Comparative Outcomes of Thoracic Endovascular Aortic Repair (TEVAR) and Surgical Management for Type A and Type B Intramural Hematomas: A Single-Center Retrospective Cohort Study

Dang Nguyen, Yusuf Qureshi, Chibuikem Iheagwaram, Amira Mohamed Taha, Michael Diaz, Ryan Ahmed, Pari Patel, Shahriar Siam Huda, Authoy Das, Triet Nguyen M., Phat K. Huynh, Miyaz Ansari, Ryan Shargo, Ngoc Phuong Hong Tao, Loc Vu, Heath Rutledge-Jukes, Gia Han Lam, Le Nhat Thao, Phan Thuan, Ngoc-Minh VuongTran Van-Phu, Chuong Pham, Nityanand Jain, Dinh Nguyen

Research output: Contribution to journalMeeting Abstractpeer-review

Abstract

Background
Type A acute aortic intramural hematomas (IMHs), especially with thrombi in the ascending aorta, pose an increased risk of complications relative to Type B. The therapeutic direction for Type A IMH remains contentious. This study contrasts the outcomes of TEVAR and open surgical approaches in managing IMHs.

Methods
We conducted a single-center, retrospective analysis involving patients diagnosed with either Type A, retrograde A, or Type B IMH who underwent either surgical or endovascular treatments from January 2017 to December 2020. Parameters such as three-year survival, overall mortality, vascular and hemorrhagic events, renal damage, cardiac anomalies, neurological events, and need for re-intervention or readmission were scrutinized.

Results
Our cohort included 31 patients with IMH who received post-intervention follow-up. The subgroups were categorized into: 11 after Type A surgical treatment (average age: 63 ± 9 years; 55% male), 7 after Type A endovascular treatment (average age: 67 ± 6 years; 57% male), and 13 after Type B endovascular treatment (average age: 64 ± 8 years; 77% male). Notably, the median hospital stay durations for IMH-A, retrograde IMH-A, and IMH-B were 13, 5, and 4 days, respectively. Postoperative complications were markedly prevalent in IMH-A (n=8, 73%) relative to the retrograde IMH-A and IMH-B categories. One and three-year survival rates post-repair were discerned to be 82%/68%, 100%/100%, and 100%/75% for Type A surgical, Type A endovascular, and Type B endovascular approaches, respectively.

Conclusions
Aortic IMHs are notably linked to aortic dissections, leading to life-threatening outcomes. Despite the traditional preference for surgical remedies in most IMH instances, our data suggests that TEVAR offers a promising, minimally invasive alternative, especially for Type A retrograde and Type B IMHs.
Original languageEnglish
Pages (from-to)934-934
JournalJournal of the American College of Cardiology (JACC)
Volume83
Issue number13, Suppl.A
DOIs
Publication statusPublished - 6 Apr 2024
Externally publishedYes
EventAmerican College of Cardiology’s 73rd Scientific Session and Expo - Atlanta, United States
Duration: 6 Apr 20248 Apr 2024
Conference number: 73
https://www.expo.acc.org/ACC24/Public/enter.aspx

Keywords*

  • TEVAR
  • intramural hematoma
  • mortality
  • Survival analysis
  • endovascular interventions

Field of Science*

  • 3.2 Clinical medicine
  • 3.1 Basic medicine
  • 1.6 Biological sciences
  • 2.8 Environmental biotechnology
  • 3.3 Health sciences
  • 2.10 Nano-technology

Publication Type*

  • 3.4. Other publications in conference proceedings (including local)

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