جهاز المساعدة الأذينية

Graphic describing a Left Ventricular Assist Device (LVAD). The device pumps blood from the left ventricle to the aorta.

جهاز المساعدة الأذينية Ventricular assist device، أوVAD، هوجهاز يستخدم ليقوم بوظيفة القلب بصفة جزئية أوكاملة في حالات فشل القلب. بعض أجهزة المساعدة الأذينية تستخدم لفترات قصيرة، مثل تلك التي تستخدم لعلاج النوبات القلبية أوجراحة القلب، بينما توجد أجهزة أخرى تستخدم لفترات طويلة (شهور أوسنوات وفي بعض الأحيان طول العمر)، مثل التي يستخدمها السقمى المصابون بفشل القلب الاحتقاني.

التصميم

المضخات

التاريخ

الدراست والأبحاث

المضاعفات والآثار الجانبية

قائمة أجهزة المساعدة الأذينية

هذه قائمة بأهزة المساعدة الأذينية

الجهاز	المصنع	النوع	الموافقة على استخدامه في يوليو2009
Novacor	World Heart	Pulsatile.	Was approved for use in North America, European Union and Japan. Now defunct and no longer supported by the manufacturer.
HeartMate XVE	Thoratec	Pulsatile.	FDA approval for BTT in 2001 and DT in 2003. CE Mark Authorized. Rarely used anymore due to reliability concerns.
HeartMate II	Thoratec	Rotor driven continuous axial flow, ball and cup bearings.	Approved for use in North America and EU. CE Mark Authorized. FDA approval for BTT in April 2008. Recently approved by FDA in the US for Destination Therapy (as at January 2010).
HeartMate III	Thoratec	Continuous flow driven by a magnetically suspended axial flow rotor.	Clinical trials yet to start, uncertain future.
Incor	Berlin Heart	Continuous flow driven by a magnetically suspended axial flow rotor.	Approved for use in European Union. Used on humanitarian approvals on case by case basis in the US. Entered clinical trials in the US in 2009.
Jarvik 2000	Jarvik Heart	Continuous flow, axial rotor supported by ceramic bearings.	Currently used in the United States as a bridge to heart transplant under an FDA-approved clinical investigation. In Europe, the Jarvik 2000 has earned CE Mark certification for both bridge-to-transplant and lifetime use. Child version currently being developed.
MicroMed DeBakey VAD	MicroMed	Continuous flow driven by axial rotor supported by ceramic bearings.	Approved for use in the European Union. The child version is approved by the FDA for use in children in USA. Undergoing clinical trials in USA for FDA approval.
VentrAssist^[]	Ventracor	Continuous flow driven by a hydrodynamically suspended centrifugal rotor.	Approved for use in European Union and Australia. Company declared bankrupt while clinical trials for FDA approval were underway in 2009. Company now dissolved and intellectual property sold to Thoratec.
MTIHeartLVAD	MiTiHeart Corporation	Continuous flow driven by a magnetically suspended centrifugal rotor.	Yet to start clinical trials.
C-Pulse	Sunshine Heart	Pulsatile, driven by an inflatable cuff around the aorta.	Currently in clinical trials in the US and Australia.
HVAD	HeartWare	Miniature "third generation" device with centrifugal blood path and hydromagnetically suspended rotor that may be placed in the pericardial space.	Obtained CE Mark for distribution in Europe, January 2009. Initiated US BTT trial in October 2008 (completed February 2010) and US DT trial in August 2010.
DuraHeart	Terumo	Magnetically levitated centrifugal pump.	CE approved, US FDA trials underway as at January 2010.
Thoratec PVAD (Paracorporeal Ventricular Assist Device)	Thoratec	Pulsatile system includes three major components: Blood pump, cannulae and pneumatic driver (dual drive console or portable VAD driver).	CE Mark Authorized. Received FDA approval for BTT in 1995 and for post-cardiotomy recovery (open heart surgery) in 1998.
IVAD - Implantable Ventricular Assist Device	Thoratec	Pulsatile system includes three major components: Blood pump, cannulae and pneumatic driver (dual drive console or portable VAD driver).	CE Mark Authorized. Received FDA approval for BTT in 2004. Authorized only for internal implant, not for paracorporeal implant due to reliability issues.

انظر أيضا

intra-aortic balloon pump
Gus Rosenberg

المصادر

^ Ventracor was put into liquidation on on July 3, 2009, whereby the company's assets including its intellectual property, data from clinical trials, plant and equipment and residual assets will be put up for saleBoyd, Tony (2009-07-13). "No Heart". Business Spectator. Retrieved 15 September 2009.

وصلات خارجية

LifeFlow LVAD at the University of Virginia
Nader Moazami, Patrick M. McCarthy Temporary Circulatory Support
Eugene L. Kukuy, Mehmet C. Oz, Yoshifumi Naka Long-Term Mechanical Circulatory Support - a review of the subject as at 2003.
Mechanical Circulatory Support Resource Center
Health Center Online VAD
Mayo Clinic VAD
Life without a pulse — news story about Canadian man with VAD
Heart Pump Design Could Give Patients New Hope — A new counter-flow heart pump developed by Queensland University of Technology
Heart pump improves quality of life in congestive heart failure patients A rapid review of the medical literature and specialist opinion as at December 2005
NATIONAL INSTITUTE FOR HEALTH AND CLINICAL EXCELLENCE (UK) Interventional procedures overview - short-term circulatory support with left ventricular assist devices as a bridge to cardiac transplantation or recovery A rapid review of the medical literature and specialist opinion as at December 2005
Courtney J. Gemmato,Matthew D. Forrester,Timothy J. Myers,O.H. Frazier,Denton A. Cooley Thirty-Five Years of Mechanical Circulatory Support at the Texas Heart Institute Tex Heart Inst J 2005;32:168-77