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87 results on '"Grifka, Ronald G."'

72. New Gianturco-Grifka Vascular Occlusion Device

Author

Grifka, Ronald G., primary, Mullins, Charles E., additional, Gianturco, Cesare, additional, Nihill, Michael R., additional, O’Laughlin, Martin P., additional, Slack, Michael C., additional, Clubb, Fred J., additional, and Myers, Timothy J., additional

Published
1995
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83. Coronary Artery Fistula.

Author

McMahon, Colin J., Nihill, Michael R., Kovalchin, John P., Mullins, Charles E., and Grifka, Ronald G.

Subjects
*ARTERIAL occlusions, *CORONARY arteries, *FISTULA
Abstract

Presents a study which described the management decisions and intermediate-term progress of patients after transcatheter coil occlusion of coronary artery fistulae. Information on transcatheter coil occlusion; Discussion on coronary artery fistulae; Conclusion.

Published
2001

85. Combined tricuspid valvuloplasty and superior cavopulmonary anastomosis for repair of traumatictricuspid valve injury.

Author

Dimas VV, Grifka RG, and Fraser CD Jr

Subjects
Adolescent, Child, Humans, Male, Tricuspid Valve injuries, Tricuspid Valve Insufficiency etiology, Heart Bypass, Right, Heart Injuries complications, Tricuspid Valve surgery, Tricuspid Valve Insufficiency surgery, Wounds, Nonpenetrating complications
Abstract

Chronic tricuspid valve insufficiency secondary to blunt chest trauma is rare in the pediatric population, with fewer than 10 cases reported. Surgical repair has focused on the tricuspid valve. We present 2 cases of traumatic tricuspid valve insufficiency in pediatric patients after blunt chest trauma in whom tricuspid valve repair was performed along with superior cavopulmonary anastomosis. To our knowledge, this is the 1st report of the use of this combination of surgical procedures for repair of traumatic tricuspid regurgitation in either adults or children.

Published
2004

87. Transcatheter PDA Closure Using the Gianturco-Grifka Vascular Occlusion Device.

Author

Grifka RG

Abstract

Transcatheter interventional procedures for the treatment of congenital heart defects have become increasingly important. The patent ductus arteriosus (PDA) is a common congenital defect that is amenable to transcatheter occlusion. Several transcatheter occlusion devices are available. However, due to different PDA shapes and sizes, each device cannot be used to occlude every PDA. Thus, there is a need for new safe and effective transcatheter occlusion devices. We developed a new transcatheter device, the Gianturco-Grifka Vascular Occlusion Device (GGVOD), which consists of a nylon sack attached to an end-hole catheter. A wire is advanced through the catheter into the sack. The wire coils, filling the sack, occluding the vessel, and providing transmural pressure to maintain the sack position. Prior to release, the device may be repositioned, removed, or exchanged for a different sized device. The device is available in four sizes. We evaluated this device in a canine model, occluding subclavian and carotid arteries, and surgically created aortopulmonary shunts. All vessels were occluded completely without complication. In children, we have used the device to occlude PDA and other vascular anomalies. In every patient, the PDA (or other vessel) was occluded completely and without complication. When compared with other occlusion devices, this device has several advantages: the ability to reposition the device or remove it prior to release, the ability to conform to many vascular shapes, and four different sizes. The GGVOD has become another important tool in the transcatheter armamentarium.

Published
2001

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