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Total Hip Arthroplasty Leads to Better Results After Low-Energy Displaced Femoral Neck Fracture in Patients Aged 55 to 70 Years : A Randomized Controlled Multicenter Trial Comparing Internal Fixation and Total Hip Arthroplasty

Bartels, Stefan ; Kristensen, Torbjørn B. ; Gjertsen, Jan Erik ; Frihagen, Frede ; Rogmark, Cecilia LU ; Dolatowski, Filip C. ; Figved, Wender ; Benth, Jūratė Šaltytė and Utvåg, Stein Erik (2022) In Journal of Bone and Joint Surgery 104(15). p.1341-1351
Abstract

Background:The optimal treatment of displaced femoral neck fractures in patients 55 to 70 years old remains controversial. The aim of the present study was to assess the effect of closed reduction and internal fixation with cannulated screws (IF) compared with total hip arthroplasty (THA) on hip pain and function, with use of data for outcome measures, complications, and reoperations.Methods:This multicenter randomized controlled trial included all patients 55 to 70 years old who presented with a low-energy displaced femoral neck fracture between December 2013 and December 2018. Patients were randomly allocated to undergo either IF or THA. The primary outcome was the Harris Hip Score (HHS) at 12 months postoperatively. Secondary... (More)

Background:The optimal treatment of displaced femoral neck fractures in patients 55 to 70 years old remains controversial. The aim of the present study was to assess the effect of closed reduction and internal fixation with cannulated screws (IF) compared with total hip arthroplasty (THA) on hip pain and function, with use of data for outcome measures, complications, and reoperations.Methods:This multicenter randomized controlled trial included all patients 55 to 70 years old who presented with a low-energy displaced femoral neck fracture between December 2013 and December 2018. Patients were randomly allocated to undergo either IF or THA. The primary outcome was the Harris Hip Score (HHS) at 12 months postoperatively. Secondary outcomes were the HHS at 4 and 24 months postoperatively, Oxford Hip Score (OHS), Hip Disability and Osteoarthritis Outcome Score (HOOS), health-related quality of life (EQ-5D-3L [EuroQol 5 Dimensions 3 Levels] index score and EQ-VAS [visual analogue scale]), VAS for pain, and VAS for patient satisfaction at 4, 12, and 24 months postoperatively. Complications and reoperations were continuously monitored. The primary analyses were performed according to the intention-to-treat principle.Results:A total of 102 patients with a mean (± standard deviation) age of 63.7 ± 4.2 years were allocated to IF (n = 51) or THA (n = 51). The mean difference in the primary outcome, the HHS at 12 months postoperatively (5.3; 95% confidence interval, 0.9 to 9.7; p = 0.017), was below the predefined minimal clinically important difference of 10 points. However, patients who underwent THA had a significantly higher HHS at 4 and 12 months, better OHS at 4 and 12 months, and better HOOS at 4, 12, and 24 months postoperatively. Patients who underwent THA also reported better health-related quality of life at 4 months postoperatively and reported greater satisfaction and less pain at 4 and 12 months postoperatively. A total of 26 patients in the IF group (51%; 95% confidence interval, 37% to 65%) and 2 patients in the THA group (4%; 95% confidence interval, 0.5% to 13%) underwent a major reoperation.Conclusions:In this randomized controlled trial, we showed that patients between 55 and 70 years old who underwent THA for a low-energy displaced femoral neck fracture experienced better outcomes than those who underwent closed reduction and internal fixation.Level of Evidence:Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.

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Contribution to journal
publication status
published
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in
Journal of Bone and Joint Surgery
volume
104
issue
15
pages
11 pages
publisher
Lippincott Williams & Wilkins
external identifiers
  • pmid:35700073
  • scopus:85135433196
ISSN
0021-9355
DOI
10.2106/JBJS.21.01411
language
English
LU publication?
yes
id
31703e5f-e95d-48d4-bde7-91bc5688e8af
date added to LUP
2022-10-07 12:49:29
date last changed
2024-04-18 14:49:09
@article{31703e5f-e95d-48d4-bde7-91bc5688e8af,
  abstract     = {{<p>Background:The optimal treatment of displaced femoral neck fractures in patients 55 to 70 years old remains controversial. The aim of the present study was to assess the effect of closed reduction and internal fixation with cannulated screws (IF) compared with total hip arthroplasty (THA) on hip pain and function, with use of data for outcome measures, complications, and reoperations.Methods:This multicenter randomized controlled trial included all patients 55 to 70 years old who presented with a low-energy displaced femoral neck fracture between December 2013 and December 2018. Patients were randomly allocated to undergo either IF or THA. The primary outcome was the Harris Hip Score (HHS) at 12 months postoperatively. Secondary outcomes were the HHS at 4 and 24 months postoperatively, Oxford Hip Score (OHS), Hip Disability and Osteoarthritis Outcome Score (HOOS), health-related quality of life (EQ-5D-3L [EuroQol 5 Dimensions 3 Levels] index score and EQ-VAS [visual analogue scale]), VAS for pain, and VAS for patient satisfaction at 4, 12, and 24 months postoperatively. Complications and reoperations were continuously monitored. The primary analyses were performed according to the intention-to-treat principle.Results:A total of 102 patients with a mean (± standard deviation) age of 63.7 ± 4.2 years were allocated to IF (n = 51) or THA (n = 51). The mean difference in the primary outcome, the HHS at 12 months postoperatively (5.3; 95% confidence interval, 0.9 to 9.7; p = 0.017), was below the predefined minimal clinically important difference of 10 points. However, patients who underwent THA had a significantly higher HHS at 4 and 12 months, better OHS at 4 and 12 months, and better HOOS at 4, 12, and 24 months postoperatively. Patients who underwent THA also reported better health-related quality of life at 4 months postoperatively and reported greater satisfaction and less pain at 4 and 12 months postoperatively. A total of 26 patients in the IF group (51%; 95% confidence interval, 37% to 65%) and 2 patients in the THA group (4%; 95% confidence interval, 0.5% to 13%) underwent a major reoperation.Conclusions:In this randomized controlled trial, we showed that patients between 55 and 70 years old who underwent THA for a low-energy displaced femoral neck fracture experienced better outcomes than those who underwent closed reduction and internal fixation.Level of Evidence:Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.</p>}},
  author       = {{Bartels, Stefan and Kristensen, Torbjørn B. and Gjertsen, Jan Erik and Frihagen, Frede and Rogmark, Cecilia and Dolatowski, Filip C. and Figved, Wender and Benth, Jūratė Šaltytė and Utvåg, Stein Erik}},
  issn         = {{0021-9355}},
  language     = {{eng}},
  number       = {{15}},
  pages        = {{1341--1351}},
  publisher    = {{Lippincott Williams & Wilkins}},
  series       = {{Journal of Bone and Joint Surgery}},
  title        = {{Total Hip Arthroplasty Leads to Better Results After Low-Energy Displaced Femoral Neck Fracture in Patients Aged 55 to 70 Years : A Randomized Controlled Multicenter Trial Comparing Internal Fixation and Total Hip Arthroplasty}},
  url          = {{http://dx.doi.org/10.2106/JBJS.21.01411}},
  doi          = {{10.2106/JBJS.21.01411}},
  volume       = {{104}},
  year         = {{2022}},
}