Use of nitinol self-expandable stents in 26 dogs with tracheal collapse

Beranek, J.; Jaresova, H.; Rytz, Ulrich (2014). Use of nitinol self-expandable stents in 26 dogs with tracheal collapse. Schweizer Archiv für Tierheilkunde, 156(2), pp. 91-98. Huber 10.1024/0036-7281/a000555

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A study was designed to describe a novel approach to the treatment of tracheal collapse (TC) in dogs using self-expandable nitinol stents. Medical records were reviewed retrospectively for 26 client owned dogs in which nitinol stents were deployed. The entire length of trachea was supported independently of the extent of TC. Two overlapping stents were used instead of one in cases where one stent was not spanning the entire trachea adequately. The diameter of the cranial radiolucent portion of trachea, just behind the cricoid cartilage, was measured as a specific landmark to select the appropriate size of the stent. Two self-expandable nitinol stents were inserted in 9 of 26 dogs; the trachea in the rest of the cases was supported with only one stent. A follow up tracheoscopy was performed in 10 of 26 cases with recurrent clinical signs. Secondary tracheal stenosis in these cases was caused by stent fracture, granuloma or excessive stent shortening. Additional stents were placed successfully to expand the stenotic lumen. A support of the entire trachea may decrease risk of nitinol fracture at the end of the implant. Long term clinical improvement (25 of 26 dogs, 96 %) is comparable with the results of other studies.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Small Animal Clinic > Small Animal Clinic, Surgery
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Small Animal Clinic

UniBE Contributor:

Rytz, Ulrich

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0036-7281

Publisher:

Huber

Language:

English

Submitter:

Simone Forterre

Date Deposited:

29 Dec 2014 15:49

Last Modified:

11 Sep 2017 13:28

Publisher DOI:

10.1024/0036-7281/a000555

PubMed ID:

24463323

BORIS DOI:

10.7892/boris.61316

URI:

https://boris.unibe.ch/id/eprint/61316

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