Journal of Korean Neurosurgical Society最新文献

{"title":"Clinical Applicability and Safety of Conventional Frame-Based Stereotactic Techniques for Stereoelectroencephalography.","authors":"Junhyung Kim, Seok Ho Hong, Hyun-Jin Kim, Mi-Sun Yum, Tae Sung Ko, Yong Seo Koo, Sang-Ahm Lee","doi":"10.3340/jkns.2023.0246","DOIUrl":"10.3340/jkns.2023.0246","url":null,"abstract":"<p><strong>Objective: </strong>Stereoelectroencephalography (SEEG) is increasingly being recognized as an important invasive modality for presurgical evaluation of epilepsy. This study focuses on the clinical and technical considerations of SEEG investigations when using conventional frame-based stereotaxy, drawing on institutional experience and a comprehensive review of relevant literature.</p><p><strong>Methods: </strong>This retrospective observational study encompassed the surgical implantation of 201 SEEG electrodes in 16 epilepsy patients using a frame-based stereotactic instrument at a single tertiary-level center. We provide detailed descriptions of the operative procedures and technical nuances for bilateral and multiple SEEG insertions, along with several illustrative cases. Additionally, we present a literature review on the technical aspects of the SEEG procedure, discussing its clinical implications and potential risks.</p><p><strong>Results: </strong>Frame-based SEEG electrode placements were successfully performed through sagittal arc application, with the majority (81.2%) of cases being bilateral and involving up to 18 electrodes in a single operation. The median skin-to-skin operation time was 162 minutes (interquartile range [IQR], 145-200), with a median of 13 minutes (IQR, 12-15) per electrode placement for time efficiency. There were two occurrences (1.0%) of electrode misplacement and one instance (0.5%) of a postoperative complication, which manifested as a delayed intraparenchymal hemorrhage. Following SEEG investigation, 11 patients proceeded with surgical intervention, resulting in favorable seizure outcomes for nine (81.8%) and complete remission for eight cases (72.7%).</p><p><strong>Conclusion: </strong>Conventional frame-based stereotactic techniques remain a reliable and effective option for bilateral and multiple SEEG electrode placements. While SEEG is a suitable approach for selected patients who are strong candidates for epilepsy surgery, it is important to remain vigilant concerning the potential risks of electrode misplacement and hemorrhagic complications.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11540521/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141579998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing Professional Awareness of Informed Consent : Safeguarding the Rights of Patients and Practitioners.","authors":"Min Ji Kim","doi":"10.3340/jkns.2024.0121","DOIUrl":"10.3340/jkns.2024.0121","url":null,"abstract":"<p><p>Informed consent is a crucial communication process between doctors and patients for obtaining patients' approval before initiating medical treatment. It is derived from the legal principles of medical contracts and requires doctors to explain the treatment process to patients. Surgeons should be aware of informed consent not only to avoid unnecessary litigation risks but also to provide patients with the right to self-determination. The aim of the study is to help surgeons in Korea understand the legal doctrine on informed consent for practical application. This article reviews the legal doctrine of informed consent according to 5W1H-why, who, whom, what, when, and how-with judicial cases to communicate effectively with patients in clinical settings. Irrespective of the seniority and rank of a doctor, they have the responsibility to provide patients with the information required to protect their right to self-determination. Informed consent should be advanced for patients to consider, discuss with significant others, and determine whether or not to undergo medical treatment. At that stage, patients need to be informed of the necessity, risks, and so on. The most common method of informed consent is an oral explanation utilizing certain forms for documentation. However, the informed consent of patients can be exempted on certain occasions. Optimal informed consent, when implemented, leads to patient-centered care, which significantly improves patient satisfaction and outcomes. Ultimately, it not only protects doctors from litigation risks but also upholds patients' autonomy.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11540525/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Revisiting the Surgical Outcomes of Non-Acute Subdural Hematomas among Retired Military Personnel : A Single Tertiary Hospital Retrospective Analysis in the Philippines.","authors":"Leo E Trinidad, Rhoby U Orata","doi":"10.3340/jkns.2024.0099","DOIUrl":"https://doi.org/10.3340/jkns.2024.0099","url":null,"abstract":"<p><strong>Objective: </strong>Subdural hematomas (SDH) are classified clinically and/or radiologically as acute (ASDH), subacute (SSDH) and chronic (CSDH). The management differ depending on their classification, with only the ASDH having a definite accepted surgical guideline. Non-acute SDH, specifically SSDH and CSDH have no clear surgical guidelines but are managed similarly in some literature. This study was conducted to determine if there is a difference in outcomes among surgically managed non-acute SDH in a specific elderly population of retired military personnel.