Our arteriovenous fistula experiences with grafts in hemodialysis patients

Abstract

Aim: In patients whose life is dependent on hemodialysis, the most suitable vascular access routes are arteriovenous fistulas made with native vessels. However, in patients whose natural vessels are depleted, or not suitable, arteriovenous fistulas can be opened with artificial grafts. Our aim is to examine arteriovenous fistulas opened with synthetic grafts in hemodialysis patients who do not have native vascular access in the upper extremity and share our results.
Methods: Patients who underwent opening of an arteriovenous fistula with a synthetic graft to the upper extremities in Adıyaman University Faculty of Medicine, Cardiovascular Surgery Clinic between December 2012 and December 2018 were examined in this retrospective cohort study. They were screened for age, gender, end-stage renal failure etiology, complications in vascular access site, postoperative follow-up, and duration of use. Primary and secondary patency rates were determined.
Results: It was determined that synthetic grafts were used in 33 (15 males, 18 females) out of 436 arteriovenous fistulas (AVF) opened to 372 patients. The mean age was 59.2 (17) years. Left radiocephalic (RC) straight graft fistula was opened in 2 patients, left brachiocephalic (BC) straight graft fistula was opened in 12, left BC distal loop AVF in 13, right BC distal loop AVF in 1, left brachioaxillary (BA) distal loop AVF in 3 and right BA distal loop was used to open an AVF in 2 patients. Primary cumulative patency rates were as follows: 72% in the 3rd month, 65% in the 6th month, 42.24% in the 12th month. The secondary patency rates were 33.9% in the 60th month, 12% in the 60th month, 96.96% in the 12th and 24th months, 90.28% in the 36th and 48th months, 59.12% in the 60th month and 43.11% in the 72nd month.
Conclusion: In chronic renal failure patients who do not have a natural vascular access routes or whose natural routes have been exhausted, AVFs that are opened to the upper extremities with a synthetic graft are suitable vascular access routes for long-term dialysis. 

Keywords

• Chronic kidney failure
• Hemodialysis
• Synthetic graft
• Arteriovenous fistula

Hemodiyaliz hastalarında greft ile arteriyovenöz fistül tecrübelerimiz

Öz

Amaç: Yaşamı hemodiyalize bağımlı hastalarda, en uygun vasküler erişim yolu nativ damarlar ile yapılan arteriyovenöz fistüllerdir. Ancak doğal damarları tükenen veya uygun olmayan hastalarda, yapay greftler ile arteriyovenöz fistüller açılabilir. Amacımız üst ekstremitede vasküler erişim yolu olmayan hemodiyaliz hastalarında sentetik greft ile açılan arteriyovenöz fistülleri incelemek ve literatür eşliğinde sonuçlarımızı paylaşmaktır.
Yöntemler: Çalışma retrospektif kohort çalışması olarak tasarlandı. Aralık 2012-Aralık 2018 tarihleri arasında Adıyaman Üniversitesi Tıp Fakültesi Kalp ve Damar Cerrahisi Kliniği’nde üst ekstremitelere sentetik greft ile arteriyovenöz fistül açılan hastalar incelendi. Hastalar yaş, cinsiyet, son dönem böbrek yetmezliği etiyolojisi, komplikasyonlar vasküler erişim bölgesi, postoperatif takip ve kullanım süresi açısından tarandı. Birincil ve ikincil açıklık oranları belirlendi.
Bulgular: Toplamda 372 hastaya açılan 436 arteriyovenöz fistülden 33 (15 erkek, 18 kadın) hastaya sentetik greft ile arteriyovenöz fistül (AVF) açıldığı tespit edildi. Yaş ortalaması 59.2 (17) İdi. Hastaların 2’sinde sol radiyosefalik (RC) düz, 12’sinde sol brakiosefalik (BC) düz greft AVF, 13’ünde sol BC distal loop AVF, 1’inde sağ BC distal loop AVF, 3’ünde sol brakioaksiller (BA) distal loop AVF ve 2’sinde sağ BA distal loop ile AVF açıldığı görüldü. Primer kümülatif açıklık oranları; 3. ayda %72, 6. ayda %65, 12. ay %42,24. ayda %33, 60. ayda %12 iken sekonder açıklık oranları 12 ve 24. aylarda %96,96, 36 ve 48.aylarda %90,28, 60. ayda %59,12 ve 72 ayda %43,11 idi.
Sonuç: Nativ vasküler erişim yolu olmayan veya tükenen kronik böbrek yetmezliğindeki hastalarda, üst ekstremitelere sentetik greft ile açılan AVF’ler, uzun süre kullanılabilen diyaliz erişim yolu sağlayan, uygun bir vasküler erişim yoludur.

Anahtar Kelimeler

• Kronik böbrek yetmezliği
• Hemodiyaliz
• Sentetik greft
• Arteriyovenöz fistül

Kaynakça

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