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Purpose The aim of this ESSKA consensus is to give recommendations based on scientific evidence and expert opinion to improve the diagnosis, preoperative planning, indication and surgical strategy in Anterior Cruciate Ligament revision. Methods Part 2, presented herein, followed exactly the same methodology as Part 1: the so-called ESSKA formal consensus derived from the Delphi method. Eighteen questions were ultimately asked. The quality of the answers received the following grades of recommendation: Grade A (high level scientific support), Grade B (scientific presumption), Grade C (low level scientific support) or Grade D (expert opinion). All answers were scored from 1 to 9 by the raters. Once a general consensus had been reached between the steering and rating groups, the question–answer sets were submitted to the peer-review group. A final combined meeting of all the members of the consensus was then held to ratify the document. Results The review of the literature revealed a rather low scientific quality of studies examining the surgical strategy in cases of ACL reconstruction failure. Of the 18 questions, only 1 received a Grade A rating; 5, a Grade B rating; and 9, grades of C or D. The three remaining complex questions received further evaluations for each portion of the question and were looked at in more detail for the following grades: B and D; A, C and D; or A, B, C and D. The mean rating of all questions by the rating group was 8.0 + − 1.1. The questions and recommendations are listed in the article. Conclusion ACL revision surgery, especially the surgical strategy, is a widely debated subject with many different opinions and techniques. The literature reveals a poor level of standardization. Therefore, this international European consensus project is of great importance and clinical relevance for guiding the management of ACL revision in adults. Level of evidence Level II.

Purpose To introduce our surgical strategies for recurrent parastomal hernia after a primary repair with a Dynamesh ® IPST mesh. Methods Ten patients who underwent recurrent parastomal hernia repair with previous Dynamesh ® IPST mesh use were analyzed retrospectively. Distinct surgery strategies were applied. Accordingly, we investigated the recurrence rate and postoperative complications in these patients, who were followed for an average of 35.9 months after surgery. Results There was no recorded death and no readmission during the 30-day postoperative period. And the lap-re-do Sugarbaker group had no recurrence, whereas the open suture group had one recurrence (16.7%). One patient in the Sugarbaker group developed ileus and recovered conservatively during the follow-up period. There were no other complications, including seroma, mesh infection and bulging, or prolonged postoperative pain. Conclusions We offer two predominant surgery strategies for recurrent parastomal hernia with a previous Dynamesh ® IPST mesh usage, the open suture repair, and the Lap-re-do Sugarbaker repair. Even though the results of the Lap-re-do Sugarbaker repair are satisfactory, we recommend the open suture technique as it is safer in a setting of dense adhesions in recurrent parastomal hernias.

BackgroundBoth intrasuprasellar and suprasellar Rathke cleft cysts (RCCs) have suprasellar components, and we aimed to explore their clinical features and surgical outcomes.MethodPatients with surgically treated intrasuprasellar or suprasellar RCCs were retrospectively analyzed. All patients with intrasuprasellar RCCs were treated with the standard endoscopic endonasal approach (EEA, group I); the patients with suprasellar RCCs received the extended EEA (group II) or supraorbital keyhole approach (SKA, group III) according to the relevant indications. A surgical strategy of maximal safe resection aiming to protect neuroendocrine function was adopted. In addition, patients (distinguished from the above 3 groups) who had aggressive resection of suprasellar RCC were also enrolled for comparison of different surgical strategies.ResultsA total of 157 patients were eligible, including 121 patients with intrasuprasellar RCCs in group I, 19 patients with suprasellar RCCs in group II, and 17 patients with suprasellar RCCs in group III. Preoperatively, the patients with suprasellar RCC (groups II and III) more commonly presented with visual dysfunction, diabetes insipidus (DI), and hyperprolactinemia than the patients with intrasuprasellar RCCs (all p<0.05). A higher incidence of hypopituitarism and a larger diameter were observed for intrasuprasellar RCCs (both p<0.05). Postoperatively, group II had a higher rate of new-onset DI, hyponatremia, and recurrence than group I (all p<0.025) and similar outcomes to group III. For suprasellar RCCs, comparison of the maximal safe resection vs. aggressive resection (supplementary patients: 14 with extended EEA, 12 with SKA) showed similar improvement and recurrence, with higher rates of DI and hyponatremia with the latter strategy (all p<0.05).ConclusionsSuprasellar RCC is associated with more complicated preoperative presentations, intricate postoperative complications, and frequent recurrence compared with intrasuprasellar RCC. Under rational indications, both extended EEA and SKA achieve satisfactory outcomes. The strategy of maximal safe resection is recommended for greatest functional preservation.

