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Updated: Jul 27, 2026
07:37
Mouse Models for Graft Arteriosclerosis
Published on: May 14, 2013
Perigraft seromas complicating arterial grafts
Surgery
|February 1, 1985
Summary
Perigraft seroma, a fluid collection around vascular grafts, often involves Dacron or PTFE materials. Graft replacement offers a high cure rate, though conservative management may suit some patients.
Area of Science:
- Vascular Surgery
- Pathology
- Biomaterials Science
Background:
- Perigraft seroma is a distinct clinicopathologic entity characterized by sterile fluid collection within a fibrous pseudomembrane around vascular grafts.
- This study investigates the clinicopathologic features and treatment outcomes of perigraft seroma.
Observation:
- A survey of 279 cases revealed knitted Dacron (54%) and polytetrafluoroethylene (34%) as common graft materials.
- Knitted Dacron in the axillofemoral position was implicated in 31% of cases.
- Fluid analysis confirmed the presence of serum, and histopathology showed poor graft incorporation and a degenerated fibrin-protein matrix without inflammation.
Findings:
- The pseudomembrane consists of nonsecretory fibroblasts.
- Graft replacement achieved a 92% cure rate.
- Conservative management, including watchful waiting or aspiration, may be considered for elderly, high-risk patients.
Implications:
- Graft replacement, involving removal of the original graft and pseudomembrane with placement of a new graft from a different material and along a new route, is recommended.
- Understanding the pathophysiology of perigraft seroma guides treatment strategies, balancing efficacy with patient risk factors.
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