Professor Konstantinos Dimopoulos

Angelini A, Dimopoulos K, Frescura C, Gamba P, Lo Piccolo R, Stellin G, Thiene Get al., 2002, Fatal aortoesophageal fistula in two cases of tight vascular ring, CARDIOLOGY IN THE YOUNG, Vol: 12, Pages: 172-176, ISSN: 1047-9511

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• Citations: 8

Rigatelli G, Carraro U, Barbiero M, Zanchetta M, Dimopoulos K, Cobelli F, Riccardi R, Rigatelli Get al., 2002, Activity-rest stimulation protocol improves cardiac assistance in dynamic cardiomyoplasty, EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY, Vol: 21, Pages: 478-482, ISSN: 1010-7940

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• Citations: 13

Zanchetta M, Rigatelli G, Dimopoulos K, Pedon L, Zennaro M, Maiolino Pet al., 2002, Endoluminal repair of axillary artery and vein rupture after reduction of shoulder dislocation. A case report., Minerva Cardioangiol, Vol: 50, Pages: 69-73, ISSN: 0026-4725

A case of endoluminal repair of vein and artery axillary rupture after reduction of shoulder dislocation in an 83-year-old woman is reported. The lesions were repaired successfully with two cover stents (JOSTENT and Passager). Endovascular treatment of such vascular injuries seems to be feasible and safe, though further investigation is warranted.

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Rigatelli G, Carraro U, Barbiero M, Zanchetta M, Pedon L, Dimopoulos K, Rigatelli G, Maiolino P, Cobelli F, Riccardi R, Dalla Volta Set al., 2002, New advances in dynamic cardiomyoplasty: Doppler flow wire shows improved cardiac assistance in demand protocol, ASAIO JOURNAL, Vol: 48, Pages: 119-123, ISSN: 1058-2916

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• Citations: 7

Zanchetta M, Dimopoulos K, Rigatelli G, Pedon L, Zennaro M, Pieri D, Rubino A, Bartorelli AL, Maiolino P, Onorato Eet al., 2001, Patent ductus arteriosus closure using the new Amplatzer Duct Occluder. Preliminary results and review of the literature., Minerva Cardioangiol, Vol: 49, Pages: 369-376, ISSN: 0026-4725

BACKGROUND: Patent ductus arteriosus (PDA) is the second most common congenital heart disease. A large number of surgical and transcatheter techniques for the interruption or closure of PDA has been reported. The aim of this study was to assess the immediate and short-term results of transcatheter closure of PDA using the new, self-expandable, self-centering, and repositionable Amplatzer Duct Occluder device. METHODS: We attempted occlusion of PDA with the Amplatzer Duct Occluder in seven consecutive patients, one child and six adults, four females and three males, between September 1999 and January 30th 2000. All PDAs but one were approached from the femoral venous site; the Amplatzer Duct Occluder size was selected in order to be 2 mm larger than the duct's diameter at its narrowest site and the mean PDA diameter was 5.4+/-2.5 mm (range 3-9). All patients underwent physical examination, chest X-ray and echocardiography within 48 hours and on first and third month after PDA occlusion. RESULTS: Four patients had a megaphone type (type A), and three had an elongated, conical type (type E) PDA. Four patients had immediate, complete angiographic closure of the ductus 10 minutes after the procedure, one had a trace shunt and two had small shunts which all disappeared within 48 hours. The average fluoroscopy time and procedural time were 34.4+/-10.6 min (range 21-50) and 105+/-38.9 min (range 75-190) respectively. There were no complications at follow-up. CONCLUSIONS: Transcatheter closure of PDA using the new Amplatzer Duct Occluder is an easy and effective technique. Moreover it is safe even in the presence of wide PDAs.

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Zanchetta M, Onorato E, Rigatelli G, Dimopoulos K, Pedon L, Zennaro M, Maiolino Pet al., 2001, Use of Amplatzer septal occluder in a case of residual atrial septal defect causing bidirectional shunting after percutaneous Inoue mitral balloon valvuloplasty., J Invasive Cardiol, Vol: 13, Pages: 223-226, ISSN: 1042-3931

We describe a 70-year-old woman who underwent successful percutaneous Inoue antegrade-technique mitral valvuloplasty. Three months later, the patient developed right-sided heart failure. Color Doppler echocardiography and cardiac catheterization demonstrated an atrial septal defect with bidirectional shunting and no restenosis of the mitral valve (iatrogenic Lutembacher's syndrome). Percutaneous treatment was successfully accomplished using a 13 mm Amplatzer Septal Occluder (AGA Medical Corporation, Golden Valley, Minnesota). The causes of right-to-left shunting and the effects of body position on gas exchange in such patients are also discussed.

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