نتایج جستجو برای: releasable suture
تعداد نتایج: 13893 فیلتر نتایج به سال:
Synaptotagmins comprise a large protein family, of which synaptotagmin 1 (Syt1) is a Ca2+ sensor for fast exocytosis, and its close relative, synaptotagmin 2 (Syt2), is assumed to serve similar functions. Chromaffin cells express Syt1 but not Syt2. We compared secretion from chromaffin cells from Syt1 null mice overexpressing either Syt isoform. High time-resolution capacitance measurement show...
The insulin secretory response by pancreatic beta-cells to an acute "square wave" stimulation by glucose is characterized by a first phase that occurs promptly after exposure to glucose, followed by a decrease to a nadir, and a prolonged second phase. The first phase of release is due to the ATP-sensitive K(+) (K(ATP)) channel-dependent (triggering) pathway that increases [Ca(2+)](i) and has be...
The Ral proteins are members of the Ras superfamily of GTPases. Because they reside in synaptic vesicles, we used transgenic mice expressing a dominant inhibitory form of Ral to investigate the role of Ral in neurosecretion. Using a synaptosomal secretion assay, we found that while K(+)-evoked secretion of glutamate was normal, protein kinase C-mediated enhancement of glutamate secretion was su...
UNLABELLED Any suture material, absorbable or nonabsorbable, elicits a kind of inflammatory reaction within the tissue. Nonabsorbable black silk suture and absorbable polyglycolic acid suture were compared clinically and histologically on various parameters. MATERIALS AND METHODS This study consisted of 50 patients requiring minor surgical procedure, who were referred to the Department of Ora...
PURPOSE To improve jugular central venous access device (CVAD) securement, prevent CVAD failure (composite: dislodgement, occlusion, breakage, local or bloodstream infection), and assess subsequent trial feasibility. MATERIALS AND METHODS Study design was a 4-arm, parallel, randomized, controlled, nonblinded, pilot trial. Patients received CVAD securement with (i) suture+bordered polyurethane...
OBJECTIVES To describe anatomic failure rates for sacrocolpopexy in groups receiving either delayed absorbable or permanent monofilament suture for mesh attachment to the vagina. METHODS We reviewed the medical records of 193 women who underwent sacrocolpopexy with 2 different types of sutures attaching polypropylene mesh to the vagina: delayed absorbable sutures (median follow-up, 43 weeks) ...
The vascular anastomosis free of suture was made by using an absorbable suture and its tensile strength was compared with that of non-absorbable suture anastomosis. 29 adult mongrel dogs weighing 7.5 to 13.5 kg were used. Two kinds of vascular anastomosis were performed, that is, artery-to-artery anastomosis and vascular prosthetic graft to artery anastomosis. They were made in the right caroti...
Background: Cesarean delivery is the most common surgical procedure and this prevalence is on the rise. Given these trends, cesarean wound complications, such as disruption or infection, remain an important cause of post-cesarean morbidity. Methods: We conducted a single-center randomized controlled trial that included women with viable pregnancies (≥24 weeks) undergoing cesarean delivery at...
Majority of Skull bones are held together by fibrous joints termed as sutures. At birth the two halves of frontal bone remain separate as the metopic suture which is replaced by bone at about 2 years. The persistence of this suture beyond 8 years of age is termed as metopism. The study was conducted on 90 adult human dry skulls. Among them 55 were obtained from department of anatomy RIMS Ongole...
The cranial suture complex is a heterogeneous tissue consisting of osteogenic progenitor cells and mesenchymal stem cells (MSCs) from bone marrow and suture mesenchyme. The fusion of cranial sutures is a highly coordinated and tightly regulated process during development. Craniosynostosis is a congenital malformation caused by premature fusion of cranial sutures. While the progenitor cells deri...
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