Displaying publications 1 - 20 of 186 in total

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  1. Abdul Jalil S, Md Daud MK
    Malays Fam Physician, 2016;11(2-3):30-32.
    PMID: 28461856
    INTRODUCTION: Congenital cholesteatoma (CC) of the middle ear is a rare entity that may be undiagnosed for years. The lesion can grow undetected until it produces symptoms such as reduced hearing or otalgia.

    METHOD: Case report.

    RESULTS: We report two cases of young ladies with CC who presented with different otological symptoms. The first case complained of recurrent unilateral ear pain while the second case presented with unilateral reduced hearing. Examination of both cases revealed a whitish mass seen behind an intact tympanic membrane. Both cases underwent surgery and histopathological examinations; findings were consistent with cholesteatoma.

    CONCLUSION: There are varieties of clinical presentations of CC and the diagnosis is based on clinical findings.
    Matched MeSH terms: Hearing Loss
  2. Abdul Majid AH, Zakaria MN, Abdullah NAC, Hamzah S, Mukari SZS
    Int J Pediatr Otorhinolaryngol, 2017 Oct;101:107-111.
    PMID: 28964278 DOI: 10.1016/j.ijporl.2017.07.036
    OBJECTIVE: This paper aims to investigate the effects of perceived attitude and anxiety on awareness of UNHS among caregivers in Malaysia.

    METHODS: Using cross sectional research approach, data were collected and some 46 out of 87 questionnaires distributed to caregivers attending UNHS programs at selected public hospitals were usable for analysis (response rate of 52.8%). Partial Least Squares Method (PLS) algorithm and bootstrapping technique were employed to test the hypotheses of the study.

    RESULTS: R square value is 0.205, and it implies that exogenous latent variables explained 21% of the variance of the endogenous latent variable. This value indicates moderate and acceptable level of R-squared values. Findings from PLS structural model evaluation revealed that anxiety has no significant influence (β = -0.091, t = 0.753, p > 0.10) on caregivers' awareness; but perceived attitude has significant effect (β = -0.444, t = 3.434, p loss. Moreover, socio-economic situation of the caregivers may have contributed to their failure to honor UNHS screening appointments as some of them may need to work to earn a living while some may perceive it a waste of time honoring such appointments. Non-significant relationship between anxiety and caregivers' awareness may be due to religious beliefs of caregivers. Limitations and suggestions were discussed.

