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Ann Thorac Surg 2004;78:1511
© 2004 The Society of Thoracic Surgeons

Correspondence

Tracheal Ring Regeneration

Nicholas J. Demos, MD

Department of Surgery, the University of Medicine and Dentistry of New Jersey, 142 Palisade Ave, Suite 100, Jersey City, NJ 07306, USA

To the Editor:

I was delighted to read the interesting article about replacement of the trachea with an autologous aortic graft by Martinod and associates [1]. Their results confirmed and their study duplicated the experimental work done by my associates and me [2] more than 30 years ago. There were four similarities between their experiments and ours. The new "trachea" developed in autologous tissue; the new "trachea" developed rings, which were incomplete posteriorly; it was external to a prosthetic device, a silicon tube in our experiments and a nitinol or Endoxane stent in theirs; and follow-up was up to 3 years. The dissimilarity was that they used sheep and we used dogs in the experiments.

Another coincidence is that both articles were discussed by eminent doctors from Massachusetts General Hospital, Dr Hermes C. Grillo for ours and Dr Douglas Mathisen [3] for theirs. Dr Grillo's discussion of our 1973 article mentioned some interesting embryological facts as well [2].

Even though it took more than 30 years for our work to be confirmed and duplicated, I look forward to seeing more young investigators interested in the subject of autologous substitution for the trachea as well as other organs.

References

  1. Martinod E, Seguin A, Pfeuty K, et al. Long-term evaluation of the replacement of the trachea with an autologous aortic graft. Ann Thorac Surg. 2003;75:1572–1578[Abstract/Free Full Text]
  2. Demos NJ, Mitnick H, McCally D, Feinberg E, McKeon J, Timmes JJ. Tracheal regeneration in long-term survivors with silicone prosthesis. Ann Thorac Surg. 1973;16:293–300[Medline]
  3. Mathisen D. Long-term evaluation of the replacement of the trachea with an autologous aortic graft [Invited commentary]. Ann Thorac Surg. 2003;75:1578[Free Full Text]

Related Article

Reply
Emmanuel Martinod and Alain F. Carpentier
Ann. Thorac. Surg. 2004 78: 1511. [Extract] [Full Text] [PDF]




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