Research Topics
| Kwok Ming HoSummaryAffiliation: Western Australia Country: Australia Publications
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Publications
Forest and funnel plots illustrated the calibration of a prognostic model: a descriptive studyKwok Ming Ho
Department of Intensive Care, Royal Perth Hospital, School of Population Health, University of Western Australia, Perth, WA 6000, Australia
J Clin Epidemiol 60:746-751. 2007..To describe the use of forest and funnel plots to assess the uniformity of fit in the calibration of a prognostic model for critically ill patients...
Prevalence of thrombocytosis in critically ill patients and its association with symptomatic acute pulmonary embolism. A multicentre registry studyKwok M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, WA 6000, Australia
Thromb Haemost 109:272-9. 2013..In summary, thrombocytosis was associated with an increased risk of symptomatic acute PE. PESI was useful in predicting mortality across a wide range of severity of acute PE...
Reactive thrombocytosis and risk of subsequent venous thromboembolism: a cohort studyK M Ho
Department of Intensive Care Medicine and School of Population Health, Royal Perth Hospital and University of Western Australia, Perth, Australia
J Thromb Haemost 10:1768-74. 2012..This study assessed the incidence of reactive thrombocytosis, defined as platelet count ≥ 500 × 10(9) L(-1) , at intensive care unit discharge and its association with subsequent venous thromboembolism...
An injury awareness education program on outcomes of juvenile justice offenders in Western Australia: an economic analysisKwok M Ho
University of Western Australia, Perth, Australia
BMC Health Serv Res 12:279. 2012..This study aimed to analyze the costs and benefits of an injury awareness education program, the P.A.R.T.Y. (Prevent Alcohol and Risk-related Trauma in Youth) program, for juvenile justice offenders in Western Australia...
Cost-effectiveness of using recombinant activated factor VII as an off-label rescue treatment for critical bleeding requiring massive transfusionKwok M Ho
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
Transfusion 52:1696-702. 2012..Recombinant activated factor VII (rFVIIa) is widely used as an off-label rescue treatment for patients with nonhemophilic critical bleeding...
Effect of an injury awareness education program on risk-taking behaviors and injuries in juvenile justice offenders: a retrospective cohort studyKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Australia
PLoS ONE 7:e31776. 2012..Risk-taking behavior is a leading cause of injury and death amongst young people...
Landmark survival as an end-point for trials in critically ill patients--comparison of alternative durations of follow-up: an exploratory analysisGopal Taori
Department of Intensive Care, Austin Hospital, Studley Road, Melbourne 3084, Australia
Crit Care 13:R128. 2009..However, the optimal duration of follow-up for the determination of mortality endpoint in such trials is uncertain. We aimed to determine the most logical and practical mortality end-point in clinical trials of critically ill patients...
Benefits and risks of furosemide in acute kidney injuryK M Ho
Royal Perth Hospital and University of Western Australia, Perth, WA, Australia
Anaesthesia 65:283-93. 2010..In patients with acute lung injury without haemodynamic instability, furosemide may be useful in achieving fluid balance to facilitate mechanical ventilation according to the lung-protective ventilation strategy...
Prevention of atrial fibrillation in cardiac surgery: time to consider a multimodality pharmacological approachKwok M Ho
Department of Intensive Care Medicine, Royal Perth Hospital and School of Population Health, University of Western Australia, Perth, WA 6000, Australia
Cardiovasc Ther 28:59-65. 2010..Randomized controlled trials evaluating the effectiveness of a multimodality pharmacological approach in patients at high-risk of AF after cardiac surgery are needed...
Benefits and risks of maintaining normothermia during cardiopulmonary bypass in adult cardiac surgery: a systematic reviewKwok M Ho
Intensive Care Specialist, Department of Intensive Care Medicine, Royal Perth Hospital, Perth, WA 6000, Australia
Cardiovasc Ther 29:260-79. 2011..The current evidence suggests that maintaining normothermia during cardiopulmonary bypass in adult cardiac surgery is as safe as that of hypothermic surgery, and associated with a reduced risk of allogeneic blood transfusion...
