Subtrochanteric femoral shortening osteotomy is a crucial procedure to prevent nerve injury in total hip arthroplasty for severe developmental dysplasia of the hip. Transverse osteotomy was first applied, and other modified methods have also been reported. Each has its own advantages and limitations, but no definitive conclusions regarding differences in outcomes have been reached to date. We therefore performed a comprehensive meta-analysis to compare the outcomes of different approaches. 37 studies (795 hips) were included in the final analysis. Meta-analysis, subgroup analysis and meta-regression were performed. Meta-analysis and subgroup analysis showed no significant difference between transverse and modified method. This is further confirmed by meta-regression. Method of osteotomy was found to be not associated with nonunion rate (P = 0.472), as well as other post-operative outcomes including nerve palsy (P = 0.240), dislocation (P = 0.735), revision (P = 0.653) and Harris hip score improvement (P = 0.562). In addition, western countries (P = 0.010) and duration of follow-up more than 5 years (P = 0.014) were associated with higher revision rate. Transverse osteotomy and modified osteotomy appear to be equivalent in terms of nonunion, safety and efficacy. Transverse osteotomy may be recommended, due to its simplicity and convenience in adjusting the anteversion angle. Well-designed and large-sample-size randomized controlled trials are expected to confirm and update the findings of this analysis.

/pdf/comparison-of-transverse-and-modified-subtrochanteric-1fosya2q0n.pdf

Comparison of transverse and modified subtrochanteric femoral shortening osteotomy in total hip arthroplasty for developmental dysplasia of hip: a meta-analysis

Femoral neck fractures are frequent in the elderly population and lead to high morbidity and mortality. Hemiarthroplasty is an established surgical procedure for displaced intracapsular femoral neck fractures. Post-operative infection is frequent and is potentially devastating for the patient and the healthcare services. The goal of this study was to identify the risk factors of infection after hemiarthroplasty and help adapt our surgical practice. A systematic review of the literature was performed in July 2015 by two authors using the MedLine, PubMed and Cochrane databases. We used the MeSH keywords “hip hemiarthroplasty” AND “infection” to identify risk factors and methods of prevention for surgical site infection after hemiarthroplasty. Following the search, two authors independently performed the first stage based on titles and abstracts. Thirty-seven articles were selected. Review and analysis of the references was performed to find other articles of interest. Thirteen articles were selected to analyse. According to literature, the surgical site infection (SSI) rate after hip hemiarthroplasty (HHA) is between 1.7 and 7.3 %. Pre-operative comorbidities (obesity, liver disease, advanced age), operative conditions (junior surgeon, uncemented stems, time of surgery) and post-operative management (length of hospitalisation, haematoma, prolonged wound drainage and two urinary catheterisations) were identified as risk factors of surgical site infection. Authors describe conditions to decrease the incidence of these complications and underline the importance of “a specialised hip team” that provides fast care and helps decrease the duration of hospitalisation. Careful patient management for hemiarthroplasty is vital and may decrease the incidence of surgical site infection, which is associated with high morbidity and high procedure cost. Our review suggests that there are specific correctable risk factors for SSIs after HHA. Being able to identify these risk factors leads to better care because of SSI prevention in patients undergoing HHAs after femoral neck fractures. To improve the outcomes, some methods of prevention of surgical site infection are available: before, during and after the operation. Review of literature. Level of evidence: IV

What are the risk factors for post-operative infection after hip hemiarthroplasty? Systematic review of literature

Bone and surgical site infections after osteosynthesis are notoriously difficult to manage and pose a tremendous burden in fracture management. In this article, we use the term osteosynthesis-assoc...

