The clinical outcome of the Metha short hip stem: a systematic scoping review

Malahias, Michael‐Alexander; Tejaswi, Purnachandra; Chytas, Dimitrios; Kadu, Vikram V; Karanikas, Dimitrios; Thorey, Fritz

doi:10.1177/1120700020903719

Cited by 14 publications

(8 citation statements)

References 29 publications

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“…Differences in favor of the MAA also included shorter operative times, less blood loss, lower Hb drop, fewer blood transfusions, and LFCN neuropraxia. Implant alignment is essential for successful longtime outcomes [ 23 ]. Luger et al [ 24 ] evaluated differences in planning adherence between the MAA and the DAA in cementless short stem THA, showing no statistically significant difference in offset reconstruction, leg length, or implant positioning between groups.…”

Section: Discussionmentioning

confidence: 99%

Minimally invasive anterolateral approach versus direct anterior approach total hip arthroplasty in the supine position: a prospective study based on early postoperative outcomes

Liu

Liang

et al. 2022

J Orthop Surg Res

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Background Minimally anterolateral approach (MAA) and direct anterior approach (DAA) have been reported as beneficial for total hip arthroplasty (THA) due to their ability to reduce postoperative pain and lead to quicker rehabilitation by preserving muscle insertions. As there is an ongoing debate on the effect of these two approaches on early postoperative outcomes, this prospective study aimed to assess the difference in early clinical, radiological, and patient-reported outcomes between the two minimally invasive approaches. Methods A total of 98 patients, 50 in the MAA group and 48 in the DAA group, were included in the study. Patients with complete data were evaluated preoperatively and postoperatively at 2, 6, and 12 weeks. Clinical measurements, including the ability to climb stairs and walk, 6-min walk test (6MWT), the Forgotten Joint Scale (FJS-12), Japanese Orthopedic Association (JOA) Hip scores, radiological evaluation, and complications were analyzed. Results There were no significant differences in clinical outcomes and implant alignments between MAA and DAA groups. In regards to patient-reported outcomes, the FJS-12 was significantly higher in the MAA group compared to group DAA at 2 and 6 weeks postoperatively. However, there was no significant difference in the FJS-12 between the two groups 12 weeks after surgery. The differences also included shorter operative times (62.4 ± 9.05 min vs. 71 ± 8.01 min), less blood loss (132.6 ± 43.31 ml vs. 159.23 ± 37.25 ml), lower Hb drop (29.56 ± 8.02 g/L vs. 36.4 ± 7.12 g/L), and fewer blood transfusions in the MAA group (4.0% vs. 18.8%). The incidence of the lateral femoral cutaneous nerve (LFCN) neuropraxia after surgery was 7 (14.6%) in the DAA group and 0 in the MAA group. One fracture was found in each group and managed conservatively. Conclusion MAA and DAA approach yielded excellent and similar early clinical outcomes. However, better patient-reported outcomes could be achieved by MAA THA. The MAA resulted in a safer approach associated with shorter operative times, less blood loss, lower Hb drop, fewer blood transfusions, and LFCN neuropraxia than DAA. A longer follow-up is needed to further examine differences between these procedures.

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Section: Discussionmentioning

confidence: 99%

Minimally invasive anterolateral approach versus direct anterior approach total hip arthroplasty in the supine position: a prospective study based on early postoperative outcomes

Liu

Liang

et al. 2022

J Orthop Surg Res

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“…The study group comprised a total of 5048 patients, aged between 44.4 and 60.4 years. During a follow-up period of 2 to 9 years, the rate of implant-related revision was determined to be 2.5% and the rate of major complications, however not demanding revision surgery, was 2.8% 19 .…”

Section: Discussionmentioning

confidence: 99%

Future of total hip arthroplasty with the Metha short stem in modern surgeries

Drobniewski

Synder

Krasińska

et al. 2021

Sci Rep

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The aim of the study was to analyse the results of uncemented total hip replacement, using the Metha (metaphyseal) stem. A total of 158 patients (70 females and 88 males) were qualified to the study and submitted to total hip arthroplasty (183 procedures altogether), using the Metha stem. The mean age of the patients on the day of surgery was 51.7 years (the range from 17 to 69 years). The mean follow up period was 9.2 years (the range from 5 to 13.5 years). Preoperative assessments gave poor scores, according to the Merle d’Aubigne and Postel classification, modified by Charnley. The average improvement after surgery, according to the used scale, was 6.9 points. A very good outcome was recorded in 154 cases (84.2%), a good outcome was achieved in 20 cases (10.9%) and a poor outcome was confirmed in 9 cases, while no satisfactory case was observed. Poor outcomes were associated with implant loosening. Extraskeletal ossification was noted in 10 cases (5.5%). According to the Kaplan–Meier estimator, the 10-year survival was 93.2% and 97.3% for the whole implant and the stem alone, respectively. 1. Our follow-up period of more than 9 years on the average, indicates that Metha stems produce excellent clinical and functional results in operated young patients with advanced degenerative changes of the hip joint. 2. Assuming a proper qualification for the procedure, the absence of complications and a correct surgical technique, which is slightly more difficult, when compared to standard stem implantation, the risk of aseptic loosening is fairly negligible.

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“…The revision rate of the Metha ® stem for component-related reasons was 2.5%, while the rate of major complications not requiring revision of the Metha ® stem was 2.8%. 48 …”

Section: Discussionmentioning

confidence: 99%

Short Stem for Total Hip Arthroplasty (THA) – Overview, Patient Selection and Perspectives by Using the Metha® Hip Stem System

Ishaque¹

2022

ORR

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The clinical outcome of the Metha short hip stem: a systematic scoping review

Cited by 14 publications

References 29 publications

Minimally invasive anterolateral approach versus direct anterior approach total hip arthroplasty in the supine position: a prospective study based on early postoperative outcomes

Minimally invasive anterolateral approach versus direct anterior approach total hip arthroplasty in the supine position: a prospective study based on early postoperative outcomes

Future of total hip arthroplasty with the Metha short stem in modern surgeries

Short Stem for Total Hip Arthroplasty (THA) – Overview, Patient Selection and Perspectives by Using the Metha® Hip Stem System

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