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J Thorac Cardiovasc Surg. 2009 Jun;137(6):1327-32; discussion 1332-3. doi: 10.1016/j.jtcvs.2009.02.007. Epub 2009 Apr 11.

Cardiovascular surgery in children with Marfan syndrome or Loeys-Dietz syndrome.

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  • 1Division of Cardiology, Intermountain West Marfan Cardiology Center, Primary Children's Medical Center, University of Utah, Salt Lake City, Utah 84113, USA.

Abstract

OBJECTIVE:

This study was undertaken to assess the frequency and outcome of cardiovascular surgery in children with Marfan or Loeys-Dietz syndrome.

METHODS:

A retrospective review from 2 regional Marfan subspecialty clinics was performed. Between 1997 and 2007, 204 children with Marfan syndrome and 17 children with Loeys-Dietz syndrome were followed serially. Of these patients, 35 were identified who had undergone cardiovascular surgery at 18 years of age or less. Demographic, echocardiographic, and surgical data were collected.

RESULTS:

Surgery was performed at a median of 3 years (0-15 years) after diagnosis and a mean age of 11.5 +/- 6.2 years. Aortic root replacement was the initial surgery in 30 patients, and mitral valve surgery was the initial surgery in 8 patients, with 3 patients undergoing both. Aortic root replacement was performed using a composite root replacement in 9 patients and valve-sparing techniques in 21 patients (remodeling in 8 patients and reimplantation in 13 patients). Eight patients underwent reoperation at a mean of 4.7 +/- 3.0 years after aortic surgery: 3 for aortic insufficiency, 2 for dissection, 2 for valve thrombosis, and 1 for a distal aneurysm. Adverse outcomes included reoperation in 8 patients, aneurysm in 1 patient, and death due to dissection or stroke in 3 patients. Variables associated with an adverse outcome included preoperative aortic insufficiency, valve replacement, and absence of angiotensin-converting enzyme inhibitor therapy.

CONCLUSION:

Patients with Marfan or Loeys-Dietz syndrome requiring surgery during childhood have a favorable long-term outcome. Those undergoing valve-sparing root replacement or mitral valve repair have a low risk for reoperation. Postoperative angiotensin-converting enzyme inhibitor therapy confers clinical benefit.

PMID:
19464442
[PubMed - indexed for MEDLINE]
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