Clinical use and material wear of polymeric tracheostomy tubes.

Clinical use and material wear of polymeric tracheostomy tubes. Research Abstract Details 

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Clinical use and material wear of polymeric tracheostomy tubes. Abstract Text:

Gunilla ,Sara Axelsson,Unn-Britt Johansson,Michael Lysdahl,Agneta ,Ulla Schedin,Ragnhild E Aune,Claes Frostell,Sigbritt Karlsson,Gunilla ,Sara Axelsson,Unn-Britt Johansson,Michael Lysdahl,Agneta ,Ulla Schedin,Ragnhild E Aune,Claes Frostell,Sigbritt Karlsson,

OBJECTIVES: The objectives were to compare the duration of use of polymeric tracheostomy tubes, i.e., silicone (Si), polyvinyl chloride (PVC), and polyurethane (PU), and to determine whether surface changes in the materials could be observed after 30 days of patient use. METHODS: Data were collected from patient and technical records for all tracheostomized patients attending the National Respiratory Center in Sweden. In the surface study, 19 patients with long-term tracheostomy were included: six with Bivona TTS Si tubes, eight with Shiley PVC tubes, and five with Trachoe Twist PU tubes. All tubes were exposed in the trachea for 30 days before being analyzed by scanning electron microscopy (SEM) and attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR). New tubes and tubes exposed in phosphate-buffered saline were used as reference. RESULTS: Si tubes are used for longer periods of time than those made of PVC (P<.0001) and PU (P=.021). In general, all polymeric tubes were used longer than the recommended 30-day period. Eighteen of the 19 tubes exposed in patients demonstrated, in one or more areas of the tube, evident surface changes. The morphologic changes identified by SEM correlate well with the results obtained by ATR-FTIR. CONCLUSIONS: Si tracheostomy tubes are in general used longer than those made of PVC and PU. Most of the tubes exposed in the trachea for 30 days suffered evident surface changes, with degradation of the polymeric chains as a result.

Clinical use and material wear of polymeric tracheostomy tubes. Publishing Authors By Initials

G ,S Axelsson,UB Johansson,M Lysdahl,A ,U Schedin,RE Aune,C Frostell,S Karlsson,G ,S Axelsson,UB Johansson,M Lysdahl,A ,U Schedin,RE Aune,C Frostell,S Karlsson,

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Clinical use and material wear of polymeric tracheostomy tubes. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The Laryngoscope

VOLUME: 117

Page Numbers: 1552-9

Journal Abbreviation: Laryngoscope

ISSN: 0023-852X

DAY: 16

MONTH: Sep

YEAR: 2007

Clinical use and material wear of polymeric tracheostomy tubes. Information

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LANGUAGE: eng

NlmUniqueID: 8607378

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AFFILIATION: Department of Clinical Sciences, Division of Anaesthesia and Intensive Care, Karolinska Institutet, Danderyd Hospital, National Respiratory Centre, and the Sophiahemmet University College, Stockholm, Sweden. gunilla.bjorling@sophiahemmethogskola.se

Country: United States

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MEDLINETA: Laryngoscope

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