Chinese Neurosurgical Journal最新文献

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Dexamethasone and compliance affect TTFields efficacy to glioblastoma patients: a systematic review and meta-analysis. 地塞米松和依从性影响TTFields对胶质母细胞瘤患者的疗效:一项系统回顾和荟萃分析
Chinese Neurosurgical Journal Pub Date : 2022-09-03 DOI: 10.1186/s41016-022-00294-0
Shupeng Li, Jiawei Dong, Xinyu Wang, Xiangqi Meng, Chuanlu Jiang, Jinquan Cai
{"title":"Dexamethasone and compliance affect TTFields efficacy to glioblastoma patients: a systematic review and meta-analysis.","authors":"Shupeng Li,&nbsp;Jiawei Dong,&nbsp;Xinyu Wang,&nbsp;Xiangqi Meng,&nbsp;Chuanlu Jiang,&nbsp;Jinquan Cai","doi":"10.1186/s41016-022-00294-0","DOIUrl":"https://doi.org/10.1186/s41016-022-00294-0","url":null,"abstract":"<p><p>TTFields is a novel treating modality of glioblastoma (GBM) which can significantly prolong the overall survival (OS) of newly diagnosed or recurrent glioblastoma. Some researchers have revealed that a variety of factors can affect the efficacy of TTFields. So, we review the available literature about the influencing factors on efficacy of TTFields and then choose two experimentally supported factors: the dose of dexamethasone and compliance of TTFields to perform a meta-analysis. The PubMed, Embase, and the Cochrane Library are searched. Five articles are identified between 2014 and 2017. Three articles are about the compliance of TTFields. Two articles are about the dose of dexamethasone. The Newcastle-Ottawa Quality Assessment Scale (NOS) is used as an assessment tool to evaluate the methodological quality of all included trials. The scale's range varies from 0 to 9 stars. According to the Cochrane Handbook for Systematic Reviews of Interventions, articles are graded in six items to evaluate the risk of bias. Two reviewers rate the studies independently and the final decision is reached by consensus.Our data shows that the median OS is conspicuously longer in the TTFields group in which the dose of dexamethasone is ≤ 4.1 mg, WMD = 9.23 [95% CI 5.69-12.78]; P < 0.05). And the patients whose compliance of TTFields treatment ≥ 75% (≥ 18 h per day) have a significant lower overall survival risk than the patients whose compliance of TTFields treatment < 75% (HR = 0.57 [95% CI 0.46-0.70]; P < 0.00001).TTFields is a safe and efficient novel treatment modality. The dose of dexamethasone ≤ 4.1 mg of TTFields treatment and the compliance of TTFields treatment ≥ 75%, ≥ 18 h per day are beneficial to the prognosis of the glioblastoma patients.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"24"},"PeriodicalIF":0.0,"publicationDate":"2022-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9440597/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40343326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Can neuro-oncology teaching contribute to educate medical doctors better? A reflection on the value of neuro-oncology for student teaching. 神经肿瘤学教学是否有助于更好地培养医生?神经肿瘤学对学生教学价值的思考。
Chinese Neurosurgical Journal Pub Date : 2022-09-02 DOI: 10.1186/s41016-022-00293-1
Matthias A Mäurer, Irina Mäurer, Marcel A Kamp
{"title":"Can neuro-oncology teaching contribute to educate medical doctors better? A reflection on the value of neuro-oncology for student teaching.","authors":"Matthias A Mäurer,&nbsp;Irina Mäurer,&nbsp;Marcel A Kamp","doi":"10.1186/s41016-022-00293-1","DOIUrl":"https://doi.org/10.1186/s41016-022-00293-1","url":null,"abstract":"<p><p>Neuro-oncology, with its various conservative, surgical, and interventional disciplines, is ideally suited to teach basic knowledge, skills, and attitudes important to medical practice in general. However, training is less about teaching specific treatment protocols and more about fostering skills for interdisciplinary collaboration, development of treatment recommendations, communication skills, and an ethical stance. To adequately teach this content, new and innovative formats are needed to test and learn high levels of student interaction, communication, and collaboration.New teaching concepts such as inverted teaching formats as well as the use of modern media technology can be helpful to improve networking between disciplines and to improve the quality of medical education.