Category: science

I found an interesting blog post from my previous blog, The Practical Psychosomaticist. I wrote it in 2011 and it’s about the patient experience of delirium. I was delirious briefly after a colonoscopy many years ago. I don’t remember much about it. But from what Sena tells me about it, it was similar to other delirium episodes I’ve seen in the hospitalized medically ill. Thankfully, it was not severe.

“Recalling the Experience of Delirium: The Delirium Experience Questionnaire (DEQ)

Have you ever been delirious and recalled the experience? Many patients do and they usually are frightened by the experience which can be marked by delusions and hallucinations that are remembered as fragments of a harrowing nightmare. This has been studied by Breitbart, et al using an instrument they developed called the Delirium Experience Questionnaire (DEQ). In the article there’s a description of the scale:

The DEQ is a face-valid, brief instrument that was developedby the investigators specifically for this survey study andassesses recall of the delirium experience and the degree ofdistress related to the delirium episode in patients, spouses/caregivers,and nurses. The DEQ asks six questions of patients who haverecovered from an episode of delirium including: 1) Do you rememberbeing confused? Yes or No; 2) If no, are you distressed thatyou can’t remember? Yes or No; 3) How distressed? 0–4numerical rating scale (NRS) with 0 = not at all and 4 = extremely;4) If you do remember being confused, was the experience distressing?Yes or No; 5) How distressing? 0–4 NRS; and 6) Can youdescribe the experience? This final question allowed for a qualitativeassessment of the delirium experience through the verbatim transcriptionof patients’ description of the experience (not reported inthis paper). In addition, spouse/caregivers and nurses wereeach asked a single question: 1) Spouse/caregiver: How distressedwere you during the patient’s delirium? 0–4 NRS; 2) Nurse:Your patient was confused, did you find it distressing? 0–4NRS. The DEQ was administered on resolution of delirium[1].

54% of patients recalled their delirium experience. Perceptual disturbances were among the best predictors of recall. Delusions were the most significant predictor of distress. Patients with hypoactive delirium were just as distressed as those with hyperactive delirium. Mean distress levels for patients were rated at around 3 by patients and their nurses and close to 4 by family members.

In another more recent and similar study using the DEQ, the numbers were even more sobering. 74% of patients recalled being delirious and 81% reported the experience as distressing with a median distress level of 3[2].

In my work as a consultant, I’ve interviewed many patients who are delirious and their relatives and friends, who suffer as well from the experience of watching someone they love suffer from delirium. It’s very difficult to watch this kind of mental torture caused by medical disorders and medications.

The 6^th question of the DEQ often produced accounts that sound terrifying. The point of the article was that the subjective report of delirium sufferers confirms that the distress levels are very high indeed and remind us of the major reason for developing systematic methods of preventing it or detecting it early and managing the syndrome—reducing suffering.”

1.            Breitbart, W., C. Gibson, and A. Tremblay, The Delirium Experience: Delirium Recall and Delirium-Related Distress in Hospitalized Patients With Cancer, Their Spouses/Caregivers, and Their Nurses. Psychosomatics, 2002. 43(3): p. 183-194.

2.            Bruera, E., et al., Impact of delirium and recall on the level of distress in patients with advanced cancer and their family caregivers. Cancer, 2009. 115(9): p. 2004-12.