Colleen K Loo

Summary

Affiliation: University of New South Wales
Country: Australia

Publications

  1. ncbi A review of the efficacy of transcranial magnetic stimulation (TMS) treatment for depression, and current and future strategies to optimize efficacy
    Colleen K Loo
    School of Psychiatry, University of NSW, Psychiatrist, Black Dog Institute and South Eastern Sydney Illawarra Area Health Service, Australia
    J Affect Disord 88:255-67. 2005
  2. ncbi Stimulus waveform influences the efficacy of repetitive transcranial magnetic stimulation
    Janet L Taylor
    Prince of Wales Medical Research Institute, Randwick, NSW, Australia
    J Affect Disord 97:271-6. 2007
  3. ncbi Cognitive impairment following electroconvulsive therapy--does the choice of anesthetic agent make a difference?
    Ross D MacPherson
    Department of Anesthesia and Pain Management, Royal North Shore Hospital, Sydney, NSW, Australia
    J ECT 24:52-6. 2008
  4. ncbi Speed of response in ultrabrief and brief pulse width right unilateral ECT
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 16:755-61. 2013
  5. ncbi Neuropsychological and mood effects of ketamine in electroconvulsive therapy: A randomised controlled trial
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, NSW 2031, Australia St George Hospital, Sydney, NSW, Australia The Northside Clinic, Sydney, NSW, Australia Wesley Hospital, Kogarah, Sydney, NSW, Australia Black Dog Institute, Sydney, Australia Electronic address
    J Affect Disord 142:233-40. 2012
  6. ncbi Cognition in elderly patients receiving unilateral and bilateral electroconvulsive therapy: a prospective, naturalistic comparison
    Daniel W O'Connor
    Aged Mental Health Research Unit, Department of Psychological Medicine, Monash University, Melbourne, Australia
    J Affect Disord 124:235-40. 2010
  7. ncbi A comparison of RUL ultrabrief pulse (0.3 ms) ECT and standard RUL ECT
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 11:883-90. 2008
  8. ncbi Transcranial direct current stimulation priming of therapeutic repetitive transcranial magnetic stimulation: a pilot study
    Colleen Loo
    School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia
    J ECT 25:256-60. 2009
  9. ncbi The difficult-to-treat electroconvulsive therapy patient - Strategies for augmenting outcomes
    Colleen K Loo
    School of Psychiatry, University of N S W, Sydney, Australia
    J Affect Disord 124:219-27. 2010
  10. ncbi A sham-controlled trial of left and right temporal rTMS for the treatment of auditory hallucinations
    C K Loo
    School of Psychiatry, University of NSW and Black Dog Institute, Sydney, Australia
    Psychol Med 40:541-6. 2010

Detail Information

Publications45

  1. ncbi A review of the efficacy of transcranial magnetic stimulation (TMS) treatment for depression, and current and future strategies to optimize efficacy
    Colleen K Loo
    School of Psychiatry, University of NSW, Psychiatrist, Black Dog Institute and South Eastern Sydney Illawarra Area Health Service, Australia
    J Affect Disord 88:255-67. 2005
    ..Factors relevant to the efficacy of rTMS are discussed along with the implications of these for the further optimization of rTMS...
  2. ncbi Stimulus waveform influences the efficacy of repetitive transcranial magnetic stimulation
    Janet L Taylor
    Prince of Wales Medical Research Institute, Randwick, NSW, Australia
    J Affect Disord 97:271-6. 2007
    ..However, non-optimal coil orientation and high intensities of monophasic rTMS may have influenced previous results...
  3. ncbi Cognitive impairment following electroconvulsive therapy--does the choice of anesthetic agent make a difference?
    Ross D MacPherson
    Department of Anesthesia and Pain Management, Royal North Shore Hospital, Sydney, NSW, Australia
    J ECT 24:52-6. 2008
    ..This article reviews the current literature dealing with anesthesia and postoperative cognitive impairment in general and with regard to ECT in particular...
