Displaying publications 601 - 620 of 5421 in total

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  1. Fulltext Recurrent Chromobacterium violaceum infection in a patient with chronic granulomatous disease
    Sureisen M, Choon SK, Tai CC
    Med J Malaysia, 2008 Oct;63(4):346-7.
    PMID: 19385503 MyJurnal
    We report a rare case of recurrent infection of Chromobacterium violaceum in an immunocompromised patient. Despite the high mortality rate associated with this infection as reported in the literature, this patient survived three episodes of recurrent infection. We believe that with high clinical suspicion, prompt treatment and appropriate antimicrobial agents, it is possible for clinicians to treat this infection effectively and reduce the mortality rate.
    Matched MeSH terms: Granulomatous Disease, Chronic/complications*
  2. Prevalence of overweight and self-reported chronic diseases among residents in Pulau Kundur, Kelantan, Malaysia
    Nazri SM, Imran MK, Ismail IM, Faris AA
    Southeast Asian J. Trop. Med. Public Health, 2008 Jan;39(1):162-7.
    PMID: 18567457
    This cross-sectional study was designed to determine the socio-demographic characteristics and prevalence of overweight/obesity and self-reported diabetes mellitus, hypertension and heart disease among the population in Pulau Kundur, Kota Bharu, Kelantan, Malaysia. This study was conducted in September 2005. We randomly selected 120 of 240 households in Pulau Kundur, Kota Bharu, Kelantan. Fifteen interviewers were trained to use a structured questionnaire to interview 348 adult respondents age 18 years and older in the selected houses. The mean age was 40.7 years; 52.7% were females and 99.4% were Malay. Sixty-two point seven percent were married and 50.9% of them had Ujian Penilaian Sekolah Rendah (UPSR) or less education. The mean head of family income was RM 532.4. The mean body mass index was 25.3. The overall prevalence of overweight/obesity, known hypertension, diabetes mellitus and heart disease were 49.1, 12.6, 7.8 and 2.0% respectively. Adults in this village had a high prevalence of overweight and obesity and self-reported chronic diseases. Health education and lifestyle modification are needed for those adults.
    Matched MeSH terms: Chronic Disease/epidemiology*
  3. Fulltext Acute dengue in a neonate secondary to perinatal transmission
    Chin PS, Khoo AP, Asmah Hani AW, Chem YK, Norizah I, Chua KB
    Med J Malaysia, 2008 Aug;63(3):265-6.
    PMID: 19248708 MyJurnal
    We report a newborn baby girl with acute dengue due to vertical transmission. A 31 year old factory worker of 38+ week gestation, gravida 5 para 3+1, developed acute dengue fever two days prior to delivery. She delivered a normal term baby girl by spontaneous vaginal delivery and recovered uneventfully without peripartum haemorrhage despite the presence of thrombocytopenia. The baby girl developed low grade fever on day four of post-natal life and except for the transient thrombocytopenia, also recovered uneventfully following three days of mild illness. The clinical diagnosis of acute dengue virus infection was confirmed by laboratory tests.
    Matched MeSH terms: Infectious Disease Transmission, Vertical*
  4. Fulltext Recurrent lung cavities and endobronchial nodules in an adolescent male
    Fauzi MA, Fadilah SA, Bahariah K
    Med J Malaysia, 2007 Mar;62(1):66-7.
    PMID: 17682575 MyJurnal
    Multiple lung cavitations and endobronchial nodules are rare presentations of newly diagnosed and recurrent Hodgkin's disease. The clinical and radiological features can be confused with pulmonary tuberculosis, which can be difficult to exclude in endemic areas. However, the presence of endobronchial nodules point, towards Hodgkin's disease. Differential diagnosis is aided by the fact that these lesions usually respond promptly to specific therapy. We present a case of an adolescent male who had constitutional and pulmonary symptoms associated with pulmonary cavities and endobronchial nodules subsequently confirmed to be Hodgkin's disease.
    Matched MeSH terms: Hodgkin Disease/physiopathology*
  5. Recent progress in henipavirus research
    Halpin K, Mungall BA
    Comp Immunol Microbiol Infect Dis, 2007 Sep;30(5-6):287-307.
