References of "Radermecker, Marc"
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See detailA left atrial thrombus too big to embolize.
Lancellotti, Patrizio ULg; Radermecker, Marc ULg; Pierard, Luc ULg

in European Heart Journal (2007), 28(13), 1660

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See detailL'image du mois. SAM apres reparation de la valvule mitrale.
Radermecker, Marc ULg; Warzee, F.; Kerzmann, Arnaud ULg et al

in Revue Médicale de Liège (2007), 62(2), 65

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See detailChirurgie des tumeurs de la paroi thoracique
RADERMECKER, Marc ULg; Nelissen, X.; Bous, A. et al

in Revue Médicale de Liège (2006), 61(11), 771-4

The observation of a primary chest wall desmoid tumor discovered incidentally in a young patient is an opportunity to review the nosology, diagnosis and treatment of this uncommon pathology. Surgical ... [more ▼]

The observation of a primary chest wall desmoid tumor discovered incidentally in a young patient is an opportunity to review the nosology, diagnosis and treatment of this uncommon pathology. Surgical intervention should aim at resecting completely the lesion with sufficient margins. Subsequent reconstruction of the bony thorax uses synthetic materials and muscle or myocutaneous flaps. [less ▲]

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See detailThe usual causes of left ventricular outflow tract obstruction below the aortic valve in normal ventriculoarterial connection: Review of the physiopathology and surgical implications
RADERMECKER, Marc ULg; CANIVET, Jean-Luc ULg; LANCELLOTTI, Patrizio ULg et al

in Acta Chirurgica Belgica (2005), 105(5), 475-481

Subaortic narrowing leading to left ventricular outflow tract obstruction (LVOTO) is a significant pathology that may be encountered pre- or postoperatively in both acquired or congenital cardiac disease ... [more ▼]

Subaortic narrowing leading to left ventricular outflow tract obstruction (LVOTO) is a significant pathology that may be encountered pre- or postoperatively in both acquired or congenital cardiac disease. Through a review of the morphological features and mechanisms in the different clinical situations, the anatomic, dynamic and mixed forms of subaortic obstruction are emphasized. Knowledge of the substrate of LVOTO, its physiopathology and natural history allows to plan accordingly the surgical repair and the postoperative management. [less ▲]

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See detailLe cas clinique du mois. Remplacement de l'aorte ascendante et conservation de la valve aortique: operation de David
RADERMECKER, Marc ULg; Pierard, Luc ULg; GASPARD, Ulysse ULg et al

in Revue Médicale de Liège (2005), 60(3), 141-3

We report the case of an ascending aortic aneurysm involving the aortic root, with a functionally competent bicuspid aortic valve, treated by the David's operation. This operation allows to fix the aortic ... [more ▼]

We report the case of an ascending aortic aneurysm involving the aortic root, with a functionally competent bicuspid aortic valve, treated by the David's operation. This operation allows to fix the aortic root pathology, whilst preserving the native aortic valve. The technical aspects, surgical indications, and potential benefits of this operation are reviewed. [less ▲]

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See detailL'image du mois. Quadricuspidie aortique, une cause rare d'insuffisance aortique
RADERMECKER, Marc ULg; Jastrzebska, V.; Hiernaux, M. et al

in Revue Médicale de Liège (2005), 60(2), 75-6

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See detailLes differentes voies d'abord de l'oreillette gauche
RADERMECKER, Marc ULg; Limet, Raymond ULg

in Revue Médicale de Liège (2004), 59(9), 504-8

The knowledge of the anatomy of the atria and interatrial septum permits different routes to approach the left atrioventricular valve. The Waterston's or Sondegaard's groove approach is the most ... [more ▼]

The knowledge of the anatomy of the atria and interatrial septum permits different routes to approach the left atrioventricular valve. The Waterston's or Sondegaard's groove approach is the most frequently used, but other approaches such as Dubost'transseptal technique, vertical transseptal approach (Berreklouw-Guiraudon), biatrial inferior transseptal approach (Couetil) or Saksena's approach may be relevant in special situations. It is the purpose of this article to review the anatomic and technical basis of these different approaches and their respective merits. [less ▲]

