Displaying publications 41 - 46 of 46 in total

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  1. Gnanapragasam A
    Med J Malaysia, 1975 Jun;29(4):280-92.
    PMID: 53779
    Matched MeSH terms: Deafness/chemically induced*
  2. Jean YQ, Mazlan R, Ahmad M, Maamor N
    Am J Audiol, 2018 Sep 12;27(3):260-271.
    PMID: 30007031 DOI: 10.1044/2018_AJA-17-0093
    Purpose: The aim of this study was to develop a substantive theory that explains parenting stress among mothers of deaf or hard-of-hearing (D/HH) children.

    Method: Fifteen hearing mothers of children with severe-to-profound sensorineural hearing loss were interviewed. Interviews were transcribed verbatim, and a grounded theory approach was used to inductively analyze parental stress in mothers of D/HH children. Theory generation was achieved through triangulation of data sources and systematic organization of data into codes. The coding process identified salient themes that were constantly cross-checked and compared across data to further develop categories, properties, and tentative hypotheses.

    Results: In general, two main themes emerged from the interviews: the contextual stressors and stress-reducing resources. The contextual stressors were labeled as distress over audiology-related needs, pressure to acquire new knowledge and skills, apprehension about the child's future, and demoralizing negative social attitudes. The stress-reducing resources that moderated parenting stress were identified to be the child's progress, mother's characteristics, professional support, and social support. The interaction between the identified stressors and adjustment process uncovered a central theme termed maternal coherence.

    Conclusion: The substantive theory suggests that mothers of D/HH children can effectively manage parenting stress and increase well-being by capitalizing on relevant stress-reducing resources to achieve maternal coherence.

    Matched MeSH terms: Deafness/psychology
  3. Goh BS, Fadzilah N, Abdullah A, Othman BF, Umat C
    Int J Pediatr Otorhinolaryngol, 2018 Feb;105:27-32.
    PMID: 29447813 DOI: 10.1016/j.ijporl.2017.11.024
    OBJECTIVES: Cochlear implant (CI) greatly enhances auditory performance as compared to hearing aids and has dramatically affected the educational and communication outcomes for profoundly deaf children. Universiti Kebangsaan Malaysia (UKM) pioneered CI program in 1995 in the South East Asia. We would like to report the long-term outcomes of UKM paediatric cochlear implantation in terms of: the proportion of children who were implanted and still using the device, the children's modes of communication, their educational placements, and their functional auditory/oral performance. We also examined the factors that affected the outcomes measured.

    STUDY DESIGN: This was a cross sectional observational study.

    METHODS: Two sets of questionnaires were given to 126 parents or primary caregivers of the implantees. The first set of questionnaire contained questions to assess the children's usage of CI, their types of education placement, and their modes of communication. The second set of questionnaire was the Parent's Evaluation Of Aural/Oral Performance of Children (PEACH) to evaluate the children's auditory functionality.

    RESULTS: Our study showed that among the implantees, 97.6% are still using their CI, 69.8% communicating orally, and 58.5% attending mainstream education. For implantees that use oral communication and attend mainstream education, their mean age of implantation is 38 months. This is significantly lower compared to the mean age of implantation of implantees that use non-oral communication and attend non-mainstream education. Simple logistic regression analysis shows age of implantation reliably predicts implantees (N = 126) would communicate using oral communication with odds ratio of 0.974, and also predict mainstream education (N = 118) with odds ratio of 0.967. The median score of PEACH rating scale is 87.5% in quiet, and this significantly correlates with an earlier age of implantation (r = -0.235 p = 0.048).

    CONCLUSIONS: UKM Cochlear Implant Program has achieved reasonable success among the pediatric implantees, with better outcomes seen in those implanted at the age of less than 4 years old.