Purpose To evaluate the clinical efficacy of surgery in Kummell’s disease (KD) to help us select the optimum surgical strategy. Methods We included 67 KD patients who underwent Percutaneous vertebral plasty (PVP), Percutaneous kyphosis plasty (PKP), Percutaneous pedicle screw fixation (PPSF) or Posterior decompression osteotomy fixation (PDOF). The differences in imaging parameters and prognosis changes of pre-operation, post-operative and follow-up endpoint were analyzed. Results The incidence rate of KD was 10.02% (67/668) in vertebral compressibility fracture. 80.60% of patients underwent PVP/PKP, 14.93% underwent PPSF, and 4.47% underwent PDOF. The significant differences between the actual used surgical methods and the classification recommended surgical strategies could be found. In I type, there was no significant difference in total improvement of the radiography data and clinical efficacy between PVP and PKP. In II type, there was a significant correlation between opening and closing sign (OCS) and surgical choice. Compared with PPSF, the positive OCS patients who underwent PVP/PKP suffered a poor prognosis. PDOF is an effective surgical method for type III, but PVP could also achieve a good prognosis for patients with poor condition. Conclusion The mainstream KD classification system has shortcomings, and completely following its treatment strategy may lead to poor prognosis. Compared to PKP, PVP is a better choice for type I patients. OCS is one of the important factors in surgical selection for type II patients. The Li’s type III is mainly treated with PDOF but the overall condition of the body needs to be evaluated.

The prognoses of patients who undergo open spinal endoscopy (OSE) decompression significantly differ by scoliosis type and symptom despite the use of uniform standards and procedures for the decompression surgery. These differences may be directly related to the selection and formulation of surgical strategies but their cause remains unclear. The aim of this study was to verify and evaluate the efficacy of the \"Symptom, Stenosis and Segment classification (SSS classification)\" in determining an appropriate surgical strategy and to analyze the differences in the outcomes of different patients after receiving the selected surgical strategy. The results of this study ultimately provide a theoretical basis for the specific optimization of surgical strategies guided by the \"SSS classification\". This work was a retrospective study. We reviewed 55 patients with scoliosis and spinal stenosis who underwent \"pear-shaped\" decompression under OSE from May 2021 to June 2023 treated by our surgical team. To classify different types of patients, we defined the \"SSS classification\" system. The permutation and combination of subtypes in Symptom (including three subtypes: Convex = v, Concave = c and Bilateral = b), Stenosis (including three subtypes: Convex = v, Concave = c and Bilateral = b), and Segment (including two subtypes: Edge = e and Inside = i) yields 18 possible types (details in Table 1) in this classification system. To classify different types of surgeries, we also defined the operation system. The VAS Back and VAS Leg scores after surgical treatment were significantly lower in all patients 3 months after surgery than before surgery. (**P < 0.05). The Svve type accounted for the greatest proportion of patients (62.50%) in the VAS back remission group, and the Scce type accounted for the greatest proportion (57.14%) in the VAS back ineffective group. According to the VAS leg score, the percentage of patients in whom Svve was detected in the VAS leg remission group reached 60.87%, and the percentage of patients in whom Svve was detected in the VAS leg ineffective group reached 44.44%. Svve accounted for the greatest proportion of cases (61.22%) in the JOA-effective group, and Scce accounted for the greatest proportion of cases (50.00%) in the JOA-ineffective group. In the JOA-effective group, the Ovv type accounted for the greatest proportion (up to 79.59%), while in the JOA-ineffective group, Occ and Ovv accounted for 50.00% of the cases each. The proportions of Svve type were the highest in the healthy group (up to 60.00%) and the ODI-effective group (up to 50.00%). The Ovv type accounted for the greatest proportion of patients in the ODI-effective group (up to 80.00%), and the Occ type accounted for the greatest proportion of patients in the ODI-ineffective group (up to 60.00%). Most of the surgical plans formulated by the \"SSS classification\" method were considered appropriate, and only when the symptoms of patients were located on the concave side did the endoscopic decompression plan used in the present study have a limited ability to alleviate symptoms.

