Clinical Use of Omniflow Vascular Graft as Arteriovenous Bridging Graft for Hemodialysis

Wang, Shoei-Shen; Chu, Shu‐Hsun

doi:10.1111/j.1525-1594.1996.tb00674.x

Cited by 31 publications

(16 citation statements)

References 9 publications

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“…20 The Omniflow II Vascular Prosthesis (OVPII; Bio Nova International Pty Ltd, North Melbourne, VIC, Australia) is a collagen-polyester composite that has been successfully used for peripheral vascular replacement 21 and as an arteriovenous bridging graft for hemodialysis. 22,23 It is a truly integrated biosynthetic composite of polyester mesh and ovine connective tissue components. 24 OVPII is composed of a polyester net set on a silicon mandrel that is implanted on the sheep's back to form a tube of collagen that is fixed by glutaraldehyde at the moment of removal.…”

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confidence: 99%

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Basilic vein transposition versus biosynthetic prosthesis as vascular access for hemodialysis

Morosetti¹,

Cipriani

Dominijanni³

et al. 2011

Journal of Vascular Surgery

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confidence: 99%

“…Furthermore, OVPII demonstrates excellent resistance to infection in AV access situations. [25][26][27] To date, no clear evidence is available that documents the type of VA that could be the best choice in complex patients.…”

mentioning

confidence: 99%

Basilic vein transposition versus biosynthetic prosthesis as vascular access for hemodialysis

Morosetti¹,

Cipriani

Dominijanni³

et al. 2011

Journal of Vascular Surgery

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“…Bizde çalışmamızda BVT işlemini iki aşamalı olarak gerçekleştirdik. Ancak üst ekstremitelerinde otojen dokularıyla AVF açılma şansını yitirmiş olan hastalarda seçenek cerrahi uygulamanın yapay greft mi yoksa otojen greftler ile mi olması gerektiği konusu literatürde açık değildir (20,21,22,23,24,25,26,27). Çalışmamızda üst ekstremitelerinde otojen dokularıyla Radyo-sefalik arteryo-venoz fistülleri veya Brakio-sefalik arteryo-venoz fistülleri açılma şansını yitirmiş olan hastaların 20 tanesinde SV greft ile (Grup 1), 20 tanesinde BVT ile (Grup 2) ikincil AVF oluşturulmuştur.…”

Section: Discussionunclassified

Saphenous Vein or Basilic Vein Transposition in Hemodialysis Patients?

