Objective:To compare the efficacy of cannulated screw internal fixation combined with quadratus femoris bone flap with preservation of the posterior superior retinaculum and cannulated screw internal fixation alone in the treatment of femoral neck fracture in young and middle-aged patients.Methods:A retrospective cohort study was conducted to analyze the clinical data of 83 young and middle-aged patients with femoral neck fracture admitted to the 920th Hospital of Joint Logistic Support Force of PLA from January 2018 to January 2023, including 56 males and 27 females, aged 28-55 years [(42.7±3.2)years]. According to Garden classification, the fractures were classified as type III in 22 patients and type IV in 61. Based on Pauwels classification, the fractures were classified as type I in 15 patients, type II in 38 and type III in 30. Forty patients were treated with cannulated screw internal fixation combined with modified quadratus femoris bone flap (cannulated screw combined with bone flap group) and 43 with cannulated screw internal fixation alone (cannulated screw group). The two groups were compared in terms of the operation time, intraoperative blood loss, time to weight-bearing, length of hospital stay, and wound healing. The visual analogue scale (VAS) scores and Harris hip function scores at 1, 3, 6, 12 months after surgery and at the last follow-up. The postoperative complication rate was detected.Results:All the patients were followed up for 20-70 months [(40.0±1.2)months]. The operation time and intraoperative blood loss were (105.2±2.7)minutes and (100.6±16.3)ml in the cannulated screw combined with bone flap group, which were longer or more than (92.4±4.7)minutes and (92.5±14.6)ml in the cannulated screw group ( P<0.01). The time to weight-bearing was (12.1±1.4)weeks in the cannulated screw combined with bone flap group, shorter than (23.6±1.2)weeks in the cannulated screw group ( P<0.01). There was no statistically significant difference in the length of hospital stay between the two groups (P>0.05). The incisions in both groups were healed by first intention. At 1 month after surgery, no statistically significant difference was observed in VAS scores between the two groups ( P>0.05); at 3, 6, 12 months after surgery and at the last follow-up, the VAS scores were (6.6±0.2)points, (4.5±0.3)points, (3.2±0.5)points, and (2.6±0.4)points in the cannulated screw combined with bone flap group, lower than (7.0±0.1)points, (5.2±0.2)points, (3.9±0.4)points, and (3.3±0.1)points in the cannulated screw group ( P<0.05 or 0.01). At 1 and 3 months after surgery, no statistically significant difference was observed in the Harris hip function scores between the two groups ( P>0.05); at 6, 12 months after surgery and at the last follow-up, the Harris hip function scores were (82.2±1.7)points, (90.0±1.4)points, and (91.6±1.0)points in the cannulated screw combined with bone flap group, higher than (75.2±1.7)points, (83.4±1.9)points, and (85.2±0.7)points in the cannulated screw group ( P<0.01). At the last follow-up, in the cannulated screw combined with bone flap group, the Harris hip function was rated excellent in 32 patients, good in 5, and fair in 3, with an excellent and good rate of 92.5%, while in the cannulated screw group, the Harris hip function was rated excellent in 20 patients, good in 13, and fair in 10, with an excellent and good rate of 76.7% ( P<0.05). The postoperative complication rate was 5.0% (2/40) in the cannulated screw combined with bone flap group, significantly lower than 23.2% (10/43) in the cannulated screw group ( P<0.05). Conclusion:Compared with cannulated screw internal fixation alone, cannulated screw internal fixation combined with quadratus femoris bone flap with preservation of the posterior superior retinaculum has the advantages of earlier weight-bearing, less pain, better recovery of hip joint function, and lower incidence of postoperative complications in the treatment of femoral neck fracture in young and middle-aged patients, despite longer operation time and more intraoperative blood loss.

