155 results on '"Chow, C.K."'
Search Results
2. Sex-related Disparity in Bystander Response and Survival Outcomes for Out-of-hospital Cardiac Arrest (OHCA) in New South Wales (NSW), Australia
- Author
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Munot S, S., primary, Bray, J.E., additional, Redfern, J., additional, Bauman, A., additional, Marschner, S., additional, Semsarian, C., additional, Denniss, A.R., additional, Coggins, A.R., additional, Middleton, P.M., additional, Jennings, G., additional, Angell, B., additional, Kumar, S., additional, Kovoor, P., additional, Lai, K., additional, Vukasovic, M., additional, Nelson, M., additional, Oppermann, I., additional, and Chow, C.K., additional
- Published
- 2023
- Full Text
- View/download PDF
3. Clinical Guidelines on Hyperlipidaemia: Recent Developments, Future Challenges and the Need for an Australian Review
- Author
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Sullivan, D.R., Watts, G.F., Nicholls, S.J., Barter, P., Grenfell, R., Chow, C.K., Tonkin, A., and Keech, A.
- Published
- 2015
- Full Text
- View/download PDF
4. Triple Therapy Prevention of Recurrent Intracerebral Disease Events Trial: Rationale, design and progress
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Anderson, C.S, Rodgers, A., Silva, H.A. de, Martins, S.O., Klijn, C.J.M., Senanayake, B., Freed, R., Billot, L., Arima, H., Thang, N.H., Zaidi, W.A.W., Kherkheulidze, T., Wahab, K., Fisher, U., Lee, Theo A.J. van der, Chen, C, Pontes-Neto, O., Robinson, T., Wang, Jiaguang, Naismith, S., Song, Lili, Schreuder, F.H.B.M., Lindley, R.I., Woodward, M., MacMahon, S, Salman, R.A., Chow, C.K., Chalmers, J., Anderson, C.S, Rodgers, A., Silva, H.A. de, Martins, S.O., Klijn, C.J.M., Senanayake, B., Freed, R., Billot, L., Arima, H., Thang, N.H., Zaidi, W.A.W., Kherkheulidze, T., Wahab, K., Fisher, U., Lee, Theo A.J. van der, Chen, C, Pontes-Neto, O., Robinson, T., Wang, Jiaguang, Naismith, S., Song, Lili, Schreuder, F.H.B.M., Lindley, R.I., Woodward, M., MacMahon, S, Salman, R.A., Chow, C.K., and Chalmers, J.
- Abstract
Item does not contain fulltext, BACKGROUND: Patients who suffer intracerebral hemorrhage (ICH) are at very high risk of recurrent ICH and other serious cardiovascular events. A single-pill combination (SPC) of blood pressure (BP) lowering drugs offers a potentially powerful but simple strategy to optimize secondary prevention. OBJECTIVES: The Triple Therapy Prevention of Recurrent Intracerebral Disease Events Trial (TRIDENT) aims to determine the effects of a novel SPC "Triple Pill," three generic antihypertensive drugs with demonstrated efficacy and complementary mechanisms of action at half standard dose (telmisartan 20 mg, amlodipine 2.5 mg, and indapamide 1.25 mg), with placebo for the prevention of recurrent stroke, cardiovascular events, and cognitive impairment after ICH. DESIGN: An international, double-blind, placebo-controlled, randomized trial in adults with ICH and mild-moderate hypertension (systolic BP: 130-160 mmHg), who are not taking any Triple Pill component drug at greater than half-dose. A total of 1500 randomized patients provide 90% power to detect a hazard ratio of 0.5, over an average follow-up of 3 years, according to a total primary event rate (any stroke) of 12% in the control arm and other assumptions. Secondary outcomes include recurrent ICH, cardiovascular events, and safety. RESULTS: Recruitment started 28 September 2017. Up to 31 October 2021, 821 patients were randomized at 54 active sites in 10 countries. Triple Pill adherence after 30 months is 86%. The required sample size should be achieved by 2024. CONCLUSION: Low-dose Triple Pill BP lowering could improve long-term outcome from ICH.
- Published
- 2022
5. Simulation–optimization of solar–thermal refrigeration systems for office use in subtropical Hong Kong
- Author
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Fong, K.F., Lee, C.K., Chow, C.K., and Yuen, S.Y.
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- 2011
- Full Text
- View/download PDF
6. Integrated Guidance for Enhancing the Care of Familial Hypercholesterolaemia in Australia.
- Author
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Hamilton-Craig I., Pang J., Ademi Z., Ardill J.J., Barnett W., Bates T.R., Beilin L.J., Bishop W., Black J.A., Brett P., Brown A., Burnett J.R., Bursill C.A., Colley A., Clifton P.M., Ekinci E.I., Elias L., Figtree G.A., Forge B.H., Garton-Smith J., Graham D.F., Hamilton-Craig C.R., Heal C., Hespe C.M., Hooper A.J., Howes L.G., Ingles J., Irvin J., Janus E.D., Kangaharan N., Keech A.C., Kirke A.B., Kritharides L., Kyle C.V., Lacaze P., Lambert K., Li S.C.H., Malan W., Maticevic S., McQuillan B.M., Mirzaee S., Mori T.A., Morton A.C., Colquhoun D.M., Moullin J.C., Nestel P.J., Nowak K.J., O'Brien R.C., Pachter N., Page M.M., Pedrotti A., Psaltis P.J., Radford J., Reid N.J., Robertson E.N., Ryan J.D.M., Sarkies M.N., Schultz C.J., Scott R.S., Semsarian C., Simons L.A., Spinks C., Tonkin A.M., van Bockxmeer F., Waddell-Smith K.E., Ward N.C., White H.D., Wilson A.M., Winship I., Woodward A.M., Nicholls S.J., Watts G.F., Sullivan D.R., Hare D.L., Kostner K.M., Horton A.E., Bell D.A., Brett T., Trent R.J., Poplawski N.K., Martin A.C., Srinivasan S., Justo R.N., Chow C.K., Hamilton-Craig I., Pang J., Ademi Z., Ardill J.J., Barnett W., Bates T.R., Beilin L.J., Bishop W., Black J.A., Brett P., Brown A., Burnett J.R., Bursill C.A., Colley A., Clifton P.M., Ekinci E.I., Elias L., Figtree G.A., Forge B.H., Garton-Smith J., Graham D.F., Hamilton-Craig C.R., Heal C., Hespe C.M., Hooper A.J., Howes L.G., Ingles J., Irvin J., Janus E.D., Kangaharan N., Keech A.C., Kirke A.B., Kritharides L., Kyle C.V., Lacaze P., Lambert K., Li S.C.H., Malan W., Maticevic S., McQuillan B.M., Mirzaee S., Mori T.A., Morton A.C., Colquhoun D.M., Moullin J.C., Nestel P.J., Nowak K.J., O'Brien R.C., Pachter N., Page M.M., Pedrotti A., Psaltis P.J., Radford J., Reid N.J., Robertson E.N., Ryan J.D.M., Sarkies M.N., Schultz C.J., Scott R.S., Semsarian C., Simons L.A., Spinks C., Tonkin A.M., van Bockxmeer F., Waddell-Smith K.E., Ward N.C., White H.D., Wilson A.M., Winship I., Woodward A.M., Nicholls S.J., Watts G.F., Sullivan D.R., Hare D.L., Kostner K.M., Horton A.E., Bell D.A., Brett T., Trent R.J., Poplawski N.K., Martin A.C., Srinivasan S., Justo R.N., and Chow C.K.