</p><p><strong>Methods: </strong>This is a pre-pandemic retrospective study that utilized data obtained from January 2016 to April 2019, in a subspecialty tertiary hospital that caters to retired military personnel or veterans, in the Philippines. After chart review and application of inclusion and exclusion criteria, twenty-one patients were included, all military retirees, with age 56 years old and above. Chart review and electronic database were retrieved to extract relevant information.</p><p><strong>Results: </strong>In this study, a term 'mixed-type subdural hematoma' (MSDH) was proposed to encompass SDH that have mixed hypo-and-hyperdensity on preoperative CT scan and were subsequently found to have bright red liquefied hematoma instead of the classic engine machinery oil fluid found in a CSDH. Based on the observed cohort, 9 out of 11 CSDH patients attained the Glasgow Outcome Scale Extended (GOS-E) score of 8 while all the respondents in the MSDH group attained the same GOS-E score underscoring the need for early intervention in patients with non-acute subdural hematoma. Moreover, the outcomes of both MSDH and CSDH are comparable with low mortality rate (~9.5%) and immediate postoperative improvement (~90%).</p><p><strong>Conclusion: </strong>MSDH and CSDH, although classified separately using clinical and/or radiologic means, can collectively be categorized as a non-acute SDH and can be managed safely and effectively with burr hole surgery.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142502180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative Analysis of Transcription Factors TWIST2, GATA3, and HES5 in Glioblastoma Multiforme : Evaluating Biomarker Potential and Therapeutic Targets Using In Silico Methods.","authors":"Suhmi Chung, Choonghyo Kim","doi":"10.3340/jkns.2024.0149","DOIUrl":"https://doi.org/10.3340/jkns.2024.0149","url":null,"abstract":"<p><strong>Objective: </strong>Glioblastoma multiforme (GBM) is characterized by substantial heterogeneity and limited therapeutic options. As molecular approaches to central nervous system (CNS) tumors have gained prominence, this study examined the roles of three genes, TWIST2, GATA3, and HES5, known to be involved in oncogenesis, developmental processes, and maintenance of cancer stem cell properties, which have not yet been extensively studied in GBM. This study is the first to present gene expression data for TWIST2, GATA3, and HES5 specifically within the context of GBM patient survival.</p><p><strong>Methods: </strong>Gene expression data for TWIST2, GATA3, and HES5 were collected from GBM and normal brain tissues using datasets from The Cancer Genome Atlas (TCGA) via the Genomic Data Commons (GDC) portal and the Genotype-Tissue Expression (GTEx) database. These data were rigorously analyzed using in silico methods.</p><p><strong>Results: </strong>All three genes were significantly more expressed in GBM tissues than in normal tissues. TWIST2 and GATA3 were linked to lower survival rates in GBM patients. Interestingly, higher HES5 levels were associated with better survival rates, suggesting a complex role that needs more investigation.</p><p><strong>Conclusion: </strong>This study shows that TWIST2, GATA3, and HES5 could help predict outcomes in GBM patients. Our multigene model offers a better understanding of GBM and points to new treatment options, bringing hope for improved therapies and patient outcomes. This research advances our knowledge of GBM and highlights the potential of molecular diagnostics in oncology.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142502179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neovascularization in Outer Membrane of Chronic Subdural Hematoma : A Rationale for Middle Meningeal Artery Embolization.","authors":"Yoori Choi, Won-Sang Cho","doi":"10.3340/jkns.2024.0155","DOIUrl":"https://doi.org/10.3340/jkns.2024.0155","url":null,"abstract":"","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142467664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Epidemiology and Functional Outcome of Acute Stroke Patients in Korea using Nationwide data.","authors":"Seungmin Shin, Young Woo Kim, Seung Hun Sheen, Sukh Que Park, Sung-Chul Jin, Jin Pyeong Jeon, Ji Young Lee, Boung Chul Lee, Young Wha Lim, Gui Ok Kim, Jae Sang Oh","doi":"10.3340/jkns.2024.0118","DOIUrl":"https://doi.org/10.3340/jkns.2024.0118","url":null,"abstract":"<p><strong>Objective: </strong>Korea's healthcare system and policy promotes early, actively stroke treatment to improve prognosis. This study represents stroke epidemiology and outcomes in Korea.</p><p><strong>Methods: </strong>This study investigated data from the Acute Stroke Assessment Registry. The registry collects data from over 220 hospitals nationwide, focusing on quality stroke service management. Data analysis included patient demographics, stroke severity assessment, and discharge prognosis measurement using standardized scales.</p><p><strong>Results: </strong>86,568 acute stroke patients were collected with demographic and clinical characteristics during 18 months from 2016 to 2021, focusing on acute subarachnoid hemorrhage, acute intracerebral hemorrhage, and acute ischemic stroke. Of these 86,568 patients, 8.3% was subarachnoid hemorrhage, 16.3% intracerebral hemorrhage, and 74.9% ischemic stroke. Trends showed decreasing subarachnoid hemorrhage and increasing intracerebral hemorrhage cases over the years. 