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266 results on '"Mhiri, R"'

23. Influence of Appendectomy Timing in the Pathological Outcome and the Morbidity of Acute Appendicitis in Children: A Retrospective Study

Author

Saloua Ammar, H. Zitouni, Hamdi Louati, Mhiri R, Jallouli M, Nasri A, and M. B. Dhaou

Subjects
medicine.medical_specialty, business.industry, General surgery, Retrospective cohort study, General Medicine, Disease, Emergency department, 030230 surgery, medicine.disease, Appendicitis, 03 medical and health sciences, 0302 clinical medicine, 030220 oncology & carcinogenesis, medicine, Presentation (obstetrics), Abscess, Complication, business, Pathological
Abstract

Introduction: Surgery is indicated for acute appendicitis but there is controversy regarding precise timing for appendectomy. Objective: Our aim was to evaluate the impact of time delay from emergency department presentation to surgery in developing complicated appendicitis in children and associated morbidity. Methods: 540 charts of children, who underwent appendectomy, between January 2013 and December 2016 were retrospectively reviewed. Groups were divided by time of intervention. Group 1: less than 24h (n=209, 38.7%), group 2: 24h to 48h (n=293, 54.5%), and group 3: greater than 48h (n=38, 6.8%). We considered complicated appendicitis gangrenous, abscess or perforated appendix per operatively and on histopathologic examination. Statically analysis and was performed to search the predictors of complicated appendicitis and evaluate postoperative complications. Results: Among 540 children included in the study, 164 (30.4%) had complicated acute appendicitis. There was no correlation between delay to surgery and the risk of developing a complicated form of the disease for group 1 and Group 2. Beyond the 48th h (group 3), the rate of developing complicated appendicitis and post-operative complications increased significantly. Hospital stay was not affected by delayed surgery. Conclusion: A short in-hospital delay before surgery less than 48 h, for acute appendicitis in child, is not associated with an increased rate of complex appendicitis neither associated morbidity.

Published
2018
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28. MIMO Modeling Approach for a Small Photovoltaic Reverse Osmosis Desalination System

Author

Chaaben, A. B., Andoulsi, R., Anis Sellami, and Mhiri, R.

Subjects
Renewable energy, Modelling, Photovoltaic, MIMO process, Desalination, Reverse osmosis, lcsh:Mechanical engineering and machinery, lcsh:TJ1-1570
Abstract

The most widely used desalination processes are based on membrane separation via reverse osmosis (RO) which has become an important process for desalting seawater and cleaning brackish water. The use of these processes requires an efficient control system. Consequently, it is necessary to establish a dynamic model of the system with experimental validation. This paper deals with a new modelling approach of a small photovoltaic reverse osmosis (PV-RO) desalination unit. The proposed model considers the unit as a Multi Input Multi Output (MIMO) process. The relations between the output variables and the input variables are given by the use of empirical transfer matrix. A state model of the unit is also given. Some experimental results are presented to validate the proposed model. As result, the obtained unit model can be easily used for a process control loop implementation in order to assure an optimum operating condition and to reduce the water product cost.

Published
2011

29. Ovarian masses in pediatric patients: a multicenter study of 98 surgical cases in Tunisia

Author

Abid, I., primary, Zouari, M., additional, Jallouli, M., additional, Sahli, S., additional, Bouden, A., additional, Ben Abdallah, R., additional, Trabelsi, F., additional, Jabloun, A., additional, Charieg, A., additional, Mrad, C., additional, Marzouki, M., additional, Mosbahi, S., additional, Ezzi, A., additional, Mootamri, R., additional, Hamzaoui, M., additional, Kaabar, N., additional, Jlidi, S., additional, Nouri, A., additional, and Mhiri, R., additional

Published
2017
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33. Ovarian masses in pediatric patients: a multicenter study of 98 surgical cases in Tunisia.

Author

Abid, I., Zouari, M., Jallouli, M., Sahli, S., Bouden, A., Ben Abdallah, R., Trabelsi, F., Jabloun, A., Charieg, A., Mrad, C., Marzouki, M., Mosbahi, S., Ezzi, A., Mootamri, R., Hamzaoui, M., Kaabar, N., Jlidi, S., Nouri, A., and Mhiri, R.

Subjects
OVARIAN diseases, OVARIECTOMY, GYNECOLOGIC cancer, CANCER in women, TUMORS
Abstract

Copyright of Gynecological Endocrinology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018
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