Related Experiment Videos
Left ventricular aneurysmectomy: endoventricular circular patch plasty or septoexclusion.
Antonio Maria Calafiore1, Sabina Gallina, Michele Di Mauro
1Department of Cardiology and Cardiac Surgery, University G. D'Annunzio, S. Camillo de' Lellis Hospital, Chieti, Italy. calafiore@unich.it
Journal of Cardiac Surgery
|May 22, 2003
Summary
Septoexclusion techniques, Dor and Guilmet, effectively treat left ventricular scars after myocardial infarction. Both surgical options improve heart function and reduce mitral regurgitation, with specific indications based on scar extent.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery
- Myocardial Infarction Management
Background:
- Septoexclusion, a surgical technique, addresses myocardial scarring.
- The study evaluates Guilmet septoexclusion against the Dor operation for treating left ventricular akinetic or dyskinetic areas in the LAD territory.
Purpose of the Study:
- To compare the midterm results and indications of the Guilmet septoexclusion technique with the Dor operation.
- To assess the efficacy of both surgical techniques in improving left ventricular function and reducing mitral regurgitation.
Main Methods:
- A comparative study of 79 patients undergoing septoexclusion for LAD territory scars between January 1998 and April 2001.
- Fifty patients (Group D) received the Dor operation, while 29 (Group G) had the Guilmet operation, based on septal vs. free wall involvement.
- Ejection fraction (EF) and end-diastolic volumes were assessed preoperatively and postoperatively.
Main Results:
- Both techniques demonstrated comparable 30-day and midterm mortality rates.
- A significant improvement in ejection fraction and a reduction in end-diastolic volumes were observed in both groups.
- Postoperative mitral regurgitation was significantly reduced in both Dor and Guilmet groups compared to preoperative levels.
Conclusions:
- The Dor and Guilmet techniques are effective for surgical treatment of left ventricular scars in the LAD territory.
- Each technique has specific indications, tailored to the extent of septal scarring.
- Both methods lead to improved cardiac function and reduced mitral regurgitation.