Displaying publications 361 - 380 of 4696 in total

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  1. Vocal fold vibratory characteristics in normal female speakers from high-speed digital imaging
    Ahmad K, Yan Y, Bless DM
    J Voice, 2012 Mar;26(2):239-53.
    PMID: 21621975 DOI: 10.1016/j.jvoice.2011.02.001
    The purpose of the study was to investigate relationships between vocal fold vibrations and voice quality. Laryngeal images obtained from high-speed digital imaging (HSDI) were examined for their open-closed timing characteristics and perturbation values. A customized software delineated the glottal edges and used the Hilbert transform-based method of analysis to provide objective quantification of glottal perturbation. Overlay tracings of the transformed glottal cycles provided visual patterns on the overall vibratory dynamics. In this paper, we described the use of this method in looking at vibratory characteristics of a group of young female speakers (N=23). We found that, females with no voice complaints and who had been perceived to have normal voices were not a homogeneous group in terms of their glottal vibratory patterns during phonation. Their vibratory patterns showed characteristics similar to exemplar voices targeted to be clear (50%), pressed (27%), breathy (15%), or a mixed quality (8%). Perturbation range in terms of cycle-to-cycle frequency and amplitude was small and did not discriminate patterns. All these patterns yielded perceptually normal voices suggesting that in normal young speakers, the level of perturbation may be more important to the judgment than the actual pattern of closure.
    Matched MeSH terms: Young Adult
  2. Fulltext Orbital myxoma--an unusual cause of inferoorbital mass
    Ting SL, Koay CL, Ngo CT, Chieng LL, Chua CN
    Med J Malaysia, 2010 Sep;65(3):224-6.
    PMID: 21939174
    To describe a case of isolated infraorbital mass which had been present for the past 9 years in a young woman. Despite the size, the mass was successfully excised in total.
    Matched MeSH terms: Young Adult
  3. Fulltext Cricotracheal separation: a case of delayed diagnosis and treatment
    Hashima AR, Marina MB, Sani A
    Med J Malaysia, 2011 Jun;66(2):144-5.
    PMID: 22106697 MyJurnal
    A motorcyclist was involved in a motor vehicle accident and presented with respiratory distress and neck swelling with surgical emphysema. He sustained gross tracheal injury, severe pneumothoraces and lung contusions. As intubation was successful, the tracheal injury was not addressed immediately in view of the other severe respiratory problems. Evidence of aspiration lead to further investigations which confirmed the diagnosis 22 days post trauma. Thyrotracheal anastomosis was carried out without stenting. A complete cricotracheal separation is a rare event and can be easily overlooked in the emergency department.
    Matched MeSH terms: Young Adult
  4. Fulltext Challenges in diagnosis and management of pseudoptosis secondary to asymmetrical skin creases
    Ting SL, Koay AC, Yew YH, Chua CN
    Med J Malaysia, 2011 Jun;66(2):121-3.
    PMID: 22106691 MyJurnal
    Asymmetrical eyelid skin crease may be mistaken for ptosis due to apparent narrowing of the palpebral fissure in the eye without the skin crease. This study describes a series of patients who were mistakenly referred for ptosis operation as a result of absent skin crease.
    Matched MeSH terms: Young Adult
  5. The quality of life among coronary heart disease patients at a teaching hospital
    Ho SE, Ting CK, Das S, Loo CY, Rohayu AB, Khor SY, et al.
    Clin Ter, 2011;162(3):217-22.
    PMID: 21717045
    Quality of life after acute coronary heart disease amongst patients is important outcome factor in deliberations of patient's care. The main aim of the study was to examine the quality of life amongst acute CHD patients.
    Matched MeSH terms: Young Adult
  6. Anti-HCMV IgG positivity rate among renal transplant recipients in Baghdad
    Al-Alousy BM, Abdul-Razak SH, Al-Ajeeli KS, Al-Jashamy KA
    Saudi J Kidney Dis Transpl, 2011 Nov;22(6):1269-74.
    PMID: 22089802
    In developing countries, the majority of infection by human cytomegalovirus (HCMV) occurs during childhood and continues as a latent infection. By adulthood, almost all the population may show anti-HCMV IgG as positive. This study was undertaken to determine the correlation between the prevalence of HCMV antibodies and HCMV infection during post transplant period among renal transplant patients in Baghdad. 43 renal transplant patients attending three renal transplantation centers, and 40 healthy individuals who served as controls were enrolled in this study. 18 (41.9%) were transplanted recently and they were under post-operative follow-up and 25 (58.1%) were transplanted more than one year ago. Detection of anti-HCMV IgG was carried out using enzyme-linked immunosorbant assay (ELISA). The results revealed that anti-HCMV IgG was significantly higher among renal transplant recipients compared to healthy controls (97.7% vs 85%, P = 0.04). The anti-HCMV IgG positivity rate was not affected by patients' age, sex, and duration after transplantation or immunosuppressive therapy. We conclude that the high anti-HCMV IgG positivity rate among Iraqi renal transplant recipients make them prone to considerable risk of reactivation of HCMV infection.
