Acta Neurochirurgica最新文献

{"title":"Risk factors of postoperative trigeminal neuropathy in surgical treatment of trigeminal schwannomas","authors":"Shunsuke Shibao,&nbsp;Kazunari Yoshida,&nbsp;Ryo Ueda,&nbsp;Masahiro Toda","doi":"10.1007/s00701-024-06261-1","DOIUrl":"10.1007/s00701-024-06261-1","url":null,"abstract":"<div><h3>Objective</h3><p>Trigeminal schwannomas are rare benign tumors originating from the Schwann cells of the trigeminal nerve. Despite the common occurrence of trigeminal neuropathy in trigeminal schwannomas, a detailed analysis has not yet been performed because of the rarity of this disease. This study aimed to analyze trigeminal neuropathy in trigeminal schwannoma resection and identify the risk factors for postoperative worsening of trigeminal neuropathy.</p><h3>Methods</h3><p>A retrospective analysis of 86 surgical cases was performed at our institution between 1975 and 2018. Obtained parameters included age, sex, diagnosis, reoperation, tumor size, tumor location, presence or absence of cysts, surgical approach, degree of tumor removal, and pre/postoperative trigeminal neuropathy. Uni- and multivariate analyses were performed to identify the risk factors for worsening postoperative sensory disturbances.</p><h3>Results</h3><p>Of 83 patients, 58.1% had preoperative trigeminal neuropathy. Postoperative sensory disturbance occurred in 27.9%, with worsening in two cases and de novo symptoms in 22 cases. Regarding risk factors for worsening postoperative sensory disturbances, older age, smaller tumor size, middle and posterior (MP) type, gross total removal (GTR), and anterior transpetrosal approach were identified in the univariate analysis, while MP type and GTR were identified in the multivariate analysis.</p><h3>Conclusions</h3><p>This study analyzed trigeminal neuropathy in trigeminal schwannomas in detail and identified tumor location and removal rate as risk factors for worsening postoperative sensory disturbances. Treatment strategies to reduce the risk of trigeminal neuropathy should be considered.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effectiveness and safety of Tachosil® as a ventricular sealant: an observational cohort study","authors":"Pilar Teixidor-Rodríguez,&nbsp;Ferran Brugada-Bellsolà,&nbsp;Sebastián Menéndez-Girón,&nbsp;Manuel Tardáguila-Serrano,&nbsp;Antonio González-Crespo,&nbsp;Fidel Nuñez-Marín,&nbsp;Eva Montané,&nbsp;Jordi Busquets-Bonet,&nbsp;Lucia Muñoz-Narbona,&nbsp;Carlos Javier Domínguez-Alonso","doi":"10.1007/s00701-024-06276-8","DOIUrl":"10.1007/s00701-024-06276-8","url":null,"abstract":"<div><h3>Purpose</h3><p>Surgery close to or in contact with the ventricular system is challenging due to the complications. We sought to evaluate the effectiveness and safety of TachoSil® as a ventricular sealant in preventing complications after cranial surgery with an open ventricular system (OVS).</p><h3>Methods</h3><p>This is a single-center and prospective cohort study We included patients who underwent elective surgery for supratentorial craniotomy and periventricular pathology between December 2020 and November 2023. We registered surgical complications arising from CSF dynamics (such as percutaneous cerebrospinal fluid (CSF) leakage, hydrocephalus, pseudomeningocele), infections, and other complications (postsurgical hematoma) adverse drug reactions (ADRs), reintervention or hospital readmission up to 90 days after surgery.</p><h3>Results</h3><p>Forty interventions were performed on 39 patients, whose median age was 56 years. Eleven patients (28.2%) had antecedents of previous surgery in the same location, 5 (12.8%) had previously received radiotherapy and chemotherapy, and 11 (28.2%) were smokers. Twenty-four patients (60%) underwent surgery for high-grade glioma, 8 (20%) for low-grade gliomas, 6 (15%) for metastasis and 2 (5%) for meningioma. Throughout the study and up to 90 days after surgery, none of the patients presented an ADR. Only 2 patients (5%) presented with a surgery complications derived from ventricular opening (one patient with a percutaneous CSF leakage and one patients with external hydrocephalus). Both patients resolved with a ventriculoperitoneal shunt.</p><h3>Conclusions</h3><p>TachoSil® is a dural sealant that can be used safely and effectively intraparenchymally in patients whose surgery involves a ventricular opening. Only 5% of treated patients presented complications arising from CSF hydrodynamics. No patients had pseudomeningocele, infections or complications related to the use of this sealant. To confirm these positive results, randomized and comparative clinical trials assessing the efficacy of TachoSil® in patients after cranial surgery with an OVS are essential.