  4. ncbi Speed of response in ultrabrief and brief pulse width right unilateral ECT
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 16:755-61. 2013
    ..Further research with a larger randomized and blinded study is recommended...
  5. ncbi Neuropsychological and mood effects of ketamine in electroconvulsive therapy: A randomised controlled trial
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, NSW 2031, Australia St George Hospital, Sydney, NSW, Australia The Northside Clinic, Sydney, NSW, Australia Wesley Hospital, Kogarah, Sydney, NSW, Australia Black Dog Institute, Sydney, Australia Electronic address
    J Affect Disord 142:233-40. 2012
    ..This study tested whether the addition of ketamine reduced cognitive impairment and enhanced efficacy over a course of ECT, in a randomised, placebo-controlled, double-blind study...
  6. ncbi Cognition in elderly patients receiving unilateral and bilateral electroconvulsive therapy: a prospective, naturalistic comparison
    Daniel W O'Connor
    Aged Mental Health Research Unit, Department of Psychological Medicine, Monash University, Melbourne, Australia
    J Affect Disord 124:235-40. 2010
    ..Little is known of the relative effectiveness and tolerability of the two placements in the treatment of elderly, severely depressed inpatients...
  7. ncbi A comparison of RUL ultrabrief pulse (0.3 ms) ECT and standard RUL ECT
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 11:883-90. 2008
    ..Cognitive outcomes were superior in the RUL-UB ECT group, particularly in the retention of verbal and visual information, as well as in retrograde autobiographical memory...
  8. ncbi Transcranial direct current stimulation priming of therapeutic repetitive transcranial magnetic stimulation: a pilot study
    Colleen Loo
    School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia
    J ECT 25:256-60. 2009
    ..Motor cortex experiments suggest that the effects of rTMS can be enhanced by first priming the same cortical area with transcranial direct current stimulation (tDCS). We explored this approach in depressed subjects...
  9. ncbi The difficult-to-treat electroconvulsive therapy patient - Strategies for augmenting outcomes
    Colleen K Loo
    School of Psychiatry, University of N S W, Sydney, Australia
    J Affect Disord 124:219-27. 2010
    ....
  10. ncbi A sham-controlled trial of left and right temporal rTMS for the treatment of auditory hallucinations
    C K Loo
    School of Psychiatry, University of NSW and Black Dog Institute, Sydney, Australia
    Psychol Med 40:541-6. 2010
    ..Several studies have reported reduction of auditory hallucinations (AH) after repetitive transcranial magnetic stimulation (rTMS) to the left temporal cortex. This study explored the effects of rTMS to the left and right temporal cortex...
  11. ncbi A double-blind, sham-controlled trial of transcranial direct current stimulation for the treatment of depression
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 13:61-9. 2010
    ..It is recommended that the efficacy of tDCS in depression be further evaluated over a longer treatment period, using enhanced stimulation parameters...
  12. ncbi Augmentation strategies in electroconvulsive therapy
    Colleen Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    J ECT 26:202-7. 2010
    ..Preliminary evidence suggests that ketamine and ECT may have synergistic antidepressant effects, although this needs to be further examined in randomized controlled trials...
  13. ncbi Physical treatments for bipolar disorder: a review of electroconvulsive therapy, stereotactic surgery and other brain stimulation techniques
    Colleen Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    J Affect Disord 132:1-13. 2011
    ..Despite pharmacological advances, bipolar disorder continues to be difficult to treat. This article reviews the evidence base for the use of electroconvulsive therapy (ECT) and other brain stimulation therapies in bipolar disorder...
  14. ncbi Mental health legislation and psychiatric treatments in NSW: electroconvulsive therapy and deep brain stimulation
    Colleen Loo
    School of Psychiatry, University of NSW, St George Hospital, Gray Street, Kogarah, NSW 2217, Australia
    Australas Psychiatry 18:417-25. 2010
    ....
