Evidence map›Paper›PMID 32600432›Full record

ArticleJournal of orthopaedic surgery and research2020

Osteonecrosis of femoral head in young patients with femoral neck fracture: a retrospective study of 250 patients followed for average of 7.5 years.

Fang Pei, Rui Zhao, Fenglei Li, Xiangyang Chen, KaiJin Guo, Liang Zhu

Open access · goldAbstract read
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Article in Journal of orthopaedic surgery and research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 4 pooled it
3.5field-weighted citation impact, top 7% 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.

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3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 4 syntheses or guidelines pooled it, 44 citations in OpenAlex.

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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 3 institutions in 1 country.

Fang PeiDepartment of Orthopedics, Nanjing Medical University, Nanjing, Jiangsu, P.R. China.
Rui ZhaoDepartment of Radiology, Xuzhou Municipal Hospital Affiliated of Xuzhou Medical University, Xuzhou, Jiangsu, China.
Fenglei LiDepartment of Orthopedics, Xuzhou Central Hospital, Xuzhou, Jiangsu, China.
Xiangyang ChenDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China.
KaiJin GuoDepartment of Orthopedics, Nanjing Medical University, Nanjing, Jiangsu, P.R. China. xzkaijinguo@163.com.
Liang ZhuDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China. zhuliang1986@hotmail.com.
Xuzhou Medical College · CNNanjing Medical University · CNXuzhou Central Hospital · CN

Funding

Postdoctoral Science Foundation of Jiangsu Province 2018M632379
6 · The paper itself

Abstract

objectiveTo investigate the risk factors for osteonecrosis of the femoral head (ONFH) after the treatment of femoral neck fracture in patients under 60 years old.

methodsA total of 250 cases of femoral neck fracture treated at 3 hospitals in Xuzhou from January 2002 to January 2016 were studied. The patients were followed up for 1~15 years, and the clinical data on femoral head necrosis after the femoral neck operation were analysed retrospectively. Risk factors were recorded, including age, gender, preoperative traction, time from injury to operation, reduction method, type of reduction, BMI, ASA classification, and quality of reduction. Logistic regression analysis was used to evaluate the independent risk factors for ONFH after treatment of femoral neck fracture.

resultsThe duration of follow-up was 1~15 years, with an average of 7.5 years. None of the 250 patients had fracture non-union, but 40 (16%) had necrosis of the femoral head. The time to necrosis of the femoral head was 1~7 years after the operation, with an average of 3.8 years. Univariate analysis showed that the type of fracture, the quality of reduction, the removal of internal fixation, BMI and ASA classification were risk factors affecting necrosis of the femoral head in patients with femoral neck fracture, and the difference was statistically significant (P < 0.05). Multivariate analysis showed that internal fixation, fracture type (displacement), reduction quality (dissatisfaction), BMI (> 25), and ASA grade (III + IV) were independent risk factors affecting femoral head necrosis in patients with femoral neck fracture.

conclusionA variety of high-risk factors for femoral head necrosis are present after surgery with hollow compression screws for femoral neck fracture in adults. Removal of internal fixation, type of fracture, quality of reduction, BMI, and ASA classification were the most important risk factors influencing the development of femoral head necrosis. During treatment, there should be some targeted measures to reduce the incidence of necrosis of the femoral head.

Indexed as

AdolescentAdultBone ScrewsFemaleFemoral Neck FracturesFemur Head NecrosisFollow-Up StudiesFracture Fixation, InternalHumansMaleMiddle AgedRetrospective StudiesRisk FactorsYoung AdultFemoral neck fractureInternal fixationOsteonecrosis of the femoral headRisk factors

Identifiers

PMID32600432
PMCPMC7322831
OpenAlexW3037633364

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LicenceCC BY
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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.