The burden of femoral shaft fractures in Tanzania

Development and validation of predictive nomogram for postoperative non-union of closed femoral shaft fracture

Closed femoral shaft fracture is caused by high-energy injuries, and non-union exists after operation, which can significantly damage patients' body and mind. This study aimed to explore the factors influencing postoperative non-union of closed femoral shaft fractures and establish a predictive nomogram. Patients with closed femoral shaft fractures treated at Hebei Medical University Third Hospital between January 2015 and December 2021 were retrospectively enrolled. A total of 729 patients met the inclusion criteria; of them, those treated in 2015-2019 comprised the training cohort (n = 617), while those treated in 2020-2021 comprised the external validation cohort (n = 112). According to multivariate logistic regression analysis, complex fractures, bone defects, smoking, and postoperative infection were independent risk factors. Based on the factors, a predictive nomogram was constructed and validated. The C-indices in training and external validation cohorts were 0.818 and 0.781, respectively; and the C-index of internal validation via bootstrap resampling was 0.804. The Hosmer-Lemeshow test showed good fit of the nomogram (P > 0.05) consistent with the calibration plot results. The clinical effectiveness was best at a threshold probability of 0.10-0.40 in decision curve analysis. The risk prediction for patients with fractures using this nomogram may aid targeted prevention and rehabilitation programs.

Knee Pain After Retrograde Intramedullary Nailing with Surgical Implant Generation Network of Femur Shaft Fractures at Public Hospitals in Bahir Dar City, Ethiopia: Analysis of 6-Months Follow-Up Results

Background

The incidence of femur fractures in young and elderly people has increased, particularly in countries with limited resources like Ethiopia. Intra-medullary nailing (IM) has been an effective and cost-effective method of treating long bone shaft fractures, but it can lead to complications such as knee pain.

Purpose

This study aimed to evaluate knee pain and its associated factors following retrograde intramedullary nailing for femur fractures.

Patients and Methods

The study followed 110 patients diagnosed with femur fractures and treated with retrograde SIGN Standard Nail or Fin Nail from January 2020 to December 2022 at two hospitals in Ethiopia. The patients were followed up for at least 6 months, and data were collected from medical charts, patient interviews, and phone calls to patients who did not attend the follow-up appointment. Binary logistic regression analysis was used to identify factors associated with knee pain.

Results

The study showed that 40 patients reported knee pain at 6-months follow-up, making a prevalence of 36.4%. Factors significantly associated with knee pain were a time of injury to nailing (AOR=4.23, 95% CI: 1.28-13.92), use of a screw to the medial cortex (AOR=9.30, 95% CI: 2.90-12.74), and fracture site (AOR= 2.67, 95% CI: 14.01-7.03). Specifically, the longer the time from injury to nailing, the higher the risk of knee pain. The use of a longer screw to the medial cortex and a fracture site were also positively associated with knee pain.

Conclusion

This study concludes that although retrograde intramedullary nail fixation is an effective method for femur fractures, it often results in knee pain. Approximately 4 of 10 patients suffered from knee pain in this study. Avoiding delayed surgical management and minimizing the use of prominent metalwork may reduce knee pain.

Femur fractures and hemorrhagic shock: Implications for point of injury treatment

BACKGROUND

Femur shaft fractures (FSF) are perceived as potentially life-threatening injuries due to significant blood loss. However, these injuries are rarely the sole cause of hemorrhagic shock. Clinical practice guidelines for the prehospital management of FSF are inconsistent, especially concerning the use and timing of traction splinting which is postulated to reduce bleeding. We sought to understand the association between FSF and shock, and identify risk factors for shock among casualties with FSF.

METHODS

This is a retrospective analysis of trauma casualties treated by Israeli Defense Forces (IDF) medical teams between the years 2000-2020 and suffering from isolated FSF. Prehospital data from the IDF-Medical Corps Trauma Registry was merged with hospitalization data from the Israeli National Trauma Registry. Isolated FSF was analyzed by excluding casualties with an Injury Severity Score ≥ 16 and an Abbreviated Injury Scale ≥ 3 in other anatomical regions. Shock was defined as systolic blood pressure ≤ 90 mmHg and/or heart rate ≥ 130 beats per minute. A case series review was performed for casualties in shock with isolated FSF injuries. Multivariable logistic regression was performed to assess for injury characteristics associated with shock.

RESULTS

During the study period, we identified 213 patients with FSF (4.9%) of which 129 were isolated injuries. Overall, 9.9% and 26.3% of casualties had concurrent thoracic and abdominal injuries, respectively. Most FSF were due to motor vehicle accidents (60.1%) and shock was present in 17.1%. In isolated FSF patients, gunshot and explosive injury mechanisms were prevalent (65.0%) with severe shock being present in 8.5%. Open fractures were present in 72.7% of isolated FSF patients in shock. Open FSF injuries were characterized by prehospital bleeding which was difficult to control. In a multivariable logistic regression model, severe concomitant injuries were associated with increased odds of shock.

CONCLUSIONS

Shock rarely presents when FSF is the primary injury. Such casualties predominantly suffer from open FSF which may present as difficult to control thigh bleeding. Our findings do not support urgent prehospital leg traction splinting which may result in delayed evacuation to definitive care. Casualties with shock and FSF should be investigated for other sources of bleeding. Leg traction splinting should be reserved for suspected FSF injuries with shock or persistent thigh bleeding.

The Initial Economic Burden of Femur Fractures on Informal Caregivers in Dar es Salaam, Tanzania

Background

Femur fracture patients require significant in-hospital care. The burden incurred by caregivers of such patients amplifies the direct costs of these injuries and remains unquantified.