    Matched MeSH terms: Young Adult
  7. Vocal fundamental frequency and perturbation measurements of vowels by normal Malaysian Chinese adults
    Ting HN, Chia SY, Kim KS, Sim SL, Abdul Hamid B
    J Voice, 2011 Nov;25(6):e311-7.
    PMID: 21376529 DOI: 10.1016/j.jvoice.2010.05.004
    The acoustic properties of vowel phonation vary across cultures. These specific characteristics, including vowel fundamental frequency (F(0)) and perturbation measures (Absolute Jitter [Jita], Jitter [Jitt], Relative Average Perturbation [RAP], five-point Period Perturbation Quotient [PPQ5], Absolute Shimmer [ShdB], Shimmer [Shim], and 11-point Amplitude Perturbation Quotient [APQ11]) are not well established for Malaysian Chinese adults. This article investigates the F(0) and perturbation measurements of sustained vowels in 60 normal Malaysian Chinese adults using acoustical analysis. Malaysian Chinese females had significantly higher F(0) than Malaysian males in all six vowels. However, there were no significant differences in F(0) across the vowels for each gender. Significant differences between vowels were observed for Jita, Jitt, PPQ5, ShdB, Shim, and APQ11 among Chinese males, whereas significant differences between vowels were observed for all the perturbation parameters among Chinese females. Chinese males had significantly higher Jita and APQ11 in the vowels than Chinese females, whereas no significant differences were observed between males and females for Jitt, RAP, PPQ5, and Shim. Cross-ethnic comparisons indicate that F(0) of vowel phonation varies within the Chinese ethnic group and across other ethnic groups. The perturbation measures cannot be simply compared, where the measures may vary significantly across different speech analysis softwares.
    Matched MeSH terms: Young Adult
  8. Pattern of weight changes in women with breast cancer
    Yaw YH, Kandiah M, Shariff ZM, Mun CY, Hashim Z, Yusof RM, et al.
    Asian Pac J Cancer Prev, 2010;11(6):1535-40.
    PMID: 21338193
    This study describes weight changes experienced by Malaysian women with breast cancer. Women with breast cancer (n=368) were recruited from eight hospitals and four breast cancer support groups in Peninsular Malaysia. Current weight was measured and weight at the time of diagnosis and a year preceding diagnosis were based on self-reports. Change in weight was determined from the year preceding breast cancer diagnosis to study entry (time 1), at the time of diagnosis to study entry (time 2) and from a year preceding breast cancer diagnosis to the time of diagnosis (time 3). Current body mass index, at a year preceding diagnosis and at the time of diagnosis were determined. Waist circumference was also measured. The sample comprised 57% Malay, 34% Chinese and 9.8% Indian women. The mean age of the women was 54 ∓ 9.04 years and over 80% were post-menopausal. Majority of the women were in stage I and stage II breast cancer at the time of diagnosis. The most common treatments received by these women were chemotherapy followed by radiotherapy and mastectomy. Overweight and obesity were prevalent in over 40% of the survivors at all three periods. Significant weight changes were observed during time 1 (-0.74 ∓ 4.78kg, p< 0.001), time 2 (2.73 ∓ 8.06kg, p< 0.001) and time 3 (3.47 ∓ 7.53kg, p< 0.001). At time 1, almost 50% showed no changes in their weight. At time 2, nearly two-thirds had gained weight and at time 3, 69% had gained weight, abdominal obesity was observed in nearly two-thirds of the women at study entry. A significant difference in weight change among age groups was observed in time 2 and time 3. All ethnic groups had significant weight change in time 1 and time 2. Significant weight gain was observed in relation to body mass index prior to diagnosis, at diagnosis and at study entry. However, no significant difference in weight change by educational level, family history of cancer and cancer stages were observed in all 3 periods. In conclusion, significant weight gain was evident in this sample of women after diagnosis of breast cancer and treatment. Women with breast cancer should be encouraged to maintain normal body mass index and waist circumference through appropriate diet and regular physical activity which may help to reduce their risk of recurrence, secondary cancer and metastasis.
    Matched MeSH terms: Young Adult
  9. Comparative bioavailability of two risperidone orodispersible tablet products after single dose administration
    Tassaneeyakul W, Kumar S, Gaysonsiri D, Kaewkamson T, Khuroo A, Tangsucharit P, et al.
    Int J Clin Pharmacol Ther, 2010 Sep;48(9):614-20.
    PMID: 20860915
    OBJECTIVES: To compare the bioavailability of two risperidone orodispersible tablet products, Risperidone 1 mg Mouth dissolving tablet, Ranbaxy (Malaysia) Sdn. Bhd., Malaysia, as a test product and Risperdal 1 mg Quicklet, Janssen Ortho LLC, Gurabo, Puerto Rico, as a reference product, in healthy male volunteers under fasting condition.

