1995
DOI: 10.1016/0735-1097(94)00366-x
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Multivariate predictors of intravascular ultrasound end points after directional coronary atherectomy

Abstract: The preintervention lesion arc of calcium measured by intravascular ultrasound is the most consistent predictor of the effectiveness and results of directional coronary atherectomy.

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Cited by 39 publications
(13 citation statements)
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“…For example, if calcium is deep at the adventitial level, rotational atherectomy is not necessary as an initial strategy. Conversely, for calcium on superficial border, rotational atherectomy is the preferred therapy [39][40][41]. Calcium located superficially is difficult for debulking by directional coronary atherectomy devices, whereas deep wall calcium has an advantage in terms of preventing deep wall cutting throughout the coronary arterial wall with significant intimal tissue removal.…”
Section: Lesion Classificationmentioning
confidence: 99%
“…For example, if calcium is deep at the adventitial level, rotational atherectomy is not necessary as an initial strategy. Conversely, for calcium on superficial border, rotational atherectomy is the preferred therapy [39][40][41]. Calcium located superficially is difficult for debulking by directional coronary atherectomy devices, whereas deep wall calcium has an advantage in terms of preventing deep wall cutting throughout the coronary arterial wall with significant intimal tissue removal.…”
Section: Lesion Classificationmentioning
confidence: 99%
“…A presença de cálcio, especialmente o focal, é uma determinante importante de dissecções após angioplastia 4 . O cálcio angiograficamente invisível, porém evidente por meio do UIC, é forte preditor de sucesso após aterectomia direcional 5 . Aterectomia rotacional pode ser a escolha preferencial para lesões intensamente calcificadas.…”
Section: Utilização Do Ultra-som Intracoronário Antes Da Intervenção unclassified
“…Directional atherectomy with the conventional 7 Fr Atherocath GTO system (Guidant, Temecula, CA), however, is a complex procedure. The insertion of these large inflexible catheters requires extra-stiff 9 to 10 Fr guiding catheters, rigid guidewires, and achieves insufficient tissue removal in calcified lesions and vessels with large reference diameters [10,11].…”
Section: Introductionmentioning
confidence: 99%