Authors
Gavin Wu, Matthew Abad-Santos, David S Shin, Eric J Monroe, Jeffrey Forris Beecham Chick, Mina S Makary
Published in
Abdominal radiology (New York). Aug 23, 2025. Epub Aug 23, 2025.
Abstract
To describe the use of a large-bore mechanical aspiration system (FlowTriever Aspiration Catheter) as an off-label intervention for the evacuation of complex intra-abdominal abscesses that were refractory to standard percutaneous drainage techniques.
Two patients with large, complex intra-abdominal abscesses underwent aspiration using the FlowTriever Aspiration Catheter following failure of conventional catheter drainage. One patient had a walled-off necrotic collection from necrotizing pancreatitis; the other developed a postoperative abscess following appendectomy for perforated appendicitis. In each case, tract dilation was performed to accommodate the large-bore aspiration catheter, and follow-up CT imaging was used to assess treatment response.
In both cases, the FlowTriever Aspiration Catheter enabled high-flow aspiration of solid and purulent material, with successful placement of large-bore drainage catheters. Follow-up imaging demonstrated marked reduction or near-complete collapse of the abscess cavities. No procedure-related complications were observed.
Large-bore mechanical aspiration with the FlowTriever Aspiration Catheter may offer an effective adjunct or alternative to catheter upsizing and fibrinolytic therapy in patients with complex intra-abdominal abscesses, particularly when standard drainage techniques are unsuccessful. This approach may reduce the need for repeat interventions or surgical debridement in appropriately selected patients.
PMID:
40848124
Bibliographic data and abstract were imported from PubMed on 23 Aug 2025.
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