Benefits and risks of corticosteroid prophylaxis in adult cardiac surgery: a dose-response meta-analysisKwok M Ho
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, WA, Australia
Circulation 119:1853-66. 2009..This meta-analysis assessed whether the benefits and risks of corticosteroid use were dose dependent in adult cardiac surgery...
The effect of comorbidities on risk of intensive care readmission during the same hospitalization: a linked data cohort studyKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Australia
J Crit Care 24:101-7. 2009..The aim of this study is to assess the effect of comorbidities on risk of readmission to an intensive care unit (ICU) and the excess hospital mortality associated with ICU readmissions...
A comparison of central and mixed venous oxygen saturation in circulatory failureKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, WA, Australia
J Cardiothorac Vasc Anesth 24:434-9. 2010..The purpose of this study was to evaluate whether central venous oxygen saturation can be used as an alternative to mixed venous oxygen saturation in patients with cardiogenic and septic shock...
Estimating long-term survival of critically ill patients: the PREDICT modelKwok M Ho
School of Population Health, University of Western Australia and Royal Perth Hospital, Perth, Western Australia, Australia
PLoS ONE 3:e3226. 2008..Long-term survival outcome of critically ill patients is important in assessing effectiveness of new treatments and making treatment decisions. We developed a prognostic model for estimation of long-term survival of critically ill patients...
Risk factors and outcome associated with hypomagnesemia in massive transfusionKwok M Ho
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Australia
Transfusion 51:270-6. 2011..Electrolyte disturbances are common in patients with critical bleeding requiring massive transfusion. The risk factors and outcome associated with the occurrence of hypomagnesemia in massive transfusion remain uncertain...
Extracranial injuries are important in determining mortality of neurotraumaKwok M Ho
Department of Intensive Care Medicine, Trauma Service, Royal Perth Hospital, and the School of Population Health, University of Western Australia, Perth, Western Australia
Crit Care Med 38:1562-8. 2010..This study aimed to assess the significance of extracranial injuries, as measured by Injury Severity Score, on 6-mo and 9-yr mortality of neurotrauma...
Incidence and risk factors for fatal pulmonary embolism after major trauma: a nested cohort studyK M Ho
Department of Intensive Care Medicine, School of Population Health, University of Western Australia, Australia
Br J Anaesth 105:596-602. 2010..Venous thromboembolism is common after major trauma. Strategies to prevent fatal pulmonary embolism (PE) are widely utilized, but the incidence and risk factors for fatal PE are poorly understood...
Lack of effect of unrefrigerated young whole blood transfusion on patient outcomes after massive transfusion in a civilian settingKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Australia
Transfusion 51:1669-75. 2011..This study assessed whether unrefrigerated young whole blood transfusion, from donation to transfusion less than 24 hours, could reduce mortality of patients with critical bleeding in a civilian setting...
Use of L'Abbé and pooled calibration plots to assess the relationship between severity of illness and effectiveness in studies of corticosteroids for severe sepsisK M Ho
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, WA 6000, Australia
Br J Anaesth 106:528-36. 2011..This study described the use of L'Abbé and pooled calibration plots to assess the relationship between severity of illness and effectiveness of corticosteroids for severe sepsis...
Concentration-dependent effect of hypocalcaemia on mortality of patients with critical bleeding requiring massive transfusion: a cohort studyK M Ho
Department of Intensive Care, Royal Perth Hospital and School of Population Health, University of Western Australia, Perth, Western Australia, Australia
Anaesth Intensive Care 39:46-54. 2011..Further research is needed to determine whether preventing ionised hypocalcaemia can reduce mortality of patients with critical bleeding requiring massive transfusion...
Dose-related effect of smoking on mortality in critically ill patients: a multicentre cohort studyKwok M Ho
Intensive Care Unit, Royal Perth Hospital, Perth 6000, Australia
Intensive Care Med 37:981-9. 2011..This study assessed whether the intensity of smoking history, measured in pack-years, has a dose-related effect on mortality in critically ill patients...
