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. 2013 Nov 18;2(4):236–242. doi: 10.1530/EC-13-0063

Table 2.

Prospective studies of intra-procedural cortisol analysis during AVS. The cortisol selectivity ratio is the ratio of cortisol between adrenal vein sample and peripheral sample required to deem the samples representative.

First author/reference Historical control (success/total) First set of samples (success/total) After repeated samples (success/total) Use of ACTH Cortisol selectivity ratio Assay Number of radiologists Serious complications (historical/intervention)a
Betz (19) 26/47 25/46 39/46 No >2 LIAISON-Kit 3 0/1
Rossi (17) 16/25 19/25 23/25 Yes >5 LIAISON-Kit 1 0/0
Auchus (18) 22/30 27/30 29/30 Yes >3 Avida Centaur 5 0/0
Presented study 10/21 13/21 17/21 Yes >5 Tosoh AIA 360 2 0/1
Total 74/123 84/122 108/122 0/2
a

Complications are considered serious if they required re-admission to hospital or prolonged hospitalization.