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Ann Thorac Surg 2008;85:2100-2103. doi:10.1016/j.athoracsur.2007.11.076
© 2008 The Society of Thoracic Surgeons
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New Technology

A Novel Anatomy-Conforming Metallic Stent for Tracheobronchial Stenosis

Chang Chen, MDa,*, Sen Jiang, MDb

a Department of General Thoracic Surgery, Tongji University-Affiliated Shanghai Pulmonary Hospital, Shanghai, China
b Department of Radiology, Tongji University-Affiliated Shanghai Pulmonary Hospital, Shanghai, China

Accepted for publication November 28, 2007.

* Address correspondence to Dr Chen, Zhengmin Rd 507, Shanghai, 200433, China (Email: changchenc{at}hotmail.com).

Purpose: A metallic stent for tracheobronchial stenosis provides a possible solution for poststenting complications such as sputum retention. We describe our experience with a novel anatomy-conforming metal stent placement at the carina.

Description: A windowed stent was designed to match the tracheobronchial anatomy. The lateral window was used as a passage from the trachea to the contralateral main bronchus.

Evaluation: Six windowed stents were placed in 6 patients (mean age, 52.3 years). Two patients received an additional short straight stent placed in the contralateral bronchus, forming an overall Y stent at the carina. All patients had immediate relief from respiratory distress, and no sputum retention or stent migration occurred during the subsequent treatment period. Follow-up data showed that 4 patients are still alive. One patient died 2 months after stent placement of postradiation hemoptysis, and another died of metastasis 14 months after stent placement.

Conclusions: This anatomy-conforming metal stent has several advantages and its application in carinal stenosis is both effective and safe.


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Invited Commentary
Sudish Murthy
Ann. Thorac. Surg. 2008 85: 2104. [Extract] [Full Text] [PDF]



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S. Murthy
Invited Commentary
Ann. Thorac. Surg., June 1, 2008; 85(6): 2104 - 2104.
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