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Fulltext Peak expiratory flow rate in elderly Malaysians

Srinivas P, Chia YC, Poi PJH, Ebrahim S

Med J Malaysia, 1999 Mar;54(1):11-21.
PMID: 10971999

An epidemiological survey was conducted among 1,414 healthy ambulatory elderly persons aged 55 years and above in the Kuala Langat district, Selangor. The relationship between peak expiratory flow rate (PEFR), demographic variables, socioeconomic status, smoking, alcohol use and respiratory symptoms were examined. The peak expiratory flow declined with age and were lower in women of all ages. Smoking had a modest effect on PEFR in men but not on PEFR in women. The combination of respiratory symptoms of cough, phlegm and wheeze were related to lower PEFR values. Prediction equations are presented derived from the population sample which may be of assistance in assessing observed to expected ratios among elderly people in Malaysia.
Fulltext The prevalence of diabetic peripheral neuropathy in an outpatient setting

Mimi O, Teng CL, Chia YC

Med J Malaysia, 2003 Oct;58(4):533-8.
PMID: 15190629

This study was undertaken to clinically estimate the prevalence of diabetic peripheral neuropathy amongst patients attending an outpatient clinic and to evaluate their risk factors for developing peripheral neuropathy. It was a cross-sectional study of 134 diabetes mellitus patients who attended the Primary Care Clinic, University Hospital, Kuala Lumpur. The patients were interviewed for their demographic data, past and present medical/surgical history, social history, personal habits and symptoms of peripheral neuropathy. Foot examination and clinical neurological tests were conducted and the presence of peripheral neuropathy was assessed. The main outcome measures were the Neuropathy Symptom Score and the Neuropathy Disability Score. The prevalence of diabetic peripheral neuropathy was found to be 50.7%. Peripheral neuropathy was related to the age of the patient and the duration of diabetes but did not seem to be significantly related to diabetic control. To conclude, there was a high prevalence of peripheral neuropathy amongst the diabetics in this study. These patients developed peripheral neuropathy at a younger age and shorter duration of diabetes compared to a similar study that was done in the UK.
Study site: Primary care clinc, University Malaya Medical Centre (UMMC), Kuala Lumpur, Malaysia
Assessing 10-Year Cardiovascular Disease Risk in Malaysians With Type 2 Diabetes Mellitus: Framingham Cardiovascular Versus United Kingdom Prospective Diabetes Study Equations

Yew SQ, Chia YC, Theodorakis M

Asia Pac J Public Health, 2019 10;31(7):622-632.
PMID: 31535566 DOI: 10.1177/1010539519873487

In this study, we evaluated the performance of the Framingham cardiovascular disease (CVD) and the United Kingdom Prospective Diabetes Study (UKPDS) risk equations to predict the 10-year CVD risk among type 2 diabetes mellitus (T2DM) patients in Malaysia. T2DM patients (n = 660) were randomly selected, and their 10-year CVD risk was calculated using both the Framingham CVD and UKPDS risk equations. The performance of both equations was analyzed using discrimination and calibration analyses. The Framingham CVD, UKPDS coronary heart disease (CHD), UKPDS Fatal CHD, and UKPDS Stroke equations have moderate discrimination (area under the receiver operating characteristic [aROC] curve = 0.594-0.709). The UKPDS Fatal Stroke demonstrated a good discrimination (aROC curve = 0.841). The Framingham CVD, UKPDS Stroke, and UKPDS Fatal Stroke equations showed good calibration (P = .129 to .710), while the UKPDS CHD and UKPDS Fatal CHD are poorly calibrated (P = .035; P = .036). The UKPDS is a better prediction equation of the 10-year CVD risk among T2DM patients compared with the Framingham CVD equation.
Long term visit-to-visit variability of systolic blood pressure and cardiovascular disease events in a primary care setting: a 10-year retrospective cohort study [Abstract OS 04-05]