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"23"},"PeriodicalIF":0.0,"publicationDate":"2022-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9438309/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40340107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Endovascular treatment of acute M1 occlusions due to underlying intracranial atherosclerotic severe stenosis. 颅内粥样硬化性严重狭窄所致急性M1闭塞的血管内治疗。
Chinese Neurosurgical Journal Pub Date : 2022-09-01 DOI: 10.1186/s41016-022-00292-2
Yazhou Yan, Li Du, Xiliang He, Qinghai Huang, Yuan Pan, Tao Xin
{"title":"Endovascular treatment of acute M1 occlusions due to underlying intracranial atherosclerotic severe stenosis.","authors":"Yazhou Yan,&nbsp;Li Du,&nbsp;Xiliang He,&nbsp;Qinghai Huang,&nbsp;Yuan Pan,&nbsp;Tao Xin","doi":"10.1186/s41016-022-00292-2","DOIUrl":"https://doi.org/10.1186/s41016-022-00292-2","url":null,"abstract":"<p><strong>Background: </strong>Endovascular treatment (EVT) for acute ischemic stroke with an occlusion of the M1 segment due to intracranial atherosclerotic severe stenosis (ICASS) remains challenging. This study aimed to evaluate the safety and efficacy of EVT for ICASS-related M1 acute occlusion.</p><p><strong>Methods: </strong>We retrospectively reviewed all patients with an ICASS-related M1 acute occlusion who underwent EVT at our institution between January 2015 and December 2020. Clinical presentation, baseline characteristics, angiographic and clinical results, technical feasibility, perioperative complications, and follow-up results were evaluated.</p><p><strong>Results: </strong>Twenty-two patients with ICASS-related M1 acute occlusion were included. Eight patients (36.4%) received bridging therapy, and the other 14 patients (63.6%) directly underwent EVT. Fifteen patients (68.2%) treated with balloon dilations and stenting as rescue treatment. Six patients (27.3%) received single balloon angioplasty, and 5 of these patients were treated with staged stenting. One case (4.5%) failed recanalization at the first EVT, and successful revascularization was achieved a month later. The mean procedure time was 67.2 ± 20.8 min. Successful revascularization (mTICI ≥ 2b) was achieved in 95.5% (21/22) of patients. Perioperative complications developed in two patients (9.1%) including one hemorrhagic event and one thromboembolic event. Angiographic follow-up was available in 20 patients (90.9%) at an average of 8.6 ± 3.0 months. The degree of stenosis was worse (10-30%) in 6 cases (30%) compared with the initial outcomes. The favorable outcomes (mRS ≤ 2) at 3-month follow-up was achieved in 19 patients (86.4%).</p><p><strong>Conclusions: </strong>ICASS-related occlusion in the M1 segment often required a rescue therapy including balloon angioplasty with/without stenting, and this treatment strategy was safe and effective. But single balloon angioplasty at the first EVT generally cannot achieve satisfactory results and often needed staged stenting treatment.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"22"},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9434881/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40335429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
How to locate the dural defect in a spinal extradural meningeal cyst: a literature review. 如何定位脊髓硬膜外脑膜囊肿的硬脑膜缺损:文献回顾。
Chinese Neurosurgical Journal Pub Date : 2022-08-31 DOI: 10.1186/s41016-022-00291-3
Qiang Jian, Zhenlei Liu, Wanru Duan, Fengzeng Jian, Zan Chen
