Evidence map›Paper›PMID 35290484›Full record

SynthesisKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2022

Consistent indications, targets and techniques for double-level osteotomy of the knee: a systematic review.

Philippe Alves, Floris van Rooij, Thomas Kuratle, Mo Saffarini, Hermes Miozzari

Abstract readSystematic Review
PubMed Publisher
In one paragraph

Synthesis in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Mid-term survival and physiological joint angles after double level osteotomy of severe varus osteoarthritis.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Joint line and knee osteotomy.EFORT open reviews · 2024
    Review
  16. Osteotomies around the knee are not just space oddities.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023
    Article
  17. Article
  18. Article
  19. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Philippe AlvesDivision of Orthopaedics and Trauma Surgery, La Tour Hospital, Meyrin, Switzerland.
Floris van RooijReSurg SA, Rue Saint Jean 22, 1260, Nyon, Switzerland. Journals@resurg.com.ORCID http://orcid.org/0000-0002-3513-0599
Thomas KuratleReSurg SA, Rue Saint Jean 22, 1260, Nyon, Switzerland.
Mo SaffariniReSurg SA, Rue Saint Jean 22, 1260, Nyon, Switzerland.
Hermes MiozzariDivision of Orthopaedics and Trauma Surgery, Geneva University Hospitals and University of Geneva, Faculty of Medicine, Geneva, Switzerland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo systematically review and critically appraise the literature on double-level osteotomy (DLO) of the knee, and determine the indications, contraindications, targets and outcomes. MATERIALS AND

methodsA systematic literature search was performed on PubMed, Embase®, and Cochrane for studies that reported on DLO by any technique or approach, including indications, contraindications, and targets for DLO, as well as patient-reported outcome measures (pROMS) and radiographic angles.

resultsTwelve eligible studies were found: 9 case series and 3 studies that compared DLO to high-tibial osteotomy (HTO). In all studies, DLO was performed by medial opening-wedge tibial osteotomy and lateral closing-wedge femoral osteotomy. Seven specified that DLO was performed if simple HTO would exceed thresholds of postoperative medial proximal tibial angle (MPTA), lateral distal femoral angle (LDFA), and/or predicted wedge size. The targets were 88°-95° for MPTA, 84°-89° for LDFA, and 0°-4° for hip-knee-ankle (HKA) angle. The 3 comparative studies reported lower MPTA after DLO (89.6°-92.5°) than after HTO (91.5°-98.3°). All 3 reported similar postoperative HKA after DLO (0.2°-4.4°) as HTO (0.4°-4.8°); only 2 compared postoperative LDFA, which was lower after DLO (85.4° and 84.9°) than HTO (88.7° and 88.8°). Two comparative studies reported postoperative overall KOOS which was slightly lower after DLO (351-403) than HTO (368-410); only 1 study reported separate items of the KOOS.

conclusionThere was relative consistency between studies on the indications, targets and techniques for DLO. Furthermore, while the comparative studies reported similar preoperative MPTA, LDFA and HKA, the postoperative MPTA and LDFA were lower after DLO than after HTO, though both treatments achieved equivalent postoperative HKA. LEVEL OF EVIDENCE: IV, systematic review.

Indexed as

Osteoarthritis, KneeHumansKnee JointOsteotomyRetrospective StudiesTibiaDFODistal femoral osteotomyDLODouble-level osteotomyHigh-tibial osteotomyHTOLateral closing wedgeMedial opening wedge

Identifiers

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.