Research Topics
| A F MerrySummaryAffiliation: University of Auckland Country: New Zealand Publications
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Detail Information
Publications
Evaluation in an anaesthetic simulator of a prototype of a new drug administration system designed to reduce errorA F Merry
Department of Anaesthesia, Green Lane Hospital, Private Bag 92189, Auckland 1130, New Zealand
Anaesthesia 57:256-63. 2002..346 s; p < 0.001) and during anaesthesia (20 vs. 104 s; p < 0.001). Comments facilitated development of the system and the evaluation endorsed proceeding to a clinical trial...
Patient safety in an interprofessional learning environmentMargaret Horsburgh
Faculty of Medical and Health Sciences, University of Auckland, New Zealand
Med Educ 39:512-3. 2005
Ethics, industry, and outcomesAlan F Merry
Department of Anaesthesiology, University of Auckland, Auckland, New Zealand
Semin Cardiothorac Vasc Anesth 12:7-11. 2008..Pushing the limits of ethics in research threatens to undermine not only the reputation of those conducting the research but also the standing of science itself...
Anaesthetic drug administration as a potential contributor to healthcare-associated infections: a prospective simulation-based evaluation of aseptic techniques in the administration of anaesthetic drugsDerryn A Gargiulo
Department of Anaesthesiology, University of Auckland, Auckland, New Zealand
BMJ Qual Saf 21:826-34. 2012..To evaluate the possibility that anaesthetists are administering potentially pathogenic micro-organisms to their patients...
Campaigning for safetyAlan F Merry
University of Auckland and Green Lane, Department of Anesthesia, Auckland City Hospital, Auckland, New Zealand
J Extra Corpor Technol 44:P16-9. 2012..The PDU is well placed to support quality improvement in perfusion by providing such data...
Are two internal thoracic artery grafts as safe as one? Experience from Green Lane HospitalArul Baradi
Department of General Medicine, Auckland City Hospital, Auckland New Zealand
N Z Med J 125:36-41. 2012..Patients receiving BITA grafts were case-matched with patients receiving SITA grafts for confounding factors and comparison was made between perioperative outcomes in the two groups...
An iterative process of global quality improvement: the International Standards for a Safe Practice of Anesthesia 2010Alan F Merry
Department of Anaesthesiology, University of Auckland, Auckland 1142, New Zealand
Can J Anaesth 57:1021-6. 2010..They are designed particularly for regions that have yet to formulate or adopt their own standards so as to promote optimum patient outcomes in every anesthetizing location in the world...
Combined acetaminophen and ibuprofen for pain relief after oral surgery in adults: a randomized controlled trialA F Merry
Department of Anaesthesiology, University of Auckland, Private Bag 92019, Auckland, New Zealand
Br J Anaesth 104:80-8. 2010..We compared this combination with each of the constituent drugs for the relief of pain after extraction of third molar teeth...
A new infusion syringe label system designed to reduce task complexity during drug preparationA F Merry
Department of Anasethesiology, School of Medicine, University of Aukland, and Green Lane Department of Anaesthesia, Aukland City Hospital, Aukland, New Zealand
Anaesthesia 62:486-91. 2007..045, Chi-squared test). Despite the difficulties of demonstrating significant benefit from safety initiatives in medicine, these data suggest that targeted system redesign can be effective inreducing error...
Invited commentaryAlan F Merry
Department of Anesthesiology, University of Auckland, Private Bag 92019, Auckland, New Zealand 1003
Ann Thorac Surg 84:840. 2007
Safety in anaesthesiaAlan F Merry
Department of Anaesthesiology, University of Auckland, Private Bag 92019, Auckland, New Zealand
J Perioper Pract 19:348-51. 2009..Use of this checklist has been shown to reduce harm. Incident reporting will be invaluable in monitoring its effectiveness and identifying areas for refinement...
Focus on thrombin: alternative anticoagulantsAlan F Merry
Department of Anaesthesiology, University of Auckland, Auckland, New Zealand
Semin Cardiothorac Vasc Anesth 11:256-60. 2007..Balanced anticoagulation using combinations of drugs that act at different stages in the coagulation system may improve the management of coagulation in cardiac surgery, but careful investigation of this concept is needed...
Human factors and the cardiac surgical team: a role for simulationAlan F Merry
Department of Anesthesiology, University of Auckland, Auckland, New Zealand
J Extra Corpor Technol 39:264-6. 2007..In the longer-term, comprehensive simulations of cardiac surgical procedures involving all participants in meaningful simulated roles may be possible...