68.3% stroke patients had the clear onset time. 49.6 % stroke patients arrived within 4.5 hours of symptom onset, with more treated at general hospitals. Good functional outcomes at discharge was obtained with 58.3% of acute stroke patients, 55.9% of subarachnoid hemorrhage patients, 34.6% of intracerebral hemorrhage patients, and 63.8% of ischemic stroke patients.</p><p><strong>Conclusion: </strong>The results showed that ischemic stroke was the most common subtype, followed by intracerebral hemorrhage and subarachnoid hemorrhage. Prognosis differed among subtypes, with favorable outcomes more common in ischemic stroke and subarachnoid hemorrhage compared to intracerebral hemorrhage.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integration of Palliative Care in Neurosurgical Critical Care : Insights from a Single-Center Perspective.","authors":"Nam Hee Kim, Yejin Kim, Se Yeon Kim, Hyoung Suk Han, Hye Yoon Park, Eun Jin Ha, Shin Hye Yoo","doi":"10.3340/jkns.2024.0065","DOIUrl":"https://doi.org/10.3340/jkns.2024.0065","url":null,"abstract":"<p><strong>Objective: </strong>Palliative care is a specialized approach designed to enhance the quality of life for both patients and their families, offering patient-centered care through comprehensive assessment and care planning. However, the integration of palliative care within neuro-critical care settings has been relatively understudied. This descriptive study aims to identify the characteristics, palliative care needs, and outcomes of patients referred to palliative care services during admission to the neurosurgical intensive care unit (NS-ICU).</p><p><strong>Methods: </strong>A retrospective analysis of adults admitted to the NS-ICU at a referral hospital between December 2019 and December 2021 was conducted. The study focused on those referred to the inpatient palliative care team with diagnoses of non-traumatic brain hemorrhage, traumatic brain injury, or brain neoplasm. Excluded were patients who died before palliative care consultation or lacked sufficient information. The investigation assessed demographic and clinical characteristics at consultation, along with post-consultation hospital outcomes derived from medical records and interview notes.</p><p><strong>Results: </strong>In this study involving 38 enrolled patients, the median age was 65, with 42.1% females. The most prevalent diagnosis was non-traumatic brain hemorrhage (47.4%). Reasons for palliative care consultation included psychosocial support (95%), goal-of-care discussions (68%), decision-making support (50%), and communication facilitation (39%). The median time from NS-ICU admission to consultation was 3.5 days (range: 1-8 days), and all interviews involved family members. Key decision topics encompassed mechanical ventilation (23.7%) and tracheostomy (21.1%). Patient preferences for life-sustaining treatment could be estimated in only 47.4% of cases, often resulting in treatment disagreement. Among the 38 patients, 26 (68.4%) died during admission. Before the consultation, full code status, partial code status, and comfort care alone were reported as 32%, 66%, and 2%, respectively; post-consultation, these figures shifted to 11%, 42%, and 47%, respectively.</p><p><strong>Conclusion: </strong>Palliative care was predominantly sought for psychosocial support and discussions concerning goals of care. Despite challenges in ascertaining patient treatment preferences, palliative care consultations proved invaluable in aiding family members and facilitating treatment decision-making. Our study suggests the potential integration of palliative care within neuro-critical care, contributing to a heightened utilization of comfort care at the end-of-life.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing and Charting the Future Path : Addressing the Decline of Brain Tumor Specialists in Korea - Insights from the Korea Brain Tumor Society (KBTS) Future Strategy Committee of 2023.","authors":"Joonho Byun, Kyeong-O Go, Kyung-Min Kim, Dong-Won Shin, Jihwan Yoo, Yeo Song Kim, Sae Min Kwon, Young Zoon Kim, Seon-Hwan Kim","doi":"10.3340/jkns.2024.0132","DOIUrl":"https://doi.org/10.3340/jkns.2024.0132","url":null,"abstract":"<p><strong>Objective: </strong>Although Republic of Korea is an advanced country in medical technology with a successful treatment rate for serious diseases, such as cancer, and has improved technology for highly difficult surgery, many excellent medical doctors and physicians are struggling due to the recent unreasonable medical environment. Specialization in brain tumor surgery also faces challenges in Republic of Korea, including low financial incentives, legal threats, and limited career prospects. In response, the Korea Brain Tumor Society (KBTS) formed the Future Strategy Committee to assess these obstacles and propose solutions.</p><p><strong>Methods: </strong>A survey was conducted among the KBTS members to understand their perceptions and concerns across different career stages.