    Matched MeSH terms: Hearing Loss/diagnosis*
  3. Abdul Rahim KA, Jewaratnam J, Che Hassan CR, Hamid MD
    PMID: 33142732 DOI: 10.3390/ijerph17218032
    Occupational noise-induced hearing loss (ONIHL) is the most reported occupational disease in Malaysia. ONIHL is aggravated by the presence of early hearing loss amongst the youth prior to entering a real working environment. At technical and vocational education training (TVET) institutions, students may develop early ONIHL because training workshops are designed imitating the industrial working environment to produce skilled workers. The exceeding noise level at workshops and recent risk of non-occupational noise can cause early ONIHL among these students. Therefore, ONIHL must be addressed at the early stage of producing skilled workers. Octa hearing conservation index (OHCI) system is developed as a management and monitoring tool for hearing conservation program (HCP) in TVET institutions. Six existing and two new HCP components were used to build the index system. A pilot test on the effectiveness of the OHCI system was conducted in a selected TVET institution for six months. The post-HCP shows a 52.6% improvement compared to the pre-HCP. The implementation of HCP has shown improved awareness on the hazards of loud noise exposure and active use of hearing protection devices among participants. The OHCI system has a great potential as a tool to improve HCP implementation in TVET institutions, and eventually, industry.
    Matched MeSH terms: Hearing Loss, Noise-Induced
  4. Abdul Rauf A. Bakar, Jayasree Santhosh, Mohammed G. Al-zidi, Ibrahim Amer Ibrahim, Ng SC, Hua NT
    Sains Malaysiana, 2017;46:2477-2488.
    The deficiency in the human auditory system of individuals suffering from sensorineural hearing loss (SNHL) is known to be associated with the difficulty in detecting of various speech phonological features that are frequently related to speech perception. This study investigated the effects of speech articulation features on the amplitude and latency of cortical auditory evoked potential (CAEP) components. The speech articulation features included the placing contrast and voicing contrast. 12 Malay subjects with normal hearing and 12 Malay subjects with SNHL were recruited for the study. The CAEPs response recorded at higher amplitude with longer latency when stimulated by voicing contrast cues compared to that of the placing contrast. Subjects with SNHL elicited greater amplitude with prolonged latencies in the majority of the CAEP components in both speech stimuli. The existence of different frequency spectral and time-varying acoustic cues of the speech stimuli was reflected by the CAEPs response strength and timing. We anticipate that the CAEPs responses could equip audiologist and clinicians with useful knowledge, concerning the potential deprivation experience by hearing impaired individuals, in auditory passive perception. This would help to determine what type of speech stimuli that might be useful in measuring speech perception abilities, especially in Malay Malaysian ethic group, for choosing a better rehabilitation program, since no such study conducted for evaluating speech perception among Malaysian clinical population.
    Matched MeSH terms: Hearing Loss, Sensorineural
  5. Abdullah A, Long CW, Saim L, Mukari SZM
    Med J Malaysia, 2005 Mar;60(1):21-7.
    PMID: 16250276 MyJurnal
    Early identification and management of hearing impairment is very valuable. The goal standard measurement of hearing loss is by brainstem evoked response (BSER). This prospective study was conducted in Hospital University Kebangsaan Malaysia (HUKM) to determine the sensitivity and specificity of transient evoked otoacoustic emission (TEOAE) as a screening tool for hearing impairment from February 1999 to February 2000. One hundred and thirty-three newborns from postnatal ward and seventy-eight newborns from neonatal intensive care unit (NICU) were screened for possible hearing loss using portable TEOAE. This study showed that TEOAE is a very sensitive but moderately specific screening tool.
    Matched MeSH terms: Hearing Loss/diagnosis*
  6. Abdullah A, Mahmud MR, Maimunah A, Zulfiqar MA, Saim L, Mazlan R
    Ann Acad Med Singap, 2003 Jul;32(4):442-5.
    PMID: 12968546
    INTRODUCTION: Accurate preoperative imaging of the temporal bone in patients receiving cochlear implants is important. High resolution computed tomography (HRCT) and magnetic resonance (MR) imaging are the 2 preoperative imaging modalities that provide critical information on abnormalities of the otic capsule, pneumatisation of the mastoid, middle ear abnormalities, cochlear ducts patency and presence of cochlear nerve.

    MATERIALS AND METHODS: The HRCT and MR imaging in 46 cochlear implant patients in our department were reviewed.

    RESULTS: Majority of our patients [34 patients (73.9%)] showed normal HRCT of the temporal bone; 5 (10.9%) patients had labyrinthitis ossificans, 2 (4.3%) had Mondini's abnormality and 2 (4.3%) had middle ear effusion. One patient each had high jugular bulb, hypoplasia of the internal auditory canal and single cochlear cavity, respectively.

    CONCLUSION: The above findings contribute significantly to our surgical decisions regarding candidacy for surgery, side selection and surgical technique in cochlear implantation.