Objective:To explore the research hotspots and emerging trends in the field of breast cancer-associated lymphedema, as reflected in the domestic and international literatures.Methods:The bibliometric method was used to retrieve literatures related to breast cancer-associated lymphedema from the Wanfang Database, China National Knowledge Infrastructure, China Science and Technology Journal Database, and the core collection of Web of Science, covering the time range from January 1, 2014, to December 31, 2023. CiteSpace 6.3.R3 software was employed for analysis, which involved statistical assessment of the publication volume, authors, countries, and institutions, as well as the identification of highly cited papers. A co-occurrence analysis of keywords was performed, followed by burst analysis and cluster analysis based on the results.Results:A total of 4 419 Chinese-language articles were retrieved from the three Chinese databases, of which 2 888 were included after duplicate removal. The Web of Science Core Collection yielded 2 142 English-language articles. Among the domestic authors, the top three with the highest publication counts were Zhang Lijuan (25 papers), Jia Jie (22 papers), and Zhong Qiaoling (21 papers). In the English-language literatures, the top three authors with the highest number of publications were Singhal D (32 papers), Devoogdt N (27 papers), and Boyages J (27 papers). A total of 76 countries worldwide had conducted research on breast cancer-associated lymphedema, with the United States contributing the most publications (748 papers), followed by China (227 papers). In total, 642 institutions worldwide had publications on this topic, with 385 domestic institutions. The leading domestic institution was Jiangxi Provincial Cancer Hospital (31 papers), while the top foreign institution was Harvard University (118 papers). The Top 10 most cited papers focused on key research areas in breast cancer-associated lymphedema. A total of 359 Chinese keywords and 513 English keywords were included for co-occurrence analysis. The five most frequent Chinese keywords were quality of life, nursing, complications, upper limb function, and risk factors. In the English literatures, the top five most frequent keywords were quality of life, women, survivors, risk factors, and surgery. Cluster analysis of the keywords revealed 16 clusters in the Chinese literatures, with the largest cluster "functional exercise", while 17 clusters were identified in the English literatures, with the largest cluster "lymph node transfer". The five most consistent clusters in Chinese literatures were lymphatic drainage, rehabilitation, functional impairment, evidence-based nursing, and circumferential lymphatics. In recent years, emerging topics in Chinese literatures included lymphatic drainage, breast reconstruction, and pathophysiology. In English literatures, the consistent top clusters were transplantation, node biopsy, morbidity, identification, and randomized trials, with recent emerging topics including obesity, adipose tissue, healing approaches, lymphatic microsurgical preventive healing approach, and anastomosis.Conclusion:The research on breast cancer-related lymphedema both domestically and internationally shows similarities and differences in direction and focus. Common research hotspots across both domestic and international studies include lymphatic drainage, functional exercise, health behaviors, and lymph node transfer. Recent emerging topics in Chinese literatures include lymphatic drainage, breast reconstruction, and pathophysiology. In contrast, English literatures focus more on the areas such as obesity, adipose tissue, healing methods, and lymphatic anastomosis.

Objectives:To develop a cervical kyphosis frailty index (CK-FI) and explore its clinical value in identifying high-risk patients undergoing cervical kyphosis correction surgery.Methods:In this retrospective case series, clinical data from 53 patients who underwent cervical kyphosis correction at the Department of Orthopedics, Beijing Tiantan Hospital, Capital Medical University, between January 2019 and December 2023 were analyzed. All patients had a minimum follow-up of 12 months. There were 27 males and 26 females, with an age of (53.4±14.5) years (range: 15 to 83 years). Demographic data, comorbidities, laboratory results, radiographic parameters, and functional assessments were collected. Fifteen key indicators related to physiological reserve and stress tolerance in cervical kyphosis patients were identified via Pearson correlation analysis to establish the CK-FI. Differences in demographic characteristics, clinical outcomes, postoperative complications, and length of hospital stay among CK-FI subgroups were analyzed using independent sample t-tests, one-way ANOVA,Wilcoxon signed-rank tests, Mann-Whitney U tests, Kruskal-Wallis tests, and chi-square or Fisher′s exact tests. Binary logistic regression was employed to determine independent risk factors for postoperative complications. Receiver operating characteristic (ROC) curve analysis was used to assess the predictive performance of CK-FI for postoperative complications. Results:Based on CK-FI scores, patients were classified into non-frail (CK-FI<0.3), frail (0.3≤CK-FI≤0.5), and severely frail (CK-FI>0.5) groups. The 30-day postoperative complication rate was 26.4% (14/53). Both univariate and multivariate analyses indicated that frailty ( OR=6.892, 95% CI: 1.239 to 38.353, P=0.028) and severe frailty ( OR=10.313, 95% CI: 1.877 to 56.659, P=0.007) were independent risk factors for postoperative complications. ROC analysis revealed that CK-FI had an area under the curve of 0.777 (95% CI: 0.637 to 0.917, P=0.001), with a specificity of 70.3% and a sensitivity of 81.3% in predicting postoperative complications. Conclusions:The CK-FI serves as a valuable tool for early detection of high-risk patients with cervical kyphosis, aiding in individualized perioperative management, optimizing preoperative preparation, reducing postoperative complications, and ultimately improving patient outcomes.

