Study | Patient number | Stump location | Fixation tech | Manufacturer | Stump length (cm) | Stem length (cm) | Mean follow-up (months) | MSTS-93 score | Complications |
---|---|---|---|---|---|---|---|---|---|
Guder 2017 [31] | 4 | 4 Tibiae | Rough, hollow stem; uncemented | Implantcast, Buxtehude, Germany | 3.1 (2.5–3.5) | - | 56 (30–102) | 28 (27–29) | 2 Wound healing, 1 local recurrence, 2 periprosthetic fracture |
Burger 2016 [7] | 5 | 5 Femora | Spreading stem; uncemented | ArgoMedical, Zug, Switzerland | > 12 | 12 | 21.5 (3.5–46) | 19 (7–26) | 1 Metastasis |
Bernthal 2019 [30] | 56 | 12 Femora, 1 tibia, 43 others | Cross-pin; cemented | Stryker, Mahwah, New Jersey) | - | - | Median 132 (IQR, 44–189) | - | 1 Infection, 2 aseptic loosening, 1 structural failure |
Benevenia 2016 [29] | 41 | 21 Femora, 5 tibiae, 16 humeri | Clamped intramedullary-nail, cemented /uncemented | OsteoBridge IDSF; Merete, Berlin, Germany | - | 1–20 | 14 (1–51) | Femur 25 (10–29), tibia 23 (13–30) | 5 Aseptic loosening (uncemented), 6 structural failure (cemented) |
Aldyami 2005 [25] | 35 | 29 Femora, 3 tibiae, 3 humeri | Cemented /uncemented | - | - | - | 107 (24–306) | - | 14 Metastasis, 5 local recurrences, 1 periprosthetic fracture, 2 prosthetic fracture, 7 aseptic loosening |
Hanna 2010 [36] | 23 | 23 Femora | Fluted stem and extracortical plates, cemented, and HA collar | Stanmore Implants Worldwide Ltd, Middlesex, UK | - | - | 97 (3–240) | 26 (20–28) | 1 Infection, 2 prosthetic fracture, 1 periprosthetic fracture, 1 aseptic loosening |
Sewell 2011 [38] | 18 | 18 Tibiae | Fluted stem, cemented, and HA collar | Stanmore Implants Worldwide Ltd, Middlesex, UK | - | 2.8–7 | 58.5 (20–141) | 23 (17–28) | 4 Aseptic loosening (proximal), 1 infection, 2 periprosthetic fracture |
Stevenson 2017 [50] | 37 | 9 Femora, 28 others | Extracortical plates, cemented, and HA collar | Stanmore Implants Worldwide Ltd, Middlesex, UK | - | 7.9 (3.4–10) | 84 (12–204) | - | 2 Aseptic loosening, 1 structural failure, 1 infection |
Streitburger 2020 [32] | 28 | 17 Femora, 11 tibiae | Solid or hollow, hexagonal stem with protruding fins and interlocking screw | Implantcast, Buxtehude, Germany | 2.5–26 | - | 35 (4–139) | - | 14 Aseptic loosening (4 femora, 4 tibiae), 1 periprosthetic fracture, 3 infection, 4 local recurrence |
Tedesco 2017 [35] | 6 | 5 Femora, 1 tibia | Double compressive osseointegration | Biomet, Inc, Warsaw, Indiana | 3.7–8.2 | - | 39 (10–108) | 26 (11–30) | 2 Prosthetic fracture, 1 periprosthetic fracture |
Current study | 15 | 8 Femora, 7 tibiae | 3D-printed stem with a porous structure | Chunli Co., Ltd. Tongzhou, Beijing, China | Median 6.4 (44.1–97.1) | Median 5.1 (42.7–79.7) | Median 42 (34–54) | Median 26 (23–30) | 2 Periprosthetic fracture, 1 early aseptic loosening |