Metallic ureteral stent in restoring kidney function: Nine case reports

Table 1 Characteristics of patients who received metallic ureteral stents to restore kidney function due to idiopathic retroperitoneal fibrosis

Patient No.	Age in yr, sex	Initial admission	Metallic stent properties	Stent placement, n	Reason for stent failure/removal	Follow-up in mo
11	53, M	January, 2012	Left: 6 Fr, 26 cm	6	NA	66
22	55, F	July, 2012	Bilateral: 6 Fr, 26 cm (first); Right: 26 cm (second); Right: 24 cm (third)	3	Recurrent obstruction after removal	60
3	64, M	August, 2012	Bilateral: 6 Fr, 26 cm	1	NA	6
43	74, M	December, 2012	Right: 6 Fr, 28 cm (patient height > 180 cm)	1	Removal at 7 mo following patient's request	37
5	64, M	January, 2013	Right: 6 Fr, 26 cm	4	Obstruction after refreshing with a general stent	54
6	63, M	February, 2014	Right: 6 Fr, 26 cm	4	NA	41
7	61, M	March, 2015	Bilateral: 6 Fr, 26 cm	2	NA	28
8	44, M	May, 2015	Left: 6 Fr, 28 cm	1	NA	6
9	71, M	October, 2012	Left: 6 Fr, 26 cm	4	NA	51

¹Patient 1 received a sixth stent placement more than 60 mo after the first placement.

²Patient 2 experienced stent migration and repeated metallic stent infections between July 2016 and October 2016.

³Patient 4 experienced postoperative hematuria because he resumed normal activities after stent placement, contrary to instructions. F: Female; Fr: French scale; M: Male; NA: Not applicable.