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J Thorac Cardiovasc Surg 2003;126:272-281
© 2003 The American Association for Thoracic Surgery

Surgery for congenital heart disease

Clinical outcomes and utility of cardiac catheterization prior to superior cavopulmonary anastomosis

^a Department of Cardiology , Children’s Hospital, Boston, Mass, USA
^b Department of Cardiac Surgery, Children’s Hospital, Boston, Mass, USA

Received for publication June 10, 2002; accepted for publication November 1, 2002.

^* Address for reprints: David W. Brown, MD, Department of Cardiology, Children’s Hospital, 300 Longwood Ave, Boston, MA 02115, USA
david.brown{at}cardio.chboston.org

OBJECTIVES: We sought to characterize the outcomes of routine catheterization prior to superior cavopulmonary anastomosis and to determine if some patients were unlikely to benefit from catheterization and thus might be evaluated preoperatively with noninvasive methods alone.

BACKGROUND: Congenital heart disease patients with single ventricle physiology undergo routine echocardiography and cardiac catheterization prior to superior cavopulmonary anastomosis to determine anatomic and hemodynamic suitability for this procedure.

METHODS: We performed a retrospective review of all infants (n = 114) evaluated for potential superior cavopulmonary anastomosis at our institution from January 1997 to June 2000.

RESULTS: Patients’ median age was 5.5 months. Full echocardiograms were obtained in 79 patients (69%). At catheterization a total of 41 interventions were performed in 35 patients (31%). Twenty-seven patients (24%) were transfused, 18 patients (17%) required cardiac intensive care unit admission, and median length of stay following catheterization was 1 day (range 0 to 22). Complications occurred in 28 patients (25%), most transient. Of 51 patients who had complete echocardiograms without indication for catheterization, none subsequently had significant interventions and only 2 had new findings at catheterization. Three candidates were excluded from operation; all 111 others underwent successful procedures and survived to hospital discharge.

CONCLUSIONS: Interventions were frequent at catheterization prior to superior cavopulmonary anastomosis, but transient complications, transfusion, intensive care unit admission, and prolonged hospital length of stay were common. For patients in whom no issues indicating need for catheterization are identified by echocardiogram, routine catheterization rarely results in new information or intervention. These patients may be more safely evaluated preoperatively using exclusively noninvasive techniques.

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