Percutaneous Management of Ureteral Injuries that are Diagnosed Late After Cesarean Section

Bahri Ustunsoz,Sahin Ugurel,Namik Kemal Duru,Yasar Ozgok,Ayfer Ustunsoz 대한영상의학회 2008 Korean Journal of Radiology Vol.9 No.4

Objective: We wanted to present the results of percutaneous management of ureteral injuries that were diagnosed late after cesarean sections (CS). Materials and Methods: Twenty-two cases with 24 ureteral injuries that were diagnosed late after CS underwent percutaneous nephrostomy (PN), antegrade double J (DJ) catheter placement and balloon dilatation or a combination of these. The time for making the diagnosis was 21 50.1 days. The injury site was the distal ureter in all cases (the left ureter: 13, the right ureter: 7 and bilateral: 2). Fifteen complete ureteral obstructions were detected in 13 cases. Ureteral leakage due to partial (n = 4) or complete (n = 3) rupture was noted in seven cases. Two cases had ureterovaginal fistula. All the cases were initially confirmed with antegrade pyelography and afterwards they underwent percutaneous nephrostomy. Balloon dilatation was needed in three cases. Antegrade DJ stents were placed in 10 cases, including the three cases with balloon dilatation. Repetititon of percutaneous nephrostomy with balloon dilatation and DJ stent placement was needed in one case with complete obstruction. All the cases were followed-up with US in their first week and then monthly thereafter for up to two years. Results: Eighteen ureters (75%) were managed by percutaneous procedures alone. A total of six ureter injuries had to undergo surgery (25%). Conclusion: Percutaneous management is a good alternative for the treatment of post-CS ureteral injuries that are diagnosed late after CS. Percutaneous management is at least preparatory for a quarter of the cases where surgery is unavoidable. Objective: We wanted to present the results of percutaneous management of ureteral injuries that were diagnosed late after cesarean sections (CS). Materials and Methods: Twenty-two cases with 24 ureteral injuries that were diagnosed late after CS underwent percutaneous nephrostomy (PN), antegrade double J (DJ) catheter placement and balloon dilatation or a combination of these. The time for making the diagnosis was 21 50.1 days. The injury site was the distal ureter in all cases (the left ureter: 13, the right ureter: 7 and bilateral: 2). Fifteen complete ureteral obstructions were detected in 13 cases. Ureteral leakage due to partial (n = 4) or complete (n = 3) rupture was noted in seven cases. Two cases had ureterovaginal fistula. All the cases were initially confirmed with antegrade pyelography and afterwards they underwent percutaneous nephrostomy. Balloon dilatation was needed in three cases. Antegrade DJ stents were placed in 10 cases, including the three cases with balloon dilatation. Repetititon of percutaneous nephrostomy with balloon dilatation and DJ stent placement was needed in one case with complete obstruction. All the cases were followed-up with US in their first week and then monthly thereafter for up to two years. Results: Eighteen ureters (75%) were managed by percutaneous procedures alone. A total of six ureter injuries had to undergo surgery (25%). Conclusion: Percutaneous management is a good alternative for the treatment of post-CS ureteral injuries that are diagnosed late after CS. Percutaneous management is at least preparatory for a quarter of the cases where surgery is unavoidable.

Towards Understanding Tajikistan’s Sociolinguistically Complex Language Ecology: Historical Development, Current Status, Issues, Research, Policy and Practice

Bahry Stephen A.,Olimnazarova Tojiniso 한양대학교 아태지역연구센터 2023 Journal of Eurasian Studies Vol.14 No.2

