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Ann Thorac Surg 1999;67:1415-1420
© 1999 The Society of Thoracic Surgeons
a Departments of Department of Cardiac Surgery, Royal Liverpool Childrens Hospital-Alder Hey, Liverpool, England, UK
b Department of Anaesthetics, Royal Liverpool Childrens Hospital-Alder Hey, Liverpool, England, UK
Accepted for publication November 24, 1998.
Address reprint requests to Dr Pozzi, Department of Cardiac Surgery, Royal Liverpool Childrens Hospital-Alder Hey, Eaton Rd, Liverpool, L12 2AP, England
e-mail: mpozzi{at}liverpedcard.u-net.com
Background. Intraaortic balloon pump (IABP) usage in young children remains a rarity because, first, there is a widespread misconception that the greater elasticity of the aorta in children may prevent effective augmentation, and second, children in low cardiac output states are more likely to have associated right ventricular failure and pulmonary problems. We report our experience with the use of IABP in children undergoing cardiac surgery in whom mechanical support was necessary for the treatment of refractory cardiac failure.
Methods. Over a 3-year period, 14 children were identified as requiring IABP support after cardiac surgery. Their median age was 3 years (range 7 days to 13 years) and their median weight was 13.3 kg (range 3.551 kg). Indications for IABP use were: failure to wean from cardiopulmonary bypass (5 patients), sudden deterioration in intensive therapy unit (ITU) (3 patients), progressive deterioration in ITU (4 patients), and prophylactic therapy for known poor preoperative ventricular function (2 patients).
Results. Ten of 14 patients (71%) were successfully weaned from the IABP, of whom 8 became long-term survivors (57%). Among the survivors, the mean duration of IABP usage was 127 h (range 12260 h), while for those who died while on IABP, the mean duration was 15 h (range 824 h). The most major IABP-related complication encountered was mesenteric ischemia, which had a fatal outcome.
Conclusions. IABP therapy, used as an adjunct to conventional medical treatment, can give properly selected young children in refractory low cardiac output states after heart surgery a greater than 50% chance of long-term survival.
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