Cases reported "Sleep Apnea, Obstructive"

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1/63. The use of ENT-prescribed home sleep studies for patients with suspected obstructive sleep apnea.

    sleep disordered breathing, including obstructive sleep apnea, is a common and morbid health problem. Traditionally, sleep disordered breathing is diagnosed by complex sleep studies. However, newer, easy-to-use, highly sensitive, and highly specific home sleep study equipment is now available. The present study was undertaken to determine whether an otolaryngologist could easily and effectively dispense home sleep equipment from the office. We used a portable AutoSet home sleep machine. Our experience with the first 100 consecutively presenting patients was recorded and analyzed under institutional review board approval. Ninety-nine of the 100 tests were completed successfully on the first attempt; the one failure was successful on the second attempt. Our results were consistent with those reported from in-house polysomnogram sleep studies; 71% of our patients had an apnea-hypopnea index (AHI) of 15 or higher, and 93% had an AHI at least 5. We conclude that an otolaryngologist, using state-of-the-art home sleep testing equipment, can accurately and cost-effectively prescribe home sleep studies.
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2/63. Transtracheal air in the treatment of obstructive sleep apnoea hypopnoea syndrome.

    A 49 year old woman with typical obstructive sleep apnoea hypopnoea syndrome underwent an unsuccessful trial with continuous positive airway pressure (CPAP) followed by uvulopalatopharyngoplasty with septorhinoplasty, treatment with protriptyline, and a second CPAP trial that was abandoned. Transtracheal air was then given and normalised sleep and breathing at a flow rate of 5 l/min. A sustained clinical improvement was observed at follow up visits. Transtracheal air could represent a simple and effective alternative to tracheotomy in patients with obstructive sleep apnoea hypopnoea syndrome in whom conventional treatments fail.
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3/63. Bivalved palatal transposition flaps for the correction of acquired nasopharyngeal stenosis.

    Nasopharyngeal stenosis is almost universally an iatrogenic problem resulting from surgical trauma after adenotonsillectomy or uvulopalatopharyngoplasty (UPPP). In addition, laser-assisted uvulopalatopharyngoplasty for the treatment of snoring may lead to the development of cicatricial scarring and stenosis at the level of the velopharynx. The most common mechanisms implicated in the development of acquired nasopharyngeal stenosis are the overzealous removal of inferolateral adenoid tissue and excessive excision of the palatopharyngeal arches. Symptoms generally relate to a disturbance in respiration, olfaction, voice quality, and deglutition, and are often poorly tolerated. Surgical options for the correction of this challenging problem include steroid injections, scar lysis, skin grafts, Z-plasty repair, and the use of various local mucosal flaps. We report the successful use of bivalved palatal transposition flaps performed through the transoral route for the correction of severe acquired nasopharyngeal stenosis following UPPP in two patients. Both patients developed delayed nasopharyngeal stenosis following their initial surgery and subsequently failed several attempts at surgical correction of the stenosis, including laser lysis of the scarred soft palate. Using this technique of repair, both patients achieved satisfactory resolution of their symptoms, including comfortable nasal breathing and normal speech. We have found that this is a simple and effective technique for the correction of severe nasopharyngeal stenosis.
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4/63. Upper airway resistance syndrome--report of three cases.

    INTRODUCTION: patients with the upper airway resistance syndrome are frequently overlooked, and even if clinically suspected, often escape identification by polysomnographic monitoring. CLINICAL PICTURE: Three cases (2 women and a man) with excessive daytime sleepiness and fatigue were confirmed to have the upper airway resistance syndrome after undergoing polysomnography with oesophageal pressure monitoring. TREATMENT: Nasal CPAP during sleep was prescribed for 2 cases but 1 case refused all available treatment options. OUTCOME: After one month of CPAP therapy, the 2 cases reported improved symptoms and Epworth sleepiness scores. Lower daytime blood pressures were also recorded. CONCLUSIONS: Oesophageal pressure monitoring and EEG arousal analysis can greatly enhance the diagnostic accuracy in the upper airway resistance syndrome. Accurate diagnosis and effective treatment of this condition is important because of its sequelae of hypersomnolence and association with other disorders like systemic hypertension.
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keywords = upper
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5/63. Elongated uvula with a pleomorphic adenoma: a rare cause of obstructive sleep apnea syndrome.

