Direct bilateral carotid artery cannulation can be better strategy for acute aortic dissection involving both carotid arteries

2021 ◽  
Author(s):  
Hüseyin Sicim ◽  
Ertan Demirdas ◽  
Cengiz Bolcal
Keyword(s):  
Carotid Artery ◽  
Aortic Dissection ◽  
Carotid Arteries ◽  
Acute Aortic Dissection ◽  
Artery Cannulation ◽  
Bilateral Carotid ◽  
Bilateral Carotid Artery

scholarly journals Aggressive strategy to save the brain in a case of acute aortic dissection

2021 ◽  
Author(s):  
Kenji Minatoya
Keyword(s):  
Case Report ◽  
Carotid Artery ◽  
Aortic Dissection ◽  
Cerebral Perfusion ◽  
Carotid Arteries ◽  
Acute Aortic Dissection ◽  
Extraanatomical Bypass ◽  
Cerebral Malperfusion ◽  
Common Carotid Arteries ◽  
The Brain

The case report by Sicim et al. is the placement of extra-anatomical bypasses in bilateral common carotid arteries. The similar previous reports of the extra-anatomical bypass usually indicate unilateral bypass. Whether or not the Willis’ circle is incomplete is difficult to judge during emergency surgery, and the authors’ judgment seems to have been correct in the sense that it could maintain cerebral perfusion reliably and quickly. The direct perfusion and extraanatomical bypass of carotid artery is a reasonable strategy in patients with cerebral malperfusion.

scholarly journals Bilateral Carotid Artery Occlusion and Cochlear Oxidative Stress and Hearing Loss in Rats

2020 ◽  
Vol 11 (6) ◽  
pp. 821-830
Author(s):  
Hamed Fanaei ◽  
◽  
Akram Pourbakht ◽  
Sadegh Jafarzadeh ◽  
◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Carotid Artery ◽  
Biochemical Analysis ◽  
Carotid Arteries ◽  
Auditory Brainstem ◽  
Artery Occlusion ◽  
Carotid Artery Occlusion ◽  
Bilateral Carotid ◽  
Common Carotid Arteries ◽  
Bilateral Carotid Artery

Introduction: This study aimed to evaluate the effects of bilateral carotid artery occlusion on cochlear oxidative stress and hearing status in rats. Methods: The rats were divided into two sets. The first set was used for electrophysiological recording (click and 4 kHz tone burst auditory brainstem responses and electrocochleography) on the day before surgery and then on the first, fourth, and seventh days after surgery. Animals of the second set were used for biochemical analysis. The cochlea of animals in the second set was collected on the first, fourth, and seventh days after carotids occlusion for biochemical analysis. For the control groups, no carotids occlusion was done. For ischemia induction, both common carotid arteries were occluded for 20 minutes. Results: Electrophysiological analysis showed that burst auditory brainstem thresholds significantly elevated after common carotid arteries occlusion on the first, fourth, and seventh days after surgery with abnormal electrocochleography results at 75%, 70%, and 85% on the first, fourth, and seventh days after surgery, respectively. The electrophysiological finding confirmed by biochemical results that showed malondialdehyde and nitric oxide levels increased and superoxide dismutase and catalase activities decreased after occlusion in cochlea tissue. Conclusion: This study showed that bilateral common carotid artery occlusion increases cochlear oxidative stress and induces hearing loss in rats.

Successful carotid artery stenting in patients with aortic dissection

2020 ◽  
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Aortic Dissection ◽  
Cerebral Infarction ◽  
Acute Ischemic Stroke ◽  
Aortic Arch ◽  
Common Carotid Artery ◽  
Carotid Artery Stenting ◽  
Acute Aortic Dissection ◽  
Optimal Timing

Background: There are no guidelines for the optimal timing of surgery (emergency vs. delayed) for ascending aortic dissection with acute ischemic stroke. We retrospectively compared the prognoses and radiological and clinical findings for concomitant aortic dissection and ischemic stroke in a series of case reports. Case presentation: Three patients presented with left hemiparesis. Patient 1 underwent surgery for acute aortic dissection without treatment for acute ischemic stroke. In Patient 2, emergency stenting could not be performed due to cardiac tamponade and hypotension. Therefore, emergency acute aortic dissection surgery was performed. Patient 3 underwent emergency right common carotid artery stenting followed by surgery for acute aortic dissection. Brain perfusion computed tomography angiography (CTA) was performed to diagnose severe stenosis of the right common carotid artery or occlusion concomitant with acute aortic dissection involving the aortic arch with a cerebral perfusion mismatch in all the patients. Patient 3 had postoperative local cerebral infarction, whereas patients 1 and 2 (without stent insertion) had extensive postoperative cerebral infarction. Conclusion: Patient 3 showed a better prognosis than patients without stent treatment. We suggest that perfusion CTA of the aortic arch in suspected acute ischemic stroke can facilitate early diagnosis and prompt treatment in similar patients.

Epiaortic Ultrasound-Guided True Lumen Cannulation of Ascending Aorta in Acute Aortic Dissection Type A

2021 ◽  
Vol 104 (4) ◽  
pp. 604-609
Keyword(s):  
Aortic Dissection ◽  
Acute Aortic Dissection ◽  
Axillary Artery ◽  
Type A ◽  
Ascending Aorta ◽  
Ultrasound Guided ◽  
True Lumen ◽  
Artery Cannulation ◽  
Aortic Cannulation ◽  
Aortic Dissection Type A

Background: The choice of arterial inflow for acute Stanford type A aortic dissection repair remains controversial. The axillary artery should be considered as first choice for cannulation, but this technique is time-consuming. The ascending aortic cannulation provides antegrade perfusion and can be performed rapidly but there are several concerns such as aortic rupture, extension of dissection, and false lumen cannulation. Objective: To compare the establishment time of cardiopulmonary bypass (CPB) and postoperative outcomes of the two cannulation techniques that provide antegrade perfusion, which was direct true lumen cannulation on the dissected ascending aorta using epiaortic ultrasound-guided and axillary artery cannulation in Siriraj Hospital. Materials and Methods: The authors retrospectively reviewed all the 30 cases of acute aortic dissection type A using two different cannulation methods performed between February 2011 and May 2017. Direct true lumen ascending aortic cannulation was performed using the epiaortic ultrasound-guide with Seldinger technique in 12 patients, and axillary artery cannulation was performed in 18 patients. Results: The direct true lumen ascending aortic cannulation was safely performed in all patients. None of them had aortic rupture. Skin incision to CPB time was significantly faster in the epiaortic ultrasound-guided ascending aortic cannulation group at 29±8 versus 49±14 minutes (p<0.001). The 30-day mortality and postoperative adverse events, such as ischemic stroke, acute kidney injury, visceral organ and limb malperfusion showed no statistically significant difference from the axillary artery cannulation method. Conclusion: Epiaortic ultrasound-guided true lumen cannulation of ascending aorta in the treatment of acute aortic dissection type A is safe and feasible. Skin incision to CPB time can be performed faster and provided good outcome compared to the axillary artery cannulation technique. Keywords: Acute aortic dissection, Ascending cannulation, Epiaortic ultrasound

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