</p><h3>Trial registration number and date of registration</h3><p>This study was registered in the Clinical Trials.gov (NCT05717335). Date May 1^st, 2022.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Three-dimensional personalized porous polyethylen cranioplasty in patients at increased risk of surgical site infection","authors":"Jan Mracek,&nbsp;Miroslav Seidl,&nbsp;Jiri Dostal,&nbsp;Petr Kasik,&nbsp;Irena Holeckova,&nbsp;Radek Tupy,&nbsp;Vladimir Priban","doi":"10.1007/s00701-024-06281-x","DOIUrl":"10.1007/s00701-024-06281-x","url":null,"abstract":"<div><h3>Background</h3><p>Surgical site infection (SSI) is the most consistently reported complication of cranioplasty. No material showed a categorical superiority in the incidence of infection. Porous polyethylene (PE) is considered a low risk material regarding SSI. However, the literature data are very limited. Thus, our objective was to verify the assumed low incidence of SSI after PE cranioplasty in patients at high risk of SSI. The primary objective was the infection rate, while secondary objectives were implant exposure, revision and cosmetic results.</p><h3>Method</h3><p>Patients who underwent three-dimensional (3D) personalized PE cranioplasty in the period 2014–2023 were evaluated prospectively. Only patients with an increased risk of SSI, and a satisfactory clinical conditions were included in the study.</p><h3>Results</h3><p>Thirty procedures were performed in 30 patients. Cranioplasty was performed 23 times after hemispheric decompressive craniectomy, five times after limited size craniotomy and two times after bifrontal decompressive craniectomy. Risk factors for the development of infection were 18 previous SSIs, 16 previous repeated revision surgeries, four intraoperatively opened frontal sinuses and two times radiotherapy. Neither infection nor implant exposure was detected in any patient. All patients were satisfied with the aesthetic result. In two cases, a revision was performed due to postoperative epidural hematoma.</p><h3>Conclusions</h3><p>Three-dimensional personalized PE cranioplasty is associated with an extremely low incidence of SSI even in high-risk patients. However, our conclusions can only be confirmed in larger studies.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11427512/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anticoagulation strategies in patients with coexisting traumatic intracranial hematomas and cerebral venous sinus thrombosis: an observational cohort study","authors":"Julia Antonsson,&nbsp;Charles Tatter,&nbsp;Anna Ågren,&nbsp;Peter Alpkvist,&nbsp;Eric Peter Thelin,&nbsp;Alexander Fletcher-Sandersjöö","doi":"10.1007/s00701-024-06287-5","DOIUrl":"10.1007/s00701-024-06287-5","url":null,"abstract":"<div><h3>Purpose</h3><p>Post-traumatic cerebral venous sinus thrombosis (ptCVT) is a rare but serious complication of traumatic brain injury (TBI). Managing ptCVT is challenging due to the concurrent risk of traumatic intracranial hematoma (ICH) expansion. Limited data exists on the safety and efficacy of anticoagulation therapy (ACT) in these cases.</p><h3>Methods</h3><p>This single-center observational cohort study included adult TBI patients with concurrent ICH and ptCVT. Low-molecular-weight heparin (LMWH) or heparin infusion was used to treat all ptCVTs based on institutional protocols. The outcomes of interest were hemorrhagic and thrombotic complications.</p><h3>Results</h3><p>Out of 1,039 TBI-patients admitted between 2006 and 2020, 32 met the inclusion criteria. The median time from injury to ptCVT diagnosis was 24 h. ACT was initiated at a median of 9 h after ptCVT diagnosis. Patients were administered either heparin infusion (<i>n</i> = 8) or LMWH at dosages ranging from 28 to 72% of the therapeutic level (<i>n</i> = 24). There were no hemorrhagic complications, even in patients receiving LMWH at ≥ 50% of the therapeutic dose. Thrombotic complications occurred in 3 patients (9.4%) – two cases of thrombus progression and one venous infarct. The patients who developed thrombotic complications differed from those who did not by having a 17-h delay in ACT initiation after diagnosis or by receiving an initial LMWH dose at 28% of the therapeutic level.</p><h3>Conclusion</h3><p>LMWH at approximately 50% of the therapeutic level was effective for managing ptCVT associated with TBI in our retrospective dataset, with no risk of hematoma expansion. Prospective trials are warranted to confirm these results.