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| 1 | 镍钛形状记忆合金细胞相容性和生物力学兼容性的改进显示文摘镍钛记忆合金(NiTi)生物材料器件的发展,迫切要求研究和提高其细胞相容性和生物力学性能。依据美国材料测试标准协会(ASTM)的标准,我们研究表明:NiTi的细胞毒性比纯钛、Ti6A14V和316L不锈钢大,在NiTi表面作聚合四氟乙烯高离子(PPTFE)喷涂。可降低NiTi合金的细胞毒性,提高其抗腐蚀力。各种热处理方法可改善其疲劳性能,循环拉伸强度试验可测出其超弹性性能的衰减。 | L’H Yahia S.Lombardi N.Hagemeister G.Drouin C.H. Rivard M .Assad Okuyaman(Biomechanical-Biomaterials Research Group, Biomedical Engineering Institute, Ecole Polytechnique de Montreal,Canada)(Department of Orthopaedic Surgery,Hospital St.Justine, Montreal, | 1995 | 医用生物力学1995，10，2： | 9 |
| 2 | Contrast induced neurotoxicity following coronary angiogram with Iohexol in an end stage renal disease patient显示文摘Neurotoxicity is an infrequent adverse reaction to iodinated contrast agents. Contrast induced neurotoxicity following coronary angiogram is very rare. Renal disease is a risk factor for contrast induced neurotoxicity. We report a case of contrast induced neurotoxicity following coronary angiogram and intervention using Iohexol(Omnipaque 350) in an end stage renal disease patient on peritoneal dialysis who had prior exposure to iodinated contrast without any adverse reaction. Hemodialysis had to be initiated for rapid removal of the contrast agent with subsequent complete resolution of neurological deficits. This case highlights the need for interventionalists to be aware of an important adverse reaction to iodinated contrast agents, especially in individuals with renal dysfunction, and that neurotoxicity is a possibility even with prior uneventful exposures. The role and timing of hemodialysis in contrast induced neurotoxicity in patients with chronic kidney disease and in those without chronic kidney disease needs further deliberation. | Narasimha Swamy Gollol Raju Deepak Joshi Ramesh Daggubati Assad Movahed | 2015 | World Journal of Clinical Cases2015，3，11： | 8 |
| 3 | Treatment of hemorrhoids: A survey of surgical practice in Australia and New Zealand显示文摘BACKGROUND Hemorrhoidal disease is the most common anorectal disorder.Hemorrhoids can be classified as external or internal,according to their relation to the dentate line.External hemorrhoids originate below the dentate line and are managed conservatively unless the patient cannot keep the perianal region clean,or they cause significant discomfort.Internal hemorrhoids originate above the dentate line and can be managed according to the graded degree of prolapse,as described by Goligher.Generally,low-grade internal hemorrhoids are effectively treated conservatively,by non-operative measures,while high-grade internal hemorrhoids warrant procedural intervention.AIM To determine the application of clinical practice guidelines for the current management of hemorrhoids and colorectal surgeon consensus in Australia and New Zealand.METHODS An online survey was distributed to 206 colorectal surgeons in Australia and New Zealand using 17 guideline-based hypothetical clinical scenarios.RESULTS There were 82 respondents(40%)to 17 guideline-based scenarios.Nine(53%)reached consensus,of which only 1(6%)disagreed with the guidelines.This was based on low quality evidence for the management of acutely thrombosed external hemorrhoids.There were 8 scenarios which showed community equipoise(47%)and they were equally divided for agreeing or disagreeing with the guidelines.These topics were based on low and moderate levels of evidence.They included the initial management of grade I internal hemorrhoids,grade III internal hemorrhoids when initial management had failed and the patient had recognised risks factors for septic complications;and finally,the decision-making when considering patient preferences,including a prompt return to work,or minimal post-operative pain.CONCLUSION Although there are areas of consensus in the management of hemorrhoids,there are many areas of community equipoise which would benefit from further research. | George E Fowler Javariah Siddiqui Assad Zahid Christopher John Young | 2019 | World Journal of Clinical Cases2019，7，22： | 8 |
| 4 | Cardiac amyloidosis: A case report and review of literature显示文摘BACKGROUND Cardiac amyloidosis,a disease caused by the precipitation of amyloid proteins in the myocardial extracellular matrix has been historically difficult to diagnose due to lack of specific clinical manifestations and necessity of biopsy to demonstrate amyloid deposition. However,advances in cardiovascular imaging techniques have facilitated earlier recognition of this disease. In addition,while once thought of as incurable,treatment strategies are emerging for cardiac amyloidosis,making early diagnosis essential.CASE SUMMARY We outline the case of a 73 years old African American female who was admitted with sudden onset shortness of breath and found to be in cardiogenic shock.Cardiac amyloidosis was suspected due to discordance between electrocardiogram and echocardiogram findings and this was subsequently confirmed with the aid of scintigraphy and an endomyocardial biopsy.CONCLUSION Our objective is to highlight the diagnostic evaluation and clinical implications of cardiac amyloidosis. | Adeyemi Adedamola Taiwo Lavanya Alapati Assad Movahed | 2019 | World Journal of Clinical Cases2019，7，6： | 3 |
| 5 | Routing and Scheduling of Vehicles and Crews 显示文摘 | Bodin L D Golden B L Assad A A Ball M O | 1983 | Computers and Operations Research1983，10，2： | 2 |
