeni-Tikdari
- مشاهده
- جایگاه : پژوهشی
- مجله: Journal of Oral Health and Oral Epidemiology
- نوع مقاله: Journal Article
- کلمات کلیدی: treatment,stomatitis,Recurrent,Levamisole,Aphthous
- چکیده:
- چکیده انگلیسی: BACKGROUND AND AIM: The aim of this study was to systematically analyze the effect of levamisole on treatment of recurrent aphthous stomatitis (RAS).METHODS: An electronic search was executed in PubMed, Cochrane, and Scopus after determining the research question using the appropriate Medical Subject Heading (MeSH) term covering the period from 1975 to 2015. Additional publications from hand searching and the reference section of each relevant article enriched the article list. Finally, 9 articles that have assessed the effect of levamisole on the treatment of RAS and had suitable qualifications for the accomplishment of systematic review and meta-analysis were included.RESULTS: The results showed that the chance of improvement in patients taking levamisole was 6 [odds ratio (OR) = 5.67, 95% confidence interval (CI)] times more than in patients not taking this drug.CONCLUSION: It appears that levamisole is an effective drug for the treatment of RAS, but further appropriate studies should carryout in this context.
- انتشار مقاله: 08-03-1395
- نویسندگان: Goli Chamani,Maryam Rad,Mohammad Reza Zarei,Seyyed Reza Hashemimanesh,Elham Abbaszadeh,Masoumeh Sadeghi
- مشاهده