The Professor Merry Lecture: Endings and beginningsAlan F Merry
Department of Anaesthesiology, University of Auckland, Auckland, New Zealand
J Extra Corpor Technol 43:P17-22. 2011..It is, nevertheless, important that all involved are cognizant of the practical and ethical issues at stake...
Clinical tolerability of perioperative tenoxicam in 1001 patients--a prospective, controlled, double-blind, multi-centre studyAlan F Merry
Department of Anaesthesiology, School of Medicine, University of Auckland, Private Bag 92 019, Green Lane Department of Anaesthesia, Auckland City Hospital, Auckland, New Zealand
Pain 111:313-22. 2004....
Multimodal system designed to reduce errors in recording and administration of drugs in anaesthesia: prospective randomised clinical evaluationAlan F Merry
Department of Anaesthesiology, Faculty of Medical and Health Sciences, University of Auckland, Private Bag 92 019, Auckland 1142, New Zealand
BMJ 343:d5543. 2011..To clinically evaluate a new patented multimodal system (SAFERSleep) designed to reduce errors in the recording and administration of drugs in anaesthesia...
The contribution of labelling to safe medication administration in anaesthetic practiceAlan F Merry
Department of Anaesthesiology, University of Auckland, Private Bag 92019, Auckland 1142, Auckland City Hospital, New Zealand
Best Pract Res Clin Anaesthesiol 25:145-59. 2011..Any medicine or fluid that cannot be identified (e.g., in an unlabelled syringe or other container) should be considered unsafe and discarded. Reducing adverse medication events will require the engagement of individual anaesthetists...
A simulation design for research evaluating safety innovations in anaesthesia*A F Merry
Department of Anaesthesiology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
Anaesthesia 63:1349-57. 2008..46, so in future studies 21 subjects would provide 80% statistical power to show a reduction in error rate of 30% from baseline with p<or=0.05. Our research design will facilitate the evaluation of safety initiatives in anaesthesia...
Medication errors--new approaches to preventionAlan F Merry
Department of Anaesthesiology, University of Auckland, and Auckland City Hospital, Auckland, New Zealand
Paediatr Anaesth 21:743-53. 2011....
To do or not to do?--How people make decisionsAlan F Merry
Department of Anaesthesiology, University of Auckland, Auckland, New Zealand
J Extra Corpor Technol 43:P39-43. 2011..It follows that the very extensive experience of some of the older practitioners may have been more valuable in decision making than many of the very reasonable and logical advances that have influenced modern practice...
Bivalirudin versus heparin and protamine in off-pump coronary artery bypass surgeryAlan F Merry
Department of Cardiothoracic Surgery, Green Lane Hospital, Auckland, New Zealand
Ann Thorac Surg 77:925-31; discussion 931. 2004..We also assessed flow with angiography at 3 months using a modified Thombolysis in Myocardial Infarction (TIMI) grade in the grafted coronary arteries...
Bivalirudin, blood loss, and graft patency in coronary artery bypass surgeryAlan F Merry
University of Auckland and Green Lane Hospital, Auckland, New Zealand
Semin Thromb Hemost 30:337-46. 2004..A larger study is needed to investigate the impact of improved graft patency on other clinical outcomes after cardiac surgery...
The impact of trained assistance on error rates in anaesthesia: a simulation-based randomised controlled trialJ M Weller
Centre for Medical and Health Science Education, University of Auckland and Department of Anaesthesia, Auckland City Hospital, Auckland, New Zealand
Anaesthesia 64:126-30. 2009..This provides objective evidence supporting the requirement for trained assistance to the anaesthetist, and furthermore, demonstrates that a simulation-based model can provide rigorous evidence on safety interventions in anaesthesia...
Mini-clinical evaluation exercise in anaesthesia trainingJ M Weller
Auckland City Hospital, Park Road, Grafton, Auckland, New Zealand
Br J Anaesth 102:633-41. 2009..In this study, we evaluated the psychometric characteristics, logistics of application, and impact on the quality of supervision of the Mini-CEX in anaesthesia training...
Investigation of trainee and specialist reactions to the mini-Clinical Evaluation Exercise in anaesthesia: implications for implementationJ M Weller
Centre for Medical and Health Sciences Education, University of Auckland, Private Bag 92019, Auckland, New Zealand
Br J Anaesth 103:524-30. 2009..However, its value depends on how supervisors use it with their trainees. This study analyses experience with the mini-CEX after its introduction into anaesthesia departments in our institution...
