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Articles by A. Khosravi
Total Records ( 4 ) for A. Khosravi
  S. Nikakhlagh , F. Rahim , G. Saki , A. Khosravi , H. Rekabi and N. Saki
  The aim of this retrospective study was investigating the anatomical position and causes of deep neck infections as well as detection of the relation of these variables with age and gender of the patients. In this study, patient with primary deep neck infections referred to ear, nose and throat ward during 1998 to 2009, were studied. After definite diagnosis of infection in head and neck spaces, the exact infection-causing agent and its complications were reviewed. Furthermore, age and sex of patients, co-existing symptoms, bacterial culture results causing the infection, disease background, presence or absence of addiction reviewed and information obtained in the questionnaire were recorded. For comparison Chi-square test was used. The most common cause of deep neck infection, was dental infection in 130 patients [(49%); 78, male; 52, female] followed by tonsillar infection in 44 patients (16.6%). The deep neck infection space types: simultaneous spaces includes sub-mandibular, sub-mental, sub-lingual (Ludwig's angina) in 59 patients (45.4%), then sub-mandibular space in 54 patients (41.5 %) and para-pharyngeal space in 32 patients (24.6%) were more common. Bacterial culture were done only in 50 patients, of which, 28 cases of bacterial growth occurred. The most common organism was streptococcus viridians in 18 patients. The deep neck infections are dangerous and life-threatening that often occurs due to dental infections. Therefore, it seems that promote public knowledge about oral health, to increase the need of dental and treatment centers, timely cure and manage the infections, which play an important role in reducing the deep neck infections.
  S.M. Mousavi , S.S. Mirzargar , H. Ebrahim Zadeh Mousavi , R. Omid Baigi , A. Khosravi , A. Bahonar and M.R. Ahmadi
  The aim of this study was introducing a new herbal constitution for malachite green in hatcheries. In this study, antifungal activities of a new Combination of Essential Oils (CEO) from the herbs; Thymus vulgaris, Salvia officinalis, Eucalyptus globulus and Mentha piperita in Oncorhynchus mykiss eggs and its effects on hatching rate in comparison with malachite green (a specific treatment for the control of saprolegniasis) were studied. After fertilization, eggs were transferred to incubators and then treated with five concentration of the combined essential oils with concentrations: 10, 50, 100, 150 and 200 ppm, respectively and malachite green (1 ppm) using constant flow treatment method for incubation period. One incubator was as control without any treatment The water quality factors were controlled over the study period. In the end of hatching rate, the mold infection and hatching rate were calculated. The hatching percentage in five treatment groups of CEO were 69.99% at 10 ppm, 63.61% at 50 ppm, 62.1% at 100 ppm, 60.53% at 150 ppm, 54.63% at 200 ppm, 60%. 83 at 1 ppm of malachite green group and 53.48% in control group, respectively. The results revealed significant antifungal effects of the combined essential oils in comparison with malachite green on fish eggs so that it could decrease mold infection and increase hatching rate on concentration 10 ppm (p < 0.05). This indicated that this combination of essential oils may be a promising antifungal agent in aquaculture.
  H.A.E. Mousavi , M. Soltani , A. Khosravi , S.M. Mood and M. Hosseinifard
  The goal of the this study was to identify Saprolegniaceae fungi isolated from affected rainbow trout eggs in six hatcheries in Mazandaran Province (Northern Iran) from December 2006 to February 2007. The isolated oomycetes were classified according to their morphological characteristics on hemp seed media at 18-24°C. Seven fungal species belonging to three genera of Saprolegnia, Achlya and Brevilegnia were identified. The fungal species were morphologically characterized as S. parasitica, S. mixta, S. monilifera, Saprolegnia sp., A. oblongata, Achlya sp. and Brevilegnia sp. This is the first recorded oomycetes infection in rainbow trout hatcheries in Iran.
  M. Zakizad , F. Salmeh , T. Yaghoobi , M. Yaghoubian , M.B. Nesami , Z. Esmaeeli , N. Vaezzadeh , S. Shahmohammadi , S. Modanloo , A.A. Sadeghian , S.J. Abdolmanafi , R.A. Mohammadpour , H. Siamian and A. Khosravi
  The aim of this study was to determine the seroprevalence of hepatitis C infection and associated risk factors among addicted prisoners in Sari-Iran. This is a simple random sampling cross sectional study that was performed on 312 addicted prisoner men at Khazarabad addicts' prison in Sari/Iran in September 2001. Their blood samples were examined through third generation enzyme immunoassay. Data were collected through questionnaires and interview. Associated risk factors were compared in 82 hepatitis C antibody positive addicts (the affected group) and 148 hepatitis C antibody negative addicts (the unaffected group). Out of 312 addicted prisoners, 96 were hepatitis C anti body positive. The seroprevalence of hepatitis C infection was found to be 30.8%. Major associated risk factors in the affected group were as follows: duration of addiction, duration of imprisonment (mean 48 months), route of drug administration, length of alcohol consumption, tattooing, shared usage of needles and razors, multiple sexual partners and type of drugs (p<0.05). On multivariate logistic regression analysis these factors were found to be significant independent risk factors for HCV infection: tattooing (OR 100, 95% CI), multiple sexual partners (OR 4.97, 95% CI) and history of surgery (OR 6.23, 95% CI). It is concluded that hepatitis C infection had a considerable prevalence in addicted prisoners. High risk and unsafe behaviors were found to be the main factors of contamination.
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