{"title":"How to locate the dural defect in a spinal extradural meningeal cyst: a literature review.","authors":"Qiang Jian,&nbsp;Zhenlei Liu,&nbsp;Wanru Duan,&nbsp;Fengzeng Jian,&nbsp;Zan Chen","doi":"10.1186/s41016-022-00291-3","DOIUrl":"https://doi.org/10.1186/s41016-022-00291-3","url":null,"abstract":"<p><p>Spinal extradural meningeal cysts (SEMCs) are rare lesions of the spinal canal. Although closure of the dural defect can achieve satisfactory therapeutic effects, locating the fistula is difficult. This review summarizes the methods for locating the fistula of SEMCs and the distribution and features of fistula sites.This was a non-systematic literature review of studies on SEMCs. We searched PubMed for English-language articles to summarize the methods of locating the defect. The search words were \"epidural arachnoid cyst,\" \"dural cyst,\" \"epidural cyst,\" and \"epidural meningeal cyst.\" For the defect location component of the study, case reports, studies with a sample size less than four, controversial ventral dural dissection(s), and undocumented fistula location reports were excluded.Our review showed that radiography and computed tomography (CT) may show changes in the bony structure of the spine, with the largest segment of change indicating the fistula site. Occasionally, magnetic resonance imaging (MRI) can show a cerebrospinal fluid (CSF) flow void at the fistula site. The middle segment of the cyst on sagittal MRI, the largest cyst area, and cyst laterality in the axial view indicate the fistula location. Myelography can show the fistula location in the area of the enhanced cyst and subarachnoid stenosis. Digital subtraction or delayed CT can be used to observe the location of the initial cyst filling. Cine MRI and time-spatial labeling inversion pulse techniques can be used to observe CSF flow. Steady-state image construction interference sequence MRI has a high spatial resolution. Neuroendoscopy, MRI myelography, and ultrasound fistula detection can be performed intraoperatively. Moreover, the fistula was located most often in the T12-L1 segment.Identifying the fistula location is difficult and requires a combination of multiple examinations and experience for comprehensive judgment.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"27"},"PeriodicalIF":0.0,"publicationDate":"2022-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9429336/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40335256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Conventional craniotomy versus conservative treatment in patients with minor spontaneous intracerebral hemorrhage in the basal ganglia. 基底节轻微自发性脑出血患者的常规开颅与保守治疗。
Chinese Neurosurgical Journal Pub Date : 2022-08-19 DOI: 10.1186/s41016-022-00288-y
Ning Wang, Weiwei Lin, Xuanhao Zhu, Qi Tu, Daqian Zhu, Shuai Qu, Jianjing Yang, Linhui Ruan, Qichuan Zhuge
{"title":"Conventional craniotomy versus conservative treatment in patients with minor spontaneous intracerebral hemorrhage in the basal ganglia.","authors":"Ning Wang,&nbsp;Weiwei Lin,&nbsp;Xuanhao Zhu,&nbsp;Qi Tu,&nbsp;Daqian Zhu,&nbsp;Shuai Qu,&nbsp;Jianjing Yang,&nbsp;Linhui Ruan,&nbsp;Qichuan Zhuge","doi":"10.1186/s41016-022-00288-y","DOIUrl":"https://doi.org/10.1186/s41016-022-00288-y","url":null,"abstract":"<p><strong>Background: </strong>The treatment for spontaneous intracerebral hemorrhage (ICH) is still controversial, especially for hematomas in the basal ganglia. A retrospective case-control study with propensity score matching was performed to compare the outcomes of conventional craniotomy and conservative treatment for patients with minor ICH in the basal ganglia.</p><p><strong>Methods: </strong>We retrospectively collected the data of consecutive patients with minor basal ganglia hemorrhage from January 2018 to August 2019. We compared clinical outcomes of two groups using propensity score matching. The extended Glasgow outcome scale obtained by phone interviews based on questionnaires at a 12-month follow-up was used as the primary outcome measure. According to a previous prognosis algorithm, patients were divided into good and poor prognosis groups to obtain a dichotomized (favorable or unfavorable) outcome as the primary outcome. Secondary outcomes included hospitalized complications, mortality, and modified Rankin score at 12 months.