Additional Surgery Research Articles

Lymphatic Fistula Treatment: Indocyanine Green Lymphography-guided Microsurgery

Background: Lymphatic fistulas are a common complication from surgery or interventional procedures resulting in persistent lymphatic leakage and delayed wound healing. The management of lymphatic fistula remains a subject of debate, ranging from conservative treatment to surgical lymphatic ligation. The implementation of a novel microsurgical approach involving lymphatic fistula ligation and/or lymphovenous anastomosis (LVA) using indocyanine green (ICG) lymphography is expected to decrease occurrence and complications. In this study, we share our experience in treating lymphatic fistula–guided microsurgical treatment. Methods: A total of 13 patients from our hospital with persistent lymphatic fistula were enrolled in this retrospective study. Lymphatic fistulas and their leakages were identified and ligated by using ICG lymphography and a surgical microscope. In two cases, additional LVA surgery was performed. Results: We were able to precisely identify lymphatic fistulas and treat them in all 13 patients. Lymph ligation was performed in all 13 cases, with additional distal LVA in two cases. In all patients, wound healing occurred following lymphatic ligation, except in one patient due to persistent infection. Patients with a lymphatic fistula were referred to our unit within 3 weeks to 1 year after onset, with an average consultation occurring after 5 months of persistent lymphatic fistula. Conclusions: Targeted lymphatic vessel ligation with or without LVA with ICG-guided surgical microscope represents a promising highly efficacious therapy for persistent lymphatic fistula. This technique may accelerate wound healing and reduce hospitalization duration, thus advocating for its preferential use in managing lymphatic fistulas.

Parental regret following decision for sons to undergo elective post-neonatal circumcision

The reasons for performing a circumcision among males after the neonatal period are usually cultural or medical. We aimed to evaluate parental regret for providing consent and to identify factors associated with such regret. Included were the parents of males aged 6 months to 18 years who underwent circumcision under general anesthesia at a single center between 2/2017 and 01/2023. Those who underwent additional surgical procedures during the same session were excluded. Parents responded telephonically to the Decision Regret Scale (DRS) questionnaire. Regret was classified as none (0 points), mild (1-25) or moderate-to-strong (26-100). Surgical and demographic data were retrieved for comparison to DRS scores and identification of predictors of parental regret. In total, 201 of the 265 suitable patients met the inclusion criteria. Parents of 130 patients (65% response rate) whose average age was 5.06 (IQR 1.58,7.53) years completed the DRS questionnaire (study group). The average time since surgery was 41.8 (IQR 25.4,59.3) months. Forty surgeries were undertaken for cultural reasons and 90 for medical considerations. Eighteen parents reported regret (15 mild and 3 moderate-to-strong) for their decision to consent to their son's circumcision. The time from responding since surgery was the only significant variable in the DRS scores, with a 33-month gap predicting no regret (p=0.02 compared to shorter gaps). The reasons for circumcision did not significantly differ between the "regret" and "no-regret" groups (p=0.23). Our current investigation revealed a lower incidence of parental regret when compared to previous reports following distal hypospadias repair, likely attributable to the lower complication rate associated with circumcision. Our data reflect the experience of a single center in a country where neonatal male circumcision is routinely performed for cultural and religious reasons, thus precluding the generalization of our findings to places where post-natal circumcision is less commonplace. Consent to their son's post-neonatal circumcision was regretted by 13.8% of parents. Time since surgery significantly influenced the reduction of their negative attitudes.

Change in Axial Length and Astigmatism after Scleral Buckling in Patients of Rhegmatogenous Retinal Detachment

