1999
Subxyphoid access of the normal pericardium: A novel drug delivery technique
Laham R, Simons M, Hung D. Subxyphoid access of the normal pericardium: A novel drug delivery technique. Catheterization And Cardiovascular Interventions 1999, 47: 109-111. PMID: 10385173, DOI: 10.1002/(sici)1522-726x(199905)47:1<109::aid-ccd24>3.0.co;2-3.Peer-Reviewed Original ResearchConceptsPericardial spaceHemodynamic compromiseNormal pericardiumSubxyphoid accessSmall pericardial effusionContinuous positive pressureNovel drug delivery techniqueIntrapericardial drug deliveryAnimals 4 weeksLarge animal modelDelivery techniquesNovel delivery techniquesAdverse eventsPericardial effusionMyocardial damageDrug delivery techniquesRight ventricleFluoroscopic guidanceInfusion catheterHistologic examinationPericardial accessIntroducer needlePositive pressureHigh riskAnimal models
1993
Relation between Activated Smooth-Muscle Cells in Coronary-Artery Lesions and Restenosis after Atherectomy
Simons M, Leclerc G, Safian R, Isner J, Weir L, Baim D. Relation between Activated Smooth-Muscle Cells in Coronary-Artery Lesions and Restenosis after Atherectomy. New England Journal Of Medicine 1993, 328: 608-613. PMID: 8429852, DOI: 10.1056/nejm199303043280903.Peer-Reviewed Original ResearchConceptsSmooth muscle cellsMyosin heavy chainNonmuscle myosin heavy chainRecurrent luminal narrowingCoronary artery lesionsExercise thallium scintigraphyVascular smooth muscle cellsCoronary atherosclerotic plaquesPresence of restenosisHigh-power fieldGroup of lesionsNegative resultsAngiographic followCoronary atherectomyCoronary angioplastyThallium scintigraphyCoronary lesionsLuminal narrowingNeointimal proliferationSubsequent restenosisLate lossLuminal diameterHeavy chainHigh riskAtherectomy