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Scribendi was founded in 1997 by Chandra Clarke and Terry Johnson to connect ideas and people worldwide through professional language services. In 2017, the transition to a new leadership team, Patricia Riopel and Enrico Magnani, marked an important milestone in the company's history.
Our name is drawn from cacoethes scribendi, which means "the insatiable urge to write. " We support our clients by helping them craft this urge into writing that is both clear and professional. Over the last two decades, Scribendi has become a world leader in the online editing and proofreading industry. We have edited more than 1. 3 billion words and processed more than 400, 000 orders.
Nerve injuries impose a heavy burden on patients' quality of life. Though direct epineurium and perineurium sutures are the classic techniques most commonly used for peripheral nerve injury, they are often accompanied with undesirable tension and their surgical outcomes are less than satisfactory. (1)(2)(3)(4) Such could be due to misalignments such as miss direction, overlapping and buckling of axons, ingrowth of scar tissue into the repair site and tension-induced ischemia around the stumps, all leading to poor fascicular coaptation. (5) To overcome these problems, several newer technologies such as connector repair have been considered. (6)
Previous studies have suggested that utilizing a nerve conduit as a connector for peripheral nerve repair, covering the repair site and leaving a very short gap between the stumps, provides outcomes that are equivalent to, or better than, direct suture repair. (7)(8)(9) It is generally considered that nerves regenerate along the length of the nerve conduit in a selective manner such that the proximal motor nerves migrate to join the distal motor nerves. (10)(11) The intentional gap in the connector is known to provide an area for selective reinnervation encouraging natural re-growth preventing the forementioned misalignments.
Connector also provides a physical barrier preventing infiltration of scar tissue in effect allowing diffusion of nutrients to the healing repair site. (12)(13) The barrier prevents the potential uncontrolled sprouting to the outside of the coaptation site(12) while the additional length relocates the sutures away from the coaptation site reducing the risk of tension and tension-induced ischemia around the stumps. The use of connectors also reduces the number of sutures required for the nerve coaptation, which potentially reduces surgical time. (6)(12)
While the employment of nerve conduit as a nerve connector has been known to achieve outcomes equivalent to, or better than direct suture repair, its underlying mechanism and how the axons behave in the conduit still remain unclear. The present study investigates the peripheral nerve repair mechanism inside an artificial nerve conduit through a short gap. Serial in-vivo imaging using transgenic mice which constitutively express YFP fluorescence and analysis of gene expressions at the repair site were conducted while varioius histomorphometric measurements were taken. The results were compared against the direct suture repair counter-part and the control. The final recovery was quantified through functional assessments.
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