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See detailL'image du mois. Myxome de l'oreillette gauche
RADERMECKER, Marc ULg; Rouers, Anthony ULg; Marchettini, P. et al

in Revue Médicale de Liège (2004), 59(7-8, Jul-Aug), 419-20

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See detailPrevention secondaire des accidents ischemiques coronariens par la chirurgie de pontage aorto-coronaire
Radermecker, Marc ULg; Limet, Raymond ULg

in Revue Médicale de Liège (2003), 58(5), 283-6

Coronary artery bypass surgery has shown its superiority on other therapeutic options in specific but frequent indications such as left main lesions, multivessel disease with alteration of ventricular ... [more ▼]

Coronary artery bypass surgery has shown its superiority on other therapeutic options in specific but frequent indications such as left main lesions, multivessel disease with alteration of ventricular function, proximal lesions of the LAD, and multivessel diseases in diabetic patients. After reviewing the epidemiology of coronary artherosclerosis, we emphasize the efficacy of the surgical treatment compared to medical or interventional therapy for preventing ischemic events. The results derived from randomized studies may be even further improved by the implementation of beating heart surgery and the systematic use of multiple arterial conduits. [less ▲]

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See detailIncreased mRNA expression of decorin in the prolapsing posterior leaflet of the mitral valve.
Radermecker, Marc ULg; Limet, Raymond ULg; Lapiere, C. M. et al

in Interactive Cardiovascular and Thoracic Surgery (2003), 2(3), 389-94

To improve our understanding of myxomatous degeneration of the valvar tissue as seen in mitral valve prolapse, we have compared the biosynthetic phenotype of the connective tissue cells in myxomatous ... [more ▼]

To improve our understanding of myxomatous degeneration of the valvar tissue as seen in mitral valve prolapse, we have compared the biosynthetic phenotype of the connective tissue cells in myxomatous segments (n=4) resected during surgery with that of homologous segments of normal valves (n=4) harvested in age-matched organ donors. The steady-state level of mRNA for selected extracellular matrix macromolecules and metalloproteinases was assessed by quantitative (internal standard controlled) reverse transcriptase-polymerase chain reaction (RT-PCR). Among the investigated gene products, the decorin mRNA expression was significantly increased in degenerative valve compared with normal tissue (211+/-48 vs. 100+/-70, p<0.02). The level of fibrillin 2 also tended to be increased (194+/-88 vs. 100+/-81, p=0.08). These results suggest that myxomatous valvar tissue is characterized by an overexpression of mRNA for decorin. Owing to the role of this small leucine-rich proteoglycan in the regulation of fibril assembly and stability, this alteration may account for or is a result of a defective organization of the collagen and elastic fibers in this disease and contribute to the intrinsic distensibility and fragility of the myxomatous tissue. [less ▲]

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See detailLe cas clinique du mois. Masse médiastinale antérieure chez une patiente acromégale.
Laret, Vinciane ULg; Valdes Socin, Hernan Gonzalo ULg; Betea, Daniela ULg et al

in Revue Médicale de Liège (2003), 58(12), 724-728

The discovery of an anterior asymptomatic mediastinal mass with acromegaly creates a dilemma for the clinician. As acromegaly can be due to a pituitary tumor but also to an ectopic production of GHRH, the ... [more ▼]

The discovery of an anterior asymptomatic mediastinal mass with acromegaly creates a dilemma for the clinician. As acromegaly can be due to a pituitary tumor but also to an ectopic production of GHRH, the first diagnostic step consists of finding the etiology of the disease in order to use adequate treatment. This can be complicated by the fact that acromegaly can be associated with other tumors (for instance in MEN-1 disease and Carney Complex) and because chronic GH hypersecretion can stimulate tumor overgrowth and perhaps tumor formation. We describe the case of a 44-year-old acromegalic woman with an anterior mediastinal mass. We present the different diagnoses and a review of the literature. [less ▲]

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See detailLe cas clinique du mois. Dissection aortique de type A post-remplacement valvulaire aortique
TCHANA-SATO, Vincent ULg; RADERMECKER, Marc ULg; Pierard, Luc ULg et al

in Revue Médicale de Liège (2002), 57(10), 637-9

The risk for aortic dissection or further dilation of the ascending aorta exists after aortic valve replacement. We present a case of acute aortic dissection following replacement of the aortic valve. The ... [more ▼]

