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Titolo:
DERMAL MICROVASCULATURE AND TISSUE-SELECTIVE THINNING TECHNIQUES (ULTRASOUND AND WATER-JET) OF SHORT-TIME EXPANDED SKIN IN DOGS
Autore:
SIEGERT R; DANTER J; JURK V; EGGERS R; KRUGER S;
Indirizzi:
MED UNIV LUBECK,DEPT OTORHINOLARYNGOL PLAST HEAD & NECK SURG,RATZEBURGER ALLEE 160 D-23538 LUBECK GERMANY MED UNIV LUBECK,DEPT ANAT D-23538 LUBECK GERMANY MED UNIV LUBECK,DEPT PATHOL D-23538 LUBECK GERMANY
Titolo Testata:
European archives of oto-rhino-laryngology
fascicolo: 6, volume: 255, anno: 1998,
pagine: 325 - 330
SICI:
0937-4477(1998)255:6<325:DMATTT>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
EXPERIMENTAL PRETRANSFER EXPANSION; COSTAL CARTILAGE FRAMEWORK; FLAP DONOR SITES; TOTAL RECONSTRUCTION; BLOOD-FLOW; PIG; VIABILITY; SURVIVAL; MICROTIA; AURICLE;
Keywords:
SKIN EXPANSION; ULTRASONIC KNIFE; WATER JET; MICROVASCULATURE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
33
Recensione:
Indirizzi per estratti:
Citazione:
R. Siegert et al., "DERMAL MICROVASCULATURE AND TISSUE-SELECTIVE THINNING TECHNIQUES (ULTRASOUND AND WATER-JET) OF SHORT-TIME EXPANDED SKIN IN DOGS", European archives of oto-rhino-laryngology, 255(6), 1998, pp. 325-330

Abstract

Certain reconstructive procedures, like auricular reconstructions, require thin and well-vascularized skin. The aims of this study were to analyze if the increased survival of expanded skin flaps was due to morphologic changes of the dermis, if thinning of short-time expanded skin was possible without harm to the microcirculation and if tissue selective cutting methods could be used to resect subcutaneous fat without damaging its vessels. Eighty-two 200-ml expanders were implanted into the trunk regions of 26 beagles and filled immediately with sterile saline. In the first series of experiments, the expansion was terminated after intervals of 0.5-5 weeks and dermal vessels were analyzed morphometrically. In the second series the expanded flaps were raised after 2 weeks and thinned solely surgically or with the additional use ofan ultrasonic knife or with cutting by water jet. In contrast to shamflaps, the expanded skin showed only very few areas of necrosis and these were located superficially in most cases. The relative volume of the dermal vessels and their quantity showed a significant increase after the expansion. Additionally, the subcutaneous tissue could be thinned down to 0.4 mm with the water-jet-cutter. Findings demonstrated that the method used could create a well-vascularized skin flap of minimal thickness that could be very helpful for special reconstructive procedures.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/11/20 alle ore 02:03:12