نتایج جستجو برای: implanting
تعداد نتایج: 1787 فیلتر نتایج به سال:
By implanting a Teflon chamber subcutaneously into a sheep a mild aseptic inflammatory lesion was produced from which wound fluid could be sampled daily. The prostaglandin content of this wound fluid was examined. Prostaglandin E2 activity was found in all samples, and a peak was apparent on the fourth or fifth day after producing the lesion. The amount of prostaglandin activity appeared to be ...
Testing, one of the key activities in engineering, is full of preconceptions. The general concept of testing is not clear, both for professionals and for educators, as “testology” has not established itself as a science yet. It is thus possible that, at the university level, the wrong concept of testing is being taught. We identify the main preconceptions (including the one that conflates testi...
With congenitally corrected transposition of the great arteries, the right ventricle (RV) supports the systemic circulation. These patients have an increased risk of developing heart failure. Implantation of a ventricular assist device may be the only therapeutic option for patients who are not transplantation candidates. The technical aspects of implanting a mechanical device into the RV have ...
In endometrial scratching, endometrium is gently “scratched” using a thin catheter which causes immunological reaction leading to increase implantation rate in women with unexplained recurrent implantation failure. Inducing injury to the lining of the uterus in the cycle before starting ovarian stimulation for IVF can help improve the chances of achieving pregnancy. The new lining which grows a...
Secondary dissection in the descending aorta after endovascular therapy may demand subsequent interventional procedures. This can set a particularly significant challenge for the endovascular specialist. When implanting an aortic prosthesis, a sufficient contact between the covered segment and the healthy vessel wall is advisable. However, our case shows that, in individual cases, it is indeed ...
On implanting hydroxyapatite-mineralized tough hydrogel into osteochondral defects of rabbits, osteogenesis spontaneously penetrates into the gel matrix owing to the semi-permeablility of the hydrogel. The gradient layer (around 40 μm thick) contributes quite strong bonding of the gel to bone. This is the first success in realizing the robust osteointegration of tough hydrogels, and the method ...
Recent studies have demonstrated that discriminatory salivary biomarkers can be readily detected upon the development of systemic diseases such as pancreatic cancer, breast cancer, lung cancer, and ovarian cancer. However, the utility of salivary biomarkers for the detection of systemic diseases has been undermined due to the absence of the biological and mechanistic rationale as to why distal ...
Elective implantation of covered stents for coarctation and recoarctation in adolescents and adults.
INTRODUCTION AND OBJECTIVES Stent implantation is an effective therapy for aortic coarctation and recoarctation. However, in adolescents and adults, aortic wall rupture and dissection can occur, as well as aneurysms during follow-up. In order to reduce these complications, we electively implant covered stents. METHODS Since 2005, we have performed the procedure using femoral access in 17 pati...
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