Biomedical subjects

F Rodríguez Adrados

Publications and source records attributed to F Rodríguez Adrados.

At least 19 recordsLinked to original sources

PubMed1999

[CO2 laser tympanostomy without ventilation tubes].

A new tympanostomy procedure, by CO2 laser and without ventilation tubes, which is known as tympanolaserostomy or laser-assisted tympanostomy (LAT), was compared with traditional tympanostomy with tubes. Since 1990, we have operated on 168 ears using a CO2 laser fitted with an adapter to an operative microscope. Multiple low-power impacts (0.8-1.0 W in 0.1 s) focused on a minimal spot (0. 18 mm) were preferred. This intervention did not require anesthesia and produced circular orifices 2.0 to 2.5 mm in diameter that closed in 30-40 days. Compared with 168 ears operated by tympanostomy with tubes, laser tympanostomy produced similar rates of auditive recovery by one month and only 15% of recurrence by 6 months. Recurrences were treated with laser or with tubes if prolonged ventilation was planned. After 1 to 4 years, does not require anesthesia, tubes, or hospitalization, it reduces risk and complications, and consequently decreases costs.

Carbon Dioxide↗

PubMed1999

[Hypothyroidism in patients treated for laryngeal cancer: preliminary results].

OBJECTIVE: The reported incidence of hypothyroidism following surgery and/or irradiation for laryngeal cancer varies widely and the condition often is misdiagnosed. This study examines the incidence of thyroid dysfunction in patients with laryngeal cancer. MATERIAL AND METHODS: Thyroid function tests were carried out in 75 patients with stage III and IV laryngeal carcinoma who were treated in our center with surgery (13 cases), radiotherapy (13 cases), or surgery and radiotherapy (49 cases) at least 18 months earlier. The clinical and histological variables recorded included T4 and TSH concentrations. Univariate and multivariate analysis was carried out with the BMDP program from UCLA (1995 version) to examine the relationship between hypothyroidism and clinical and pathological factors. RESULTS: Twenty-nine patients (38.6%) had high TSH or low T4 concentrations and were diagnosed as having hypothyroidism. Hypothyroidism was significantly related with date of surgery (before 1993) and the treatment used on the neck. Thyroid function was rarely affected in patients who underwent functional neck dissection, but radical neck dissection and irradiation of the neck always were followed by hypothyroidism. CONCLUSIONS: Thyroid testing should be performed routinely in the follow-up of laryngeal cancer. Many psychological symptoms attributed to total laryngectomy may be due to hypothyroidism, an easily treated condition.

Carcinoma, Squamous Cell↗

PubMed1998

[Simplified videonystagmoscopy].

Videonystagmoscopy visualizes nystagmus on a television monitor and records it on video tape for later study, records, and reproduction. Early attempts date from long ago, but the technique only recently has spread, since the development of complex computerized equipment which, however, confines it to certain vestibular exploration laboratories. In order for this technique to become more widely used, simple equipment is needed, such as that described in this article. Our system consists of a single infrared light minivideo camera that is attached to the left eye using an eyeglass-mounting system that also occludes the right eye. The examination method is routine. Our results show the following advantages over electronystagmography: visualization of the rotary component, non-interference of visual stimuli, mechanical and electronic stability, speed, and low cost. If necessary, it can be complemented by electronystagmography and computer analysis.

Electronystagmography↗

PubMed1997

[Calearo horizontal glottectomy in bilateral glottic cancer].

Bilateral glottic carcinoma is an unusual tumor that presented a surgical problem that was not resolved satisfactorily until Calearo and Teatini published their horizontal glottectomy technique in 1978, which consists of block excision of both vocal cords with part of the thyroid cartilage, and conservation of the arytenoids. This laryngeal horizontal glottic technique is analogous to supraglottic horizontal laryngectomy. We report our experience with 12 cases, indicating the technical details of the procedure, the satisfactory oncological and functional results, and current indications.

Carcinoma↗

PubMed1977