    The authors encountered a case of elongated uvula with a pleomorphic adenoma originating from the minor salivary gland, causing frequent upper airway obstruction. A 75-year-old woman had obstructive sleep apnea syndrome brought about by the swallowing impact of the pendulous tumor into the hypopharyngeal and supralaryngeal spaces. Although there are some case reports about tumors originating from the uvula, this is the first reported to cause obstructive sleep apnea syndrome.
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6/63. Chiari malformation and sleep-disordered breathing: a review of diagnostic and management issues.

    Chiari Malformation (CM) encompasses several patterns of congenital or acquired cerebellar herniation through the foramen magnum. This may result in brain-stem compression that impacts control of breathing and is associated with obstructive and central apneas. A high clinical suspicion for sleep-disordered breathing is needed in the care of such patients after as well as before corrective surgery. To introduce a review of CM with a focus on the relevance to sleep medicine, we present a case of a 13-year-old female who was diagnosed with CM Type 1 in the course of an evaluation of symptomatic central sleep apnea. After initial improvement following surgery there was recurrence of brain-stem compression. The only clinical expression of which was polysomnographically evident recurrence of sleep apnea.
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7/63. polysomnography in hypnic headache syndrome.

    Hyponic headache syndrome is an unusual chronic headache that usually begins after age 60 years and occurs exclusively during sleep. Despite the relationship between the headache and sleep, no formal sleep evaluation with overnight polysomnography has been reported for this syndrome. Three patients with long-standing hypnic headache underwent overnight polysomnography. The results were quite variable, ranging from normal to marked sleep insufficiency. A hypnic headache was captured in one patient arising out of rapid eye movement sleep at a time of severe oxygen desaturation. Formal sleep evaluation should be considered in patients with hypnic headache because there may be pathophysiologic and therapeutic implications.
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8/63. anesthesia of CO2 laser surgery in a patient with Hunter syndrome: case report.

    Hunter syndrome (mucopolysaccharidosis, type II; MPS II) is one of a heterogeneous group of recessively inherited mucopolysaccharide storage diseases. patients with mucopolysaccharidosis show progressive involvement and derangement of many organs, especially upper airway anomalies, which are the major cause of perioperative death. In recent years, a CO2 laser is often applied to upper airway lesions. A 16-year-old patient suffering from Hunter syndrome was scheduled for CO2 laser surgery because of sleep apnea and respiratory stridor. Otolaryngological examination revealed bulging of the bilateral false cord with stenosis of the glottis. We adopted sevoflurane mask induction and high-frequency jet ventilation to overcome the perioperative airway problems. The anesthetic course was uneventful, and the patient was discharged 2 days after the operation.
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keywords = upper
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9/63. Obstructive sleep apnea syndrome after reconstructive laryngectomy for glottic carcinoma.

    Obstructive sleep apnea syndrome (OSAS) is characterized by repetitive episodes of partial or complete obstruction of the upper airway during sleep. The obstruction predominantly occurs along the pharyngeal airway but other sites of obstruction have occasionally been described. We report our experience with three patients suffering from OSAS suspected to be of laryngeal origin. OSAS developed after reconstructive laryngectomy for glottic carcinoma and upper airway obstruction seemed to be located in the reconstructed laryngeal area. The three patients were given nCPAP (nasal-continuous positive airway pressure) treatment associated with peroral endoscopic CO2 laser vaporization of the laryngeal edema. After CO2 laser treatment, one patient was able to stop nCPAP treatment. The other two have remained on nCPAP therapy. OSAS may arise in the post-operative period of reconstructive laryngectomy for glottic carcinoma and can be managed by CO2 laser vaporization (laryngeal edema in the reconstructed area) in association with nCPAP treatment.
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keywords = upper
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10/63. Severe obstructive sleep apnoea secondary to pressure garments used in the treatment of hypertrophic burn scars.

    Obstructive sleep apnoea (OSA) secondary to pressure garments used to treat hypertrophic scarring of burns has never been reported. The present study describes two children who presented with OSA following introduction of such garments for management of hypertrophic scars following severe facial and upper body burns. Complex sleep polysomnography confirmed severe OSA with desaturations sufficient to result in physiological dysfunction that significantly improved on removal of the garments. As there is little evidence to suggest that the use of such garments alters the end result, the potentially serious side effect of obstructive sleep apnoea should be considered before their use is advised.
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keywords = upper
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