RT Book, Section
A1 Kreutzer, Jacqueline
A2 Kline, Mark W.
SR Print(0)
ID 1182914955
T1 The Patient with a Single Ventricle
T2 Rudolph's Pediatrics, 23e
YR 2018
FD 2018
PB McGraw-Hill Education
PP New York, NY
SN 9781259588594
LK accesspediatrics.mhmedical.com/content.aspx?aid=1182914955
RD 2023/03/29
AB In  clinical  practice,  the  term  single  ventricle  has  become  a  functional  categorization,  applied  to  all  congenital  heart  lesions  in  which  the  patient  lacks  a  second  ventricle  that  can  independently  support  the  pulmonary  circulation.  In  most  such  lesions,  components  of  a  second  ventricle  exist.  In  single-ventricle  physiology,  the  circulations  mix  at  the  atrial  and/or  ventricular  level.  The  surgical  approach  typically  consists  of  various  staging  procedures,  which  result  in  a  complete  separation,  or  “bypass,”  of  the  pulmonary  circulation  from  the  heart.  The  final  surgical  stage  that  fully  separates  the  pulmonary  circulation  is  known  as  the  modified  Fontan  operation.  The  “single  ventricle”  then  becomes  the  systemic  pumping  chamber,  and  the  systemic  venous  return  flows  passively  through  the  pulmonary  circulation  without  interposition  of  a  ventricular  pump.