Standards for simulation in anaesthesia: creating confidence in the toolsD Cumin
Department of Anaesthesiology, University of Auckland, Auckland, New Zealand
Br J Anaesth 105:45-51. 2010..The absence of standards undermines confidence in the results of any simulation-based endeavour and increases the risk of negative learning. We propose a practical framework for setting standards for simulators for anaesthesia...
The frequency and nature of drug administration error during anaesthesiaC S Webster
Department of Anaesthesia, Green Lane Hospital, Auckland, New Zealand
Anaesth Intensive Care 29:494-500. 2001..In addition, 47 transient physiological effects were reported, of which five required intervention. We conclude that drug administration error during anaesthesia is considerably more frequent than previously reported...
A prospective, randomised clinical evaluation of a new safety-orientated injectable drug administration system in comparison with conventional methodsC S Webster
Department of Anaesthesia, Green Lane Hospital, Private Bag 92 189, Auckland, New Zealand
Anaesthesia 59:80-7. 2004..Prefilled syringes for the new system increased costs by euro 23.00 per anaesthetic (p = 0.041), but this increase is likely to be offset by the potential of the new system to decrease costly iatrogenic harm by preventing drug error...
A new, safety-oriented, integrated drug administration and automated anesthesia record systemA F Merry
Department of Anaesthesia, Green Lane Hospital, Auckland 1130, New Zealand
Anesth Analg 93:385-90 , 3rd contents page. 2001..By using sound principles of systems design and human factors psychology, we have designed and deployed a system with the aim of improving patient safety by facilitating correct drug administration and accurate anesthesia record making...
Tenoxicam 20 mg or 40 mg after thoracotomy: a prospective, randomized, double-blind, placebo-controlled studyA F Merry
Department of Anaesthesia, Green Lane Hospital, Auckland, New Zealand
Anaesth Intensive Care 30:160-6. 2002..These data support the inclusion of tenoxicam 20 mg IV in the management of pain at rest for patients undergoing thoracotomy, but do not show additional benefit for a higher dose...
A national survey of infection control practice by New Zealand anaesthetistsA J Ryan
Melbourne Anaesthetic Group, Melbourne, Victoria and Department of Anaesthesiology, School of Medicine, University of Auckland, Auckland, New Zealand
Anaesth Intensive Care 34:68-74. 2006..However, these data suggest more effort is required to promote compliance with appropriate guidelines...
Does manual anaesthetic record capture remove clinically important data?J M van Schalkwyk
Auckland City Hospital, P Bag 92024, Auckland 1023, New Zealand
Br J Anaesth 107:546-52. 2011..We therefore sought to determine whether the behaviour of anaesthetists differed in assessing anaesthetic records re-synthesized from either handwritten or automated records...
Touch contamination levels during anaesthetic procedures and their relationship to hand hygiene procedures: a clinical auditA F Merry
Department of Anaesthesia, Green Lane Hospital, Auckland, New Zealand
Br J Anaesth 87:291-4. 2001..73), and neither was an air towel alone (2.5, 15, 80; P=0.176) nor the hospital's standard procedure (0, 1, 500; P=0.035). If hand preparation is needed, an adequate and validated method should be used, together with thorough hand drying...
Education in airway managementP A Baker
Department of Anaesthesiology, The University of Auckland, New Zealand
Anaesthesia 66:101-11. 2011..Expertise stems from deliberate practice and a desire constantly to improve performance with a career-long commitment to education...
Cost-effectiveness of spinal cord stimulation in patients with intractable anginaA F Merry
Department of Anaesthesia, Green Lane Hospital, Auckland
N Z Med J 114:179-81. 2001..To review the cost of healthcare utilisation by patients suffering from intractable angina, unsuitable for coronary revascularisation, before and after treatment with spinal cord stimulation...
Lignocaine: neuro-protective or wishful thinking?Simon J Mitchell
Department of Anesthesiology, University ofAuckland and Auckland City Hospital, Auckland, New Zealand
J Extra Corpor Technol 41:P37-42. 2009..However, two further RCTs have failed to demonstrate benefit. Lignocaine cannot be recommended for neuro-protection in cardiac surgery at this time, but a role in clinical neuro-protection in this or other contexts is not ruled out...
Cerebral protection by lidocaine during cardiac operations: a follow-up studySimon J Mitchell
Department of Anaesthesiology, University of Auckland, Private Bag, Auckland, New Zealand
Ann Thorac Surg 87:820-5. 2009..In the present study, we aimed to test the benefit of a 12-hour infusion in a broader group of cardiac surgery patients, including those undergoing coronary artery bypass graft surgery...
