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. 2018 Nov 6;13(11):e0207044.
doi: 10.1371/journal.pone.0207044. eCollection 2018.

Open reduction and internal fixation of displaced proximal humeral fractures. Does the surgeon's experience have an impact on outcomes?

Tobias Helfen  1 , Georg Siebenbürger  1 , Evi Fleischhacker  1 , Niklas Biermann  1 , Wolfgang Böcker  1 , Ben Ockert  1
Affiliations

Open reduction and internal fixation of displaced proximal humeral fractures. Does the surgeon's experience have an impact on outcomes?

Tobias Helfen et al. PLoS One. .

Abstract

Introduction: To evaluate outcomes following open reduction and internal fixation of displaced proximal humeral fractures with regards to the surgeon's experience.

Material and methods: Patients were included undergoing ORIF by use of locking plates for displaced two-part surgical neck type proximal humeral fractures. Reduction and functional outcomes were compared between procedures that were conducted by trauma surgeons [TS], senior (>2 years after board certified) trauma surgeons [STS] and trauma surgeons performing ≥50 shoulder surgeries per year [SS]. Quality of reduction was measured on postoperative x-rays. Functional outcomes were assessed by gender- and age-related Constant Score (nCS). Secondary outcome measures were complication and revision rates.

Results: Between 2002-2014 (12.5 years) n = 278 two-part surgical neck type humeral fractures (AO 11-A2, 11-A3) were included. Open reduction and internal fixation was performed with the following educational levels: [TS](n = 68, 25.7%), [STS](n = 110, 41.5%) and [SS](n = 77, 29.1%). Functional outcome (nCS) increased with each higher level of experience and was significantly superior in [SS] (93.3) vs. [TS] (79.6; p = 0.01) vs. [STS] (83.0; p = 0.05). [SS] (7.8%) had significantly less complications compared with [TS] (11.3%; p = 0.003) and [STS](11.7%; p = 0.01) moreover significantly less revision rates (3.9%) vs. [TS](8.2%) and [STS](7.4%) (p<0.001). Primary revision was necessary in 13 cases (4.7%) due to malreduction of the fracture.

Conclusion: Quality of reduction and functional outcomes following open reduction and internal fixation of displaced two-part surgical neck fractures are related to the surgeon's experience. In addition, complications and revision rates are less frequent if surgery is conducted by a trauma surgeon performing ≥50 shoulder surgeries per year.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. AO 11-A3 fractures before and after ORIF by locking plate.
(A)+(B): fracture of a 69 years old female with postoperative anatomical fracture reduction = Inclusion criteria. (C)+(D): fracture of a 72 years old female with postoperative varus malreduction of the humeral head = Exclusion criteria.
Fig 2
Fig 2. Distribution of primary malreduction and study exclusion rate.
Fig 3
Fig 3. Distribution of the functional outcome (nCS).
See this image and copyright information in PMC

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