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Biomedical subjects

F Brunelle

Publications and source records attributed to F Brunelle.

At least 199 records · Page 11Linked to original sources
PubMed1979

[Experimental endovascular electrocoagulation. Use of alternating current and a bipolar electrode (preliminary study) (author's transl)].

Early experimental studies have shown that it is possible to obtain vascular obliteration and clot formation using monopolar direct current electrocoagulation. There is a major risk of rupture of blood vessels if alternating current is used. Using a co-axial bipolar electrode and high frequency alternating current it was possible to obtain valid, reproducible, and safe vascular obliteration in the distal digestive tract arteries in dogs. The obliteration is due to lesions of the intima and the formation of a clot in situ.

Animals↗
PubMed1978

[The temporo-maxillary joint in infants (author's transl)].

Normal phylogenetic, embryologic, and morphologic characteristics of the temporo-maxillary joint in infants are reviewed. The principal techniques for radiological examinations are outlined, followed by a classification together with illustrations of the main pathological disorders affecting this joint in infants.

Ankylosis↗
PubMedDate not supplied

Pigment gallstones of the common bile duct in infancy.

Ten infants of less than 6 months of age presented with cholestatic jaundice and gallstones. Jaundice occurred after a lag period, and sepsis was present in three children. Ultrasound examination showed dilatation of intrahepatic and extrahepatic bile ducts in eight patients and detected cholelithiasis in three. Percutaneous transhepatic cholangiography and/or surgery allowed separation of the patients into two groups: (i) six children with lithiasis in the distal common bile duct, and (ii) four children with lithiasis associated with bile duct perforation at the junction between the cystic and common bile ducts with gallstones probably secondary to bile stasis and infection. Surgical treatment was confined to removal of calculi and drainage in eight children; biliary reconstructive surgery was necessary in the other two who had serious biliary duct lesions. No recurrence was observed after 1 to 7 years. The pigmentary nature of cholelithiasis was established by stone morphology in all cases, and by bile and stone analysis in several cases.

Bile↗
PubMedDate not supplied

[Total replacement of a middle phalanx by free non-vascularized chondral graft, after failure of sclerotherapy for treatment of an aneurysmal bone cyst].

We treated an eleven year-old boy for an aneurysmal bone cyst of the middle phalanx of the long finger. Diagnosis was established after total curettage. The tumor involved the whole phalanx and grew steadily after two attempts at sclerotherapy (with absolute alcohol and Ethibloc). After two years, en-bloc resection had to be performed, and raised the problem of reconstructing a complete finger phalanx with its proximal and distal epiphyses. A free cartilaginous graft from the non-ossified iliac crest was shaped to the exact dimensions of the phalanx and set in its place, with minimal damage to the surrounding tissues during dissection and fixation. By six months an almost normal range of motion was achieved in the PIP (10 to 90 degrees ) and DIP (5 to 30 degrees) joints and radiographs showed complete metaplasia of the chondral graft into an ossified phalanx at 20 months follow-up. The joint spaces also remodelled, and this was confirmed with MRI scanning. Reports on partial replacement of diaphysis or epiphyses in the digits are discussed, but the only valid comparison of total phalanx replacement is free toe phalanx grafting. We did not choose this solution in a normal hand because of the length discrepancy between finger and toe phalanges. This case shows that, in this particular paediatric situation, the free non-vascularised transfer of a chondral graft restored excellent function, with remodelling of the phalanx and joint spaces of the finger.

Arthroplasty↗
PubMedDate not supplied

[The Kasabach-Merritt syndrome with pancreatic localization in a newborn infant].

The case of a neonate with a large pancreatic hemangioma belonging to the Kasabach-Merritt syndrome is reported. Selective embolization of one of the main vessels originating from the gastroduodenal artery resulted in a progressive increase of blood platelet levels and in a concomitant change in the hemangiomatous structure at ultrasound examination, as well as in a subsequent acceleration of somatic growth. At 8 months of age, there were no more clinical, radiological, ultrasonographic or biological signs of the hemangioma. This case report emphasizes the interest of embolization in the Kasabach-Merritt syndrome.

Embolization, Therapeutic↗
PubMedDate not supplied

[Infectious aneurysm of the superior mesenteric artery in a 14-year-old child].

A 14-year-old girl developed an infectious aneurysm of superior mesenteric artery secondary to a bacterial endocarditis. Diagnosis was suggested by ultrasound images demonstrating a hypoechogenic structure with imparted turbulent systolic movements in superior mesenteric artery region. Diagnosis was confirmed at operation involving an obliterating endo-aneurysmoraphy.

Adolescent↗