Ching SM, Chia YC, Lim HM

J Hypertens, 2016 Sep;34 Suppl 1 - ISH 2016 Abstract Book:e56.
PMID: 27753921

Conference abstract:
OBJECTIVE: This study aims to determine the relationship of long term visit to visit variability (VVV) of SBP and cardiovascular disease (CVD) in a primary care setting.
DESIGN AND METHOD: This is a retrospective study of a cohort of 1416 patients over a period of 10 years (1998-2007). Demographic data, three monthly clinic BP readings and CVD events were captured from patient records. We derived the mean BP and VVV of SBPs for each subject and divided them into three groups defined as non hypertension, developed hypertension along the 10-year follow-up and persistent hypertension. We examined differences in cardiovascular events across these groups.
RESULTS: Mean age of the participants at baseline was 56.5 ± 10.1 years, 34.6% were males. Table 1 describes mean SBP, BPV and CVD events of the study population.Those with both low mean SBP and low BPV have the lowest CVD events, conversely those with both high mean SBP and high BPV have highest CVD events. In those patients with the same mean SBP, whether high or low, those with higher BPV have more events than those with lower BPV. However patients with low mean SBP but high BPV have more CVD events compared with those patients with high mean SBP but low BPV (p = 0.04) suggesting BPV is more important than mean SBP in causing CVD events.We used ROC of VVV SBP to identify the cut off point of 12.9 mmHg as the indicator for increase in CVD events.
CONCLUSIONS: In our study, we found that patients with hypertension have higher BPV than normotensive subjects. Furthermore those with higher BPV also had more CVD events. As such, we should prioritize lowering not only mean systolic BP but lowering BPV as well. Long term VVV SBP should be another target in the management of patients with hypertension.
Long-term visit-to-visit variability of systolic blood pressure and decline in renal function in hypertensive patients over 15 years [Abstract OS 37-05]

Lim HM, Chia YC, Ching SM

J Hypertens, 2016 Sep;34 Suppl 1 - ISH 2016 Abstract Book:e406.
PMID: 27754262

Conference abstract:
We aim to examine the relationship between visit-to-visit systolic blood pressure variability (BPV) and decline in renal function in patients with hypertension and determine the level of systolic BPV that contribute to significant renal function decline.
Number of blood pressure measurements needed to estimate long term visit-to-visit systolic blood pressure variability for predicting 10-year cardiovascular risk [Abstract OS 14-04]

Lim HM, Chia YC, Ching SM

J Hypertens, 2016 Sep;34 Suppl 1 - ISH 2016 Abstract Book:e212-e213.
PMID: 27754047 DOI: 10.1097/01.hjh.0000500462.09000.21

Conference abstract:
OBJECTIVE: To determine the minimum number and duration of blood pressure(BP) measurement needed to estimate long term visit-to-visit blood pressure variability (BPV) for predicting 10-year cardiovascular (CV) risk.
DESIGN AND METHOD: This is a 10-year retrospective cohort study of 1403 patients from a primary care clinic. Three monthly BP readings per year were retrieved from 10 years of clinic visits. Standard deviation (SD) of systolic blood pressure (SBP) was used as a measure of BPV. SD was calculated for each cumulative year of readings. CV events defined as fatal and nonfatal coronary heart disease and fatal and nonfatal stroke. We used Pearson's correlation to examine the concordance between the SD of each additional year of follow-up and SD at the end of 10 years. Multiple logistic regression was used to estimate the CV risk and compare the odd ratio (OR) between 10-year SD and SD of each additional year of follow-up.
RESULTS: Mean SD increased with more SBP measurements for each increasing year. Pearson's correlation increased with the years of SBP measurements indicating increasing concordance with 10-year SD when more years of SBP readings was included from the baseline. With 10-year SD, the OR for CV risk was associated with an increase in SD (OR 1.121, 95% CI 1.057-1.188, p
Visit-to-visit SBP variability and cardiovascular disease in a multiethnic primary care setting: 10-year retrospective cohort study

Chia YC, Ching SM, Lim HM

J Hypertens, 2017 05;35 Suppl 1:S50-S56.
PMID: 28350621 DOI: 10.1097/HJH.0000000000001333

