Dataset Information

ABCB1 gene polymorphisms and glucocorticoid-induced avascular necrosis of the femoral head susceptibility: a meta-analysis.

ABSTRACT:

Background

The results of studies on association between ABCB1 gene polymorphisms and glucocorticoid-induced avascular necrosis of the femoral head (GANFH) are controversial. This study aimed to assess the association of ABCB1 gene polymorphisms with the risk of GANFH by conducting a meta-analysis.

Material and methods

The PubMed, Cochrane Library, and Embase databases were searched for papers that describe the association between ABCB1 polymorphisms and GANFH risk. Summary odds ratios and 95% confidence intervals (CI) were estimated based on a fixed-effects model or random-effects model, depending on the absence or presence of significant heterogeneity.

Results

A total of 5 studies and 833 patients were included in the final analysis. Significant differences were found for rs1045642 polymorphism in the comparisons of CC vs. CT+TT (OR, 1.462; 95% CI, 1.066-2.007; P=0.019), and rs2032582 polymorphism in the comparisons of GG vs. G(TA)+(TA)(TA) (OR, 1.548; 95% CI,1.063-2.255; P=0.023).

Conclusions

The study demonstrated that the ABCB1 polymorphisms (rs1045642 and rs2032582) significantly reduced the risk of GANFH.

SUBMITTER: Li Z

PROVIDER: S-EPMC4285923 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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Publications

ABCB1 gene polymorphisms and glucocorticoid-induced avascular necrosis of the femoral head susceptibility: a meta-analysis.

Li Zhigang Z Zhao Dewei D Wang Benjie B

Medical science monitor : international medical journal of experimental and clinical research 20141229

<h4>Background</h4>The results of studies on association between ABCB1 gene polymorphisms and glucocorticoid-induced avascular necrosis of the femoral head (GANFH) are controversial. This study aimed to assess the association of ABCB1 gene polymorphisms with the risk of GANFH by conducting a meta-analysis.<h4>Material and methods</h4>The PubMed, Cochrane Library, and Embase databases were searched for papers that describe the association between ABCB1 polymorphisms and GANFH risk. Summary odds r ...[more]

PMID: 25544111

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Project description:This study aimed to evaluate the relevant factors of postoperative avascular necrosis of the femoral head (AVN) in children with femoral neck fracture. This study retrospectively analyzed the clinical data of 28 children with femoral neck fractures treated at our center between July 2016 and January 2019. The average age was 9.3 (range, 4.4-14) years with 75% male participants. Fracture classification was based on the Delbet classification: there were four, seven, 15, and two cases of type I, II, III, and IV fractures, respectively. Displacement degree was based on the Garden classification. Sixteen cases had insignificant displacement (Garden types I and II), six had medium displacement (Garden type III), and six had significant displacement (Garden type IV). There were six early (≤24 hours) and 22 delayed (>24 hours) surgeries. Twenty-three patients had satisfactory reduction, and five had unsatisfactory reduction. The mean postoperative follow-up period was 15.7 (range, 12-36) months. Follow-up was evaluated using the Ratliff scoring standards. The correlation between age, fracture classification, displacement degree, surgery timing, reduction quality, and other factors and AVN occurrence was statistically analyzed. Among 28 children, AVN was found in six cases. There were statistically significant differences in displacement degree (P = 0.001) and reduction quality (P = 0.001), while the occurrence of AVN did not significantly differ with sex (P = 0.117), age distribution (P = 0.218), fracture classification (P = 0.438), surgery timing (P = 0.255), and mechanism of injury (P = 0.436). The results of logistic regression analysis showed that displacement degree was a relevant risk factor (P = 0.049, odds ratio [OR] = 8.391, 95% confidence interval [CI]: 1.004-70.117), while reduction quality was not (P = 0.075, OR = 14.536, 95% CI: 0.757-278.928). Although the development of AVN in children with femoral neck fractures may be related to many factors, the results of this research suggest that there is a significant correlation between displacement degree and AVN occurrence.

Project description:The current systematic review aimed to document published cases of femoral head avascular necrosis (FHAVN) post-COVID-19, to report the COVID-19 disease characteristics and management patients received, and to evaluate how the FHAVN were diagnosed and treated among various reports. A systematic literature review was performed per the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines through a comprehensive English literature search on January 2023 through four databases (Embase, PubMed, Cochrane Library, and Scopus), including studies reporting on FHAVN post-COVID-19. Fourteen articles were included, ten (71.4%) were case reports, and four (28.6%) case series reported on 104 patients having a mean age of 42.2 ± 11.7 (14:74) years, in which 182 hip joints were affected. In 13 reports, corticosteroids were used during the COVID-19 management plan for a mean of 24.8 ± 11 (7:42) days, with a mean prednisolone equivalent dose of 1238.5 ± 492.8 (100:3520) mg. A mean of 142.1 ± 107.6 (7:459) days passed between COVID-19 diagnosis and FHAVN detection, and most of the hips were stage II (70.1%), and concomitant septic arthritis was present in eight (4.4%) hips. Most hips (147, 80.8%) were treated non-surgically, of which 143 (78.6%) hips received medical treatment, while 35 (19.2%) hips were surgically managed, 16 (8.8%) core decompression, 13 (7.1%) primary THA, five (2.7%) staged THA and three (1.6%) had first stage THA (debridement and application of antibiotic-loaded cement spacer). The outcomes were acceptable as regards hip function and pain relief. Femoral head avascular necrosis post-COVID-19 infection is a real concern, primarily attributed to corticosteroid usage, besides other factors. Early suspicion and detection are mandatory, as conservative management lines are effective during early stages with acceptable outcomes. However, surgical intervention was required for progressive collapse or patients presented in the late stage.

Dataset Information

ABCB1 gene polymorphisms and glucocorticoid-induced avascular necrosis of the femoral head susceptibility: a meta-analysis.

Background

Material and methods

Results

Conclusions

Publications

ABCB1 gene polymorphisms and glucocorticoid-induced avascular necrosis of the femoral head susceptibility: a meta-analysis.

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