Purpose: To determine changes in axial length and corneal astigmatism caused by scleral buckling in patients of uncomplicated retinal detachment undergoing scleral buckling procedure. Study Design: Quasi-experimental design. Place and Duration of Study: Peshawar Medical College and Allied hospitals, Pakistan from December, 2020 to May, 2021. Methods: This study included60 patients of uncomplicated rhegmatogenous retinal detachment, recruited through consecutive sampling technique and managed with primary scleral buckling. After a detailed history and complete examination including A-scan and Keratometric readings, patients underwent scleral buckling procedure. Changes in axial length and corneal curvatureswere measured at 6 months follow up. Quantitative analysis was done using paired T test. Results: Mean age of the sample was 41.95±13.67 years. The sample consisted of 42 males and 18 females. Encircling Band was used in 46 patients, segmental circumferential tire was used in 58 patients in one or more quadrants depending on the extent of the retinal detachment. Two patients underwent additional surgeries. The pre-operative mean axial length (AL) was 23.44±1.51 mm and post-operative AL at 6 months was 24.25±1.61mm (p < 0.05). The pre-operative and post-operative astigmatism were 1.08±0.43 and 1.75 ± 0.33 diopter respectively (p < 0.05). Conclusion: Scleral buckling led to a significant increase in axial length and astigmatism over a 6-month period. These changes suggest that scleral buckling can alter the optical properties of the eye, potentially affecting visual acuity and requiring careful consideration of these factors in post-operative management.

Surgical results in patients with CNS lymphoma. Comparison of predictive value of intraoperative MRI and intraoperative histological examination for diagnostic biopsy yield

IntroductionCentral nervous system lymphoma poses significant diagnostic challenges, with stereotactic biopsy being the gold standard for diagnosis. Intraoperative magnetic resonance imaging and intraoperative histological examination are utilized to enhance biopsy yield, yet their comparative efficacy remains unclear. Research questionThis study aims to compare the diagnostic yield of intraoperative magnetic resonance imaging and intraoperative histological examination in stereotactic brain biopsies for central nervous system lymphoma. Materials and methodsA retrospective analysis was conducted on 115 patients who underwent stereotactic brain biopsies for central nervous system lymphoma. Diagnostic accuracy, sensitivity, specificity, positive predictive value, and negative predictive value of intraoperative magnetic resonance imaging and intraoperative histological examination were assessed and compared. ResultsOut of 125 surgeries, frameless biopsies were the most common, accounting for 74.4 percent. Intraoperative magnetic resonance imaging demonstrated a sensitivity of 80.00 percent and a specificity of 98.51 percent (AUC = 0.893, p = 0.004), whereas intraoperative histological examination showed a sensitivity of 66.67 percent and a specificity of 59.09 percent (AUC = 0.629, p = 0.459). Discussion and conclusionsThe study emphasizes the critical role of intraoperative examinations, thus improving precision and diagnostic yield in the surgical management of central nervous system lymphoma. Intraoperative magnetic resonance imaging outperforms intraoperative histological examination in terms of sensitivity and specificity for confirming positive biopsy yields in central nervous system lymphoma, thereby reducing the need for additional surgeries. These findings support the routine use of intraoperative magnetic resonance imaging in the surgical strategy for central nervous system lymphoma to improve diagnostic accuracy and patient outcomes.

Revision of leaking bleb with sterile cord wall amniotic membrane graft

To report the use of a devitalized, dehydrated human cord wall amniotic membrane to repair a late bleb leak with a scleral defect occurring long after a trabeculectomy. A 32-year-old woman presented with a bleb leak and underlying scleral thinning at the site of a trabeculectomy performed 10 years previously, inducing severe ocular hypotony. The bleb leak was persistent after multiple surgeries, including a conjunctival flap and lyophilized amniotic membrane grafting. A lyophilized cord wall amniotic membrane graft (SclerFIX®, TBF Genie Tissulaire, Mions, France) was used to repair the bleb. At 6 months postoperatively, the graft was intact, the bleb was formed, and no leakage was noted. The intraocular pressure was 12 mmHg. Cord wall amniotic membrane grafting appears to be useful for revision of a leaking bleb. It is simple and quickly accessible, requiring no additional surgery. Further studies with larger sample sizes would be ideal to confirm this result.

Ceramic-on-ceramic vs metal-on-crosslink polyethylene in a fully hydroxyapatite-coated total hip arthroplasty: Survivorship, complications and long-term results

