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Biomedical subjects

Y P Krespi

Publications and source records attributed to Y P Krespi.

At least 19 recordsLinked to original sources
PubMed2000

Management of nasopharyngeal stenosis after uvulopalatoplasty.

OBJECTIVE: The objective of this study is to evaluate the management of nasopharyngeal stenosis (NPS) with the CO(2) laser and a customized nasopharyngeal obturator. STUDY DESIGN: An 8-year retrospective study based at a tertiary care teaching hospital consisting of 18 patients with NPS after uvulopalatoplasty treated over an 8-year period with the CO(2) laser and a nasopharyngeal obturator. Patients with grade I stenosis were treated in the office and did not require a nasopharyngeal obturator. More severe cases (grades II and III) were treated in the operating room and required a nasopharyngeal obturator. RESULTS: Eighteen patients with NPS, stages I to III, were treated with a CO(2) laser with or without a nasopharyngeal obturator with good results. CONCLUSION: The repair of NPS with a CO(2) laser and a nasopharyngeal obturator in severe cases helps in restoring nasopharyngeal patency. SIGNIFICANCE: This technique provided a reliable method of correcting postuvulopalatoplasty NPS.

Adult↗
PubMed1996

Laser-assisted tympanostomy.

Laser-assisted tympanostomy (LAT) was performed in 70 ears to ventilate the middle ear space without using a pressure-equalizing tube. Using a CO2 laser attached to an operating microscope with a Microslad (microscope laser adaptor device), tympanostomies of 1.0 to 3.0 mm (average, 1.6 mm) in diameter were created and remained patent for an average of 3.14 weeks. Patency time was directly related to the size of the opening. Nearly all (97.9%) of the tympanostomies healed with no noticeable scarring and no persistent perforations. Seventy-eight percent of patients at the Florida Ear & Sinus Center (FESC, Sarasota, Fla.) and 84% of patients at the Head & Neck Surgery Group (New York) showed no evidence of recurrent effusion after a minimum follow-up of 3 months. LAT appears to be a safe, cost-effective procedure which can easily be performed in an office setting when bloodless opening in the tympanic membrane is needed for either treatment or diagnosis using endoscopes.

Adolescent↗
PubMed1995

Sarcoidosis of the sinonasal tract: a new staging system.

Sarcoidosis is a chronic multisystem granulomatous disease that has a predilection for pulmonary and upper respiratory tract involvement. Because the initial signs and symptoms of sarcoidosis may be identical to those of other forms of chronic sinonasal inflammatory disease, these patients will often first seek treatment from an otolaryngologist. We present a series of 28 patients whose primary symptoms was involvement of a sinonasal tract. A new staging system is proposed to categorize the severity and sites of involvement and to guide the aggressiveness of therapy. Sarcoidosis should be considered in the differential diagnosis of inflammatory sinonasal disease.

Adult↗
PubMed1995

Nd:YAG laser turbinate surgery animal experimental study: preliminary report.

The chronically hypertrophic nasal turbinate is a challenging problem for otolaryngologists. Although some success has been achieved with a number of medical and surgical methods, other forms of treatment are still needed. In this study, encouraging results were achieved using the neodymium:yttrium-aluminum-garnet (Nd:YAG) laser on canine turbinates. Clinical and histological results showed that with Nd:YAG laser surgery, coagulation occurs in the deep cavernous vessels and submucosal glands of the turbinate, while the overlying mucosa remains intact.

Animals↗
PubMed1994

Laser-assisted serial tonsillectomy.

Laser ablation of the palatine tonsils is a useful alternative to tonsillectomy in adults. Cryptic tonsillitis is a common problem causing recurrent infection, sore throat, and halitosis. Elimination and/or obliteration of surface pockets (crypts) of the palatine tonsils utilizing the CO2 laser was effective in 86 patients treated in the past 4 years. Ablation of the tonsil surface was performed in stages under local anesthesia in an office setting; CO2 laser energy delivered through the "SwiftLase" handpiece extension provided char-free, superficial layer ablation of tissue. "SwiftLase" is easily installed onto existing CO2 laser units and provides high-power densities by utilizing a focused laser beam in an extremely fast uniform scan over an extended area (up to 4 mm) within a fraction of a second. This method and results of its use are discussed.

Adolescent↗
PubMed1994

Laser-assisted uvula-palatoplasty for snoring.

Laser-assisted uvula-palatoplasty (LAUP) is a new and effective surgical method for the elimination of habitual snoring. LAUP is safely performed under local anesthesia in the office, and it provides progressive enlargement of the oropharyngeal air space by reshaping and restructuring the uvula, soft palate, and pharyngeal pillars utilizing the CO2 laser with special attachments. LAUP can also reduce oropharyngeal obstruction that may occur during sleep in patients with obstructive sleep apnea syndrome. Our experience includes over 335 patients evaluated and treated within the past year. Successive laser ablation of the vibrating structures, such as the uvula, soft palate, and posterior pharyngeal pillars, provided an 84% cure rate. In addition, 7% of the patients reported significant improvement in the loudness of their snore. The major advantage of this surgical technique is that it is a safe, simple, reliable, and bloodless procedure that can be performed in the office. This method and the results of its use are discussed.

