Read e-book online Operative Endoscopy and Endoscopic Surgery in Infants and PDF

By Azad Najmaldin, Steven Rothenberg, David Crabbe, Spencer Beasley

ISBN-10: 0340807253

ISBN-13: 9780340807255

This hugely illustrated quantity offers step by step information to the functionality of endoscopic thoughts in babies and kids. The textual content is definitely based all through, with all operative chapters written in accordance with a customary template for authority and consistency, and to make sure that the systems defined will be simply by way of the trainee in addition to skilled general practitioner. as well as the explanatory textual content, methods are depicted via a sequence of high quality black and white surgical line diagrams supplemented with medical photos the place applicable. strength pitfalls and difficulties, and their suggestions, are a big characteristic of this booklet, and problems are highlighted all through. in addition to describing proven strategies, the e-book additionally refers to experimental, yet possibly major, tactics in proper elements of every bankruptcy. the place a couple of demonstrated strategy exists for a situation, each one is defined individually and their appropriate benefits unique to assist the reader to make an educated and acceptable selection. the 1st quantity dedicated to this significant subject, will probably be crucial interpreting for trainee and certified pediatric surgeons project endoscopy and/or endoscopic surgical procedure for thoracic, gastrointestinal, basic stomach, urological and different stipulations in babies and kids, and an invaluable reference for grownup surgeons with some extent of pediatric perform.

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Additional resources for Operative Endoscopy and Endoscopic Surgery in Infants and Children (Hodder Arnold Publication)

Sample text

The ensuing thermal injury extends to a distance of 2–3 mm. These lasers can be delivered through fiberoptic cables, which facilitates endoscopic use. 3) Water jet dissection Water jet dissection uses the force of pulsatile irrigation with crystalloid solutions to separate tissue planes. Hemostasis is poor and early equipment provided unpredictable depth control and excessive mist, which obscured the view of the operative site. Recent technological developments that address these problems include the use of a fine rotating helical jet, which selectively cleaves tissues, and coaxial suction to remove excess spray.

The thermal power of a laser beam depends on the following characteristics. • • Beam power: high power causes more tissue destruction. Power density: any laser will have a greater effect if delivered to a small area. Power density is calculated by dividing the power by the area of the laser imprint and is measured in watts/cm2. 532 green Hemoglobin/melanin Low Fair 2–3 Total energy delivered: the total energy delivered to a tissue area is the output power/second multiplied by the exposure time.

This method can damage tissue and the instrument must not come into contact with urothelium. Extracorporeal lithotripsy Extracoporeal shock wave lithotripsy (ESWL) was first developed in Munich in the 1970s. A shock wave is produced by a generator outside the body and focused on the stone. Originally, ESWL necessitated acoustic coupling of the shock wave and calculus by partially immersing the patient in a water bath. Most modern machines use a water cushion or an abbreviated bath to achieve the same effect.

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Operative Endoscopy and Endoscopic Surgery in Infants and Children (Hodder Arnold Publication) by Azad Najmaldin, Steven Rothenberg, David Crabbe, Spencer Beasley

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