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Florida sleeve repair for aortic root aneurysm.
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MedLine Citation:
PMID:  24175270     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
A 74-year-old man was diagnosed with aortic root aneurysm and two-vessel coronary disease. Echocardiographic assessment revealed an enlarged sinus of Valsalva 60 mm in diameter with mild aortic regurgitation. Florida sleeve repair was performed using a vascular graft combined with coronary artery bypass grafting. The postoperative course was uncomplicated and follow-up echocardiographic evaluations showed an aortic root diameter of 38 mm without aortic insufficiency up to 1 year after surgery.
Authors:
Dong Hee Kim; Kwan Sic Kim; Joon Bum Kim; Jae Won Lee
Publication Detail:
Type:  Journal Article     Date:  2013-10-04
Journal Detail:
Title:  The Korean journal of thoracic and cardiovascular surgery     Volume:  46     ISSN:  2233-601X     ISO Abbreviation:  Korean J Thorac Cardiovasc Surg     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-31     Completed Date:  2013-10-31     Revised Date:  2013-11-04    
Medline Journal Info:
Nlm Unique ID:  101563922     Medline TA:  Korean J Thorac Cardiovasc Surg     Country:  Korea (South)    
Other Details:
Languages:  eng     Pagination:  353-6     Citation Subset:  -    
Affiliation:
Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Korea.
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Journal Information
Journal ID (nlm-ta): Korean J Thorac Cardiovasc Surg
Journal ID (iso-abbrev): Korean J Thorac Cardiovasc Surg
Journal ID (publisher-id): KJTCS
ISSN: 2233-601X
ISSN: 2093-6516
Publisher: Korean Society for Thoracic and Cardiovascular Surgery
Article Information
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© The Korean Society for Thoracic and Cardiovascular Surgery. 2013. All right reserved.
open-access:
Received Day: 12 Month: 2 Year: 2013
Revision Received Day: 14 Month: 5 Year: 2013
Accepted Day: 20 Month: 5 Year: 2013
Print publication date: Month: 10 Year: 2013
Electronic publication date: Day: 04 Month: 10 Year: 2013
Volume: 46 Issue: 5
First Page: 353 Last Page: 356
PubMed Id: 24175270
ID: 3810557
DOI: 10.5090/kjtcs.2013.46.5.353

Florida Sleeve Repair for Aortic Root Aneurysm
Dong Hee Kim, M.D.A1
Kwan Sic Kim, M.D.A1
Joon Bum Kim, M.D.A1
Jae Won Lee, M.D.A1
Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Korea.
Correspondence: Corresponding author: Jae Won Lee, Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, Korea. (Tel) 82-2-3010-3584, (Fax) 82-2-3010-6966, jwlee@amc.seoul.kr

CASE REPORT

A 74-year-old man was referred to our hospital for surgical management of aortic root aneurysm found by echocardiography during a preoperative work-up for spinal surgery. He presented with intermittent left-sided chest pain. His vital signs and laboratory data were unremarkable on admission. His past medical history revealed hypertension requiring drug therapy and herniated nucleus pulposus at the lumbar area. Trans-thoracic echocardiography revealed an enlarged sinus of Valsalva 58 mm in diameter with mild aortic regurgitation (Fig. 1). The left ventricular ejection fraction was 60% without regional wall motion abnormality. A computed tomography (CT) scan identified severe aortic sinus dilatation and a coaptation defect in the aortic valve (Fig. 2). The maximal diameter of the aortic sinus and aortic tubular portion were 60 and 36 mm, respectively. A coronary angiography showed 80% stenosis of the proximal left anterior descending artery (LAD), and total occlusion of the distal left circumflex artery. Thallium single-photon emission computed tomography showed fixed medium-sized moderately decreased perfusion in the basal anterolateral and basal inferolateral wall. Consequently, the patient was scheduled for concomitant aortic root surgery and coronary artery bypass grafting (CABG).

At the beginning, the patient underwent off-pump CABG (from the in situ left internal mammary artery to the LAD and the saphenous venous graft to the obtuse marginal branch). After establishing cardiopulmonary bypass (CPB) and aortic clamping (cardioplegic solution was delivered via the coronary sinus in a retrograde manner and concomitant antegrade infusion via saphenous vein graft to the obtuse marginal graft), the ascending aorta was transected above the sinotubular junction and the aortic root was mobilized to the aortic annular level, and the origins of the coronary arteries were mobilized. After measuring the aortic annular size, a 30-mm vascular graft (Gelweave Valsalva; Terumo Inc., Tokyo, Japan) was trimmed with two key holes (Fig. 3). Then, six anchoring sutures were made on the lowest level of the annulus, at the commissure and midpoint of each leaflet. After locating the graft to the patient's aortic root, a running suture was done together with the transected sinotubular junction and the graft. After confirming adequate coaptation of the aortic leaflets, distal anastomosis between the graft and distal ascending aorta was made. After CPB weaning, sternal closure was done. Aortic clamping and cardiopulmonary bypass times were 88 and 128 minutes, respectively.

