Surgical Management of Peripheral Vascular Manifestations of Loeys-Dietz Syndrome

Robert J. Beaulieu, Jennifer Lue, Bryan A. Ehlert, Joshua C. Grimm, Caitlin Hicks, James Hamilton Black

Research output: Contribution to journalArticle

Abstract

Background: Loeys-Dietz syndrome (LDS) is characterized by a triad of aortic aneurysm, vessel tortuosity, and hypertelorism. LDS patients often harbor additional aneurysms and dissections throughout their vasculature. The optimal management of these additional lesions is poorly understood. Accordingly, we sought to analyze our experience with the peripheral arterial manifestations of LDS. Methods: Adult and pediatric LDS patients who sought treatment at a single institution from 2005 to 2015 were retrospectively reviewed. Patients were included if radiographic or clinically documented evidence existed of peripheral artery aneurysm or dissection. Standard univariate analyses were performed. Results: Eighteen LDS patients (aged 1.3-59.3 years, mean age 27.8 years at diagnosis) with aortic (not including root, ascending, or arch) vascular abnormalities were identified. Average follow-up was 5.2 ± 3.8 years. Fourteen (77.8%) patients had peripheral aneurysms, occurring most frequently in the carotid (35.7%), subclavian (35.7%), and visceral (28.6%) segments. Most patients had multiple peripheral segments involved (average 2, range 1-6). Nine (64%) patients with peripheral involvement underwent repair, for a total of 17 operations (average 1.89 operations per patient, range 1-4). Endovascular techniques were used in 4 operations (23.5%), without technical failures. Among patients requiring surgical repair, a history of abdominal aortic repairs was present in 77.8%, yielding a total of 36 vascular repairs (average 4, range 2-7). Perioperative morbidity was 11.8%, with no reported mortalities. Prior aortic dissection was not associated with peripheral surgical repairs (P = 0.58). Conclusions: LDS is an aggressive vasculopathy which commonly affects the peripheral vasculature. Our data suggest that open and endovascular procedures may be safe and effective in the LDS periphery and multiple operations are common. As prior aortic dissection did not predict peripheral arterial involvement in LDS, vigilant peripheral arterial surveillance of LDS is warranted regardless of aortic disease state and may be key to early identification and our treatment success.

Original languageEnglish (US)
JournalAnnals of Vascular Surgery
DOIs
StateAccepted/In press - Mar 14 2016

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Loeys-Dietz Syndrome
Blood Vessels
Dissection
Aneurysm
Endovascular Procedures
Hypertelorism
Aortic Diseases
Aortic Aneurysm

ASJC Scopus subject areas

  • Surgery
  • Cardiology and Cardiovascular Medicine

Cite this

Surgical Management of Peripheral Vascular Manifestations of Loeys-Dietz Syndrome. / Beaulieu, Robert J.; Lue, Jennifer; Ehlert, Bryan A.; Grimm, Joshua C.; Hicks, Caitlin; Black, James Hamilton.

In: Annals of Vascular Surgery, 14.03.2016.

Research output: Contribution to journalArticle

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title = "Surgical Management of Peripheral Vascular Manifestations of Loeys-Dietz Syndrome",
abstract = "Background: Loeys-Dietz syndrome (LDS) is characterized by a triad of aortic aneurysm, vessel tortuosity, and hypertelorism. LDS patients often harbor additional aneurysms and dissections throughout their vasculature. The optimal management of these additional lesions is poorly understood. Accordingly, we sought to analyze our experience with the peripheral arterial manifestations of LDS. Methods: Adult and pediatric LDS patients who sought treatment at a single institution from 2005 to 2015 were retrospectively reviewed. Patients were included if radiographic or clinically documented evidence existed of peripheral artery aneurysm or dissection. Standard univariate analyses were performed. Results: Eighteen LDS patients (aged 1.3-59.3 years, mean age 27.8 years at diagnosis) with aortic (not including root, ascending, or arch) vascular abnormalities were identified. Average follow-up was 5.2 ± 3.8 years. Fourteen (77.8{\%}) patients had peripheral aneurysms, occurring most frequently in the carotid (35.7{\%}), subclavian (35.7{\%}), and visceral (28.6{\%}) segments. Most patients had multiple peripheral segments involved (average 2, range 1-6). Nine (64{\%}) patients with peripheral involvement underwent repair, for a total of 17 operations (average 1.89 operations per patient, range 1-4). Endovascular techniques were used in 4 operations (23.5{\%}), without technical failures. Among patients requiring surgical repair, a history of abdominal aortic repairs was present in 77.8{\%}, yielding a total of 36 vascular repairs (average 4, range 2-7). Perioperative morbidity was 11.8{\%}, with no reported mortalities. Prior aortic dissection was not associated with peripheral surgical repairs (P = 0.58). Conclusions: LDS is an aggressive vasculopathy which commonly affects the peripheral vasculature. Our data suggest that open and endovascular procedures may be safe and effective in the LDS periphery and multiple operations are common. As prior aortic dissection did not predict peripheral arterial involvement in LDS, vigilant peripheral arterial surveillance of LDS is warranted regardless of aortic disease state and may be key to early identification and our treatment success.",
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