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Article: Air plethysmography in chronic venous insufficiency: Clinical diagnosis and quantitative assessment

TitleAir plethysmography in chronic venous insufficiency: Clinical diagnosis and quantitative assessment
Authors
Issue Date1999
PublisherSage Publications, Inc. The Journal's web site is located at http://ang.sagepub.com
Citation
Angiology, 1999, v. 50 n. 10, p. 831-836 How to Cite?
AbstractTo define the role of air plethysmography (APG) in the clinical diagnosis and quantitative assessment of chronic venous insufficiency (CVI), APG studies were performed on 582 limbs in 291 patients with signs and symptoms of CVI. One hundred and thirty-one limbs were classified into group I (no evidence of CVI), 291 into group II (mild CVI), and 160 into group III (advanced CVI). On APG, the mean venous filling index (VFI) was 1.45 mL/s, 3.90 mL/s, and 5.25 mL/s in groups I, II, and III respectively (p < 0.05). The mean ejection fraction (EF) and mean residual volume fraction (RVF) also showed significant differences between the limbs with CVI and the contralateral normal limbs, but the values were similar for the different severities of CVI limbs. The amount of overlap in VFI, EF, and RVF values among the clinical groups was considerable. Discrimination analysis derived a VFI value of 2.67 mL/s as a cutoff point between normal limbs and limbs with CVI, with a positive predictive value of 96%. In conclusion, APG is a simple and noninvasive test for quantitative assessment of the different components of CVI, valvular reflux, and calf muscle pump function. However, only VFI correlated significantly with the severity of CVI. VFI, with its high positive predictive value, may be useful in diagnosis of CVI, and it may serve as an objective quantitative measurement for monitoring the effect of treatment.
Persistent Identifierhttp://hdl.handle.net/10722/84367
ISSN
2015 Impact Factor: 2.931
2015 SCImago Journal Rankings: 0.598
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTing, ACWen_HK
dc.contributor.authorCheng, SWKen_HK
dc.contributor.authorWu, LLHen_HK
dc.contributor.authorCheung, GCYen_HK
dc.date.accessioned2010-09-06T08:52:06Z-
dc.date.available2010-09-06T08:52:06Z-
dc.date.issued1999en_HK
dc.identifier.citationAngiology, 1999, v. 50 n. 10, p. 831-836en_HK
dc.identifier.issn0003-3197en_HK
dc.identifier.urihttp://hdl.handle.net/10722/84367-
dc.description.abstractTo define the role of air plethysmography (APG) in the clinical diagnosis and quantitative assessment of chronic venous insufficiency (CVI), APG studies were performed on 582 limbs in 291 patients with signs and symptoms of CVI. One hundred and thirty-one limbs were classified into group I (no evidence of CVI), 291 into group II (mild CVI), and 160 into group III (advanced CVI). On APG, the mean venous filling index (VFI) was 1.45 mL/s, 3.90 mL/s, and 5.25 mL/s in groups I, II, and III respectively (p < 0.05). The mean ejection fraction (EF) and mean residual volume fraction (RVF) also showed significant differences between the limbs with CVI and the contralateral normal limbs, but the values were similar for the different severities of CVI limbs. The amount of overlap in VFI, EF, and RVF values among the clinical groups was considerable. Discrimination analysis derived a VFI value of 2.67 mL/s as a cutoff point between normal limbs and limbs with CVI, with a positive predictive value of 96%. In conclusion, APG is a simple and noninvasive test for quantitative assessment of the different components of CVI, valvular reflux, and calf muscle pump function. However, only VFI correlated significantly with the severity of CVI. VFI, with its high positive predictive value, may be useful in diagnosis of CVI, and it may serve as an objective quantitative measurement for monitoring the effect of treatment.en_HK
dc.languageengen_HK
dc.publisherSage Publications, Inc. The Journal's web site is located at http://ang.sagepub.comen_HK
dc.relation.ispartofAngiologyen_HK
dc.rightsAngiology. Copyright © Sage Publications, Inc.en_HK
dc.titleAir plethysmography in chronic venous insufficiency: Clinical diagnosis and quantitative assessmenten_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-3197&volume=50&spage=831&epage=836&date=1999&atitle=Air+Plethysmography+in+chronic+venous+insufficiency:+clinical+diagnosis+and+quantitative+assessmenten_HK
dc.identifier.emailCheng, SWK: wkcheng@hkucc.hku.hken_HK
dc.identifier.authorityCheng, SWK=rp00374en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid10535722-
dc.identifier.scopuseid_2-s2.0-0032835999en_HK
dc.identifier.hkuros47715en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032835999&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume50en_HK
dc.identifier.issue10en_HK
dc.identifier.spage831en_HK
dc.identifier.epage836en_HK
dc.identifier.isiWOS:000083177700007-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTing, ACW=7102858552en_HK
dc.identifier.scopusauthoridCheng, SWK=7404684779en_HK
dc.identifier.scopusauthoridWu, LLH=7404903103en_HK
dc.identifier.scopusauthoridCheung, GCY=15052803300en_HK

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