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Utility of a standardized postcardiopulmonary bypass epicardial echocardiography protocol for stage I Norwood palliation

Kenan W.D. Stern1,2, Kimberlee Gauvreau1,2, Sitaram Emani3,4, Tal Geva1,2

1 Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts, USA
2 Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
3 Department of Cardiac Surgery, Boston Children’s Hospital, Boston, Massachusetts, USA
4 Department of Surgery, Harvard Medical School, Boston, Massachusetts, USA

* Corresponding Author: Kenan W.D. Stern, Division of Pediatric Cardiology, Children’s Hospital at Montefiore, 3415 Bainbridge Avenue, Rosenthal 1, Bronx, NY 10467, USA. Email: email

Congenital Heart Disease 2017, 12(3), 350-356. https://doi.org/10.1111/chd.12450

Abstract

Objective: Stage 1 Norwood palliation is one of the highest risk procedures in congenital cardiac surgery. Patients with superior technical performance scores have more favorable outcomes. Intraoperative epicardial echocardiography may allow the surgeon to address residual lesions prior to leaving the operating room, resulting in improved technical performance. The ability of intraoperative epicardial echocardiography to visualize the relevant anatomy and its association with outcomes is not known.
Design: A standardized intraoperative epicardial echocardiography protocol was developed and performed at the conclusion of Stage 1 Norwood palliation. Data pertaining to visualization of relevant anatomy, and comparison of intraoperative echocardiogram findings with other postoperative investigations was performed. Clinical outcomes, including technical performance, were collected. A historical cohort who received either no echocardiogram or a nonstandardized examination was used as a comparison group.
Results: Thirty on-protocol and 30 preprotocol patients, 22 of whom had a nonstandardized intraoperative epicardial echocardiogram, were studied. Compared with preprotocol, visualization of the relevant anatomy was significantly increased for the Damus-Kaye-Stansel anastomosis (93% vs. 68% P = .03) and branch pulmonary arteries (70% vs. 36%, P = .02). One residual lesion requiring immediate operative reintervention was diagnosed in the preprotocol group. There were 5 patients in each cohort with residual lesions during the postoperative hospitalization that were not appreciated on the intraoperative echocardiogram. Technical performance, rates of reintervention and clinical outcomes were not significantly different between the two groups.
Conclusions: Intraoperative epicardial echocardiography is technically feasible and increases visualization of the relevant anatomy. Larger investigations may be warranted to determine if there is clinical benefit to such an approach.

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APA Style
Stern, K.W., Gauvreau, K., Emani, S., Geva, T. (2017). Utility of a standardized postcardiopulmonary bypass epicardial echocardiography protocol for stage I norwood palliation. Congenital Heart Disease, 12(3), 350-356. https://doi.org/10.1111/chd.12450
Vancouver Style
Stern KW, Gauvreau K, Emani S, Geva T. Utility of a standardized postcardiopulmonary bypass epicardial echocardiography protocol for stage I norwood palliation. Congeni Heart Dis. 2017;12(3):350-356 https://doi.org/10.1111/chd.12450
IEEE Style
K.W. Stern, K. Gauvreau, S. Emani, and T. Geva "Utility of a standardized postcardiopulmonary bypass epicardial echocardiography protocol for stage I Norwood palliation," Congeni. Heart Dis., vol. 12, no. 3, pp. 350-356. 2017. https://doi.org/10.1111/chd.12450



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