    Matched MeSH terms: Hearing Loss, Sensorineural/diagnosis; Hearing Loss, Sensorineural/surgery
  7. Abdullah A, Hazim MY, Almyzan A, Jamilah AG, Roslin S, Ann MT, et al.
    Singapore Med J, 2006 Jan;47(1):60-4.
    PMID: 16397723
    This study aims to determine the prevalence of hearing loss among newborns delivered at Hospital Universiti Kebangsaan Malaysia and to evaluate the usefulness of our hearing screening protocol.
    Matched MeSH terms: Hearing Loss/congenital; Hearing Loss/diagnosis*; Hearing Loss/epidemiology
  8. Abdullah B, Hassan S, Sidek D
    Malays J Med Sci, 2007 Jul;14(2):22-7.
    PMID: 22993488 MyJurnal
    To determine the characteristic presenting symptoms, otoscopic findings, audiological profiles and the intraoperative findings of children with chronic otitis media with effusion who required surgical intervention. A prospective cross sectional study was undertaken in the otorhinolaryngology clinic of USM Hospital (HUSM) involving 25 cases (50 ears) of children with chronic otitis media with effusion requiring surgical intervention from June 1999 to September 2001. Their ages ranged from 3 to 12 years old. The gender distribution included males at 72 % and females at 28 %. The presenting symptoms noted were hearing impairment (52%), otalgia (18%), ear block (16%) and tinnitus (14%). The otoscopic findings were fluid in the middle ear (40%), dullness (32%) and retraction of the tympanic membrane (28%). On audiometry, 24 ears had moderate deafness (48%), 16 ears had mild deafness (32%) while 4 ears had severe deafness (8%). With tympanometry, 42 ears out of the total 50 had a flat type B curve (84%) while 6 ears had type As curve (12%). During myringotomy, middle ear secretion was seen in 38 ears (76%) out of the 50 ears; 22 ears had mucoid secretion while 16 ears had serous secretion. Clinically, the commonest presenting symptom was hearing impairment (52%) while the most common otoscopic finding was fluid in the middle ear (40%). Audiologically, most patients had moderate conductive hearing loss (48%) and a type B curve (84%) on tympanometry. On myringotomy middle ear fluid was found in 76 % of the ears.
    Study site: otorhinolaryngology clinic, Hospital Universiti Sains Malaysia (HUSM), Kelantan, Malaysia
    Matched MeSH terms: Hearing Loss, Conductive; Hearing Loss
  9. Abdullah S
    Ann Acad Med Singap, 1988 Jul;17(3):388-91.
    PMID: 3218930
    The results of speech, language and hearing assessment of repaired cleft palate children and adults over a 4-year period at the Speech/Language therapy unit, Department of ENT, Faculty of Medicine, UKM are reported. The subjects were 33 incomplete cleft lip palate (ICLP), 48 unilateral complete cleft lip and palate (UCLP) and 26 bilateral complete cleft lip and palate (BCLP). Results obtained for the following assessments are reported and discussed: (i) Hearing assessment, (ii) intelligibility rate, (iii) severity of hyper-nasality and (iv) types of articulation errors and school/behaviour problems and nasal grimace. Due to subject variability in ethnicity, language and dialects and the lack of normal data, it is difficult to compare or repeat previously reported results. Assessment of intelligibility, hypernasality and articulation were conducted using the Malay language. Results obtained were compared among the three groups of subjects. The significant findings were that hypernasality, intelligibility and articulation errors were more severe in the ICLP group than in the UCLP or BCLP groups of patients. This is contrary to expectations and cannot be explained in terms of the type and/or the degree of clefting. Hence, special attention should be paid to the less overt type of cleft patients in so far as their speech assessment and rehabilitation are concerned.
    Matched MeSH terms: Hearing Loss, Conductive/etiology*; Hearing Loss/etiology*
  10. Ahmad A, Mohamad I, Mansor S, Daud MK, Sidek D
    Ann Saudi Med, 2011 Jan-Feb;31(1):24-8.
    PMID: 21245595 DOI: 10.4103/0256-4947.75774
    Universal newborn hearing screening (UNHS) was started in the Hospital Universiti Sains Malaysia (HUSM) in January 2003. To comply with international standards, we determined the outcome of the newborn hearing screening program for the first 5 years of its implementation, from January 2003 to December 2007.
    Matched MeSH terms: Hearing Loss/diagnosis*; Hearing Loss/epidemiology*
  11. Ahmad RL, Lokman S
    Med J Malaysia, 2005 Aug;60(3):379-82.
    PMID: 16379199