Interdisciplinary team interactions: a qualitative study of perceptions of team function in simulated anaesthesia crisesJennifer M Weller
Centre for Medical and Health Sciences Education, Faculty of Medical and Health Science, University of Auckland, Auckland, New Zealand
Med Educ 42:382-8. 2008..We placed anaesthesia teams into a stressful environment in order to explore interactions between members of different professional groups and to investigate their perspectives on the impact of these interactions on team performance...
TADAA: Towards Automated Detection of Anaesthetic ActivityB R Houliston
AURA Laboratory, School of Computing and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand
Methods Inf Med 50:464-71. 2011..Human observers are the current 'gold standard' for capturing task data, but they are expensive and have cognitive limitations...
Treatment of recurrent chest pain in a heart transplant recipient using spinal cord stimulationH Singh
Green Lane Department of Cardiothoracic and Otorhinolaryngology Anaesthesia, Auckland City Hospital, Grafton, Auckland, New Zealand
Anaesth Intensive Care 36:242-4. 2008..The patient was weaned from opioids and after six months had needed no further hospital admissions. We recommend consideration of spinal cord stimulation in patients with features of angina pectoris following heart transplantation...
Simulators for use in anaesthesiaD Cumin
Department of Anaesthesiology, Faculty of Medical and Health Sciences, University of Auckland, Auckland City Hospital, New Zealand
Anaesthesia 62:151-62. 2007..We have found no common terminology amongst authors for describing or classifying simulators, and propose a framework for describing (or classifying) them that is simple, clear and applicable to any simulator...
The effect of time of day on the duration of neuromuscular blockade elicited by rocuroniumJ F Cheeseman
Department of Anaesthesiology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
Anaesthesia 62:1114-20. 2007..005). A similar pattern was observed for the maintenance dose. The duration of action of rocuronium is influenced by time of day and this effect is of potential clinical significance and practical relevance to research...
Cerebral ischemic lesions on diffusion-weighted imaging are associated with neurocognitive decline after cardiac surgeryP Alan Barber
Departments of Neurology, Auckland City Hospital, Park Road, Grafton, Auckland, New Zealand
Stroke 39:1427-33. 2008..We aimed to investigate (1) the rate of stroke, new ischemic change on MRI, and cognitive impairment after cardiac valve surgery; and (2) the controversial relationship between perioperative cerebral ischemia and cognitive decline...
A prospective clinical audit of central venous catheter use and complications in 1000 consecutive patientsC S Webster
Department of Anaesthesia, Green Lane Hospital, Auckland, New Zealand
Anaesth Intensive Care 31:80-6. 2003..28 vs 1.63, P = 0.01), and placed lumens were used more intensively (P < 0.001). Data appear to justify the routine selection of a triple-lumen CVC in adult patients, but not of a quad-lumen CVC...
Safer cardiac surgeryAlan F Merry
University of Auckland and Green Lane Department of Anaesthesia, Auckland City Hospital, Auckland, New Zealand
J Extra Corpor Technol 41:P43-7. 2009..In the end, outcomes that the patients themselves desire are the most meaningful endpoint of the pursuit of safer cardiac surgery...
Clinical assessment of a new anaesthetic drug administration system: a prospective, controlled, longitudinal incident monitoring studyC S Webster
Centre for Medical and Health Sciences Education, Department of Anaesthesiology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
Anaesthesia 65:490-9. 2010..006-0.028%). No major adverse outcomes from these errors were reported with the new system while 11 (0.002%) were reported with conventional methods (p = 0.055). We conclude that targeted system re-design can reduce medical error...
Extra-aortic balloon counterpulsation: an intraoperative feasibility studyMalcolm E Legget
Department of Cardiology, Green Lane Hospital, Auckland, New Zealand
Circulation 112:I26-31. 2005..The aim of this study was to determine the safety and performance of a new method of non-blood-contacting counterpulsation using an inflatable cuff around the ascending aorta (extra-aortic balloon [EAB])...
Interference with the operation of medical devices resulting from the use of radio frequency identification technologyBryan Houliston
AURA Laboratory, School of Computing and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand
N Z Med J 122:9-16. 2009..To replicate electromagnetic interference (EMI) with a common drug infusion device resulting from the use of radio frequency identification (RFID) technology in a simulated operating theatre environment...
Medication error in New Zealand--time to actAlan F Merry
N Z Med J 121:6-9. 2008