Aim

Here we aim to establish the in-hospital economic burden faced by informal caregivers of femur fracture patients.

Methods

70 unique caregivers for 46 femoral shaft fracture patients were interviewed. Incurred economic burden was determined by the Human Capital Approach, using standardized income data to quantify productivity loss (in $USD). Linear regression assessed the relationship between caregiver burden and patient time-in-hospital.

Results

The average economic burden incurred was $149, 9% of a caregiver's annual income and positively correlated with patient time in hospital (p<0.01).

Conclusion

Caregivers of patients treated operatively for femur fractures lost a large portion of their annual income, and this loss increased with patient time in hospital. These indirect costs of femur fracture treatment constitute an important component of the total injury burden.

Assessment of clinical and radiographic outcomes following retrograde versus antegrade nailing of infraisthmic femoral shaft fractures without the use of intraoperative fluoroscopy in Tanzania

To compare clinical and radiographic outcomes following antegrade versus retrograde intramedullary nailing of infraisthmic femoral shaft fractures.

Design

Secondary analysis of prospective cohort study.

Setting

Tertiary hospital in Tanzania.

Participants

Adult patients with infraisthmic diaphyseal femur fractures.

Intervention

Antegrade or retrograde SIGN intramedullary nail.

Outcomes

Health-related quality of life (HRQOL), radiographic healing, knee range of motion, pain, and alignment (defined as less than or equal to 5 degrees of angular deformity in both coronal and sagittal planes) assessed at 6, 12, 24, and 52 weeks postoperatively.

Results

Of 160 included patients, 141 (88.1%) had 1-year follow-up and were included in analyses: 42 (29.8%) antegrade, 99 (70.2%) retrograde. Antegrade-nailed patients had more loss of coronal alignment (P = .026), but less knee pain at 6 months (P = .017) and increased knee flexion at 6 weeks (P = .021). There were no significant differences in reoperations, HRQOL, hip pain, knee extension, radiographic healing, or sagittal alignment.

Conclusions

Antegrade nailing of infraisthmic femur fractures had higher incidence of alignment loss, but no detectable differences in HRQOL, pain, radiographic healing, or reoperation. Retrograde nailing was associated with increased knee pain and decreased knee range of motion at early time points, but this dissipated by 1 year. To our knowledge, this is the first study to prospectively compare outcomes over 1 year in patients treated with antegrade versus retrograde SIGN intramedullary nailing of infraisthmic femur fractures.Level of Evidence: III.

Epidemiology of fractures and their treatment in Malawi: Results of a multicentre prospective registry study to guide orthopaedic care planning

IMPORTANCE

Injuries cause 30% more deaths than HIV, TB and malaria combined, and a prospective fracture care registry was established to investigate the fracture burden and treatment in Malawi to inform evidence-based improvements.

OBJECTIVE

To use the analysis of prospectively-collected fracture data to develop evidence-based strategies to improve fracture care in Malawi and other similar settings.

DESIGN

Multicentre prospective registry study.

SETTING

Two large referral centres and two district hospitals in Malawi.

PARTICIPANTS

All patients with a fracture (confirmed by radiographs)-including patients with multiple fractures-were eligible to be included in the registry.

EXPOSURE

All fractures that presented to two urban central and two rural district hospitals in Malawi over a 3.5-year period (September 2016 to March 2020).

MAIN OUTCOME(S) AND MEASURE(S)

Demographics, characteristics of injuries, and treatment outcomes were collected on all eligible participants.

RESULTS

Between September 2016 and March 2020, 23,734 patients were enrolled with a median age of 15 years (interquartile range: 10-35 years); 68.7% were male. The most common injuries were radius/ulna fractures (n = 8,682, 36.8%), tibia/fibula fractures (n = 4,036, 17.0%), humerus fractures (n = 3,527, 14.9%) and femoral fractures (n = 2,355, 9.9%). The majority of fractures (n = 21,729, 91.6%) were treated by orthopaedic clinical officers; 88% (20,885/2,849) of fractures were treated non-operatively, and 62.7% were treated and sent home on the same day. Open fractures (OR:53.19, CI:39.68-72.09), distal femoral fractures (OR:2.59, CI:1.78-3.78), patella (OR:10.31, CI:7.04-15.07), supracondylar humeral fractures (OR:3.10, CI:2.38-4.05), ankle fractures (OR:2.97, CI:2.26-3.92) and tibial plateau fractures (OR:2.08, CI:1.47-2.95) were more likely to be treated operatively compared to distal radius fractures.

CONCLUSIONS AND RELEVANCE

The current model of fracture care in Malawi is such that trained orthopaedic surgeons manage fractures operatively in urban referral centres whereas orthopaedic clinical officers mainly manage fractures non-operatively in both district and referral centres. We recommend that orthopaedic surgeons should supervise orthopaedic clinical officers to manage non operative injuries in central and district hospitals. There is need for further studies to assess the clinical and patient reported outcomes of these fracture cases, managed both operatively and non-operatively.

Impact of North American Institutions on Orthopedic Research in Low- and Middle-Income Countries

There exists an unmet need for locally relevant and sustainable orthopedic research in low- and middle-income countries. Partnerships between high-income countries and low- and middle-income countries can bridge gaps in resources, knowledge, infrastructure, and skill. This article presents a select list of models for high-income countries/low- and middle-income countries research partnerships including academic partnerships, international research consortia, professional society-associated working groups, and nongovernmental organization partnerships. Models that produce research with lasting legacy are those that promote mutually beneficial partnerships over individual gains.