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11436407/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How I do it: surgical ligation of posteromedial tentorial dural arteriovenous fistulas","authors":"Amedeo Piazza,&nbsp;A. Yohan Alexander,&nbsp;Maria Peris-Celda,&nbsp;Giuseppe Lanzino","doi":"10.1007/s00701-024-06272-y","DOIUrl":"10.1007/s00701-024-06272-y","url":null,"abstract":"<div><h3>Background</h3><p>Tentorial dural arteriovenous fistulas (dAVFs) are categorized based on venous drainage and location. Although their angioarchitecture may initially appear intimidating, once “decodified,” treatment is straightforward. Posteromedial tentorial dAVFs have an arterialized draining vein that emanates from the inferior tentorium along the posterior third of the straight sinus, just slightly off the midline.</p><h3>Method</h3><p>With the aid of anatomical dissections, intraoperative photos, and operative videos, we outline the key steps for surgical treatment of posteromedial tentorial dAVFs.</p><h3>Conclusion</h3><p>Posteromedial tentorial dAVFs constitute a precise and well-defined subtype of tentorial dAVF for which surgical ligation has an important role.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Real-world application of a 3D deep learning model for detecting and localizing cerebral microbleeds","authors":"So Yeon Won,&nbsp;Jun-Ho Kim,&nbsp;Changsoo Woo,&nbsp;Dong-Hyun Kim,&nbsp;Keun Young Park,&nbsp;Eung Yeop Kim,&nbsp;Sun-Young Baek,&nbsp;Hyun Jin Han,&nbsp;Beomseok Sohn","doi":"10.1007/s00701-024-06267-9","DOIUrl":"10.1007/s00701-024-06267-9","url":null,"abstract":"<div><h3>Background</h3><p>Detection and localization of cerebral microbleeds (CMBs) is crucial for disease diagnosis and treatment planning. However, CMB detection is labor-intensive, time-consuming, and challenging owing to its visual similarity to mimics. This study aimed to validate the performance of a three-dimensional (3D) deep learning model that not only detects CMBs but also identifies their anatomic location in real-world settings.</p><h3>Methods</h3><p>A total of 21 patients with 116 CMBs and 12 without CMBs were visited in the neurosurgery outpatient department between January 2023 and October 2023. Three readers, including a board-certified neuroradiologist (reader 1), a resident in radiology (reader 2), and a neurosurgeon (reader 3) independently reviewed SWIs of 33 patients to detect CMBs and categorized their locations into lobar, deep, and infratentorial regions without any AI assistance. After a one-month washout period, the same datasets were redistributed randomly, and readers reviewed them again with the assistance of the 3D deep learning model. A comparison of the diagnostic performance between readers with and without AI assistance was performed.</p><h3>Results</h3><p>All readers with an AI assistant (reader 1:0.991 [0.930–0.999], reader 2:0.922 [0.881–0.905], and reader 3:0.966 [0.928–0.984]) tended to have higher sensitivity per lesion than readers only (reader 1:0.905 [0.849–0.942], reader 2:0.621 [0.541–0.694], and reader 3:0.871 [0.759–0.935], p = 0.132, 0.017, and 0.227, respectively). In particular, radiology residents (reader 2) showed a statistically significant increase in sensitivity per lesion when using AI. There was no statistically significant difference in the number of FPs per patient for all readers with AI assistant (reader 1: 0.394 [0.152–1.021], reader 2: 0.727 [0.334–1.582], reader 3: 0.182 [0.077–0.429]) and reader only (reader 1: 0.364 [0.159–0.831], reader 2: 0.576 [0.240–1.382], reader 3: 0.121 [0.038–0.383], p = 0.853, 0.251, and 0.157, respectively). Our model accurately categorized the anatomical location of all CMBs.</p><h3>Conclusions</h3><p>Our model demonstrated promising potential for the detection and anatomical localization of CMBs, although further research with a larger and more diverse population is necessary to establish clinical utility in real-world settings.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vestibular schwannoma surgery in the ninth decade of life: a case series","authors":"Etienne LEFEVRE,&nbsp;Lauranne ALCIATO,&nbsp;Yohan CAUDRON,&nbsp;Alice JACQUENS,&nbsp;Yann NGUYEN,&nbsp;Olivier STERKERS,&nbsp;Michel KALAMARIDES","doi":"10.1007/s00701-024-06285-7","DOIUrl":"10.1007/s00701-024-06285-7","url":null,"abstract":"<div><h3>Background and purpose</h3><p>Large symptomatic Vestibular Schwannoma (VS) often requires surgical resection, regardless the patient’s age. The aim of this study was to assess the surgical outcomes of patients in their ninth decade of life.