Objective To explore the clinical value of three-dimensional(3D)fracture mapping in improving the consistency of Arbeitsgemeinschaft für Osteosynthesefragen(AO)/the Orthopaedic Trauma Association(OTA)classification and optimizing preoperative surgical planning for Pilon fractures.Methods This single-center retrospective cohort study included 60 Pilon fracture patients admitted to the Trauma Emergency Center of the Third Hospital of Hebei Medical University between January 2022 and December 2024.All patients underwent preoperative computed tomography(CT)scans.Image standardization and expert manual segmentation/annotation of fracture lines and fragments were performed with 3D Slicer software.3D fracture lines extracted from gold-standard models were registered to a unified standard tibial model.A 3D probability heatmap was constructed by counting spatial fracture frequency,with high-incidence zones analyzed via spatial clustering algorithms.Three orthopedic surgeons independently completed AO/OTA classification and preoperative planning with the assistance of conventional CT only and CT with 3D fracture mapping.Accuracy,time consumption,inter-observer consistency(Cohen's κ),planning time,plan modification frequency,and subjective scores were evaluated.Results The 3D fracture heatmap revealed that fracture lines predominantly concentrated in the anterolateral and posteromedial regions of the distal tibia,with an average of(4.2±1.1)hotspots,a coverage rate of(78.3±5.6)%,and(3.5±1.0)clustering areas.With 3D fracture mapping assistance,classification accuracy was improved to(88.0±5.0)%compared to(75.0±8.0)%with conventional CT(P=0.001);classification time reduced to(10.4±2.5)min from(15.2±3.1)min(P<0.001);and Cohen's κ increased from 0.68±0.05 to 0.82±0.03(P=0.002).For preoperative planning,the average planning time was(15.8±3.2)min in the 3D mapping-assisted group,which was significantly shorter than that of conventional CT group(22.5±4.3)min(P<0.001);the number of plan modifications was(1.5±0.7)times,lower than that of conventional CT group(3.2±1.1)times(P<0.001),and the subjective score was 8.9±0.9,higher than that of conventional CT group(6.8±1.2)(P<0.001).Conclusion The 3D fracture mapping accurately characterizes spatial distribution patterns of Pilon fractures,significantly improves classification accuracy,inter-observer consistency,and preoperative planning efficiency,and thus holds substantial clinical value.

Objective:To investigate the efficacy and safety of transurethral incision for the treatment of ureterocele in infants.Methods:A retrospective analysis of 28 cases of ureterocele admitted from March 2012 to May 2023 were reviewed, all of which were less than 1 year old, 16 male and 12 female, with an average age of(5.7±3.5)months. The ureterocele was located on the left side in 8 cases, on the right side in 15 cases, and bilaterally in 5 cases. There were 12 cases of single system ureterocele, of which 7 cases were unilateral and 5 cases were bilateral. Duplex system ureterocele was observed in 16 cases, all of which were unilateral. Clinical manifestations: urinary tract infection in 13 cases, 11 cases of ureterocele or hydronephrosis and ureteral dilation were found during antenatal examination, and 4 cases of ureterocele were found after birth. Urological ultrasound, intravenous pyelography(IVP) and voiding cystourethrography(VCUG) were performed in all children, and 17 cases underwent magnetic resonance urolography (MRU), and confirm the diagnosis of ureterocele preoperatively. All of the cases were performed the transurethral incision.The ureterocele was punctured and incised 1-2 mm at the base of the bulge, and 2-4 points were punctured according to the bulge atrophy. Bilateral ureteroceles were punctured and incised simultaneously. Postoperative urine routine test, urinary tract color ultrasound and VCUG were performed to determine if there is urinary tract infection, hydronephrosis, ureteral dilation and bulging, and whether a second surgery is needed.Results:All operations were conducted successfully. The intraoperative bleeding was less than 3 ml and no intraoperative complications. The operative time was (28.4±10.3) min. The median postoperative follow-up was 34 (32, 36) months. Six cases