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The effect of inguinal lymphatic manipulation on regional lymph flow patterns
1Section of Vascular Surgery, Case Western Reserve University School of Medicine, Cleveland, OH 44106.
Journal of Vascular Surgery
|May 1, 1993
Summary
Ligating inguinal lymph vessels significantly reduces lymphatic flow. However, radical excision offers no greater reduction than local ligation, suggesting alternative lymph drainage pathways exist.
Area of Science:
- Vascular surgery
- Lymphatic system research
- Surgical outcomes
Background:
- Inguinal lymphatics are near femoral vessels, making manipulation during dissection unavoidable.
- Understanding the impact of lymph vessel manipulation on lymphatic flow is crucial for surgical planning.
Purpose of the Study:
- To evaluate the consequences of inguinal lymph vessel manipulation on lymphatic flow.
- To compare the effects of local ligation versus radical excision of inguinal lymphatics.
Main Methods:
- Greyhound dogs underwent popliteal lymph node dissection and infusion of Patent blue violet and technetium 99m-labeled human serum albumin (HSA).
- Inguinal lymph vessels were either unmanipulated (control), locally ligated, or radically excised and ligated.
- Lymphatic flow was assessed by measuring 99mTc-HSA clearance before and after manipulation.
Main Results:
- Both local ligation and radical excision of inguinal lymph vessels significantly reduced intralymphatic radioactivity compared to controls (p < 0.001).
- No significant difference in flow reduction was observed between local ligation and radical excision groups.
Conclusions:
- Ligation of major inguinal lymphatic channels significantly impairs lymphatic flow.
- Radical obliteration of lymphatics does not further reduce flow compared to local ligation, indicating the presence of alternative lymphatic pathways.