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1.
J Cardiol Cases ; 18(3): 103-105, 2018 Sep.
Article in English | MEDLINE | ID: mdl-30279923

ABSTRACT

Spontaneous coronary artery dissection (SCAD) is defined as a spontaneous separation of the coronary artery wall that is not iatrogenic or related to trauma and usually affects young women. We describe a 65-year-old woman who presented with SCAD extending from the left main trunk involving the left anterior descending artery and the left circumflex artery, and coronary artery bypass graft surgery was performed to treat the dissection. Coronary angiography performed 3 months later, showed complete angiographic healing. A conservative management strategy is known to be associated with spontaneous angiographic healing in patients with SCAD who are hemodynamically stable. Healthcare providers should consider SCAD among the differential diagnoses in patients presenting with acute coronary syndrome, particularly in women. Further studies are needed to establish an optimal management strategy for SCAD. .

2.
J Cardiol ; 47(4): 197-205, 2006 Apr.
Article in Japanese | MEDLINE | ID: mdl-16637254

ABSTRACT

A 70-year-old woman was admitted to our hospital because of left ventricular dysfunction, which was observed after permanent pacemaker implantation in another hospital. The left ventricular dysfunction was apical ballooning. Left ventriculography demonstrated takotsubo-like shape. However, the dysfunction did not improve immediately with medical treatment. In this case, 75% stenosis was observed in the left anterior descending artery. We suppose that this lesion corresponded to the delayed recovery of the dysfunction and performed coronary intervention. The takotsubo-like shape improved gradually for about 1 year. Whether the coronary intervention was effective for the recovery of the dysfunction is unclear, this clinical course was interesting in evaluating the delayed recovery of takotsubo-like left ventricular dysfunction.


Subject(s)
Heart Ventricles/pathology , Ventricular Dysfunction, Left/diagnostic imaging , Ventricular Dysfunction, Left/physiopathology , Aged , Cardiomyopathies/diagnostic imaging , Coronary Circulation , Electrocardiography , Female , Heart/diagnostic imaging , Heart Block/complications , Heart Block/therapy , Humans , Myocardial Contraction , Organophosphorus Compounds , Organotechnetium Compounds , Pacemaker, Artificial , Radionuclide Imaging , Radiopharmaceuticals , Recovery of Function , Ultrasonography , Ventricular Dysfunction, Left/etiology
3.
Int Heart J ; 46(4): 737-44, 2005 Jul.
Article in English | MEDLINE | ID: mdl-16157965

ABSTRACT

We describe a 66-year-old woman who had an alternating bundle branch block consisting of coexisting occurrence of right bundle branch block (RBBB) and left bundle branch block (LBBB) combined with Mobitz type II atrioventricular block (AVB). A prolonged PQ interval was associated with the RBBB pattern whereas it was not apparent in the LBBB pattern. Electrophysiologic study revealed that the LBBB pattern was combined with a double His bundle potential. On the other hand, the RBBB pattern was combined with a markedly prolonged HV interval with a low voltage monophasic His bundle potential, which we speculated was the former part of the split His bundle potential seen during the LBBB pattern. A combination of the longitudinal dissociation in the His bundle and the gap phenomenon at the intra-Hisian block portion may account for this observation.


Subject(s)
Bundle-Branch Block/physiopathology , Electrocardiography , Heart Block/physiopathology , Heart Conduction System/physiopathology , Aged , Bundle of His/physiopathology , Bundle-Branch Block/diagnosis , Cardiac Pacing, Artificial , Female , Humans
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