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1.
Acta Orthop ; 92(3): 292-296, 2021 06.
Article in English | MEDLINE | ID: mdl-33478319

ABSTRACT

Background and purpose - Studies regarding hip fractures in young patients are rare since the patient population is small. We assessed clinical outcomes 4 months after hip fracture in patients < 50 years of age and whether there were differences between sexes and different age groups.Patients and methods - We included adult patients < 50 years with a hip fracture between January 1, 2014 and December 31, 2018. Baseline data were extracted from the Swedish Registry for Hip Fracture Patients and Treatment (RIKSHÖFT) and mortality data was obtained from Statistics Sweden. The outcome variables were change of walking ability, pain in fractured hip, use of analgesics, living conditions, and mortality rate at 4 months.Results - Of the 905 patients included, 72% were men and femoral neck fractures were most common (58%). 4 months after surgery, 23% used a walking aid and 7% reported severe pain. Women reported slightly more pain and higher usage of analgesics. Patients aged 40-49 reported higher usage of analgesics than patients aged 15-39, although the latter group reported more pain. Nearly all of those who lived independently before fracture did so at 4 months. The mortality rate was < 1%.Interpretation - Most patients did not use any walking aid and few had severe pain at 4 months. Furthermore, a hip fracture is not a life-threatening event in a patient < 50 years. The living conditions did not change for those who lived independently before the fracture.


Subject(s)
Hip Fractures/surgery , Adolescent , Adult , Age Factors , Female , Hip Fractures/physiopathology , Hip Fractures/psychology , Humans , Male , Middle Aged , Pain/epidemiology , Recovery of Function , Sex Factors , Social Conditions , Sweden , Treatment Outcome , Walking , Young Adult
2.
Eur J Trauma Emerg Surg ; 47(3): 803-809, 2021 Jun.
Article in English | MEDLINE | ID: mdl-31740996

ABSTRACT

BACKGROUND: The purpose of this study was to compare the cumulative incidence of postoperative periprosthetic fracture (PPF) in a cohort of femoral neck fracture (FNF) patients treated with two commonly used cemented stems: either a collarless, polished, tapered Exeter stem or the anatomic Lubinus SP2 stem. METHODS: In this retrospective multicenter cohort study of a consecutive series of patients, we included 2528 patients of age 60 years and above with an FNF who were treated with either hemiarthroplasty or total hip arthroplasty using either a polished tapered Exeter stem or an anatomic Lubinus SP2 stem. The incidence of PPF was assessed at a minimum of 2 years postoperatively. RESULTS: The incidence of PPF was assessed at a median follow-up of 47 months postoperatively. Thirty nine patients (1.5%) sustained a PPF at a median of 27 months (range 0-96 months) postoperatively. Two of the operatively treated fractures were Vancouver A (5%), 7 were Vancouver B1 (18%), 10 were Vancouver B2 (26%), 7 were Vancouver B3 (18%), and 13 were Vancouver C (32%). The cumulative incidence of PPF was 2.3% in the Exeter group compared with 0.7% in the SP2 group (p < 0.001). The HR was 5.4 (95% CI 2.4-12.5, p < 0.001), using the SP2 group as the denominator. CONCLUSIONS: The Exeter stem was associated with a higher risk for PPF than the Lubinus SP2 stem. We suggest that the tapered Exeter stem should be used with caution in the treatment of FNF. TRIAL REGISTRATION: The study was registered at clinicaltrials.gov (identifier: NCT03326271).


Subject(s)
Arthroplasty, Replacement, Hip , Femoral Fractures , Hip Fractures , Hip Prosthesis , Periprosthetic Fractures , Arthroplasty, Replacement, Hip/adverse effects , Cohort Studies , Femoral Fractures/surgery , Hip Fractures/surgery , Hip Prosthesis/adverse effects , Humans , Middle Aged , Periprosthetic Fractures/epidemiology , Periprosthetic Fractures/surgery , Prosthesis Design , Reoperation , Retrospective Studies
3.
Eur J Trauma Emerg Surg ; 47(6): 2043-2048, 2021 Dec.
Article in English | MEDLINE | ID: mdl-32363412

ABSTRACT

PURPOSE: Patients sustaining a hip fracture have a high mortality rate during the first postoperative year and the Sernbo score may stratify patients into a high, intermediate and low risk of death during this period. We assessed its predictive properties on patients from the National Swedish Hip Fracture Register. PATIENTS AND METHODS: 55,716 hip fracture patients, 69% women older than 65 years at surgery (registered between 2010 and 2015) with complete Sernbo scores and mortality data were studied. Receiver-operating characteristics analyses (ROC) were used. Validation of Sernbo score was performed. RESULTS: The overall 1-year mortality rate was 26%-and 17%, 27.4% and 55.6% in the low, intermediate and high-risk groups, respectively. The ROC analysis indicated a predictive ability of the Sernbo score, with an AUC of 0.69 (CI 0.68-0.69). CONCLUSION: In this registry-based study, the easy-to-use Sernbo scoring system proved to be appropriate and useful way to identify hip fracture patients with a high-risk mortality during the first postoperative year.


