Biomedical subjects

F Pisón

Publications and source records attributed to F Pisón.

3 recordsLinked to original sources

PubMed1997

[Functional surgery of cholesteatoma. I. Closed techniques].

A review was made of 138 ears treated with walled-up canal tympanoplasty for chronic otitis media with cholesteatoma. In 66.7% of the ears, two-stage operations were performed. Cholesteatomas were located in the attic (72.5%), mesotympanum (42.8%), antrum (39.1%), and mastoid (11.6%). The most common lesion of the ossicular chain was incus necrosis (61.6%). Total ossicular replacement prosthesis (TORP) (56.5%), partial ossicular replacement prosthesis (PORP) (21.7%), mastoid cortical bone autograft (13%), and incus autograft (8.7%) were used to reconstruct the ossicular chain. After three years, 56.5% of the operated cars were free of complications. The rest had the following complications: recurrence of cholesteatoma (17.4%), perforation of the neotympanum (12.5%), prosthesis extrusion (9.4%), and episodes of otorrhea (4.2%). The best functional results were obtained with autografts (cortical and incus) and TORP.

Adolescent↗

PubMedDate not supplied

[A radiological study of the nasopharynx].

Since the difficulty to objectively assess the adenoidal tissue and the nasopharyngeal airway in children, it is necessary to find out an accurate method of measuring these structures. The present work studied the efficacy of the cavum lateral X-ray to measure the adenoidal tissue and to assess the obstruction in causes in the nasopharynx. With this purpose, different radiological measurements were carried out in 90 children who were going to undergo adenoidectomy. A significant correlation between these measurements and the volume and weight of the removed tissue was found. Also, a postadenoidectomy radiological control showed a significant decrease of the adenoidal tissue and a significant increase of the nasopharyngeal airway. The authors conclude that the lateral cavum X-ray is a good procedure to measure the adenoidal tissue and the nasopharyngeal airway.

Adenoidectomy↗

PubMedDate not supplied

[Considerations regarding functional cholesteatoma surgery. II. Open techniques].

A review was made of 128 canal wall-down tympanoplasties for chronic otitis media with cholesteatoma. The cholesteatoma was found in the attic (82.4%), antrum (71.7%), mastoid (45.8%), and mesotympanum (35.8%). In 89.1% of cases there was ossicular chain injury. In 39%, the ossicular chain was partially reconstructed (modified canal wall-down tympanoplasty). After one year, 84.4% of the operated ears were safe, dry and self-cleaning. The others (15.6%) had postoperative otorrhea. Canal wall-down modified mastoidectomy achieved closure of the air-bone gap from 40 to 24 dB (p < 0.001).

Cholesteatoma↗