</p><p><strong>Results: </strong>The findings revealed a decline in interest among chief residents in brain tumor surgery, owing to limited job opportunities and income prospects. Neurosurgical fellows expressed neutral satisfaction but highlighted challenges, such as low patient numbers and income. Faculty members with varying levels of experience echoed similar concerns, emphasizing the need for improved financial incentives and job stability. Despite these challenges, the respondents expressed dedication to the field and suggested strategies for improvement.</p><p><strong>Conclusion: </strong>The KBTS outlines a vision that focuses on practical excellence, comprehensive research, professional education, responsibilities, and member satisfaction. Addressing these challenges requires collaborative efforts among healthcare institutions, professional societies, and policymakers to support brain tumor specialists and enhance patient care.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142125982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pulsed Radiofrequency Neuromodulation for Post-Stroke Shoulder Pain in Patients with Hemorrhagic Stroke.","authors":"Doyoung Na, Mu Seung Park, Hyuk Jai Choi, Jinseo Yang, Yong-Jun Cho, Jin Pyeong Jeon","doi":"10.3340/jkns.2023.0204","DOIUrl":"10.3340/jkns.2023.0204","url":null,"abstract":"<p><strong>Objective: </strong>Post-stroke shoulder pain (PSSP) is a common complication that limits the range of motion (ROM) of the shoulder, the patient's rehabilitation and in turn, affects the patients' quality of life (QoL). Several treatment modalities such as sling, positioning, strapping, functional electrical stimulation, and nerve block have been suggested in literatures, however none of the treatments had long-term effects for PSSP. In this study, the authors evaluated clinical efficacy of pulsed radiofrequency (PRF) neuromodulation on the suprascapular nerve for PSSP, and suggested it as a potential treatment with long-term effect.</p><p><strong>Methods: </strong>This retrospective case series was conducted at a single center, a private practice institution. From 2013 to 2021, 13 patients with PSSP underwent PRF neuromodulation of the suprascapular nerve. The primary outcome measure was the Visual analog scale (VAS) score. The secondary outcome measurements included the shoulder ROM, Disability assessment scale (DAS), modified Ashworth scale, modified Rankin scale (mRS), and EuroQol-5 dimension-3L questionnaire (EQ-5D-3L) scores. These parameters were evaluated before PRF modulation, immediately after PRF modulation, and every 3 months until the final follow-up visit.</p><p><strong>Results: </strong>Six men and seven women were enrolled, and all patients were followed-up for a minimum of 12 months. The mean VAS score was 7.07 points before PRF neuromodulation and 2.38 points immediately post-procedure. Shoulder ROM for abduction and flexion, DAS for pain, mRS, and EQ-5D-3L demonstrated marked improvement. No complications were reported.</p><p><strong>Conclusion: </strong>PRF neuromodulation of the suprascapular nerve is an effective modality in patients with PSSP, and has long-term effect of pain relief, improvement of QoL.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11375072/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139735446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Comprehensive Analysis of Potential Complications after Oblique Lumbar Interbody Fusion : A Review of Postoperative Magnetic Resonance Scans in Over 400 Cases.","authors":"Kang-Hoon Lee, Su-Hun Lee, Jun-Seok Lee, Young-Ha Kim, Soon-Ki Sung, Dong-Wuk Son, Sang-Weon Lee, Geun-Sung Song","doi":"10.3340/jkns.2023.0238","DOIUrl":"10.3340/jkns.2023.0238","url":null,"abstract":"<p><strong>Objective: </strong>This study focuses on identifying potential complications following oblique lumbar interbody fusion (OLIF) through routine magnetic resonance (MR) scans.</p><p><strong>Methods: </strong>From 650 patients who underwent OLIF from April 2018 to April 2022, this study included those with MR scans taken 1-week post-operatively, and only for indirect decompression patients. The analysis evaluated postoperative MR images for hematoma, cage insertion angles, and indirect decompression efficiency. Patient demographics, post-operatively symptoms, and complications were also evaluated.</p><p><strong>Results: </strong>Out of 401 patients enrolled, most underwent 1- or 2-level OLIF. Common findings included approach site hematoma (65.3%) and contralateral psoas hematoma (19%). The caudal level OLIF was related with less orthogonality and deep insertion of cage. Incomplete indirect decompression occurred in 4.66% of cases but did not require additional surgery. Rare but symptomatic complications included remnant disc rupture (four cases, 1%) and synovial cyst rupture (four cases, 1%).</p><p><strong>Conclusion: </strong>This study has identified potential complications associated with OLIF, including approach site hematoma, contralateral psoas hematoma, cage malposition risk at caudal levels, and radiologically insufficient indirect decompression. Additionally, it highlights rare, yet symptomatic complications such as remnant disc rupture and synovial cyst rupture. These findings contribute insights into the relatively under-explored area of OLIF complications.</p>","PeriodicalId":16283,"journal":{"name":"Journal of Korean Neurosurgical Society","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11375067/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139735445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}