Evidence map›Paper›PMID 28057632›Full record

ArticleBone & joint research2017

Are two retrograde 3.5 mm screws superior to one 7.3 mm screw for anterior pelvic ring fixation in bones with low bone mineral density?

Y P Acklin, I Zderic, S Grechenig, R G Richards, P Schmitz, B Gueorguiev

Open access · goldAbstract read
In one paragraph

Article in Bone & joint research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
2.0field-weighted citation impact, top 15% of its field
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

10 citing papers in PubMed, 20 citations in OpenAlex.

  1. Trans-symphyseal fixation for complex anterior pelvic fractures: a novel technique guide and case series.OTA international : the open access journal of orthopaedic trauma · 2026
    Article
  2. Crossing the symphysis: a novel percutaneous technique for fixation of the anterior pelvic ring.OTA international : the open access journal of orthopaedic trauma · 2026
    Article
  3. Article
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  5. Article
  6. Article
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  8. Article
  9. Pelvic ring fractures in the elderly.EFORT open reviews · 2019
    Review
  10. Article
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

6 authors at 2 institutions in 2 countries.

Y P AcklinAO Research Institute Davos, Clavadelerstr. 8, CH-7270 Davos, Switzerland yvespascal.acklin@gmail.com.
I ZdericAO Research Institute Davos, Clavadelerstr. 8, CH-7270 Davos, Switzerland.
S GrechenigKlinik und Poliklinik für Unfallchirurgie, Franz-Josef-Strauss-Allee 11, D-93053 Regensburg, Germany.
R G RichardsAO Research Institute Davos, Clavadelerstr. 8, CH-7270 Davos, Switzerland.
P SchmitzKlinik und Poliklinik für Unfallchirurgie, Franz-Josef-Strauss-Allee 11, D-93053 Regensburg, Germany.
B GueorguievAO Research Institute Davos, Clavadelerstr. 8, CH-7270 Davos, Switzerland.
AO Foundation · CHUniversity Hospital Regensburg · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesOsteosynthesis of anterior pubic ramus fractures using one large-diameter screw can be challenging in terms of both surgical procedure and fixation stability. Small-fragment screws have the advantage of following the pelvic cortex and being more flexible.The aim of the present study was to biomechanically compare retrograde intramedullary fixation of the superior pubic ramus using either one large- or two small-diameter screws. MATERIALS AND

methodsA total of 12 human cadaveric hemipelvises were analysed in a matched pair study design. Bone mineral density of the specimens was 68 mgHA/cm

conclusionFrom a biomechanical point of view, pubic ramus stabilisation with either one large or two small fragment screw osteosynthesis is comparable in osteoporotic bone. However, the two-screw fixation technique is less demanding as the smaller screws deflect at the cortical margins.Cite this article: Y. P. Acklin, I. Zderic, S. Grechenig, R. G. Richards, P. Schmitz, B. Gueorguiev. Are two retrograde 3.5 mm screws superior to one 7.3 mm screw for anterior pelvic ring fixation in bones with low bone mineral density? Bone Joint Res 2017;6:8-13. DOI: 10.1302/2046-3758.61.BJR-2016-0261.

Indexed as

Pelvic fractureRetrograde intramedullary screw fixationSuperior pubic ramus fixation

Identifiers

PMID28057632
PMCPMC5227056
OpenAlexW2567853673

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.