- Abstract
Familial hypercholesterolaemia (FH) is a dominant and highly penetrant monogenic disorder present from birth that markedly elevates plasma low-density lipoprotein (LDL)-cholesterol concentration and, if untreated, leads to premature atherosclerosis and coronary artery disease (CAD). There are approximately 100,000 people with FH in Australia. However, an overwhelming majority of those affected remain undetected and inadequately treated, consistent with FH being a leading challenge for public health genomics. To further address the unmet need, we provide an updated guidance, presented as a series of systematically collated recommendations, on the care of patients and families with FH. These recommendations have been informed by an exponential growth in published works and new evidence over the last 5 years and are compatible with a contemporary global call to action on FH. Recommendations are given on the detection, diagnosis, assessment and management of FH in adults and children. Recommendations are also made on genetic testing and risk notification of biological relatives who should undergo cascade testing for FH. Guidance on management is based on the concepts of risk re-stratification, adherence to heart healthy lifestyles, treatment of non-cholesterol risk factors, and safe and appropriate use of LDL-cholesterol lowering therapies, including statins, ezetimibe, proprotein convertase subtilisin/kexin type 9 inhibitors and lipoprotein apheresis. Broad recommendations are also provided for the organisation and development of health care services. Recommendations on best practice need to be underpinned by good clinical judgment and shared decision making with patients and families. Models of care for FH need to be adapted to local and regional health care needs and available resources. A comprehensive and realistic implementation strategy, informed by further research, including assessments of cost-benefit, will be required to ensure that this new guidance benefits
- Published
- 2021
7. Additive association of knowledge and awareness on control of hypertension: A cross-sectional survey in rural India.
- Author
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Ragavan R.S., Joshi R., Evans R.G., Riddell M.A., Thankappan K.R., Chow C.K., Oldenburg B., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Mini G.K., Srikanth V.K., Maulik P.K., Alim M., Guggilla R.K., Busingye D., Thrift A.G., Ragavan R.S., Joshi R., Evans R.G., Riddell M.A., Thankappan K.R., Chow C.K., Oldenburg B., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Mini G.K., Srikanth V.K., Maulik P.K., Alim M., Guggilla R.K., Busingye D., and Thrift A.G.
- Abstract
Objective: To determine whether there is an interaction between knowledge about hypertension and awareness of hypertension on the treatment and control of hypertension in three regions of South India at different stages of epidemiological transition (see Video, Supplemental Digital Content 1, http://links.lww.com/HJH/B426). Method(s): Using a cross-sectional design, we randomly selected villages within each of rural Trivandrum, West Godavari, and Chittoor. Sampling was stratified by age group and sex. We measured blood pressure and administered a questionnaire to determine knowledge and awareness of hypertension. Logistic regression was used to assess associations of awareness and knowledge about hypertension with its treatment and control in participants with hypertension, while examining for statistical interaction. Result(s): Among a total of 11 657 participants (50% male; median age 45 years), 3455 had hypertension. In analyses adjusted for age and sex, both knowledge score [adjusted odds ratio (aOR) 1.14 [95% confidence interval (CI) 1.12- 1.17)] and awareness [aOR 104 (95% CI 82-134)] were associated with treatment for hypertension. Similarly, both knowledge score [aOR 1.10; 95% CI (1.08-1.12)] and awareness [aOR 13.4; 95% CI (10.7-16.7)], were positively associated with control of blood pressure in those with hypertension, independent of age and sex. There was an interaction between knowledge and awareness on both treatment and control of hypertension (P of attributable proportion <0.001 for each). Conclusion(s): Health education to improve knowledge about hypertension and screening programs to improve awareness of hypertension may act in an additive fashion to improve management of hypertension in rural Indian populations.Copyright © 2021 Lippincott Williams and Wilkins. All rights reserved.
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- 2021
8. ASHA-Led Community-Based Groups to Support Control of Hypertension in Rural India Are Feasible and Potentially Scalable.
- Author
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Riddell M.A., Mini G.K., Joshi R., Thrift A.G., Guggilla R.K., Evans R.G., Thankappan K.R., Chalmers K., Chow C.K., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Maulik P.K., Srikanth V.K., Arabshahi S., Varma R.P., D'Esposito F., Oldenburg B., Riddell M.A., Mini G.K., Joshi R., Thrift A.G., Guggilla R.K., Evans R.G., Thankappan K.R., Chalmers K., Chow C.K., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Maulik P.K., Srikanth V.K., Arabshahi S., Varma R.P., D'Esposito F., and Oldenburg B.
- Abstract
Background: To improve the control of hypertension in low- and middle-income countries, we trialed a community-based group program co-designed with local policy makers to fit within the framework of India's health system. Trained accredited social health activists (ASHAs), delivered the program, in three economically and developmentally diverse settings in rural India. We evaluated the program's implementation and scalability. Method(s): Our mixed methods process evaluation was guided by the United Kingdom Medical Research Council guidelines for complex interventions. Meeting attendance reports, as well as blood pressure and weight measures of attendees and adherence to meeting content and use of meeting tools were used to evaluate the implementation process. Thematic analysis of separate focus group discussions with participants and ASHAs as well as meeting reports and participant evaluation were used to investigate the mechanisms of impact. Result(s): Fifteen ASHAs led 32 community-based groups in three rural settings in the states of Kerala and Andhra Pradesh, Southern India. Overall, the fidelity of intervention delivery was high. Six meetings were delivered over a 3-month period to each of the intervention groups. The mean number of meetings attended by participants at each site varied significantly, with participants in Rishi Valley attending fewer meetings [mean (SD) = 2.83 (1.68)] than participants in West Godavari (Tukeys test, p = 0.009) and Trivandrum (Tukeys test, p < 0.001) and participants in West Godavari [mean (SD) = 3.48 (1.72)] attending significantly fewer meetings than participants in Trivandrum [mean (SD) = 4.29 (1.76), Tukeys test, p < 0.001]. Culturally appropriate intervention resources and the training of ASHAs, and supportive supervision of them during the program were critical enablers to program implementation. Although highly motivated during the implementation of the program ASHA reported historical issues with timely remuneration and l
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- 2021
9. Essentials of a new clinical practice guidance on familial hypercholesterolaemia for physicians.
- Author
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Watts G.F., Sullivan D.R., Hare D.L., Kostner K.M., Horton A.E., Bell D.A., Brett T., Trent R.J., Poplawski N.K., Martin A.C., Srinivasan S., Justo R.N., Chow C.K., Pang J., Watts G.F., Sullivan D.R., Hare D.L., Kostner K.M., Horton A.E., Bell D.A., Brett T., Trent R.J., Poplawski N.K., Martin A.C., Srinivasan S., Justo R.N., Chow C.K., and Pang J.
- Abstract
Familial hypercholesterolaemia (FH) is a common, heritable and preventable cause of premature coronary artery disease. New clinical practice recommendations are presented to assist practitioners in enhancing the care of all patients with FH. Core recommendations are made on the detection, diagnosis, assessment and management of adults, children and adolescents with FH. Management is under-pinned by the precepts of risk stratification, adherence to healthy lifestyles, treatment of non-cholesterol risk factors and appropriate use of low-density lipoprotein (LDL)-cholesterol-lowering therapies including statins, ezetimibe and proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors. The recommendations need to be utilised using judicious clinical judgement and shared decision-making with patients and families. New government-funded schemes for genetic testing and use of PCSK9 inhibitors, as well as the National Health Genomics Policy Framework, will enable adoption of the recommendations. However, a comprehensive implementation science and practice strategy is required to ensure that the guidance translates into benefit for all families with FH.Copyright © 2021 Royal Australasian College of Physicians.
