Abstract:
BACKGROUND:Lymph is pumped through the collecting lymphatic vessels by both intrinsic and extrinsic forces, propelling it downstream back into circulation. The intrinsic lymph pump relies on the spontaneous contraction of lymphatic muscles to generate the force of pumping lymph (P(lp)). However, the association between leg edema and reduced leg P(lp) in the general population is unknown. Therefore, this study determined the association of leg P(lp) and edema complaints and quality of life in healthy participants. METHODS AND RESULTS:A total of 465 healthy volunteers (78 men and 387 women, age 30-85 years) filled out a questionnaire and medical history to rule out severe systemic diseases and local venous/lymphatic diseases. Quality of life was assessed using the Medical Outcome Study Short Form 36 (SF36). Leg P(lp) was measured using minimally invasive indocyanine green fluorescence lymphography and an occlusion cuff technique while sitting. All participants were divided into three groups according to the P(lp) values, as follows: Participants with P(lp) >40 mmHg in both legs, 20 mmHg-40 mmHg in either leg; and <20 mmHg in both legs were divided into the good (n=100), moderate (n=314), and poor (n=51) P(lp) groups, respectively. The survey revealed the poor leg P(lp) group was associated with more frequently complaints of leg edema, as well as lower quality of life than the moderate and good P(lp) groups. CONCLUSION:Reduced leg P(lp) is significantly associated with leg edema complaints and lower quality of life in the general population.
journal_name
Lymphat Res Bioljournal_title
Lymphatic research and biologyauthors
Saito T,Unno N,Yamamoto N,Inuzuka K,Tanaka H,Sano M,Sugisawa R,Katahashi K,Konno Hdoi
10.1089/lrb.2014.0015subject
Has Abstractpub_date
2015-06-01 00:00:00pages
154-9issue
2eissn
1539-6851issn
1557-8585journal_volume
13pub_type
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