Abstract:
OBJECTIVES:To evaluate the long-term (24 months) clinical performance (vocal fold function) and safety of hylan B gel as compared with bovine cross-linked collagen in the treatment of patients with glottal insufficiency. MATERIAL AND METHODS:In a prospective trial, 70 patients with glottal insufficiency due to unilateral vocal fold paresis (n =35) or atrophy (n =35) were randomized to received either hylan B gel (n =47) or collagen (n =23) injections into 1 vocal fold. Forty-two of the patients were examined 24 months after treatment. Evaluations were made based on patients' subjective ratings, digitized videostroboscopic measurements, maximum phonation time and phonation quotient. RESULTS:The patients' self-ratings were significantly improved in both the hylan B gel and collagen groups. Videostroboscopic measurements of glottal closure were significantly improved for both groups. The hylan B gel group showed a trend towards less resorption at the injected vocal fold edge in comparison with the collagen group (p =0.05). No serious adverse events were observed. Twenty-eight patients dropped out of the study after 12 months: 18 had been re-injected or operated on with medialization laryngoplasty due to insufficient voice and 10 had either died of causes unrelated to the study or refused to attend follow-up. CONCLUSIONS:No long-term side-effects were found for either the hylan B gel or collagen groups after injection treatment. Both treatments resulted in significantly improved voice as rated by the patients and significantly improved glottal closure. Some resorption was noted for both substances, and approximately 25%, of the patients chose re-treatment 2 years after the initial treatment.
journal_name
Acta Otolaryngoljournal_title
Acta oto-laryngologicaauthors
Hertegård S,Hallén L,Laurent C,Lindström E,Olofsson K,Testad P,Dahlqvist Adoi
10.1080/00016480410017701subject
Has Abstractpub_date
2004-12-01 00:00:00pages
1208-14issue
10eissn
0001-6489issn
1651-2251journal_volume
124pub_type
临床试验,杂志文章,随机对照试验abstract:CONCLUSION:In the present study, about one-third of patients with Meniere's disease developed benign paroxysmal positional vertigo (BPPV)-like attacks. Additionally, more than one-third of all vertigo attacks were BPPV-like attacks. Thus, vertigo attacks in patients with Meniere's disease must be carefully treated beca...
journal_title:Acta oto-laryngologica
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doi:10.3109/00016489.2014.936624
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abstract::Fibroblasts in two portions of the vocal fold mucosa, the macula flava (MF) and Reinke's space (RS), were investigated by means of transmission electron microscopy. Five adult and five newborn larynges from autopsy cases were subjected to study. Both in adults and newborns, fibroblasts in the MF tended to be stellate ...
journal_title:Acta oto-laryngologica
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abstract:OBJECTIVES:Chronic rhinosinusitis with nasal polyps (CRSwNP) is a heterogeneous disease. Eosinophilic CRSwNP (ENP) exhibits a strong tendency for recurrence after surgery. Given that the treatment strategy of ENP differs from that of non-eosinophilic CRSwNP (nENP), clinical diagnostic criteria that distinguish ENP from...
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doi:10.1080/00016489.2017.1388540
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2012-04-01 00:00:00
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abstract::Spiral ganglia of guinea pig and mouse were investigated by scanning electron microscopy (SEM). The cochlea was freeze-fractured and then macerated with 0.1% OsO4 solution for 70-90 h (A-O-D-O method (1]. This allowed three-dimensional observation of the general view of the spiral ganglion and the intracellular struct...
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更新日期:2008-03-01 00:00:00