- Published
- 2021
10. Synopsis of an integrated guidance for enhancing the care of familial hypercholesterolaemia: an Australian perspective
- Author
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Watts, G.F., Sullivan, D.R., Hare, D.L., Kostner, K.M., Horton, A.E., Bell, D.A., Brett, T., Trent, R.J., Poplawski, N.K., Martin, A.C., Srinivasan, S., Justo, R.N., Chow, C.K., Pang, J., Ademi, Z., Ardill, J.J., Barnett, W., Bates, T.R, Beilin, L.J., Bishop, W., Black, J.A., Brown, A., Burnett, J.R., Bursill, C.A., Colley, A., Clifton, P.M., Ekinci, E.I., Figtree, G.A., Forge, B.H., Garton-Smith, J., Graham, D.F., Hamilton-Craig, I., Hamilton-Craig, C.R., Heal, C., Hespe, C.M., Hooper, A.J., Howes, L.G., Ingles, J., Janus, E.D., Kangaharan, N., Keech, A.C., Kirke, A.B., Kritharides, L., Kyle, C.V., Lacaze, P., Li, S.C.H., Maticevic, S., McQuillan, B.M., Mirzaee, S., Mori, T.A., Morton, A.C., Colquhoun, D.M., Moullin, J.C., Nestel, P.J., Nowak, K.J., O'Brien, R.C., Pachter, N., Page, M.M., Psaltis, P.J., Radford, J., Reid, N.J., Robertson, E.N., Ryan, J.D.M., Sarkies, M.N., Schultz, C.J., Scott, R.S., Semsarian, C., Simons, L.A., Spinks, C., Tonkin, A.M., van Bockxmeer, F., Waddell-Smith, K.E., Ward, N.C., White, H.D., Wilson, A.M., Winship, I., Woodward, A.M., Nicholls, S.J., Brett, P., Elias, L., Malan, W., Irvin, J., Lambert, K., Pedrotti, A., Watts, G.F., Sullivan, D.R., Hare, D.L., Kostner, K.M., Horton, A.E., Bell, D.A., Brett, T., Trent, R.J., Poplawski, N.K., Martin, A.C., Srinivasan, S., Justo, R.N., Chow, C.K., Pang, J., Ademi, Z., Ardill, J.J., Barnett, W., Bates, T.R, Beilin, L.J., Bishop, W., Black, J.A., Brown, A., Burnett, J.R., Bursill, C.A., Colley, A., Clifton, P.M., Ekinci, E.I., Figtree, G.A., Forge, B.H., Garton-Smith, J., Graham, D.F., Hamilton-Craig, I., Hamilton-Craig, C.R., Heal, C., Hespe, C.M., Hooper, A.J., Howes, L.G., Ingles, J., Janus, E.D., Kangaharan, N., Keech, A.C., Kirke, A.B., Kritharides, L., Kyle, C.V., Lacaze, P., Li, S.C.H., Maticevic, S., McQuillan, B.M., Mirzaee, S., Mori, T.A., Morton, A.C., Colquhoun, D.M., Moullin, J.C., Nestel, P.J., Nowak, K.J., O'Brien, R.C., Pachter, N., Page, M.M., Psaltis, P.J., Radford, J., Reid, N.J., Robertson, E.N., Ryan, J.D.M., Sarkies, M.N., Schultz, C.J., Scott, R.S., Semsarian, C., Simons, L.A., Spinks, C., Tonkin, A.M., van Bockxmeer, F., Waddell-Smith, K.E., Ward, N.C., White, H.D., Wilson, A.M., Winship, I., Woodward, A.M., Nicholls, S.J., Brett, P., Elias, L., Malan, W., Irvin, J., Lambert, K., and Pedrotti, A.
- Abstract
Introduction Familial hypercholesterolaemia (FH) is a common, heritable and preventable cause of premature coronary artery disease, with significant potential for positive impact on public health and healthcare savings. New clinical practice recommendations are presented in an abridged guidance to assist practitioners in enhancing the care of all patients with FH. Main recommendations Core recommendations are made on the detection, diagnosis, assessment and management of adults, children and adolescents with FH. There is a key role for general practitioners (GPs) working in collaboration with specialists with expertise in lipidology. Advice is given on genetic and cholesterol testing and risk notification of biological relatives undergoing cascade testing for FH; all healthcare professionals should develop skills in genomic medicine. Management is under-pinned by the precepts of risk stratification, adherence to healthy lifestyles, treatment of non-cholesterol risk factors, and appropriate use of low-density lipoprotein (LDL)-cholesterol lowering therapies, including statins, ezetimibe and proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors. Recommendations on service design are provided in the full guidance. Potential impact on care of FH These recommendations need to be utilised using judicious clinical judgement and shared decision making with patients and families. Models of care need to be adapted to both local and regional needs and resources. In Australia new government funded schemes for genetic testing and use of PCSK9 inhibitors, as well as the National Health Genomics Policy Framework, will enable adoption of these recommendations. A broad implementation science strategy is, however, required to ensure that the guidance translates into benefit for all families with FH.
- Published
- 2021
11. Essentials of a new clinical practice guidance on familial hypercholesterolaemia for physicians
- Author
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Watts, G.F., Sullivan, D.R., Hare, D.L., Kostner, K.M., Horton, A.E., Bell, D.A., Brett, T., Trent, R.J., Poplawski, N.K., Martin, A.C., Srinivasan, S., Justo, R.N., Chow, C.K., Pang, J., Ademi, Z., Ardill, J.J., Barnett, W., Bates, T.R., Beilin, L.J., Bishop, W., Black, J.A., Brown, A., Burnett, J.R., Bursill, C.A., Colley, A., Clifton, P.M., Ekinci, E.I., Figtree, G.A., Forge, B.H., Garton‐Smith, J., Graham, D.F., Hamilton‐Craig, I., Hamilton‐Craig, C.R., Heal, C., Hespe, C.M., Hooper, A.J., Howes, L.G., Ingles, J., Janus, E.D., Kangaharan, N., Keech, A.C., Kirke, A.B., Kritharides, L., Kyle, C.V., Lacaze, P., Li, S.C.H., Maticevic, S., McQuillan, B.M., Mirzaee, S., Mori, T.A., Morton, A.C., Colquhoun, D.M., Moullin, J.C., Nestel, P.J., Nowak, K.J., O'Brien, R.C., Pachter, N., Page, M.M., Psaltis, P.J., Radford, J., Reid, N.J., Robertson, E.N., Ryan, J.D.M., Sarkies, M.N., Schultz, C.J., Semsarian, C., Simons, L.A., Spinks, C., Tonkin, A.M., van Bockxmeer, F., Waddell‐Smith, K.E., Ward, N.C., White, H.D., Wilson, A.M., Winship, I., Woodward, A.M., Nicholls, S.J., Elias, L., Malan, W., Irvin, J., Lambert, K., Pedrotti, A., Watts, G.F., Sullivan, D.R., Hare, D.L., Kostner, K.M., Horton, A.E., Bell, D.A., Brett, T., Trent, R.J., Poplawski, N.K., Martin, A.C., Srinivasan, S., Justo, R.N., Chow, C.K., Pang, J., Ademi, Z., Ardill, J.J., Barnett, W., Bates, T.R., Beilin, L.J., Bishop, W., Black, J.A., Brown, A., Burnett, J.R., Bursill, C.A., Colley, A., Clifton, P.M., Ekinci, E.I., Figtree, G.A., Forge, B.H., Garton‐Smith, J., Graham, D.F., Hamilton‐Craig, I., Hamilton‐Craig, C.R., Heal, C., Hespe, C.M., Hooper, A.J., Howes, L.G., Ingles, J., Janus, E.D., Kangaharan, N., Keech, A.C., Kirke, A.B., Kritharides, L., Kyle, C.V., Lacaze, P., Li, S.C.H., Maticevic, S., McQuillan, B.M., Mirzaee, S., Mori, T.A., Morton, A.C., Colquhoun, D.M., Moullin, J.C., Nestel, P.J., Nowak, K.J., O'Brien, R.C., Pachter, N., Page, M.M., Psaltis, P.J., Radford, J., Reid, N.J., Robertson, E.N., Ryan, J.D.M., Sarkies, M.N., Schultz, C.J., Semsarian, C., Simons, L.A., Spinks, C., Tonkin, A.M., van Bockxmeer, F., Waddell‐Smith, K.E., Ward, N.C., White, H.D., Wilson, A.M., Winship, I., Woodward, A.M., Nicholls, S.J., Elias, L., Malan, W., Irvin, J., Lambert, K., and Pedrotti, A.
- Abstract
Familial hypercholesterolaemia (FH) is a common, heritable and preventable cause of premature coronary artery disease. New clinical practice recommendations are presented to assist practitioners in enhancing the care of all patients with FH. Core recommendations are made on the detection, diagnosis, assessment and management of adults, children and adolescents with FH. Management is under-pinned by the precepts of risk stratification, adherence to healthy lifestyles, treatment of non-cholesterol risk factors and appropriate use of low-density lipoprotein (LDL)-cholesterol-lowering therapies including statins, ezetimibe and proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors. The recommendations need to be utilised using judicious clinical judgement and shared decision-making with patients and families. New government-funded schemes for genetic testing and use of PCSK9 inhibitors, as well as the National Health Genomics Policy Framework, will enable adoption of the recommendations. However, a comprehensive implementation science and practice strategy is required to ensure that the guidance translates into benefit for all families with FH.
