Table 1.

Clinical characteristics of patients

Patient	Age/sex	Diagnoses	Indication for citrate anticoagulation	No. of treatments/vascular access
1.	70/F	CRF, M. Wegener	Haemoptysis	2/catheter
2.	72/F	CRF, M. Wegener	After surgery	2/a-v fistula
3.	53/M	CRF; hypertension	After surgery	1/a-v fistula
4.	52/M	ARF, M. Wegener	Haemoptysis	3/catheter
5.	79/F	CRF; hypertension, diabetes mellitus	After surgery	1/a-v fistula
6.	55/M	CRF, polycystic kidney disease	After surgery	1/a-v fistula
7.	64/M	CRF, M. Wegener	History of heparin-induced bleeding	1/a-v fistula
8.	68/M	CRF, hypertension, chronic pyelonephritis	After thyroid biopsy	1/a-v fistula
9.	69/M	ARF after heart surgery	After surgery	2/catheter
10.	51/M	CRF, chronic glomerulonephritis	Immediately before surgery	1/a-v fistula