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  • Ruegemer, Joseph L.  (2)
  • 1995-1999  (2)
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  • 1995-1999  (2)
Year
  • 1
    Online Resource
    Online Resource
    Effect of the Palmaz balloon‐expandable metallic stent in the trachea of pigs
    Wiley ; 1999
    In:  Otolaryngology–Head and Neck Surgery Vol. 121, No. 1 ( 1999-07), p. 92-97
    Details
    In: Otolaryngology–Head and Neck Surgery, Wiley, Vol. 121, No. 1 ( 1999-07), p. 92-97
    Abstract: Endoscopically placed airway stents offer a viable option in primary or adjunctive treatment of severe pediatric tracheobronchial stenoses. Optimistic clinical reports substantiate the need for experimental studies to more effectively evaluate their clinical role. Development of an animal model comparable with the pediatric airway, amenable to endoscopic instrumentation, and capable of assessing effect on growth was the purpose of this pilot project. Nine 4‐week‐old piglets underwent endoscopic midtracheal placement of the balloon‐expandable Palmaz metallic stent. Initial expansion and stent position were verified fluoroscopically and by direct videobronchoscopy. Serial endoscopic examination and stent reexpansion were performed 2 and 4 weeks after stent insertion. Animal weight, clinical tolerance, tracheal growth, and stent integrity were observed. Tracheal inflammation was evaluated grossly and by objective histopathologic criteria. Successful endotracheal stent placement and expansion were accomplished in all piglets. One pig died of anesthesia complications less than 24 hours after stent insertion. The remaining pigs exhibited excellent clinical tolerance through experiment completion. No detrimental effect on growth was noted, and effective dilatation of the stented tracheal region was observed. Stent incorporation was evident with significant mucosal ingrowth. Inflammation in the form of nonobstructing granulation tissue was present, and no evidence of necrosis or cartilage invasion was evident. The piglet trachea appears to be an excellent model for evaluation of expandable metallic airway stents in management of congenital and acquired tracheobronchial stenoses.
    Type of Medium: Online Resource
    ISSN: 0194-5998 , 1097-6817
    URL: Article
    DOI: 10.1016/S0194-5998(99)70132-4
    Language: English
    Publisher: Wiley
    Publication Date: 1999
    detail.hit.zdb_id: 2008453-5
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Surgical Excision of Pilomatrixoma of the Head and Neck: A Retrospective Review of 26 Cases
    SAGE Publications ; 1999
    In:  Ear, Nose & Throat Journal Vol. 78, No. 8 ( 1999-08), p. 541-548
    Details
    In: Ear, Nose & Throat Journal, SAGE Publications, Vol. 78, No. 8 ( 1999-08), p. 541-548
    Abstract: The objective of this article is to describe our experiences in treating patients for head and neck pilomatrixoma at our institution during a 5-year period and to compare our findings with previously published results. To that end, we conducted a 5-year retrospective chart review to identify those patients who had a confirmed histopathologic diagnosis of pilomatrixoma involving the head and neck area. We reviewed medical records for presenting signs and symptoms, lesion characteristics, treatment rendered, and outcomes. We identified 26 patients, aged 6 to 77 (mean: 33), who met the criteria for inclusion in our study. All had been treated for solitary tumors with simple surgical excision and closure. We found no reported adverse outcomes and no tumor recurrences at the surgical sites. These findings support the use of simple surgical excision as the treatment of choice for these tumors.
    Type of Medium: Online Resource
    ISSN: 0145-5613 , 1942-7522
    URL: Article
    DOI: 10.1177/014556139907800807
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1999
    detail.hit.zdb_id: 2067528-8
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