Effectiveness of sharp recanalization of superior vena cava-right atrium junction occlusion

Table 1 Characteristics of the patients

Variables	n = 14
Age in yr	59.6 ± 18.9
Male/female	5/9
Body mass index in kg/m2	23.8 ± 1.9
Blood pressure in mmHg
Systolic	143.2 ± 30.7
Diastolic	82.1 ± 9.9
Primary nephropathy, n (%)	9 (64.3)
Diabetic nephropathy, n (%)	3 (21.4)
Hypertensive nephropathy, n (%)	2 (14.3)
Time of hemodialysis, n (%)	6.5 (5-10)
Previous vascular access, n (%)
1	1 (7.1)
≥ 2	13 (92.9)

Table 2 Demographic and clinical data of each patient

Patient	Sex	Age	CVC implantation	AVF/AVG application time in mo	Symptoms	Number of collateral branches	Width of azygos vein in mm	Type of central venous stenosis	Length of obstructed segment	Diameter of balloon in mm	Diameter of stent in mm	Postoperative anticoagulation	SIR grade of complications	Remission of clinical symptoms	Venous pressure gradient before and after recanalization in cmH2O
1	F	25	Yes	30	Yes	4	10.7	IV	10.3	12.0	12.0	No	D	Yes	11.7
2	F	43	Yes	12	Yes	2	9.5	IV	7.3	10.0	10.0	Yes	-	Yes	12.5
3	F	65	Yes	37	Yes	2	10.5	IV	8.0	8.0	8.0	Yes	-	Yes	10.6
4	F	50	Yes	15	Yes	3	11.7	IV	7.0	10.0	10.0	No	B	Yes	13.4
5	F	67	Yes	24	Yes	1	9.8	IV	8.0	10.0	8.0	Yes	-	Yes	12.3
6	M	63	Yes	36	Yes	1	10.4	IV	10.5	12.0	10.0	No	B	Yes	10.8
7	F	27	Yes	36	Yes	0	8.6	IV	8.0	8.0	8.0	Yes	-	Yes	13.9
8	F	48	No	84	Yes	0	9.3	IV	8.5	12.0	12.0	Yes	-	Yes	11.4
9	F	83	Yes	10	Yes	4	11.8	IV	6.7	12.0	12.0	No	D	Yes	10.7
10	F	60	Yes	4	Yes	0	9.2	IV	7.5	8.0	8.0	Yes	-	Yes	9.6
11	M	78	Yes	12	Yes	1	10.6	IV	8.5	12.0	12.0	Yes	-	Yes	13.2
12	M	72	Yes	5	Yes	0	9.5	IV	7.0	8.0	8.0	Yes	-	Yes	12.1
13	M	67	Yes	84	Yes	3	10.5	IV	6.8	8.0	8.0	Yes	-	Yes	11.9
14	M	86	Yes	96	Yes	0	10.3	IV	9.0	10.0	10.0	Yes	-	Yes	10.2

AVF: Arteriovenous fistula; AVG: Arteriovenous graft; CVC: Cephalic vein cutdown; F: Female; M: Male; SIR: Society of Interventional Radiology.