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Clinical and Radiological Characteristics of Lesser Trochanter Splitting Irreducible Intertrochanteric Fractures

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dc.contributor.authorKim, JW-
dc.contributor.authorYoo, JI-
dc.contributor.authorKim, JT-
dc.contributor.authorChoy, WS-
dc.contributor.authorCha, Y-
dc.date.accessioned2023-09-11T06:01:45Z-
dc.date.available2023-09-11T06:01:45Z-
dc.date.issued2023-
dc.identifier.issn2005-291X-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/26341-
dc.description.abstractBackground: The purpose of this study was to investigate the demographic factors and radiological characteristics of lesser trochanter splitting (LTS) irreducible intertrochanteric fractures and to report the clinical results of patients who underwent open reduction and internal fixation using dynamic hip screws (DHS). Methods: Inclusion criteria were as follows: AO/Orthopedic Trauma Association type 31A1.2, a fracture line originating from the outside of the greater trochanter that passes through the lesser trochanter, and patients who were followed up for more than 1 year with a confirmed presence or absence of bone union. A total of 13 cases were identified, accounting for 3.1% (13/416 intertrochanteric fractures). Patients were classified according to posterior sagging of the distal shaft fragment relative to the head-neck fragment (posterior sagging group, 6; non-sagging group, 7). Demographic data, comorbidities, injury mechanism, type of anesthesia, operation time, blood loss, tip-apex distance, reduction quality, leg length discrepancy (> 5 mm), long lesser trochanter sign, postoperative complications, and presence of bony union were obtained by reviewing medical records and radiological findings. Results: The mean age of the patients was 50.4 ± 10.4 years, and 12 were men. Except for 1 case (slip down), all were induced by high-energy trauma. According to the grade of reduction quality, 5 cases (38.5%) had good reduction quality and 8 cases (61.5%) had acceptable reduction quality. There were no postoperative complications, and bony union was observed in all cases. The long lesser trochanter sign was observed in 5 cases (38.5%) and leg length discrepancy greater than 5 mm was not observed. Compared with the non-sagging group, the posterior sagging group had more head-neck fragments containing more than 1/2 of the lesser trochanter length, longer operation time, and more blood loss (p < 0.05). Compared to the non-sagging group, the posterior sagging group had worse reduction quality and more long lesser trochanter signs (p < 0.05). Conclusions: Open reduction and internal fixation using DHS for the LTS irreducible intertrochanteric fractures can achieve good clinical and radiological outcomes. However, in the posterior sagging type, reduction can be more difficult with a longer operation time and higher likelihood of blood loss.-
dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHBone Nails-
dc.subject.MESHFemale-
dc.subject.MESHFemur-
dc.subject.MESHFracture Fixation, Internal-
dc.subject.MESHFracture Healing-
dc.subject.MESHHip Fractures-
dc.subject.MESHHumans-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHPostoperative Complications-
dc.subject.MESHRetrospective Studies-
dc.subject.MESHTreatment Outcome-
dc.titleClinical and Radiological Characteristics of Lesser Trochanter Splitting Irreducible Intertrochanteric Fractures-
dc.typeArticle-
dc.identifier.pmid37529199-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10375813-
dc.subject.keywordComplications-
dc.subject.keywordHip fractures-
dc.subject.keywordTreatment outcome-
dc.contributor.affiliatedAuthorKim, JT-
dc.type.localJournal Papers-
dc.identifier.doi10.4055/cios22325-
dc.citation.titleClinics in orthopedic surgery-
dc.citation.volume15-
dc.citation.number4-
dc.citation.date2023-
dc.citation.startPage560-
dc.citation.endPage566-
dc.identifier.bibliographicCitationClinics in orthopedic surgery, 15(4). : 560-566, 2023-
dc.identifier.eissn2005-4408-
dc.relation.journalidJ02005291X-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
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