BackgroundFew studies compare complications and results in ceramic-ceramic (CeCe) vs metal-on-crosslink polyethylene (Me-XLPE) hip prosthesis. MethodsProspective, non-randomized, observational analysis of 2 series of hydroxyapatite-coated Furlong Active implanted with identical protocol by 1 surgeon in 1 hospital from 2006 to 2014. Bearing surfaceCeCe (Biolox Forte/Delta) in 35 cases of 53.7 ± 10.6 years (25–69) (21 males, 60 %), Me-XLPE in 65 of 69.0 ± 8.9 years (42–81) (36 males, 55 %); age was different (p < 0.00001), but not sex (p = 0.6565). Head diameter: 28 mm in 19, 32 mm in 9 and 36 mm in 7 CeCe hips; 28 mm in 63, 32 mm in 1 and 36 mm in 1 Me-XLPe hips. Follow-up10.5 ± 3.1 years (1–15) in ceramic, 9.8 ± 3.8 years (2–15) in Me-XLPE. ResultsSurvivorship without additional surgery or closed reduction at 15 years: 91.0 % in ceramic, 83.8 % in Me-XLPE joints. Survivorship without component exchange at 15 years: 93.9 % in ceramic, 93.6 % in Me-XLPE joints. ComplicationsCeCe joints suffered 2 infections, 1 isolated dislocation, and 1 Vancouver-C fracture. Me-XLPE joints presented 2 infections (p = 0.6101), 5 isolated (p = 0.6621) and 2 recurrent dislocations (p = 0.5454), and 4 Vancouver-B fractures (p = 0.6548).At final follow-up, Harris Hip Score averaged 93.2 ± 13.7 (23–100) in ceramic and 94.3 ± 8.7 (65–100) in XLPE joints (p = 0.64552).Measured radiographic wear reached 0.06 ± 0.38 mm (0–1.5) (0.0057 mm/year) in CeCe and 0.16 ± 0.5 mm (0–2) (0.0163 mm/year) in Me-XLPE (p = 0.30302). At final radiographic follow-up, osteolysis was present in 8 Charnley-De Lee zones (6 patients) (17 %) of ceramic cups and in 25 zones (15 patients) (23 %) of XLPE cups (p = 0.980127). ConclusionAt 10 years follow-up, metal-XLPE and ceramic-ceramic joints in Furlong-H-A.C. Active present no significant differences in complications, clinical score, wear, acetabular osteolysis, or survivorship without component exchange.Nevertheless, survivorship without any surgery or closed reduction is different because of the high rate of dislocation in 28 mm metal-poly joints.

Lower extremity osseointegration — a review of the current experiences and expectations

Transcutaneous osseointegration for amputees (TOFA), an alternative approach to limb-loss rehabilitation, offers an enhanced quality of life and mobility, overcoming some challenges associated with amputation. This review presents evolution, surgical techniques, patient selection principles, and outcomes associated with TOFA. Notable points include the recognition that press-fit osseointegration techniques and implants achieve the quality of life and mobility improvements with a single surgical episode. Infection remains the most common adverse event, but uncommonly requires additional surgery, and rarely requires implant removal. Press-fit osseointegration has proven suitable for rehabilitating a broad range of patients with pelvic, transfemoral, or transtibial amputation performed to manage trauma, cancer, infection, chronic pain, and deformity. This technigue is safe for patients with vascular disease, diabetes mellitus, short residual bones, and osteoporotic residual bones. This article serves as a central resource for understanding the principles and techniques of osseointegration.

Fifty free flaps from the ear

Reconstruction of facial and intraoral defects is often challenging. Local pedicled flaps may not always be available and distant free flaps usually have suboptimal color match and texture for the facial area. The aim of this study was to assess whether auricular free flaps are a valid reconstructive option. Clinical data and outcomes of patients who underwent reconstruction with microsurgical flaps from the ear between 2011 and 2021 were analyzed. Patient demographic data, type of flaps, etiology, location and size of the defect, features of the pedicle and recipient vessels, complications, and additional surgeries were reviewed. Overall, 48 patients with 50 microsurgical flaps were identified. Thirty-one patients (65%) were men and 17 were (35%) women. The median age was 62 years. Among the 50 flaps, 26 (52%) were helix flaps, 20 (40%) were temporal artery posterior auricular skin flaps, and 4 (8%) were extended helix flaps. The nose was the most frequently reconstructed region (n=32, 64%), followed by the tongue (n=6, 12%), floor of the mouth (n=5%), lower eyelid (n=2%), and in one (2%) patient each, restoration of the upper eyelid, ear, larynx, esophagus, lower lip, and palate. The median follow-up was 74 months. Three flaps (6%) were lost, and the overall rate of complications was 46%. Surgical intervention was required in 7 (14%) cases. All cases healed with acceptable cosmesis. The ear is a valuable source of tissue for complex reconstructions of the face and intraoral regions. However, this technique is surgically demanding and should be reserved for selected cases.