  15. ncbi Predictors of response to ultrabrief right unilateral electroconvulsive therapy
    Colleen K Loo
    School of Psychiatry, University of NSW, Sydney, Australia
    J Affect Disord 130:192-7. 2011
    ..In many countries it is gradually being adopted into clinical practice and further information on predictors of response is needed...
  16. ncbi Transcranial direct current stimulation for depression: 3-week, randomised, sham-controlled trial
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Br J Psychiatry 200:52-9. 2012
    ..Preliminary evidence suggests transcranial direct current stimulation (tDCS) has antidepressant efficacy...
  17. ncbi The NSW Mental Health Bill 2007: implications for the provision of electroconvulsive therapy
    Colleen Loo
    School of Psychiatry, University of NSW, St George Hospital, and Psychiatrist, Black Dog Institute, Sydney, NSW, Australia
    Australas Psychiatry 15:457-60. 2007
    ..CONCLUSIONS: New limits introduced in the Mental Health Bill 2007 may have potentially detrimental consequences for ECT therapy in involuntary patients and may inadvertently result in the provision of suboptimal ECT to these patients...
  18. ncbi A review of the safety of repetitive transcranial magnetic stimulation as a clinical treatment for depression
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 11:131-47. 2008
    ..Long-term effects of repeated rTMS sessions are as yet unknown. When given within recommended guidelines, the overall safety profile of rTMS is good, and supports its further development as a clinical treatment...
  19. ncbi A report on mood and cognitive outcomes with right unilateral ultrabrief pulsewidth (0.3 ms) ECT and retrospective comparison with standard pulsewidth right unilateral ECT
    Colleen Loo
    School of Psychiatry, University of N S W, Australia
    J Affect Disord 103:277-81. 2007
    ..This study explored the potential of a novel approach, ultrabrief pulsewidth (0.3 ms) right unilateral (RUL-UB) ECT, to minimise cognitive effects while preserving efficacy...
  20. ncbi Double-blind controlled investigation of transcranial magnetic stimulation for the treatment of resistant major depression
    C Loo
    Mood Disorders Unit, Prince of Wales Hospital, Randwick, N S W, Australia
    Am J Psychiatry 156:946-8. 1999
    ..The efficacy and safety of left prefrontal repetitive transcranial magnetic stimulation (rTMS) for treating resistant major depression were examined in a double-blind, controlled study...
  21. ncbi Supraorbital edema induced by electroconvulsive therapy
    Colleen K Loo
    School of Psychiatry, University of NSW, Sydney, Australia
    J ECT 21:249-50. 2005
    ..Trauma during ECT, allergic reaction to anesthetic agents, and complications of manual ventilation were found to be unlikely causes. The supraorbital edema occurred as an isolated, benign, complication of ECT and resolved spontaneously...
  22. ncbi Transcranial magnetic stimulation in adolescent depression
    Colleen Loo
    School of Psychiatry, University of New South Wales, Australia
    Australas Psychiatry 14:81-5. 2006
    ..There are few safe and effective biological treatments for major depression in adolescents. We aimed to report the use of repetitive transcranial magnetic stimulation (rTMS) as a treatment for adolescents with this condition...
  23. ncbi Recent advances in optimizing electroconvulsive therapy
    Colleen K Loo
    Black Dog Institute, Hospital Rd, Prince of Wales Hospital, Barker St, Sydney, New South Wales 2031, Australia
    Aust N Z J Psychiatry 40:632-8. 2006
    ..Clinical practice should be guided by a careful appraisal of the available evidence for alternative approaches in ECT technique...
  24. ncbi A sham-controlled trial of the efficacy and safety of twice-daily rTMS in major depression
    Colleen K Loo
    School of Psychiatry, University of NSW and Black Dog Institute, Sydney, Australia
    Psychol Med 37:341-9. 2007
    ..Studies of repetitive transcranial magnetic stimulation (rTMS) in depression have mostly involved once-daily treatment, with positive but modest clinical results. This study tested the efficacy and safety of twice-daily rTMS over 2 weeks...