Tajikistan, at the heart of Central Eurasia, had a population of 7,563,687 in 2010, estimated recently to be almost 10,084,935. Named for its majority nationality, Tajikistan has many other nationalities, most with their own language. This article explores what is known about the historical, development and current status of multiple languages in Tajikistan’s linguistic tapestry. We provide a tentative overview of Tajikistan’s evolving language ecology from earliest times when a range of Eastern Iranian languages were dominant, to the reduced use of Eastern Iranian languages following the entry of Arabic and New Persian (a western Iranian language) into the ecology with the Arab conquest, and the subsequent entry of Turkic languages, and more recently the entry of Russian under the late Russian empire and its spread under the Soviet Union. Following independence in 1991, a shift in balance among domains of use of Tajik and Russian has been ongoing at the same time as international languages, especially English, have entered Tajikistan’s language ecology. We review the current state of knowledge about contemporary sociolinguistic dynamics, monolingualism and plurilingualism in society, where the titular language, Tajik/Persian, is in interaction with local, regional and global languages. Against the background of changing post-independence language and language-in-education policies, we discuss the prospects for monolingual, multilingual and plurilingual education in Tajikistan among efforts to promote the official language, Tajik, and to provide minority language education, while also developing proficiency in foreign languages in Tajikistan, through initiatives such as English-medium instruction.

On the integral cohomology ring of toric orbifolds and singular toric varieties

Bahri, Anthony,Sarkar, Soumen,Song, Jongbaek Elsevier Science B.V., Amsterdam 2017 Algebraic & geometric topology Vol.17 No.6

Knowledge, Attitudes and Practice about Pap Smear Test among Women Living in Bojnourd, North East of Iran: a Population-Based Study

Bahri, Narjes,Jajvandian, Roya,Bolandhemmat, Maryam,Najmabadi, Khadigeh Mirzaii Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.5

Background: The aim of the study was to assess the extent of knowledge, attitudes and practical behavior of women in Bojnourd conerning the Pap smear test. Materials and Methods: This cross-sectional and population-based study was conducted with 1000 Iranian women aged 15-60 years old in Bojnourd city. In order to collect the data, a validated questionnaire was provided in four sections covering demographic information and questions about knowledge, attitude and practice about the Pap smear. Statistical analysis was performed with the Statistical Package for Social Sciences (version 17.0) applying a 0.05 significance level. Results: Evaluation of knowledge showed that 146 women (14.6%) had very weak, and 594 women (59.4%) had weak knowledge. In contrast, most of the women studied, 873 (87.3%), had a positive attitude toward the Pap smear test. According to the findings, 375 women (37.6%) had done this test so far. Findings indicated that the extent of knowledge had a meaningful relationship with the attitude status (p<0.0001). Also, there was a meaningful relationship between knowledge and practice, so that the weakest practice was seen in women who had weak knowledge (61.1%), (p<0.0001). Conclusions: According to findings of this research, most women do not have an appropriate knowledge about the necessity of having the Pap smear test, so that only a low percentage of women had undergone this test.

Designing Statistical Test for Mean of Random Profiles

Bahri, Mehrab,Hadi-Vencheh, Abdollah Korean Institute of Industrial Engineers 2016 Industrial Engineeering & Management Systems Vol.15 No.4

A random profile is the result of a process, the output of which is a function instead of a scalar or vector quantity. In the nature of these objects, two main dimensions of "functionality" and "randomness" can be recognized. Valuable researches have been conducted to present control charts for monitoring such processes in which a regression approach has been applied by focusing on "randomness" of profiles. Performing other statistical techniques such as hypothesis testing for different parameters, comparing parameters of two populations, ANOVA, DOE, etc. has been postponed thus far, because the "functional" nature of profiles is ignored. In this paper, first, some needed theorems are proven with an applied approach, so that be understandable for an engineer which is unfamiliar with advanced mathematical analysis. Then, as an application of that, a statistical test is designed for mean of continuous random profiles. Finally, using experimental operating characteristic curves obtained in computer simulation, it is demonstrated that the presented tests are properly able to recognize deviations in the null hypothesis.