Adult↗
PubMed1993

The treatment of rhinophyma. 'Cold' vs laser techniques.

OBJECTIVE: To compare laser surgery and sharp blade excision of rhinophyma. DESIGN: Retrospective study of 23 patients treated surgically for rhinophyma. SETTING: Four academic tertiary referral medical centers. PARTICIPANTS: All 23 patients had moderate or major rhinophyma. INTERVENTION: Sixteen patients had laser surgery. Seven patients had sharp blade excision. OUTCOME MEASURES: Length of the procedure, preservation of normal tissue, the need for skin grafting, intraoperative pain and discomfort, intraoperative bleeding, postoperative pain and discomfort, postoperative bleeding, complications, and end results (all listed in the literature as advantages of laser surgery). RESULTS: No difference in length of surgery, preservation of normal tissue, complications, postoperative pain, and end results. No need for skin grafting in both procedures. Less intraoperative and postoperative bleeding, easier and smoother procedure, and more comfortable postoperative care with laser surgery. CONCLUSIONS: Our results do not agree with most of the list of advantages attributed to laser rhinophyma surgery in the literature.

Aged↗
PubMed1993

Airway obstruction. New modalities in treatment.

The key to successful therapy of airway obstruction is always to first secure the airway. The primary care physician needs to understand the airway anatomy and the causes of airway obstruction. As a team, the primary care physician and the otolaryngologist can evaluate and treat these disorders.

Airway Obstruction↗
PubMed1992

The transcervical approach to the superior mediastinum.

We describe our experience with the transcervical approach for the surgical treatment of nonthyroidal superior mediastinal masses. With careful patient selection, proper preoperative workup, and proper operative positioning and technique, the entire superior mediastinum may be explored, thus avoiding the significant morbidity associated with the transsternal route. The transcervical approach requires a thorough knowledge of the surgical anatomy. Nine patients underwent transcervical exploration of the superior mediastinum. The indications included parathyroid adenoma, thymoma, congenital cyst, hemangioma, adenocarcinoma, and thymectomy for myasthenia gravis. We specifically discuss the role of thymectomy in the treatment of myasthenia gravis.

Adult↗
PubMed1991

Multiple branchiogenic anomalies.

A family with three generations of male-to-male transmission of a rare syndrome is presented. The syndrome includes bilateral cervical branchial sinuses, bilateral preauricular sinuses, bilateral malformed auricles and bilateral hearing impairment. Two important aspects of this syndrome are discussed. First, male-to-male transmission rules out a sex-linked mode of inheritance. Second, the finding of both conductive and sensorineural hearing loss is puzzling since the middle and inner ear differ in embryogenesis as to both origin and timing. Few explanatory mechanisms are discussed.

Abnormalities, Multiple↗
PubMed1990

Endoscopic laser arytenoidectomy revisited.

Arytenoidectomy is currently the most reliable method of treating patients with bilateral vocal cord paralysis. Although both endoscopic and external approaches have been described, the endoscopic laser technique is more desirable because it requires no incision and allows for the immediate assessment of airway size. Eleven patients with bilateral vocal cord paralysis treated by endoscopic laser arytenoidectomy were presented in 1984. At that time, 10 of the 11 patients had been successfully decannulated. Follow-up on that group of patients revealed that 7 of the 10 successfully treated patients remain decannulated with a good airway, although 2 of these patients required a revision procedure to excise a granuloma. One patient failed at 15 months and has failed two subsequent revision operations, and 2 patients have been lost to follow-up. Since 1984, 17 additional patients with bilateral vocal cord paralysis have been treated by the authors using the same endoscopic laser arytenoidectomy technique; all have been successfully managed, with a minimum follow-up of 3 years. The technique of this operation will be reviewed. This study demonstrates the clinical usefulness of endoscopic laser arytenoidectomy in the treatment of bilateral vocal cord paralysis.

Arytenoid Cartilage↗
PubMed1990

Controlled laryngoplasty for vocal cord medialization: a technique using tissue expansion.

Laryngeal framework surgery has become an increasingly popular alternative to Teflon injection for vocal rehabilitation. Vocal cord medialization requires custom tailoring of the implant's size and shape to optimize individual vocal quality, whether it be via the interposition of Silastic implants between the thyroid ala and the inner thyroid perichondrium or through a cartilage window. A new technique is described for vocal cord medialization using an implanted miniature tissue expander. Intraoperative and postoperative vocal cord medialization was achieved in a canine model by controlled percutaneous filling of a remote injection valve. The implants were well tolerated and allowed continued control of vocal cord position for several weeks. Using this technique, vocal quality can be fine-tuned with a degree of precision not previously possible. The advantages, limitations, and technical aspects of expansion laryngoplasty are discussed.

Animals↗