Maudsley Guidelines on Advanced Prescribing in Psychosis

List of tables ix Preface xi Glossary xiii Acknowledgments xv Chapter 1 Psychosis 1 1.1 What is psychosis? 1 1.2 Lack of insight 1 1.3 Causes of psychosis 2 1.4 Schizophrenia: loss of personality and psychosocial decline 2 1.5 Bipolar disorder 3 1.6 Cannabis, synthetic cannabinoids, and psychosis 4 Chapter 2 Towards evidence based treatments for psychosis 7 2.1 Traditional medicine 7 2.2 The randomised controlled trial 7 2.3 The roots of community care 8 2.4 Treatment algorithms versus personalised care 8 Chapter 3 The antipsychotics 9 3.1 General principles in the pharmacology of psychosis 9 3.2 Neurotransmitters and receptors 10 3.3 Choosing drugs 12 3.4 Acute psychotic episodes 13 3.4.1 Olanzapine in acute psychotic episodes 15 3.4.2 Antipsychotic dosing in acute psychotic episodes 15 3.4.3 Timescale of response in acute psychotic episodes 17 3.4.4 Very agitated patients 17 3.5 The maintenance phase: relapse prevention 18 3.5.1 Beyond the early years: more harm than good? 18 3.6 The utility of long?acting depot antipsychotics 22 3.7 Principles of long?acting depot antipsychotic prescribing 23 3.7.1 Clozapine 25 3.7.2 Clozapine resistant psychosis 26 3.7.3 Side effects of clozapine 27 3.7.4 Myocarditis: inflammation of heart muscle 28 3.7.5 Cardiomyopathy: impaired function of heart muscle 29 3.7.6 The effects of clozapine at muscarinic M1-M4 acetylcholine receptors 29 3.7.7 Weight?gain and type II diabetes 30 3.7.8 Neutropenia and agranulocytosis 30 3.7.9 Lowered seizure threshold 31 Chapter 4 Bipolar disorder 33 4.1 Diagnosis of bipolar 33 4.2 Treatment of mania 34 4.3 Treatment of bipolar depression 34 4.4 The maintenance phase of bipolar: relapse prevention 39 4.5 Bipolar in females of childbearing age 41 4.5.1 Valproate and carbamazepine in females of childbearing age 41 4.5.2 Lithium in females of childbearing age 41 4.5.3 Lamotrigine in females of childbearing age 42 4.5.4 Antipsychotics in females of childbearing age 42 Chapter 5 The role of talking therapies in the treatment of psychosis 43 5.1 Psychoanalytical insights 43 5.2 Psychological treatments 43 Chapter 6 Side effects of antipsychotic treatment 45 6.1 Weight gain 45 6.1.1 Antipsychotics at 5HT2c receptors 45 6.1.2 The management of weight gain and obesity 46 6.2 Type II diabetes 46 6.3 Dyslipidemia 48 6.3.1 The management of dyslipidemia in psychosis services 48 6.4 Motor side effects 49 6.4.1 Tardive dyskinesia 51 6.4.2 First versus second generation 51 6.5 Hyperprolactinemia 51 6.5.1 The management of hyperprolactinemia 52 6.6 Sexual side effects 52 6.6.1 Management 53 6.7 Prolonged QTc 53 6.7.1 Calculating the QTc 53 6.7.2 QTc thresholds 54 6.7.3 Torsades de points 54 6.7.4 Antipsychotics and QTc prolongation 54 6.7.5 Management 55 6.8 Neuroleptic malignant syndrome 55 6.8.1 Management 56 Chapter 7 Services: pathway specific care 57 7.1 Background 57 7.2 The at?risk?mental?state 57 7.3 Early intervention services 58 7.4 Acute services 59 7.5 Continuing care services: promoting recovery 59 Chapter 8 Measuring outcomes 61 8.1 Value?based healthcare 61 8.2 Evidence?based healthcare management (EBMGT) 62 Appendix 1 Pharmacokinetics of selected psychotropics 65 Appendix 2 The metabolic syndrome 71 Appendix 3 Physical health monitoring for patients prescribed antipsychotics 73 Appendix 4 Physical health monitoring for patients prescribed mood stabilisers 75 References 77 Index 91

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