    PMID: 17629946
    Following the discovery of two new paramyxoviruses in the 1990s, much effort has been placed on rapidly finding the reservoir hosts, characterising the genomes, identifying the viral receptors and formulating potential vaccines and therapeutic options for these viruses, Hendra and Nipah viruses caused zoonotic disease on a scale not seen before with other paramyxoviruses. Nipah virus particularly caused high morbidity and mortality in humans and high morbidity in pig populations in the first outbreak in Malaysia. Both viruses continue to pose a threat with sporadic outbreaks continuing into the 21st century. Experimental and surveillance studies identified that pteropus bats are the reservoir hosts. Research continues in an attempt to understand events that precipitated spillover of these viruses. Discovered on the cusp of the molecular technology revolution, much progress has been made in understanding these new viruses. This review endeavours to capture the depth and breadth of these recent advances.
    Matched MeSH terms: Disease Outbreaks*
  6. Coronary artery calcium and you - do you know where you stand?
    Chin SP, Ng CK, Sim KH
    Indian Heart J, 2007 May-Jun;59(3):211-3.
    PMID: 19124927
    Matched MeSH terms: Coronary Artery Disease/radiography*
  7. Fulltext Outbreak of influenza amongst residential school students in Malaysia
    Ayob A, Selviendran N, Hampson AW, Barr IG, Kumarasamy V, Chua KB
    Med J Malaysia, 2006 Jun;61(2):168-72.
    PMID: 16898307 MyJurnal
    In the months of July and August 2003, an outbreak of acute respiratory illness caused by influenza A virus occurred among students in seven residential schools situated in the northern part (Perak) of Peninsular Malaysia. Out of 4989 students, aged 13 to 18 years (mean = 15.9), 1419 (28%) were effected by influenza-like illness. All patients were treated as outpatients except for 36 students who required admission for high fever, severe coughing and shortness of breath. Abnormal chest X-ray findings were noted for those that required inpatient management. Influenza A virus was isolated from 37 sputum specimens, 20 throat swabs and three nasal swab specimens from a total of 278 clinical samples obtained from 180 patients. Isolates from each of the outbreaks were sent to WHO Collaborating Centre for Reference and Research on Influenza, Melbourne, Australia for antigenic and genetic analysis. One school outbreak was due to influenza A (H1N1), A/New Caledonia/20/99-like virus while the other six school outbreaks were due to influenza A (H3N2) viruses which were A/Fujian/411/2002-like).
    Matched MeSH terms: Disease Outbreaks*
  8. Fulltext Symptomatology and health status in patients with chronic obstructive pulmonary disease
    Loh LC, Lai CH, Liew OH, Siow YY
    Med J Malaysia, 2005 Dec;60(5):570-7.
    PMID: 16515107
    Chronic Obstructive Pulmonary Disease (COPD) is a growing health problem worldwide and in Malaysia. Until recently, research on COPD has been slow and difficult, partly due to the huge heterogeneity of this disease, and its variable and imprecise definitions. To perform a descriptive study on a convenient sample of local patients with COPD treated in a state hospital in Malaysia. Fifty-two patients [mean (95% CI) age: 67 (63-70) years; 86% male: 38% Malays, 36% Chinese, 25% Indians; mean (95% CI) PEFR: 45 (40-51) % predicted normal] were interviewed. Clinico-demographic data was collected using a structured questionnaire and health-related quality of life was scored using St George's Respiratory Questionnaire (SGRQ). For analysis, patients were also divided into moderate (n=17) [PEFR 50% to 80%] and severe (n=35) [PEFR < 50%] disease groups. Except for education and total family income, demographic and comorbidity variables were comparable between the two groups of COPD severity. All except 9% of patients were current or ex-smokers. Breathlessness, not chronic bronchitis (i.e. cough and sputum), was the first ranking respiratory symptom in over 70% of the patients, whether currently or at early disease manifestation. Between 5 and 15% of the patients denied any symptom of chronic bronchitis as current or early stage symptoms. Duration of symptoms prior to the diagnosis varied considerably with about 9% having symptoms for over 10 years. Over 80% of the patients smoked for over 15 years before the onset of symptoms. Quality of life in patients with COPI) was generally poor and similar between both COPD severity groups. About one fifth of the patients had exacerbations more than 12 times a year. While many features described in our local patients are well recognized in COPD, the finding that 'chronic bronchitis' is not a prominent symptom in the current or past history may have important implications in the diagnosis of at risk individuals and patients with early disease requiring attention. More research is required to confirm and to understand this.