The patient was extubated on postoperative day 1 and transferred to the general ward on day 2. CT and echocardiographic evaluations were performed on postoperative day 4, and they demonstrated a competent aortic valve with no regurgitation, and a stable aortic graft without any distortion or leakage. The diameter of the sinus portion of the aorta was measured at 37 mm with excellent coaptation of the aortic valve (Fig. 4). The patient was discharged on postoperative day 8 without any postoperative complications. Serial follow-up echocardiographic assessments were performed up to one year after surgery. There was no aortic insufficiency and the stability of the sinus portion of the aorta was maintained with its diameter at 38 mm.


DISCUSSION

Surgical options in the management of aortic root dilatation combined with aortic valve insufficiency include root replacement and valve-sparing root remodeling (Yacoub) or reimplantation (David procedure) [1-3]. Although the latter two techniques have been reported to show excellent results in selected patients, the valve-sparing aortic operations are not widely performed because of the technical challenge requiring a learning curve. Therefore, many centers still prefer the Bentall operation rather than the valve-sparing procedures for the aortic insufficiency associated with aortic root aneurysm.

In efforts to reduce the procedural complexity of the valve-sparing root surgery, Hess et al. [4] described a new technique for aortic root remodeling with preservation of the aortic valve, the "Florida sleeve" technique. In their follow-up report of 18 patients, clinical and echocardiographic outcomes showed excellent results at mid-term follow-up [5]. The most important advantage of the Florida sleeve technique is the technical simplicity, in that coronary reimplantation is not required and suture burden at the aortic root is greatly decreased without a concern for surgical bleeding. Consequently, the technique can shorten the aortic clamping, CPB, and procedural times. For these reasons, this technique may be more easily reproducible than conventional valve-sparing aortic operations.

The Florida sleeve technique, however, has several potential drawbacks. Since the enlarged aortic sinus has to be inserted in a smaller graft, anatomical distortion of the aortic root can be created. Distortion between the residual aortic sinus and vascular graft can cause aortic insufficiency and coronary malperfusion, both of which can be fatal. Therefore, extreme caution should be taken while tailoring the artificial graft and anchoring it to the native aortic wall. The coronary ostium should also be positioned as carefully as possible to prevent kinking or obstruction of the origins of the coronary artery.

In the present case, the surgical risks had been expected to be high because of old age and combined coronary artery disease. In order to shorten the cardiac ischemic and CPB times, we performed off-pump CABG combined with the Florida sleeve technique. Fortunately, the surgery was completed successfully without leaving any postoperative complications.

In conclusion, we report a case of aortic root aneurysm combined with coronary disease that was successfully treated with concomitant off-pump CABG and the Florida sleeve technique. In order to further verify the feasibility and reproducibility of the Florida sleeve technique, experiences in a larger number of patients with long-term follow-up are required.


Notes

No potential conflict of interest relevant to this article was reported.

References
1. Yacoub MH,Fagan A,Stassano P,Radley-Smith R. Results of valve conserving operations for aortic regurgitationCirculationYear: 198368311321
2. David TE,Feindel CM. An aortic valve-sparing operation for patients with aortic incompetence and aneurysm of the ascending aortaJ Thorac Cardiovasc SurgYear: 19921036176211532219
3. David TE. Aortic valve sparing operations: a reviewKorean J Thorac Cardiovasc SurgYear: 20124520521222880164
4. Hess PJ Jr,Klodell CT,Beaver TM,Martin TD. The Florida sleeve: a new technique for aortic root remodeling with preservation of the aortic valve and sinusesAnn Thorac SurgYear: 20058074875016039256
5. Hess PJ Jr,Harman PK,Klodell CT,et al. Early outcomes using the Florida sleeve repair for correction of aortic insufficiency due to root aneurysmsAnn Thorac SurgYear: 2009871161116819324144

Article Categories:
  • Case Report

Keywords: Florida sleeve repair, Aortic valve, surgery, Aortic root.

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