underwent postoperative VCUG examination. Eleven children were recovered well with single systemic ureterocele. One child developed grade Ⅳ vesicoureteral reflux(VUR)and combined with bladder diverticulum, and ureterocele underwent open diverticulotomy and ureteral reimplantation six months after surgery. Nine children were recovered well with duplex systemic ureterocele. Six cases of children developed infection, of which 2 cases had an infection once within one month after TUI, and the other four cases still had intermittent infections after six months and VCUG was performed, and one case showed grade Ⅲ VUR of the lower ureter, which was observed conservatively, while the other three cases had enlarged cysts but no VUR, and upper heminephrectomy was performed, and the patients recovered well after surgery. Except for these 6 exceptions, in another case, after ten years of follow-up, the ureterocele became larger but no VUR, and the results were good after a second transurethral incision. There was no significant difference in the postoperative infections, new VUR cases, and secondary surgeries between the two groups.Conclusions:Transurethral incision has good surgical effect on children with single system ureterocele and duplex system ureterocele, and has advantages of easy operation, less trauma, safety and effectiveness, and few complications. It deserves to be recommended as the treatment of choice, especially for infants and young children.

Objective:To evaluate the clinical effect of antibiotic-loaded bone cement implantation combined with free chimeric tissue flap transplantation in the sequential treatment of severe gouty wounds.Methods:This study was a retrospective observational study. From July 2019 to July 2022, 11 male patients with severe gouty wounds who were aged 33 to 71 years and met the inclusion criteria were admitted and treated at the Affiliated Hospital of Zunyi Medical University. The wounds were located on the hands in 2 cases, the ankles in 5 cases, and the feet in 4 cases. After debridement, the wound area ranged from 5.0 cm×4.0 cm to 22.0 cm×6.0 cm. All wounds were sequentially repaired with antibiotic-loaded bone cement implantation combined with free chimeric tissue flaps transplantation. Two cases were repaired by free perforating branch of superficial circumflex iliac artery with chimeric osseous flaps, with the areas of harvested skin flaps being 5.5 cm×4.0 cm and 8.0 cm×6.0 cm, respectively, and the volumes of iliac bone flaps being 2.0 cm×2.0 cm×1.5 cm and 3.5 cm×2.0 cm×2.0 cm, respectively. Two cases were repaired by free perforating branch of deep circumflex iliac artery with chimeric osseous flaps, with the areas of harvested skin flaps being 6.0 cm×4.0 cm and 7.5 cm×5.0 cm, respectively, and the volumes of iliac bone flaps being 2.0 cm×1.5 cm×1.5 cm and 2.5 cm×2.0 cm×1.5 cm, respectively. Seven cases were repaired by free chimeric myocutaneous flaps based on the descending branch of the lateral circumflex femoral artery. The areas of harvested skin flaps ranged from 9.5 cm×6.0 cm to 25.0 cm×6.5 cm, and the volumes of muscle flaps ranged from 4.0 cm×3.0 cm×2.0 cm to 6.0 cm×5.0 cm×2.5 cm. The donor site wounds were directly sutured. The chimeric tissue flap was freely transplanted to the recipient wound site, of which the iliac bone graft was used to fill the bone defect, the muscle flap was utilized to fill the wound cavity, and the skin flap was employed to cover the wound surface; the arteries and veins in the vascular pedicle were anastomosed with those in the recipient area. At admission and 3 days post antibiotic-loaded bone cement implantation, the changes in white blood cell count, neutrophil and hypersensitive C-reactive protein level, as well as the bacterial culture of wound secretions specimen, and the growth of granulation tissue were observed. After stage Ⅱ surgery, the survival of transplanted chimeric tissue flaps, the occurrence of vascular crisis, and the healing of wounds in donor and recipient sites were observed. During follow-up, the blood supply, appearance, and texture of the transplanted tissue flaps in the recipient sites, the function and appearance of the affected limbs and fingers, and the complications in the donor and recipient sites were