Læknablaðið : fylgirit - 01.06.2005, Blaðsíða 32

Læknablaðið : fylgirit - 01.06.2005, Blaðsíða 32
ABSTRACTS / XXIX CONGRESS OF THE NORDIC ASSOCIATION OF OTOLARYNGOLOGY the ME to the atmosphere. To elucidate this question further we have measured healthy subjects with inserted ventilation tubes. The results showed that 10/18 subjects had a poor ME pressure regulation like patients with chronic perforation, while the other 8 subjects had a sufficient regulation capacity like the healthy ears without ventilation tubes. The results support the theory that opening the ME to the atmosphere deteriorate the ME pressure regulation capacity. Abstract no.: 076 Otitis media in South Vietnam, prevalence and incidence in a rural community Balle VH, Gentofte University Hospital, Dang SH Pediatric Hospital # 1, Ho Chi Minh City, Vietnam Objectives: Hearing impairment is a serious condition also in developing countries.The present study was intended to otitis media and during this improve patient treatment. procure epi- demiological data of otitis media in South Vietnam and to train health personnel in diagnosing and treating Methods: From existing vaccination lists every sixth person less than sixteen years of age in Can Giuoc area got an invitation let- ter to participate in the investigation.The candidates were exam- ined by a team of ENT doctors using head lamp with lup glasses. Pathology of the tympanic membrane was registered on a flow sheet and entered inte SPSS software system.Chi square and Phi coeffecient were used. Results: 2472 children age one through fifteen years of age were examined in spring and fall 2000.The cumulated point prevalence for acute otitis media was found to be 1,4% with a maximum of 6,6% at age 2.1n the age group less than six years it was 2,8%. Chronic otitis media was found to have a cumulated prevalence of 1,2%. Conclusion: It is concluded,that the Vietnamese Health System is able to detect and diagnose otitis media.Prevalence of chronic otitis media is lower than in a similar study completed 6 years earlier,probably due to improved standard of living and better health care.The study demonstrates,that also developing coun- tries can provide adequate earcare if given proper training. Abstract no.: 077 Hearing sequele of acute mastoiditis Valgerður Rós Sigurðardóttir1, Friðrik Guðbrandsson1,2, Ingibjörg Hinriks- dóttir1-3, Ásgeir Haraldsson1'4, Þórólfur Guðnason1-4, Hannes Petersen1-2 'Læknadeild Háskóla íslands, 2Háls-, nef- og eyrnadeild Landspítala, 3Heyrnar- og talmeinastöð Islands, 4Barnaspítali Hringsins Introduction: Acute mastoiditis is an acute inflammatory disease of the mastoid process and a rare but serious complication of otitis media. Its incidence among Icelandic children increased significantly in the years 1984-2002, concurrent with a change in prescriptive patterns for AOM. The purpose of this study was to evaluate the clinical course of patients hospitalised with mastoiditis during the period and to investigate possible auditory consequences. Subjecfs and methods: The clinical records of all patients admit- ted with a diagnosis of mastoiditis between 1984 and 2003 were reviewed. 54 patients fulfilled the following inclusion criteria: signs of AOM on otoscopy and unilateral local inflammatory findings over the mastoid process (pain, redness, and/or protrusion of the auricle) or signs of acute otitis media on otoscopy combined with roentgenographic findings of unilateral mastoiditis. The pure- tone thresholds of 31 patients at 0,25-8 kHz were determined for both ears, the contralateral normal ear acting as control. Results: The 54 selected patients ranged in age from 3 months to 78 years, median 5,6 years. Eighteen children were younger than 2 years old. The review of the clinical records showed that 20 patients had no prior history of OM. Twenty-two patients had a history of recurrent AOM. Twelve patients had been diag- nosed with AOM in the past, but not recurrently. Twenty-five patients had received antibiotic treatment for AOM in the last 10 days preceding diagnosis. Eight children had been diagnosed with AOM without receiving treatment in the 10 days preceding admission, 4 of them were younger than 2 years old. Thirty-nine patients presented with local inflammatory findings over the mastoid process evident on physical examination, while 15 were diagnosed with CT. The most frequently isolated pathogens were s. pneumoniae (19%), p. aeruginosa (19%), s. aureus (19%) and s. pyogenes (11%). Antibiotic treatment with or without myr- ingotomy provided sufficient therapy in 68% of cases. Eighteen percent of patients suffered an extra- or intracranial complication during admission. Pure-tone audiometry demonstrated elevated thresholds (mean 7,58±5,84 dB HL (P=0,0063)) at 8 kHz on the ears with a history of mastoiditis compared to the contralateral normal ears. The pure-tone average (0,25-4kHz) was elevated by a mean of 2,94±3,45 dB HL (P=0,0458) on diseased ears com- pared to normal ears. When patients with histories of recurrent AOM were excluded, thresholds were similarly elevated, but the difference between ears was not statistically significant (mean PTA difference 2,73±5,47 dB HL, P=0,16, mean difference at 8 kHz; 5,94±8,77 dB HL, P=0,085). Conclusions: Many cases of mastoiditis develop as a complication of a first episode of AOM. Antibiotic therapy for AOM is not always sufficient to prevent mastoiditis. However, we conclude that children younger than 2 years old should be treated for AOM as they are more prone to developing mastoiditis than older chil- dren with AOM. The audiometric findings provide some evidence that an episode of acute mastoiditis could lead to a permanent sensorineural hearing loss. Abstract no.: 078 Intracranial complications of sinusitis Stenkvist Asplund M', Bodestedt Á2, Áström G2, Salci K3, Friberg U1 Departments of 'Otorhinolaryngology, Head & Neck Surgery, 2Radiology, 3Neurosurgery, University Hospital, Uppsala, Sweden Six young males, aged 14-31 years, were admitted to Uppsala University Hospital, Sweden, between November 2001 and June 2004 with sinogenic intracranial complications. Symptoms were fever (5 patients), headache, predominantly frontal (6 patients), vomiting (5 patients), scalp swelling (4 patients), and disturbances in consciousness (2 patients). Focal neurology included hemipare- sis (2 patients), aphasia (1 patient) and seizures (1 patient). CT/ 32 Læknablaðið/Fylgirit 51 2005/91

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