Ostium Secundum Atrial Septal Defects Treatment & Management

  • Author: Ira H Gessner, MD; Chief Editor: Steven R Neish, MD, SM   more...
 
Updated: Dec 1, 2011
 

Medical Care

Small-to-moderate–sized ostium secundum atrial septal defects diagnosed in the infant demonstrate significant likelihood of either spontaneous closure or reduction in size to the point that medical intervention no longer is indicated. Such patients should be followed until age 3-4 years before considering either device use or surgical closure.[5, 17]

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Surgical Care

  • Minimally invasive cardiac surgery techniques allow closure without the use of blood or blood products in appropriately sized patients.[18, 19]
    • The skin incision is short because complete vertical division of the sternum is not necessary.
    • If the defect is moderate in size and oval in shape, direct suture closure may be appropriate. Larger or rounder defects require patch closure. The patch can be fashioned from the patient's pericardium or made from Dacron.
    • Results of surgery are excellent; a 100% closure rate should be achieved. Risk of mortality does not exceed that of general anesthesia.[20, 21]
    • Inpatient hospital stay now averages 2-3 days. Perform postoperative echocardiography to confirm closure.
    • Postoperative care includes bacterial endocarditis precautions for 6 months if a patch was placed.
  • Catheter intervention may be indicated.
    • Transcatheter device closure of secundum atrial septal defect now represents a standard of care for this abnormality.[22] Experience at centers throughout the world is extensive; the success rate has been high, and the risk of complications has been low.[23, 24, 25] Indication for closure in the pediatric age range is a shunt of sufficient size to be clinically apparent. The reason for closure is to prevent development of complications (eg, atrial dysrhythmia, right heart dysfunction) that may appear in the adult. Small defects in children that are detectable only by echocardiography do not require closure.
    • In adult patients who experience a suspected thrombotic stroke and who manifest a patent foramen ovale (15-20% of all adults demonstrate a patent foramen ovale on echocardiography), concern arises that the stroke may have been caused by a paradoxical embolus.[26] In these patients, device closure of the communication is often recommended and accomplished. Studies remain controversial regarding the appropriateness of this treatment.
    • Transcatheter device occlusion of a secundum atrial septal defect should be accomplished only by physicians properly trained and experienced in the procedure. Proper sizing of the defect and anatomic evaluation to assure reliable seating of the device is essential.
    • The device is placed in the atrial septum via a catheter introduced into a femoral vein. Most operators advise monitoring the procedure with transesophageal echocardiography. Multiple studies indicate a high degree of success, with complete closure rates only slightly less than those obtained by surgery.
    • Studies comparing device closure with surgery establish that hospital stay is shorter in patients undergoing device closure. Total costs of the 2 techniques do not significantly differ, apparently because of the cost of the device.[27]
    • Complications of device occlusion include hemorrhage, vascular disruption, pain, nausea and vomiting, and arterial or venous obstruction from thrombosis or spasm. Other complications include rupture of blood vessel, tachyarrhythmias, bradyarrhythmias, and vascular occlusion. Embolization of the device during placement rarely occurs but can result in emergency surgery for removal. The most common complication is incomplete closure of the defect.[28]
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Consultations

Patients should be evaluated by a pediatric cardiologist. Patients with defects considered appropriate for transcatheter device closure should be evaluated by an interventional pediatric cardiologist experienced in the procedure. If surgery is contemplated, the patient should be evaluated by a cardiovascular surgeon experienced in surgery of congenital heart defects. Ideally, decisions regarding therapy should result from simultaneous evaluation of patient data at a group meeting that includes all of these physicians.

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Diet

No special diet is required.

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Activity

No activity restrictions are required except for a few weeks following either device closure or heart surgery.

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Contributor Information and Disclosures
Author

Ira H Gessner, MD  Professor Emeritus, Pediatric Cardiology, University of Florida College of Medicine

Ira H Gessner, MD is a member of the following medical societies: American Academy of Pediatrics, American College of Cardiology, American Heart Association, American Pediatric Society, and Society for Pediatric Research

Disclosure: Nothing to disclose.

Specialty Editor Board

Paul M Seib, MD  Associate Professor of Pediatrics, University of Arkansas for Medical Sciences; Medical Director, Cardiac Catheterization Laboratory, Co-Medical Director, Cardiovascular Intensive Care Unit, Arkansas Children's Hospital

Paul M Seib, MD is a member of the following medical societies: American Academy of Pediatrics, American College of Cardiology, American Heart Association, Arkansas Medical Society, International Society for Heart and Lung Transplantation, and Society for Cardiac Angiography and Interventions

Disclosure: Nothing to disclose.

Mary L Windle, PharmD  Adjunct Associate Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Nothing to disclose.

Alvin J Chin, MD  Professor of Pediatrics, University of Pennsylvania School of Medicine; Attending Physician, Cardiology Division, Children's Hospital of Philadelphia

Alvin J Chin, MD, is a member of the following medical societies: American Association for the Advancement of Science, American Heart Association, and Society for Developmental Biology

Disclosure: Nothing to disclose.

Gilbert Z Herzberg, MD  Assistant Professor, Department of Pediatrics, Section of Pediatric Cardiology, New York Medical College; Consulting Staff, Department of Pediatrics, Sound Shore Medical Center

Gilbert Z Herzberg, MD is a member of the following medical societies: American Academy of Pediatrics

Disclosure: Nothing to disclose.

Chief Editor

Steven R Neish, MD, SM  Director of Pediatric Cardiology Fellowship Program, Associate Professor, Department of Pediatrics, Baylor College of Medicine

Steven R Neish, MD, SM is a member of the following medical societies: American Academy of Pediatrics, American College of Cardiology, and American Heart Association

Disclosure: Nothing to disclose.

References
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  25. Post MC, Suttorp MJ, Jaarsma W, Plokker HW. Comparison of outcome and complications using different types of devices for percutaneous closure of a secundum atrial septal defect in adults: a single-center experience. Catheter Cardiovasc Interv. Mar 2006;67(3):438-43. [Medline].

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  28. Butera G, Carminati M, Chessa M, et al. Percutaneous versus surgical closure of secundum atrial septal defect: comparison of early results and complications. Am Heart J. Jan 2006;151(1):228-34. [Medline].

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  30. Brochu MC, Baril JF, Dore A, et al. Improvement in exercise capacity in asymptomatic and mildly symptomatic adults after atrial septal defect percutaneous closure. Circulation. Oct 1 2002;106(14):1821-6. [Medline]. [Full Text].

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