- Published
- 2021
12. Integrated guidance for enhancing the care of familial hypercholesterolaemia in Australia
- Author
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Watts, G.F., Sullivan, D.R., Hare, D.L., Kostner, K.M., Horton, A.E., Bell, D.A., Brett, T., Trent, R.J., Poplawski, N.K., Martin, A.C., Srinivasan, S., Justo, R.N., Chow, C.K., Pang, J., Ademi, Z., Ardill, J.J., Barnett, W., Bates, T.R., Beilin, L.J., Bishop, W., Black, J.A., Brett, P., Brown, A., Burnett, J.R., Bursill, C.A., Colley, A., Clifton, P.M., Ekinci, E.I., Elias, L., Figtree, G.A., Forge, B.H., Garton-Smith, J., Graham, D.F., Hamilton-Craig, I., Hamilton-Craig, C.R., Heal, C., Hespe, C.M., Hooper, A.J., Howes, L.G., Ingles, J., Irvin, J., Janus, E.D., Kangaharan, N., Keech, A.C., Kirke, A.B., Kritharides, L., Kyle, C.V., Lacaze, P., Lambert, K., Li, S.C.H., Malan, W., Maticevic, S., McQuillan, B.M., Mirzaee, S., Mori, T.A., Morton, A.C., Colquhoun, D.M., Moullin, J.C., Nestel, P.J., Nowak, K.J., O'Brien, R.C., Pachter, N., Page, M.M., Pedrotti, A., Psaltis, P.J., Radford, J., Reid, N.J., Robertson, E.N., Ryan, J.D.M., Sarkies, M.N., Schultz, C.J., Scott, R.S., Semsarian, C., Simons, L.A., Spinks, C., Tonkin, A.M., van Bockxmeer, F., Waddell-Smith, K.E., Ward, N.C., White, H.D., Wilson, A.M., Winship, I., Woodward, A.M., Nicholls, S.J., Watts, G.F., Sullivan, D.R., Hare, D.L., Kostner, K.M., Horton, A.E., Bell, D.A., Brett, T., Trent, R.J., Poplawski, N.K., Martin, A.C., Srinivasan, S., Justo, R.N., Chow, C.K., Pang, J., Ademi, Z., Ardill, J.J., Barnett, W., Bates, T.R., Beilin, L.J., Bishop, W., Black, J.A., Brett, P., Brown, A., Burnett, J.R., Bursill, C.A., Colley, A., Clifton, P.M., Ekinci, E.I., Elias, L., Figtree, G.A., Forge, B.H., Garton-Smith, J., Graham, D.F., Hamilton-Craig, I., Hamilton-Craig, C.R., Heal, C., Hespe, C.M., Hooper, A.J., Howes, L.G., Ingles, J., Irvin, J., Janus, E.D., Kangaharan, N., Keech, A.C., Kirke, A.B., Kritharides, L., Kyle, C.V., Lacaze, P., Lambert, K., Li, S.C.H., Malan, W., Maticevic, S., McQuillan, B.M., Mirzaee, S., Mori, T.A., Morton, A.C., Colquhoun, D.M., Moullin, J.C., Nestel, P.J., Nowak, K.J., O'Brien, R.C., Pachter, N., Page, M.M., Pedrotti, A., Psaltis, P.J., Radford, J., Reid, N.J., Robertson, E.N., Ryan, J.D.M., Sarkies, M.N., Schultz, C.J., Scott, R.S., Semsarian, C., Simons, L.A., Spinks, C., Tonkin, A.M., van Bockxmeer, F., Waddell-Smith, K.E., Ward, N.C., White, H.D., Wilson, A.M., Winship, I., Woodward, A.M., and Nicholls, S.J.
- Abstract
Familial hypercholesterolaemia (FH) is a dominant and highly penetrant monogenic disorder present from birth that markedly elevates plasma low-density lipoprotein (LDL)-cholesterol concentration and, if untreated, leads to premature atherosclerosis and coronary artery disease (CAD). There are approximately 100,000 people with FH in Australia. However, an overwhelming majority of those affected remain undetected and inadequately treated, consistent with FH being a leading challenge for public health genomics. To further address the unmet need, we provide an updated guidance, presented as a series of systematically collated recommendations, on the care of patients and families with FH. These recommendations have been informed by an exponential growth in published works and new evidence over the last 5 years and are compatible with a contemporary global call to action on FH. Recommendations are given on the detection, diagnosis, assessment and management of FH in adults and children. Recommendations are also made on genetic testing and risk notification of biological relatives who should undergo cascade testing for FH. Guidance on management is based on the concepts of risk re-stratification, adherence to heart healthy lifestyles, treatment of non-cholesterol risk factors, and safe and appropriate use of LDL-cholesterol lowering therapies, including statins, ezetimibe, proprotein convertase subtilisin/kexin type 9 inhibitors and lipoprotein apheresis. Broad recommendations are also provided for the organisation and development of health care services. Recommendations on best practice need to be underpinned by good clinical judgment and shared decision making with patients and families. Models of care for FH need to be adapted to local and regional health care needs and available resources. A comprehensive and realistic implementation strategy, informed by further research, including assessments of cost-benefit, will be required to ensure that this new guidance benefits
- Published
- 2021
13. Cardiovascular disease and COVID-19: Australian and New Zealand consensus statement.
- Author
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Chow C.K., Wong S., Lund M., Chew D.P., Kritharides L., Bhindi R., Zaman S., MacIsaac A.I., Jennings G.L.R., Schlaich M.P., Inglis S.C., Arnold R., Kumar S., Thomas L., Wahi S., Lo S., Naismith C., Duffy S.J., Nicholls S.J., Newcomb A., Almeida A.A., Chow C.K., Wong S., Lund M., Chew D.P., Kritharides L., Bhindi R., Zaman S., MacIsaac A.I., Jennings G.L.R., Schlaich M.P., Inglis S.C., Arnold R., Kumar S., Thomas L., Wahi S., Lo S., Naismith C., Duffy S.J., Nicholls S.J., Newcomb A., and Almeida A.A.
- Abstract
Introduction: The coronavirus 2019 disease (COVID-19) pandemic is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Pre-existing cardiovascular disease (CVD) increases the morbidity and mortality of COVID-19, and COVID-19 itself causes serious cardiac sequelae. Strategies to minimise the risk of viral transmission to health care workers and uninfected cardiac patients while prioritising high quality cardiac care are urgently needed. We conducted a rapid literature appraisal and review of key documents identified by the Cardiac Society of Australia and New Zealand Board and Council members, the Australian and New Zealand Society of Cardiac and Thoracic Surgeons, and key cardiology, surgical and public health opinion leaders. Main recommendations: Common acute cardiac manifestations of COVID-19 include left ventricular dysfunction, heart failure, arrhythmias and acute coronary syndromes. The presence of underlying CVD confers a five- to tenfold higher case fatality rate with COVID-19 disease. Special precautions are needed to avoid viral transmission to this population at risk. Adaptive health care delivery models and resource allocation are required throughout the health care system to address this need. Changes in management as a result of this statement: Cardiovascular health services and cardiovascular health care providers need to recognise the increased risk of COVID-19 among CVD patients, upskill in the management of COVID-19 cardiac manifestations, and reorganise and innovate in service delivery models to meet demands. This consensus statement, endorsed by the Cardiac Society of Australia and New Zealand, the Australian and New Zealand Society of Cardiac and Thoracic Surgeons, the National Heart Foundation of Australia and the High Blood Pressure Research Council of Australia summarises important issues and proposes practical approaches to cardiovascular health care delivery to patients with and without SARS-CoV-2 infection.Copyright © 20
- Published
- 2020
14. Effectiveness of a scalable group-based education and monitoring program, delivered by health workers, to improve control of hypertension in rural India: A cluster randomised controlled trial.
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Alim M., Varma R.P., Guggilla R.K., D'Esposito F., Sathish T., Thrift A.G., Gamage D.G., Riddell M.A., Joshi R., Thankappan K.R., Chow C.K., Oldenburg B., Evans R.G., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Mini G.K., Maulik P.K., Srikanth V.K., Arabshahi S., Alim M., Varma R.P., Guggilla R.K., D'Esposito F., Sathish T., Thrift A.G., Gamage D.G., Riddell M.A., Joshi R., Thankappan K.R., Chow C.K., Oldenburg B., Evans R.G., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Mini G.K., Maulik P.K., Srikanth V.K., and Arabshahi S.
