Hemodialysis Angioaccess Choice and Survival in a Tertiary Care Saudi Arabian Center from 1993 to 2004


Saad Al Shohaib 1 , Abdelkarim Waness 2 , * , Abdulla Al Sayyari 3

1 Consultant, Division of Nephrology, King Abdulaziz University Hospital, Saudi Arabia

2 Consultant, Division of Internal Medicine, King Abdulaziz Medical City, n4a1w@yahoo.com, Saudi Arabia

3 Head, Division of Nephrology, King Abdulaziz Medical City, Saudi Arabia

How to Cite: Shohaib S, Waness A, Sayyari A. Hemodialysis Angioaccess Choice and Survival in a Tertiary Care Saudi Arabian Center from 1993 to 2004, Nephro-Urol Mon. Online ahead of Print ; 3(1):69-73.


Nephro-Urology Monthly: 3 (1); 69-73
Article Type: Research Article
Received: January 16, 2010
Accepted: March 30, 2010




Background and Aims: Properly functioning angioaccess is essential for the provision of adequate dialysis. We present and discuss a unique vascular access experience in a Saudi Arabian Center, lasting for more than ten years.

Methods: We prospectively studied all patients with end stage kidney disease, who underwent any of three vascular access procedures (cuffed central venous catheter, arteriovenous graft, or arteriovenous fistula) from 1993 to 2004 with the objective of assessing the relative rates among these three forms of angioaccess and the survival rates of arteriovenous fistula and its relation with patients' gender, weight or nationality. The survival rate of the AVF as defined by the fistula patency rate was divided into three categories: short-term patency (early AVF failure in: less than 6 weeks), medium-term patency (6 to 52 weeks) and long-term patency (more than 52 weeks).

Results: There were 603 patients (386 males and 217 females). The mean age was 48.5 years (SD ± 18.6). 326 patients were Saudis. The cause of ESRD was diabetes mellitus in 2 75 patients, glomerulonephritides in 170 patients and hypertension in 158 patients. The mean BMI was 29 (SD ± 3.7). 580 of the patients had arteriovenous fistula (AVF), 44 had arteriovenous graft (AVG), and 35 patients received only central venous catheter. There was a high early failure rate of AVF 46.4%, particularly in females (61.5%, p =0.0001) and non Saudis (55%, p=0.0008). The long-term patency rate (> 52 weeks) was 38.8 % with no differences seen between genders or nationalities. BMI did not have an effect on AVF survival. The incidence of other complications combined was only 5.3%.

Conclusion: The vast majority of angioaccess was AVF in keeping with NKF-DOQI guidelines. There was a high early AVF failure rate in women and non-Saudis. Diabetes mellitus seems to be a strong contributing factor but not other renal disease etiologies. Further research is needed in this field in Saudi Arabia.


End Stage Renal Disease Hemodialysis Central Venous Catheter Native Arteriovenous Fistula Arteriovenous Graft

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