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Is a portable accelerometer-based navigation system useful in total hip arthroplasty?: A systematic review and
Tomonori Shigemura1, Yoshihiko Baba2, Yasuaki Murata1
1Department of Orthopaedic Surgery, Teikyo University Chiba Medical Center, 3426-3 Anesaki, Ichihara, Chiba, 299-0111, Japan.
Orthopaedics & Traumatology, Surgery & Research : OTSR
|December 28, 2020
Summary
Portable navigation (PN) in total hip arthroplasty (THA) improves cup anteversion accuracy compared to conventional techniques. However, PN-THA requires a longer surgical time, highlighting a trade-off between precision and efficiency.
Area of Science:
- Orthopedic Surgery
- Medical Navigation Technology
- Biomechanical Engineering
Background:
- Accurate implant alignment is critical for successful total hip arthroplasty (THA) outcomes.
- Portable navigation (PN) offers potential accuracy comparable to computer-assisted surgery with conventional technique convenience.
- Controversy exists regarding PN-THA's superiority over conventional THA (CON-THA) in accuracy and surgical time.
Purpose of the Study:
- To systematically review and meta-analyze studies comparing PN-THA with CON-THA.
- To evaluate if PN-THA is superior to CON-THA regarding radiological parameters and surgical time.
Main Methods:
- Systematic literature search of PubMed, Web of Science, and Cochrane Library.
- Inclusion of randomized controlled trials (RCTs) and non-RCTs comparing PN-THA and CON-THA.
- Extraction of demographic and surgical outcome data, with meta-analysis of mean differences and 95% confidence intervals.
Main Results:
- PN-THA demonstrated significantly smaller absolute deviation in postoperative cup anteversion compared to CON-THA (MD=-1.70, p=0.005).
- No significant difference was found in cup abduction angle deviation between PN-THA and CON-THA (p=0.15).
- PN-THA was associated with a significantly longer surgical time than CON-THA (MD=8.58, p=0.0002).
Conclusions:
- PN-THA offers enhanced precision for cup implantation compared to CON-THA.
- The improved accuracy of PN-THA comes at the cost of increased surgical time.
