Is a portable accelerometer-based navigation system useful in total hip arthroplasty?: A systematic review and meta-analysis - 30/01/21
, Yoshihiko Baba b, Yasuaki Murata a, Yohei Yamamoto a, Yuki Shiratani a, Hiroyuki Hamano a, Yuichi Wada a
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Abstract |
Background |
Precise implant alignment is a crucial prognostic factor for successful outcomes following total hip arthroplasty (THA). A portable accelerometer-based navigation (PN) device may achieve the same accuracy as that achieved by the computer-assisted navigation surgery technique, with the convenience of a conventional technique. Although the usefulness of PN in THA (PN-THA) has been reported, whether it is more accurate than performing THA with a conventional technique (CON-THA) remains controversial. The difference in surgical time between PN-THA and CON-THA is also unclear. Therefore, we conducted a systematic review and meta-analysis of studies comparing results of PN-THA with those of CON-THA. We focused on the following question: is PN-THA superior to CON-THA in terms of radiological parameters and surgical time?
Patients and Methods |
A literature search was conducted in PubMed, Web of Science, and Cochrane Library, to identify studies that met the following inclusion criteria: randomised controlled trials (RCT) or non-RCT, studies involving patients who underwent PN-THA and patients who underwent CON-THA, studies including data on radiological parameters and surgical outcomes. Author names, publication year, country, study design, surgical approach, demographic characteristics of the participants (diagnosis, gender, age, and body mass index), and surgical outcomes (the radiological parameters and the surgical time) were extracted. We calculated the mean differences (MDs) for continuous data with 95% confidence intervals (CIs) for each outcome. p<0.05 was considered significant.
Results |
Three studies were included in this meta-analysis. The meta-analysis showed that absolute deviation of the postoperative measured angles from the target position for the cup anteversion was significantly smaller in PN-THA than in CON-THA (MD=−1.70, 95% CI=−2.91 to −0.50, [p=0.005]). There was no significant difference in the absolute deviation of the postoperative measured angles from the target position for cup abduction between the groups (MD=−1.82, 95% CI=−4.32–0.67, [p=0.15]). The surgical time was significantly longer in PN-THA than in CON-THA (MD=8.58, 95% CI=4.05–13.10, [p=0.0002]).
Discussion |
This systematic review and meta-analysis of studies comparing the results of PN-THA with those of CON-THA showed that the PN-THA is advantageous for precise cup implantation compared to CON-THA, although PN-THA has a longer surgical time compared to CON-THA.
Level of evidence |
III.
El texto completo de este artículo está disponible en PDF.Keywords : Total hip arthroplasty, Portable, Hand-held, Navigation, Systematic review, Meta-analysis
Abbreviations : PN, CON, MD, RCT, CAS
Esquema
Vol 107 - N° 1
Artículo 102742- février 2021 Regresar al número
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