Cardiopulmonary resuscitation is performed in approximately one in 1,300 pediatric hospitalizations. Approximately half of patients receiving cardiopulmonary resuscitation do not survive to discharge. Independent risk factors for mortality after receiving cardiopulmonary resuscitation included congenital heart disease, age ≥1 yr, acute renal failure, hepatic insufficiency, and sepsis.
To characterize the overall use, cost, and outcomes of extracorporeal membrane oxygenation (ECMO) as an adjunct to cardiopulmonary resuscitation (CPR) among hospitalized infants and children in the United States, retrospective analysis of the 2000, 2003, and 2006 Kids' Inpatient Database (KID) was performed. All CPR episodes were identified; E-CPR was defined as ECMO used on the same day as CPR. Channeling bias was decreased by developing propensity scores representing the likelihood of requiring E-CPR. Univariable, multivariable, and propensity-matched analyses were performed to characterize the influence of E-CPR on survival. There were 8.6 million pediatric hospitalizations and 9,000 CPR events identified in the database. ECMO was used in 82 (0.9 %) of the CPR events. Median hospital charges for E-CPR survivors were $310,824 [interquartile range (IQR) 263,344-477,239] compared with $147,817 (IQR 62,943-317,553) for propensity-matched conventional CPR (C-CPR) survivors. Median LOS for E-CPR survivors (31 days) was considerably greater than that of propensity-matched C-CPR survivors (18 days). Unadjusted E-CPR mortality was higher relative to C-CPR (65.9 vs. 50.9 %; OR 1.9, 95 % confidence interval 1.2-2.9). Neither multivariable analysis nor propensity-matched analysis identified a significant difference in survival between groups. E-CPR is infrequently used for pediatric in-hospital cardiac arrest. Median LOS and charges are considerably greater for E-CPR survivors with C-CPR survivors. In this retrospective administrative database analysis, E-CPR did not significantly influence survival. Further study is needed to improve outcomes and to identify patients most likely to benefit from this resource-intensive therapy.
Cardiopulmonary resuscitation occurs in approximately 7 per 1,000 hospitalizations of children with cardiovascular disease, a rate greater than ten-fold that observed in hospitalizations of children without cardiovascular disease. Single-ventricle patients demonstrated increased mortality after cardiopulmonary resuscitation, while recent cardiac surgery was associated with a reduced odds of death after cardiopulmonary resuscitation. Further studies are needed to confirm these findings and develop techniques to prevent cardiac arrest in this high-risk population.
The presence of obesity or diabetes mellitus was associated with increased postoperative morbidity, hospital utilization, and cost in patients undergoing cardiac surgery in pediatric hospitals.
Management of warfarin in pediatric patients remains a clinical challenge. Warfarin may be administered after congenital heart surgery, and the risks of morbidity can be high. Currently, no data exist to describe the initiation of warfarin and the risk factors for morbidity in post-congenital heart surgery patients. This study aimed to characterize the time required to reach anticoagulation for patients administered warfarin therapy after cardiac surgery and to identify and characterize the risk factors for supratherapeutic anticoagulation and adverse events after warfarin initiation. This retrospective study reviewed all patients between 2006 and 2011 who received warfarin anticoagulation after cardiac surgery at our institution. Factors associated with a prolonged time required to reach an international normalized ratio (INR) of 2 and factors related to supratherapeutic anticoagulation (INR ≥ 4) were identified. The inclusion criteria were met by 59 patients. The median time required to reach an INR of at least 2 after initiation of warfarin was 2 days (interquartile range (IQR), 2-4). The only groups that required a significantly longer time to reach an INR of 2 were those with a postoperative delay in initiation of warfarin and those receiving heparin anticoagulation before and during warfarin initiation. Nine patients experienced an INR of 4 or more. However, no thrombotic events occurred, and significant bleeding was uncommon. In the largest reported group of patients undergoing anticoagulation after cardiac surgery, warfarin was well tolerated across all age groups. The median time required to reach an INR of 2 after loading with warfarin was 2 days, and adverse events were uncommon.
Infants born with hypoplastic left heart syndrome or other lesions resulting in a single right ventricle face the highest risk of mortality among all forms of congenital heart disease. Before the modern era of surgical palliation, these conditions were universally lethal; recent refinements in surgical technique and perioperative management have translated into dramatic improvements in survival. Nonetheless, these infants remain at a high risk of morbidity and mortality, and an appreciation of single ventricle physiology is fundamental to the care of these high-risk patients. Herein, resuscitation and perioperative management of infants with hypoplastic left heart syndrome are reviewed. Basic neonatal and pediatric life support recommendations are summarized, and perioperative first-stage clinical management strategies are reviewed.
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