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Search Results: 1 - 10 of 461799 matches for " A A Khezri "
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Results of Dermal Patch Graft in the Treatment of Peyronie’s Disease
Darioush Irani,Shahriyar Zeighami,A A Khezri
Urology Journal , 2004,
Abstract: Purpose: To investigate the efficacy of “dermal patch graft” in surgical management of Peyronie’s. Materials and Methods: eighteen of Peyronie’s disease cases, with a mean age of 49 and a history of penile curvature and painful erection were enrolled in this study. Diagnosis was made clinically by plaque palpation. All of them were in the chronic stage of disease with symptom duration of at least 6 months. We also evaluate their potency through Brief Sexual Function Inventory (BSFI) questionnaire before and after the operation, meanwhile the degree of penile curvature was measured with goniometry while artificial erection status was induced. Results: Mean penile curvature, before and after the operation (58 and 5 degrees respectively), showed significant improvement (P < 0.001). The improvement of curvature was irrespective of the plaque size. All of our patients suffered from inability to intercourse due to significant penile curvature but after the procedure 11 of them (66.1%) could do so. Also the BSFI score improved significantly in this subgroup (P < 0.05). The remaining 7 cases (39%) already suffered from erectile dysfunction despite of operation; however, the penile curvature improved significantly in them. Six of this latter group had a plaque size greater than 4 cm2 and BSFI score was not significantly improved.Conclusion: Dermal patch graft as a cost effective method in the management of Peyronie’s disease significantly corrects the curvature irrespective of plaque size and curvature severity. We found that if the fibrous plaque is less than 4 cm2 and the patient has no severe erectile dysfunction, this procedure will significantly improve his potency; however, if the patient suffers from a plaque sized greater than 4 cm2 and/or severe erectile dysfunction, to reach satisfactory erection, implantation of penile prosthesis or applying other methods of artificial erection in addition to dermal patch graft is suggested.
Diagnosis of a Lingual Mandibular Bone Defect (Stafne’s Bone Defect) by CT Scan
S. Nikzad,A. Azari,F. Hossein Khezri
Iranian Journal of Radiology , 2010,
Abstract: The lingual mandibular bone defect, which is also known as Stafne's bone defect, is a rare entity commonly affecting the posterior lingual part of the mandible. Although this lesion usually contains normal connective tissue compartments, it may be misinterpreted as tumor like lesions. In this manuscript, based on the density analysis of the CT images and through use of a simplified quantification system, a novel approach has been introduced which attempts to differentiate the benign nature of the defect
Isoparametric hypersurfaces and their application to special geometries
Firouz Khezri
Mathematics , 2009,
Abstract: Isoparametric hypersurfaces and their application to special geometries
Cloud point extraction, preconcentration and spectrophotometric determination of nickel in water samples using dimethylglyoxime
Morteza Bahram,Somayeh Khezri,Sakineh Khezri
Current Chemistry Letters , 2013,
Abstract: A new and simple method for the preconcentration and spectrophotometric determination of trace amounts of nickel was developed by cloud point extraction (CPE). In the proposed work, dimethylglyoxime (DMG) was used as the chelating agent and Triton X-114 was selected as a non-ionic surfactant for CPE. The parameters affecting the cloud point extraction including the pH of sample solution, concentration of the chelating agent and surfactant, equilibration temperature and time were optimized. Under the optimum conditions, the calibration graph was linear in the range of 10-150 ng mL-1 with a detection limit of 4 ng mL-1. The relative standard deviation for 9 replicates of 100 ng mL-1 Ni(II) was 1.04%. The interference effect of some anions and cations was studied. The method was applied to the determination of Ni(II) in water samples with satisfactory results.
Real-time intelligent pattern recognition algorithm for surface EMG signals
Mahdi Khezri, Mehran Jahed
BioMedical Engineering OnLine , 2007, DOI: 10.1186/1475-925x-6-45
Abstract: We propose to use an intelligent approach based on adaptive neuro-fuzzy inference system (ANFIS) integrated with a real-time learning scheme to identify hand motion commands. For this purpose and to consider the effect of user evaluation on recognizing hand movements, vision feedback is applied to increase the capability of our system. By using this scheme the user may assess the correctness of the performed hand movement. In this work a hybrid method for training fuzzy system, consisting of back-propagation (BP) and least mean square (LMS) is utilized. Also in order to optimize the number of fuzzy rules, a subtractive clustering algorithm has been developed. To design an effective system, we consider a conventional scheme of EMG pattern recognition system. To design this system we propose to use two different sets of EMG features, namely time domain (TD) and time-frequency representation (TFR). Also in order to decrease the undesirable effects of the dimension of these feature sets, principle component analysis (PCA) is utilized.In this study, the myoelectric signals considered for classification consists of six unique hand movements. Features chosen for EMG signal are time and time-frequency domain. In this work we demonstrate the capability of an EMG pattern recognition system using ANFIS as classifier with a real-time learning method. Our results reveal that the utilized real-time ANFIS approach along with the user evaluation provides a 96.7% average accuracy. This rate is superior to the previously reported result utilizing artificial neural networks (ANN) real-time method [1].This study shows that ANFIS real-time learning method coupled with mixed time and time-frequency features as EMG features can provide acceptable results for designing sEMG pattern recognition system suitable for hand prosthesis control.The EMG signal provides us with information about the neuromuscular activity from which it originates. This has been fundamental to its use in clinical dia
