دورية أكاديمية
أعرض في EDS

Evaluation of the Schöttle Technique in the Pediatric Knee.

التفاصيل البيبلوغرافية
العنوان: Evaluation of the Schöttle Technique in the Pediatric Knee.
المؤلفون: Huston KL; Miller Orthopedic Specialists, Council Bluffs, Iowa, USA., Okoroafor UC; Department of Orthopaedic Surgery, St Louis University, St Louis, Missouri, USA., Kaar SG; Department of Orthopaedic Surgery, St Louis University, St Louis, Missouri, USA., Wentt CL; Case Western Reserve University School of Medicine, Cleveland, Ohio, USA., Saluan P; Cleveland Clinic Orthopaedic and Rheumatologic Institute, Garfield Heights, Ohio, USA., Farrow LD; Cleveland Clinic Orthopaedic and Rheumatologic Institute, Garfield Heights, Ohio, USA.
المصدر: Orthopaedic journal of sports medicine [Orthop J Sports Med] 2017 Nov 21; Vol. 5 (11), pp. 2325967117740078. Date of Electronic Publication: 2017 Nov 21 (Print Publication: 2017).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Sage on behalf of: The American Orthopaedic Society for Sports Medicine Country of Publication: United States NLM ID: 101620522 Publication Model: eCollection Cited Medium: Print ISSN: 2325-9671 (Print) Linking ISSN: 23259671 NLM ISO Abbreviation: Orthop J Sports Med Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: [Thousand Oaks, CA] : Sage on behalf of: The American Orthopaedic Society for Sports Medicine, [2013]-
مستخلص: Background: The Schöttle point is commonly used for anatomic femoral tunnel placement during medial patellofemoral ligament (MPFL) reconstruction. This technique has not been previously validated in the skeletally immature patient, in whom femoral tunnel placement may put the distal femoral physis at risk of iatrogenic injury.
Hypothesis: Interobserver reliability for femoral tunnel placement will be higher in adult knees compared with pediatric knees.
Study Design: Cross-sectional study (diagnosis); Level of evidence, 3.
Methods: We selected 30 perfect lateral radiographs for this study: 20 from pediatric knees (mean patient age, 10 years; range, 8-11 years) and 10 from adult knees (mean patient age, 18.5 years; range, 18-23 years). Six observers with varying levels of clinical experience evaluated each radiograph and approximated the site of the MPFL femoral tunnel using the Schöttle technique. Intra- and interobserver reliabilities for femoral tunnel placement were evaluated. Statistical analysis was used to compare measurements.
Results: During initial interobserver measurements, the diameter of the composite perfect circles averaged 9.0 and 6.8 mm in adult and pediatric knees, respectively ( P = .004). At repeat measurement, circles averaged 9.8 and 7.3 mm in adult and pediatric knees, respectively ( P = .0001). Femoral tunnel placement intraobserver variance averaged 2.9 mm in adult knees (range, 1.9-4.0 mm) and 2.3 mm in pediatric knees (range, 1.9-2.9 mm). This difference was not significant ( P = .14).
Conclusion: This study demonstrated that interobserver variance is actually greater in adult knees compared with pediatric knees, although interobserver variance was significantly different for both populations. Additionally, intraobserver variance is small on repeat measures, demonstrating that the Schöttle technique is reproducible for individual observers. Sources of this increased variance between observers are differences in agreement on the bony landmarks required for the Schöttle technique. Due to this variability in tunnel placement, we recommend caution when the Schöttle technique is used in pediatric knees to avoid iatrogenic injury to the distal femoral physis during femoral tunnel placement.
Competing Interests: The authors declared that they have no conflicts of interest in the authorship and publication of this contribution.
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فهرسة مساهمة: Keywords: medial patellofemoral ligament; patellar instability; pediatric; radiographic; reconstruction; skeletally immature
تواريخ الأحداث: Date Created: 20171205 Latest Revision: 20220408
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC5700790
DOI: 10.1177/2325967117740078
PMID: 29201929
قاعدة البيانات: MEDLINE
الوصف
تدمد:2325-9671
DOI:10.1177/2325967117740078