</p><p><strong>Results: </strong>A total of 54 patients were analyzed, and the baseline characteristics of patients in the surgery and conservative treatment groups were well matched. The primary favorable outcome at 12 months was significantly higher in the conservative treatment group than in the surgery group (81% vs 44%; OR 1.833, 95% CI 1.159-2.900; P=0.005). The incidence of pneumonia in the surgery group was significantly higher than that in the conservative treatment group (P=0.005).</p><p><strong>Conclusions: </strong>It is not recommended to undertake conventional craniotomy for patients with a minor hematoma (25-40 ml) in the basal ganglia. An open craniotomy might induce worse long-term functional outcomes than the conservative treatment.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"26"},"PeriodicalIF":0.0,"publicationDate":"2022-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9389702/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40711171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Prediction of high infiltration levels in pituitary adenoma using MRI-based radiomics and machine learning. 基于mri放射组学和机器学习的垂体腺瘤高浸润水平预测。
Chinese Neurosurgical Journal Pub Date : 2022-08-12 DOI: 10.1186/s41016-022-00290-4
Chao Zhang, Xueyuan Heng, Wenpeng Neng, Haixin Chen, Aigang Sun, Jinxing Li, Mingguang Wang
{"title":"Prediction of high infiltration levels in pituitary adenoma using MRI-based radiomics and machine learning.","authors":"Chao Zhang,&nbsp;Xueyuan Heng,&nbsp;Wenpeng Neng,&nbsp;Haixin Chen,&nbsp;Aigang Sun,&nbsp;Jinxing Li,&nbsp;Mingguang Wang","doi":"10.1186/s41016-022-00290-4","DOIUrl":"https://doi.org/10.1186/s41016-022-00290-4","url":null,"abstract":"<p><strong>Background: </strong>Infiltration is important for the surgical planning and prognosis of pituitary adenomas. Differences in preoperative diagnosis have been noted. The aim of this article is to assess the accuracy of machine learning analysis of texture-derived parameters of pituitary adenoma obtained from preoperative MRI for the prediction of high infiltration.</p><p><strong>Methods: </strong>A total of 196 pituitary adenoma patients (training set: n = 176; validation set: n = 20) were enrolled in this retrospective study. In total, 4120 quantitative imaging features were extracted from CE-T1 MR images. To select the most informative features, the least absolute shrinkage and selection operator (LASSO) and variance threshold method were performed. The linear support vector machine (SVM) was used to fit the predictive model based on infiltration features. Furthermore, the receiver operating characteristic curve (ROC) was generated, and the diagnostic performance of the model was evaluated by calculating the area under the curve (AUC), accuracy, precision, recall, and F1 value.</p><p><strong>Results: </strong>A variance threshold of 0.85 was used to exclude 16 features with small differences using the LASSO algorithm, and 19 optimal features were finally selected. The SVM models for predicting high infiltration yielded an AUC of 0.86 (sensitivity: 0.81, specificity 0.79) in the training set and 0.73 (sensitivity: 0.87, specificity: 0.80) in the validation set. The four evaluation indicators of the predictive model achieved good diagnostic capabilities in the training set (accuracy: 0.80, precision: 0.82, recall: 0.81, F1 score: 0.81) and independent verification set (accuracy: 0.85, precision: 0.93, recall: 0.87, F1 score: 0.90).</p><p><strong>Conclusions: </strong>The radiomics model developed in this study demonstrates efficacy for the prediction of pituitary adenoma infiltration. This model could potentially aid neurosurgeons in the preoperative prediction of infiltration in PAs and contribute to the selection of ideal surgical strategies.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"21"},"PeriodicalIF":0.0,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9373412/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40694439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Minimally invasive keyhole techniques for resection of giant intracranial tumors. 微创锁眼技术切除颅内巨大肿瘤。