OBJECTIVES: The current study aims to determine the relationship of long-term visit-to-visit variability of SBP to cardiovascular disease (CVD) in a multiethnic primary care setting.
METHOD: This is a retrospective study of a cohort of 807 hypertensive patients over a period of 10 years. Three-monthly clinic blood pressure readings were used to derive blood pressure variability (BPV), and CVD events were captured from patient records.
RESULTS: Mean age at baseline was 57.2 ± 9.8 years with 63.3% being women. The BPV and mean SBP over 10 years were 14.7 ± 3.5 and 142 ± 8 mmHg, respectively. Prevalence of cardiovascular event was 13%. In multivariate logistic regression analysis, BPV was the predictor of CVD events, whereas the mean SBP was not independently associated with cardiovascular events in this population. Those with lower SBP and lower BPV had fewer cardiovascular events than those with the same low mean SBP but higher BPV (10.5 versus 12.8%). Similarly those with higher mean SBP but lower BPV also had fewer cardiovascular events than those with the same high mean and higher BPV (11.6 versus 16.7%). Other variables like being men, diabetes and Indian compared with Chinese are more likely to be associated with cardiovascular events.
CONCLUSION: BPV is associated with an increase in CVD events even in those who have achieved lower mean SBP. Thus, we should prioritize not only control of SBP levels but also BPV to reduce CVD events further.
Performance of the Finnish Diabetes Risk Score (FINDRISC) and Modified Asian FINDRISC (ModAsian FINDRISC) for screening of undiagnosed type 2 diabetes mellitus and dysglycaemia in primary care

Lim HM, Chia YC, Koay ZL

Prim Care Diabetes, 2020 10;14(5):494-500.
PMID: 32156516 DOI: 10.1016/j.pcd.2020.02.008

AIMS: To evaluate the performance of FINDRISC and ModAsian FINDRISC for the screening of undiagnosed diabetes and dysglycaemia in primary care. To compare the performance of FINDRISC with the recommendations of the American Diabetes Association (ADA) and US Preventive Services Task Force (USPSTF) guidelines.
METHODS: This cross-sectional study was carried out on 293 patients without a prior history of diabetes at a primary care clinic in Malaysia. Questions on body mass index and waist circumference were modified based on the Asian standard in ModAsian FINDRISC. Haemoglobin A1c of ≥6.5% (48 mmol/mol) was used to diagnose diabetes. Areas under the receiver operating curve (ROC-AUC) for FINDRISC and ModAsian FINDRISC were analyzed.
RESULTS: The prevalence of undiagnosed diabetes was 7.5% and prediabetes was 32.8%. The ROC-AUC of FINDRISC was 0.76 (undiagnosed diabetes) and 0.79 (dysglycaemia). There was no statistical difference between FINDRISC and ModAsian FINDRISC. The recommended optimal FINDRISC cut-off point for undiagnosed diabetes was ≥11 (Sensitivity 86.4%, Specificity 48.7%). FINDRISC ≥11 point has higher sensitivity compared to USPSTF criteria (72.7%) and higher specificity compared to the ADA (9.6%).
CONCLUSIONS: FINDRISC is a useful diabetes screening tool to identify those at risk of diabetes in primary care in Malaysia.
Fulltext Delay in diagnosis of lung cancer: a case report

Ching SM, Chia YC, Cheong AT

Pertanika Journal of Science & Technology, 2014;22(2):587-592.
MyJurnal

This case report highlights delay in the diagnosis of adenoma carcinoma of the lung in a female patient who has never smoked. It took three months to reach the diagnosis of stage IV lung carcinoma despite the presence of symptoms and an abnormal chest radiograph finding from the beginning. The clinical characteristics and predictors of missed opportunities for an early diagnosis of lung cancer are discussed. In this case, patient and doctor factors contributed to the delay in diagnosis. Thus, early suspicions of lung cancer in a woman with the presence of respiratory symptoms despite being a non-smoker are important in primary care setting.
Fulltext Accuracy of urinalysis in detection of urinary tract infection in a primary care setting

Othman S, Chia YC, Ng CJ

Asia Pac Fam Med, 2003;2(4):206-212.