Effective factors on postoperative 30–90 and 360-day mortality in non-small cell lung cancer

PurposePostoperative mortality and morbidity are serious problems, and the identification of risky patient groups will reduce mortality and morbidity rates. The aim of our study was to determine the mortality at 30, 90, and 360 days in patients who underwent surgical resection for non-small cell lung cancer (NSCLC). MethodsIn this single-center retrospective study, 935 patients who were operated on for NSCLC were included. Demographic characteristics, laboratory data, tumor characteristics, surgical method used, type of resection, postoperative complications, and the relationship between 30, 90, and 360-day mortality were analyzed. ResultsIn-hospital mortality was observed in 21 (2.2 %) of the 935 patients; the 30-90-360-day mortality rate was respectively 3 %, 4.9 %, and 12.1 %. The 30- and 90-day mortality rates were close (3 %, 4.9 % respectively), and the only difference was the additional surgical procedure. The common factors that increased 30-, 90-, and 360-day mortality were advanced disease stage, additional surgical procedure, length of stay longer than 7 days, low % forced vital capacity (FVC), presence of comorbidities, presence of postoperative complications, and pneumonectomy. ConclusionIn this study, 30-, 90-, and 360-day mortality rates and common and independent risk factors affecting mortality were determined. Although 30-day mortality is the most often utilized time period for assessing postoperative mortality, 90-day mortality can be used to predict postoperative mortality following a major surgical procedure. Preoperative mortality and morbidity are expected to decrease with more detailed preoperative examination of high-risk patients and special follow-up programs in the postoperative period.

Phacoemulsification with Either Endocyclophotocoagulation or Ab-Interno Canaloplasty with or without Trabeculotomy in Uveitic Glaucoma

ABSTRACT Purpose Understanding the current role and efficacy of endocyclophotocoagulation (ECP) compared to ab-interno canaloplasty with or without trabeculotomy (OMNI), combined with cataract extraction and lens implantation (CEIOL), for the management of uveitic glaucoma (UG) is limited. Methods All UG patients ≥18 years old with ≥6 months of follow-up data (15.2 ± 5.9 months) after CEIOL combined with either ECP or OMNI from August 2019 to May 2022 at a single academic center were retrospectively reviewed [22 eyes of 15 patients (8 ECP, 14 OMNI)]. Surgical success was considered intraocular pressure (IOP) ≤21 mmHg and a reduction of baseline by ≥20% for two consecutive final visits without hypotony, additional surgery, or loss of light perception. Uveitic control was considered a <2-step increase in anterior chamber (AC) cell grade, <3+ AC cell grade, and no increase in steroid drop use at 3 months postoperatively. Secondary outcome measurements included postoperative change in IOP, glaucoma medications, best corrected visual acuity (VA), AC cell grade, and steroid drop frequency. Results Baseline ocular and preoperative characteristics of eyes (age, sex, laterality, uveitic location, systemic immunomodulating therapy, visual acuity, IOP, number of glaucoma medications, AC cell grade, and steroid drop frequency) did not significantly differ except for greater racial diversity in the ECP group. 62.5% eyes were surgically successful in the ECP group and 85.71% in the OMNI. Between-group analysis showed greater IOP reduction in the OMNI group (p < .05), but no difference in reduction of glaucoma medications (p = .33). No eyes displayed a two-step increase in or >3+ AC cell grade, however, 50% and 64.29%, respectively, increased steroid drop use. Between groups, no difference in the change of AC cell grade (p = .98) or steroid drop use (p = .84) was seen. Conclusions Both interventions improved visual acuity, IOP, and glaucoma medication use, however, OMNI was more successful at reducing IOP long term. An increase in steroid drop frequency may be the cost of a prolonged post-surgical inflammatory course related to underlying uveitis regardless of surgical approach.

Comparison between OK-432 and Talc for pleurodesis in patients with persistent pulmonary air leak: a Japanese nationwide retrospective database study.