- Abstract
Background New methods are required to manage hypertension in resource-poor settings. We hypothesised that a community health worker (CHW)-led group-based education and monitoring intervention would improve control of blood pressure (BP). Methods and findings We conducted a baseline community-based survey followed by a cluster randomised controlled trial of people with hypertension in 3 rural regions of South India, each at differing stages of epidemiological transition. Participants with hypertension, defined as BP >= 140/90 mm Hg or taking antihypertensive medication, were advised to visit a doctor. In each region, villages were randomly assigned to intervention or usual care (UC) in a 1:2 ratio. In intervention clusters, trained CHWs delivered a group-based intervention to people with hypertension. The program, conducted fortnightly for 3 months, included monitoring of BP, education about hypertension, and support for healthy lifestyle change. Outcomes were assessed approximately 2 months after completion of the intervention. The primary outcome was control of BP (BP < 140/90 mm Hg), analysed using mixed effects regression, clustered by village within region and adjusted for baseline control of hypertension (using intention-to-treat principles). Of 2,382 potentially eligible people, 637 from 5 intervention clusters and 1,097 from 10 UC clusters were recruited between November 2015 and April 2016, with follow-up occurring in 459 in the intervention group and 1,012 in UC. Mean age was 56.9 years (SD 13.7). Baseline BP was similar between groups. Control of BP improved from baseline to follow-up more in the intervention group (from 227 [49.5%] to 320 [69.7%] individuals) than in the UC group (from 528 [52.2%] to 624 [61.7%] individuals) (odds ratio [OR] 1.6, 95% CI 1.2-2.1; P = 0.001). In secondary outcome analyses, there was a greater decline in systolic BP in the intervention than UC group (-5.0 mm Hg, 95% CI -7.1 to -3.0; P < 0.001) and a greater decline in diast
- Published
- 2020
15. Additive association of knowledge and awareness on control of hypertension: a cross-sectional survey in rural India.
- Author
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Riddell M.A., Srikanth V.K., Maulik P.K., Alim M., Guggilla R.K., Busingye D., Thrift A.G., Ragavan R.S., Joshi R., Evans R.G., Thankappan K.R., Chow C.K., Oldenburg B., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., Mini G.K., Riddell M.A., Srikanth V.K., Maulik P.K., Alim M., Guggilla R.K., Busingye D., Thrift A.G., Ragavan R.S., Joshi R., Evans R.G., Thankappan K.R., Chow C.K., Oldenburg B., Mahal A.S., Kalyanram K., Kartik K., Suresh O., Thomas N., and Mini G.K.
- Abstract
OBJECTIVE: To determine whether there is an interaction between knowledge about hypertension and awareness of hypertension on the treatment and control of hypertension in three regions of South India at different stages of epidemiological transition (see Video, Supplemental Digital Content 1, http://links.lww.com/HJH/B426). METHOD(S): Using a cross-sectional design, we randomly selected villages within each of rural Trivandrum, West Godavari, and Chittoor. Sampling was stratified by age group and sex. We measured blood pressure and administered a questionnaire to determine knowledge and awareness of hypertension. Logistic regression was used to assess associations of awareness and knowledge about hypertension with its treatment and control in participants with hypertension, while examining for statistical interaction. RESULT(S): Among a total of 11 657 participants (50% male; median age 45 years), 3455 had hypertension. In analyses adjusted for age and sex, both knowledge score [adjusted odds ratio (aOR) 1.14 [95% confidence interval (CI) 1.12--1.17)] and awareness [aOR 104 (95% CI 82--134)] were associated with treatment for hypertension. Similarly, both knowledge score [aOR 1.10; 95% CI (1.08--1.12)] and awareness [aOR 13.4; 95% CI (10.7--16.7)], were positively associated with control of blood pressure in those with hypertension, independent of age and sex. There was an interaction between knowledge and awareness on both treatment and control of hypertension (P of attributable proportion <0.001 for each). CONCLUSION(S): Health education to improve knowledge about hypertension and screening programs to improve awareness of hypertension may act in an additive fashion to improve management of hypertension in rural Indian populations.
- Published
- 2020
16. QUality improvement in primary care to prevent hospitalisations and improve Effectiveness and efficiency of care for people Living with coronary heart disease (QUEL): Protocol for a 24-month cluster randomised controlled trial in primary care
- Author
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Redfern, J., Hafiz, N., Hyun, K., Knight, A., Hespe, C., Chow, C.K., Briffa, T., Gallagher, R., Reid, Christopher, Hare, D.L., Zwar, N., Woodward, M., Jan, S., Atkins, E.R., Laba, T.L., Halcomb, E., Billot, L., Johnson, T., Usherwood, T., Redfern, J., Hafiz, N., Hyun, K., Knight, A., Hespe, C., Chow, C.K., Briffa, T., Gallagher, R., Reid, Christopher, Hare, D.L., Zwar, N., Woodward, M., Jan, S., Atkins, E.R., Laba, T.L., Halcomb, E., Billot, L., Johnson, T., and Usherwood, T.
- Abstract
Background: Cardiovascular disease (CVD), including coronary heart disease (CHD) and stroke, is the leading cause of death and disability globally. A large proportion of mortality occurs in people with prior CHD and effective and scalable strategies are needed to prevent associated deaths and hospitalisations. The aim of this study is to determine if a practice-level collaborative quality improvement program, focused on patients with CHD, reduces the rate of unplanned CVD hospitalisations and major adverse cardiovascular events, and increases the proportion of patients achieving risk factor targets at 24 months. Methods: Cluster randomised controlled trial (cRCT) to evaluate the effectiveness of a primary care quality improvement program in 50 primary care practices (n~ 10,000 patients) with 24-month follow-up. Eligible practices will be randomised (1:1) to participate in either the intervention (collaborative quality improvement program) or control (standard care) regimens. Outcomes will be assessed based on randomised allocation, according to intention-to-treat. The primary outcome is the proportion of patients with unplanned CVD hospitalisations at 2 years. Secondary outcomes are proportion of patients with major adverse cardiovascular events, proportion of patients who received prescriptions for guideline-recommended medicines, proportion of patients achieving national risk factor targets and proportion with a chronic disease management plan or review. Differences in the proportion of patients who are hospitalised (as well as binary secondary outcomes) will be analysed using logbinomial regression or robust Poisson regression, if necessary. Discussion Despite extensive research with surrogate outcomes, to the authors’ knowledge, this is the first randomised controlled trial to evaluate the effectiveness of a data-driven collaborative quality improvement intervention on hospitalisations, CVD events and cardiovascular risk amongst patients with CHD in the primary
- Published
- 2020
17. Rapid measurement of retinol, retinal, 13-cis-retinoic acid and all-trans-retinoic acid by high performance liquid chromatography
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Tatum, V., primary and Chow, C.K., additional
- Published
- 2020
- Full Text
- View/download PDF
18. Education and risk for acute myocardial infarction in 52 high, middle and low-income countries: INTERHEART case-control study
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Rosengren, A., Subramanian, S.V., Islam, S., Chow, C.K., Avezum, A., Kazmi, K., Sliwa, K., Zubaid, M., Rangarajan, S., and Yusuf, S.
- Subjects
Heart attack -- Risk factors ,Heart attack -- Demographic aspects ,Heart attack -- Distribution ,Heart attack -- Research ,Health education -- Demographic aspects ,Health education -- Research ,Company distribution practices ,Health - Published
- 2009
19. Potentially modifiable risk factors associated with myocardial infarction in China: the INTERHEART China study
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Teo, K.K., Liu, L., Chow, C.K., Wang, X., Islam, S., Jiang, L., Sanderson, J.E., Rangarajan, S., and Yusuf, S.
- Subjects
Heart attack -- Risk factors ,Heart attack -- Research ,Life style -- Health aspects ,Life style -- Demographic aspects ,Life style -- Research ,Risk factors (Health) -- Research ,Health - Published
- 2009
20. Recalibration of a Framingham risk equation for a rural population in India
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Chow, C.K., Joshi, R., Celermajer, D.S., Patel, A., and Neal, B.C.
