Table 2– Features of the scanners and assessment methods of right ventricle dilation or dysfunction
First author [ref.]CTParameters for right ventricle dilation/dysfunction
CT scannerReconstructed imageRight-to-left ventricle ratioOthers
MethodsCut-off
Apfaltrer [19]64BothTransverse diameter
4-chamber diameters
Volumes
Not reported
Araoz [20]Single or 4BothTransverse diameters
4-chamber diameters
Not reportedIVS bowing
Araoz [21]Single, 4, 8, 16NoTransverse diametersNot reportedIVS bowing
Aviram [22]10, 16, 40, 64Yes4-chamber diameters>0.9RV short axis
IVC reflux
IVS bowing
Baptista [23]4, 64NoTransverse diameters>1RV short axis
LV short axis
Bazeed [24]64YesTransverse diameters>1RV short axis
Becattini [11]4, 16NoTransverse diameters≥0.9
Cai [25]4, 16, 64Yes4-chamber diameters>1
Ceylan [26]16BothTransverse diameters
4-chamber diameters
Not reportedSVC diameter
IVS bowing
IVC reflux
az [27]2NoTransverse diameters≥1
Furlan [28]16–64YesTransverse diameters≥1RV short axis
LV short axis
SVC diameter
IVC reflux
IVS bowing
Ghaye [29]SingleYesTransverse diameters>1RV short axis
SVC diameter
IVC reflux
IVS bowing
Gul [30]64NoTransverse diameters>1PA diameter
Henzler [31]16, 64BothTransverse diameters
4-chamber diameters
Volumes
Not reported
Jimenéz [32]NANoTransverse diameters>0.9
Jeebun [33]4NoTransverse diametersNot reported
Kang [34]64BothTransverse diameters
4-chamber diameters
Volumes
>1
>1
>1.2
IVS bowing
IVC reflux
Klok [35]#MultiYesTransverse diameters
4-chamber diameters
>1
Kumamaru[36, 37] 16, 64BothTransverse diameters
4-chamber diameters
>0.9
>1
Lu [38]4–64Yes4-chamber diameters>1
Lu [39]4, 16, 64BothTransverse diameters
4-chamber diameters
>0.9
>0.9
Mansencal [40]2NoAreas>1
Meyer [41]16, 64YesTransverse diameters
4-chamber diameters
Volumes
Not pre-specified
Moroni [42]4, 16YesTransverse diameters>1IVS bowing
SVC diameter
Nural [43]Single or 16No4-chamber diametersNot reportedRV diameter
SVC diameter
IVS bowing
IVC reflux
Ozsu [44]4, 16NoTransverse diameters≥1.1
Ozsu [45]4, 16NoTransverse diameters≥1.3
Park [46]8NoTransverse diameters>1IVS bowing
Quiroz [10]4BothTransverse diameters
4-chamber diameters
>0.9
>0.9
Schoepf [47]4, 16Yes4-chamber diameters>0.9
Soares [48]64Yes4-chamber diameters≥0.9
Stein [49]MultiNoTransverse diameters>1IVS bowing
van der Bijl [50]#16, 64BothTransverse diameters
4-chamber diameters
Volumes
>1
>1
>1.2
RVEF
van der Meer [51]SingleNoTransverse diameters>1IVS bowing
Venkatesh [52]4NoTransverse diameters>0.9+IVS bowing
RV diameter
Zondag [53]4, 16, 64NoTransverse diameters>1
  • CT: computed tomography; IVS: inter-ventricular septum; RV: right ventricle; IVC: inferior vena cava; LV: left ventricle; SVC: superior vena cava; PA: pulmonary artery; RVEF: right ventricular ejection fraction; NA: not available. #: studies reporting on the same study population; : data on the same study population have been reported in two publications; +: unpublished data.