TITLE

Incidence of and Risk Factors for Complications Associated with Halo-Vest Immobilization: A Prospective, Descriptive Cohort Study of 239 Patients

AUTHOR(S)
van Middendorp, Joost J.; Slooff, Willem-Bart M.; Nellestein, W. Ronald; Oner, F. Cumhur
PUB. DATE
January 2009
SOURCE
Journal of Bone & Joint Surgery, American Volume;Jan2009, Vol. 91-A Issue 1, p71
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Since high rates of serious complications, such as death and pneumonia, during halo-vest immobilization have been reported, there has been a tendency of restraint with regard to the use of the halo vest. However, the rate of complications in a high-volume center with sufficient experience is unknown. Our objective was to determine the incidence of and risk factors associated with complications during halo-vest immobilization. Methods: During a five-year period, a prospective cohort study was performed in a single, level-I trauma center that was also a tertiary referral center for spinal disorders. Data from all patients undergoing halo-vest immobilization were collected prospectively, and every complication was recorded. The primary outcome was the presence or absence of complications. Univariate regression analysis and regression modeling were used to analyze the results. Results: In 239 patients treated with halo-vest immobilization, twenty-six major, seventy-two intermediate, and 121 minor complications were observed. Fourteen patients (6%) died during the treatment, although only one death was related directly to the immobilization and three were possibly related directly to the immobilization. Twelve patients (5%) acquired pneumonia during halo-vest immobilization. Patients older than sixty-five years did not have an increased risk of pneumonia (p = 0.543) or halo vest-related mortality (p = 0.467). Halo vest-related complications ranged from three patients (1%) with incorrect initial placement of the halo vest to twenty-nine patients (12%) with a pin-site infection. Pin- site infection was significantly related to pin penetration through the outer table of the skull (odds ratio, 4.34; 95% confidence interval, 1.22 to 15.51; p = 0.024). In 164 trauma patients treated only with halo-vest immobilization, cervical fractures with facet joint involvement or dislocations were significantly related to radiographic loss of alignment during follow-up (odds ratio, 2.81; 95% confidence interval, 1.06 to 7.44; p = 0.031). Conclusions: There are relatively low rates of mortality and pneumonia during halo-vest immobilization, and elderly patients do not have an increased risk of pneumonia or death related to halo-vest immobilization. Nevertheless, the total number of minor complications is substantial. This study confirms that awareness of and responsiveness to minor complications can prevent subsequent development of serious morbidities and perhaps reduce mortality. Level of Evidence: Prognostic Level IV. See Instructions to Authors for a complete description of levels of evidence.
ACCESSION #
36330041

 

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