/pdf/infection-after-fracture-osteosynthesis-part-i-pathogenesis-4y74npz8lp.pdf

Infection after fracture osteosynthesis – Part I: Pathogenesis, diagnosis and classification

Geriatric hip fracture is a common type of osteoporotic fracture with high mortality and disability; surgical site infection (SSI) can be a devastating complication of this injury. By far, only a few studies identified easily remediable factors to reduce infection rates following hip fracture and less researches have focused on geriatric patients. The objective of this study was to identify potentially modifiable factors associated with SSI following geriatric hip fracture surgery. This retrospective, multicenter study involves three level I hospitals. A total of 1240 patients (60 years or older) underwent hip surgery with complete data were recruited between January 2016 and June 2018. Demographics information, medications and additional comorbidities, operation-related variables, and laboratory indexes were extracted and analyzed. Receiver operating characteristic (ROC) analysis was performed to detect the optimum cut-off value for quantitative data. Univariate and multivariate logistic analysis model were performed respectively to identify the independent predictors. Ninety-four (7.58%) patients developed SSI in this study, and 76 (6.13%) had superficial infection, while 18 (1.45%) were diagnosed with deep infection. Results of univariate and multivariate analysis showed age > 79 years (OR, 2.60; p   26.6 kg/m2 (OR, 2.97; p   107 min (OR, 2.18; p = 0.001), and ALB  107 min, serum albumin  26.6 kg/m2, and age > 79 years could be applied to distinguish geriatric patients with high-risk of postoperative surgical site infection.

/pdf/factors-affecting-the-incidence-of-surgical-site-infection-1k9c7nfcxm.pdf

Factors affecting the incidence of surgical site infection after geriatric hip fracture surgery: a retrospective multicenter study

Background and purpose — Surgical site infection (SSI) is a devastating complication of hip fracture surgery. We studied the contribution of early deep SSI to mortality after hip fracture surgery a...

https://www.tandfonline.com/doi/pdf/10.1080/17453674.2020.1717841

Surgical site infection after hip fracture – mortality and risk factors: an observational cohort study of 1,709 patients

Prospective data on 6905 consecutive hip fracture patients at a district general hospital were analysed to identify the risk factors for the development of deep infection post-operatively. The main outcome measure was infection beneath the fascia lata.

A total of 50 patients (0.7%) had deep infection. Operations by consultants or a specialist hip fracture surgeon had half the rate of deep infection compared with junior grades (p = 0.01). Increased duration of anaesthesia was significantly associated with deep infection (p = 0.01). The method of fracture fixation was also significant. Intracapsular fractures treated with a hemiarthroplasty had seven times the rate of deep infection compared with those treated by internal fixation (p = 0.001). Extracapsular fractures treated with an extramedullary device had a deep infection rate of 0.78% compared with 0% for those treated with intramedullary devices (p = 0.02).

The management of hip fracture patients by a specialist hip fracture surgeon using appropriate fixation could significantly reduce the rate of deep infection and associated morbidity, along with extended hospitalisation and associated costs.

Factors affecting the incidence of deep wound infection after hip fracture surgery

The purpose of the study was to identify factors that affect the incidence of deep wound infection after hip fracture surgery. Data from a hip fracture database of 7057 consecutively treated patients at a single centre was used to determine the relationship between deep wound sepsis and a number of factors. Fisher9s exact test and the unpaired T test were used. All patients were initially followed up in a specialist clinic. In addition a phone call assessment was made at one year from injury to check that no later wound healing complications had occurred. There were 50 cases of deep infection (rate of 0.7%). There was no significant difference in the rate of deep sepsis with regards to the age, sex, pre-operative residential status, mobility or mental test score of the patient. Specialist hip surgeons and Consultants have a lower infection rate compared with surgeons below Consultant grade, p=0.01. The mean length of anaesthesia was longer in the sepsis group (76minutes) compared to the no sepsis group (65minutes), this was significant, p=0.01. The patient9s ASA grade and fracture type were not significant factors. The rate of infection in intracapsular fractures treated by hemiarthroplasty was significantly greater than those that had internal fixation, p=0.001. The rate of infection in extracapsular fractures fixed with an extra-medullary device was significantly greater than those fixed with an intra-medullary device, p=0.021. The presence of an infected ulcer on the same leg as the fracture was not associated with a higher rate of deep infection. In conclusion we have found that the experience (seniority) of the surgeon, the length of anaesthesia and the type of fixation used are all significant factors in the development of deep sepsis. These are all potentially modifiable risk factors and should be considered in the treatment of hip fracture patients.

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Factors affecting the incidence of deep wound infection after hip fracture surgery

Factors affecting the incidence of deep wound infection after hip fracture surgery