Subject(s)
Hip Fractures , Female , Hip Fractures/surgery , Humans , Male , Postoperative Period , ROC Curve , Registries , Risk Factors
4.
J Bone Joint Surg Am ; 101(10): 888-895, 2019 May 15.
Article in English | MEDLINE | ID: mdl-31094980

ABSTRACT

BACKGROUND: Hip fractures are associated with high mortality and reduced quality of life. Studies have reported a high body mass index (BMI) as being positively associated with survival when linked to old age and some chronic diseases. This phenomenon is called the "obesity paradox." The association between BMI and survival after hip fracture has not been thoroughly studied in large samples, nor has to what extent the association is altered by comorbidities, sex, and age. The objective of this study was to investigate the association of BMI with survival after hip fracture and with the probability of returning to living at home after hip fracture. METHODS: This cohort study was based on data from a prospectively maintained national registry of patients with hip fracture. A total of 17,756 patients ≥65 years of age who were treated for hip fracture during the period of 2013 to 2016, and followed until the end of 2017, were included. BMI was clinically assessed at hospital admission, comorbidity was measured with the American Society of Anesthesiologists (ASA) score, and the date of death was retrieved from a national database. Self-reported data on living arrangements were assessed on admission and 4 months after fracture. Multivariable regression models were used to estimate the associations. RESULTS: Despite ASA scores being similar among all BMI groups, obese patients had the highest 1-year survival and patients with a BMI of <22 kg/m had the lowest. Adjustment for potential confounders strengthened the associations. For the chance of returning to living at home, no advantage was seen for obese patients, but patients with a BMI of <22 kg/m had clearly worse odds compared with patients who were of normal weight, overweight, or obese. CONCLUSIONS: The obesity paradox appears to be true for hip fracture patients aged 65 and older. Attention should be given to patients with malnutrition and underweight status rather than to those with overweight status or obesity when developing the orthogeriatric care. LEVEL OF EVIDENCE: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.


Subject(s)
Fracture Fixation/mortality , Hip Fractures/mortality , Independent Living/statistics & numerical data , Obesity/complications , Aged , Aged, 80 and over , Body Mass Index , Female , Fracture Fixation/rehabilitation , Hip Fractures/complications , Hip Fractures/rehabilitation , Hip Fractures/surgery , Humans , Male , Postoperative Period , Prognosis , Recovery of Function , Registries , Regression Analysis , Risk Factors , Self Report , Survival Analysis , Sweden/epidemiology , Thinness/complications , Treatment Outcome
5.
Acta Orthop ; 88(4): 402-406, 2017 Aug.
Article in English | MEDLINE | ID: mdl-28426259

ABSTRACT

Background and purpose - Displaced femoral neck fractures (FNFs) are associated with high rates of mortality during the first postoperative year. The Sernbo score (based on age, habitat, mobility, and mental state) can be used to stratify patients into groups with different 1-year mortality. We assessed this predictive ability in patients with a displaced FNF treated with a hemiarthroplasty or a total hip arthroplasty. Patients and methods - 292 patients (median age 83 (65-99) years, 68% female) with a displaced FNF were included in this prospective cohort study. To predict 1-year mortality, we used a multivariate logistic regression analysis including comorbidities and perioperative management. A receiver operating characteristic (ROC) analysis was used to evaluate the predictive ability of the Sernbo score, which was subsequently divided in a new manner into a low, intermediate, or high risk of death during the first year. Results - At 1-year follow-up, the overall mortality rate was 24%, and in Sernbo's low-, intermediate-, and high-risk groups it was 5%, 22%, and 51%, respectively. The Sernbo score was the only statistically significant predictor of 1-year mortality: odds ratio for the intermediate-risk group was 4.2 (95% Cl: 1.5-12) and for the high-risk group it was 15 (95% CI: 5-40). The ROC analysis showed a fair predictive ability of the Sernbo score, with an area under the curve (AUC) of 0.79 (95% CI: 0.73-0.83). Using a cutoff of less than 11 points on the score gave a sensitivity of 61% and a specificity of 83%. Interpretation - The Sernbo score identifies patients who are at high risk of dying in the first postoperative year. This scoring system could be used to better tailor perioperative care and treatment in patients with displaced FNF.


