Inotropes for the prevention of low cardiac output syndrome and mortality for paediatric patients undergoing surgery for congenital heart disease: a network meta-analysis
Abstract
Background: Paediatric patients undergoing surgery for congenital heart disease (CHD) are at risk for postoperative low cardiac output syndrome (LCOS) and mortality. LCOS affects up to 25% of children after heart surgery. It consists of reduced myocardial function and increases postoperative morbidity, prolongs mechanical ventilation, and lengthens the duration of intensive care unit (ICU) stay. Pharmacological prophylaxis involves inotropes, including catecholamines, phosphodiesterase III inhibitors, or calcium sensitisers, to enhance myocardial contractility. It is unclear whether they are effective in preventing LCOS or death in this vulnerable population.
Objectives: 1. To evaluate the relative benefits and harms of inotropes for the prevention of LCOS and mortality in paediatric patients undergoing surgery for CHD. 2. To generate a clinically useful ranking of prophylactic inotropes for the prevention of LCOS and mortality in paediatric patients undergoing surgery for CHD according to benefits and harms.
Search methods: We searched CENTRAL, MEDLINE, Embase, Web of Science, and clinical trial registries, most recently in December 2023 and April 2024. We also checked reference lists from identified studies and review articles. We did not apply any language restrictions.
Selection criteria: We included randomised controlled trials comparing inotropes from one drug class (catecholamines, phosphodiesterase type III inhibitors, calcium sensitisers) to another (either alone or…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 937 participants or records.
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