    Matched MeSH terms: Pulmonary Disease, Chronic Obstructive/complications*
  9. Fulltext Dual thyroid ectopia with graves' disease: a case report and a review of the literature
    Tan TH, Lee BN, Amir Hassan SZ, Ch'ng ES, Hussein Z
    Nucl Med Mol Imaging, 2012 Dec;46(4):300-3.
    PMID: 24900078 DOI: 10.1007/s13139-012-0160-x
    Ectopic thyroid or thyroid ectopia is a rare developmental anomaly with the prevalence of 1 per 100,000-300,000 population. Even rarer, such an anomaly manifests as dual thyroid ectopia. To our best knowledge, only one case has been reported on dual thyroid ectopia with Graves' disease in the English literature. We present here a case of dual thyroid ectopia complicated by Graves' disease, whereby the diagnosis was rendered through judicious use of various diagnostic modalities coupled with a close clinical follow-up. In this case, therapeutic consideration should be personalized with proper informed consent of the patient.
    Matched MeSH terms: Graves Disease*
  10. Blast resistance in rice: a review of conventional breeding to molecular approaches
    Miah G, Rafii MY, Ismail MR, Puteh AB, Rahim HA, Asfaliza R, et al.
    Mol Biol Rep, 2013 Mar;40(3):2369-88.
    PMID: 23184051 DOI: 10.1007/s11033-012-2318-0
    Blast disease caused by the fungal pathogen Magnaporthe oryzae is the most severe diseases of rice. Using classical plant breeding techniques, breeders have developed a number of blast resistant cultivars adapted to different rice growing regions worldwide. However, the rice industry remains threatened by blast disease due to the instability of blast fungus. Recent advances in rice genomics provide additional tools for plant breeders to improve rice production systems that would be environmentally friendly. This article outlines the application of conventional breeding, tissue culture and DNA-based markers that are used for accelerating the development of blast resistant rice cultivars. The best way for controlling the disease is to incorporate both qualitative and quantitative genes in resistant variety. Through conventional and molecular breeding many blast-resistant varieties have been developed. Conventional breeding for disease resistance is tedious, time consuming and mostly dependent on environment as compare to molecular breeding particularly marker assisted selection, which is easier, highly efficient and precise. For effective management of blast disease, breeding work should be focused on utilizing the broad spectrum of resistance genes and pyramiding genes and quantitative trait loci. Marker assisted selection provides potential solution to some of the problems that conventional breeding cannot resolve. In recent years, blast resistant genes have introgressed into Luhui 17, G46B, Zhenshan 97B, Jin 23B, CO39, IR50, Pusa1602 and Pusa1603 lines through marker assisted selection. Introduction of exotic genes for resistance induced the occurrence of new races of blast fungus, therefore breeding work should be concentrated in local resistance genes. This review focuses on the conventional breeding to the latest molecular progress in blast disease resistance in rice. This update information will be helpful guidance for rice breeders to develop durable blast resistant rice variety through marker assisted selection.
    Matched MeSH terms: Disease Resistance/genetics*
  11. Fulltext Diabetes epidemic in Malaysia
    Mustaffa BE
    Med J Malaysia, 2004 Aug;59(3):295-6.
    PMID: 15727372 MyJurnal
    Matched MeSH terms: Disease Outbreaks*
  12. Identification of phosphoprotein:phosphoprotein and phosphoprotein:nucleocapsid protein interaction domains of the Newcastle disease virus
    Jahanshiri F, Eshaghi M, Yusoff K
    Arch Virol, 2005 Mar;150(3):611-8.
    PMID: 15592890
    The yeast two-hybrid system has been used to identify domains of the Newcastle disease virus (NDV) phosphoprotein (P) involved in self-association and interaction with the nucleocapsid protein (NP). Deletion analysis was used to map the domain(s) of the P protein involved in P:P and P:NP interactions. The C-terminal 45 amino acids (residues 247-291) were shown to play a major role in both of the interactions. Comparison of these findings with other reports suggests that paramyxoviruses are different with respect to interaction domain(s) between these two essential viral proteins involved in genome replication.