  25. ncbi Fronto-extracephalic transcranial direct current stimulation as a treatment for major depression: an open-label pilot study
    Donel M Martin
    Black Dog Institute, School of Psychiatry, University of New South Wales, Sydney, Australia
    J Affect Disord 134:459-63. 2011
    ..This study investigated the efficacy and safety of tDCS given with a fronto-extracephalic (F-EX) montage...
  26. ncbi Hypomania induction in a patient with bipolar II disorder by transcranial direct current stimulation (tDCS)
    Verònica Gálvez
    School of Psychiatry, University of New South Wales, Sydney, Australia
    J ECT 27:256-8. 2011
    ..When the reference cathodal electrode in tDCS is moved from the cranium to an extracephalic position, larger areas of both cerebral hemispheres are stimulated, with potential implications for both efficacy and safety...
  27. ncbi A study using transcranial magnetic stimulation to investigate motor mechanisms in psychomotor retardation in depression
    Colleen K Loo
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 11:935-46. 2008
    ..Our study suggests that although the motor pathway from the motor cortex to the muscle is unimpaired, psychomotor retardation in depression is characterized by a reduced ability to drive the motor cortex...
  28. ncbi Repetitive transcranial magnetic stimulation for the treatment of obsessive compulsive disorder: a double-blind controlled investigation
    Perminder S Sachdev
    School of Psychiatry, University of New South Wales, Australia
    Psychol Med 37:1645-9. 2007
    ..To determine the efficacy and tolerability of repetitive transcranial magnetic stimulation (rTMS) as a treatment for obsessive compulsive disorder (OCD) in a double-blind placebo-controlled study...
  29. ncbi The effect of electrode placement and pulsewidth on asystole and bradycardia during the electroconvulsive therapy stimulus
    Patrick T Stewart
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 14:585-94. 2011
    ..Bifrontal ECT was associated with the lowest risk of bradycardia and asystole during ECT and should be considered for patients at risk of arrhythmias and prolonged asystole during ECT...
  30. ncbi Daily transcranial direct current stimulation (tDCS) leads to greater increases in cortical excitability than second daily transcranial direct current stimulation
    Angelo Alonzo
    School of Psychiatry, University of New South Wales, Black Dog Institute, Sydney, Australia
    Brain Stimul 5:208-13. 2012
    ..However, the optimal frequency at which tDCS sessions should be administered is unknown...
  31. ncbi Continuation transcranial direct current stimulation for the prevention of relapse in major depression
    Donel M Martin
    Black Dog Institute, School of Psychiatry, University of New South Wales, Sydney, Australia
    J Affect Disord 144:274-8. 2013
    ..Little is known, however, of the duration of antidepressant effects following acute treatment. In this study, we describe the use of continuation tDCS treatment for up to 6 months following clinical response to an acute treatment course...
  32. ncbi Comparison of depressive episodes in bipolar disorder and in major depressive disorder within bipolar disorder pedigrees
    Philip B Mitchell
    UNSW School of Psychiatry, Prince of Wales Hospital, Randwick, Australia
    Br J Psychiatry 199:303-9. 2011
    ....
  33. ncbi Repetitive transcranial magnetic stimulation as treatment for anxiety disorders
    Melissa Pigot
    School of Psychiatry, University of New South Wales, Black Dog Institute, Prince of Wales Hospital, Randwick, NSW 2031, Australia
    Expert Rev Neurother 8:1449-55. 2008
    ..With advances in neuroimaging technology, this understanding is likely to be more accessible than it has been in the past...
  34. ncbi Transcranial magnetic stimulation for the deficit syndrome of schizophrenia: a pilot investigation
    Perminder Sachdev
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Psychiatry Clin Neurosci 59:354-7. 2005
    ..Repetitive transcranial magnetic stimulation as a treatment of the deficit syndrome of schizophrenia is feasible, safe and may be beneficial. A systematic study in randomized control trials would be appropriate...
