Einschränkung der myokardialen perfusions-reserve bei mikrovaskular-angina (syndrom X): Nachweis durch 99mTc-MIBI-SPECT

K. Langes, B. Beuthien-Baumann, M. Lübeck, C. Fuchs, M. A. Schneider, C. Volk, C. A. Nienaber

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

6 Zitate (Scopus)

Abstract

Aim: In 22 patients with typical chest pain and normal coronary arteries (microvascular angina, syndrome X) 99mTc-MIBI-SPECT was examined in regard to assess impairment of myocardial perfusion reserve Method: The study was performed with 99mTc-MIBI-SPECT at rest and under vasodilation with dipyndamole. The findings were compared with a normal database A normal perfusion reserve was said to be an increase >20% of the 99mTc-MIBI-activity. Results: In 2/22 (9%) of the patients the perfusion reserve lay >20% i.e. 37%. In 91% of the patients a diminution or even decrease of the perfusion was to be seen From these 9/22 (41 %) of the patients showed a diminution of the 99mTc-MIBI-uptake by 6% 11/22 patients had a decrease of the perfusion under vasodilation with dipyridamole i.e a lower activity of 99mTc-MIBI by 13%. Conclusion: Vasodilation 99mTc-MIBI-SPECT offers good imaging quality and enables semiquantitative assessment of myocardial perfusion reserve in patients with microvascular angina.

Titel in ÜbersetzungImpaired myocardial perfusion reserve in microvascular angina (syndrome X): Assessment by vasodilation 99mTc-MIBI-SPECT
OriginalspracheDeutsch
Seiten (von - bis)193-197
Seitenumfang5
FachzeitschriftNuklearMedizin
Jahrgang35
Ausgabenummer6
DOIs
PublikationsstatusVeröffentlicht - Dez. 1996
Extern publiziertJa

Schlagwörter

  • Microvascular angina
  • Myocardial perfusion reserve
  • Syndrome X
  • Technetium-MIBI-SPECT

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