Clinical Study
Clinical Insight into the Precaval Right Renal Artery: A Multidetector Row Computed Tomography Angiographic Study
Table 1
Prevalence and nature of precaval right renal artery (RRA).
| | Serial number | Name of author | Modality of study | Total number of cases studied | Number of cases and prevalence (%) | Nature of precaval RRAs. |
| | 1 | Petit et al., 1997 [6] | CECT/USG | 380 | 3 cases (0.8%) | Dominant single precaval RRAs |
| | 2 | Meng et al., 2002 [7] | Intraoperative/CT | 500 | 3 cases (0.6%) | Lower polar accessory RRAs |
| | 3 | Yeh et al., 2004 [5] | Spiral CT | 186 (retrospective)
3200 (prospective) | 9 cases (5.0%)
39 cases (1.2 %) | 48 accessory precaval RRAs
4 dominant precaval RRAs |
| | 4 | Chai et al., 2008 [8] | Live donors Intraoperative | 153 | 1 case (0.6%) | Not available |
| | 5 | Holden et al., 2005 [9] | Live donors MDCT | 100 | 1 case (1.0%) | Single main RRA |
| | 6 | Gupta et al., 2011 [10] | Cadaveric dissection | 50 | 3 cases (6.0%) | 2 dominant and 2 accessory
(one case single dominant precaval RRA) |
| | 7 |
Apisarntharanak et al., 2012 [11] | CT angiography
(renal donors) | 65 | 3 cases (4.6%) | 1 case single dominant and 2 cases-accessory |
| | 8 | Bouali et al., 2012 [12] | Spiral CT | 120 | 11 cases (9.17%) | 10 accessory lower polar, 1 case both dominant and accessory |
| | 9 | Present study 2013 | MDCT | 73 | 4 cases (5.48%) | 2 cases accessory lower polar, 1 case both dominant and accessory, 1 case single dominant |
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