</p><h3>Methods</h3><p>This monocenter retrospective observational study included patients aged 80 years or older who underwent VS surgery between 2009 and 2020. We retrospectively analyzed their immediate post-surgical and long-term outcomes and complications.</p><h3>Results</h3><p>Thirteen octogenarians who underwent VS surgery were included, with average age of 83.2 ± 1.97 years old (median 83.5, range 80–86 years). One patient had a Koos-Grade II tumor, and 12 patients had a grade IV. All patients had a preoperative ASA score ≤ 3 and underwent surgery in the supine position. Twelve patients underwent a pre-planned partial resection (PR) and one had a gross-total resection (GTR). Good facial function (House-Brackmann grade ≤ 2) was achieved in 10 patients (77%). We reported three Clavien-Dindo grade ≤ 3 treatment-related complications and no life-threatening complication. Two patients experienced tumor recurrence after PR.</p><h3>Conclusion</h3><p>In this series of patients who underwent VS surgery in their ninth decade of life, surgical outcomes were acceptable. Therefore, age alone should not serve as a contraindication for surgery. Preplanned PR is a reasonable attitude in elderly patients.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Complication rates after autologous cranioplasty following decompressive craniectomy","authors":"Leonard Ritter,&nbsp;Kilian Strohhäcker,&nbsp;Karl-Michael Schebesch,&nbsp;Thomas Eibl,&nbsp;Julius Höhne,&nbsp;Adrian Liebert","doi":"10.1007/s00701-024-06282-w","DOIUrl":"10.1007/s00701-024-06282-w","url":null,"abstract":"<div><h3>Objective</h3><p>The reimplantation of autologous bone grafts after decompressive craniectomy (DC) is still up for debate. The objective of this study was to analyze the surgical revision rate for autologous cranioplasties in our center, aiming to identify predictors for procedure-related-complications.</p><h3>Methods</h3><p>A retrospective single-center study was conducted for adult patients who underwent autologous cranioplasty after DC. The primary endpoint was the complication rate in terms of surgical revision and removal of the bone graft: infection, new onset seizures, dislocation, haemorrhage, osteolysis, wound dehiscence and cerebrospinal fluid (CSF) fistula. Demographic data, medical records, surgical reports and imaging studies were analysed and risk factors for complications were evaluated.</p><h3>Results</h3><p>169 consecutive patients were included. The median interval between DC and cranioplasty was 84 days. Mean age was 51 ± 12.4 years. 26 patients (15.3%) had revision surgery for following reasons. <i>n</i> = 9 implant dislocations (5.3%), <i>n</i> = 7 osteolysis (3.6%), <i>n</i> = 6 infections (3.6%), <i>n</i> = 5 had re-bleedings (3%), <i>n</i> = 5 wound dehiscences (3%), and <i>n</i> = 2 CSF fistulas (1.2%). 18 patients developed new seizures (10.7%). Bi- and multivariate analysis revealed three independent risk factors, simultaneous ventriculo-peritoneal (VP) shunting increased the risk for material dislocation (<i>p</i> &lt; 0.001); large bone grafts (&gt; 193.5 cm²) increased the risk for osteolysis (<i>p</i> = 0.001) and bifrontal cranioplasties were associated with higher risk for infections (<i>p</i> = 0.04).</p><h3>Conclusion</h3><p>The complication rates in our study were comparable to previously reported data for autologous or artificial cranioplasties. As osteolysis was correlated to larger bone grafts, a synthetic alternative should be considered in selected cases.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11424706/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142339088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Contusion expansion, low platelet count and bifrontal contusions are associated with worse patient outcome following traumatic brain injury—a retrospective single-center study","authors":"Alice S. Andersson,&nbsp;Iftakher Hossain,&nbsp;Niklas Marklund","doi":"10.1007/s00701-024-06269-7","DOIUrl":"10.1007/s00701-024-06269-7","url":null,"abstract":"<div><h3>Background</h3><p>Cortical contusions are common in moderate-severe traumatic brain injury (TBI). Cortical contusions often expand, potentially causing neuro-worsening several hours to days post-trauma. While contusion expansion (CE) may affect outcome, potential clinical and radiological markers that can predict CE have been insufficiently explored. In the present single-center retrospective observational cohort study, we evaluated clinical outcome by the Glasgow Outcome Scale extended (GOSE) scale and evaluated risk factor for CE.