BackgroundSmoking, obesity, and being below a healthy body weight are known to increase all-cause mortality rates and are considered modifiable risk factors. The purpose of this study is to assess whether adding these risk factors to a validated geriatric inpatient mortality risk tool will improve the predictive capacity for hip fracture patients. We hypothesize that the predictive capacity of the Score for Trauma Triage in the Geriatric and Middle-Aged (STTGMA) tool will improve. MethodologyBetween October 2014 and August 2021, 2,421 patients >55-years-old treated for hip fractures caused by low-energy mechanisms were analyzed for demographics, injury details, hospital quality measures, and mortality. Smoking status was recorded as a current every-day smoker, former smoker, or never smoker. Smokers (current and former) were compared to non-smokers (never smokers). Body mass index (BMI) was defined as underweight (<18.5 kg/m 2 ), healthy weight (18.5-24.9 kg/m 2 ), overweight (25.0-24.9 kg/m 2 ), or obese (>30 kg/m 2 ). The baseline STTGMA tool for hip fractures (STTGMAHIP_FX_SCORE) was modified to include patients' BMI and smoking status (STTGMA_MODIFIABLE), and new mortality risk scores were calculated. Each model's predictive ability was compared using DeLong's test by analyzing the area under the receiver operating curves (AUROCs). Comparative analyses were conducted on each risk quartile. ResultsA comparison of smokers versus non-smokers demonstrated that smokers experienced higher rates of inpatient (p = 0.025) and 30-day (p = 0.048) mortality, myocardial infarction (p < 0.01), acute respiratory failure (p < 0.01), and a longer length of stay (p = 0.014). Comparison among BMI cohorts demonstrated that underweight patients experienced higher rates of pneumonia (p = 0.033), decubitus ulcers (p = 0.046), and the need for an intensive care unit (ICU) (p < 0.01). AUROC comparison demonstrated that STTGMA_MODIFIABLE significantly improved the predictive capacity for inpatient mortality compared to STTGMAHIP_FX_SCORE (0.792 vs. 0.672, p = 0.0445). Quartile stratification demonstrated the highest risk cohort had a longer length of stay (p < 0.01), higher rates of inpatient (p < 0.01) and 30-day mortality (p < 0.01), and need for an ICU (p < 0.01) compared to the minimal risk cohort. Patients in the lowest risk quartile were most likely to be discharged home (p < 0.01). ConclusionsSmoking, obesity, and being below a healthy body weight increase the risk of perioperative complications and poor outcomes. Including smoking and BMI improves the STTGMAHIP_FX_SCORE tool to predict mortality and risk stratify patient outcomes. Because smoking, obesity, and being below a healthy body weight are modifiable patient factors, providers can counsel patients and implement lifestyle changes to potentially decrease their risk of longer-term poor outcomes, especially in the setting of another fracture. For patients who are former smokers, providers can use this information to encourage continued restraint and healthy choices.
Background: The posterolateral approach to the ankle allows for reduction and fixation of the posterior and lateral malleoli through the same surgical incision. This can be accomplished via 1 or 2 surgical “windows.” The purpose of this study is to compare outcomes including wound complications following direct fixation of unstable rotational ankle fracture through the posterolateral approach using either 1 or 2 surgical windows. Methods: One hundred sixty-four patients with bi- or trimalleolar ankle fractures treated using the single-window posterolateral approach (between the peroneal tendons and the flexor hallucis longus [FHL]) or the 2-window technique (between the peroneal tendons and the FHL for posterior malleolus fixation; lateral to the peroneal tendons for fibula fixation) were reviewed for demographics, radiographic details, and clinical outcomes. We were able to review these 164 at the 3-month follow-up and a subset of 104 at a minimum of 12-month follow-up. Results: One hundred eight ankles had the single-window approach; 56 had the 2-window approach. These 2 cohorts did not differ in demographic or injury characteristics. Ankles in the 2-window group experienced a greater number of early (3 months postsurgery) wound complications (32% vs 12%, P < .01). Two-window patients had more wound complications among ankles treated later than 1 week after injury (44% vs 16%, P < .01). There was no difference in surgical site infection, with low rates in both cohorts. Single-window patients had greater plantarflexion (35 ± 10 vs 30 ± 11 degrees, P = .025) and dorsiflexion after 12 months (21 ± 10 vs 16 ± 11 degrees, P = .021). We did not find a significant difference in nerve complications for these 2 cohorts. Conclusion: In our study, we found the single-window posterolateral approach to be associated with fewer wound complications and better postoperative range of ankle motion when compared to the 2-window approach. Level of Evidence: Level III, retrospective cohort study.
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