Volume 24, Issue 2 (7-2018)
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Vahedi S A, Aghaali M, Ghanbari Afra L, Asayesh H, Mashhadi F, Saghafi H et al . The effect of distance and direction of needle cannulation on the recirculation of arteriovenous fistula: A clinical trial
. Journal of Hayat 2018; 24 (2) :102-110
URL: http://hayat.tums.ac.ir/article-1-2264-en.html
URL: http://hayat.tums.ac.ir/article-1-2264-en.html
Sede Azam Vahedi1 
, Mohammad Aghaali2 , Leila Ghanbari Afra * 3, Hamid Asayesh4 , Freidoon Mashhadi1 , Hossein Saghafi5 , Fatemeh Koochakzadeh1
, Mohammad Aghaali2 , Leila Ghanbari Afra * 3, Hamid Asayesh4 , Freidoon Mashhadi1 , Hossein Saghafi5 , Fatemeh Koochakzadeh1
1- Kamkar - Arabnia Hospital, Qom University of Medical Sciences, Qom, Iran
2- Dept. of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3- Kamkar - Arabnia Hospital, Qom University of Medical Sciences, Qom, Iran ,ghanbari.afra91@yahoo.com
4- Dept. of Medical Emergencies, School of Paramedicine, Qom University of Medical Sciences, Qom, Iran
5- Dept. of Nephrology, School of Medicine, Qom University of Medical Sciences, Qom, Iran
2- Dept. of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3- Kamkar - Arabnia Hospital, Qom University of Medical Sciences, Qom, Iran ,
4- Dept. of Medical Emergencies, School of Paramedicine, Qom University of Medical Sciences, Qom, Iran
5- Dept. of Nephrology, School of Medicine, Qom University of Medical Sciences, Qom, Iran
Abstract: (4671 Views)
Background & Aim: One of the important issues that affects the quality of hemodialysis is recirculation. Some researchers have suggested that the direction and distance of needle cannulation can affect the amount of recirculation. Therefore, this study aimed to investigate the effect of direction and distance of needle cannulation on recirculating of arteriovenous fistula in hemodialysis patients.
Methods & Materials: This clinical trial was performed on patients referred to the dialysis ward of Kamkar-Arabnia hospital affiliated to Qom University of Medical Sciences in 2016. The amount of recirculation was measured in 22 patients by urea based method, in four consecutive sessions. In each session, the distance and direction of the needles were three centimeters in opposite direction, three centimeters in same direction, six centimeters in opposite direction, and six centimeters in same direction. Data were analyzed using Stata and GEE test.
Results: The average age of participants was 53(16±0.75) years. In 41 dialysis cases (out of 88), the amount of recirculation was higher than 10%. The odds ratio for more than 10% recirculation for a distance of three centimeters compared to six centimeters was 2.05 (1.07-3.93) and for same direction compared to opposite direction was 1.98 (1.03-3.78).
Conclusion: The results of this study showed that the insertion of needles at a distance of six centimeters in opposite position had the lowest chance of recirculation. Therefore, the attention to proper insertion of needles can be effective in reducing recirculation and increasing the quality of dialysis.
Clinical trial registry: IRCT2016082929581N1
Methods & Materials: This clinical trial was performed on patients referred to the dialysis ward of Kamkar-Arabnia hospital affiliated to Qom University of Medical Sciences in 2016. The amount of recirculation was measured in 22 patients by urea based method, in four consecutive sessions. In each session, the distance and direction of the needles were three centimeters in opposite direction, three centimeters in same direction, six centimeters in opposite direction, and six centimeters in same direction. Data were analyzed using Stata and GEE test.
Results: The average age of participants was 53(16±0.75) years. In 41 dialysis cases (out of 88), the amount of recirculation was higher than 10%. The odds ratio for more than 10% recirculation for a distance of three centimeters compared to six centimeters was 2.05 (1.07-3.93) and for same direction compared to opposite direction was 1.98 (1.03-3.78).
Conclusion: The results of this study showed that the insertion of needles at a distance of six centimeters in opposite position had the lowest chance of recirculation. Therefore, the attention to proper insertion of needles can be effective in reducing recirculation and increasing the quality of dialysis.
Clinical trial registry: IRCT2016082929581N1
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