Outcome of bilateral hip hemiarthroplasty for displaced fracture of the hip

Instrumental Activities of Daily Living-A Good Tool to Prospectively Assess Disability after a Second Contralateral Hip Fracture?

The aim of this study was to determine the outcome for patients who sustain a second hip fracture compared with those who sustain a first fracture, and to define the optimal measure to evaluate functional outcome after second hip fracture. Methods: 343 patients with acute hip fractures who presented during a 12 month period were included in the study. Patients with a first (318 patients, 78.10 +/− 7.53 years) and second (25 patients, 78.96 +/− 6.02) hip fracture were compared regarding all baseline variables. Regression analysis was also performed to assess the independent relationship between the presence of a second hip fracture and observed outcome variables at discharge (physical disability, complications, length of stay, and mortality) and one-year after surgery (physical disability and mortality). Results: Disability when performing instrumentalized activities of daily living (IADL) at one-year follow-up is independently related to the presence of a second hip fracture. There were no other statistically significant relationships between the presence of a second hip fracture and other observed outcome variables. Conclusions: Patients with a second hip fracture showed worse functional outcome at one-year follow-up when measured with the IADL scale. No increased short-nor long-term mortality rates were found in patients with a secondary hip fracture. IADL is a good tool to assess disability after a second hip fracture and could be thus a more reliable outcome measure when investigating differences in functional recovery in patients with a second hip fracture compared to conventionally used ADL scales.

Factors influencing length of stay and mortality after first and second hip fractures: an event modeling analysis

OBJECTIVE

The aim of this study was to investigate factors influencing length of stay and mortality in first and second hip fractures.

DESIGN

This was a retrospective study with data analysis.

SETTING

The study was conducted at a level 1 trauma center.

PATIENTS

Six hundred and seventy-two patients treated for hip fractures (OTA 31-A, 31-B, 32-A1.1) over 30 months were split into 2 groups. 1FG: Six hundred and ten patients (90.8%) suffered a fracture for the first time. 2FG: Sixty-two patients (9.2%) had previously sustained contralateral fractures.

INTERVENTION

Dynamic hip screws or cephalomedullary nails (31-A fractures); cephalomedullary nails (32-A1.1); dynamic hip screws or cannulated screws (undisplaced 31-B fractures); and hemiarthroplasty (displaced 31-B fractures) were used.

MAIN OUTCOME MEASURES

Postoperative lengths of stay on trauma ward (LOS-T) on the rehabilitation unit (LOS-R) and in hospital (LOS-H) were calculated. Dates of death were recorded. Event analysis and structural equation modeling were used to assess the impact of second fractures, fracture types, age, gender, and ASA grades on these.

RESULTS

: The 2 groups were comparable in gender distribution, ASA grades, fracture types, LOS, and mortality at 120 days. 2FG patients were older than 1FG (mean 83.3 vs 80.2 years) with a higher proportion being discharged to institutional care (35.5% vs 18.5%). Event modeling analysis showed that LOS-T was dependent on ASA grade, whereas mortality was dependent on ASA grade, age, and gender. Second fractures were not related to the risks of increased LOS-T, LOS-R, and mortality.

CONCLUSIONS

Second fractures per se do not increase the risk of longer postoperative stay or higher mortality. Any observed effect on these outcomes in second fractures represents the influence of increasing age.

LEVEL OF EVIDENCE

Prognostic Level II. See Instructions for Authors for a complete description of levels of evidence.