Document Detail

[Achilles tendon power Doppler sonography in 953 long distance runners - a cross sectional study].
MedLine Citation:
PMID:  20235002     Owner:  NLM     Status:  MEDLINE    
AIM: The aim of this cross-sectional study was to assess the frequency of tendinopathy-typical Doppler sonographic changes in the Achilles tendons of long distance runners and to correlate these findings with anamnestic and anthropometric data of the subjects.
MATERIALS AND METHODS: 1906 Achilles tendons of 953 long distance runners were examined by ultrasound and power Doppler (Toshiba Aplio SSA-770A/ 80 12 MHz). Ultrasound images (spindle-shaped thickening, hypoechoic/hyperechoic lesions, neovascularizations) were analyzed in relation to the runners' anthropometrical data and history of Achilles tendon complaints.
RESULTS: In asymptomatic runners as well as in the overall group, there was a statistically significant correlation between tendon thickness and age, height and weight (CC 0.24 - 0.38, p < 0.001). Runners with current or healed Achilles tendon complaints displayed a statistically significant thickening of the tendons, as well as an increase in hypoechoic lesions and neovascularizations (p < 0.001). While grayscale abnormalities were rarely found in asymptomatic runners (< 10 %), neovascularization was detected in 35 % of healthy test persons using the high-resolution power Doppler "Advanced Dynamic Flow".
CONCLUSION: Contrary to frequent assumption, neovascularization is often found in tendons of asymptomatic runners, using modern power Doppler equipment. The pathological relevance of single microvessels in asymptomatic tendons must, therefore, be critically discussed.
A Hirschmüller; V Frey; P Deibert; L Konstantinidis; F Mayer; N Südkamp; P Helwig
Publication Detail:
Type:  English Abstract; Journal Article     Date:  2010-03-16
Journal Detail:
Title:  Ultraschall in der Medizin (Stuttgart, Germany : 1980)     Volume:  31     ISSN:  1438-8782     ISO Abbreviation:  Ultraschall Med     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-12     Completed Date:  2010-12-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8303585     Medline TA:  Ultraschall Med     Country:  Germany    
Other Details:
Languages:  ger     Pagination:  387-93     Citation Subset:  IM    
Copyright Information:
Georg Thieme Verlag KG Stuttgart New York.
Universitätsklinikum Freiburg, Abteilung für Orthopädie und Traumatolgie, Freiburg.
Vernacular Title:
Powerdopplersonografische Befunde der Achillessehnen von 953 Langstreckenläufern - eine Querschnittsstudie.
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MeSH Terms
Achilles Tendon / blood supply,  ultrasonography*
Cross-Sectional Studies
Image Enhancement*
Image Processing, Computer-Assisted*
Middle Aged
Neovascularization, Pathologic / ultrasonography*
Reference Values
Tendinopathy / ultrasonography*
Ultrasonography, Doppler / methods*
Young Adult

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