Delayed neurological recovery after decompressive craniectomy for severe nonpenetrating traumatic brain injuryKwok M Ho
Department of Intensive Care Medicine, Royal Perth Hospital, School of Population Health, University of Western Australia, Western Australia
Crit Care Med 39:2495-500. 2011..This study aimed to assess the incidence and factors associated with delayed neurologic recovery after decompressive craniectomy for severe nonpenetrating traumatic brain injury...
Omission of early thromboprophylaxis and mortality in critically ill patients: a multicenter registry studyKwok M Ho
Department of Intensive Care Medicine and School of Population Health, Royal Perth Hospital, University of Western Australia, Wellington St, Perth, WA, 6000, Australia
Chest 140:1436-46. 2011..VTE is a preventable cause of death within hospitals. This study aimed to assess the association between omission of early thromboprophylaxis for > 24 h after ICU admission and mortality in critically ill patients...
Cost-effectiveness of decompressive craniectomy as a lifesaving rescue procedure for patients with severe traumatic brain injuryKwok M Ho
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
J Trauma 71:1637-44; discussion 1644. 2011..Decompressive craniectomy has been traditionally used as a lifesaving rescue procedure for patients with refractory intracranial hypertension after severe traumatic brain injury (TBI), but its cost-effectiveness remains uncertain...
Meta-analysis of N-acetylcysteine to prevent acute renal failure after major surgeryKwok M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, WA 6000, Australia
Am J Kidney Dis 53:33-40. 2009..Acute renal failure after major surgery is associated with significant mortality and morbidity that theoretically may be attenuated by N-acetylcysteine...
The effect of socioeconomic status on outcomes for seriously ill patients: a linked data cohort studyKwok M Ho
Royal Perth Hospital, Perth, WA, Australia
Med J Aust 189:26-30. 2008..To investigate the association between socioeconomic status (SES) and outcomes for seriously ill patients...
The use of propofol for medium and long-term sedation in critically ill adult patients: a meta-analysisKwok M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, WA, Australia
Intensive Care Med 34:1969-79. 2008..To investigate the effects of using propofol for medium and long-term sedation on mortality and length of intensive care unit (ICU) stay of critically ill adult patients...
The involvement of intensive care nurses in end-of-life decisions: a nationwide surveyKwok M Ho
Intensive Care Unit, Royal Perth Hospital, 6000 Perth, WA, Australia
Intensive Care Med 31:668-73. 2005..To investigate the prevalence and predictors of intensive care nurses' active involvement in end-of-life (EOL) decisions...
Use of intravenous magnesium to treat acute onset atrial fibrillation: a meta-analysisKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, WA, Australia
Heart 93:1433-40. 2007..To assess the effects of intravenous magnesium on converting acute onset atrial fibrillation to sinus rhythm, reducing ventricular response and risk of bradycardia...
Comparison of Acute Physiology and Chronic Health Evaluation (APACHE) II score with organ failure scores to predict hospital mortalityK M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, WA 6000, Australia
Anaesthesia 62:466-73. 2007..858 vs 0.822 and 0.819, respectively) in predicting hospital mortality. The APACHE II score predicted hospital mortality of critically ill patients better than the SOFA and RPHICU organ failure scores in our ICU...
C-reactive protein concentration as a predictor of intensive care unit readmission: a nested case-control studyKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, WA 6000, Australia
J Crit Care 21:259-65. 2006..The purpose of this study is to assess the ability of potential clinical predictors and inflammatory markers to predict intensive care unit (ICU) readmission during the same hospitalization...
Meta-analysis of frusemide to prevent or treat acute renal failureKwok M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia 6000
BMJ 333:420. 2006..To investigate the potential beneficial and adverse effects of frusemide to prevent or treat acute renal failure in adults...
Use of chlorhexidine-impregnated dressing to prevent vascular and epidural catheter colonization and infection: a meta-analysisKwok M Ho
Department of Intensive Care, Royal Perth Hospital Perth 6000, Western Australia, Australia
J Antimicrob Chemother 58:281-7. 2006..This meta-analysis assessed the effect of chlorhexidine-impregnated dressing on the risk of vascular and epidural catheter bacterial colonization and infection...
