collateral vessel

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col·lat·er·al ves·sel

n. vaso colateral.
1. rama de una arteria que sigue el curso paralela al tronco protector;
2. un vaso que sigue su curso paralelo a otro vaso, nervio u otra estructura mayor. V.: vas collaterale.
References in periodicals archive ?
The improvement in angina often lasts for many months after treatment ends, a phenomenon believed to be due in part to stimulation of collateral vessel formation.
This is probably related to the observation that even if it is necessary to sacrifice the inferior ulnar collateral vessel to allow anterior transposition, this has not been shown to result in either permanent ischemia or functional compromise.
It is represented as a long tortuous vessel that looks more likely as a collateral vessel rather than the actual renal vein.
The main cause of extrahepatic collateral vessel development was believed to be hepatic artery occlusion by postinterventional dissection or embolization.
Progression of the disease from 2006 - 2012 was demonstrated over serial MR examinations, which clearly demonstrated progressive collateral vessel formation around the brainstem as well as progressive narrowing of the ICAs bilaterally.
Dr Hariawala told ANI that President Bush's healthy lifestyle may have delayed the onset of critical heart disease by several years due to collateral vessel formation, and perhaps also helped in " Fast Tracking " his recovery from his Stent procedure.
Tutar et al., "The relationship of chronic angiotensin converting enzyme inhibitor use and coronary collateral vessel development," International Heart Journal, vol.
In this context, the restoration of blood flow to the ischemic ulcer through a medium or large size collateral vessel could provide similar results in terms of ulcer healing and limb salvage rates to those obtained via its specific source tibial artery.
--Vasculogenesis in the treated leg--both collateral vessel numbers improved, p=0.0156 in distal thigh, p=0.0313 in proximal leg, and vessel size improvements in the distal thigh, p=0.0156 and proximal leg, p=0.0625, and TcP02 levels (mean pre-therapy of 14.66 [+ or -] 6.93 improved to 35.75 [+ or -] 17.04, p=0.0032)
Post-operative complications are major challenges that could be prevented through adequate pre-operative preparation of the patient, especially through optimisation of haematological status, good surgical skills (with a careful attention to collateral vessel for proper ligation) and close post-operative management which would enable early detection and management of post-operative complications (12).