dissection


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Related to dissection: aortic dissection, Dissection of aorta

dissection

[də′sek·shən]
(geology)
Destruction of the continuity of the land surface by erosive cutting of valleys or ravines into a relatively even surface.
References in periodicals archive ?
Short et al reported that the degree of shoulder pain and dysfunction is less in patients who undergo modified radical neck dissection with SAN preservation than it is without preservation of the SAN.
In follow up, as in our case, many of those patients show complete angiographic resolution of the dissection and do not need either angioplasty or surgery (6, 7).
The initial severity of stroke, bilateral dissections, intracranial dissection, presentation of the dissection with subarachnoid hemorrhage (SAH), and recurrent bleeding have been associated with poor outcomes in patients with VAD (6,7,8,11,12,13).
Is a limited lymph node dissection an adequate staging procedure for prostate cancer?
Further Internet-searching for "cube dissection" or "six-piece dissection of hollow cube" will find typical (but irrelevant, here) mention of the Soma cube dissection, as well as many other interesting online resources.
There is a growing body of evidence in support of endovascular repair for thoracic aortic dissection as a minimally invasive alternative to open surgical repair and even medical therapy alone," said Joseph Bavaria, MD, professor of surgery and director of the thoracic aortic surgery program at the University of Pennsylvania in Philadelphia, and a national principal investigator for the Medtronic DISSECTION Trial.
Because 10-30% of Takayasu's arteritis patients have coronary artery lesions, this disease should be regarded as a risk factor for aortic dissection and aneurysm.
A dissection is not a hole in an artery, which would cause extensive bleeding.
Spontaneous coronary artery dissection is an uncommon and an under-recognized cause of acute coronary syndrome, AMI and sudden death.
Researchers studied the relationship of lunar cycles and seasonal variation on two surgical groups: Group A: Patients having repair of ascending aortic dissection, and Group B: Patients having aortic dissection and either aortic valve surgery, coronary bypass surgery, or both.
The patient was stabilised and urgent coronary angiography revealed a large dissection of the left main coronary artery, with absence of flow in both the left anterior descending and circumflex coronary arteries.
The patient was immediately transferred to intensive care unit, and transesophageal echocardiography (TEE) revealed a dissection flap above the STJ (Fig.