OK-432 (Picibanil®) and talc are used in patients with persistent pulmonary air leaks. However, it is unclear which of these two agents is more effective. This retrospective study used data from the Japanese Diagnosis Procedure Combination inpatient database. Patients with pneumothorax who underwent chemical pleurodesis between July 2010 and March 2022 were included in this study. The patients were categorized into two groups: the OK-432 and talc groups. The primary outcome measure was treatment failure, defined as a composite of requirement for additional surgical procedures, bronchoscopic interventions, or chemical pleurodesis. The secondary outcome measures were in-hospital mortality, length of hospital stay, 30-day readmission, and incidence of interstitial lung diseases after hospitalization. To compare the outcomes between the groups, 1:4 propensity score matching was conducted. Among the 4179 eligible patients, 3551 and 628 patients underwent chemical pleurodesis using OK-432 and talc, respectively. Propensity score matching yielded 2508 and 627 patients who underwent chemical pleurodesis using OK-432 and talc within seven days of admission, respectively. The frequency of treatment failure in the talc group (37.5% vs. 31.4%; P = 0.006) was lower than that in the OK-432 group with no significant differences in other outcomes. Medical professionals can consider talc as the initial pleurodesis agent for patients with persistent air leaks.

Efficacy of a whole slide image-based prediction model for lymph node metastasis in T1 colorectal cancer: A systematic review.

Accurate stratification of the risk of lymph node metastasis (LNM) following endoscopic resection of submucosal invasive (T1) colorectal cancer (CRC) is imperative for determining the necessity for additional surgery. In this systematic review, we evaluated the efficacy of prediction of LNM by artificial intelligence (AI) models utilizing whole slide image (WSI) in patients with T1 CRC. In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, a systematic review was conducted through searches in PubMed (MEDLINE), Embase, and the Cochrane Library for relevant studies published up to December 2023. The inclusion criteria were studies assessing the accuracy of hematoxylin and eosin-stained WSI-based AI models for predicting LNM in patients with T1 CRC. Four studies met the criteria for inclusion in this systematic review. The area under the receiver operating characteristic curve for these AI models ranged from 0.57 to 0.76. In the three studies in which AI performance was compared directly with current treatment guidelines, AI consistently exhibited a higher area under the receiver operating characteristic curve. At a fixed sensitivity of 100%, specificities ranged from 18.4% to 45.0%. Artificial intelligence models based on WSI can potentially address the issue of diagnostic variability between pathologists and exceed the predictive accuracy of current guidelines. However, these findings require confirmation by larger studies that incorporate external validation.

Awake Craniotomy in Epilepsy Surgery: A Case Series and Proposal for Three Different Scenarios.

Awake craniotomy (AWC) allows intraoperative evaluation of functions involving the cortical surface and subcortical fibers. In epilepsy surgery, indications for and the role of AWC have not been established because evaluation with intracranial electrodes is considered the gold standard. We report herein our case series of patients who underwent AWC in epilepsy surgery and propose the scenarios for and roles of AWC. Patients who underwent AWC in epilepsy surgery at our institutions between 2014 and 2023 were included. Information about age, sex, etiology, location of epileptogenicity, seizure type, use of intracranial electrode placement, surgical complications, neurological deficits, additional surgery, and seizure outcomes was reviewed. Following a diagnostic and treatment flow for epilepsy surgery, we clarified three different scenarios and roles for AWC. Ten patients underwent AWC. Three patients underwent AWC after non-invasive evaluations. Two patients underwent AWC after intracranial evaluation with stereotactic electroencephalography (SEEG). Five patients underwent AWC after intracranial evaluation with subdural grid electrodes (SDG). Among these, two patients were initially evaluated with SEEG and with SDG thereafter. One patient reported slight numbness in the hand, and one patient showed slight cognitive decline. Seizure outcomes according to the Engel outcome scale were class 1A in three patients, IIA in two patients, IIIA in four patients, and IVA in one patient. AWC can be used for purposes of epilepsy surgery in different situations, either immediately after non-invasive studies or as an additional invasive step after invasive monitoring with either SEEG or SDG. The application of AWC should be individualized according to each patient's specific characteristics.

Clinical Experience in the Management of the Polyacrylamide Hydrogel (PAAG) Associated Complications Including Four Breast Cancer Cases: A Retrospective Study of 135 Cases.

