AI Article Synopsis
- The study aimed to investigate changes in lymphatic function in patients with lower-extremity edema after saphenous vein harvesting for coronary bypass.
- A total of 44 patients, averaging 62.7 years old, were assessed using water displacement volumetry and lymphoscintigraphy, with evaluations conducted 3 to 188 months post-surgery.
- Results showed a significant increase in dermal backflow on the side where surgery was performed, indicating a link between this phenomenon and delayed edema.
Article Abstract
Objective: The aim of this study was to identify lymphoscintigraphic changes associated with lower-extremity oedema after the harvesting of the saphenous vein using a series of short Q2 incisions for coronary bypass.
Method: Forty-four patients (32 males and 12 females) with a mean age of 62.7 ± 7.8 (47-75 years old) were evaluated in a retrospective, quantitative, cross-sectional study from June 2007 to January 2008, three to 188 months (mean: 46 months) after the surgical procedure. Assessment was by water displacement volumetry and lymphoscintigraphy of the lower limbs. Results expressed as means with standard deviations were compared employing the Student's t-test and the chi-square or Fisher's exact tests were used to compare data expressed as frequencies. An alpha error of 5% was considered acceptable (P ≤ 0.05).
Results: The presence of dermal backflow, as identified by lymphoscintigraphy with an accumulation of radiotracer in the thoracic duct and popliteal lymph nodes was significantly greater on the operated side.
Conclusion: There was a significant association between dermal backflow and delayed oedema.
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| http://dx.doi.org/10.1258/phleb.2010.010071 | DOI Listing |
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