Stereolithographic Models for Surgical Planning in Congenital Heart Surgery

Ralf Sodian, Stefan Weber, Mathias Markert, Darius Rassoulian, Ingo Kaczmarek, Tim C. Lueth, Bruno Reichart, Sabine Daebritz

Research output: Contribution to journalArticlepeer-review

112 Scopus citations


Purpose: Currently we are exploring the impact of using rapid prototyping techniques for surgical planning and intraoperative orientation during the correction of complex congenital malformation. Description: We studied a patient with a left abnormal subclavian artery and right descending aorta as a rare cause of dyspnea and dysphagia. The patient was examined by magnetic resonance imaging angiography. The image data were visualized and reconstructed. Afterward a replica of the malformation was fabricated using a rapid prototyping machine. In addition, a stereolithographic model of an intracardiac lesion (ventricular septal defect) was fabricated with data obtained from a computed tomographic scan. Evaluation: Using data derived from a magnetic resonance imaging angiography or computed tomographic scan linked to proprietary software, we were able to create three-dimensional reconstructions of complex vascular pathology and intracardiac lesions. In addition, we fabricated replicas of congenital malformations using a rapid prototyping machine. The models could be sterilized and taken to the operating room for orientation during the corrective surgical procedure. Conclusions: Stereolithographic replicas are helpful for choosing treatment strategies, surgical planning of corrections, and intraoperative orientation, and as demonstrations on life-like models for the patient.

Original languageEnglish
Pages (from-to)1854-1857
Number of pages4
JournalAnnals of Thoracic Surgery
Issue number5
StatePublished - May 2007


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