The outcome of critically ill Indigenous patientsKwok Ming Ho
Intensive Care, Royal Perth Hospital, Perth, WA, Australia
Med J Aust 184:496-9. 2006..To investigate the short-term outcome of critically ill Indigenous patients...
A comparison of early gastric and post-pyloric feeding in critically ill patients: a meta-analysisKwok M Ho
Intensive Care Unit, Royal Perth Hospital, WA 6000, Perth, Australia
Intensive Care Med 32:639-49. 2006..To investigate the potential beneficial and adverse effects of early post-pyloric feeding compared with gastric feeding in critically ill adult patients with no evidence of impaired gastric emptying...
A comparison of continuous and bi-level positive airway pressure non-invasive ventilation in patients with acute cardiogenic pulmonary oedema: a meta-analysisKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia, Australia
Crit Care 10:R49. 2006....
Hyperlactataemia induced by CVVHDF with low lactate bicarbonate-buffered solutions in patients with liver dysfunctionK M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, WA 6000, Australia
Nephrol Dial Transplant 21:1096-9. 2006
A comparison of admission and worst 24-hour Acute Physiology and Chronic Health Evaluation II scores in predicting hospital mortality: a retrospective cohort studyKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Wellington Street, Perth, WA 6000, Australia
Crit Care 10:R4. 2006..This study compares the performance of APACHE II scores calculated using admission data with those obtained from the worst values in the first 24 hours...
The use of prophylactic fluconazole in immunocompetent high-risk surgical patients: a meta-analysisKwok M Ho
Department of Intensive Care, Royal Perth Hospital, Australia
Crit Care 9:R710-7. 2005..We evaluated the effects of prophylactic fluconazole on the incidence of candidaemia and hospital mortality in immunocompetent high-risk surgical patients...
The impact of arterial oxygen tension on venous oxygen saturation in circulatory failureKwok Ming Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Australia
Shock 29:3-6. 2008..2% to 5.8%; P = 0.063). In conclusion, arterial oxygen tension has a significant effect on venous oxygen saturation, and this effect is more significant and consistent than the effect associated with changes in cardiac index...
Combining multiple comorbidities with Acute Physiology Score to predict hospital mortality of critically ill patients: a linked data cohort studyK M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, WA 6000, Australia
Anaesthesia 62:1095-100. 2007..Replacing the APACHE II weighted comorbidity score with other more comprehensive measures of comorbidity did not significantly improve the discrimination of the APACHE II score...
C-reactive protein concentration as a predictor of in-hospital mortality after ICU discharge: a prospective cohort studyKwok M Ho
Department of Intensive Care, Royal Perth Hospital, 6000, Perth, WA, Australia
Intensive Care Med 34:481-7. 2008..The objective was to assess the ability of potential clinical predictors and inflammatory markers within 24 h of intensive care unit (ICU) discharge to predict subsequent in-hospital mortality...
Intravenous magnesium for cardiac arrhythmias: jack of all tradesKwok Ming Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Australia
Magnes Res 21:65-8. 2008..Large randomised controlled studies are needed to confirm whether intravenous magnesium can improve patient centre outcomes in different cardiac arrhythmias...
Meta-analysis of nebulized amphotericin B to prevent or treat pulmonary aspergillosis in immunosuppressed animalsK M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia, Australia
Transpl Infect Dis 10:168-76. 2008..We assessed the prophylactic and therapeutic effect of nebulized amphotericin B (AmB) on mortality of immunosuppressed animals with pulmonary aspergillosis in this meta-analysis...
Bayesian approach to predict hospital mortality of intensive care readmissions during the same hospitalisationK M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 36:38-45. 2008....
Changes in case-mix and outcomes of critically ill patients in an Australian tertiary intensive care unitT A Williams
Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 38:703-9. 2010....
Combining sequential organ failure assessment (SOFA) score with acute physiology and chronic health evaluation (APACHE) II score to predict hospital mortality of critically ill patientsK M Ho
Intensive Care Unit, Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 35:515-21. 2007..Combining Max SOFA or Delta SOFA score with the APACHE II score may improve the accuracy of risk adjustment in outcome studies of critically ill patients...