</p><h3>Method</h3><p>Adult TBI patients &gt; 18 years of age, and of all injury severities, were included. Main variables of interest were low platelet count, defined as &lt; 150 × 10⁹/L, presence of bifrontal contusions and CE, defined as absolute contusion volume increase in cm³. Factors associated with CE and clinical outcome according to GOSE were analyzed.</p><h3>Results</h3><p>Between 2012–2022, 272 patients were included. Contusion size on admission correlated positively with CE, as did the Marshall and Rotterdam radiological classification scores. Bifrontal contusions were significantly larger at admission, experienced larger CE, and had a worse outcome than contusions in other locations. Patients with a platelet count &lt; 150 × 10⁹/L experienced a greater volume CE and had a worse outcome when compared to patients with a normal platelet count. In a multivariate analysis, CE remained significantly associated with a poor outcome six months post- injury.</p><h3>Conclusion</h3><p>Contusion volume at admission, Marshall CT classification and Rotterdam CT score, positively correlated to CE. Bifrontal contusions and a platelet count &lt; 150 × 10⁹/L were associated with CE, and a poor clinical outcome. Large CE volumes were associated with a worse clinical outcome, and CE was per se associated with outcome in a multivariate analysis. Management of these risk factors for CE in the acute post-injury setting may be needed to attenuate contusion expansion and to improve clinical outcome in TBI patients suffering from cortical contusion injuries.</p></div>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11422287/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142306938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neuroanatomical photogrammetric models using smartphones: a comparison of apps","authors":"Amedeo Piazza,&nbsp;Sergio Corvino,&nbsp;Daniel Ballesteros,&nbsp;Alice Campeggi,&nbsp;Edoardo Agosti,&nbsp;Simona Serioli,&nbsp;Francesco Corrivetti,&nbsp;Carlo Bortolotti,&nbsp;Matteo De Notaris","doi":"10.1007/s00701-024-06264-y","DOIUrl":"10.1007/s00701-024-06264-y","url":null,"abstract":"<p>A deep knowledge of the surgical anatomy of the target area is mandatory for a successful operative procedure. For this purpose, over the years, many teaching and learning methods have been described, from the most ancient cadaveric dissection to the most recent virtual reality, each with their respective pros and cons. Photogrammetry, an emergent technique, allows for the creation of three-dimensional (3D) models and reconstructions. Thanks to the spreading of photogrammetry nowadays it is possible to generate these models using professional software or even smartphone apps. This study aims to compare the neuroanatomical photogrammetric models generated by the two most utilized smartphone applications in this domain, Metascan and 3D-Scanner, through quantitative analysis.</p><p>Two human head specimens (four sides) were examined. Anatomical dissection was segmented into five stages to systematically expose well-defined structures. After each stage, a photogrammetric model was generated using two prominent smartphone applications. These models were then subjected to both quantitative and qualitative analysis, with a specific focus on comparing the mesh density as a measure of model resolution and accuracy. Appropriate consent was obtained for the publication of the cadaver's image.</p><p>The quantitative analysis revealed that the models generated by Metascan app consistently demonstrated superior mesh density compared to those from 3D-Scanner, indicating a higher level of detail and potential for precise anatomical representation.</p><p>Enabling depth perception, capturing high-quality images, offering flexibility in viewpoints: photogrammetry provides researchers with unprecedented opportunities to explore and understand the intricate and magnificent structure of the brain. However, it is of paramount importance to develop and apply rigorous quality control systems to ensure data integrity and reliability of findings in neurological research. This study has demonstrated the superiority of Metascan in processing photogrammetric models for neuroanatomical studies.</p>","PeriodicalId":7370,"journal":{"name":"Acta Neurochirurgica","volume":"166 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11422470/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142306939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}