Subject(s)
Arthroplasty, Replacement, Hip/mortality , Femoral Neck Fractures/surgery , Hemiarthroplasty/mortality , Activities of Daily Living , Age Factors , Aged , Aged, 80 and over , Female , Femoral Neck Fractures/mortality , Humans , Kaplan-Meier Estimate , Logistic Models , Male , Prospective Studies , Risk Assessment , Risk Factors
6.
Hip Int ; 27(4): 349-353, 2017 Jul 25.
Article in English | MEDLINE | ID: mdl-28165600

ABSTRACT

INTRODUCTION: Periprosthetic joint infection (PJI) is a severe complication of hip arthroplasty for femoral neck fractures (FNF). Debridement, antibiotics and implant retention (DAIR) is recommended in early PJI in association with stable implants. Few studies have evaluated the outcome of DAIR in this fragile population.The purpose of this study was to analyse risk factors for PJI and the short-term outcome of DAIR in FNF patients treated with a hip arthroplasty. METHODS: A consecutive series of 736 patients (median age 81 years, 490 women, 246 men) had been treated with either a total hip arthroplasty or a hemi hip arthroplasty for a displaced FNF at our institution. 33 (4.5%) of the hips developed an early (<6 weeks post operatively) PJI and 28 (3.8%) of these patients were treated according to the DAIR-protocol. Regression analyses were performed to assess risk factors for developing a PJI. RESULTS: DAIR eradicated the PJI in 82% (23/28) of patients at a median follow-up of 31 (SD 29.8) months of the infected hips.The logistic regression analysis indicated that 2 or more changes of the primary dressing due to wound bleeding was associated with an increased risk for developing PJI (OR 4.9, 95% 1.5 to 16.1, p = 0.01). CONCLUSIONS: The short-term success-rate of DAIR was unexpectedly favourable in this fragile patient population; the results being on par with that after PJI in osteoarthritis patients. The need for repeated bandage changes postoperatively indicates an increased risk for PJI and should prompt early surgical intervention.


Subject(s)
Anti-Bacterial Agents/therapeutic use , Arthroplasty, Replacement, Hip/adverse effects , Femoral Neck Fractures/surgery , Prosthesis-Related Infections/therapy , Aged , Aged, 80 and over , Arthroplasty, Replacement, Hip/methods , Cohort Studies , Confidence Intervals , Databases, Factual , Debridement/methods , Female , Femoral Neck Fractures/diagnostic imaging , Follow-Up Studies , Hip Prosthesis , Humans , Injury Severity Score , Male , Odds Ratio , Prosthesis-Related Infections/diagnostic imaging , Retrospective Studies , Risk Assessment , Sweden , Time Factors , Treatment Outcome
8.
Acta Orthop ; 87(3): 257-61, 2016 06.
Article in English | MEDLINE | ID: mdl-27045318

ABSTRACT

Background and purpose - Recent studies have demonstrated a high incidence of postoperative periprosthetic femoral fracture (PPF) in elderly patients treated with 2 commonly used cemented, polished tapered stems. We compared the prevalence and incidence rate of PPF in a consecutive cohort of octagenerians with femoral neck fractures (FNFs) treated with either a collarless, polished tapered (CPT) stem or an anatomic matte stem (Lubinus SP2). Patients and methods - In a multicenter, prospective cohort study, we included 979 hips in patients aged 80 years and above (72% females, median age 86 (80-102) years) with a femoral neck fracture as indication for surgery. 69% of the patients were classified as ASA class 3 or 4. Hip-related complications and repeat surgery were assessed at a median follow-up of 20 (0-24) months postoperatively. Results - 22 hips (2.2%) sustained a PPF at a median of 7 (0-22) months postoperatively; 14 (64%) were Vancouver B2 fractures. 7 of the 22 surgically treated fractures required revision surgery, mainly due to deep infection. The cumulative incidence of PPFs was 3.8% in the CPT group, as compared with 0.2% in the SP2 group (p < 0.001). The risk ratio (RR) was 16 (95% CI: 2-120) using the SP2 group as denominator. Interpretation - The CPT stem was associated with a higher risk of PPF than the SP2 stem. We suggest that the tapered CPT stem should not be used for the treatment of femoral neck fractures in patients over 80 years.


Subject(s)
Arthroplasty, Replacement, Hip , Hip Prosthesis , Aged, 80 and over , Femoral Fractures/epidemiology , Hip Fractures , Humans , Periprosthetic Fractures/epidemiology , Prevalence , Prospective Studies , Prosthesis Design , Reoperation , Treatment Outcome
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