| 6 | Congenital peritoneal encapsulation: A review and novel classification system显示文摘Congenital peritoneal encapsulation(CPE) is a very rare, congenital condition characterised by the presence of an accessory peritoneal membrane which encases a variable extent of the small bowel. It is unclear how CPE develops,however it is currently understood to be a result of an aberrant adhesion in the peritoneal lining of the physiological hernia in foetal mid-gut development. The condition was first described in 1868, and subsequently there have been only 45 case reports of the phenomenon. No formal, systematised review of CPE has yet been performed, meaning the condition remains poorly understood,underdiagnosed and mismanaged. Diagnosis of CPE remains clinical with important adjuncts provided by imaging and diagnostic laparoscopy. Two thirds of patients present with abdominal pain, likely secondary to sub-acute bowel obstruction. A fixed, asymmetrical distension of the abdomen and differential consistency on abdominal palpation are more specific clinical features present in approximately 10% of cases. CPE is virtually undetectable on plain imaging, and is only detected on 40% of patients with computed tomography scan. Most patients will undergo diagnostic laparotomy to confirm the diagnosis.Management of CPE includes both medical management of the critically-unstable patient and surgical laparotomy, partial peritonectomy and adhesiolysis.Prognosis following prompt surgical treatment is excellent, with a majority of patients being symptom free at follow up. This review summarises the current literature on the aetiology, diagnosis and treatment of this rare disease. We also introduce a novel classification system for encapsulating bowel diseases, which may distinguish CPE from the commoner, more morbid conditions of abdominal cocoon and encapsulating peritoneal sclerosis. | Aneesh Dave James Mc Mahon Assad Zahid | 2019 | World Journal of Gastroenterology2019，25，19： | 2 |
| 7 | Left ventricular pseudoaneurysm: A case report and review of the literature显示文摘Left ventricular(LV) pseudoaneurysm is a rare complication that is reported in less than 0.1% of all patients with myocardial infarction. It is the result of cardiac rupture contained by the pericardium and is characterized by the absence of myocardial tissue in its wall unlike true aneurysm which involves full thickness of the cardiac wall. The clinical presentation of these patients is nonspecific, making the diagnosis challenging. Transthoracic echocardiogram and cardiac magnetic resonance imaging are the noninvasive modalities whereas coronary arteriography and left ventriculography are invasive modalities used for the diagnosis. As this condition is lethal, prompt diagnosis and timely management is vital. | Lavanya Alapati W Randolph Chitwood John Cahill Sanjay Mehra Assad Movahed | 2014 | World Journal of Clinical Cases2014，2，4： | 2 |
| 8 | Low ADAMTS-13 in plavix induced thrombotic thrombocytopenic purpura显示文摘Thrombotic thrombocytopenia purpura(TTP) was fi rst described in 1924 as a 'pathologic alteration of the microvasculature, with detachment or swelling of the endothelium, amorphous material in the sub-endothelial space, and luminal platelet aggregation leading to compromise of the microcirculation'. Ticlopidine induced TTP has been highly associated with autoimmune induced reduction in ADAMTS-13 activity. These findings, to a lesser extent, have also been found in clopidogrel induced TTP. We report a case of clopidogrel associated TTP in a patient that presented with acute stroke, renal failure, and non-ST elevation myocardial infarction. | Long Bao Cao Christopher Jones Assad Movahed | 2013 | World Journal of Clinical Cases2013，1，1： | 2 |
| 9 | Bone grafting and guided bone regeneration for immediate dental implants in humans 显示文摘 | Quinter G Assad D | 1994 | J Periodontol1994，65，： | 1 |
| 10 | Analysis of a large-scale vehiclerouting problem with an inventory component显示文摘 | GOLDEN B ASSAD A DAHL R | 1984 | Large Scale Systems in Information and Decision Technologies1984，7，23： | 1 |
| 11 | The GnRH antagonist cetrorelix reduces cyclophosphamide-induced ovarian follicular destruction in mice显示文摘 | Assad G Dor J | 2004 | Hum Reprod2004，19，6： | 1 |
| 12 | Over a decade of experience with a yeast recombinant hepatitis B vaccine 显示文摘 | Assad S Francis A | 1999 | Vaccine1999，18，12： | 1 |
| 13 | Angiotensinase A gene expression and enzyme activity in isolated glomeruli of diabetic rats显示文摘 | Thaiss F Wolf G Assad N | 1996 | Diabetologia1996，39，： | 1 |
| 14 | Fine-needle aspiration of parotid gland schwannomas mimicking pleomorphie adenoma:a report of two cases显示文摘 | Assad L Treaba D Ariga R | 2004 | Diagn Cytopathol2004，30，1： | 1 |
| 15 | Roming and scheduling of vehicle and crews-The state of the art显示文摘 | Bodin L Golden B Assad A Ball M | 1983 | Computers and Operations Research1983，，10： | 1 |
| 16 | Planning for truck fleet size in the presence of a common-carrier option显示文摘 | Ball M O Golden B L Assad A A Bodin L D | 1983 | Decision Science1983，14，1： | 1 |
| 17 | Routing and scheduling of vehicles and crews:the state of the art显示文摘 | Bodin L D Golden B Assad A | 1983 | Computers and Opera-tions Research1983，0，2： | 1 |
| 18 | A new porous titanium-nickel alloy: part sensitization, irritation and acute systemic toxicity evaluation 显示文摘 | Assad M Chernyshov A Leroux MA | 2002 | Biomed Mater Eng2002，12，4： | 1 |
| 19 | Routing and scheduling of vehicles and crews:the state of the art显示文摘 | Bodin L Golden B Assad A and Ball M | 1983 | Computer and Operation Research1983，10，： | 1 |
| 20 | A new porous titanium-nickel alloy:part cytotoxicity and genotoxicity evaluation显示文摘 | Assad M Chernyshov A | 2002 | Biomed Mater Eng2002，12，3： | 1 |
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