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Y Aigrain

Publications and source records attributed to Y Aigrain.

At least 109 records · Page 6Linked to original sources
PubMed1989

[Subglottic stenosis and gastroesophageal reflux].

The authors report the cases of ten children treated for sub-glottic laryngeal stenosis, in the Department of Pr. Narcy in Hospital Robert-Debre. Medical treatment of the laryngeal stenosis had failed in these cases. Treatment, most often surgical, of the gastro-oesophageal reflux present in these ten cases enabled these children to be cured. A review of the literature stresses the role and responsibility of gastro-oesophageal reflux in laryngeal pathology. Based on their experience, the authors suggest: systematic investigation for gastro-oesophageal reflux during management of laryngeal stenosis, especially when laryngeal inflammation is encountered; the adoption of an interventionist attitude vis-a-vis gastro-oesophageal reflux which would seem to have an important pathogenic role in certain laryngeal stenoses.

Child, Preschool↗
PubMed1989

[Multiple intestinal atresias. Report of 2 cases].

We report two new cases of multiple gastrointestinal atresias as described by Guttman and al in 1973. The clinical presentation is characteristic: the newborn presents himself with a neonatal occlusion. Plain abdominal film shows gas in a distended stomach with intraluminal calcifications. At laparotomy in both cases a diaphragm was present at the pyloric region followed by innumerable diaphragms only a few centimeters apart until the rectum in the first case, and the right colon in the second one. Reconstruction of the intestinal lumen was impossible and the babies died due to sepsis. Pathologic finding in both cases were those of numerous intraluminal diaphragm associated in the first cases with types II atresias. There was no normal epithelium from the stomach to the rectum. This strongly supports the hypothesis of a malformation of the gastrointestinal tract occurring during early fetal life. The possibility of an autosomic recessive transmission of the process was outlined by Guttman.

Female↗
PubMed1988

[Calcified thrombosis of the inferior vena cava in children].

A new case of calcified thrombus in the Inferior Vena Cava is described, and added to the 19 previously reported cases in literature. The etiology of these calcified thrombi is unknown, but a precise diagnostic an therapeutic approach is now well established. On plain X-ray of the abdomen, the right paravertebral bullet-shaped calcification is diagnostic. No further investigations are necessary, except in the neonatal period, when the thrombus is incompletely calcified, suggesting neuroblastoma or adrenal hemorrhage. Definitive diagnosis, in that case, can be made by abdominal ultrasonography. In the current state of our knowledge, the clinical tolerance of this anomaly is excellent. No specific treatment appears to be necessary.

Age Factors↗
PubMed1986

[Rupturing of valves of the posterior urethra in the newborn using a balloon catheter. Results of the technic apropos of a series of 10 children].

Prenatal ultrasonographic diagnosis of urethral valves is now common. Treatment of the urethral obstruction has sometimes to be done in low weight newborn babies. In these babies, the stripping of valves using a Fogarty catheter provides an helpful way of treatment, easier than endoscopy. The technique is presented here. The results of this procedure in 10 neonates with a follow up of 3 to 22 months are reported. The urethral obstruction is easily cured in most patients without using a previous diversion. This procedure is indicated in premature or hypotrophic newborns when the urethral size is too small to allow a safe endoscopic section of the valves. We did not observe secondary stricture. Follow up is too short to allow a correct investigation of the continence.

Catheterization↗
PubMed1985

Longitudinal division of small intestine: a surgical possibility for children with the very short bowel syndrome.

Surgical approach to short bowel syndrome has been dealing with two major problems: lack in absorptive surface and dysfunction of the peristalsis of the widely distended loop above the anastomosis. In those children having a very short intestine, one is reluctant to either resect or reduce the diameter of this loop. Bianchi, followed by Boeckman and Traylor, described a procedure of loop lengthening by dividing it longitudinally. Their procedure has the advantage of restoring normal peristalsis without losing any absorptive surface. A modification of the original procedure of Bianchi is described. We report on its application in a child born with laparoschisis and intestinal atresia; she had in fact 25 centimetres of duodenum and proximal jejunum anastomosed with left colonic angle. This child was referred to us with functional occlusion related to distension above an intact and unobstructed anastomosis. She was operated on at six weeks of age. Postoperatively oral feeding could be started after one month. Broviak's catheter for parenteral nutrition was removed at six months. In conclusion we believe that this technique offers a chance of better and faster adaptation to children born with short bowel syndrome.

Dietary Fats↗
PubMed1985

[Intestinal pseudo-obstruction and cytomegalovirus infection of myenteric plexuses].

The authors report an intestinal pseudo-obstruction syndrome occurring in a 2 month-old boy, with acquired major and persistent abdominal distension, leading to total parenteral nutrition. Rectal biopsy revealed hypoganglionosis with thickening of nerve processes and intranuclear inclusions in some neurons. Suspected cytomegalovirus infection was confirmed by viruria and specific IgM and IgG antibodies.

Autonomic Nervous System Diseases↗
PubMed1984

[Established caustic stenosis of the esophagus in children. Closed-thorax esophagectomy with in situ colonic esophagoplasty].

Replacement of the oesophagus with a colonic graft brought up to a retrosternal or intrathoracic position is usually performed in children with undilatable oesophageal stenosis resulting from caustic burns. However, incidents associated with the oesophagus remaining in situ regularly raise the problem of concomitant or delayed oesophagectomy and therefore thoracotomy. A one-stage surgical technique is described, which includes closed-thorax oesophagectomy and colonic oesophagoplasty in situ in the oesophageal bed. The 3 patients operated upon by this method made an uneventful recovery.

Burns, Chemical↗
PubMed1984

[Hypospadias].

