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Sugammadex Neuromuscular Blockade Reversal Associated With Lower Postoperative Arterial Carbon Dioxide Levels After

Jacob P Bray¹, Douglas R Adams¹, Aparna S Phadke¹

¹Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.

Journal of Cardiothoracic and Vascular Anesthesia

|August 10, 2020

Abstract

Objective:

To compare postoperative arterial blood gas samples and requirement for respiratory support between patients who received sugammadex versus neostigmine reversal before extubation after congenital cardiac surgery.

Design:

Retrospective, cross-sectional study.

Setting:

Single-center, university-based, tertiary care hospital.

Participants:

Patients with congenital heart disease undergoing surgery with cardiopulmonary bypass.

Interventions:

Chart review.

Measurements And Main Results:

The first postoperative arterial blood gas measurements were abstracted from electronic medical records, and reintubation or use of positive- pressure respiratory support within the first 24 postoperative hours was documented. Of the 237 charts reviewed, 111 (47%) patients received sugammadex reversal and 126 (53%) received neostigmine. Multivariate models showed that patients with 2-ventricle congenital heart disease who received sugammadex had lower postoperative arterial carbon dioxide partial pressure (PaCO₂) values (coefficient -3.1, 95% confidence interval [CI] -5.9 to -0.4; p = 0.026) and required less- noninvasive positive- pressure ventilation (odds ratio 0.3, 95% CI 0.1-0.8; p = 0.021). Single-ventricle congenital heart disease patients who received sugammadex had higher postoperative pH values (coefficient 0.04, 95% CI 0.01-0.06; p = 0.01) and lower PaCO₂ values (coefficient -5.2, 95% CI -9.6 to -0.8; p = 0.021).

Conclusion:

Sugammadex reversal was associated with lower postoperative PaCO₂ values. In addition, sugammadex reversal was associated with less need for noninvasive positive- pressure ventilation in 2-ventricle patients. The magnitude of the effect appears modest, therefore the clinical significance remains unclear. Additional studies focused on investigating particular patient populations, such as infants, single-ventricle congenital heart disease, or patients with pulmonary hypertension, are needed to identify whether these patients appreciate a greater benefit from sugammadex reversal.

Keywords:

Sugammadex blood gas analysis cardiac surgery congenital heart defect neuromuscular blockade respiratory support

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