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The Bone & Joint Journal
Vol. 101-B, Issue 6 | Pages 646 - 651
1 Jun 2019
Surgical approach significantly affects the complication rates associated with total hip arthroplasty
Aggarwal VK Elbuluk A Dundon J Herrero C Hernandez C Vigdorchik JM Schwarzkopf R Iorio R Long WJ
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Aims

A variety of surgical approaches are used for total hip arthroplasty (THA), all with reported advantages and disadvantages. A number of common complications can occur following THA regardless of the approach used. The purpose of this study was to compare five commonly used surgical approaches with respect to the incidence of surgery-related complications.

Patients and Methods

The electronic medical records of all patients who underwent primary elective THA at a single large-volume arthroplasty centre, between 2011 and 2016, with at least two years of follow-up, were reviewed. After exclusion, 3574 consecutive patients were included in the study. There were 1571 men (44.0%) and 2003 women (56.0%). Their mean age and body mass index (BMI) was 63.0 years (sd 11.8) and 29.1 kg/m2 (sd 6.1), respectively. Data gathered included the age of the patient, BMI, the American Society of Anesthesiologists (ASA) score, estimated blood loss (EBL), length of stay (LOS), operating time, the presence of intra- or postoperative complications, type of complication, and the surgical approach. The approaches used during the study were posterior, anterior, direct lateral, anterolateral, and the northern approach. The complications that were recorded included prolonged wound drainage without infection, superficial infection, deep infection, dislocation, aseptic loosening, and periprosthetic fracture. Finally, the need for re-operation was recorded. Means were compared using analysis of variance (ANOVA) and Student’s t-tests where appropriate and proportions were compared using the chi-squared test.

The Bone & Joint Journal
Vol. 101-B, Issue 6_Supple_B | Pages 2 - 8
1 Jun 2019
2019 Frank Stinchfield Award: A comparison of prosthetic joint infection rates between direct anterior and non-anterior approach total hip arthroplasty
Aggarwal VK Weintraub S Klock J Stachel A Phillips M Schwarzkopf R Iorio R Bosco J Zuckerman JD Vigdorchik JM Long WJ
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Aims

We studied the impact of direct anterior (DA) versus non-anterior (NA) surgical approaches on prosthetic joint infection (PJI), and examined the impact of new perioperative protocols on PJI rates following all surgical approaches at a single institution.

Patients and Methods

A total of 6086 consecutive patients undergoing primary total hip arthroplasty (THA) at a single institution between 2013 and 2016 were retrospectively evaluated. Data obtained from electronic patient medical records included age, sex, body mass index (BMI), medical comorbidities, surgical approach, and presence of deep PJI. There were 3053 male patients (50.1%) and 3033 female patients (49.9%). The mean age and BMI of the entire cohort was 62.7 years (18 to 102, sd 12.3) and 28.8 kg/m2 (13.3 to 57.6, sd 6.1), respectively. Infection rates were calculated yearly for the DA and NA approach groups. Covariates were assessed and used in multivariate analysis to calculate adjusted odds ratios (ORs) for risk of development of PJI with DA compared with NA approaches. In order to determine the effect of adopting a set of infection prevention protocols on PJI, we calculated ORs for PJI comparing patients undergoing THA for two distinct time periods: 2013 to 2014 and 2015 to 2016. These periods corresponded to before and after we implemented a set of perioperative infection protocols.

Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XL | Pages 196 - 196
1 Sep 2012
A Prospective Comparison of Minimally Invasive Direct Anterior Versus Posterior Total Hip Based Upon Inflammation and Muscle Damage Markers
Unger AS
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Background

The anterior approach for total hip arthroplasty has recently been hypothesized to result in less muscle damage. While clinical outcome studies are essential, they are subject to patient and surgeon bias. We prospectively analyzed biochemical markers of muscle damage and inflammation in patients receiving anterior and posterior minimally-invasive total hip arthroplasty to provide objective evidence of the surgical insult.

Methods

29 patients receiving an anterior and 28 patients receiving a posterior total hip arthroplasty were analyzed. Peri-operative and radiographic data were collected to ensure similar cohorts. Creatine kinase, C-reactive protein, Interleukin-6, Interleukin-1beta, and Tumor necrosis factor-alpha were collected pre-operatively, post-operatively, and on post-operative days 1 and 2. Comparisons between the groups were made using the Student's t-test and Fisher's Exact test. Independent predictors of elevation in markers of inflammation and muscle damage were determined using multivariate logistic regression analysis.

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