Chinese Neurosurgical Journal Pub Date : 2022-08-05 DOI: 10.1186/s41016-022-00289-x
Qing Lan, Michael E Sughrue, Robert G Briggs
{"title":"Minimally invasive keyhole techniques for resection of giant intracranial tumors.","authors":"Qing Lan,&nbsp;Michael E Sughrue,&nbsp;Robert G Briggs","doi":"10.1186/s41016-022-00289-x","DOIUrl":"https://doi.org/10.1186/s41016-022-00289-x","url":null,"abstract":"<p><strong>Background: </strong>While keyhole neurosurgery is increasingly utilized in the operating room, there are few reports regarding the use of keyhole techniques to resect giant intracranial tumors. The feasibility and technique of that were discussed in this paper.</p><p><strong>Methods: </strong>We retrospectively reviewed 95 consecutive patients who were admitted to our service between February 2012 and September 2017 with a maximum intracranial tumor diameter >5 cm. Keyhole approaches were used to resect these tumors in each case, including supraorbital, subtemporal, suboccipital, retromastoid, frontal, temporal, occipital, parietal, pterional, a combined temporo-parietal keyhole approach, and an approach via the longitudinal fissure.</p><p><strong>Results: </strong>We achieved gross total resection in 68/95 cases (71.6%) and subtotal resection in 27/95 cases (28.4%). No surgical death or severe disabilities such as coma and limb dyskinesia occurred following surgery. At the time of discharge, 8 patients had complications related to impaired cranial nerve function. In addition, 2 patients developed hydrocephalus requiring ventriculo-peritoneal shunt placement, and 4 patients developed a postoperative CSF leak requiring surgical intervention.</p><p><strong>Conclusion: </strong>With meticulous design and reasonable selection, resection of giant intracranial tumors utilizing minimally invasive keyhole approaches can be done safely with satisfactory surgical outcomes.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"19"},"PeriodicalIF":0.0,"publicationDate":"2022-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354442/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40588257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Primary gliosarcoma with widespread extracranial metastases-spatiotemporal morphological variation. 原发性脑胶质瘤伴广泛颅外转移-时空形态变异。
Chinese Neurosurgical Journal Pub Date : 2022-08-05 DOI: 10.1186/s41016-022-00285-1
Ming Luo, Jun Yang, Jianjun Sun, Fengyun Wang, Xiaodong Chai
{"title":"Primary gliosarcoma with widespread extracranial metastases-spatiotemporal morphological variation.","authors":"Ming Luo,&nbsp;Jun Yang,&nbsp;Jianjun Sun,&nbsp;Fengyun Wang,&nbsp;Xiaodong Chai","doi":"10.1186/s41016-022-00285-1","DOIUrl":"https://doi.org/10.1186/s41016-022-00285-1","url":null,"abstract":"<p><strong>Background: </strong>We summarize 5 cases of primary gliosarcoma with widespread extracranial metastases including our case. The glial components are eliminated due to the needs of the living environment in the process of parasitism and survival of brain glioma-sarcoma cells in lung metastasis.</p><p><strong>Methods: </strong>A PubMed search using the keywords \"gliosarcoma\" and \"extracranial metastases\" was performed followed by a review of cited literature. Our case was a 50-year-old female presented with headache and dizziness. MRI examination showed that there was a cystic solid tumor in the right temporal lobe. The tumor was removed totally. Seven months after the operation, the patient suffered recurrent intermittent headache. The resection for the recurrent tumor was performed. Postoperative pathology confirmed the recurrent gliosarcoma. A needle biopsy was performed for the nodular on the right lung. The lung tumor pathology suggested a sarcoma structure.</p><p><strong>Results: </strong>There was a female patient in five cases. The age range is 47 to 69 years old. The tumor recurred within a year. A combination of treatment modalities may extend survival; however, the prognosis remains poor.