Display Settings:

Format

Send to:

Choose Destination
    PLoS One. 2011;6(8):e23494. Epub 2011 Aug 22.

    Reduction of claustrophobia with short-bore versus open magnetic resonance imaging: a randomized controlled trial.

    Source

    Department of Radiology, Charité, Medical School, Humboldt Universität zu Berlin and Freie Universität Berlin, Berlin, Germany.

    Abstract

    BACKGROUND:

    Claustrophobia is a common problem precluding MR imaging. The purpose of the present study was to assess whether a short-bore or an open magnetic resonance (MR) scanner is superior in alleviating claustrophobia.

    METHODS:

    Institutional review board approval and patient informed consent were obtained to compare short-bore versus open MR. From June 2008 to August 2009, 174 patients (139 women; mean age = 53.1 [SD 12.8]) with an overall mean score of 2.4 (SD 0.7, range 0 to 4) on the Claustrophobia Questionnaire (CLQ) and a clinical indication for imaging, were randomly assigned to receive evaluation by open or by short-bore MR. The primary outcomes were incomplete MR examinations due to a claustrophobic event. Follow-up was conducted 7 months after MR imaging. The primary analysis was performed according to the intention-to-treat strategy.

    RESULTS:

    With 33 claustrophobic events in the short-bore group (39% [95% confidence interval [CI] 28% to 50%) versus 23 in the open scanner group (26% [95% CI 18% to 37%]; P = 0.08) the difference was not significant. Patients with an event were in the examination room for 3.8 min (SD 4.4) in the short-bore and for 8.5 min (SD 7) in the open group (P = 0.004). This was due to an earlier occurrence of events in the short-bore group. The CLQ suffocation subscale was significantly associated with the occurrence of claustrophobic events (P = 0.003). New findings that explained symptoms were found in 69% of MR examinations and led to changes in medical treatment in 47% and surgery in 10% of patients. After 7 months, perceived claustrophobia increased in 32% of patients with events versus in only 11% of patients without events (P = 0.004).

    CONCLUSIONS:

    Even recent MR cannot prevent claustrophobia suggesting that further developments to create a more patient-centered MR scanner environment are needed.

    TRIAL REGISTRATION:

    ClinicalTrials.gov NCT00715806.

    PMID:
    21887259
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3161742
    Free PMC Article

    Images from this publication.See all images (2) Free text

    Figure 2
    Figure 1

      Supplemental Content

      Icon for Public Library of Science Icon for PubMed Central

      Save items

      loading

      Recent activity

      Your browsing activity is empty.

      Activity recording is turned off.

      Turn recording back on

      See more...
      Write to the Help Desk