Aim: To determine the accuracy of urinalysis in the detection of urinary tract infection (UTI) in symptomatic patients at primary care level. Methods: A cross sectional study was undertaken on 100 patients with symptoms of UTI presenting at the Primary Care Clinic of University Malaya Medical Center, Kuala Lumpur, Malaysia during the months of August to November 1999. Their urine samples were tested simultaneously using urine dipstick, urine microscopy and urine culture. Urine culture was used as the gold standard and UTI was diagnosed when the urine culture showed a bacteria count of >= 105 organisms per mL. The sensitivity and specificity of each test was calculated. Results: The prevalence of UTI was 25% in symptomatic patients. The urine dipstick for leukocyte esterase, nitrite and red blood cell had sensitivities of 76, 56 and 76%, respectively. Their specificities were 60, 81 and 61%, respectively. Urine microscopy for leukocytes, red blood cells and bacterial count had sensitivities of 80, 52 and 84%, while their specificities were 76, 80 and 54%, respectively. Conclusion: The prevalence of UTI in the present study was low despite reported symptoms of UTI. Urinalysis is needed to support the diagnosis of UTI. In the present study, while there is accuracy in the urinalysis (as the sensitivities and specificities of various tests are comparable with other studies); lack of precision in each test because of the wide range of 95% confidence interval make it less reliable. Caution should be made in interpreting each test.
Fulltext Goals, beliefs, knowledge, and barriers for diabetes self-care in a multi-ethnic population in Malaysia: A qualitative study

Neblett RS, Chia YC, Abdullah N, Ablah E

Med J Malaysia, 2019 12;74(6):483-491.
PMID: 31929473

INTRODUCTION: Ethnic differences may influence diabetes selfcare practices and glycaemic control among people with type 2 diabetes mellitus. This qualitative study explored goals, beliefs about treatment effectiveness, knowledge, and barriers to and facilitators for diabetes self-care among the three main ethnic groups in Malaysia.

METHODS: Patient focus group discussions were conducted in three different ethnic groups: Malays, Chinese, and Indians. Participants were recruited from the primary-care clinic of a university medical centre located in an urban area. Focus group discussions were audio-recorded, transcribed, and analysed using a thematic approach.

RESULTS: A total of 31 patients participated in the study: Malays (n=12), Indians (n=10), and Chinese (n=9). There were three sessions for each ethnic group. Reported goals primarily related to quality of life and glycaemic control. Participants expressed the belief that the combination of diet, exercise, and medications is effective for controlling diabetes. Groups described their obtaining information external to a healthcare system and reported a need for more specific, practical counselling from health professionals on diet, exercise, and medications. Barriers to and facilitators for diabetes self-care practices were categorised into three major themes: having discipline, social habits, and "other" themes.

CONCLUSION: Emerging themes were similar across the ethnic groups and included quality-of-life goals, confidence in combination treatment, common use of complementary and alternative medicine, need for further counselling, and the challenge regarding self-discipline.
Long-Term Visit-to-Visit Blood Pressure Variability and Renal Function Decline in Patients With Hypertension Over 15 Years

Chia YC, Lim HM, Ching SM

J Am Heart Assoc, 2016 11 07;5(11).
PMID: 27821404

BACKGROUND: Visit-to-visit variability of systolic blood pressure (SBP) has been shown to contribute to cardiovascular events and all-cause mortality. However, little is known about its long-term effect on renal function. We aim to examine the relationship between visit-to-visit blood pressure variability (BPV) and decline in renal function in patients with hypertension and to determine the level of systolic BPV that is associated with significant renal function decline.
METHODS AND RESULTS: This is a 15-year retrospective cohort study of 825 hypertensive patients. Blood pressure readings every 3 months were retrieved from the 15 years of clinic visits. We used SD and coefficient of variation as a measure of systolic BPV. Serum creatinine was captured and estimated glomerular filtration rate was calculated at baseline, 5, 10, and 15 years. The mean SD of SBP was 14.2±3.1 mm Hg and coefficient of variation of SBP was 10.2±2%. Mean for estimated glomerular filtration rate slope was -1.0±1.5 mL/min per 1.73 m2 per year. There was a significant relationship between BPV and slope of estimated glomerular filtration rate (SD: r=-0.16, P<0.001; coefficient of variation: r=-0.14, P<0.001, Pearson's correlation). BPV of SBP for each individual was significantly associated with slope of estimated glomerular filtration rate after adjustment for mean SBP and other confounders. The cutoff values estimated by the receiver operating characteristic curve for the onset of chronic kidney disease for SD of SBP was 13.5 mm Hg and coefficient of variation of SBP was 9.74%.
CONCLUSIONS: Long-term visit-to-visit variability of SBP is an independent determinant of renal deterioration in patients with hypertension. Hence, every effort should be made to reduce BPV in order to slow down the decline of renal function.
Fulltext Does religious affiliation influence glycaemic control in primary care patients with type 2 diabetes mellitus?