    MATERIALS AND METHODS: A randomized, 2-treatment, 2-period, 2-sequence, single dose, crossover with a washout period of 2 weeks, was conducted in 24 healthy Thai male volunteers. Blood samples were collected at 0, 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72 and 96 h following drug administration. Plasma concentrations of risperidone and 9-hydroxyrisperidone were determined using a validated LC-MS-MS method. The pharmacokinetic parameters of risperidone and 9-hydroxyrisperidone were determined using a non-compartmental model.

    RESULTS: The geometric means ratios (%) and 90% confidence interval (CI) of the test and reference products for the log-transformed pharmacokinetic parameters, Cmax, AUC0-t and AUC0-inf of risperidone were 104.49 % (92.79% - 117.66%), 100.96 % (92.15% - 110.61 %) and 97.99 % (90.72% - 105.85%). The 90% CI of geometric means ratios of the test and reference products for the log-transformed pharmacokinetic parameters, Cmax, AUC0-t and AUC0-inf of 9-hydroxyrisperidone were 97.00%, 96.97% and 97.49%.

    CONCLUSIONS: The 90% CI for the geometric means ratios (test/reference) of the log-trasformed Cmax, AUC0-t and AUC0-inf of risperidone and its major active metabolite were within the bioequivalence acceptance criteria of 80% - 125% of the US-FDA.

    Matched MeSH terms: Young Adult
  10. Illicit ketamine induced frequency of micturition in a young Malay woman
    Noorzurani R, Vicknasingam B, Narayanan S
    Drug Alcohol Rev, 2010 May;29(3):334-6.
    PMID: 20565527 DOI: 10.1111/j.1465-3362.2009.00147.x
    The growing use of illicit ketamine among young adults poses a public health concern in Malaysia. In contrast to medical use of ketamine, illicit use has been reported to produce adverse effects on the urinary tract and, in particular the bladder. APPROACH AND KEY FINDINGS: This case report describes a young Malay woman who developed severe bladder symptoms (urinary frequency) after consuming illicit ketamine. A history of illicit ketamine use was initially missed, and she was consequently diagnosed and treated for a urinary tract infection. Her symptoms persisted despite several courses of antibiotics. The patient was subsequently referred to an urologist where cystoscopic examination and biopsy of the bladder found changes consistent with interstitial cystitis. This was despite the absence of haematuria. Renal function was normal.
    Matched MeSH terms: Young Adult
  11. Fulltext A comparison of responses to alcohol expectancy questionnaire (CEOA) of Indian and Malaysian medical students
    Ganaraja B, Ramesh BM, Kotian MS
    Indian J. Physiol. Pharmacol., 2010;54(3):265-70.
    PMID: 21409864
    Alcohol addiction is a social problem faced by every country worldwide. Young people are more at risk of this menace. In spite of a clear knowledge and message about the effects of alcohol on individual health and social fabric, it is hard to curb the overuse of this beverage. In the present study, we compared the outcome of a survey using Comprehensive effects of Alcohol (CEOA) in two private Medical institutions in two Asian countries, viz. KMC, Mangalore, India (n=180) and AIMST, Kedah, Malaysia (n=170). The study included both males and female students. The result suggested that the negative reinforcement responses were rated higher in both the study groups. But those who have tasted alcohol before had a higher rating that alcohol may cause positive reinforcement. Both groups of respondents showed similar trend suggesting that the alcohol expectancies are similar in Indian students and Malaysian students. From the results we could conclude that the responses of the two sample groups were comparable to each other. While the male respondents were inclined show higher affinity towards acceptance of alcohol females are very much less so. However, the respondents of both groups appeared to be well aware of the negative aspects of alcohol. Importantly previous exposure to alcohol intake dramatically changed the perception and showed increased inclination towards alcoholism. This study thus provides an important clue to the clinician, counselors and parents regarding the importance of guiding the young people about the alcoholism.
    Matched MeSH terms: Young Adult
  12. A cross-sectional validation study of EQ-5D among the Malaysian adult population
    Shafie AA, Hassali MA, Liau SY
    Qual Life Res, 2011 May;20(4):593-600.
    PMID: 21046257 DOI: 10.1007/s11136-010-9774-6
    PURPOSE: The objective of this study was to assess the construct validity of the EQ-5D instrument among the Malaysian population.