Seroprevalence and S7 gene characterization of bluetongue virus in the West of Iran
Mohammad Khezri,Sayed Mahmad Azimi
Veterinary World , 2012, DOI: 10.5455/vetworld.2012.549-555
Abstract: Aim: The objective of this study was conducted to determine the seroprevalence and S7 gene characterization of BTV of sheep in the West of Iran, during 2007-2008. Materials and Methods: A total 372 sheep blood samples were collected from known seropositive regions in the West of Iran. Anti-BTV antibodies were detected in the serum samples by group specific, c-ELISA. Extractions of the dsRNA from whole blood samples were carried out. The One-step RT-PCR kit was used for the detection of S7 BTV gene in the blood samples. PCR products of the first amplification (RT-PCR) were used; template in the nested PCR. Products were separated by 1.2% Agarose gel electrophoresis. Nested PCR products of S7 segment from positive samples and the reference strain; BTV1 (RSA vvvv/01) were prepared for sequencing. All sequences were subjected to multiple sequence alignments and phylogenetic analysis. Results: The results showed widespread presence of the anti-BTV antibodies in the province's sheep population, where 46.77% of the tested sera were positive on ELISA. Bluetongue viruses were diagnosed in some animals by RT-PCR and nested PCR, by targeting S7 segment. This genome segment was sequenced and analyzed in four samples as a conserved gene in BTV serogroup. This group was very similar to the West BTV strains from US, Africa and Europe. This clustered was categorized with BTV4 from Turkey. Conclusion: Increases in epidemic disease may constitute a serious problem for Iran's rural economy in future, and the situation is likely to worsen in the next few years as the proportion of unvaccinated livestock increases. [Vet World 2012; 5(9.000): 549-555]
Epidemiological investigation of bluetongue virus antibodies in sheep in Iran
Mohammad Khezri,Seyed Mahmoud Azimi
Veterinary World , 2013, DOI: 10.5455/vetworld.2013.122-125
Abstract: Aim: Bluetongue is a non-contagious, infectious viral disease of domestic and wild ruminants; which is believed to have originated in Africa. The epidemiology of Bluetongue virus infection is poorly defined in many parts of the world, including a wide range of Asia and the Middle East. This paper reports the results of a Bluetongue serological survey in sheep from some provinces of Iran during 2007-2008. Material and Methods: A total of 996 sheep sera were collected from 8 provinces in Iran and tested for Bluetongue virus specific using c-ELISA. Results: The results showed that the Bluetongue virus seroprevalence of sheep over the entire study areas was 34.93%, with the highest and lowest prevalence seen in West-Azerbaijan (64.86%) and Qom (12.1%) areas respectively. Conclusion: The results demonstrated a high prevalence of Bluetongue antibodies in Iranian sheep, giving serological evidence of extensive exposure to Bluetongue virus infection in some provinces of the country. [Vet World 2013; 6(3.000): 122-125]
The efficacy and Safety of Intravesical Bacillus-Calmette-Guerin in the Treatment of Female Patients with Interstitial Cystitis: A double-blinded Prospective Placebo Controlled Study
Darioush Irani,M Heidari,AA Khezri
Urology Journal , 2004,
Abstract: Purpose: To evaluate the efficacy and safety of intravesical Bacillus Calmette-Gurein injection in the treatment of female patients with interstitial cystitis. Materials and Methods: Thirty women meeting the National Institute of Arthritis, Diabetes, digestive and kidney diseases criteria for interstitial cystitis, were randomized in a double-blinded fashion in two groups each consisted of 15 patients to receive six, weekly instillation of 120 mg BCG vaccine of Iranian Institute of pastor or placebo. Periodic questionnaires on symptoms of interstitial cystitis, voiding diaries, bladder capacity at first desire to void, and maximum bladder capacity were obtained. Adverse events were closely monitored during the treatment and follow-up phases of the study. Subjective and objective baseline values were compared with the follow-up data. Results: With a mean follow-up of 24 (range 6 to 33) months 11 out of 15 (73%) in BCG group, and 3 out of 15 (20%) in placebo group responded to the treatment (P < 0.002). Responders were defined the patients with more than 40% improvement in the symptoms of interstitial cystitis. The global improvement in symptoms and signs of interstitial cystitis was 62%. Adverse events were similar in both groups, mostly irritative in nature and no significant systemic event was noted. BCG did not worsen interstitial cystitis symptoms. Conclusion: We concluded that intravesical BCG is safe, effective, available, and inexpensive with relatively durable results in the treatment of interstitial cystitis.
Can Lidocaine be Safely Used to Reduce Pain Caused by Intramuscular Penicillin Injections? A Short Literature Review
Amir Emami Zeydi,Hadi Darvishi Khezri
Oman Medical Journal , 2012,
Renal carcinoid tumor
Geramizadeh Bita,Khezri Abdolaziz,Shariat Mahmoud
Saudi Journal of Kidney Diseases and Transplantation , 2009,
Abstract: Primary renal carcinoid is a rare tumor, until now less than 50 cases of this tumor has been reported, so very little is known about its presentation clinicopathologic patterns and prognosis. We report a patient with primary carcinoid tumor of kidney in a middle-aged woman treated by nephrectomy and review the literature concerning this kind of neoplasm.
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