Chew BH, Khoo EM, Chia YC

Ment Health Fam Med, 2011 Mar;8(1):21-8.
PMID: 22479289

Background To determine the relationships between religiosity, religions and glycaemic control of type 2 diabetes mellitus (T2D).Methods This is a cross-sectional study conducted at an urban, university-based, teaching outpatient clinic. Religiosity was assessed with the Beliefs and Values Scale (BV), which contains 20 items each with a Likert scale of five possible responses. The range of scores is 0 to 80, with a higher score indicating stronger religious belief. Glycaemic control was taken as the mean value of the latest three fasting plasma glucose (FPG) levels and HbA1c readings documented in each patient's case records.Results A total of 212 patients participated (a response rate of 79%). Two-thirds were female, mean age was 62.7 (SD 10.8) years and mean duration of T2D was 11.7 (SD 6.7) years. The mean BV score was 57.4 (SD 10.97, CI 55.9, 59.0). Religiosity had a negative correlation with lower FPG (r = -0.15, p = 0.041) but no such correlation was found with HbA1c. Moslem religiosity had a significant negative correlation with HbA1c (r = -0.34, p = 0.007, n = 61) even after controlling for covariates. Christians and non-religious group had significantly lower mean rank HbA1c than other religions (p = 0.042).Conclusions Those with higher religiosity amongst the Moslem population had significantly better glycaemic control. Patients who had church-going religions had better glycaemic control compared with those of other religions.

Study site: UMMC, a university based primary care clinic
Fulltext Validation of the pooled cohort risk score in an Asian population - a retrospective cohort study

Chia YC, Lim HM, Ching SM

BMC Cardiovasc Disord, 2014 Nov 20;14:163.
PMID: 25410585 DOI: 10.1186/1471-2261-14-163

BACKGROUND: The Pooled Cohort Risk Equation was introduced by the American College of Cardiology (ACC) and American Heart Association (AHA) 2013 in their Blood Cholesterol Guideline to estimate the 10-year atherosclerotic cardiovascular disease (ASCVD) risk. However, absence of Asian ethnicity in the contemporary cohorts and limited studies to examine the use of the risk score limit the applicability of the equation in an Asian population. This study examines the validity of the pooled cohort risk score in a primary care setting and compares the cardiovascular risk using both the pooled cohort risk score and the Framingham General Cardiovascular Disease (CVD) risk score.
METHODS: This is a 10-year retrospective cohort study of randomly selected patients aged 40-79 years. Baseline demographic data, co-morbidities and cardiovascular (CV) risk parameters were captured from patient records in 1998. Pooled cohort risk score and Framingham General CVD risk score for each patient were computed. All ASCVD events (nonfatal myocardial infarction, coronary heart disease (CHD) death, fatal and nonfatal stroke) occurring from 1998-2007 were recorded.
RESULTS: A total of 922 patients were studied. In 1998, mean age was 57.5 ± 8.8 years with 66.7% female. There were 47% diabetic patients and 59.9% patients receiving anti-hypertensive treatment. More than 98% of patients with pooled cohort risk score ≥7.5% had FRS >10%. A total of 45 CVD events occurred, 22 (7.2%) in males and 23 (3.7%) in females. The median pooled cohort risk score for the population was 10.1 (IQR 4.7-20.6) while the actual ASCVD events that occurred was 4.9% (45/922). Our study showed moderate discrimination with AUC of 0.63. There was good calibration with Hosmer-Lemeshow test χ2 = 12.6, P = 0.12.
CONCLUSIONS: The pooled cohort risk score appears to overestimate CV risk but this apparent over-prediction could be a result of treatment. In the absence of a validated score in an untreated population, the pooled cohort risk score appears to be appropriate for use in a primary care setting.
Fulltext Does use of pooled cohort risk score overestimate the use of statin?: a retrospective cohort study in a primary care setting

