Prognostic factors and quality of life after pelvic fractures. The Brabant Injury Outcome Surveillance (BIOS) study

L Brouwers, M A C de Jongh, L de Munter, M Edwards, K W W Lansink, L Brouwers, M A C de Jongh, L de Munter, M Edwards, K W W Lansink

Abstract

Introduction: Pelvic fractures can have long-term consequences for health-related quality of life (HRQoL). The main purpose of this study is to provide insight into short-term HRQoL in the first year after pelvic injury and to identify short-term prognostic factors of decreased outcome.

Methods: This is a prospective, observational, multicenter, follow-up cohort study in which HRQoL and functional outcomes were assessed during 12-month follow-up of injured adult patients admitted to 1 of 10 hospitals in the county of Noord-Brabant, the Netherlands. The data were collected by self-reported questionnaires at 1 week (including preinjury assessment) and 1, 3, 6 and 12 months after injury. The EuroQoL-5D (EQ-5D), visual analog scale (VAS), Merle d'Aubigné Hip Score (MAHS) and Majeed Pelvic Score (MPS) were used. Multivariable mixed models were used to examine the course of the HRQoL and the prognostic factors for decreased HRQoL and functional outcomes over time.

Results: A total of 184 patients with pelvic fractures were identified between September 2015-September 2016; the fractures included 71 Tile A, 44 Tile B and 10 Tile C fractures and 59 acetabular fractures. At the pre-injury, 1 week, and 1, 3, 6 and 12 months after injury time points, the mean EQ-5D Index values were 0.90, 0.26, 0.45, 0.66, 0.77 and 0.80, respectively, and the mean EQ-VAS values were 83, 45, 57, 69, 75 and 75, respectively. At 6 and 12 months after injury, 22 and 25% of the MPS < 65 year group, 38 and 47% of the MPS ≥ 65 year group and 34 and 51% of the MAHS group, respectively, reached the maximum score. Pre-injury score, female gender and high Injury Severity Score (ISS) were important prognostic factors for a decreased HRQoL, and the EQ-5D VAS β = 0.43 (95% CI: 0.31 - 0.57), -6.66 (95% CI: -10.90 - -0.43) and -7.09 (95% CI: -6.11 - -5.67), respectively.

Discussion: Patients with pelvic fractures experience a reduction in their HRQoL. Most patients do not achieve the HRQoL of their pre-injury state within 1 year after trauma. Prognostic factors for decreased HRQoL are a low pre-injury score, high ISS and female gender. We do not recommend using the MAHS and MPS in mid- or long-term follow-up of pelvic fractures because of ceiling effects. Trial registration number NCT02508675.

Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1. Flow of participants through the…
Fig 1. Flow of participants through the study.
Fig 2. Mean EQ-5D VAS, index score*…
Fig 2. Mean EQ-5D VAS, index score* and MPS over time.
*To combine all questionnaires in one figure, the results of the EQ-5D index are multiplied by a hundred (“x 100”).
Fig 3. Mean MAHS over time, total…
Fig 3. Mean MAHS over time, total mean score.

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Source: PubMed

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