Analysis and modeling of exhaust gas temperature in an ethanol fuelled HCCI engine

Bahram Bahri,Azhar Abdul Aziz,Mahdi Shahbakhti,Mohd Farid Muhamad Said 대한기계학회 2013 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.27 No.11

Low exhaust temperature in homogeneous charge compression ignition (HCCI) significantly limits efficiency of an exhaust aftertreatment system to mitigate high HC and CO emissions in HCCI engines. This article aims to understand the effect of varying input parameters on HCCI exhaust gas temperature (Texh) for an ethanol fuelled engine. A single cylinder engine is used to collect experimental data at 100 different HCCI conditions. The results indicate that variation in combustion parameters such as start of combustion (SOC), burn duration (BD) and maximum in-cylinder pressure (Pmax) are not effectively correlated with variations of Texh, but the indicated mean effective pressure (IMEP) and constant-volume adiabatic flame temperature (Tad) are strongly related to Texh. These experimental findings were then used to design an artificial neural network (ANN) model to predict Texh. The model was validated with the experimental data, indicating an average error less than 4.5°C between predicted and measured Texh.

Microbial Consortia in Oman Oil Fields: A Possible Use in Enhanced Oil Recovery

( Al Bahry Saif N ),( Abdulkader E. Elsahfie ),( Yahya M. Al Wahaibi ),( Ali S. Al Bimani ),( Sanket J. Joshi ),( Ratiba A. Al Maaini ),( Wafa J. Al Alawai ),( Yuichi Sugai ),( Mussalam Al Mandhari ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.1

Microbial enhanced oil recovery (MEOR) is one of the most economical and efficient methods for extending the life of production wells in a declining reservoir. Microbial consortia from Wafra oil wells and Suwaihat production water, Al-Wusta region, Oman were screened. Microbial consortia in brine samples were identified using denaturing gradient gel electrophoresis and 16S rRNA gene sequences. The detected microbial consortia of Wafra oil wells were completely different from microbial consortia of Suwaihat formation water. A total of 33 genera and 58 species were identified in Wafra oil wells and Suwaihat production water. All of the identified microbial genera were first reported in Oman, with Caminicella sporogenes for the first time reported from oil fields. Most of the identified microorganisms were found to be anaerobic, thermophilic, and halophilic, and produced biogases, biosolvants, and biosurfactants as by-products, which may be good candidates for MEOR.

Designing Statistical Test for Mean of Random Profiles

Mehrab Bahri,Abdollah Hadi-Vencheh 대한산업공학회 2016 Industrial Engineeering & Management Systems Vol.15 No.4

A random profile is the result of a process, the output of which is a function instead of a scalar or vector quantity. In the nature of these objects, two main dimensions of “functionality” and “randomness” can be recognized. Valuable researches have been conducted to present control charts for monitoring such processes in which a regression approach has been applied by focusing on “randomness” of profiles. Performing other statistical techniques such as hypothesis testing for different parameters, comparing parameters of two populations, ANOVA, DOE, etc. has been postponed thus far, because the “functional” nature of profiles is ignored. In this paper, first, some needed theorems are proven with an applied approach, so that be understandable for an engineer which is unfamiliar with advanced mathematical analysis. Then, as an application of that, a statistical test is designed for mean of continuous random profiles. Finally, using experimental operating characteristic curves obtained in computer simulation, it is demonstrated that the presented tests are properly able to recognize deviations in the null hypothesis.

Inbreeding affected differently on observations distribution of a growth trait in Iranian Baluchi sheep

Binabaj Fateme Bahri,Farhangfar Seyyed Homayoun,Jafari Majid 아세아·태평양축산학회 2021 Animal Bioscience Vol.34 No.4