The risk for aortic dissection or further dilation of the ascending aorta exists after aortic valve replacement. We present a case of acute aortic dissection following replacement of the aortic valve. The management and treatment of dilated ascending aorta associated with aortic valve disease are reviewed and discussed. [less ▲]

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See detailRemplacement valvulaire mitral par homogreffe
RADERMECKER, Marc ULg; Canivet, J. L.; Tambwe, W. et al

in Revue Médicale de Liège (2002), 57(7), 459-62

The total homograft replacement of the left AV valve and subvalvular apparatus constitutes a delicate operation, which may prove beneficial in young patients with extensive bacterial endocarditis. The ... [more ▼]

The total homograft replacement of the left AV valve and subvalvular apparatus constitutes a delicate operation, which may prove beneficial in young patients with extensive bacterial endocarditis. The case of a staphylococcal endocarditis in a young drug addicted patient, operated three years previously of mitral valve repair for the same pathology, is presented. In addition to the complete excision of infected tissues and valvular substitution with biological material, this technique has the advantage of avoiding long term anticoagulation. The history, technical key points, and current indications of mitral homograft in the surgery of the left atrio-ventricular valves are reviewed. [less ▲]

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See detailLes kystes bronchogeniques: observation clinique et revue de la litterature
RADERMECKER, Marc ULg; Moscato, A.; Delbecque, Katty ULg et al

in Revue Médicale de Liège (2002), 57(1), 45-8

Pulmonary bronchogenic cysts are benign lesions that can be suspected from clinical background and imaging. We present the case of a huge subcarinal bronchogenic cyst and review the embryology ... [more ▼]

Pulmonary bronchogenic cysts are benign lesions that can be suspected from clinical background and imaging. We present the case of a huge subcarinal bronchogenic cyst and review the embryology, physiopathology, surgical indications and techniques of this congenital lesion. [less ▲]

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See detailCommunication interventriculaire et infarctus récent du myocarde
Delanaye, Pierre ULg; Lancellotti, Patrizio ULg; Moonen, Martial et al

in Revue Médicale de Liège (2001), 56(12), 823-829

Rupture of the interventricular septum is a classical complication of acute myocardial infarction. The diagnosis should be evoked when the patient's hemodynamic condition deteriorates in the presence of a ... [more ▼]

Rupture of the interventricular septum is a classical complication of acute myocardial infarction. The diagnosis should be evoked when the patient's hemodynamic condition deteriorates in the presence of a new systolic murmur. A transthoracic or, preferably, transesophageal echocardiography confirms the diagnosis. Early surgical correction constitutes the best treatment. Despite recent progresses, mortality remains high but long term results are encouraging. The risk factors conditioning prognosis, the surgical options and the question of simultaneous coronary bypass will be discussed after a thorough review of the literature. [less ▲]

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See detailNicardipine Protocol for Cabg Using the Radial Artery Clinical and Angiographic Data
RADERMECKER, Marc ULg; Grenade, Thierry ULg; Cao-Thian, S. K. et al

in Acta Chirurgica Belgica (2001), 101(4, Jul-Aug), 185-9

The routine use of arterial grafts in coronary surgery is facilitated by peroperative adjunction of antispasmodic drug to reduce the event of spasm. Diltiazem has been favoured in most clinical studies ... [more ▼]

The routine use of arterial grafts in coronary surgery is facilitated by peroperative adjunction of antispasmodic drug to reduce the event of spasm. Diltiazem has been favoured in most clinical studies devoted to the radial artery graft. The aim of this study was to assess the efficacy of a spasm preventing protocol associating hydrostatic dilation of the graft with a diluted solution of papaverine and nicardipine infusion, starting preoperatively and continued postoperatively in i.v. and per os forms. Between September 1996 and March 1997, a consecutive series of 50 patients underwent myocardial revascularization using the radial artery. The radial artery was prepared by hydrostatic dilation with papaverine (1%) and nicardipine was administrated at 0.25 microgram/kg/min and titrated according to the arterial systemic pressure. Operative mortality was 4% (sepsis). There was no evidence of perioperative MI nor hypoperfusion syndrome. Mean CKMB level at 18 hours was 36 micrograms/l. No ischaemic anomalies of the ECG were detected. Angiography performed in the last 20 patients showed a 98% (51/52) permeability rate for all graft; 19/20 radial grafts (95%) were patent. One radial graft presented a 50% stenosis at the proximal anastomosis, and another a moderate spasm (40%) in the middle part of the conduit. This study confirms that the radial artery conduit can be used with satisfactory results for routine coronary artery bypass. The use of nicardipine allows the control the vasoreactivity of the radial graft without totally obviating at least angiographic spasm. This drug is easy to titrate, and well tolerated in association to beta-blockers in the routine perioperative management of the coronary patients. [less ▲]

