1.Protective Effects of Defatted Dabai Peel Extracts in Hypercholesterolemic Rabbits Based on Histopathological Methods
Hock Eng Khoo ; Azrina Azlan ; Amin Ismail ; Sadek Hassan Al-Sheraji
Malaysian Journal of Medicine and Health Sciences 2015;11(2):59-68
Defatted dabai peel contains a high amount of anthocyanin. Anthocyanins are known to prevent several
types of disease, including cardiovascular-related complications. This study aimed to describe the
effects of different doses of defatted dabai peel extract by histopathological analyses on lesions in the
liver, kidney, heart and aorta. Histopathology methods were applied to determine the protective effects
of defatted dabai peel extracts against hypercholesterolemia-induced oxidative damages to animal
organs. Haematoxylin and eosin staining was applied for histopathology examination for liver, kidney,
heart and aorta. Data showed that a high dose of defatted dabai extract (3000 mg per day) applied to
hypercholesterolemic rabbits for eight weeks had mild protective effect, especially reducing the severity
of hepatic fibrosis and steatosis of the renal medulla. The high dose of extract supplementation also
reduced inflammation of aorta and formation of atherosclerosis plaque in the cell wall of right ventricle
of the heart. The high dose of defatted dabai peel extract could be a protective agent against oxidative
stress.
Anthocyanins
2.Evaluation of Selected Metal Elements in Commercial Drinking Water and Tap Water in Peninsular Malaysia
Hock-Eng Khoo ; Azrina Azlan ; Mohd Aizat Idris ; Amin Ismail ; Muhammad Rizal Razman
Malaysian Journal of Health Sciences 2011;9(1):5-11
The present study was carried out to determine the concentrations of selected metal elements (lead, copper, manganese, zinc and iron) in 51 samples of commercial drinking water and tap water available in Malaysia. The results indicated that low metal elements were found in the studied water samples. Lead, manganese, zinc and iron were not detected in some of the studied samples, except copper. The concentrations of the metal elements in the studied samples were well below the maximum permitted concentrations as recommended. Therefore these drinking water are safe for consumption and do not pose adverse effect to the health of consumers due to metal toxicity.
3.Comparing the nutritional status of vegetarians and non-vegetarians from a Buddhist Organisation in Kuala Lumpur, Malaysia
Wan Ying GAN ; Shirley BOO ; Mei Yee SEIK ; Hock Eng KHOO
Malaysian Journal of Nutrition 2018;24(1):89-101
Introduction: A vegetarian diet is generally considered as healthy for preventing metabolic-related diseases. There is lack of studies in Malaysia comparing the nutritional status of vegetarians and non-vegetarians. This cross-sectional study aims to compare body weight status, dietary intake and blood pressure level between these two groups. Methods: A total of 131 vegetarians and 135 non-vegetarians were recruited using convenience sampling from a Buddhist organisation in Kuala Lumpur. Body weight, height, waist circumference, percentage of body fat, and blood pressure measurements were taken, while dietary intake was assessed using a 2-day 24-hour dietary recall. Results: More vegetarians were underweight than non-vegetarians (31.3% vs 15.6%), while prevalence of overweight and obesity was higher among the non-vegetarians (23.7% vs 9.9%). A higher proportion of nonvegetarians (34.1%) had an unhealthy range of body fat percentage and significantly higher risk of abdominal obesity (24.4%) than the vegetarians (19.1% body fat; 13.7% abdominal obesity). Mean intakes for protein and fat were significantly lower among the vegetarians, while no significant differences were observed in the mean intake for energy and carbohydrate. Vegetarians had significantly higher intakes of vitamins C, D and E, calcium, potassium and folate, while vitamin B12 intake was significantly higher in the non-vegetarians. More non-vegetarians presented with unhealthy blood pressure status. Conclusion: Vegetarians in this study generally showed healthier dietary intake and lower body fatness than the non-vegetarians. Studies are suggested to be undertaken on a bigger sample size of vegetarians to confirm these findings.
4.Singapore Defibrillation Guidelines 2016.
Chun Yue Francis LEE ; Venkataraman ANANTHARAMAN ; Swee Han LIM ; Yih Yng NG ; Tek Siong CHEE ; Chong Meng SEET ; Marcus Eng Hock ONG
Singapore medical journal 2017;58(7):354-359
The most common initial rhythm in a sudden cardiac arrest is ventricular fibrillation or pulseless ventricular tachycardia. This is potentially treatable with defibrillation, especially if provided early. However, any delay in defibrillation will result in a decline in survival. Defibrillation requires coordination with the cardiopulmonary resuscitation component for effective resuscitation. These two components, which form the key links in the chain of survival, have to be brought to the cardiac victim in a timely fashion. An effective chain of survival is needed in both the institution and community settings.
5.Simplified instructional phrasing in dispatcher-assisted cardiopulmonary resuscitation - when 'less is more'.