  35. ncbi Induction of hypomanic episode with transcranial direct current stimulation
    Abraham Patrick Arul-Anandam
    School of Psychiatry, University of New South Wales, Sydney, Australia
    J ECT 26:68-9. 2010
    ....
  36. ncbi Valid assessment of the clinical features of depression by relatives appears to slip under the RADAR
    Gordon Parker
    School of Psychiatry, University of New South Wales and Black Dog Institute, Price of Wales Hospital, Sydney, Australia
    Aust N Z J Psychiatry 37:92-6. 2003
    ..We report on the development of an observational measure designed for completion by relatives, the Recent Appearance of Depression Assessed by Relatives (RADAR), and consider its validity...
  37. ncbi A computational model of direct brain stimulation by electroconvulsive therapy
    Siwei Bai
    Graduate School of Biomedical Engineering, Faculty of Engineering, University of New South Wales UNSW, Australia
    Conf Proc IEEE Eng Med Biol Soc 2010:2069-72. 2010
    ..Results suggested that this model is able to reproduce direct stimulation of the cortex during the application of ECT...
  38. ncbi Paired associative stimulation increases motor cortex excitability more effectively than theta-burst stimulation
    Michael J Player
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Clin Neurophysiol 123:2220-6. 2012
    ..To examine the effects of theta burst stimulation (TBS) and paired associative stimulation (PAS) on excitability in the human motor cortex...
  39. ncbi Transcranial direct current stimulation treatment protocols: should stimulus intensity be constant or incremental over multiple sessions?
    Verònica Gálvez
    School of Psychiatry, University of New South Wales, Sydney, Australia
    Int J Neuropsychopharmacol 16:13-21. 2013
    ..This study demonstrated that, in the motor cortex, administration of tDCS five times per week whether at a constant intensity or at a gradually increasing intensity was equally effective in increasing cortical excitability...
  40. ncbi Diagnosis and monitoring of bipolar disorder in general practice
    Philip B Mitchell
    Black Dog Institute, Prince of Wales Hospital, and School of Psychiatry, University of New South Wales, Sydney, NSW
    Med J Aust 193:S10-3. 2010
    ..Daily mood charts are useful for providing an overview of patient progress and for identifying and managing early warning signs. Families and carers can also play an active role in supporting patients with bipolar disorder...
  41. ncbi Transcranial direct current stimulation: a new tool for the treatment of depression?
    Abraham P Arul-Anandam
    School of Psychiatry, University of New South Wales, Sydney, Australia
    J Affect Disord 117:137-45. 2009
    ..We briefly review tDCS clinical trials for MDD, and then consider its mechanisms of action, identifying potential avenues for future research...
  42. ncbi Transcranial magnetic stimulation for depression
    Philip B Mitchell
    School of Psychiatry, University of New South Wales, Black Dog Institute, Prince of Wales Hospital, Randwick, Australia
    Aust N Z J Psychiatry 40:406-13. 2006
    ..To review the accumulated literature on the efficacy, safety and predictors of response for repetitive transcranial magnetic stimulation (rTMS) in the treatment of depression...
  43. ncbi Pharmacological attenuation of electroconvulsive therapy--induced cognitive deficits: theoretical background and clinical findings
    Melissa Pigot
    School of Psychiatry, University of New South Wales, Black Dog Institute, Sydney, Australia
    J ECT 24:57-67. 2008
    ....
  44. ncbi Transcranial magnetic stimulation: promise for the future?
    Colleen Loo
    Sydney, NSW, Australia
    Australas Psychiatry 12:409-10. 2004
  45. ncbi Effects of different frequencies of transcranial magnetic stimulation (TMS) on the forced swim test model of depression in rats
    Perminder S Sachdev
    School of Psychiatry, University of New South Wales, and Neuropsychiatric Institute, Prince of Wales Hospital, Sydney, Australia
    Biol Psychiatry 51:474-9. 2002
    ..e., repeating the Swim Test) requires further validation...