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Related Concept Videos

The Arch of Aorta01:10

The Arch of Aorta

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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
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Related Experiment Video

Updated: Dec 11, 2025

Permanent Cerebral Vessel Occlusion via Double Ligature and Transection
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Posterior circulation tandem occlusions: Classification and techniques.

Joshua H Weinberg1, Ahmad Sweid1, Kalyan Sajja1

  • 1Department of Neurological Surgery, Thomas Jefferson University Hospital, 901 Walnut street 3rd Floor, Philadelphia 19107, PA USA.

Clinical Neurology and Neurosurgery
|August 24, 2020
PubMed
Summary
This summary is machine-generated.

Mechanical thrombectomy is a safe and feasible treatment for posterior circulation tandem occlusions, a condition poorly understood in medical literature. This study shows promising outcomes for patients undergoing this endovascular approach.

Keywords:
EndovascularMechanical thrombectomyNeurointerventionPosterior circulationTandem occlusionVertebrobasilar

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Area of Science:

  • Neurology
  • Interventional Neuroradiology
  • Vascular Neurology

Background:

  • Posterior circulation tandem occlusions (PCTO) are not well-documented in existing literature.
  • Limited data exists on endovascular treatment approaches and outcomes for patients with PCTO.

Purpose of the Study:

  • To evaluate the safety and feasibility of mechanical thrombectomy for patients with posterior circulation tandem occlusions.
  • To characterize the outcomes of endovascular treatment in this specific patient subgroup.

Main Methods:

  • A retrospective analysis of a prospectively maintained database.
  • Inclusion of 17 patients with PCTO who underwent mechanical thrombectomy between 2014 and 2019.

Main Results:

  • Successful recanalization (TICI score >2b) was achieved in 76.5% of patients.
  • Good functional outcomes (mRS score < 2) were observed in 41.2% of patients.
  • The mortality rate was 41.2%.

Conclusions:

  • Endovascular intervention using mechanical thrombectomy is a safe and feasible option for patients diagnosed with posterior circulation tandem occlusions.
  • Further research is warranted to optimize treatment strategies and improve outcomes for this challenging condition.