    METHODS: This was a cross-sectional study conducted among Malaysian adults in three northern states of Malaysia. A pre-developed questionnaire consisting of both the EQ-5D and SF-12 items was used for data collection. Concurrent, convergent, and known group validity of EQ-5D were assessed against SF-12 and several known relationships with participants' demographic and illness characteristics.

    RESULTS: A total of 596 Malaysians participated in the study. The mean EQ-5D score was 0.93 (SD = 0.13), while the mean physical component score (PCS-12) and mental component score (MCS-12) scores were 48.9 (SD = 7.4) and 49.1 (SD = 8.0), respectively. Participants with a current medical problem had lower PCS-12 and MCS-12 scores and reported more problems with all of the EQ-5D dimensions; they also had lower EQ-5D and EQ-VAS scores (P < 0.05). Convergent validity was supported by a moderately positive correlation between EQ-5D and EQ-VAS with MCS-12 and PCS-12 scores; moreover, the stronger effect sizes between PCS-12 and the physical dimensions of EQ-5D as well as between MCS-12 with anxiety/depression scores further supported the convergent validity of EQ-5D. Responses to the EQ-5D dimensions only supported two of the four known group validity hypotheses of higher quality of life among individuals who are better educated and no medical problem. No association was found between income and gender with EQ-5D score.

    CONCLUSION: This study has demonstrated acceptable construct validity of the EQ-5D among the Malaysian population.

    Matched MeSH terms: Young Adult
  13. Acute effect of different stretching methods on Illinois agility test in soccer players
    Amiri-Khorasani M, Sahebozamani M, Tabrizi KG, Yusof AB
    J Strength Cond Res, 2010 Oct;24(10):2698-704.
    PMID: 20168255 DOI: 10.1519/JSC.0b013e3181bf049c
    The purpose of this study was to examine the effects of static, dynamic, and the combination of static and dynamic stretching within a pre-exercise warm-up on the Illinois agility test (IAT) in soccer players. Nineteen professional soccer players (age = 22.5 ± 2.5 years, height = 1.79 ± 0.003 m, body mass = 74.8 ± 10.9 kg) were tested for agility performance using the IAT after different warm-up protocols consisting of static, dynamic, combined stretching, and no stretching. The players were subgrouped into less and more experienced players (5.12 ± 0.83 and 8.18 ± 1.16 years, respectively). There were significant decreases in agility time after no stretching, among no stretching vs. static stretching; after dynamic stretching, among static vs. dynamic stretching; and after dynamic stretching, among dynamic vs. combined stretching during warm-ups for the agility: mean ± SD data were 14.18 ± 0.66 seconds (no stretch), 14.90 ± 0.38 seconds (static), 13.95 ± 0.32 seconds (dynamic), and 14.50 ± 0.35 seconds (combined). There was significant difference between less and more experienced players after no stretching and dynamic stretching. There was significant decrease in agility time following dynamic stretching vs. static stretching in both less and more experienced players. Static stretching does not appear to be detrimental to agility performance when combined with dynamic warm-up for professional soccer players. However, dynamic stretching during the warm-up was most effective as preparation for agility performance. The data from this study suggest that more experienced players demonstrate better agility skills due to years of training and playing soccer.
    Matched MeSH terms: Young Adult
  14. An insight into industrial accidents involving the hand
    Abdullah S, Jaafar JM, Das S, Sapuan J
    Clin Ter, 2009;160(6):427-33.
    PMID: 20198282
    BACKGROUND: Industrial hand injuries are a common occurrence and contributes to a large segment of workers' morbidity. The main aim of this study was to look into the day pattern, types and location of upper limbs injures, identify the types of machines involved and highlight the treatment received.
    MATERIALS AND METHODS: The present study was performed on 57 industrial workers admitted and treated by the Orthopaedic team of Universiti Kebangsaan Malaysia Medical Centre (UKMMC) for acute injuries sustained whilst working.
    RESULTS: The majority of the workers were male (93%). The commonest age group involved was between 25-35 years (48%). The right hand was injured more then the left with majority of injuries involving the fingers. Interestingly, we also observed that injuries occurred more on Saturdays. Laceration was the most common injury followed by fractures and crush injuries. Treatment depends on the type and severity of injuries. For most lacerated wounds, treatment was debridement, primary suturing and antibiotic therapy. Injuries on Saturdays indicated that workers needed a longer time break especially during weekends after a long hectic week.
    CONCLUSIONS: Injuries sustained by workers may be prevented by proper working techniques and conditions together with wearing of protective gadgets.