Chia YC, Lim HM, Ching SM

BMC Fam Pract, 2014;15:172.
PMID: 25388219 DOI: 10.1186/s12875-014-0172-y

BACKGROUND: Initiation of statin therapy as primary prevention particularly in those with mildly elevated cardiovascular disease risk factors is still being debated. The 2013 ACC/AHA blood cholesterol guideline recommends initiation of statin by estimating the 10-year atherosclerotic cardiovascular disease (ASCVD) risk using the new pooled cohort risk score. This paper examines the use of the pooled cohort risk score and compares it to actual use of statins in daily clinical practice in a primary care setting.
METHODS: We examined the use of statins in a randomly selected sample of patients in a primary care clinic. The demographic data and cardiovascular risk parameters were captured from patient records in 1998. The pooled cohort risk score was calculated based on the parameters in 1998. The use of statins in 1998 and 2007, a 10-year interval, was recorded.
RESULTS: A total of 847 patients were entered into the analysis. Mean age of the patients was 57.2 ± 8.4 years and 33.1% were male. The use of statins in 1998 was only 10.2% (n = 86) as compared to 67.5% (n = 572) in 2007. For patients with LDL 70-189 mg/dl and estimated 10-year ASCVD risk ≥7.5% (n = 190), 60% (n = 114) of patients were on statin therapy by 2007. There were 124 patients in whom statin therapy was not recommended according to ACC/AHA guideline but were actually receiving statin therapy.
CONCLUSIONS: An extra 40% of patients need to be treated with statin if the 2013 ACC/AHA blood cholesterol guideline is used. However the absolute number of patients who needed to be treated based on the ACC/AHA guideline is lower than the number of patients actually receiving it in a daily clinical practice. The pooled cohort risk score does not increase the absolute number of patients who are actually treated with statins. However these findings and the use of the pooled cohort risk score need to be validated further.
Study site: Primary care clinic, University Malaya Medical Centre (UMMC), Kuala Lumpur, Malaysia
Prevalence and determinants of left ventricular hypertrophy in hypertensive patients at a primary care clinic

Ching S, Chia Y, Wan Azman W

Malays Fam Physician, 2012;7(2-3):2-9.
PMID: 25606250 MyJurnal

Left ventricular hypertrophy (LVH) has prognostic significance on cardiovascular mortality and morbidity. However, echocardiography screening for LVH is not routinely done for hypertensive patients in a primary care setting. Thus, this quantitative study aims to determine the prevalence and factors associated with LVH in hypertensive patients at a primary care setting. This was a cross-sectional study of 359 consecutive patients with uncomplicated essential hypertension attending a hospital-based clinic in Malaysia. All subjects underwent an echocardiography test. LVH occur when the left ventricular posterior wall thickness together with inter-ventricular septal thickness is ≥11 mm. It was found that 24% patients fulfilled the criteria for LVH. The mean age of the study population was 59.2±7.7 years; mean duration of hypertension was 9.7±7.5 years; and mean blood pressure was 136.5/81.5 (±13.7/7.7) mmHg. Using multiple logistic regression analysis, patients who were obese [odds ratio (OR) 8.34, 95% confidence interval (CI) 3.14, 22.22] and male gender (OR 1.96, 95% CI 1.08, 3.16) had significant positive association with LVH. LVH was found in approximately one fourth of the hypertensive patients at a hospital-based primary care setting. There was a significant positive association between LVH and obesity and being male. Guidelines for enhancing use of echocardiography in detecting LVH may be needed.
Cost-effectiveness of and satisfaction with a Helicobacter pylori "test and treat" strategy compared with prompt endoscopy in young Asians with dyspepsia

Mahadeva S, Chia YC, Vinothini A, Mohazmi M, Goh KL

Gut, 2008 Sep;57(9):1214-20.
PMID: 18441005 DOI: 10.1136/gut.2007.147728

To compare a Helicobacter pylori "test and treat" strategy with prompt endoscopy in young Asians with dyspepsia.
Factors influencing parental decision to consult for children with upper respiratory tract infection

Ng CJ, Chia YC, Teng CL, Hanafi NS

J Paediatr Child Health, 2008 Apr;44(4):208-13.
PMID: 17999669 DOI: 10.1111/j.1440-1754.2007.01249.x

