Minimal invasive subvastal approach versus standard medial parapatellar approach in total knee replacement | ||
| The Egyptian Orthopaedic Journal | ||
| Volume 49, Issue 3, July 2014, Pages 197-201 PDF (301.46 K) | ||
| DOI: 10.4103/1110-1148.148186 | ||
| Authors | ||
| Mohamed Nabil Hassona; Ayman Tawfik Henawy | ||
| Abstract | ||
| Background Although the long-term results of knee arthroplasty have proven to be excellent, the rehabilitation period often is long and painful. To improve the patient's well-being during the immediate postoperative period, other less traumatic exposures have been introduced, including the mini-subvastus approach. The purpose of this study was to evaluate the shortterm functional results of minimal invasive subvastal-total knee arthroplasty (MIS-TKA) (minisubvastus approach) compared with a traditional total knee arthroplasty (TKA) using a medial parapatellar exposure. Patients and methods The study population was divided into two groups of patients who underwent surgery with the same surgeons during 2010–2011: 16 MIS-TKA and 18 medial parapatellar total knee arthroplasty, following the same arthroplasty model (Nexgen) and similar preoperative and postoperative procedures. Results In the immediate postoperative results, the subvastus group showed significant decrease in blood loss, significant decrease in hospital stay, significantly shorter length of incision, and significant increase in duration of surgery. After 1-year follow-up, Knee Society Scores were 173.2 ± 7.0 for the minimal invasive subvastal group and 173.4 ± 5.9 for the standard technique group. This difference was not statistically significant. Conclusion Our study allows us to assert that the minimal invasive subvastal technique does offer some advantages for the immediate postoperative period, including a lesser blood loss and a shorter hospital stay. However, results at 1 year after surgery are similar, both in functional assessment and in the quality of life for the patient. | ||
| Keywords | ||
| medial parapatellar approach; subvastal approach; Total knee replacement | ||
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