    Study site: Pusat Perubatan Universiti Kebangsaan Malaysia (PPUKM)
    Matched MeSH terms: Young Adult
  15. Sex differences from fingerprint ridge density in Chinese and Malaysian population
    Nayak VC, Rastogi P, Kanchan T, Yoganarasimha K, Kumar GP, Menezes RG
    Forensic Sci Int, 2010 Apr 15;197(1-3):67-9.
    PMID: 20071110 DOI: 10.1016/j.forsciint.2009.12.055
    The fingerprints are very typical for a human being. The present study was undertaken to study the gender differences in fingerprint ridge density in Chinese and Malaysian population. The study done on 200 subjects (100 males and 100 females) of Chinese origin and 100 subjects (50 males and 50 females) of Malaysian origin revealed that significant gender differences occur in the finger ridge density. Fingerprint mean ridge density of 12 ridges/25 mm(2) or less is found to be more likely to be of males and a mean ridge count of more the 13 ridges/25 mm(2) is more likely of female origin in Chinese subjects. Fingerprint mean ridge density of 11 ridges/25 mm(2) or less is found to be more likely to be of males and a mean ridge count of more the 13 ridges/25 mm(2) is more likely of female origin in Malaysian subjects.
    Matched MeSH terms: Young Adult
  16. Fulltext Cutaneous lupus erythematosus in Sarawak, East Malaysia
    Yap FBB
    Indian J Dermatol Venereol Leprol, 2009 May-Jun;75(3):302-3.
    PMID: 19439888 DOI: 10.4103/0378-6323.51262
    Matched MeSH terms: Young Adult
  17. Thrombophilia investigation in Malaysian women with recurrent pregnancy loss
    Ayadurai T, Muniandy S, Omar SZ
    J Obstet Gynaecol Res, 2009 Dec;35(6):1061-8.
    PMID: 20144172 DOI: 10.1111/j.1447-0756.2009.01067.x
    The status of thrombophilia in Asian women with recurrent pregnancy loss (RPL) is obscure and poorly understood. Numerous studies suggest the non-existence or extreme rarity of the two important thrombophilia markers, factor V Leiden (FVL) and prothrombin G20210A (PTG) mutations, in patients of Asian ancestries. Thus, the consensus that thrombophilia is rare among Asians and laboratory investigations is irrelevant. We therefore investigated Malaysian women with RPL for thrombophilia abnormalities.
    Matched MeSH terms: Young Adult
  18. Purtscher retinopathy as an initial presentation of thrombotic thrombocytopenic purpura
    Tajunisah I, Patel DK, Subrayan V
    J Thromb Thrombolysis, 2010 Jul;30(1):112-3.
    PMID: 19834784 DOI: 10.1007/s11239-009-0399-y
    Matched MeSH terms: Young Adult
  19. Public knowledge and beliefs about depression among urban and rural Malays in Malaysia
    Swami V, Loo PW, Furnham A
    Int J Soc Psychiatry, 2010 Sep;56(5):480-96.
    PMID: 19651692 DOI: 10.1177/0020764008101639
    This study examined knowledge and beliefs about depression among Malaysian Malays varying in socioeconomic status.
    Matched MeSH terms: Young Adult
  20. Lucio's phenomenon: a report of three cases seen in Johor, Malaysia
    Choon SE, Tey KE
    Int J Dermatol, 2009 Sep;48(9):984-8.
    PMID: 19702985 DOI: 10.1111/j.1365-4632.2009.04078.x
    Lucio's phenomenon is a rare and aggressive necrotising variant of erythema nodosum leprosum that classically occur in patients with undiagnosed, diffuse non-nodular lepromatous leprosy. It is a potentially fatal leprosy reaction characterised by extensive, bizarrely-shaped, painful purpuric skin lesions and ulcerations. Lucio's phenomenon is very rarely reported outside of Mexico and Costa Rica.
    Matched MeSH terms: Young Adult
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