Ontology type: schema:ScholarlyArticle
2002-03
AUTHORSA. Scherer, C. Strupp, H.-J. Wittsack, V. Engelbrecht, R. Willers, U. Germing, N. Gattermann, R. Haas, U. Mödder
ABSTRACTPurpose. The aim of the study was to measure microcirculation parameters by dynamic contrast-enhanced MRI (d-MRI) and to evaluate the anti-angiogentic effects during treatment with thalidomide in different hematologic malignancies.Methods. In 20 healthy normal persons, 20 patients with myelodysplastic syndromes (MDS), 10 patients with multiple myeloma (MM) and 10 with myelofibrosis (MF) a fast gradient echo sequence (Turbo fast low angle shot 2D) with a pump controlled bolus infusion of gadolinium-DTPA was performed before and in 18 of these after beginning (average of 4,3 months) of a thalidomide therapy. Two pharmacokinetic parameters – the amplitude and exchange-rate-constant – were calculated and a statistical comparison of these values between healthy persons and patients as well as a correlation with the clinical course was executed.Results. Compared with the normal controls the patients showed a higher amplitude (normal persons 14.4±5.2, MDS 24.8±8.1, MF 35.9±4.3, MM 23.4±3.6) and exchange-rate-constant (normal persons 0.124±0.042, MDS 0.136±0.036, MF 0.144±0.068, MM 0.131±0.034). In the d-MRI-follow-up examinations a significant (p<0.005) reduction of the amplitude and exchange rate constant values was evident in 14 of 18 patients undergoing a thalidomide therapy. Clinically all of these patients showed a therapy responding with complete or partial diseases remission.Conclusions. In patients with hematologic malignancies significantly higher d-MRI-microcirculation parameters of the lumbar spine can be demonstrated than in normal persons. During anti-angiogenetic treatment with thalidomide a decrease of these values was observed in case of a responding to therapy. More... »
PAGES222-230
http://scigraph.springernature.com/pub.10.1007/s00117-002-0721-6
DOIhttp://dx.doi.org/10.1007/s00117-002-0721-6
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/11963240
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