</p><p><strong>Conclusion: </strong>Primary gliosarcoma with extracranial metastases is extremely rare. Some findings uncovered an unexpected spatiotemporal morphological variation in the different foci of the same malignancy.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"20"},"PeriodicalIF":0.0,"publicationDate":"2022-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354287/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40587757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
ABC/2 formula for "bedside" postoperative pneumocephalus volume measurement. ABC/2“床边”术后气头容积测量公式。
Chinese Neurosurgical Journal Pub Date : 2022-08-03 DOI: 10.1186/s41016-022-00287-z
David Yuen Chung Chan, Eric Yuk Hong Cheung, Ka Ho Hui, Cecelia Mei Sze Leung, Stephanie Chi Ping Ng, Wai Kit Mak, George Kwok Chu Wong, Tat Ming Danny Chan, Wai Sang Poon
{"title":"ABC/2 formula for \"bedside\" postoperative pneumocephalus volume measurement.","authors":"David Yuen Chung Chan,&nbsp;Eric Yuk Hong Cheung,&nbsp;Ka Ho Hui,&nbsp;Cecelia Mei Sze Leung,&nbsp;Stephanie Chi Ping Ng,&nbsp;Wai Kit Mak,&nbsp;George Kwok Chu Wong,&nbsp;Tat Ming Danny Chan,&nbsp;Wai Sang Poon","doi":"10.1186/s41016-022-00287-z","DOIUrl":"https://doi.org/10.1186/s41016-022-00287-z","url":null,"abstract":"<p><strong>Background: </strong>Postoperative pneumocephalus is associated with a higher risk of recurrence of chronic subdural hematoma (cSDH). However, there is no verified simple way to measure the pneumocephalus volume at the bedside for daily clinical use. The ABC/2 method was shown to be a simple and reliable technique to estimate volumes of intracranial lesions, such as intracranial hematomas. This study aims to evaluate the accuracy of the ABC/2 formula in estimating volumes of pneumocephalus, as compared to the gold standard with computer-assisted volumetric analysis.</p><p><strong>Methods: </strong>A total of 141 postoperative computed tomographic (CT) brain scans of cSDH patients with burr-hole drainage were analysed. Pneumocephalus volume was measured independently by both the ABC/2 formula and the computer-assisted volumetric measurement. For the computer-assisted measurement, the volume of the air was semiautomatically segmented and calculated by computer software. Linear regression was used to determine the correlation between the ABC/2 method and computer-assisted measurement.</p><p><strong>Results: </strong>The postoperative pneumocephalus volume after bilateral burr-hole drainage was significantly larger than that of unilateral burr-hole drainage (29.34 ml versus 12.21 ml, p < 0.001). The estimated volumes by the formula ABC/2 significantly correlated to the volumes as measured by the computer-assisted volumetric technique, with r = 0.992 (p < 0.001). The Pearson correlation coefficient is very close to 1, which signifies a very strong positive correlation, and it is statistically significant.</p><p><strong>Conclusions: </strong>An excellent correlation is observed between the ABC/2 method and the computer-assisted measurement. This study verified that the ABC/2 method is an accurate and simple \"bedside\" technique to estimate pneumocephalus volume.</p>","PeriodicalId":36700,"journal":{"name":"Chinese Neurosurgical Journal","volume":" ","pages":"18"},"PeriodicalIF":0.0,"publicationDate":"2022-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9347102/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40598058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Endovascular coiling versus microsurgical clipping for ruptured intracranial aneurysms: a meta-analysis and systematic review. 血管内盘绕与显微手术夹持治疗颅内动脉瘤破裂:荟萃分析和系统回顾。
Chinese Neurosurgical Journal Pub Date : 2022-07-25 DOI: 10.1186/s41016-022-00283-3
Chao Peng, Yu-Hang Diao, Shi-Fei Cai, Xin-Yu Yang
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引用次数: 3
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