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Coronary heart disease -- Demographic aspects ,Coronary heart disease -- Prevention ,Coronary heart disease -- Risk factors ,Data entry -- Usage ,Public health -- Reports ,Health ,Social sciences - Published
- 2009
21. Association between complications and death within 30 days after noncardiac surgery
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Spence, J., LeManach, Y., Chan, M.T.V., Wang, C.Y., Sigamani, A., Xavier, D., Pearse, R., Alonso-Coello, P., Garutti, I., Srinathan, S.K., Duceppe, E., Walsh, M., Borges, F.K., Málaga Rodríguez, Germán Javier, Abraham, V., Faruqui, A., Berwanger, O., Biccard, B.M., Villar, J.C., Sessler, D.I., Kurz, A., Chow, C.K., Polanczyk, C.A., Szczeklik, W., Ackland, G., Garg, A.X., Jacka, M., Guyatt, G.H., Sapsford, R.J., Williams, C., Cortes, O.L., Coriat, P., Patel, A., Tiboni, M., Belley-Côté, E.P., Yang, S., Heels-Ansdell, D., McGillion, M., Schünemann, H.J., Parlow, S., Patel, M., Pettit, S., Yusuf, S., Devereaux, P.J., and VISION Investigators
- Subjects
Male ,surgical mortality ,patient monitoring ,Kaplan-Meier Estimate ,mortality rate ,noncardiac surgery ,sepsis ,Postoperative Complications ,Prospective Studies ,Prospective cohort study ,risk reduction ,Mortality rate ,adult ,Hazard ratio ,General Medicine ,Middle Aged ,cohort analysis ,aged ,female ,Surgical Procedures, Operative ,multicenter study (topic) ,Female ,Cohort study ,prospective study ,early diagnosis ,medicine.medical_specialty ,Postoperative Hemorrhage ,surgical technique ,Article ,Sepsis ,male ,Internal medicine ,medicine ,operative blood loss ,Humans ,controlled study ,human ,outcome assessment ,Aged ,Proportional hazards model ,business.industry ,disease association ,heart muscle injury ,Perioperative ,medicine.disease ,major clinical study ,Confidence interval ,purl.org/pe-repo/ocde/ford#3.02.00 [https] ,hospital discharge ,peroperative complication ,hospital admission ,early intervention ,Commentary ,mortality risk ,business - Abstract
BACKGROUND: Among adults undergoing contemporary noncardiac surgery, little is known about the frequency and timing of death and the associations between perioperative complications and mortality. We aimed to establish the frequency and timing of death and its association with perioperative complications. METHODS: We conducted a prospective cohort study of patients aged 45 years and older who underwent inpatient noncardiac surgery at 28 centres in 14 countries. We monitored patients for complications until 30 days after surgery and determined the relation between these complications and 30-day mortality using a Cox proportional hazards model. RESULTS: We included 40 004 patients. Of those, 715 patients (1.8%) died within 30 days of surgery. Five deaths (0.7%) occurred in the operating room, 500 deaths (69.9%) occurred after surgery during the index admission to hospital and 210 deaths (29.4%) occurred after discharge from the hospital. Eight complications were independently associated with 30-day mortality. The 3 complications with the largest attributable fractions (AF; i.e., potential proportion of deaths attributable to these complications) were major bleeding (6238 patients, 15.6%; adjusted hazard ratio [HR] 2.6, 95% confidence interval [CI] 2.2–3.1; AF 17.0%); myocardial injury after noncardiac surgery [MINS] (5191 patients, 13.0%; adjusted HR 2.2, 95% CI 1.9–2.6; AF 15.9%); and sepsis (1783 patients, 4.5%; adjusted HR 5.6, 95% CI 4.6–6.8; AF 12.0%). INTERPRETATION: Among adults undergoing noncardiac surgery, 99.3% of deaths occurred after the procedure and 44.9% of deaths were associated with 3 complications: major bleeding, MINS and sepsis. Given these findings, focusing on the prevention, early identification and management of these 3 complications holds promise for reducing perioperative mortality. Study registration:ClinicalTrials.gov, no. NCT00512109.
- Published
- 2019
22. The burden of fatal and non-fatal injury in rural India
- Author
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Cardona, M., Joshi, R., Ivers, R.Q., Iyengar, S., Chow, C.K., Colman, S., Ramakrishna, G., Dandona, R., Stevenson, M.R., and Neal, B.C.
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Wounds and injuries -- Causes of ,Wounds and injuries -- Statistics ,Wounds and injuries -- Research ,Health - Published
- 2008
23. Deformation of zirconium irradiated by 4.4 MeV protons at 347 K
- Author
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Chow, C.K., Holt, R.A., Woo, C.H., and So, C.B.
- Published
- 2004
- Full Text
- View/download PDF
24. A location-routing-loading problem for bill delivery services
- Author
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Lin, C.K.Y., Chow, C.K., and Chen, A.
- Subjects
Telecommunications services industry ,Company business planning ,Telecommunications services industry -- Accounting and auditing ,Collection (Accounting) -- Methods ,Collection (Accounting) -- Planning ,Collection (Accounting) -- Analysis ,Communications industry - Abstract
A telecommunication service company in Hong Kong considers printing and delivering its monthly bills to well-structured and densely populated housing estates by the in-house delivery team. There is a large customer base that prefers receiving paper bills for personal or company accounting purposes. The use of in-house delivery team would be more cost-effective than the existing practice of employing the Post Office service. With the anticipated increase of housing estates in the newly developed areas, management is considering to relocate the existing bill delivery office and set up some delivery depot sites at the existing company buildings. Metaheuristic approach based on threshold accepting and simulated annealing is developed to assist in making facility location, vehicle routing and loading decisions. The computerized algorithm has been tested by the operation team and is well perceived by the management. It shows significant improvement over the existing manual approach and will be a tool useful for planning future office locations in Hong Kong. Keywords: Location; Routing; Threshold accepting; Simulated annealing; Loading
- Published
- 2002
25. Hong-Kong port facilities, airport, and housing require new concepts
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Chow, C.K.
- Subjects
Harbors -- Design and construction ,Airports -- Design and construction ,Housing -- Design and construction ,Regional planning -- Management ,Business ,Education ,Engineering and manufacturing industries - Abstract
Hong Kong is situated on the south coast of China and is the main trading port with that country. During 1991 a total 255,300 ships called at Hong Kong which is one of the world's busiest ports. Rapid expansion of air traffic required a new airport, which is being built on an island. When fully completed, it will be capable of handling 80.000,000 passengers and 44 million tons of air cargo annually. Housing has also been a construction priority. A Christmas night fire in 1953 left 53,000 people homeless, and the government promptly launched a program that now houses almost 3,000,000 people, or half Hong Kong's population. The rapid economic expansion and population growth required solutions to many issues that resulted in new planning concepts. The writer is an engineer who has worked for the Hong Kong government on several major projects, including bridges, tunnels, land reclamation, airports, and other infrastructure work., New planning concepts are required to maximize the development of Hong Kong, one of the world's busiest ports. These concepts must incorporate a cohesive integration of port facilities, airport and housing strategies, in line with the rapid economic expansion and population growth of the area. The evolution of a development plan set in place since 1953 when a Christmas night fire destroyed the area is detailed. A schematic of the development of the port around container terminals is also presented.
- Published
- 1992
26. Transportation for Hong Kong requires solutions to issues and problems
- Author
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Chow, C.K.
- Subjects
Hong Kong -- Transportation ,Transportation planning -- Hong Kong ,Transportation -- Research ,Business ,Education ,Engineering and manufacturing industries - Abstract
Accommodating the rapidly expanding Hong Kong population on a rugged terrain of limited area demands a solution to many transportation issues and problems. The old urban area is growing and being modernized. In addition, many new towns are planned in formerly rural areas. A sophisticated transport system has been developed during the past three decades that helps to integrate the old and new communities together as well as to improve the quality of life in this dynamic metropolitan city. The system comprises several major traffic modes that complement one another, including a high-capacity road network, an electrified suburban railway, a busy underground metro, a modern light rail, and a traditional street tramway. Many major bridges and tunnels are built with advanced technology, many of which can be considered a challenging project of its own.
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- 1992
27. Many engineering issues and challenges met in development of Hong Kong
- Author
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Chow, C.K.
- Subjects
Sewage disposal plants -- Hong Kong ,Water-supply -- Hong Kong ,Business ,Education ,Engineering and manufacturing industries - Abstract
The rapid increase of Hong Kong's population after World War II caused an increased demand for housing, water supply, transport and infrastructure. Engineering played a major part in coping with these demands. The various improvements made on Hong Kong's water supply are explained in detail including its waste disposal and sewage treatment facilities. Brief descriptions of Hong Kong's geography, climate, geology and history are also presented.
