دانلود مقاله ISI انگلیسی شماره 34513
عنوان فارسی مقاله

عوامل تعیین دلیریوم پس از الکتروشوک درمانی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
34513 2014 8 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
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عنوان انگلیسی
Predictors of Electroconvulsive Therapy Postictal Delirium
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Psychosomatics, Volume 55, Issue 3, May–June 2014, Pages 272–279

کلمات کلیدی
- عوامل - تعیین دلیریوم - الکتروشوک درمانی -
پیش نمایش مقاله
پیش نمایش مقاله عوامل تعیین دلیریوم پس از الکتروشوک درمانی

چکیده انگلیسی

Background Postictal delirium is a common adverse effect of electroconvulsive therapy (ECT) and can be dangerous to both patient and staff caring for them in the postanesthesia care unit. However, little is known about predictors of postictal delirium. Objectives The aim of this study was to identify predictors of postictal delirium. We hypothesized that both patient and ECT treatment variables might influence the likelihood of postictal delirium. Methods We prospectively monitored postictal delirium in the postanesthesia care unit using the Confusion Assessment Method for the Intensive Care Unit after the first ECT treatment of 96 consecutive patients. Patient and treatment variables were extracted retrospectively by chart review. A multiple logistic regression model was developed to assess the effect of these variables on the likelihood of developing delirium. Results Seizure length was found to be a statistically significant predictor of postictal delirium after adjusting for other covariates (p = 0.003). No other variables were predictive. Conclusion A long ECT seizure increases the likelihood of delirium in the postanesthesia care unit at the first treatment. This finding suggests that postanesthesia care unit staff may benefit from knowledge about seizure length for predicting postictal delirium and anticipating the best management of post-ECT patients.

مقدمه انگلیسی

Electroconvulsive therapy (ECT) is a highly effective treatment for major depressive disorder and other psychiatric conditions. A common adverse effect of ECT immediately following the procedure is the emergence of postictal delirium. This state is characterized by a lack of awareness, disorientation, agitation, and sometimes erratic and even violent behavior lasting between 5 and 45 minutes,1 occurring in as many as 52% of patients.2 Although postictal delirium generally lasts less than 1 hour, overall consciousness remains blunted for several hours.3 In contrast, Katznelson et al., using the confusion assessment method for the intensive care unit (CAM-ICU), found only 11.9% were delirious after cardiac surgery, and Radtke et al. reported a postoperative delirium rate of 11% in the postanesthesia care unit (PACU) using the NuDeSC, another screening tool for delirium.4 and 5 The increased frequency and severity of postictal delirium is thought to be due to the seizure itself. During postictal delirium following ECT administration, patients become a hazard to themselves as well as others, such as nurses in the PACU.1 Delirious patients, especially the elderly, may also be at increased risk of falls post-ECT.6 Additionally, postictal delirium is also significant as a predictor of later ECT-related cognitive side effects, including memory loss. Sobin et al. found that time to orientation post-ECT predicted the magnitude of retrograde amnesia in the week after the course of ECT and at 2-month follow-up.7 As postictal delirium is potentially dangerous to both patient and staff and is associated with later cognitive side effects, it would be helpful to identify predictors of this state. Previous studies have yielded mixed results. Sackeim et al. examined electrode placement in 2 patients, 1 left-handed and the other right-handed, receiving ECT with right unilateral (RUL), left unilateral, and bilateral (BL) placement at different times. They found left unilateral placement was not associated with postictal delirium, unlike RUL and BL placements.1 Conversely, Leechuy and Abrams reported postictal delirium in a right-handed man receiving ECT with left unilateral placement.8 Devanand et al. analyzed potential predictors in a retrospective case control study consisting of 24 patients who experienced postictal delirium and 24 controls who did not.9 The 2 groups did not differ in age, gender, diagnosis, anesthesia and succinylcholine dosages, electrode placement, mean seizure duration, or clinical outcome.9 More recently, Sackeim et al. showed that BL placement was associated with both an increased rate of prolonged disorientation and a longer time to recover orientation compared with RUL placement.10 In contrast, Kikuchi et al. found that pretreatment catatonic features were the only significant predictor of postictal delirium severity. Kellner et al. also examined reorientation scores at 20 minutes post-ECT and did not find a difference due to electrode placement when averaging across the full treatment course, although there was a trend towards RUL and bitemporal placement being associated with higher scores than bifrontal placement.11 To help monitor postictal delirium in the PACU, we recently began assessing ECT patients with the CAM-ICU. The CAM-ICU is a brief delirium assessment tool for nurses, which has been demonstrated to have high interrater reliability, sensitivity, and specificity.12 Our nurses also monitor the RASS (Richmond Agitation-Sedation Scale), a sedation scale used to characterize the patient's alertness and responsiveness.13 We assessed whether a variety of patient and ECT treatment variables might influence the likelihood of postictal delirium.

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