A comparison of eosinopenia and C-reactive protein as a marker of bloodstream infections in critically ill patients: a case control studyK M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 37:450-6. 2009..A large prospective cohort study is needed to assess whether eosinopenia is useful in addition to C-reactive protein concentrations as a marker of bloodstream infections...
Effect of length of stay in intensive care unit on hospital and long-term mortality of critically ill adult patientsT A Williams
The University of Western Australia, Crawley, Australia
Br J Anaesth 104:459-64. 2010..This study assessed the independent effect of ICU LOS on in-hospital and long-term mortality after hospital discharge...
Effect of an episode of critical illness on subsequent hospitalisation: a linked data studyT A Williams
Critical Care Division, Royal Perth Hospital and The University of Western Australia, Perth, Australia
Anaesthesia 65:172-7. 2010..We conclude that an episode of critical illness is a robust predictor of subsequent healthcare utilisation...
The use of topical nonabsorbable gastrointestinal antifungal prophylaxis to prevent fungal infections in critically ill immunocompetent patients: a meta-analysisKwok Ming Ho
Department of Intensive Care, Royal Perth Hospital, School of Medicine and Pharmacology, University of Western Australia, Perth, Australia
Crit Care Med 33:2383-92. 2005....
Outcome of patients who have therapy withheld or withdrawn in ICUJ P Lewis
Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 35:387-92. 2007..Long-term survival in critically ill patients who had life support limitations was very rare in this ICU...
Inflammation, vitamin deficiencies and organ failure in critically ill patientsT B Corcoran
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Western Australia
Anaesth Intensive Care 37:740-7. 2009....
Prevalence of vitamin deficiencies on admission: relationship to hospital mortality in critically ill patientsT B Corcoran
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 37:254-60. 2009..Biochemical deficiencies of water-soluble and antioxidant vitamins are common on admission in unplanned or emergency admissions to the intensive care unit, but we could not demonstrate an independent association with hospital mortality...
Risk factors and outcomes of methicillin-resistant Staphylococcus aureus bacteraemia in critically ill patients: a case control studyK M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 37:457-63. 2009..MRSA bacteraemia carries a much worse long-term prognosis than MSSA bacteraemia and that could be explained by recurrent MRSA infections and residual confounding...
Risk factors and outcomes of high-dependency patients requiring intensive care unit admission: a nested case-control studyA Gould
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 38:855-61. 2010..55 to 2.11). In summary, high-dependency patients requiring ICU admission were uncommon unless they had multi-organ failure and their hospital mortality was not significantly different from other emergency ICU admissions...
An update on C-reactive protein for intensivistsK M Ho
Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 37:234-41. 2009..In summary, CRP concentration is an important prognostic factor of many acute and chronic diseases. Serial CRP measurements may be useful to reflect a patient's response to therapy that aims to modify the underlying inflammatory process...
Use of remifentanil as a sedative agent in critically ill adult patients: a meta-analysisJ A Tan
Department of Intensive Care Medicine, Royal Perth Hospital, Perth, Australia
Anaesthesia 64:1342-52. 2009..08 (95% CI 0.64-1.82); p = 0.77) when compared to an alternative sedative or analgesic agent. The current evidence does not support the routine use of remifentanil as a sedative agent in critically ill adult patients...
Use of isotonic sodium bicarbonate to prevent radiocontrast nephropathy in patients with mild pre-existing renal impairment: a meta-analysisK M Ho
Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 36:646-53. 2008..A large randomised controlled study is needed to confirm whether isotonic bicarbonate can improve patient centred clinical outcomes...
The effect of aprotinin on risk of acute renal failure requiring dialysis after on-pump cardiac surgeryA Raajkumar
Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia, Australia
Anaesth Intensive Care 36:374-8. 2008..The use of low-dose aprotinin did not significantly reduce perioperative transfusion requirements and was not a significant risk factor for acute renal failure requiring dialysis in our patients...
