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Ann Thorac Surg 1996;61:525-529
© 1996 The Society of Thoracic Surgeons

Original Article: General Thoracic

Bone Heterograft for Chest Wall Reconstruction After Sternal Resection

Francesco Puma, MD, Nicola Avenia, MD, Francesco Ricci, MD, Antonio Guiducci, MD, Vittorio Fornasari, MD, Giuliano Daddi, MD

General Thoracic Surgery Unit, Department of Surgery (R), University of Perugia Medical School, Terni, Italy

Accepted for publication October 2, 1995.

Background. Experimental and clinical results of chest-wall reconstruction with bone heterograft after sternectomy are reported.

Methods. Seven dogs underwent subtotal or total sternectomy and reconstruction by implantation of a cortico-spongy bone heterograft sandwiched between two layers of a reabsorbable mesh.

Results. No major postoperative complications were observed. The implant has shown favorable mechanical and biological properties. Six and 9 months after operation all animals were sacrificed and pathologic examination showed good incorporation of the implanted bone with only partial resorption of its spongiosa. Subsequently, 2 patients underwent sternal resection with different indications and reconstruction was achieved by the technique developed experimentally. No complications were observed. Excellent immediate chest-wall stabilization was obtained, persisting for a follow-up period longer than 6 months.

Conclusions. In comparison with autologous bone, sterile bone heterograft seems to offer the same mechanical properties with a significantly reduced surgical trauma.




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