Abstract BACKGROUND Spinal schwannoma is a common benign tumor. However, the high recurrence rate and incidence of surgical complications are unsolved problems. OBJECTIVE To propose a morphological classification of spinal schwannoma based on tumor-membrane relationships to increase the gross total resection (GTR) rate and to decrease the incidence of surgical complications. METHODS Histological techniques were used to study 7 adult cadavers. Following picrosirius staining, the membranes around the nerve root were observed under a microscope. Data from 101 patients with spinal schwannoma were also collected for clinical analysis. RESULTS The sleeve around the spinal nerve root consisted of dura and arachnoid tissues. The space between them gradually narrowed and fused at the proximal pole of the nerve root ganglion. Spinal schwannomas were divided into 4 types based on membranous structure: intrapial (type I), subarachnoidal (type II), intra- and extradural (type III), and extradural growth (type IV). Types II and III were further subdivided into 2 subtypes. GTR was achieved in all patients (100%), with no tumor recurrence during follow-up. Overall functional status significantly improved postoperatively. A total of 59 patients (92%) showed improvement or significant improvement postoperatively. There was no difference in surgical outcomes among the tumor classifications (P = .618). No intraoperative vertebral artery injuries or postoperative cerebrospinal fluid fistula occurred. CONCLUSION Spinal schwannoma classification based on a membranous hierarchy provides an intuitive platform for preoperative planning and intraoperative safety. This classification scheme may help surgeons better define surgical goals and anticipate or even avoid complications from resection.

BackgroundAdvances in microscopic and endoscopic surgical techniques have outpaced traditional classification and transcranial surgical strategies, especially with reference to the treatment of trigeminal schwannomas (TSs). A modified TS classification is proposed and appropriate surgical strategies are discussed.MethodsThe cases of 93 patients who underwent surgical treatment in Beijing Tiantan Hospital in the previous 6 years were analyzed retrospectively, and a literature review was conducted.ResultsClassification is based on surgical direction. Tumors were classified as follows: type A, backward orientation, located in the orbit or orbit and middle cranial fossa (8 cases, 8.6%); type B, upward orientation, located in the pterygopalatine fossa, infratemporal fossa or pterygopalatine fossa, infratemporal fossa, and middle cranial fossa (23 cases, 24.7%); type C, forward and backward orientations, located in the middle cranial fossa, posterior cranial fossa or both (58 cases, 62.4%); and type D, located in multiple regions (4 cases, 4.3%). 91.40% of patients underwent gross total resection (GTR) with 29 cases receiving endoscopic resection of whom 93.10% (27/29) experienced GTR.ConclusionThe 93 cases were satisfactorily divided into four types, according to tumor location and surgical orientation, enabling safe and effective removal by appropriate surgery.