- Published
- 1992
28. Evaluation of a training program of hypertension for accredited social health activists (ASHA) in rural India.
- Author
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Evans R.G., Suresh O., Oldenburg B., Joshi R., Thomas N., Abdel-All M., Thrift A.G., Riddell M., Thankappan K.R.T., Mini G.K., Chow C.K., Maulik P.K., Mahal A., Guggilla R., Kalyanram K., Kartik K., Evans R.G., Suresh O., Oldenburg B., Joshi R., Thomas N., Abdel-All M., Thrift A.G., Riddell M., Thankappan K.R.T., Mini G.K., Chow C.K., Maulik P.K., Mahal A., Guggilla R., Kalyanram K., and Kartik K.
- Abstract
BACKGROUND: Hypertension is a major risk factor for cardiovascular disease, a leading cause of premature death and disability in India. Since access to health services is poor in rural India and Accredited Social Health Activists (ASHAs) are available throughout India for maternal and child health, a potential solution for improving hypertension control is by utilising this available workforce. We aimed to develop and implement a training package for ASHAs to identify and control hypertension in the community, and evaluate the effectiveness of the training program using the Kirkpatrick Evaluation Model. METHOD(S): The training program was part of a cluster randomised feasibility trial of a 3-month intervention to improve hypertension outcomes in South India. Training materials incorporated details on managing hypertension, goal setting, facilitating group meetings, and how to measure blood pressure and weight. The 15 ASHAs attended a five-day training workshop that was delivered using interactive instructional strategies. ASHAs then led community-based education support groups for 3 months. Training was evaluated using Kirkpatrick's evaluation model for measuring reactions, learning, behaviour and results using tests on knowledge at baseline, post-training and post-intervention, observation of performance during meetings and post-intervention interviews. RESULT(S): The ASHAs' knowledge of hypertension improved from a mean score of 64% at baseline to 76% post-training and 84% after the 3-month intervention. Research officers, who observed the community meetings, reported that ASHAs delivered the self-management content effectively without additional assistance. The ASHAs reported that the training materials were easy to understand and useful in educating community members. CONCLUSION(S): ASHAs can be trained to lead community-based group educational discussions and support individuals for the management of high blood pressure. TRIAL REGISTRATION: The feasibility tria
- Published
- 2018
29. Inequalities in the use of secondary prevention of cardiovascular disease by socioeconomic status: evidence from the PURE observational study
- Author
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Murphy, A. (Adrianna), Palafox, B. (Benjamin), O'Donnell, O.A. (Owen), Stuckler, D. (David), Perel, P. (Pablo), AlHabib, K.F. (Khalid F), Avezum, A. (Alvaro), Bai, X. (Xiulin), Chifamba, J. (Jephat), Chow, C.K. (Clara K), Corsi, D.J. (Daniel J), Dagenais, G.R. (Gilles R), Dans, A.L. (Antonio L), Díaz, R. (Rafael), Erbakan, A.N. (Ayse N), Ismail, N. (Noorhassim), Iqbal, R. (Romaina), Kelishadi, R. (Roya), Khatib, R. (Rasha), Lanas, F. (Fernando), Lear, S.A. (Scott A), Li, W. (Wei), Liu, J. (Jia), Lopez-Jaramillo, P. (Patricio), Mohan, V. (Viswanathan), Monsef, N. (Nahed), Mony, P.K. (Prem K), Puoane, T. (Thandi), Rangarajan, S. (Sumathy), Rosengren, A. (Annika), Schutte, A.E. (Aletta E), Sintaha, M. (Mariz), Teo, K.K. (Koon K), Wielgosz, A. (Andreas), Yeates, K. (Karen), Yin, L. (Lu), Yusoff, K. (Khalid), Zatońska, K. (Katarzyna), Yusuf, S. (Salim), McKee, M. (Martin), Murphy, A. (Adrianna), Palafox, B. (Benjamin), O'Donnell, O.A. (Owen), Stuckler, D. (David), Perel, P. (Pablo), AlHabib, K.F. (Khalid F), Avezum, A. (Alvaro), Bai, X. (Xiulin), Chifamba, J. (Jephat), Chow, C.K. (Clara K), Corsi, D.J. (Daniel J), Dagenais, G.R. (Gilles R), Dans, A.L. (Antonio L), Díaz, R. (Rafael), Erbakan, A.N. (Ayse N), Ismail, N. (Noorhassim), Iqbal, R. (Romaina), Kelishadi, R. (Roya), Khatib, R. (Rasha), Lanas, F. (Fernando), Lear, S.A. (Scott A), Li, W. (Wei), Liu, J. (Jia), Lopez-Jaramillo, P. (Patricio), Mohan, V. (Viswanathan), Monsef, N. (Nahed), Mony, P.K. (Prem K), Puoane, T. (Thandi), Rangarajan, S. (Sumathy), Rosengren, A. (Annika), Schutte, A.E. (Aletta E), Sintaha, M. (Mariz), Teo, K.K. (Koon K), Wielgosz, A. (Andreas), Yeates, K. (Karen), Yin, L. (Lu), Yusoff, K. (Khalid), Zatońska, K. (Katarzyna), Yusuf, S. (Salim), and McKee, M. (Martin)
- Abstract
Background: There is little evidence on the use of secondary prevention medicines for cardiovascular disease by socioeconomic groups in countries at different levels of economic development. Methods: We assessed use of antiplatelet, cholesterol, and blood-pressure-lowering drugs in 8492 individuals with self-reported cardiovascular disease from 21 countries enrolled in the Prospective Urban Rural Epidemiology (PURE) study. Defining one or more drugs as a minimal level of secondary prevention, wealth-related inequality was measured using the Wagstaff concentration index, scaled from −1 (pro-poor) to 1 (pro-rich), standardised by age and sex. Correlations between inequalities and national health-related indicators were estimated. Findings: The proportion of patients with cardiovascular disease on three medications ranged from 0% in South Africa (95% CI 0–1·7), Tanzania (0–3·6), and Zimbabwe (0–5·1), to 49·3% in Canada (44·4–54·3). Proportions receiving at least one drug varied from 2·0% (95% CI 0·5–6·9) in Tanzania to 91·4% (86·6–94·6) in Sweden. There was significant (p<0·05) pro-rich inequality in Saudi Arabia, China, Colombia, India, Pakistan, and Zimbabwe. Pro-poor distributions were observed in Sweden, Brazil, Chile, Poland, and the occupied Palestinian territory. The strongest predictors of inequality were public expenditure on health and overall use of secondary prevention medicines. Interpretation: Use of medication for secondary prevention of cardiovascular disease is alarmingly low. In many countries with the lowest use, pro-rich inequality is greatest. Policies associated with an equal or pro-poor distribution include free medications and community health programmes to support adherence to medications. Funding: Full funding sources listed at the end of the paper (see Acknowledgments).
- Published
- 2018
- Full Text
- View/download PDF
30. Delayed hydride cracking in zirconium alloys in a temperature gradient
- Author
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Sagat, S., Chow, C.K., Puls, M.P., and Coleman, C.E.
- Published
- 2000
- Full Text
- View/download PDF
31. OC10_06 Is Optimal Coverage With Secondary Prevention Medicines Cost-Effective Compared to Existing Practice in Western Australia?
- Author
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Atkins, E., primary, Chow, C.K., additional, Briffa, T., additional, and Geelhoed, E., additional
- Published
- 2016
- Full Text
- View/download PDF
32. PM082 Interventions to Improve Medication Adherence in Coronary Disease Patients: A Systematic Review of Randomised Controlled Trials
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Santo, K., primary, Kirkendall, S., additional, Laba, T., additional, Thakkar, J., additional, Webster, R., additional, Chalmers, J., additional, Chow, C.K., additional, and Redfern, J., additional
- Published
- 2016
- Full Text
- View/download PDF
33. PT209 Wealth and Cardiovascular Health: An Observational Study of Wealth-Related Inequalities in The Awareness, Treatment and Control of Hypertension in 21 High-, Middle-, and Low-Income Countries
- Author
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Palafox, B., primary, McKee, M., additional, Chow, C.K., additional, Corsi, D.J., additional, Stuckler, D., additional, Teo, K., additional, Rangarajan, S., additional, and Yusuf, S., additional
- Published
- 2016
- Full Text
- View/download PDF
34. Screening families of patients with premature coronary heart disease to identify avoidable cardiovascular risk: a cross-sectional study of family members and a general population comparison group
- Author
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Thompson, H.J., Pell, A.C.H., Anderson, J., Chow, C.K., and Pell, J.