observed.Results:Three days post antibiotic-loaded bone cement implantation, white blood cell count, hypersensitive C-reactive protein level, and neutrophil significantly decreased compared with those at admission (with Z values of -2.93 and -2.93 respectively, t=8.63, P<0.05). At admission, all patients exhibited bacterial infections with redness and swelling around the wounds. Three days post antibiotic-loaded bone cement implantation, bacterial cultures of wound secretions specimen were negative, local redness resolved, and granulation tissue showed good growth. After stage Ⅱ surgery, all chimeric flaps survived without vascular crises. The wound healing in the recipient site of the dorsum of the foot in one patient was poor and delayed but healed after dressing changes; all the other recipient sites in remaining patients healed successfully. The donor incision healed well in all patients. During 6 to 24 months of follow-up, the flaps in the recipient area demonstrated good blood circulation, texture, and appearance. Bone healing was achieved in 4 patients with iliac grafts. Nine patients with lower limb wounds were able to bear weight, and the functions including gripping, palm alignment, and finger alignment were significantly improved in 2 patients with hand wounds. No significant complications were observed in donor or recipient sites. Conclusions:In treating patients with severe gouty wounds, the sequential strategy of stage Ⅰ debridement with antibiotic-loaded bone cement implantation followed by stage Ⅱ free chimeric osseous flaps or myocutaneous flaps repair can achieve effectively control of postoperative wound infection, promote wound healing, and well restore the functions of affected finger or limb with no obvious complications, which is worthy of promotion for clinical application.

Objective To explore the clinical value of three-dimensional(3D)fracture mapping in improving the consistency of Arbeitsgemeinschaft für Osteosynthesefragen(AO)/the Orthopaedic Trauma Association(OTA)classification and optimizing preoperative surgical planning for Pilon fractures.Methods This single-center retrospective cohort study included 60 Pilon fracture patients admitted to the Trauma Emergency Center of the Third Hospital of Hebei Medical University between January 2022 and December 2024.All patients underwent preoperative computed tomography(CT)scans.Image standardization and expert manual segmentation/annotation of fracture lines and fragments were performed with 3D Slicer software.3D fracture lines extracted from gold-standard models were registered to a unified standard tibial model.A 3D probability heatmap was constructed by counting spatial fracture frequency,with high-incidence zones analyzed via spatial clustering algorithms.Three orthopedic surgeons independently completed AO/OTA classification and preoperative planning with the assistance of conventional CT only and CT with 3D fracture mapping.Accuracy,time consumption,inter-observer consistency(Cohen's κ),planning time,plan modification frequency,and subjective scores were evaluated.Results The 3D fracture heatmap revealed that fracture lines predominantly concentrated in the anterolateral and posteromedial regions of the distal tibia,with an average of(4.2±1.1)hotspots,a coverage rate of(78.3±5.6)%,and(3.5±1.0)clustering areas.With 3D fracture mapping assistance,classification accuracy was improved to(88.0±5.0)%compared to(75.0±8.0)%with conventional CT(P=0.001);classification time reduced to(10.4±2.5)min from(15.2±3.1)min(P<0.001);and Cohen's κ increased from 0.68±0.05 to 0.82±0.03(P=0.002).For preoperative planning,the average planning time was(15.8±3.2)min in the 3D mapping-assisted group,which was significantly shorter than that of conventional CT group(22.5±4.3)min(P<0.001);the number of plan modifications was(1.5±0.7)times,lower than that of conventional CT group(3.2±1.1)times(P<0.001),and the subjective score was 8.9±0.9,higher than that of conventional CT group(6.8±1.2)(P<0.001).Conclusion The 3D fracture mapping accurately characterizes spatial distribution patterns of Pilon fractures,significantly improves classification accuracy,inter-observer consistency,and preoperative planning efficiency,and thus holds substantial clinical value.

