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Biomedical subjects

Y Lecompte

Publications and source records attributed to Y Lecompte.

At least 91 records · Page 5Linked to original sources
PubMed1980

Anatomical correction of transposition of the great arteries.

This method of true anatomical repair of transposition of the great arteries (TGA) avoids the transection and suture of the coronary arteries and does not require any tubes of foreign material. Because the transection goes through the infundibulum under the aortic annulus, the complete aortic root together with the coronary arteries and a muscular subvalvular rim can be sutured to the pulmonary annulus. The technical simplicity of this procedure allows its application in TGA with intact ventricular septum in the newborn when the left ventricular pressure is still high or after the left ventricle has been "prepared" by previous banding of the main pulmonary artery.

Aorta↗
PubMed1980

Is right bundle branch block aviodable in surgical correction of tetralogy of Fallot?

Right bundle branch block (RBBB) is usually considered almost unaviodable after repair of teralogy of Fallot (TOF). By modifications of the standard technique, its frequency has been decreased to 32% in a series of 1000 consecutive patients. These modifications are: (1) a very short right ventricular incision avoiding the ventriculotomy-induced RBBB pattern; (2) an infundibular resection limited to the septal attachment of the infundibular septum; and (3) closure of the ventricular septal defect with a patch sutured to the very edge of the muscular septum, avoiding injury to the right bundle along the right aspect of the septum. No patient in this series sustained permanent complete atrioventricular heart block. Among patients with RBBB, five had a left anterior hemiblock. Postoperative intraventricular conduction was related to age at operation: The incidence of RBBB was significatively higher in infants. The beneficial effects of a low incidence of postoperative RBBB after repair of TOF are not known.

Adolescent↗
PubMed1979

[Valve-fitted prosthetic tubes in the pulmonary outflow tract. Results of a series of 45 operations].

The malformations requiring valve fitted prosthetic tubes in the pulmonary outflow tract were mainly persistent truncus arteriosus and pulmonary atresia with ventricular septal defect in this series. The surgical mortality before 18 months was 75% and 19% after this age. The long-term clinical result (average follow up period: 2,5 years) was good or acceptable in 20 of the 32 survivors. There were 5 late deaths and 6 reoperations. The main causes of long-term failures were progressive pulmonary hypertension without shunt, acquired stenoses on the prosthesis and late infection. It is important to assess poor results by catheterisation as reoperation is frequently possible with a relatively low mortality rate (1/6) and encouraging results.

Adolescent↗
PubMed1979

[Echocardiographic diagnosis of 4 cases of tricuspid valve endocarditis].

Four tricuspid endocarditis cases are reported. Echocardiography found, four times, large vegetations on the tricuspid leaflets leading to the diagnosis. The degree of tricuspid insuffisancy was appreciated by the RV/LV ratio. Successive echos have permitted to survey the evolution and specially to establish a clear decrease of abnormal tricuspid echoes succeeding to pulmonary embolisms. In the four cases, surgery confirmed the diagnosis.

Adolescent↗
PubMed1979

[Traumatic rupture of the aortic valve. Echocardiographic aspects. Apropos of a case].

The appearance of a diastolic murmur in a pyrexial patient 15 days after trauma was suggestive of infectious endocarditis. This diagnosis was excluded, especially by echocardiography, and the aortic incompetence was attributed to the trauma. The value of echocardiography and the features of other reported cases are discussed with referrence to this case.

Accidents, Traffic↗
PubMed1978

[Surgical correction of tetralogy of Fallot with an iatrogenic obstruction on 1 branch of the pulmonary artery].

The au;hors report 12 cases of Fallot' tetralogy with stenosis or obstruction of one of the two branches of the pulmonary artery following palliative anterior anastomosis. The complications of correction by open heart surgery include the frequent incidence of pulmonary hypertension, which was responsible for 4 deaths. No satisfactory explanation could be found for these poor results. It is desirable to avoid the creation of asymetry in pulmonary blood supply in Fallot's tetralogy and, if such should be found, suggestions are made for its correction by open heart surgery in order to improve the prognosis.

Child↗
PubMed1978

[Correction of cardiac malformations after corrected transposition of the great vessels. A series of 18 cases operated on by an open heart technique].

Recent progress in the surgical treatment of malformations after transposition has been dealt with has been made in three directions: 1. By knowledge of the position of the conducting pathways in relation to ventricular septal defects, so that total atrioventricular block, the first complication of this type of surgery, may be avoided; 2. By appreciation of the proximity of the conductive pathways to the elements contributing to pulmonary stenosis, which may contra-indicate direct removal of such stenosis. In such a case, a valved tube must be placed between the sub-pulmonary ventricle and the pulmonary artery; 3. By appreciating the frequency, the difficulty in diagnosis and the grave consequences of failing to recognise lesions of the atrioventricular valves, with the result that their systematic investigation should form part of the operative technique.

Adolescent↗
PubMed1977

[Pulmonary stenosis with tricuspid insufficiency in the child].

The authors report 3 cases of pulmonary stenosis with an intact interventricular septum and tricuspid incompetence. The tricuspid regurgitation was corrected in all 3 cases. After recalling the clinical features, they emphasize the importance of seeking for this condition and correcting it in every case if the immediate and long-term results are to be satisfactory.

Child↗
PubMed1977

[Pacemakers in children].

This is a study of pacemakers in 32 children with permanent pacemakers, 7 of them for congenital block, and 25 for post-operative block, representing a total of 69 pacemaker implantations. After a brief survey of the results, there is a discussion of the problems of the indications, relative for the congenital blocks, and absolute for the surgical blocks after a short period of observation. The choice of type of pacemaker rests upon three essential features: minimum inconvenience, a good length of active life, and the facility of an increased rate. Recent technical progress has allowed these features to be combined. The pacemakers currently available are shown on a table. The results are to a large extent determined by extreme care being taken over the implantation; meticulous asepsis, a low threshold on the electrode test, a pacemaker which is "comfortable" in its site, all these are essential if the serious complications are to be avoided, namely infection and pacemaker failure. The best route for the child, as for the adult, is by way of an epigastric approach with an abdominal pocket. In the very small infant, it seems better to implant by left thoracotomy, and to site the pacemaker intrapleurally.

Adolescent↗