- Subjects
RA - Abstract
Background:\ud \ud Primary prevention should be targeted at individuals with high global cardiovascular risk, but research is lacking on how best to identify such individuals in the general population. Family history is a good proxy measure of global risk and may provide an efficient mechanism for identifying high risk individuals. The aim was to test the feasibility of using patients with premature cardiovascular disease to recruit family members as a means of identifying and screening high-risk individuals.\ud Findings:\ud \ud We recruited family members of 50 patients attending a cardiology clinic for premature coronary heart disease (CHD). We compared their cardiovascular risk with a general population control group, and determined their perception of their risk and current level of screening. 103 (36%) family members attended screening (27 siblings, 48 adult offspring and 28 partners). Five (5%) had prevalent CHD. A significantly higher percentage had an ASSIGN risk score >20% compared with the general population (13% versus 2%, p < 0.001). Only 37% of family members were aware they were at increased risk and only 50% had had their blood pressure and serum cholesterol level checked in the previous three years.\ud Conclusions:\ud \ud Patients attending hospital for premature CHD provide a mechanism to contact family members and this can identify individuals with a high global risk who are not currently screened.
- Published
- 2010
35. Inflammatory breast cancer: dynamic contrast-enhanced MR in patients receiving bevacizumab. Initial experience
- Author
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Thukral, A. (Arpi), Thomasson, D.M. (David M.), Chow, C.K. (Catherine K.), Garcia-de-Eulate, R. (Reyes), Wedam, S.B. (Suparna B.), Gupta, S.N. (Sandeep N.), Wise, B.J. (Betty J.), Steinberg, S.M. (Seth M.), Liewehr, D.J. (David J.), Choyke, P.L. (Peter L.), and Swain, S.M. (Sandra M.)
- Subjects
Contrast Media/pharmacokinetics ,Antineoplastic Combined Chemotherapy Protocols ,Magnetic Resonance Imaging - Abstract
To retrospectively compare three dynamic contrast material-enhanced magnetic resonance (MR) imaging (dynamic MR imaging) analytic methods to determine the parameter or combination of parameters most strongly associated with changes in tumor microvasculature during treatment with bevacizumab alone and bevacizumab plus chemotherapy in patients with inflammatory or locally advanced breast cancer. MATERIALS AND METHODS: This study was conducted in accordance with the institutional review board of the National Cancer Institute and was compliant with the Privacy Act of 1974. Informed consent was obtained from all patients. Patients with inflammatory or locally advanced breast cancer were treated with one cycle of bevacizumab alone (cycle 1) followed by six cycles of combination bevacizumab and chemotherapy (cycles 2-7). Serial dynamic MR images were obtained, and the kinetic parameters measured by using three dynamic analytic MR methods (heuristic, Brix, and general kinetic models) and two region-of-interest strategies were compared by using two-sided statistical tests. A P value of .01 was required for significance. RESULTS: In 19 patients, with use of a whole-tumor region of interest, the authors observed a significant decrease in the median values of three parameters measured from baseline to cycle 1: forward transfer rate constant (Ktrans) (-34% relative change, P=.003), backflow compartmental rate constant extravascular and extracellular to plasma (Kep) (-15% relative change, P
- Published
- 2007
36. FRACTURE CONTROL USING ELASTIC-PLASTIC FRACTURE MECHANICS
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Simpson, L.A., primary, Hosbons, R.R., additional, Davies, P.H., additional, and Chow, C.K., additional
- Published
- 1988
- Full Text
- View/download PDF
37. BOUNDARY DETECTION OF RADIOGRAPHIC IMAGES BY A THRESHOLD METHOD
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Chow, C.K., primary and Kaneko, T., additional
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- 1972
- Full Text
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38. On Optimum Recognition Error and Reject Tradeoff
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Chow, C.K. and Chow, C.K.
- Abstract
The performance of a pattern recognition system is characterized by its error and reject tradeoff. This paper describes an optimum rejection rule and presents a general relation between the error and reject probabilities and some simple properties of the tradeoff in the optimum recognition system. The error rate can be directly evaluated from the reject function. Some practical implications of the results are discussed. Examples in normal distributions and uniform distributions are given.
- Published
- 2004
39. Energy management and design of centralized air-conditioning systems through the non-revisiting strategy for heuristic optimization methods
- Author
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Fong, K.F., primary, Yuen, S.Y., additional, Chow, C.K., additional, and Leung, S.W., additional
- Published
- 2010
- Full Text
- View/download PDF
40. UV-written long-period waveguide grating coupler for broadband add/drop multiplexing
- Author
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Chow, C.K., primary, Chiang, K.S., additional, Liu, Q., additional, Lor, K.P., additional, and Chan, H.P., additional
- Published
- 2009
- Full Text
- View/download PDF
41. Polychlorinated and polybrominated biphenyl congeners and retinoid levels in rat tissues : structure-activity relationships
- Author
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Chen, L.C., Berberian, I., Koch, B., Mercier, M., Azaïs-Braesco, Véronique, Glauert, H.P., Chow, C.K., Robertson, L.W., ProdInra, Migration, Laboratoire de nutrition et sécurité alimentaire, and Institut National de la Recherche Agronomique (INRA)
- Subjects
[SDV] Life Sciences [q-bio] ,[SDV]Life Sciences [q-bio] ,RAT - Published
- 1992
42. Cardiovascular Morbidity and Mortality in a Rural Developing Region of Andhra Pradesh, India
- Author
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Joshi, R., primary, Chow, C.K., additional, Raju, R., additional, Raju, P.K., additional, Reddy, K.S., additional, and Neal, B., additional
- Published
- 2007
- Full Text
- View/download PDF
43. Effects of pH and hydrogen-bonding on the growth and characterization of ZnCd(SCN)4
- Author
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Wang, X.Q., primary, Xu, D., additional, Chow, Y.T., additional, Zhang, G.H., additional, Lü, M.K., additional, Yuan, D.R., additional, Chan, H.P., additional, Sun, H.Q., additional, Geng, Y.L., additional, Chow, C.K., additional, Ren, Q., additional, and Chu, P.L., additional
- Published
- 2004
- Full Text
- View/download PDF
44. Widely tunable polymer long-period waveguide grating with polarisation-insensitive resonance wavelength
- Author
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Chiang, K.S., primary, Chow, C.K., additional, Chan, H.P., additional, Liu, Q., additional, and Lor, K.P., additional
- Published
- 2004
- Full Text
- View/download PDF
45. Widely tunable long-period gratings fabricated in polymer-clad ion-exchanged glass waveguides
- Author
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Chiang, K.S., primary, Lor, K.P., additional, Chow, C.K., additional, Chan, H.P., additional, Rastogi, V., additional, and Chu, Y.M., additional
- Published
- 2003
- Full Text
- View/download PDF
46. Dietary vitamin E and selenium and toxicity of nitrite and nitrate
- Author
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Chow, C.K., primary and Hong, C.B., additional
- Published
- 2002
- Full Text
- View/download PDF
47. Hydrogen ingress through EDM surfaces of Zr–2.5Nb pressure-tube material
- Author
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Chow, C.K., primary, Brady, G.R., additional, Urbanic, V.F., additional, and Coleman, C.E., additional
- Published
- 1998
- Full Text
- View/download PDF
48. Effect of thickness on the fracture toughness of irradiated Zr-2.5Nb pressure tubes
- Author
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Chow, C.K., primary and Nho, K.H., additional
- Published
- 1997
- Full Text
- View/download PDF
49. Production bias — a potential driving force for irradiation growth
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Holt, R.A., primary, Woo, C.H., additional, and Chow, C.K., additional
- Published
- 1993
- Full Text
- View/download PDF
50. On generation of elliptical distributions with Gaussian form covariance matrix
- Author
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Chow, C.K., primary and Raemer, H.R., additional
- Published
- 1993
- Full Text
- View/download PDF
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