Objective To investigate the influence factors of complications of CT-guided preoperative Hook-wire localization for pulmonary nodules.Methods The clinical data of 84 patients with preoperative Hook-wire localization for pulmonary nodules were retrospectively analyzed,including age,gender,lesion size,localization time,needle injection time and so on.The influence factors of complications of Hook-wire localization for pulmonary nodules were assessed using multivariate logistic regression analysis.Results All patients were successfully completed preoperative localization.It was found that 7 patients had locator needle decoupling.The incidences of irritating cough,pulmonary hemorrhage and pneumothorax were 26.19％(22/84),22.62％(19/84)and 27.38％(23/84),respec-tively,all of which were relieved after symptomatic treatment.Multivariate logistic regression analysis revealed that"risk period"time was the risk factor for locator needle decoupling[odds ratio(OR)=1.053,95％confidence interval(CI)1.011-1.113,P＜0.05].Localization time was the risk factor for irritating cough(OR=1.289,95％CI 1.096-1.575,P＜0.05)and pneumothorax(OR=1.271,95％CI 1.079-1.553,P＜0.05).Needle injection time was a risk factor for pulmonary hemorrhage(OR=28.58,95％CI 3.177-1 272,P＜0.05).Conclusion CT-guided preoperative Hook-wire localization for pulmonary nodules is safe and feasible."risk period"time,localization time and needle injection time are the influence factors of complications.

Objective:To explore feasible surgical options for management of persistent Müllerian duct syndrome (PMDS) in children.Methods:A retrospective case summary was made.The clinical data of 8 patients who were diagnosed with PMDS and treated at Shanxi Children′s Hospital from September 2011 to November 2020 were retrospectively reviewed.Of the 8 PMDS patients, 6 were sporadic cases, 2 were twins (monochorionic), with an age range from 1 year to 12 years.All cases had normal male external genital organs and a chromosomal karyotype of 46, XY.During the operation, the surgical plan was selected according to clinical classification, vas structure and the development of the initial uterus.After the operation, the Müllerian structure in the abdominal cavity and the testicular development of the children were followed up through color ultrasound at the outpatient department.Results:Four patients had oblique inguinal hernia, 3 had bilateral cryptorchidism, and 1 had transverse testicular ectopia.Müllerian inhibitory hormone (MIH) levels were significantly decreased in 5 cases and normal in 1 case.The other 2 cases were not tested for MIH.All bilateral gonadal biopsies were testicular tissue, but undifferentiated gonadal tissue was detected in 3 cases.Four cases underwent radical surgery after gonadal biopsy.Among these 4 children, 3 received one-stage radical operation, and 1 received repair of oblique hernia before the radical surgery.Three patients had a well-defined vas structure and underwent hysterectomy and bilateral orchidopexy; three patients had a vague vas structure and received orchidopexy with the uterus preserved; one case underwent hysterectomy, orchidopexy on one side and orchiectomy on the other side; one case had bilateral orchidectomy in Fowler-Stephens stage.All the 8 children were followed up for 2 to 12 years.Ultrasound showed that the descending testis was well developed, with no cryptorchidism retraction or hernia recurrence.No tumor was observed in the preserved uterus in the abdominal cavity.Conclusions:The plan for PMDS management in children should be determined based on its clinical classification.Gonadal biopsy is essential, and whether to remove the Müllerian structure depends on the vas structure and the development of the uterus.

Objective To investigate the influence factors of complications of CT-guided preoperative Hook-wire localization for pulmonary nodules.Methods The clinical data of 84 patients with preoperative Hook-wire localization for pulmonary nodules were retrospectively analyzed,including age,gender,lesion size,localization time,needle injection time and so on.The influence factors of complications of Hook-wire localization for pulmonary nodules were assessed using multivariate logistic regression analysis.Results All patients were successfully completed preoperative localization.It was found that 7 patients had locator needle decoupling.The incidences of irritating cough,pulmonary hemorrhage and pneumothorax were 26.19％(22/84),22.62％(19/84)and 27.38％(23/84),respec-tively,all of which were relieved after symptomatic treatment.Multivariate logistic regression analysis revealed that"risk period"time was the risk factor for locator needle decoupling[odds ratio(OR)=1.053,95％confidence interval(CI)1.011-1.113,P＜0.05].Localization time was the risk factor for irritating cough(OR=1.289,95％CI 1.096-1.575,P＜0.05)and pneumothorax(OR=1.271,95％CI 1.079-1.553,P＜0.05).Needle injection time was a risk factor for pulmonary hemorrhage(OR=28.58,95％CI 3.177-1 272,P＜0.05).Conclusion CT-guided preoperative Hook-wire localization for pulmonary nodules is safe and feasible."risk period"time,localization time and needle injection time are the influence factors of complications.