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Tasks for the ECT team Dr Grace Fergusson Argyll and Bute Hospital Lochgilphead Royal College of Psychiatrists ECT training day, January 2002.

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Presentation on theme: "Tasks for the ECT team Dr Grace Fergusson Argyll and Bute Hospital Lochgilphead Royal College of Psychiatrists ECT training day, January 2002."— Presentation transcript:

1 Tasks for the ECT team Dr Grace Fergusson Argyll and Bute Hospital Lochgilphead Royal College of Psychiatrists ECT training day, January 2002

2 The ECT consultant Advice and liason Treatment policy Training Supervision

3 Advice and Liason ECT suite and equipment Staffing Liason Management - clinical governance Audit

4 ECT machines - UK Machineoutputcontrol+displayEEG (mC) ECTONUS 5A50-700single yesoptional ECTONUS 5B50-700single yesoptional NTS-R multiple nono NTS-C60-720single nono

5 ECT machines - Mecta Machineoutputcontrol+displayEEG (mC) JR multiple yes no SR multiple yes yes JR single yes no SR single yes yes Spectrum 4000 Q or M5-1152either yes no 5000 Q or M5-1152either yes yes

6 ECT machines - Somatics Machineoutputcontrol+displayEEG (mC) Thymatron DGx either yesoptional Thymatron system IV either yesyes

7 Nursing standards first level nurse responsibility registered nurse at each stage CPR competency escort nurse familiar and aware of legal issues and consent status backup easily available National Audit of ECT in Scotland,

8 Guidelines for Anaesthesia consultant responsibility trained anaesthetists trained assistant (ODP) standard equipment ECT workup access to critical care for ASA grades 3 or above (medical condition affecting lifestyle)

9 Possible mode of action Anticonvulsant (1) Receptor modulator (2) Neurotrophic (BDNF) (3) Changes in gene expression (4) 1. Sackeim, The Anticonvulsant Hypothesis of the Mechanisms of Action of ECT: Current Status 2. Sattin A, The Role of TRH and Related Peptides in the Mechanism of Action of ECT 3. Krystal A & Weiner R, EEG Correlates of the Response to ECT all in The Journal of ECT vol Fochtmann LJ, Genetic approaches to the neurobiology of ECT. J of ECT 1998;14:

10 Advice and Liason ECT suite and equipment Staffing Liason Management - clinical governance Audit

11 Treatment policy 1. Role and interface between –psychiatrists, clinical and ECT teams –nurses –anaesthetist(s) 2. Treatment protocols

12 Prescription of ECT high dose low dose Bilateral 80% efficacy 70% efficacy s/e +++s/e ++ Unilateral70% efficacy but 30% efficacy depends on dose s/e +s/e +/- ref: Sackeim et al. New England J of Medicicne, 1993, 328: Sackeim et al. Archives of Gen Psychiatry. 2000, 57:

13 Prescription of ECT high dose low dose Bilateral 70% efficacy s/e ++ Unilateral70% efficacy but 30% efficacy depends on dose s/e +s/e +/- ref: Sackeim et al. New England J of Medicicne, 1993, 328: Sackeim et al. Archives of Gen Psychiatry. 2000, 57:

14 Prescription of ECT high dose low dose Bilateral 70% efficacy s/e ++ Unilateral70% efficacy but depends on dose s/e + ref: Sackeim et al. New England J of Medicicne, 1993, 328: Sackeim et al. Archives of Gen Psychiatry. 2000, 57:

15 Bilateral ECT Sackeim et al. (series of studies , USA) low dose UECT - 28% response low dose BECT - 70% response same seizure length cognitive side-effects related to dose above seizure threshold rather than absolute dose conclusion: best outcome when the dose exceeds seizure threshold (BECT) by % for a given individual

16 Unilateral ECT Efficacy increases with dose above ST maybe up to 12 fold side effects increase with dose above ST but probably not to the extent of BECT so maybe no need to measure ST? but technically more difficult ref:McCall, Reboussin, Weiner,Sackeim, Titrated Moderately Suprathreshold vs fixedhigh- dose Right Unilateral ECT, 2000, Archives of Gen Psychiatry, 57,

17 Cognitive side-effects Time to re-orientation (minutes): study 1study 2 low dose uni- (ST x 1.5) high dose uni- (ST x 5) low dose bi- (ST x 1.5) 37 high dose bi- (ST x 3) Sobin 1995, American J of Psychiatry 2. Sackeim et al. Archives, 2000, 57, Journal of ECT vol 16 June /00

18 Seizure threshold measure.pros:specific theraputic, despite seizure length decreased risk of overdose cons: time under anaesthetic risks of repeated stimulation? estimate. pros:quick cons:predictive factors for only 25% risk of overdose in upto 25% so keep starting dose low

19 Stimulus dosing protocols missed seizures partial seizures progressive shortening of seizure length prolonged seizures

20 EEG monitoring ? for:direct measure detection of prolonged seizures (indicator of clinical efficacy?) against: anxiety provoking?? time taken training implications

21 Other protocols Consent to treatment pre-ECT work-up record of treatment monitoring of side-effects feedback to clinical team

22 Special populations outpatients young people pregnancy cognitively impaired see The ECT Handbook 1995.

23 Training and supervision % adequate: (scotland) training supervision 10  anaesthetist nurses ‘varied’ Royal College of Psychiatrists, three audit cycles, 1981, 1991, The National Audit of ECT in Scotland,

24 Tasks for the ECT team Dr Grace Fergusson Argyll and Bute Hospital Lochgilphead Royal College of Psychiatrists ECT training day, Jan 2002


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