Complications often arose after polyacrylamide hydrogel (PAAG) injections for breast augmentation. This study aimed to explore the complications and clinical management of breast augmentation with PAAG. We retrospectively analyzed the data of 135 patients who underwent breast PAAG removal from January 2011 to December 2023 in our hospital. We also comprehensively analyzed the postoperative clinical results, subsequent complications, and clinical management after PAAG injections. Induration and nodules (60.0%), pain (27.4%), anxiety (22.2%), migration (13.3%), asymmetry (8.1%), swelling (5.9%), infection (5.2%), calcification (3.7%), and breast cancer (BC) (3.0%) were a few complications after PAAG injections. Although breast cancer was a rare complication, it might be covered up by PAAG tissue. Eighty-eight patients had undergone PAAG removal, while 47 patients had additional breast reconstruction surgery. The post-surgical complications included PAAG residue (17.0%), skin laxity (7.4%), hemorrhage (2.2%), reoperation (1.5%), and nipple or breast asymmetry (1.5%). Additionally, the BREAST-Q scores revealed that patients with breast reconstruction had a significant better outcomes in psychosocial well-being (p < 0.001), satisfaction with breasts (p < 0.001), and sexual well-being (p = 0.008). Multiple complications could occur after PAAG injections for breast augmentation. Although rare, BC might need more clinical attention. PAAG removal could alleviate some complications, and breast reconstruction contributed to improved patient satisfaction, psychosocial well-being,and sexual well-being. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

Economic burden of pelvic sepsis after anastomotic leakage following rectal cancer surgery: A retrospective cost-of-illness analysis.

Anastomotic leakage following rectal cancer surgery remains a challenging complication, with a nonhealing rate of approximately 50% at 1 year. Pelvic sepsis may require tertiary treatment that encompasses additional admissions, extensive surgery and other types of interventions. The aim of this study is to analyse the financial burden of pelvic sepsis in a tertiary hospital. From 2010 until 2020, all patients referred to a tertiary centre for pelvic sepsis after low anterior resection for rectal cancer were prospectively registered and retrospectively reviewed. The cost analysis adhered to Dutch National Healthcare Institute guidelines and covered hospital-imposed medical costs from salvage surgery to the last registered intervention, adjusted for inflation and priced in euros. This analysis included 126 patients, with an average total cost per patient of €31 131. Salvage surgery accounted for €21 326, with an additional €9805 for reinterventions and readmissions. Salvage surgery comprised nonrestorative surgery in 48% and restorative salvage surgery in the remaining cases. Length of hospital stay averaged 9.6 days on the general ward and 0.8 days in the intensive care unit. Common reinterventions included endoscopic vacuum sponge changes (n = 153), stoma closures (n = 59) and radiological abscess drainages (n = 51). Total costs did not differ significantly between nonrestorative surgery and restorative surgery (mean = €31 950 vs. €30 362, respectively; p = 0.893). Treating pelvic sepsis after rectal cancer resection in a tertiary hospital carries a substantial economic burden, averaging €31 131 per patient, and this work helps to quantify the potential economic impact of innovative care to reduce anastomotic leakage.

Minimally-invasive trans-facet lumbar interbody fusion using a dual-dimension expandable cage: preliminary results of a multi-institutional retrospective study.