    Matched MeSH terms: Newcastle disease virus/metabolism*
  13. Fulltext Prevalence of peripheral arterial disease and abdominal aortic aneurysm among patients with acute coronary syndrome
    Leong BDK, Ariffin AZ, Chuah JA, Voo SY
    Med J Malaysia, 2013;68(1):10-2.
    PMID: 23466759 MyJurnal
    INTRODUCTION: Peripheral arterial disease(PAD) and abdominal aortic aneurysm(AAA) are two important underdiagnosed vascular pathologies. As they share common risk factors with coronary arterial disease, we conducted a study to look at their prevalence among patients with acute coronary syndrome(ACS).
    MATERIALS AND METHODS: Patients with ACS admitted to Queen Elizabeth Hospital, Malaysia, from February 2009 till August 2009 were screened prospectively for PVD and AAA. Patients' data and clinical findings were gathered and analyzed. Measurements of ankle brachial index (ABI) and abdominal aortic diameter were performed by a single assessor. PAD was defined as ABI ≤ 0.9 or diabetic patients with signs and symptoms of PAD and absence of pedal pulses. AAA was defined as abdominal aortic diameter ≥ 3cm.
    RESULTS: 102 patients were recruited with mean age of 59.5 years old. Male: female ratio was 6:1. 40.2% of patients had NSTEMI; 45.1%, STEMI and 14.7%, unstable angina. Risk factors profile is as follows: hypertension- 68.6%, smoking- 56.9%, hypercholesterolemia- 52.9%, diabetes mellitus- 35.3% and history of stroke- 5.9%. Median ABI was 1.1 with lowest reading of 0.4. Mean abdominal aortic size was 2.0cm with largest diameter of 3.3cm. PAD was present in 24.5% of patients and AAA in 2.0%. 68.0% of patients with PAD were asymptomatic. Smoking and age more than 60 years were independent predictors for PAD among ACS patients.
    CONCLUSIONS: PAD is strongly correlated with CAD with old age and smoker as independent predictors. However, association between AAA and ACS could not be established.
    Study site: Queen Elizabeth Hospital, Kota Kinabalu, Sabah, Malaysia
    Matched MeSH terms: Peripheral Arterial Disease*
  14. Fulltext Use of expansion factors to estimate the burden of dengue in Southeast Asia: a systematic analysis
    Undurraga EA, Halasa YA, Shepard DS
    PLoS Negl Trop Dis, 2013;7(2):e2056.
    PMID: 23437407 DOI: 10.1371/journal.pntd.0002056
    BACKGROUND: Dengue virus infection is the most common arthropod-borne disease of humans and its geographical range and infection rates are increasing. Health policy decisions require information about the disease burden, but surveillance systems usually underreport the total number of cases. These may be estimated by multiplying reported cases by an expansion factor (EF).

    METHODS AND FINDINGS: As a key step to estimate the economic and disease burden of dengue in Southeast Asia (SEA), we projected dengue cases from 2001 through 2010 using EFs. We conducted a systematic literature review (1995-2011) and identified 11 published articles reporting original, empirically derived EFs or the necessary data, and 11 additional relevant studies. To estimate EFs for total cases in countries where no empirical studies were available, we extrapolated data based on the statistically significant inverse relationship between an index of a country's health system quality and its observed reporting rate. We compiled an average 386,000 dengue episodes reported annually to surveillance systems in the region, and projected about 2.92 million dengue episodes. We conducted a probabilistic sensitivity analysis, simultaneously varying the most important parameters in 20,000 Monte Carlo simulations, and derived 95% certainty level of 2.73-3.38 million dengue episodes. We estimated an overall EF in SEA of 7.6 (95% certainty level: 7.0-8.8) dengue cases for every case reported, with an EF range of 3.8 for Malaysia to 19.0 in East Timor.

    CONCLUSION: Studies that make no adjustment for underreporting would seriously understate the burden and cost of dengue in SEA and elsewhere. As the sites of the empirical studies we identified were not randomly chosen, the exact extent of underreporting remains uncertain. Nevertheless, the results reported here, based on a systematic analysis of the available literature, show general consistency and provide a reasonable empirical basis to adjust for underreporting.