Odabaşı¹,

Arı²,

Ekim³

2011

Turk Neph Dial Transpl

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ÖZAMAç: Safen ven (SV) greft ve basilik ven transpozisyonu (BVT) ile ikincil arteriyo-venöz fistül (AVF) oluşturulması hemodiyaliz (HD) için damar giriş yolu oluşturulmasında iyi bir seçenek oluştururlar. Eş zamanlı olarak ikincil AVF oluşturulmuş hasta serileri açık kalım ve komplikasyon oranları yönünden gözden geçirildi. GErEÇ ve YÖNTEMlEr:Ocak 2006 ile ocak 2010 tarihleri arasında 40 ikincil HD erişim işlemi ardışık 40 hastada uygulandı. Tüm erişim girişimleri kol ve önkolun operasyon öncesi dubleks ultrasonografi (USG) taramalarının ardından gerçekleştirilmiştir. İşlevsel açıklık hastada başarılı bir şekilde HD yapılabilmesi olarak tanımlanmıştır. SV greft ve BVT birincil ve ikincil olarak ve işlevsel açıklığın sağlanması "Kaplan Meier" yöntemi ile, açık kalma oranları arasındaki farklar Log-Rank testi ile, tomboliz, trombektomi ve operasyonel gözden geçirme gibi gözden geçirme oranları arasındaki farklar Z testi ve Fisher Exact T testi ile belirlenmiştir.BUlGUlAr: Ortalama izlem süresi 48 ay idi ( 43-54 ay). Her iki grubun risk faktörleri benzer idi. SV greft grubu ve BVT için açık kalım oranları arasında fark yoktu. HD giriş komplikasyonları SV greft grubunda daha fazla idi.SoNUÇ: Üst ekstremitesinde ikincil AVF açılması gereken hastalarda anatomik ölçütlere bağlı olarak bulgularımızdan kuvvetle çıkan önerme bazilik ven transpozisyonu safen ven greftinden önce düşünülebilir.AnAhtAR SÖZCÜkleR: Hemodiyaliz, Safen ven greft, Basilik ven transpozisyonu, Arteriyovenöz fistül ABStRACt oBjECTıVE: Secondary arteriovenous fistula (AVF) management with saphenous vein (SV) graft and basilic vein transposition (BVT) in HD-dependent patients are good alternatives. A concurrent series of patients was reviewed to evaluate the patency and complication rates after AVF formation. MATErıAl and MethoDS:From January 2006 to January 2010, 40 secondary HD access procedures were performed in 40 consecutive patients. All access procedures were planned on the basis of preoperative duplex ultrasonography (USG) scans of arm and forearm veins. Functional patency was defined as the ability to cannulate the patient for HD successfully. Primary and secondary cumulative functional patency of SV grafts and BVT's were determined with the Kaplan Meier test, differences were analyzed with Log Rank test, and differences in revision rates including thrombolysis thrombectomies and operative revisions were analyzed with the Z test and the Fisher exact T test. rESUlTS: Mean follow up was 48 months (range 43-54 months). Risk factors were similar between the two groups. SV group and BVT group had similar patency ratings. The HD access complication rates were higher in the SV group. CoNClUSıoN: Our data strongly support the notion that the BVT must always be considered before an SV graft as long as the patient is a candidate for an upper arm secondary AVF creation based on anatomical criteria.

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“…Commercially, only biosynthetic vascular grafts are nowadays available, such as Omniflow (produced by Bionova but recently acquired by LeMaitre Vascular); Omniflow, sold now in an improved version, is a composite of crosslinked ovine collagen with a polyester mesh endoskeleton. The polyester mesh provides strength and durability, designed to resist aneurysm formation (Wang and Chu, ).…”

Section: Future Perspectives: Applications In Surgerymentioning

confidence: 99%

Decellularized biological matrices: an interesting approach for cardiovascular tissue repair and regeneration

Boccafoschi

Botta

Fusaro

et al. 2015

J Tissue Eng Regen Med

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The repair and replacement of blood vessels is one of the most challenging topics for biomedical research. Autologous vessels are preferred as graft materials, but they still have many issues to overcome: for instance, they need multiple surgical procedures and often patients may not have healthy and surgically valuable arteries useful as an autograft. A tissue-engineering approach is widely desirable to generate biological vascular prostheses. Recently, decellularization of native tissue has gained significant attention in the biomedical research field. This method is used to obtain biological scaffolds that are expected to maintain the complex three-dimensional structure of the extracellular matrix, preserving the biomechanical properties of the native tissues. The decellularizing methods and the biomechanical characteristics of these products are presented in this review. Decellularization of biological matrices induces the loss of major histocompatibility complex (MHC), which is expected to promote an immunological response by the host. All the studies showed that decellularized biomaterials possess adequate properties for xenografting. Concerning their mechanical properties, several studies have demonstrated that, although chemical decellularization methods do not affect the scaffolds' mechanical properties, these materials can be modified through different treatments in order to provide the desired mechanical characteristics, depending on the specific application. A short overview of legislative issues concerning the use of decellularized substitutes and future perspectives in surgical applications is also presented. Copyright © 2015 John Wiley & Sons, Ltd.

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Clinical Use of Omniflow Vascular Graft as Arteriovenous Bridging Graft for Hemodialysis

Cited by 31 publications

References 9 publications

Basilic vein transposition versus biosynthetic prosthesis as vascular access for hemodialysis

Basilic vein transposition versus biosynthetic prosthesis as vascular access for hemodialysis

Saphenous Vein or Basilic Vein Transposition in Hemodialysis Patients?

Decellularized biological matrices: an interesting approach for cardiovascular tissue repair and regeneration

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