Minimally-invasive trans-facet lumbar interbody fusion (LIF) is an emerging technique that offers the advantages of being safe, enabling decompression, and facilitating patient recovery. An innovative cage that expands in two dimensions has been introduced to restore segmental lordosis and disc height while minimizing the risk of cage subsidence. This study aimed to report our surgical technique of trans-facet LIF utilizing the innovative cag and to report the early clinical outcomes. We retrospectively reviewed the medical records and radiographs of patients who underwent trans-facet LIF with dual-dimension expandable cages from two institutions: Duke University Hospital and Vail-Summit Orthopaedics and Neurosurgery. The analysis covered patient demographics, Oswestry Disability Index (ODI), visual analogue scale (VAS) for back pain, surgical data, complications, and radiographic parameters. Clinical outcomes were compared between pre- and one year post-operation, while radiographic outcomes were compared between pre- and three months post-operation. Twenty patients with a mean age of 61.2 years were included. Seventeen patients (85.0%) had spondylolisthesis, and L4/5 (68.2%) was the most common pathology level. Twelve patients (60.0%) underwent awake surgery, and the mean operative time was 164.5±36.1 minutes, with an estimated blood loss of 64.0±39.5 mL and a hospital stay of 1.75±1.2 days. Four patients (20.0%) experienced cage subsidence; however, none required additional surgery. The VAS score significantly improved from a preoperative average of 7.3±2.7 to 2.6±1.6 one year post-operation (P=0.02). The ODI score also showed a significant decrease, from 48.7±22.9 preoperatively to 16.4±11.1 one year postoperatively (P=0.03). Notably, 80% and 83.3% of patients achieved the minimum clinically important difference in VAS and ODI scores, respectively. The degree of spondylolisthesis was significantly reduced from a median of 5.9 mm preoperatively to 0 mm postoperatively (P<0.001). Additionally, both anterior and posterior disc heights significantly increased after surgery, from 9.8±4.7 to 15.1±2.6 mm (anterior) and from 4.9±3.3 to 10.5±2.2 mm (posterior) (P<0.001 for both). The mean segmental lordosis increased by 2.9 degrees and was associated with cage height (P=0.03), while spinopelvic parameters remained unchanged. Minimally-invasive trans-facet LIF with dual-dimension expandable cages demonstrates a substantial capacity for spondylolisthesis reduction and disc height restoration, and provides good short-term clinical outcomes. It may be the most appropriate method for deploying this large cage as it allows for a large, unobstructed pathway to the disc. However, future studies are needed to determine the long-term outcomes, including the arthrodesis rate.

Association between pathological T1 colorectal cancer with lymphoid follicular replacement and risk of lymph node metastasis

AbstractBackground and AimEndoscopic resection (ER) is widely performed to treat early colorectal cancer. However, additional surgery for pathological T1 colorectal cancer (pT1CRC) after ER is controversial because of the imprecise prediction of lymph node metastasis (LNM). Recently, several patients of pT1CRC with lymphoid follicular replacement (LFR) without LNM have been reported. This study aimed to investigate the clinicopathological features and risk of LNM in patients with pT1CRC with LFR.MethodsWe retrospectively analyzed patients who underwent ER or surgical resection and were diagnosed with pT1CRC between January 2010 and December 2020. We defined pT1CRC with LFR as the replacement of a part of the lymphoid follicular component within the submucosal area by adenocarcinoma, with no invasion into other submucosal areas.ResultsAmong the 600 eligible patients, the incidence rate of pT1CRC with LFR was 6.7% (40/600). Patients with pT1CRC with LFR represented 14.3% (37/258) of the endoscopically treated patients and 0.9% (3/342) of the surgically treated patients. For patients with pT1CRC with LFR, 80.0% (32/40) had flat and depressed lesions, and 35.0% (14/40) had submucosal invasion depth ≥1000 μm. Patients with pT1CRC with LFR had negative lymphovascular invasion, differentiated type, and budding grade 1. In the median follow‐up of 61 months, patients with pT1CRC with LFR had no LNM.ConclusionsThe presence of LFR in pT1CRC may be associated with a low risk of LNM. In patients with pT1CRC with LFR, follow‐up without additional surgery is possible even if the submucosal invasion depth is ≥1000 μm.

Endoscopic Submucosal Dissection for Early Gastric Cancer Exceeding Expanded Criteria-Long-Term Outcomes from the German ESD Registry.

Background and aims: Endoscopic submucosal dissection (ESD) has become a standard treatment for early gastric cancer (EGC), often fulfilling guideline criteria (GC) or expanded criteria (EC). When lesions exceed the EC, surgical resection is recommended. However, a subgroup of these patients are not treated surgically. The aim of this study was to investigate the long-term follow-up of patients after ESD for EGC outside the EC (out of indication; OI). Methods: Patients who were included in the prospective German ESD registry were analyzed when ESD was performed for EGC. Patients were stratified in three groups according to histopathological features (GC, EC and OI). The results were evaluated in terms of patient characteristics, procedure characteristics and follow-up data. Results: Over a 48-month period, 195 patients from 14 German centers were included. In total, 71 lesions (36.4%) met the guideline criteria, 70 lesions (35.9%) corresponded to the expanded criteria and 54 lesions (27.7%) turned out to be OI. The R0 resection rate was significantly higher for the GC and EC groups than for the OI group (94.4% vs. 84.3% vs. 55.6%, p < 0.001). Additional surgery was not performed in 72% (39/54) of patients in the OI group. During a mean follow-up of 37 months, overall survival showed no significant difference between the EC and OI groups when endoscopic follow-up was performed without additional surgery (p = 0.064). Conclusions: The results show that a good long-term survival can be achieved after ESD for patients with OI lesions without additional surgery. The treatment decision has to be made on an individual basis, taking the patient's comorbidities and the risk of surgical resection into account.

