摘要:
A laser therapy system having improved effectiveness in surgical use, particularly in laser angioplasty, can be formed by employing a pulsed source of radiation. The pulsed energy source is preferably an excimer laser having a coherent beam of ultraviolet radiation and preferably is employed in conjunction with a dye laser to produce an output beam which is tunable over a wide portion of the ultraviolet and visible spectrum. The output beam is coupled via a novel coupling device to an optical fiber disposed within a surgical instrument, for example, a percutaneous catheter. The operative components are sealed in a gas-tight, liquid-tight housing. An electronic controller monitors and adjusts the output energy density, duration, and pulse repetition rate. In operation, a pulsed, high energy beam of extremely short duration is available to remove atherosclerotic plague with less damage to the underlying tissue and less chance of perforating the blood vessel wall.
摘要:
A method for treating peripheral neuropathy, particularly ischemic peripheral neuropathy, is provided. The method involves administering to subjects in need of such treatment an effective amount of an angiogenic growth factor to alleviate a symptom of the neuropathy.
摘要:
The present invention relates to replication defective recombinant viruses which contain at least one inserted gene encoding all or part of the protein GAX or of a variant of this protein, and to their therapeutic use, in particular for treating post-angioplastic restenosis.
摘要:
The present invention generally provides methods for modulating formation of new blood vessels. In one embodiment, the methods include administering to a mammal an effective amount of granulocyte macrophage-colony stimulating factor (GM-CSF) sufficient to form the new blood vessels. Additionally provided are methods for preventing or reducing the severity of blood vessel damage in a mammal which methods preferably include administering to the mammal an effective amount of GM-CSF. Provided also as part of this invention are pharmaceutical products and kits for inducing formation of new blood vessels in the mammal.
摘要:
The present invention provides a method for inducing reendothelialization of the lining of an injured blood vessel comprising contacting the injured portion of the vessel with nucleic acid encoding an endothelial cell mitogen operably linked to a promoter (nucleic acid cassette) to result in expression of the mitogen when delivered to the cells at the site of vascular injury. The resulting reendothelialization of the injured blood vessel inhibits smooth muscle cell proliferation and consequently reduces restenosis. The methods of the present invention may be used to treat any blood vessel injury that results in denuding of the endothelial lining of the vessel wall, including, for example, those injuries resulting from balloon angioplasty and deployment of endovascular stents.
摘要:
A technique for percutaneous treatment of idiopathic hypertropic subaortic stenosis (IHSS) and hypertrophic cardiomyopathy (HCM). IHSS and HCM are diseases of the heart in which the septum of the left ventricle thickens resulting in reduced ventricular performance. Current treatments involve drug therapy or a medical intervention called an interoperative myotomy/myectomy using the Morrow procedure. The present invention uses laser energy delivered via fiber optics placed percutaneously to irradiate the thickened septum to reduce tissue volume of the septum and enhance left ventricular function.
摘要:
Pharmaceutical products are provided comprising EC progenitors for use in methods for regulating angiogenesis, i.e., for enhancing or inhibiting blood vessel formation, in a selected patient and in some preferred embodiments for targeting an angiogenesis modulator to specific locations. For example, the EC progenitors can be used to enhance angiogenesis or to deliver an angiogenesis modulator, e.g., anti- or pro-angiogenic agents, respectively to sites of pathologic or utilitarian angiogenesis. Additionally, in another embodiment, EC progenitors can be used to induce reendothelialization of an injured blood vessel, and thus reduce restenosis by indirectly inhibiting smooth muscle cell proliferation.
摘要:
The present invention relates to replication defective recombinant viruses which contain at least one inserted gene encoding all or part of the protein GAX or of a variant of this protein, and to their therapeutic use, in particular for treating post-angioplastic restenosis.
摘要:
The present invention provides a method for inducing reendothelialization of the lining of an injured blood vessel comprising contacting the injured portion of the vessel with nucleic acid encoding an endothelial cell mitogen such as vascular endothelial growth factor (VEGF) operably linked to a promoter to result in expression of the mitogen when delivered to the cells at the site of vascular injury. The resulting reendothelialization of the injured blood vessel inhibits smooth muscle cell proliferation and consequently reduces restenosis. The methods of the present invention may be used to treat any blood vessel injury that results in denuding of the endothelial lining of the vessel wall, including, for example, those injuries resulting from balloon angioplasty and deployment of endovascular stents.
摘要:
The present invention provides a method for the delivery of a nucleic acid to an arterial cell comprising contacting the cell with a hydrophilic polymer incorporating the nucleic acid. The nucleic acid may be any nucleic acid, including antisense DNA or RNA. The nucleic acid may encode hormones, enzymes, receptors or drugs of interest. The nucleic acid is selected based upon the desired therapeutic outcome. For example, in the treatment of ischemic diseases, one would select a DNA encoding an angiogenic protein. The nucleic acid may be carried by a microdelivery vehicle such as cationic liposomes and adenoviral vectors. DNA encoding different proteins may be used separately or simultaneously.