The Regent™ aortic mechanical valve offers surgeon-friendly implantability, featuring a low valve implant height that helps ensure coronary ostia clearance. Two distinct cuff types—FlexCuff™ or Standard Cuff—provide you with different options. The Regent™ valve features exceptional hemodynamics in small aortic root patients.1*
Because prosthesis-patient mismatch (PPM) can be problematic in the aortic position, Abbott designed the Regent™ valve specifically to avoid this issue. The orifice-to-annulus ratio of the Regent™ valve ensures large effective orifice areas (EOAs) and reduces PPM.2
The Regent™ valve shows low thromboembolism, thrombosis, and bleeding over a wide international normalized ratio (INR) range, making this valve an excellent choice.3-6
Pibarot P, Dumesnil JG. Hemodynamic and clinical impact of prosthesis-patient mismatch in the aortic valve position and its prevention. J Am Coll Cardiol. 2000;36(4):1131-1141. doi.org/10.1016/s0735-1097(00)00859-7.
Bach DS, Sakwa MP, Goldbach M, et al. Hemodynamics and early clinical performance of the St. Jude Medical Regent mechanical aortic valve. Ann Thorac Surg. 2002;74(6):2003-2009.
Torella M, Torella D, Chiodini P, et al. LOWERing the INtensity of oral anticoaGulant Therapy in patients with bileaflet mechanical aortic valve replacement: results from the "LOWERING-IT" Trial. Am Heart J. 2010;160(1); 171-178. doi: 10.1016/j.ahj.2010.05.005
Koertke H, Zittermann A, Wagner O, et al. Efficacy and safety of very low-dose self-management of oral anticoagulation in patients with mechanical heart valve replacement. Ann Thorac Surg. 2010;90(5):1487-1493.
Emery RW, Krogh CC, Arom KV, et al. The St. Jude Medical cardiac valve prosthesis: a 25-year experience with single valve replacement. Ann Thorac Surg. 2005;79(3):776-82. doi: 10.1016/j.athoracsur.2004.08.047
The SJM Regent™ Mechanical Heart Valve is intended for use as a replacement valve in patients with a diseased, damaged, or malfunctioning aortic valve. This device may also be used to replace a previously implanted aortic prosthetic heart valve.
CONTRAINDICATIONS
The SJM Regent™ Mechanical Heart Valve is contraindicated for individuals unable to tolerate anticoagulation therapy.
WARNINGS
For single use only. Attempts to reuse the valve may result in valve malfunction, inadequate sterilization, or patient harm.
Do not use if:
The valve has been dropped, damaged, or mishandled in any way.
The expiration date has elapsed.
The tamper-evident container seal or inner/outer tray seals are damaged, broken or missing.
Remove any residual tissue that may impair valve size selection, correct seating of the valve, rotation of the valve, or leaflet motion.
Proper valve size selection is crucial. Do not oversize the valve. If the native annulus measurement falls between two SJM Regent™ Mechanical Heart Valve sizes, use the smaller size SJM Regent™ Mechanical Heart Valve.
Use only St. Jude Medical ™ mechanical heart valve sizers.
The outer tray is not sterile, and should not be placed in the sterile field.
To minimize direct handling of the valve during implantation, do not remove the holder/rotator until the valve has been seated in the annulus.
Do not use hard or rigid instruments to test leaflet mobility, as this may result in structural damage to the valve or thromboembolic complications. Use a St. Jude Medical™ leaflet tester to gently test valve leaflet mobility.
Do not use cutting edge needles in the sewing cuff. If use of these needles is necessary, placement of sutures in the outer half of the sewing cuff is imperative.
Never apply force to the valve leaflets. Force may cause structural damage to the valve.
Use only the valve holder/rotator packaged with the SJM Regent™ Mechanical Heart Valve to perform valve rotation. Use of other instruments could result in structural damage. The valve holder/ rotator is intended for single use only and should be discarded after surgery.
The two retention sutures on the valve holder/ rotator must be cut and removed before the SJM Regent™ Mechanical Heart Valve can be rotated.
Do not pass catheters or other instruments through St. Jude Medical™ mechanical heart valves. This could result in scratched or damaged valve components, or leaflet fracture or dislodgment.
Cut suture ends short, especially in the vicinity of the pivot guards, to prevent leaflet impingement.
PRECAUTIONS
Do not touch the prosthetic valve unnecessarily, even with gloved hands. This may cause scratches or surface imperfections that may lead to thrombus formation.
Be careful not to cut or tear the valve sewing cuff when removing the identification tag and the holder/rotator from the SJM Regent™ Mechanical Heart Valve.
Before placing sutures in the valve cuff, verify that the valve is mounted correctly on the valve holder/rotator.
To avoid structural damage, the valve must be rotated in the fully closed position.
To minimize rotational torque, verify that the valve holder/rotator is properly seated in the valve, and that the valve holder handle is perpendicular to the valve (Figures 15a and 15b).
Remove any loose suture or thread, which may be a source of thrombus or thromboembolism.
POTENTIAL ADVERSE EVENTS
Complications associated with replacement mechanical heart valves include, but are not limited to:
hemolysis; infections; thrombus; or thromboembolism; valve dehiscence; unacceptable hemodynamic performance; hemorrhagic complications secondary to anticoagulation therapy; prosthetic failure; and heart failure or death.
Any of these complications may require reoperation or explantation of the device.
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SJM REGENT™ MECHANICAL HEART VALVE