AIM: This study aimed to determine which factors could influence (i) parents' decision to seek medical consultatin and (ii) their preference for either public or private medical service in children with upper respiratory tract infection.
METHODS: This cross-sectional study was conducted at the Gombak district, which is an urban area in Malaysia. We randomly selected parents of kindergarten children aged 4-5 years to participate in this questionnaire survey. The main outcome measures were predictors of early medical consultation and type of service utilisation (public versus private).
RESULTS: We achieved a response rate of 84.5% (n = 1033/1223). 64.1% sought early medical consultation and 70.9% preferred to consult a private doctor. Early consultation was predicated by the parent gender being male (OR 1.50; 95% CI 1.09, 2.05), non-Chinese (OR 1.75%; 95% CI 1.10, 2.79), and those who preferred child specialists (OR 2.02; 95% CI 1.27, 3.23). Lower income group (OR 4.28; 95% CI 2.30, 7.95) and not having a regular doctor (OR 4.99%; 95% CI 3.19, 7.80) were predictors of using the public health services.
CONCLUSIONS: Parent's gender, ethnicity and income influenced their decision to seek early medical consultation for their children's respiratory illness while income and having a regular doctor could predict their choice of healthcare services.
Fulltext A profile of hypertension among rural elderly Malaysians

Srinivas P, Wong KS, Chia YC, Poi PJ, Ebrahim S

Southeast Asian J. Trop. Med. Public Health, 1998 Dec;29(4):821-6.
PMID: 10772571

The main objective of this study was to survey the prevalence of hypertension in Malaysians aged 55 years and above who responded to a public health screening campaign in Kuala Langat district, Selangor, Malaysia. The relationship between the detection, treatment and control in the study population was also examined. An epidemiological survey of the elderly was conducted in Kuala Langat, a rural district in Malaysia for a consecutive period of six weeks. The survey was conducted using a standardized questionnaire and interview by trained research assistants. The medical students and nurses were trained on the correct protocol of measuring blood pressure based on the recommendations of the British Hypertension Society. Newly detected persons with blood pressure readings 160/95 mmHg and above, were given a green card to return to the nearest health center for a further 2 visits to check his/her blood pressure. A total of 1,392 people with a mean age of 65 years and comprising of 53.1% males and 46.9% females responded to the health survey. Based on the history 335 (24.1%) of the respondents were known hypertensives and 82.1% of this hypertensive group were on regular treatment. However good control of hypertension was achieved only in 161 (48.1%) of them. Newly detected hypertension was found in 204 (14.6%) of the respondents. The overall prevalence of hypertension in our sample of respondents was 25.6%. There was no significant difference between the sexes and the races in terms of their detection, treatment and control. However there was a significant difference between the persons aged less than 65 years of age and those older than 65 years. There was a large proportion of previously known hypertensives among the survey population. Of those detected, not all were on regular medications and the majority on medications were not well controlled. Education of the public through intensive public health campaigns is vital to improve their knowledge on hypertension and the need for effective control. More community studies are needed to formulate better methods in the detection, treatment and control of hypertension.
Fulltext Massive open online courses (MOOCs) for continuing medical education - why and how?

Setia S, Tay JC, Chia YC, Subramaniam K

Adv Med Educ Pract, 2019;10:805-812.
PMID: 31572042 DOI: 10.2147/AMEP.S219104

Continuing medical education (CME) is meant to not only improve clinicians' knowledge and skills but also lead to better patient care processes and outcomes. The delivery of CME should be able to encourage the health providers to accept new evidence-based practices, and discard or discontinue less effective care. However, continuing use of expensive yet least effective and inappropriate tools and techniques predominates for CME delivery. Hence, the evidence shows a disconnect between evidence-based recommendations and real-world practice - borne out by less than optimal patient outcomes or treatment targets not being met especially in low- to middle-income countries. There is an ethical and professional obligation on CME-providers and decision-makers to safeguard that CME interventions are appraised not only for their quality and effectiveness but also for cost-effectiveness. The process of learning needs to be engaging, convenient, user-friendly and of minimal cost, especially where it is most needed. Today's technology permits these characteristics to be integrated, along with further enhancement of the engagement process. We review the literature on the mechanics of CME learning that utilizes today's technology tools and propose a framework for more engaging, efficient and cost-effective approach that implements massive open online courses for CME, adapted for the twenty-first century.

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