    Matched MeSH terms: Disease Notification/statistics & numerical data
  15. Fulltext Taking stock of two decades of the HIV/AIDS epidemic in Malaysia
    Kamarulzaman A
    Med J Malaysia, 2005 Mar;60(1):1-4.
    PMID: 16250272
    Matched MeSH terms: Disease Outbreaks*
  16. Chronic pancreatitis: aetiology, epidemiology and clinical presentation
    Goh KL
    Med J Malaysia, 2005 Jul;60 Suppl B:94-8.
    PMID: 16108185
    Chronic pancreatitis is a difficult disease to treat. Worldwide, alcohol is the most common aetiology but based on recent studies it is clear that genetic susceptibility plays an important role in determining disease. Several important genetic mutations have been identified. The prevalence of chronic pancreatitis appears to be lower in Asia although very high rates have been reported in parts of India. Severe intractable pain is the predominant presenting complaint of patients. The natural history of the disease and the onset of exocrine and endocrine insufficiency depend on the classification of disease as early onset, late-onset or alcohol associated. Complications of chronic pancreatitis are important and include pseudocyst formation, bile duct and duodenal strictures.
    Matched MeSH terms: Chronic Disease; Disease Susceptibility
  17. Darier disease: a case report
    Jalil AA, Zain RB, van der Waal I
    Br J Oral Maxillofac Surg, 2005 Aug;43(4):336-8.
    PMID: 15993288
    The diagnosis of Darier disease of the oral mucosa was made only after biopsying a leukoplakia-like lesion of the palate.
    Matched MeSH terms: Darier Disease/pathology*
  18. Fulltext An epidemiological investigation of an outbreak of leptospirosis associated with swimming, Beaufort, Sabah
    Koay TK, Nirmal S, Noitie L, Tan E
    Med J Malaysia, 2004 Oct;59(4):455-9.
    PMID: 15779577
    From October 13 to October 21, 1999, a total of 46 males, aged 8 to 19 years, were admitted to Beaufort Hospital after swimming in the creek near an oil palm plantation in Kampung (Kg) Kebatu, Beaufort. Thirty (30) presented with symptoms including fever, vomiting, bodyache, giddiness, headache, chest pain and cough, while 16 others, were asymptomatic. One, a 15 year old boy, died from haemorrhagic shock secondary to pulmonary haemorrhage. The onset of the illness was from 11 October to 19 October 1999. A case-control study found that the outbreak was associated with swimming in the creek (p<0.0001). A total of 44 paired sera samples were sent for microscopic agglutination test (MAT), 5 pairs showed sero-conversion, 3 pairs had 4 fold rise in titre and 18 pairs were positive at >320. The findings indicated that Leptospirosis was the cause of the outbreak of this illness and the contaminated creek water was the source of the infection. The occurrence of flooding and stagnation in the creek following the heavy rainfall during the first week of October 1999 could have contributed to the timing of the outbreak.
    Matched MeSH terms: Disease Outbreaks*
  19. Letter regarding "CD95 rs1800682 polymorphism and cervical cancer risk: evidence from a meta-analysis" by Zhang et al
    Tan SC
    Tumour Biol., 2015 Nov;36(11):8275-6.
    PMID: 26515334 DOI: 10.1007/s13277-015-4330-1
    Matched MeSH terms: Genetic Predisposition to Disease/genetics*
  20. Interpretation of mushroom as a common therapeutic agent for Alzheimer's disease and cardiovascular diseases
    Rahman MA, Abdullah N, Aminudin N
    Crit Rev Biotechnol, 2016 Dec;36(6):1131-1142.
    PMID: 26514091
    Alzheimer's disease (AD) and cardiovascular diseases (CVD) share common etiology and preventive strategies. As the population of old-aged people is increasing worldwide, AD complications tend to afflict global healthcare budget and economy heavily. CVD is the prime cause of global mortality and remains a grave threat to both the developed and the developing nations. Mushroom bio-components may be promising in controlling both diseases. Based mainly on in vitro, ex vivo, cell line and animal studies, this review interprets the polypharmaceutic role of mushrooms treating AD and CVD.
    Matched MeSH terms: Alzheimer Disease/therapy*
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