Эта страница была переведена автоматически, точность перевода не гарантируется. Пожалуйста, обратитесь к английской версии для исходного текста.

Postoperative Delirium: Brain Vulnerability and Recovery

23 мая 2020 г. обновлено: Ben Palanca, Washington University School of Medicine

In this study, we propose to use EEG and a brain imaging technique known as diffuse optical tomography (DOT) to study when people are in delirium and when they recovery. We plan to also compare brain function of patients who recovered from delirium to patients who did not have delirium using DOT and fMRI. We will also continually monitor the participant's EMR to help coordinate timing of study procedures, as well as to collect information pertaining to their surgery, recovery progress, and indicators of mental status including delirium.

Обзор исследования

Статус

Завершенный

Условия

Вмешательство/лечение

Подробное описание

Postoperative delirium - a mental state of confusion, inattention, and impaired thought - is a potentially life-threatening condition. As many as half of patients that have heart and non heart-related surgery will experience postoperative delirium. Patients diagnosed with postoperative delirium have poorer outcomes and longer hospitalizations. Unfortunately, it is an under-diagnosed condition with a variable delay in when it appears. Additionally, there are no objective tools or tests that can be before or after surgery to anticipate and identify those patients who are at risk. Electroencephalography [EEG] and functional magnetic resonance imaging [fMRI] have helped us understand the changes in the brain during delirium. These suggest that a weakening in correlated activity within a group of brain regions, known as the default mode network (DMN), may be related to delirium.

Тип исследования

Интервенционный

Регистрация (Действительный)

Фаза

Непригодный

Контакты и местонахождение

В этом разделе приведены контактные данные лиц, проводящих исследование, и информация о том, где проводится это исследование.

Места учебы

Соединенные Штаты
- Missouri
  - Saint Louis, Missouri, Соединенные Штаты, 63110
    - Barnes-Jewish Hospital/Washington University in St. Louis School of Medicine

Критерии участия

Исследователи ищут людей, которые соответствуют определенному описанию, называемому критериям приемлемости. Некоторыми примерами этих критериев являются общее состояние здоровья человека или предшествующее лечение.

Критерии приемлемости

Возраст, подходящий для обучения

60 лет и старше (Взрослый, Пожилой взрослый)

Принимает здоровых добровольцев

Нет

Полы, имеющие право на обучение

Все

Описание

Common inclusion criteria:

Age ≥ 60
Surgery requiring cardiopulmonary bypass (CPB) for coronary artery bypass grafting, septal myectomy and/or heart valve repair/replacement
English speaking.

Common exclusion criteria:

Implanted pacemaker
Automatic internal cardiac defibrillator or other implant for which non-contrast magnetic resonance imaging (MRI) is contraindicated
Concomitant aortic or cerebrovascular procedure
Inability to lay flat or still for MRI
Legal blindness or severe deafness
Seizure history
Known focal brain lesion larger than 3 cm.

Delirium Case Arm:

1. Delirious as diagnosed by the Confusion Assessment Method (CAM)/ Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) at some point during postoperative day 1-5.

Postoperative Control Arm:

1. Not delirious as diagnosed by the CAM/CAM-ICU on postoperative day 1-5.

Учебный план

В этом разделе представлена подробная информация о плане исследования, в том числе о том, как планируется исследование и что оно измеряет.

Как устроено исследование?

Детали дизайна

Основная цель: Диагностика
Распределение: Нерандомизированный
Интервенционная модель: Параллельное назначение
Маскировка: Нет (открытая этикетка)

Количество рук

Оружие и интервенции

Группа участников / Армия	Вмешательство/лечение
Другой: delirium Patients in the cardiothoracic ICU diagnosed with postoperative delirium. Subjects will wear a diffuse optical tomography device in addition to the normal monitors. A non-contrast functional MRI will be performed.	Устройство: EEG Brain activity will be recorded to evaluate differences in brain activity between patients with a delirium diagnosis and non-delirious control patients. Другие имена: brain monitoring in delirious postoperative patients Устройство: fcDOT Brain activity will be recorded to evaluate differences in brain activity between patients with a delirium diagnosis and non-delirious control patients. Другие имена: brain monitoring in delirious postoperative patients Устройство: fcMRI Brain activity will be recorded to evaluate differences in brain activity between patients with a delirium diagnosis and non-delirious control patients. Другие имена: brain monitoring in delirious postoperative patients
Другой: no delirium Patients in the cardiothoracic ICU not diagnosed with postoperative delirium. Subjects will be monitored in the same way as the delirium arm	Устройство: EEG Brain activity will be recorded to evaluate differences in brain activity between patients with a delirium diagnosis and non-delirious control patients. Другие имена: brain monitoring in delirious postoperative patients Устройство: fcDOT Brain activity will be recorded to evaluate differences in brain activity between patients with a delirium diagnosis and non-delirious control patients. Другие имена: brain monitoring in delirious postoperative patients Устройство: fcMRI Brain activity will be recorded to evaluate differences in brain activity between patients with a delirium diagnosis and non-delirious control patients. Другие имена: brain monitoring in delirious postoperative patients

Группа участников / Армия

Вмешательство/лечение

Другой: delirium

Patients in the cardiothoracic ICU diagnosed with postoperative delirium. Subjects will wear a diffuse optical tomography device in addition to the normal monitors. A non-contrast functional MRI will be performed.

Устройство: EEG