Sentence examples for proximal vessel from inspiring English sources
Extracranial to intracranial bypass grafts are used to augment the distal circulation as an adjunct to proximal vessel occlusion for aneurysm treatment.
CT illustrates (Fig. 3b) a rudimentary proximal vessel and hypoplastic lung.
His right (a) and left anterior descending coronary arteries (b) demonstrate the presence of calcified and non-calcified plaque in all proximal vessel segments.
Although MR angiography (MRA) can also identify proximal vessel occlusion, we did not include these studies because MRI is not available in the emergency department at most hospitals [17] and is not a required emergent service for PSCs.
On the other hand, rtPA alone shows a low rate of acute recanalization particularly in proximal vessel occlusion (distal ICA 4.4%; M1-MCA (32.3%); M2-MCA (30.8%)) which is significantly improved only with an endovascular or combined ('bridging') approach [33 35].
Microcirculatory dysfunction is a process distinct from proximal vessel spasm.
Alternatively, the changes seen in more proximal vessels may arise secondary to a sustained increase in intravascular pressure.
This can be accomplished with temporary clip ligation of proximal vessels, or with deep hypothermic circulatory arrest on cardiopulmonary bypass, although these methods have their own inherent risks.
With appropriate safety precautions, it is a reasonable alternative method when temporary clipping of proximal vessels is not desirable or not possible.
In upper extremity MRA (Table 2), time-resolved MRA is preferred for the forearm and hand vessels, with a standard CE-MRA for the proximal vessels (Fig. 16, ESM 6).
The indications for a cross-leg free flap procedure are limited to the following: (1) lack of adequate recipient vessels in the wound with prominent swelling so that patency of long vein grafts would be difficult to maintain; (2) dissection of proximal vessels would be time-consuming (in re-exploration cases that require immediate revascularization) [8].