Philip Weng Kee LEONG ; Benjamin Sieu-Hon LEONG ; Shalini ARULANANDAM ; Marie Xin Ru NG ; Yih Yng NG ; Marcus Eng Hock ONG ; Desmond Ren Hao MAO
Singapore medical journal 2021;62(12):647-652
INTRODUCTION:
In our national emergency dispatch centre, the standard protocol for dispatcher-assisted cardiopulmonary resuscitation (DACPR) in out-of-hospital cardiac arrests (OHCAs) involves the instruction 'push 100 times a minute 5 cm deep'. As part of quality improvement, the instruction was simplified to 'push hard and fast'.
METHODS:
We analysed all dispatcher-diagnosed OHCAs over four months in 2018: January to February ('push 100 times a minute 5 cm deep') and August to September ('push hard and fast'). We also performed secondary per-protocol analysis based on the protocol used: (a) standard (n = 48); (b) simplified (n = 227); and (c) own words (n = 231).
RESULTS:
A total of 506 cases were included: 282 in the 'before' group and 224 in the 'after' group. Adherence to the protocol was 15.2% in the 'before' phase and 72.8% in the 'after' phase (p < 0.001). The mean time between instruction and first compression for the 'before' and 'after' groups was 34.36 seconds and 26.83 seconds, respectively (p < 0.001). Time to first compression was 238.62 seconds and 218.83 seconds in the 'before' and 'after' groups, respectively (p = 0.016). In the per-protocol analysis, the interval between instruction and compression was 37.19 seconds, 28.31 seconds and 32.40 seconds in the standard protocol, simplified protocol and 'own words' groups, respectively (p = 0.005). The need for paraphrasing was 60.4% in the standard protocol group and 81.5% in the simplified group (p < 0.001).
CONCLUSION
Simplified instructions were associated with a shorter interval between instruction and first compression. Efforts should be directed at simplifying DACPR instructions.
6.Therapeutic temperature management (TTM): post-resuscitation care for adult cardiac arrest, with recommendations from the National TTM Workgroup.
Siew Hon Benjamin LEONG ; Enoch CHAN ; Benjamin Choon Heng HO ; Colin YEO ; Sennen LEW ; Duu Wen SEWA ; Shir Lynn LIM ; Chee Wan LEE ; Pow Li CHIA ; Tien Siang Eric LIM ; Eng Kiang LEE ; Marcus Eng Hock ONG
Singapore medical journal 2017;58(7):408-410
Therapeutic temperature management (TTM) was strongly recommended by the 2015 International Liaison Committee on Resuscitation as a component of post-resuscitation care. It has been known to be effective in improving the survival rate and neurologic functional outcome of patients after cardiac arrest. In an effort to increase local adoption of TTM as a standard of post-resuscitation care, this paper discusses and makes recommendations on the treatment for local providers.
7.Prompt use of mechanical cardiopulmonary resuscitation in out-of-hospital cardiac arrest: the MECCA study report.
Venkataraman ANANTHARAMAN ; Boon Lui Benjamin NG ; Shiang Hu ANG ; Chun Yue Francis LEE ; Siew Hon Benjamin LEONG ; Marcus Eng Hock ONG ; Siang Jin Terrance CHUA ; Antony Charles RABIND ; Nagaraj Baglody ANJALI ; Ying HAO
Singapore medical journal 2017;58(7):424-431
INTRODUCTIONEarly use of mechanical cardiopulmonary resuscitation (CPR) for out-of-hospital cardiac arrest (OHCA) may improve survival outcomes. Current evidence for such devices uses outcomes from an intention-to-treat (ITT) perspective. We aimed to determine whether early use of mechanical CPR using a LUCAS 2 device results in better outcomes.
METHODSA prospective, randomised, multicentre study was conducted over one year with LUCAS 2 devices in 14 ambulances and manual CPR in 32 ambulances to manage OHCA. The primary outcome was return of spontaneous circulation (ROSC). Secondary outcomes were survival at 24 hours, discharge from hospital and 30 days.
RESULTSOf the 1,274 patients recruited, 1,191 were eligible for analysis. 889 had manual CPR and 302 had LUCAS CPR. From an ITT perspective, outcomes for manual and LUCAS CPR were: ROSC 29.2% and 31.1% (odds ratio [OR] 1.09, 95% confidence interval [CI] 0.82-1.45; p = 0.537); 24-hour survival 11.2% and 13.2% (OR 1.20, 95% CI 0.81-1.78; p = 0.352); survival to discharge 3.6% and 4.3% (OR 1.20, 95% CI 0.62-2.33; p = 0.579); and 30-day survival 3.0% and 4.0% (OR 1.32, 95% CI 0.66-2.64; p = 0.430), respectively. By as-treated analysis, outcomes for manual, early LUCAS and late LUCAS CPR were: ROSC 28.0%, 36.9% and 24.5%; 24-hour survival 10.6%, 15.5% and 8.2%; survival to discharge 2.9%, 5.8% and 2.0%; and 30-day survival 2.4%, 5.8% and 0.0%, respectively. Adjusted OR for survival with early LUCAS vs. manual CPR was 1.47 after adjustment for other variables (p = 0.026).
CONCLUSIONThis study showed a survival benefit with LUCAS CPR as compared to manual CPR only, when the device was applied early on-site.