Objective: Initial consequence of inbreeding is inbreeding depression which impairs the performance of growth, production, health, fertility and survival traits in different animal breeds and populations. The effect of inbreeding on economically important traits should be accurately estimated. The effect of inbreeding depression on growth traits in sheep has been reported in many breeds. Based on this, the main objective of the present research was to evaluate the impact of inbreeding on some growth traits of Iranian Baluchi sheep breed using quantile regression model. Methods: Pedigree and growth traits records of 13,633 Baluchi lambs born from year 1989 to 2016 were used in this research. The traits were birth weight, weaning weight, six-month weight, nine-month weight, and yearling weight. The contribution, inbreeding and co-ancestry software was used to calculate the pedigree statistics and inbreeding coefficients. To evaluate the impact of inbreeding on different quantiles of each growth trait, a series of quantile regression models were fitted using QUANTREG procedure of SAS software. Annual trend of inbreeding was also estimated fitting a simple linear regression of lamb’s inbreeding coefficient on the birth year. Results: Average inbreeding coefficient of the population was 1.63 percent. Annual increase rate of inbreeding of the flock was 0.11 percent (p<0.01). The results showed that the effect of inbreeding in different quantiles of growth traits is not similar. Also, inbreeding affected differently on growth traits, considering lambs’ sex and type of birth. Conclusion: Quantile regression revealed that inbreeding did not have similar effect on different quantiles of growth traits in Iranian Baluchi lambs indicating that at a given age and inbreeding coefficient, lambs with different sex and birth type were not equally influenced by inbreeding. Objective: Initial consequence of inbreeding is inbreeding depression which impairs the performance of growth, production, health, fertility and survival traits in different animal breeds and populations. The effect of inbreeding on economically important traits should be accurately estimated. The effect of inbreeding depression on growth traits in sheep has been reported in many breeds. Based on this, the main objective of the present research was to evaluate the impact of inbreeding on some growth traits of Iranian Baluchi sheep breed using quantile regression model.Methods: Pedigree and growth traits records of 13,633 Baluchi lambs born from year 1989 to 2016 were used in this research. The traits were birth weight, weaning weight, six-month weight, nine-month weight, and yearling weight. The contribution, inbreeding and co-ancestry software was used to calculate the pedigree statistics and inbreeding coefficients. To evaluate the impact of inbreeding on different quantiles of each growth trait, a series of quantile regression models were fitted using QUANTREG procedure of SAS software. Annual trend of inbreeding was also estimated fitting a simple linear regression of lamb’s inbreeding coefficient on the birth year.Results: Average inbreeding coefficient of the population was 1.63 percent. Annual increase rate of inbreeding of the flock was 0.11 percent (p<0.01). The results showed that the effect of inbreeding in different quantiles of growth traits is not similar. Also, inbreeding affected differently on growth traits, considering lambs’ sex and type of birth.Conclusion: Quantile regression revealed that inbreeding did not have similar effect on different quantiles of growth traits in Iranian Baluchi lambs indicating that at a given age and inbreeding coefficient, lambs with different sex and birth type were not equally influenced by inbreeding.

In-Vitro Regeneration of Olive Tree by Somatic Embryogenesis

Trabelsi, El Bahri,Bouzid, Sadok,Bouzid, Monji,Elloumi, Nedra,Belfeleh, Zina,Benabdallah, Abdallah,Ghezel, Rachida 한국식물학회 2003 Journal of Plant Biology Vol.46 No.3

We induced somatic embryogenesis from the cotyledon segments of Olea europea (L) cvs, 'Chetoui', 'Chemleli', and 'Arbequina' . Calli were established from all three cultivars on OMc media supplemented with IBA and 2i-P. The greatest success was obtained with media that contained zero or low concentrations of growth regulators. High levels of hormones (i.e.,>0.5 mgL^(-1) IBA and 2i-P) inhibited embryogenesis. Embryos at different maturation stages were observed with continuously proliferating secondary embryogenesis. Abnormally shaped embryos and teratoma were also noted. Four weeks was the optimal incubation period for inducing embryogenesis on the auxincontaining medium. In addition, 30 to 40 gL^(-1) sucrose was more effective than glucose in stimulating the growth and maturation of somatic embryos. Embryogenic efficiency was also higher when multivariate combinations of nitrogen sources (inorganic and organic nitrogen forms) were used. The plantlets that were derived from our germinating somatic embryos were similar to those obtained from axillary buds.