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Article
THE VALUE OF SIGNS AND SYMPTOMS IN THE DIAGNOSIS OF SPERMATIC CORD TORSION

Authors: Noori H Jasim --- Adnan O Al Mayyahi --- Salah Aldeen M Al Hakee
Journal: Basrah Journal of Surgery مجلة البصرة الجراحية ISSN: 16833589 / ONLINE 2409501X Year: 2015 Volume: 21 Issue: 2 Pages: 22-33
Publisher: Basrah University جامعة البصرة

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Abstract

Abstract The aim of this study is to evaluate the most useful clinical signs and symptoms in the diagnosis of spermatic cord torsion, and so decreasing unnecessary surgical exploration and testicular loss rates for these patients. Between August 2013 and November 2014, patients with suspected spermatic cord torsion were included in this study; patient case sheets were prepared; history, examination, imaging, and post-operative results were recorded. The patients then divided into non-torsion and torsion groups, the torsion group further subdivided into salvaged and orchiectomy groups. Data evaluated and correlated with the result of the surgical exploration. Seventy-seven patients were included, 11 (15%) patients without torsion and 66 (85%) with torsion. Of the torsion group 35 (53%) were salvaged while orchiectomy done to the remaining 31 (47%). The patients' age ranged from 1 to 29 years with a mean of 16.22 years with standard deviation of 6 years, and they commonly presented during winter months, the salvageability rate decline with increase duration of symptoms especially after 24 hours. There were a significant difference (p<0.05) between torsion and non-torsion groups in the testis lay, testis orientation, cremasteric reflex, high riding testis, left side, and cord knotting. There were significant difference (p<0.05) between salvaged and orchiectomy groups in duration of symptom, onset of symptom, and in presence of scrotal edema.A univariate analysis showed that the pain was very sensitive but lacks specificity; the duration less than 6 hours, abnormal lay, absent cremasteric reflex, high riding testis, abnormal orientation, presence of cord knot, and presence of nausea and vomiting are highly specific.The multivariate analysis then repeated for combination of nausea and vomiting, high riding testis, abnormal lay, and absence of cremasteric reflex; showed 100% specificity if three and more of these four feature were present. In conclusion, careful history and physical examination can aid diagnosis of testicular torsion, no clinical signs and symptoms were highly specific and sensitive for torsion, and a constellation of clinical feature can aid the diagnosis.

Keywords

SPERMATIC CORD --- TORSION


Article
Torsional Behavior of Reinforced Concrete Hollow Core Beams
سلوك اللي للأعتاب الخرسانية المسلحة المجوفة

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Abstract

The aim of this work is to study the behavior of reinforced concrete hollow beams under torsion load. The experimental work includes investigation of eight reinforced concrete rectangular beams of dimension (length 2000 x height 240 x width170 mm) with the same reinforcing ratios, tested under pure torsion. Two beam sections are provided: solid and hollow section with varied shape and percentage (circular 18%, rectangular 18% & 27% of total cross section area of beam). Variables considered in the test program include; effect of hollow shape & area and concrete type (normal and high strength). Test results were discussed based on torque - twist behavior, beam elongations, behavior and influence of hollow core on cracking torque, ultimate torque and failure modes. Test results indicate that the ultimate torque for hollow sections is about 89% for Circular ( hollow ratio 18%) and 83% and 60% for rectangular, of hollow ratio 18% & 27% respectively of solid beam. The high strength concrete type in solid beam gave an increase in the cracking and ultimate torque by about 100% and 66% respectively and an increase in the ultimate torque was observed by about (63%, 60%, 62%) for circular (18% ratio), rectangular (18% ratio) and rectangular (27% ratio) respectively.

ان الهدف من هذا البحث هو لدراسة تصرف الأعتاب الخرسانية المسلحة المجوفة المقطع تحت حمل اللي. البرنامج العملي يشمل تحري وسلوك ثماني أعتاب خرسانيه مسلحه مستطيله وبأبعاد ( طول 2000 ملم وارتفاع 240 ملم وعرض 170 ملم ) بنفس نسبه حديد التسليح, فحصت تحت حمل اللي. الأعتاب كانت بمقطعين صلدة ومجوفة (بأشكال ومساحات مختلفة الدائرية 18% و مستطيلة 18 % و 27 % نسبه إلى مساحة المقطع العرضي للعتبة). شملت المتغيرات التي أخذت بنظر الاعتبار في برنامج الفحص : مساحة وشكل التجويف ونوع الخرسانة ( اعتيادية آو عاليه المقاومة). اعتمدت النتائج على مناقشة سلوك عزم الدوران – الالتواء واستطالة العتبات وسلوك وتأثير اللب المجوف على تشقق عزم الدوران وعزم الدوران الأقصى وأنماط الفشل. بينت نتائج الفحص أن عزم الدوران الأقصى للمقاطع المجوفة كانت تقريبا 89% للمقطع الدائري( وبنسبه تجويف 18%) و 83% و 60 % للمقاطع ألمستطيله (وبنسبه تجويف 18% و 27 %) على التوالي من المقطع الصلد. ان الخرسانة عاليه المقاومة في الأعتاب الصلدة تزيد من عزم الدوران التشقق والأقصى بمقدار (100% و 66 %) على التوالي وتزيد عزم الدوران الأقصى بمقدار ( 63% و 60% و 62% ) للمقاطع المجوفة ( الدائرية (18%) ,المستطيلة (18%) والمستطيلة (27%) على التوالي.


Article
Torsional Behavior of Steel Fibers Reinforced Self-Compacting Concrete Beams
سلوك اللي للعتبات الخرسانية المسلحة ذاتية الرص الحاوية على الالياف الحديدية

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Abstract

This research investigates experimentally torsional behavior of steel fibers reinforced self-compacting concrete beams with variables including steel fibers volume fraction(0.4% and 0.8%), reinforced with steel bars or non-reinforced self-compacting concrete beams and spacing of transverse steel bars reinforcement.The experimental work includes investigation of nine beams tested under pure torsion and divided into three groups. Group (A) represents the non-fibrous normal strength SCC beams. Group (D) covers the fibrous normal strength SCC beams with steel fibers content (Vf) of 0.4%, and finally group (E) is fibrous normal strength SCC with steel fibers content (Vf) of 0.8%. Test results are discussed based on torque-twist behavior.

تبحث هذه الدراسة عمليا سلوك اللي للعتبات الخرسانية الحاوية على الالياف الحديدية المسلحة ذاتية الرص بمتغيرات تشمل نسبة حجم الالياف الحديدية (0.4% و0.8%), التسليح او عدم التسليح بالقضبان الحديدية للعتبات الخرسانية ذاتية الرص والمسافات الفاصلة بين حديد التسليح العرضي (الاطواق). يتضمن الجزء العملي دراسة سلوك تسعة عتبات تم فحصها تحت تأثير اللي حيث تم تقسيم العتبات الى ثلاث مجموعات. المجموعة (أ) تشير الى العتبات الخرسانية اعتيادية المقاومة ذاتية الرص, المجموعة (د) تشير الى العتبات الخرسانية اعتيادية المقاومة ذاتية الرص والحاوية على الياف الحديد بنسبة حجمية (0.4%) واخيرا المجموعة (ي) تشير الى العتبات الخرسانية اعتيادية المقاومة ذاتية الرص والحاوية على الياف الحديد بنسبة حجمية (0.8%). تمت مناقشة النتائج اعتمادا على تصرف اللي - الدوران واستطالة العتبات.

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