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Evaluation of closed incision management with negative pressure wound therapy (CIM): Hematoma/seroma and involvement of the lymphatic system.
MedLine Citation:
PMID:  22092797     Owner:  NLM     Status:  In-Data-Review    
The objective of this porcine study was to evaluate the effect of closed incision management with negative pressure wound therapy (CIM) on hematoma/seroma formation, fluid removal into the CIM canister, and involvement of the lymphatic system. In each swine (n = 8), two sets of ventral contralateral subcutaneous dead spaces with overlying sutured incisions were created. Stable isotope-labeled nanospheres were introduced into each subcutaneous dead space. Each contralateral incision was assigned to CIM (continuous -125 mmHg negative pressure) and control (semipermeable film dressing), respectively. Following 4 days of therapy, hematoma/seroma was weighed, total fluid volume in canisters was measured, five pre-identified lymph nodes were harvested, and five key organs were biopsied. There was 25 ± 8 g (standard error [SE]) (63%) less hematoma/seroma in CIM sites compared to control sites (p = 0.002), without any fluid collection in the CIM canister. In lymph nodes, there were ∼60 μg (∼50%) more 30- and 50-nm nanospheres from CIM sites than from control sites (p = 0.04 and 0.05, respectively). There was significantly greater nanosphere incidence from CIM sites than from control sites in lungs, liver, and spleen (p < 0.05); no nanospheres were detected in kidney biopsies. Thus, in this porcine model, application of CIM significantly decreased hematoma/seroma levels without fluid collection in the canister, which may be explained by increased lymph clearance.
Deepak V Kilpadi; Mark R Cunningham
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society     Volume:  19     ISSN:  1524-475X     ISO Abbreviation:  Wound Repair Regen     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-11-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9310939     Medline TA:  Wound Repair Regen     Country:  United States    
Other Details:
Languages:  eng     Pagination:  588-96     Citation Subset:  IM    
Copyright Information:
© 2011 by the Wound Healing Society.
Kinetic Concepts, Inc (KCI), San Antonio, Texas.
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