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Conservative management is the first-line treatment for spontaneous coronary artery dissection (SCAD) with stable haemodynamic status and thrombolysis in myocardial infarction three flow on angiography. However, in a few very specific patients, recurrent ischemia, or haemodynamic instability necessitates revascularization. Here, we describe a case of successful optical coherence tomography (OCT)-guided percutaneous coronary intervention (PCI) with a cutting balloon. We performed fenestration at multiple decompression sites prior to stenting in an intramural haematoma with luminal compression. Rescue management of SCAD with luminal compression is a critical issue, because SCAD is an emergent clinical condition affecting young patients with a severe prognosis. To our knowledge, there are no large published series evaluating procedural success rates and long-term follow-up of this technique.

This paper reports on three cases of patients with an apparently normal heart admitted for sustained monomorphic ventricular tachycardia. The only abnormal finding showed in the electrocardiogram (ECG) in sinus rhythm that exhibited an entity associated with incomplete right bundle-branch block and persistent ST-segment elevation. The ECG entity was variable and disappeared transiently. Spontaneous ventricular tachycardia in one patient was inducible by programmed stimulation. There was no underlying heart disease. The origin of the ventricular tachycardia in one patient was located by pace mapping in the left ventricle at the left ventricular basal septum. The follow-up (from 6 months up to 6 years) demonstrated a good prognosis. This particular ECG entity associated with monomorphic ventricular tachycardia could have been missed because of the variations in the ECG in sinus rhythm and was associated with a favorable prognosis.

We report a case of onychomycosis with melanonychia due to Candida parapsilosis alone. Candida parapsilosis is now identified in the great majority of candidal onychomycosis, mainly in association with other yeasts. The criteria allowing the distinction between invasion and colonization, the risk factors and the treatment of C. parapsilosis onychomycosis are discussed.

The electrical transport properties in long range fluctuation systems, particulary in homogeneous two-phase systems in which one phase is much more conductive, are numerically simulated in the ac regime. Both two- and three-dimensional networks consisting in a regular arrangement of resistors and capacitors are considered. The theoretical results are of interest both in the case of a Maxwell-Wagner type inhomogeneous model such as pyrolyzed organic semiconductors, and in the case of microscopically inhomogeneous materials where two phases of very different conductivities are mixed. Interesting results are obtained from the comparison of the theoretical capacity and resistance frequency dependence of the simulated material with the corresponding experimental plots obtained from heat-treated polyacrylonitrile samples. Les proprietes de transport electrique dans les systemes a fluctuations a longue distance, particulierement dans les systemes homogenes a deux phases dans lesquels une phase est beaucoup plus conductrice, sont simulees numeriquement en regime alternatif. On considere les reseaux a deux et trois dimensions constitues par des elements resistifs et capacitifs. Les resultats theoriques sont interessants a la fois dans le cas d'un modele inhomogene du type Maxwell-Wagner, tels que les semiconducteurs organiques pyrolyses, et dans le cas des materiaux presentant des inhomogeneites microscopiques ou deux phases de conductivite tres differentes sont melangees. Des resultats interessants sont egalement obtenus a partir de la comparaison entre les variations en fonction de la frequence, de la capacite et de la resistance calculees, et les variations correspondantes obtenues experimentalement sur des echantillons de polyacrylonitrile traites thermiquement.