Epidemiology and Regional Variation in Additional Surgical Interventions for Children with Congenital Diaphragmatic Hernia: A Multi-institutional Analysis.

To determine practice variation in surgical management of co-morbidities in pediatric patients with Congenital Diaphragmatic Hernia (CDH). A higher percentage of CDH patients are surviving to discharge, accompanied by an increase in morbidity requiring surgical interventions such as tracheostomy and gastrostomy tube insertion. The frequency, trends, and regional variations in operative management of these co-morbidities in this population are unclear. Neonates who underwent CDH repair between 2012-2022 in the United States Pediatric Health Information System database were identified. Multivariable regression identified predictive factors for additional surgical morbidity after CDH repair, defined by an additional surgical intervention during index hospitalization or within one year after discharge. To narrow the spectrum of severity of disease, only patients with an intensive care unit admission on index hospitalization were included. Secondary analysis compared frequency of operations and hospital resource utilization by region. 4003 patients underwent CDH repair and were discharged from their index hospitalization. 1939 (48%) underwent at least one additional surgical procedure after the index CDH repair. Most performed surgeries were gastrostomy tube (28%), fundoplication (13%), and tracheostomy (5%). Covariates associated with additional surgical morbidity included: prematurity (OR 1.38; 95% CI: 1.20-1.59), cardiac co-morbidity (OR 1.31; 95% CI: 1.14-1.49), and chromosomal anomalies (OR 1.76, 95% CI: 1.30-2.40). Northeast (OR: 2.43; CI 1.42-3.52), Midwest (OR 2.11; 95% CI: 1.45-3.07), and South (OR 1.45, 95% CI 1.02-2.12) regions were associated with additional surgical morbidity. Patients who required additional surgical procedures had longer initial inpatient length of stays (71 versus 31d) and higher associated costs ($357,000 versus $161,000). Surgical morbidity exists in CDH patients after initial CDH repair. Counseling families on these outcomes is important in establishing expectations for management. Establishing guidelines for optimal surgical management will require continued reporting from multi-institutional studies.

Anterior Nasal Superior Oblique Tendon Syndrome: A Case Series

PurposeTo evaluate the clinical characteristics and management of patients with an anteriorly and nasally inserted superior oblique tendon. DesignRetrospective interventional case series. MethodsInstitutional clinical records between 2020 and 2024 were retrospectively reviewed for 9 consecutive patients in whom the superior oblique (SO) tendon was inserted anterior to the equator and nasal to the superior rectus muscle. Information collected included age, sex, ocular and surgical history, preoperative and postoperative data (ophthalmologic examinations, strabismus measurements, ductions and versions), intraoperative findings, need for additional surgery, and follow-up time. ResultsAll nine patients were found to have an anomalous insertion of the SO tendon. Three were of congenital origin and six were acquired following ocular surgery. Among the acquired cases, all but one resulted from incarceration of the tendon from post-surgical scar tissue formation. The remaining acquired case was due to a prior deliberate anterior and nasal transposition of the superior oblique. This case series demonstrated varying degrees of vertical deviations, lateral incomitance, and limited depression. Repositioning the SO to its normal insertion site yielded equivocal improvement in ocular alignment. ConclusionAnterior nasal superior oblique tendon syndrome is a rare clinical entity characterized by an anti-depressor effect. Vertical deviations, hypertropia worse in downgaze, limited depression worse in adduction for congenital cases and in abduction for acquired cases, and lateral incomitance may be indicative of this anomaly. In acquired cases following surgery, additional findings may include limited depression worse in abduction, esotropia in abduction, V-pattern esotropia, and enophthalmos in downgaze. Surgical repositioning of the SO along its normal anatomical trajectory is recommended for treatment. However, outcomes may be variable and achieving a complete resolution of this syndrome can be challenging.