    Many children have benefited from cochlear implant device including those with congenital malformation of the inner ear. The results reported in children with malformed cochlea are very encouraging. We describe 2 cases of Mondini's malformation with severe sensorineural hearing loss. Cochlear implantation was performed and both of them underwent post-implantation speech rehabilitation. Post-implantation, both of them were noted to respond to external sound. But the second case developed facial twitching a few months after the device was switched on. It is important to evaluate the severity of the inner ear deformity and the other associated anomalies in pre-implantation radiological assessment in order to identify the problem that may complicate the surgery and subsequent patient management.
    Matched MeSH terms: Hearing Loss, Sensorineural/radiography; Hearing Loss, Sensorineural/surgery*
  12. Ahmad Syazrin Muhamad
    MyJurnal
    Sound is one of the source of energy generated by vibration and is carried through the air in a form of pressure waves (Frederick, 1975). This pressure waves consist of pulsation or vibration of molecules of an elastic medium such as gas, liquid and even solid (Gerber, 1974). Due to its nature, sound can be irritating when it is excessive. The excessive amount of sound is called noise. Exposure to noise is common to the workers working at the industry. This can lead to hearing loss. Hearing loss is one of the most common health problems in the industrialized world. Working activities have been related to noise exposure due to increase use of machine that generates sounds. Many workers throughout the world experience hazardous noise exposure which is ≥ 85 decibels (dB) (Seter, 1998). Based on the previous study in the European region, most of the employers had difficulties to compensate workers diagnosed with hearing loss or hearing impairment cause by the working nature. (Rachiotis et al., 2006). According to European Survey on Working Conditions, about 7% of the workers considered that their work affects their health in the form of hearing disorders. Occupational risk factors for hearing loss include occupational noise, whole body vibration, work-related diseases and exposure to chemical. In this report, we specified in the noise exposure level of the workers.
    Matched MeSH terms: Hearing Loss
  13. Ailin Razali, M. S. Othman, M. S. Rahman, N. F.I. Misaridin
    MyJurnal
    Recreational noise exposure has become a major threat to the hearing system, and this
    includes exposure to loud noise during group exercises such as Zumba Fitness, where loud music plays an
    important role. This study aimed to assess the noise exposure and hearing threshold profile among Zumba
    Fitness regulars in Kuantan, Malaysia. MATERIALS AND METHODS: Noise exposure and hearing profile
    threshold were measured during Zumba Fitness sessions at a fitness studio in Kuantan, Malaysia from 24th
    June 2014 to 12th August 2014. Noise exposure was measured using a noise dosimeter for one hour of Zumba
    Fitness session with a total of nine sessions run by three different instructors while sound level pressure was
    taken using a sound level meter during ambient, peak session and during cooling down. Thirty participants
    answered questionnaires and underwent pure tone diagnostic audiometry test at a local clinic for hearing
    threshold documentation. RESULTS: Some areas of the hall posed higher risks of causing noise-induced
    hearing loss especially near the amplifiers. There were periods when the hearing level exceeded 115 dBA.
    Early abnormal pattern could be observed in the hearing profiles of some of the participants to suggest
    preliminary hearing problems. CONCLUSION: Zumba Fitness regulars have a risk of developing noise-induced
    hearing loss and preventive steps should be properly addressed as NIHL is permanent and irreversible.
    Matched MeSH terms: Hearing Loss
  14. Aishah ZS, Khairi MD, Normastura AR, Zafarina Z, Zilfalil BA
    J Laryngol Otol, 2008 Dec;122(12):1284-8.
    PMID: 18353197 DOI: 10.1017/S0022215108002041
    To determine the frequency and type of gap junction protein beta-2 gene mutations in Malay patients with autosomal recessive, non-syndromic hearing loss.
    Matched MeSH terms: Hearing Loss/genetics*
  15. Ali AH, Salahuddin Z, Salim R
    Malays Fam Physician, 2018;13(3):29-30.
    PMID: 30800231 MyJurnal
