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Atef Darwish,Dina Darwish 제주대학교 의과학연구소 2023 The Journal of Medicine and Life Science Vol.20 No.1
This study reports a rare case of broad ligament abdominal ectopic pregnancy (EP). Interventions included preoperative transabdominal and transvaginal ultrasonography and operative laparoscopy. Successful extraction of the EP, followed by suturing of the mesosalpinx, was performed. Laparoscopic fertility-preservation treatment of broad ligament EP is valuable for women during the childbearing period.
Atef Darwish,Ibrahim Mohammad,Samuel Gendy,Dina Darwish,Mohammad Ramdan 제주대학교 의과학연구소 2024 The Journal of Medicine and Life Science Vol.21 No.2
The purpose of this prospective study was to investigate whether office hysteroscopy (OH) can be used to assess the mechanisms of action of progestogen-only contraceptives (POCs), diagnose possible local causes of abnormal uterine bleeding (AUB), and support the treatment plan of symptomatic patients using POCs compared with those who do not use hormones. The study included 140 women who were divided into two groups. Group A consisted of 70 women who used POCs, whereas group B consisted of 70 women who did not use hormones. They were successively examined using transvaginal ultrasonography (TVS), OH, and endometrial sampling. The TVS results were consistent with those of OH and histopathology. The changes in endometrial thickness and vasculature, as well as fallopian tube (FT) functions, were significantly more pronounced in POC users than in non-POC users. There was a significant reduction in the peristalsis of the proximal part of the FT, as well as a reduction in the bubble flow test in group A compared with group B. In addition, the combination of peristalsis and the bubble flow test (Darwishscope test) was significantly lower in group A. It was concluded that using OH as a simple diagnostic tool in women with POCs would contribute to a better understanding of the mechanisms of endometrial and FT effects and explain some local endometrial causes of AUB. This ensures that the combination of TVS and OH would limit routine endometrial sampling in POCs users.
Atef M. M. Darwish,Dina A. M. Darwish,Yasser Abdelaal 제주대학교 의과학연구소 2023 The Journal of Medicine and Life Science Vol.20 No.2
Patients with essential thrombocythemia (ET) can undergo laparoscopy without international precautions. This case report describes an ET with a mild increase in the platelet count that developed after laparoscopic surgery and prolonged intraperitoneal bleeding. The patient underwent intensive postoperative medical and surgical treatments until cured. Patients with ET should provide informed consent for post-laparoscopic bleeding. Surgeons should perform optimal hemostasis. Further studies are required to provide clear guidelines for both medical and surgical interventions aimed at preventing thrombo-hemorrhagic complications associated with ET. A preoperative study of platelet function and the selection of the best cytotoxic drug for the perioperative period are mandatory.
Atef M. M. Darwish,Dina A. M. Darwish,Ahmed Dervis 제주대학교 의과학연구소 2022 The Journal of Medicine and Life Science Vol.19 No.3
This case report describes a case of isolated (not associated with other anomalies) lower vaginal hypoplasia complicated by megalourethra (urethral dilatation) due to frequent urethral sexual intercourse in a regularly menstruating (hypomenorrheic) woman. The patient was a 24-year-old woman who underwent transperineal ultrasonography as well as magnetic resonance imaging followed by sequential cystoscopic and vaginoscopic examinations. Finally, a pull-through procedure was used to create a new vagina. The main outcome measure was patent vagina formation. The procedure successfully corrected isolated lower vaginal hypoplasia. The postoperative course was smooth, with the restoration of regular intercourse in the correct location. It was concluded that all gynecologists should have increased awareness of rare female genital anomalies to avoid serious sequelae, particularly in newly married patients.
Atef M.M. Darwish,Dina A.M. Darwish Institute for Medical Science 2023 The Journal of Medicine and Life Science Vol.20 No.4
This study prospective randomized controlled trial aims to test the impact of adding health education, awareness of some contributing factors and clinical guidance to therapeutic cabergoline given to infertile women with unexplained resistant hyperprolactinemia. It comprised 120 infertile women with unexplained persistent hyperprolactinemia not responding to therapeutic doses of cabergoline 1.5-2 mg/week who were subjected to proper history taking to exclude concomitant drug intake or possible brain problems in all cases. They were classified into group A (60 cases) who received health education and clinical guidance to search for possible contributing factors and were instructed to avoid them in addition to proper therapeutic doses of cabergoline, while group B (60 cases) received proper therapeutic doses of cabergoline only without clinical guidance. After 1 month, serum prolactin (PRL) was measured for all cases. All cases had high PRL level at the start of the study (79.9±28.4 [39-195] and 78.2±19.9 [42-189] in group A and B, respectively) without any significant difference. Pretreatment counselling revealed that lifestyle factors, sexual behaviors or feeding habits may contribute to resistant hyperprolactinemia in all cases without a significant difference between both groups. Serum PRL dropped significantly more in group A (20.14±10.31 [11-45] vs. 49.32±37.03 [12-100]) after combined health education, clinical guidance of the couple and proper treatment. It is concluded that lifestyle factors, sexual behaviors, and feeding habits would affect the response of hyperprolactinemia to treatment. Health education and clinical guidance with some advice to avoid them, would concomitantly improve the response of resistant hyperprolactinemia to therapeutic doses of dopamine agonists.
NEIGHBORHOODS OF CERTAIN SUBCLASSES OF ANALYTIC FUNCTIONS WITH NEGATIVE COEFFICIENTS
Darwish, Hanan E.,Aouf, Mohamed K. Korean Mathematical Society 2011 대한수학회보 Vol.48 No.4
The main object of this paper is to prove several inclusion relations associated with (j, ${\delta}$)-neighborhoods of various subclasses defined by Salagean operator by making use of the familiar concept of neighborhoods of analytic functions. Special cases of some of these inclusion relations are shown to yield known results.
Behavior of self supported transmission line towers under stationary downburst loading
Darwish, Mohamed M.,El Damatty, Ashraf A. Techno-Press 2011 Wind and Structures, An International Journal (WAS Vol.14 No.5
During the past decade, many electrical transmission tower structures have failed during downburst events. This study is a part of a research program aimed to understand the behaviour of transmission lines under such localized wind events. The present study focuses on assessing the behaviour of self supported transmission line towers under downburst loading. A parametric study is performed to determine the critical downburst configurations causing maximum axial forces for various members of a tower. The sensitivity of the internal forces developing in the tower's members to changes in the downburst size and location was studied. The structural behaviour associated with the critical downburst configurations is described and compared to the behaviour under 'normal' wind loads.
Darwish, Mohamed M.,El Damatty, Ashraf A.,Hangan, Horia Techno-Press 2010 Wind and Structures, An International Journal (WAS Vol.13 No.4
During the past decade, many electrical transmission tower structures have failed during downburst events. This study is a part of a research program aimed to understand the behaviour of transmission lines under such localized wind events. The present study focuses on the assessment of the dynamic behaviour of the line conductors under downburst loading. A non-linear numerical model, accounting for large deformations and the effect of pretension loading, is developed and used to predict the natural frequencies and mode shapes of conductors at various loading stages. A turbulence signal is extracted from a set of full-scale data. It is added to the mean component of the downburst wind field previously evaluated from a CFD analysis. Dynamic analysis is performed using various downburst configurations. The study reveals that the response is affected by the background component, while the resonant component turns to be negligible due large aerodynamic damping of the conductors.