Impra

hydrophobic, microporous, biocompatible material; used in keratoprosthesis; similar physicochemical structure to Gore-Tex but only Impra can become transparent

Networked: 9 relevant articles (0 outcomes, 0 trials/studies)

Bio-Agent Context: Research Results

Experts

1.	Caputo, Massimo: 1 article (11/2006)
2.	Chen, Qiang: 1 article (11/2006)
3.	Modi, Paul: 1 article (11/2006)
4.	Pawade, Ash: 1 article (11/2006)
5.	Majeski, James: 1 article (11/2002)

Related Diseases

1.	Thrombosis (Thrombus) 01/01/1983 - "Although extensive thrombus formation was observed on the porous PTFE materials (GORE-TEX and IMPRA), the thrombi formed were flat and did not significantly block the lumen. " 11/01/1989 - "The authors examined 29 PTFE graft fistulas surgically excised from patients on hemodialysis for one or more of the following complications: infection 7, 2 with associated hemorrhage; thrombosis 9; aneurysm 11, 3 with associated thrombosis; stenosis 5, 3 with associated thrombosis; hemorrhage 4 and arterial steal 2. The explanted prostheses were reinforced Gore-tex in 20, Gore-tex thin wall in 1, Impra I in 4, Impra II in 3 and Vitagraft in 1. It was also noted that the implants failed in the short term mainly because of infection, in the medium term mainly because of thrombosis and stenosis, and in the long term usually because of aneurysm."
2.	Infections 11/01/1980 - "Five commonly used prostheses were compared for susceptibility to bacteremic infection: US Catheter and Instrument Co (USCI) Ultralight weight knitted Dacron, USCI Sauvage filamentous velour Dacron, Meadox Microvel double velour knitted Dacron, polytetrafluoroethylene (PTFE)-Impra, and PTFE-Gore-tex. " 11/01/1989 - "The authors examined 29 PTFE graft fistulas surgically excised from patients on hemodialysis for one or more of the following complications: infection 7, 2 with associated hemorrhage; thrombosis 9; aneurysm 11, 3 with associated thrombosis; stenosis 5, 3 with associated thrombosis; hemorrhage 4 and arterial steal 2. The explanted prostheses were reinforced Gore-tex in 20, Gore-tex thin wall in 1, Impra I in 4, Impra II in 3 and Vitagraft in 1. It was also noted that the implants failed in the short term mainly because of infection, in the medium term mainly because of thrombosis and stenosis, and in the long term usually because of aneurysm."
3.	Aneurysm (Aneurysms) 11/01/2002 - "Four of the five patients were treated successfully by replacing the proximal saphenous venous aneurysm with a 6-mm expanded polytetrafluoroethylene (IMPRA) interposition graft. " 11/01/1989 - "The authors examined 29 PTFE graft fistulas surgically excised from patients on hemodialysis for one or more of the following complications: infection 7, 2 with associated hemorrhage; thrombosis 9; aneurysm 11, 3 with associated thrombosis; stenosis 5, 3 with associated thrombosis; hemorrhage 4 and arterial steal 2. The explanted prostheses were reinforced Gore-tex in 20, Gore-tex thin wall in 1, Impra I in 4, Impra II in 3 and Vitagraft in 1. It was also noted that the implants failed in the short term mainly because of infection, in the medium term mainly because of thrombosis and stenosis, and in the long term usually because of aneurysm."
4.	Wounds and Injuries (Trauma) 04/01/1991 - "All animals had Impra vascular-graft wound cylinders placed subcutaneously in the dorsal midline and were placed in four dietary groups: high fat (50% kcal), medium fat (30% kcal), low fat (2.5% kcal), and chow (Purina Standard Laboratory Rodent Chow, 17% kcal as fat). "
5.	Takayasu Arteritis (Arteritis, Takayasu's) 10/01/1982 - "[Case of aortitis syndrome repaired by IMPRA arterial prosthesis]."

Related Drugs and Biologics

1.	Polytetrafluoroethylene (Teflon)
2.	Polyethylene Terephthalates (Polyethylene Terephthalate)
3.	velour

Related Therapies and Procedures

1.	Prostheses and Implants (Prosthesis)
2.	Catheters
3.	Renal Dialysis (Hemodialysis)