This preprint is under consideration at European Journal of Medical Research. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
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Background: Femoral neck shortening can occur in young patients receiving internal fixation for Pauwels type II femoral neck fracture. The risk factors for neck shortening, which can affect hip function, are not clear. This study aimed to retrospectively identify risk factors for neck shortening after internal fixation with parallel partially threaded cannulated cancellous screws (FPTCS) for Pauwels type II femoral neck fracture in relatively young patients. Methods: Clinical data from 122 cases with Pauwels type II femoral neck fracture from February 2014 to February 2019 were reviewed and analyzed, and causes of neck shortening were statistically analyzed. And the chi-squared test or Fisher’s exact test was used to compare indicators. Multivariate analysis was conducted with non-conditional logistic regression analysis.
Results: Statistically significant differences were found in age, sex, BMD, BMI, fracture type, posterior medial cortex comminution, and reduction quality between patients with femoral neck shortening and those without femoral neck shortening. Logistic regression analysis showed that fracture type, posterior medial cortex comminution, and reduction quality were the main risk factors for neck shortening.
Conclusion：Fracture type, posterior medial cortex comminution, and reduction quality can be used as important reference indexes to predict the possibility of neck shortening after internal fixation with FPTCS for Pauwels type II femoral neck fracture in young patients.BMD and BMI may be also risk factors.
Keywords
Young patients, Femoral neck fracture, Internal fixation, Neck shortening, Risk factors
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Peer Review Timeline
CURRENT STATUS: Under Review
Version 2
Posted 05 Jan, 2021
No community comments so far
Review #1 received
Received 26 Feb, 2021
Reviewer #1 agreed
On 03 Jan, 2021
Reviewers invited
Invitations sent on 27 Dec, 2020
Editor assigned
On 20 Dec, 2020
Submission checks complete
On 20 Dec, 2020
Editor invited
On 20 Dec, 2020
First submitted
On 19 Dec, 2020
No comments provided
Editorial decision: Major revision
On 24 Nov, 2020
Review #1 received
Received 03 Sep, 2020
Reviewer #1 agreed
On 13 Aug, 2020
Reviewers invited
Invitations sent on 30 Jul, 2020
Editor assigned
On 21 May, 2020
Editor invited
On 20 May, 2020
Submission checks complete
On 16 May, 2020
First submitted
On 14 May, 2020
Metrics
Comments: 0
PDF Downloads: ...
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This preprint is under consideration at European Journal of Medical Research. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 2
Posted 05 Jan, 2021
No community comments so far
Review #1 received
Received 26 Feb, 2021
Reviewer #1 agreed
On 03 Jan, 2021
Reviewers invited
Invitations sent on 27 Dec, 2020
Editor assigned
On 20 Dec, 2020
Submission checks complete
On 20 Dec, 2020
Editor invited
On 20 Dec, 2020
First submitted
On 19 Dec, 2020
No comments provided
Editorial decision: Major revision
On 24 Nov, 2020
Review #1 received
Received 03 Sep, 2020
Reviewer #1 agreed
On 13 Aug, 2020
Reviewers invited
Invitations sent on 30 Jul, 2020
Editor assigned
On 21 May, 2020
Editor invited
On 20 May, 2020
Submission checks complete
On 16 May, 2020
First submitted
On 14 May, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Background: Femoral neck shortening can occur in young patients receiving internal fixation for Pauwels type II femoral neck fracture. The risk factors for neck shortening, which can affect hip function, are not clear. This study aimed to retrospectively identify risk factors for neck shortening after internal fixation with parallel partially threaded cannulated cancellous screws (FPTCS) for Pauwels type II femoral neck fracture in relatively young patients. Methods: Clinical data from 122 cases with Pauwels type II femoral neck fracture from February 2014 to February 2019 were reviewed and analyzed, and causes of neck shortening were statistically analyzed. And the chi-squared test or Fisher’s exact test was used to compare indicators. Multivariate analysis was conducted with non-conditional logistic regression analysis.
Results: Statistically significant differences were found in age, sex, BMD, BMI, fracture type, posterior medial cortex comminution, and reduction quality between patients with femoral neck shortening and those without femoral neck shortening. Logistic regression analysis showed that fracture type, posterior medial cortex comminution, and reduction quality were the main risk factors for neck shortening.
Conclusion：Fracture type, posterior medial cortex comminution, and reduction quality can be used as important reference indexes to predict the possibility of neck shortening after internal fixation with FPTCS for Pauwels type II femoral neck fracture in young patients.BMD and BMI may be also risk factors.
Figure 1
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