Purpose To analyze of the results of spine surgical treatment of athletes with lumbar degenerative disease and development of a surgical strategy based on the preoperative symptoms and radiological changes in the lumbar spine. Methods For 114 athletes with lumbar degenerative disease were included in the present study. Four independent groups were studied: (1) microsurgical/endoscopic discectomy (n = 35); (2) PRP therapy in facet joints (n = 41); (3) total disc replacement (n = 11); (4) lumbar interbody fusion (n = 27). We evaluated postoperative clinical outcomes and preoperative radiological results. The average postoperative follow-up was 5 (3;6), 3.5 (3;5), 3 (2;4) and 4 (3;5) years, respectively. The analysis included an assessment of clinical outcomes (initial clinical symptoms, chronic pain syndrome level according to the VAS, quality of life according to the SF-36 questionnaire, degree of tolerance to physical activity according to the subjective Borg Rating of Perceived Exertion Scale) and radiological data (Dynamic Slip, Dynamic Segmental Angle, degenerative changes in the facet joint according to the Fujiwara classification and disc according to the Pfirrmann classification; changes in the diffusion coefficient using diffusion-weighted MRI). Results The median and 25–75% quartiles timing of return to sports were 12.6 (10.2;14.1), 2.8 (2.4;3.7), 9 (6;12), and 14 (9;17) weeks, respectively. We examined the type of surgical treatment utilized, as well as the preoperative clinical symptoms, severity of degenerative changes in the intervertebral disc and facet joint, the timing of return to sports, the level of pain syndrome, the quality of life according to SF-36, and the degree of tolerance to physical activity. We then developed a surgical strategy based on individual preoperative neurological function and lumbar morphological changes. Conclusions In this retrospective study, we report clinical results of four treatment options of lumbar spine degenerative disease in athletes. The use of developed patient selection criteria for the analyzed surgical techniques is aimed at minimizing return-to-play times.

BackgroundLTCBDE combined with or without modified techniques is safe and efficacious for the management of gallstones and concomitant, even large, common bile duct (CBD) stones.MethodsTo describe the surgical indications and procedure strategies of laparoscopic transcystic common bile duct exploration (LTCBDE), a retrospective analysis of 205 patients with concomitant gallstones and CBD stones treated using LTCBDE between June 2008 and June 2015 was performed. Clinical data on disease characteristics, methods for cystic duct incision and CBD stone extraction (with or without laser lithotripsy), and surgical outcomes were collected and reviewed.ResultsCBD stones were successfully cleared in all patients. No patient was converted to choledochotomy or laparotomy. The cystic duct diameter ranged 3–8 mm, and 85 patients with cystic duct diameter ≥ 5 mm. The mean time for CBD stone extraction was 25.3 min, with the operative time ranged from 63 to 170 min. Lithotripsy was used in 74 (36.1%) patients among which 26 patients with cystic duct diameter ≥ 5 mm. Estimated blood loss during surgery was 10–120 ml per patient, and no intra-operative blood transfusions were needed. The mean postoperative hospital stay was 5.1 (range 3–7) days, and postoperative complications developed in seven patients. No bile duct injury, stricture, remnant, recurrent stones, or other adverse events were observed during the mean follow-up of 8 months.ConclusionsBased on preoperative MRCP and intra-operative IOC findings about cystic duct diameter, the diameter of CBD, CBD stone size, we summarized and proposed the surgical indications and suitable techniques and strategies during LTCBDE.

Background Patients with simultaneous ruptures of the patellar tendon (PT) and anterior cruciate ligament (ACL) underwent PT repair and ACL reconstruction in a single or staged surgery. However, due to the limited cases, the design of previous studies was mostly case report with varying conclusions regarding recommended surgical strategy selection, the optimal surgical strategy remains a subject of debate. Methods We conducted a retrospective case series and literature review, including 10 cases from local institution and 27 cases from 17 studies. Demographic information, injury causes, surgical strategies, combined injuries, whether to return to (pre-injury level) sports, postoperative complications, Lysholm score and International Knee Documentation Committee (IKDC) score were identified retrospectively or reviewed from previous studies. The Fisher’s exact test was used to compare the incidence of postoperative complications between different surgical strategy groups, and linear logistic regression was used to analyze factors influencing postoperative knee function scores. Results Of the 37 patients, 15 patients (40.5%) underwent single surgery and 22 patients (59.5%) underwent staged surgery. Postoperative complications occurred in 5 (33.3%) patients after single surgery and in none after staged surgery, with the former being significantly more frequent than the latter ( P  = 0.007). Linear regression of postoperative knee function scores showed that surgical strategy did not significantly affect postoperative Lysholm and IKDC scores ( P  = 0.327 and P  = 0.348, respectively). Conclusions This study demonstrates that staged surgery significantly reduces postoperative complications compared to single surgery in patients with simultaneous PT and ACL ruptures and should be considered the preferred approach, especially when an expedited return to sports is not a priority.