Application of moderate hypothermia while performance of the aortal arch reconstruction in new-born babies in conditions of selective antegrade cerebral perfusion
Abstract
Objective. To estimate a security of application of moderate hypothermia while performing the aortal arch reconstruction in new-born babies in conditions of selective antegrade cerebral perfusion.
Materials and methods. In 2010-2019 yrs period in Amosov National Institute of Cardiovascular Surgery and Scientific-Practical Medical Centre of Pediatric Cardiology and Cardio-Surgery in 64 new-born babies the aortal arch reconstruction was performed in conditions of selective antegrade cerebral perfusion in moderate hypothermia. In the investigation only patients with a two-ventricle physiology, in whom further two-ventricular correction was conducted, were included. There were 48 (75%) boys and 16 (25%) girls. Median age of the patients was (1.6 ± 0.8) mo, median body mass - (3.8 ± 1.1) kg, median square of the body surface - (0.24 ± 0.04) m². Echocardiographic investigation and neurosonography were the main diagnostic procedures.
Results. Hospital mortality have constituted 4.7% (3 patients died). The death cases were not connected with the brain protection procedure. Duration of artificial blood circulation period have had constituted (138.4 ± 58.8) min at average, aortal clamping - (83.1 ± 40 min), selective antegrade cerebral perfusion - (24.4 ± 8.8) min. In 10 (15,6%) patients in early postoperative period the sternum persisted open. In 4 (6.2%) patients in early postoperative period convulsions were noted, which were treated successfully medicinally. Median stay in the Department of Reanimation and Intensive Therapy have constituted (7.1 ± 4.1) days. In late follow-up period the patients were seen from 1 mo till 8.5 yrs. No one patient died. While elective neurosonography conduction the brain pathological changes were absent. The neurological complications symptoms were absent as well.
Conclusion. Selective antegrade cerebral perfusion with moderate hypothermia constitutes effective and secure method of the brain protection while performance of the aortal arch reconstruction in new-born babies, using median surgical approach in conditions of artificial blood circulation.
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