Observation on the effect of minimally invasive reduction and fixation of Sanders types Ⅱ and Ⅲ intra-articular calcaneal fractures under full arthroscopy
Zhou Xiangguo, Wei Di, Lou Lixiang, Xu Mingliang
Department of Foot and Ankle Surgery, Xuzhou Renci Hospital, Xuzhou 221006, China
Abstract:Objective This study investigated the clinical efficacy of minimally invasive reduction and fixation for Sanders types Ⅱ and Ⅲ intra-articular calcaneal fractures under total arthroscopy. Methods Prospective randomized controlled study was conducted, using the clinical data of 40 patients admitted to Xuzhou Renci Hospital Foot and Ankle Surgery from March 2017 to December 2020 because of Sanders types Ⅱ and Ⅲ calcaneal fractures. The patients were composed of 36 males and 4 females aged 18-58 (39.6±10.8) years. Sanders classification type Ⅱ was found in 16 cases; and type Ⅲ, in 24 cases. Then, 40 patients were randomly divided into arthroscopic group (using arthroscopic minimally invasive reduction and percutaneous screw fixation for intra-articular calcaneal fractures), large "L" incision group (traditional large "L" incision calcaneus fracture reduction and plate internal fixation), 20 cases in each group. Observation indicators: (1) the gender, age, body mass index (BMI), fracture type, preoperative American Orthopedics Foot and Ankle Score (AOFAS) score, and operation timing (surgery days after injury) of the two groups were compared and analyzed between groups; (2) the two groups were compared by length of incision, operation time, and intraoperative bleeding; (3) Perioperative data, such as volume, hospital stay, postoperative incision healing, local numbness, exposed steel plate, incision skin necrosis, and postoperative complications, including traumatic arthritis 1 year after surgery, were compared. (4) Regular follow-up after operation was conducted. AOFAS was used in evaluating the recovery of ankle function at the last follow-up. The Gissnae and Bohler angles of the two groups were compared and analyzed. Results (1) No significant differences in baseline data including gender, age, BMI, fracture type, and AOFAS score before surgery were found between the two groups (all P values >0.05). (2) The incision length of the patients in the arthroscopy group was (0.94±0.08)cm, the intraoperative blood loss was (7.20±1.98)mL, the operation time was (41.45±9.96)min, and the length of hospital stay was (8.45±2.01)days. The incision length of the patients in large "L" incision group was (14.35±1.63)cm, the intraoperative blood loss was (27.35±10.35)mL, the operation time was (90.65±12.08)min, and the hospitalization time was (17.15±6.72)days. The arthroscopy group were better than the large "L" shaped incision group, and the difference were statistically significant (t=-36.70, -8.54, -14.04, -5.54, all P values <0.05). (3) All patients were followed up for an average of 12.3 months. In the calcaneal arthroscopy group, all incisions healed in grade A, and no traumatic arthritis and dorsal skin numbness occurred. In the large "L" incision group, two of the 20 patients discharged from the hospital had grade B wound healing, and 18 patients had grade A wound healing. Two patients had wound skin edge necrosis and exposed steel plate, and the wound healed after repair with sural nerve nutrition retrograde island flap. Numbness gradually disappeared after a month. (4) The AOFAS ankle-hindfoot function score was used at the last follow-up. The AOFAS score in the arthroscopic group was 92.10±3.16, whereas that in the large "L" incision group was 91.3±2.45. No significant difference was found (P>0.05). The Gissnae and Bohler angles of the calcaneus in the two groups after operation were within the normal range, and the difference was not statistically significant (P>0.05). Conclusion Compared with traditional open reduction and internal fixation, total arthroscopic minimally invasive surgery for Sanders types Ⅱ and Ⅲ intra-articular calcaneal fractures has the advantages of small surgical incision, short operation time, firm internal fixation, good incision healing, and long course of treatment. It is worthy of further clinical application because of its advantages of short duration, reduced postoperative scar, and accelerated functional recovery.
周祥国, 魏笛, 娄理想, 徐明亮. 全关节镜下微创复位固定术治疗SandersⅡ、Ⅲ型跟骨关节内骨折的疗效分析[J]. 中华解剖与临床杂志, 2022, 27(10): 702-708.
Zhou Xiangguo, Wei Di, Lou Lixiang, Xu Mingliang. Observation on the effect of minimally invasive reduction and fixation of Sanders types Ⅱ and Ⅲ intra-articular calcaneal fractures under full arthroscopy. Chinese Journal of Anatomy and Clinics, 2022, 27(10): 702-708.
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