    Sudden sensorineural hearing loss (SSNHL) is an otology emergency and carries significant morbidity if the diagnosis is missed. It can present to any specialty but in our local setting the patient usually presents to primary care as it is easily accessible. We present a case of SSNHL that was initially presented to a primary care centre and the patient was reassured without any investigation being carried out. SSNHL has many causes thus making diagnosis difficult. However, with knowledge of its possible, a diagnosis can be made and appropriate management can be advocated to the patient. Hence, we discuss the three main causes of SSNHL, while emphasizing the immune system-mediated mechanism as the main cause in this case.
    Matched MeSH terms: Hearing Loss, Sudden; Hearing Loss, Sensorineural
  16. Ami M, Abdullah A, Awang MA, Liyab B, Saim L
    Laryngoscope, 2008 Apr;118(4):712-7.
    PMID: 18176342 DOI: 10.1097/MLG.0b013e318161e521
    To investigate cochlear outer hair cell function based on distortion product otoacoustic emission (DPOAE) in patients with tinnitus.
    Matched MeSH terms: Hearing Loss/physiopathology
  17. Amin JM
    Med J Malaysia, 1993 Dec;48(4):407-9.
    PMID: 7514259
    Thirty patients with idiopathic sudden sensorineural hearing loss who presented to the University Hospital between January 1985 to January 1992 are presented. The combined regime of bed rest, intravenous dextran 40, vasodilator and steroid therapy produced good improvement in 63.4% of patients. Unfavourable prognostic factors were found to be, hearing loss of more than two weeks duration, vertigo and bilateral hearing loss.
    Matched MeSH terms: Hearing Loss, Sensorineural/therapy*
  18. Amri NA, Quar TK, Chong FY
    Am J Audiol, 2019 Dec 16;28(4):877-894.
    PMID: 31600460 DOI: 10.1044/2019_AJA-18-0156
    Purpose This study examined the current pediatric amplification practice with an emphasis on hearing aid verification using probe microphone measurement (PMM), among audiologists in Klang Valley, Malaysia. Frequency of practice, access to PMM system, practiced protocols, barriers, and perception toward the benefits of PMM were identified through a survey. Method A questionnaire was distributed to and filled in by the audiologists who provided pediatric amplification service in Klang Valley, Malaysia. One hundred eight (N = 108) audiologists, composed of 90.3% women and 9.7% men (age range: 23-48 years), participated in the survey. Results PMM was not a clinical routine practiced by a majority of the audiologists, despite its recognition as the best clinical practice that should be incorporated into protocols for fitting hearing aids in children. Variations in practice existed warranting further steps to improve the current practice for children with hearing impairment. The lack of access to PMM equipment was 1 major barrier for the audiologists to practice real-ear verification. Practitioners' characteristics such as time constraints, low confidence, and knowledge levels were also identified as barriers that impede the uptake of the evidence-based practice. Conclusions The implementation of PMM in clinical practice remains a challenge to the audiology profession. A knowledge-transfer approach that takes into consideration the barriers and involves effective collaboration or engagement between the knowledge providers and potential stakeholders is required to promote the clinical application of evidence-based best practice.
    Matched MeSH terms: Hearing Loss/therapy
  19. Anita, AR., Noor Hassim, I.
    MyJurnal
    Fogging activity has become one of the important methods in tackling dengue outbreaks nowadays. Despite this, it is an occupation that has known hazards namely noise and pesticides which can affect the body organs. Based on this knowledge, a cross sectional study was conducted to determine the association between hearing impairment and serum cholinesterase level among foggers from five randomly selected Health District Offices in Selangor. A total of 200 workers comprising of 100 workers exposed to fogging activity and another 100 workers not exposed were randomly selected for this study. Data was obtained through self administered questionnaire, audiometric testing and serum cholinesterase level measurement. The overall prevalence of hearing impairment was 16% with foggers having significant higher prevalence (24%) compared to the non foggers (8%) (χ2=9.52, p=0.002). Measurement of serum cholinesterase showed that exposed workers had lower level compared to the non exposed group. Similarly, those who have hearing impairment had also lower serum cholinesterase level although it was not statistically different. Among all studied factors, age and duration of exposure to fogging activities were statistically different with hearing impairment (p
    Matched MeSH terms: Hearing Loss
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