Explore the source record for details and available documents.

Child↗
PubMed1982

Density distribution profiles of T cells: TM, TG and TA cells and response patterns in autologous versus allogeneic MLRs.

Discontinuous Percoll gradients have been used to obtain selected human peripheral blood T lymphocytes without having to resort to interactions with immune complexes in the fractionation of Tm, Tg and Ta cells. Here, we could show that Ta cells represent a heterogeneous population with no distinct density profile, in contrast to light (Tg) and heavy (Tm) cells. Enriched, heavy Tm cells could be shown to be excellent responders in allogeneic MLR while failing to react in autologous MLR. In contrast, T cells of light density preferentially respond in autologous compared with allogeneic MLR.

Animals↗
PubMed1982

[Evaluation of the treatment of the unicameral bone cyst in children (author's transl)].

Solitary bone cyst is characterized by its tenacity and the risk of recurrence. This fact led the authors to use a surgical procedure very different of the classic ways of treatment as they excluded any bone graft to the benefit of a muscle graft with wide resection. 35 cases have been operated on at several steps of childhood. The recurrence's rate decreased plainly and is no more than 9%. They concern only the wide humeral cysts which were active and close to the fertile plate of the humeral head. These recurrences have been very well tolerated and have not predisposed the child to some pathological fractures. Residual pseudo-cysts were seen in 20% of the cases; they related for us, to some gaps of rehabilitation. This procedure ay be considered as the complement of cortisone's local infection when this one is not able to heal the solitary bone cyst.

Bone Cysts↗
PubMed1981

Enrichment of MLR-activated human suppressor cells by discontinuous density-gradient centrifugation.

6-day allogeneic mixed lymphocyte cultures (MLR) were fractionated on a four-step discontinuous Percoll gradient. The various fractions were added as regulatory cells to freshly established micro-MLRs between the original or third-party cell donors. Unspecific suppressor activity was highly enriched in gradient fraction III (density 1.069--1.062 g/ml), consisting mainly of blast-like cells. Suppressor cells were non-adherent T cells as determined by their spontaneous rosette formation with sheep erythrocytes and their susceptibility to lysis by anti-T-cell globulin plus complement. Mitomycin C treatment diminished their inhibitory capacity. In addition, gradient fraction III was also enriched with alloantigen-activated memory cells. By contrast, unprimed alloreactive cells were recovered from gradient fraction IV (density greater than or equal to 1.070 g/ml), consisting mainly of small, resting lymphocytes.

Adult↗
PubMedDate not supplied

Effect of amnioinfusion on the outcome of prenatally diagnosed gastroschisis.

OBJECTIVE: Following recent data showing that an inflammatory response exists in the amniotic fluid of gastroschisis-affected fetuses, we hypothesized that amniotic fluid exchange or amnioinfusion would improve the prognosis of prenatally diagnosed gastroschisis. METHODS: We compared the outcome of prenatally amnioinfused fetuses with gastroschisis to non-amnioinfused fetuses with gastroschisis. 10 patients undergoing this procedure were matched with 10 patients of our previous study. Comparisons were done on data including surgical procedure, follow-up in the NICU and the gastro-pediatric unit. RESULTS: Our results show that gastroschisis-affected fetuses undergoing amnioinfusion had a lower duration of curarization after surgery (2.2 +/- 1.9 vs. 6.8 +/- 6.9 days, p = 0.019), a shorter delay before full oral feeding (49.7 +/- 21.5 vs. 72.3 +/- 56.6 days, NS), and a shorter overall length of hospitalization (59.5 +/- 19.7 vs. 88.5 +/- 73.6 days, NS). We confirmed our previous data showing that amniotic fluid displays a chronic inflammation profile. CONCLUSION: Our data suggest that amnioinfusion could improve the outcome of gastroschisis affected fetuses. The hypothesis by which this improvement could be due to a reduction of an inflammatory response remains to be proved.

Adult↗
PubMedDate not supplied

Influence of amnioinfusion in a model of in utero created gastroschisis in the pregnant ewe.

OBJECTIVE: Recent studies on the management of human fetal gastroschisis have produced two major findings: (1) there is an inflammatory response in the amniotic fluid of these fetuses, and (2) amniotic fluid exchange designed to disrupt the inflammatory loop seems to have a favorable impact on the immediate and late outcome of these early operated neonates. To test this hypothesis, we used serial amniotic fluid exchanges in a model of gastroschisis developed in the ewe. METHODS: Gastroschisis was created at midgestation in 21 lamb fetuses by an in utero technique. Saline was amnioinfused in some fetuses every 10 days to term. Fetuses were sacrificed on day 145 by cesarean section. Extra-abdominal bowels with fibrous peel were processed for histologic examination. Comparisons were done between fetuses without gastroschisis (controls), fetuses with gastroschisis and amnioinfusion, and fetuses with gastroschisis without amnioinfusion. RESULTS: Of 21 fetuses operated, 8 died in utero or were stillborn; 5 were not amnioinfused, and 8 underwent amnioinfusion. Thickness of bowel muscularis (micrometer) was 92.6 +/- 20.2 for controls, 126.2 +/- 21 for the amnioinfused fetuses, and 182.8 +/- 58.3 for the nonamnioinfused fetuses (p = 0.001). The same significant results were obtained for thickness of serous fibrosis (p = 0.02) and plasma cell infiltration (p = 0.015). CONCLUSIONS: We have created a model of gastroschisis suitable for experimentation in the fetal sheep. Our amnioinfusion data in this model indicate a clear improvement of the deleterious process. This finding correlates well with recent data on amnioinfusion as a therapeutic approach to human gastroschisis.

Amniotic Fluid↗