    Matched MeSH terms: Deafness/surgery*
  4. Yong HS, Song SL, Lim PE, Chan KG, Chow WL, Eamsobhana P
    Sci Rep, 2015;5:15155.
    PMID: 26472633 DOI: 10.1038/srep15155
    The whole mitochondrial genome of the pest fruit fly Bactrocera arecae was obtained from next-generation sequencing of genomic DNA. It had a total length of 15,900 bp, consisting of 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and a non-coding region (A + T-rich control region). The control region (952 bp) was flanked by rrnS and trnI genes. The start codons included 6 ATG, 3 ATT and 1 each of ATA, ATC, GTG and TCG. Eight TAA, two TAG, one incomplete TA and two incomplete T stop codons were represented in the protein-coding genes. The cloverleaf structure for trnS1 lacked the D-loop, and that of trnN and trnF lacked the TΨC-loop. Molecular phylogeny based on 13 protein-coding genes was concordant with 37 mitochondrial genes, with B. arecae having closest genetic affinity to B. tryoni. The subgenus Bactrocera of Dacini tribe and the Dacinae subfamily (Dacini and Ceratitidini tribes) were monophyletic. The whole mitogenome of B. arecae will serve as a useful dataset for studying the genetics, systematics and phylogenetic relationships of the many species of Bactrocera genus in particular, and tephritid fruit flies in general.
    Matched MeSH terms: Deafness
  5. Muhammad Izani Mohd Shiyuti, Irfan Mohamad, Dinsuhaimi Sidek
    MyJurnal
    The effect of loud noise to the army personnel is often identified when hearing loss had already developed. Acoustic trauma during shooting training can also lead to acute changes in the ear which is shown on otoscopic examination. This study was undertaken to determine the effectiveness of hearing protective device (earplug) on the prevalence of external ear changes amongst military personnel during shooting. This is a prospective cross sectional study that was conducted among 76 military personnel, who were divided into two groups: those with and without earplugs during shooting. Each participant underwent 3 otoscopic examinations: (a) pre-shooting, (b) immediate post-shooting (within 48 hours) and (c) 2 weeks after shooting. A total of 78 army personnel who were scheduled to undergo shooting training were otoscopically examined. Eighty three percent of them did not wear earplugs before. The percentage of inflammation of external auditory canal and tympanic membrane dullness increased tremendously among subjects from non–earplug group less than 48 hours post-shooting. Assessment after 2 weeks showed improvement in around 30% of the subjects. Loud noise has become an occupational hazard not only to the inner ear but it also predisposes the external and middle ear structures to some form of injury. Although improvement is seen after some period, a protective device such as an earplug should be recommended and the usage should be reinforced among the army personnel involved in shooting.
    Matched MeSH terms: Deafness
  6. Poonual W, Navacharoen N, Kangsanarak J, Namwongprom S, Saokaew S
    Korean J Pediatr, 2017 Nov;60(11):353-358.
    PMID: 29234358 DOI: 10.3345/kjp.2017.60.11.353
    Purpose: To develop and evaluate a simple screening tool to assess hearing loss in newborns. A derived score was compared with the standard clinical practice tool.

    Methods: This cohort study was designed to screen the hearing of newborns using transiently evoked otoacoustic emission and auditory brain stem response, and to determine the risk factors associated with hearing loss of newborns in 3 tertiary hospitals in Northern Thailand. Data were prospectively collected from November 1, 2010 to May 31, 2012. To develop the risk score, clinical-risk indicators were measured by Poisson risk regression. The regression coefficients were transformed into item scores dividing each regression-coefficient with the smallest coefficient in the model, rounding the number to its nearest integer, and adding up to a total score.

    Results: Five clinical risk factors (Craniofacial anomaly, Ototoxicity, Birth weight, family history [Relative] of congenital sensorineural hearing loss, and Apgar score) were included in our COBRA score. The screening tool detected, by area under the receiver operating characteristic curve, more than 80% of existing hearing loss. The positive-likelihood ratio of hearing loss in patients with scores of 4, 6, and 8 were 25.21 (95% confidence interval [CI], 14.69-43.26), 58.52 (95% CI, 36.26-94.44), and 51.56 (95% CI, 33.74-78.82), respectively. This result was similar to the standard tool (The Joint Committee on Infant Hearing) of 26.72 (95% CI, 20.59-34.66).

    Conclusion: A simple screening tool of five predictors provides good prediction indices for newborn hearing loss, which may motivate parents to bring children for further appropriate testing and investigations.

    Matched MeSH terms: Deafness
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