International journal of surgery (London, England) · 2024
Prognostic factors of extracorporeal shockwave therapy in the treatment of nonunion in long bones: a retrospective study.
СтатьяНазвание и аннотация: Перевод в очереди
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Wu Kuan-Ting, Cheng Jai-Hong, Jhan Shun-Wun, Chen Po-Cheng, Wang Ching-Jen, Chou Wen-Yi
Аннотация
BACKGROUND: Nonunion of long bone fractures is a significant complication following surgical fixation, with an incidence ranging from 5 to 10%. Surgical intervention is the standard treatment for nonunions, but it may come with potential complications. Nonoperative approaches, such as Extracorporeal Shockwave Therapy (ESWT), have been advocated as alternatives.
METHODS: In the retrospective study conducted between January 2004 and January 2018, 91 patients who underwent ESWT for tibia or femur nonunions were included. Nonunion was defined based on radiographic criteria and clinical symptoms. The nonunion morphology was categorized as hypertrophic, oligotrophic, or atrophic. ESWT was administered using the OssaTron device in a single treatment session. Bony union was defined as the presence of a bridging callus over the fracture site with more than three-fourths of the circumference in both planes within the 12-month postoperative period.
RESULTS: The study included 91 patients, with an overall union rate of 62.6%. A higher healing rate was observed in trophic nonunion(69.9%) than in atrophic nonunion(33.3%). Multivariate analysis identified the number of surgeries, maximum fracture gap, and atrophic nonunion as independent factors influencing the risk of fracture nonunion after ESWT. The receiver operating characteristic curves were generated for these factors, providing more than one surgical intervention, and fracture gap greater than 3.94 mm as negative predictors of ESWT for long bone nonunions.
CONCLUSION: The study's primary findings suggest that ESWT is effective in achieving bony union for nonunions in long bones(62.6%). Despite the overall positive results, the study highlights that atrophic nonunions, larger fracture gaps of more than 3.94 mm, and multiple surgeries are associated with poorer outcomes.
METHODS: In the retrospective study conducted between January 2004 and January 2018, 91 patients who underwent ESWT for tibia or femur nonunions were included. Nonunion was defined based on radiographic criteria and clinical symptoms. The nonunion morphology was categorized as hypertrophic, oligotrophic, or atrophic. ESWT was administered using the OssaTron device in a single treatment session. Bony union was defined as the presence of a bridging callus over the fracture site with more than three-fourths of the circumference in both planes within the 12-month postoperative period.
RESULTS: The study included 91 patients, with an overall union rate of 62.6%. A higher healing rate was observed in trophic nonunion(69.9%) than in atrophic nonunion(33.3%). Multivariate analysis identified the number of surgeries, maximum fracture gap, and atrophic nonunion as independent factors influencing the risk of fracture nonunion after ESWT. The receiver operating characteristic curves were generated for these factors, providing more than one surgical intervention, and fracture gap greater than 3.94 mm as negative predictors of ESWT for long bone nonunions.
CONCLUSION: The study's primary findings suggest that ESWT is effective in achieving bony union for nonunions in long bones(62.6%). Despite the overall positive results, the study highlights that atrophic nonunions, larger fracture gaps of more than 3.94 mm, and multiple surgeries are associated with poorer outcomes.