Late Migration of Percutaneous Bio-Absorbable Devices-A Word of Caution.
Summary of "Late Migration of Percutaneous Bio-Absorbable Devices-A Word of Caution."
Abstractâ€‚ Background: Closures of atrial septal defects or a patent foramen ovale (PFO) are increasingly performed percutaneously. The experience of late migration of a new bio-absorbable device is presented here, followed by conceptual discussion. Methods: Six months post PFO closure with a BioSTARÂ® device a patient presented with chest pain. Echocardiography showed a hyperechogenic structure perforating the aortic wall. Results: Surgical exploration showed a perforation of the ascending aorta by one metallic, non absorbable arm. This is the second case of late (>6 months) dislocation of the residual framework of the occluder. Conclusions: The overall incidence of perforation of cardiac structures due to secondary dislocation is low. However this complication exists and should kept in mind in symptomatic patients with new onset of chest pain, after percutaneous procedures. The concept of biodegradation, with residual, non absorbable metal braiding, should be reviewed, analyzing in particular long term results and incidence of secondary dislocation. (J Card Surg 2011; **:1-3).
Department of Cardiovascular surgery Department of Cardiac Anesthesia, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland.
This article was published in the following journal.
Name: Journal of cardiac surgery
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22136308
- DOI: http://dx.doi.org/10.1111/j.1540-8191.2011.01357.x
Medical and Biotech [MESH] Definitions
Percutaneous excision of a herniated or displaced intervertebral disk by posterolateral approach, always remaining outside the spinal canal. Percutaneous nucleotomy was first described by Hijikata in Japan in 1975. In 1985 Onik introduced automated percutaneous nucleotomy which consists in percutaneous aspiration of the nucleus pulposus. It is carried out under local anesthesia, thus reducing the surgical insult and requiring brief hospitalization, often performed on an outpatient basis. It appears to be a well-tolerated alternative to surgical diskectomy and chymopapain nucleolysis.
Excision, in part or whole, of an intervertebral disk. The most common indication is disk displacement or herniation. In addition to standard surgical removal, it can be performed by percutaneous diskectomy (DISKECTOMY, PERCUTANEOUS) or by laparoscopic diskectomy, the former being the more common.
Cell Migration Inhibition
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Cell Migration Assays
Specific assays that measure the migration of cells. They are commonly used to measure the migration of immune cells in response to stimuli and the inhibition of immune cell migration by immunosuppressive factors.
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