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1.
Geriatr Gerontol Int ; 15(8): 944-50, 2015 Aug.
Article in English | MEDLINE | ID: mdl-25311907

ABSTRACT

AIM: To determine the pattern of utilization of emergency department (ED) services by older patients in Kuala Lumpur, Malaysia, compared with younger patients in the same setting. METHODS: The sociodemographics, clinical characteristics and resource utilization of consecutive patients attending the adult ED at the University Malaya Medical Center were recorded during a typical week. RESULTS: A total of 1649 patients were included in the study; 422/1649 (25.6%) were aged ≥60 years and 1077 (74.4%) were aged <60 years. Older adult patients were more likely to be diagnosed with ischemic heart disease (12.6% vs 2.5%, P < 0.001), and more likely to require investigations such as electrocardiogram (68.1% vs 16.6%, P < 0.001) or chest X-rays (67.6% vs 24.0%, P < 0.001) than their younger counterparts. Logistic regression methods showed that older adults remained an independent predictor of hospital admission (OR 2.75, 95% CI 2.11-3.57). CONCLUSION: The ratio of older adult patients attending our ED over the proportion of older people in the general population was 26:6, which is far higher than reported in previous published studies carried out in other countries. Older ED attenders are also more likely to require investigations, procedures and hospital admissions. With the rapidly aging population in Malaysia, reconfiguration of resources will need to occur at a compatible rate in order to ensure that the healthcare needs of our older adults are met.


Subject(s)
Aging/physiology , Emergency Service, Hospital/statistics & numerical data , Health Resources/economics , Length of Stay , Academic Medical Centers , Adult , Age Factors , Aged , Aged, 80 and over , Cross-Sectional Studies , Developing Countries , Female , Humans , Incidence , Malaysia , Male , Middle Aged , Risk Factors , Sex Factors , Socioeconomic Factors , Urban Population
2.
BMC Med Genet ; 14: 27, 2013 Feb 19.
Article in English | MEDLINE | ID: mdl-23419238

ABSTRACT

BACKGROUND: The incidence of Alzheimer's disease, particularly in developing countries, is expected to increase exponentially as the population ages. Continuing research in this area is essential in order to better understand this disease and develop strategies for treatment and prevention. Genome-wide association studies have identified several loci as genetic risk factors of AD aside from apolipoprotein E such as bridging integrator (BIN1), clusterin (CLU), ATP-binding cassette sub-family A member 7 (ABCA7), complement receptor 1 (CR1) and phosphatidylinositol binding clathrin assembly protein (PICALM). However genetic research in developing countries is often limited by lack of funding and expertise. This study therefore developed and validated a simple, cost effective polymerase chain reaction based technique to determine these single nucleotide polymorphisms. METHODS: An allele-specific PCR method was developed to detect single nucleotide polymorphisms of BIN1 rs744373, CLU rs11136000, ABCA7 rs3764650, CR1 rs3818361 and PICALM rs3851179 in human DNA samples. Allele-specific primers were designed by using appropriate software to permit the PCR amplification only if the nucleotide at the 3'-end of the primer complemented the base at the wild-type or variant-type DNA sample. The primers were then searched for uniqueness using the Basic Local Alignment Search Tool search engine. RESULTS: The assay was tested on a hundred samples and accurately detected the homozygous wild-type, homozygous variant-type and heterozygous of each SNP. Validation was by direct DNA sequencing. CONCLUSION: This method will enable researchers to carry out genetic polymorphism studies for genetic risk factors associated with late-onset Alzheimer's disease (BIN1, CLU, ABCA7, CR1 and PICALM) without the use of expensive instrumentation and reagents.


Subject(s)
Alzheimer Disease/diagnosis , Polymerase Chain Reaction/methods , Polymorphism, Single Nucleotide , Software , Adaptor Proteins, Signal Transducing/genetics , Aged , Aged, 80 and over , Alleles , Alzheimer Disease/genetics , Clusterin/genetics , Female , Genetics, Population/methods , Genome, Human , Genotype , Genotyping Techniques/methods , Humans , Male , Monomeric Clathrin Assembly Proteins/genetics , Nuclear Proteins/genetics , Receptors, Complement 3b/genetics , Reproducibility of Results , Risk Factors , Sensitivity and Specificity , Sequence Alignment , Sequence Analysis, DNA , Tumor Suppressor Proteins/genetics
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