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See detailNicardipine Protocol for Cabg Using the Radial Artery Clinical and Angiographic Data
RADERMECKER, Marc ULg; Grenade, Thierry ULg; Cao-Thian, S. K. et al

in Acta Chirurgica Belgica (2001), 101(4, Jul-Aug), 185-9

The routine use of arterial grafts in coronary surgery is facilitated by peroperative adjunction of antispasmodic drug to reduce the event of spasm. Diltiazem has been favoured in most clinical studies ... [more ▼]

The routine use of arterial grafts in coronary surgery is facilitated by peroperative adjunction of antispasmodic drug to reduce the event of spasm. Diltiazem has been favoured in most clinical studies devoted to the radial artery graft. The aim of this study was to assess the efficacy of a spasm preventing protocol associating hydrostatic dilation of the graft with a diluted solution of papaverine and nicardipine infusion, starting preoperatively and continued postoperatively in i.v. and per os forms. Between September 1996 and March 1997, a consecutive series of 50 patients underwent myocardial revascularization using the radial artery. The radial artery was prepared by hydrostatic dilation with papaverine (1%) and nicardipine was administrated at 0.25 microgram/kg/min and titrated according to the arterial systemic pressure. Operative mortality was 4% (sepsis). There was no evidence of perioperative MI nor hypoperfusion syndrome. Mean CKMB level at 18 hours was 36 micrograms/l. No ischaemic anomalies of the ECG were detected. Angiography performed in the last 20 patients showed a 98% (51/52) permeability rate for all graft; 19/20 radial grafts (95%) were patent. One radial graft presented a 50% stenosis at the proximal anastomosis, and another a moderate spasm (40%) in the middle part of the conduit. This study confirms that the radial artery conduit can be used with satisfactory results for routine coronary artery bypass. The use of nicardipine allows the control the vasoreactivity of the radial graft without totally obviating at least angiographic spasm. This drug is easy to titrate, and well tolerated in association to beta-blockers in the routine perioperative management of the coronary patients. [less ▲]

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See detailRevascularisation coronaire a coeur battant par pontages exclusivement arteriels
RADERMECKER, Marc ULg; GRENADE, Thierry ULg; Dresse, Denise ULg et al

in Revue Médicale de Liège (2001), 56(6), 431-2

A case of complete arterial revascularization using both mammary arteries and the left radial artery is reported. The operation was done on the beating heart with the adjunct of a Y graft owing to a ... [more ▼]

A case of complete arterial revascularization using both mammary arteries and the left radial artery is reported. The operation was done on the beating heart with the adjunct of a Y graft owing to a severely calcified ascending aorta. This observation is the occasion to review the basic principles of beating heart surgery. [less ▲]

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See detailLe syndrome de Shone: presentation de quatre cas et revue de la litterature
RADERMECKER, Marc ULg; Massin, M.; GRENADE, Thierry ULg et al

in Revue Médicale de Liège (2001), 56(7), 506-10

The observation of four clinical cases of Shone's complex, two of them presenting first with predominant coarctation of the aorta, prompted us to review the pertinent literature. Patients with ... [more ▼]

The observation of four clinical cases of Shone's complex, two of them presenting first with predominant coarctation of the aorta, prompted us to review the pertinent literature. Patients with multiobstructive lesions of the left heart, including Shone's complex, represent a surgical challenge where the adequate management of mitral valve anomalies, subaortic stenosis, and coarctation constitutes the key prognostic factor for satisfactory mid-term outcome. [less ▲]

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