Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-07-29DOI: 10.1177/19714009241269522
Zhao Hui Chen Zhou, Amaya Hilario, Elena Salvador Álvarez, Agustín María Cárdenas Del Carre, Juan Romero Coronado, Carmen Lechuga Vázquez, Ana Martínez de Aragón, Ana Ramos González
{"title":"The \"Hypointense Focal Brain\" on susceptibility-weighted imaging as a sign of venous congestion in cranial dural arteriovenous fistulas.","authors":"Zhao Hui Chen Zhou, Amaya Hilario, Elena Salvador Álvarez, Agustín María Cárdenas Del Carre, Juan Romero Coronado, Carmen Lechuga Vázquez, Ana Martínez de Aragón, Ana Ramos González","doi":"10.1177/19714009241269522","DOIUrl":"10.1177/19714009241269522","url":null,"abstract":"<p><strong>Background: </strong>Cranial dural arteriovenous fistulas (dAVFs) are complex neurovascular malformations accounting for approximately 10%-15% of all intracranial arteriovenous malformations. The objective is to investigate the utility of susceptibility-weighted imaging (SWI) in identifying \"hypointense focal brain\" as an additional helpful sign of venous congestion in cranial dAVFs.</p><p><strong>Materials and methods: </strong>A retrospective review of patients diagnosed with cranial dAVFs between January 2015 and June 2023 was conducted, and SWI was used to identify the \"hypointense focal brain\" sign within the venous drainage region of the dAVF. The \"hypointense focal brain\" on SWI was identified as a low-intensity signal within the venous drainage region, indicative of venous congestion. The presence of this imaging sign was assessed by two neuroradiologists and signal intensity measurements were performed to support the presence of the sign.</p><p><strong>Results: </strong>The study included six patients with cranial dAVFs exhibiting cortical venous retrograde drainage and the \"hypointense focal brain\" on SWI. Follow-up imaging post-treatment revealed resolution or improvement of the hypointense signal, confirming its association with venous congestion. Signal intensity measurements further supported the presence of this imaging sign in pre-treatment scans.</p><p><strong>Conclusion: </strong>The study's findings demonstrate the presence of a reversible \"hypointense focal brain\" sign on SWI in patients with cranial dAVFs and CVR, which can be useful as an additional imaging sign for venous congestion.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"64-71"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571536/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141793733","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-06-19DOI: 10.1177/19714009241240312
Nicoletta Anzalone, Simonetta Gerevini, Anna Del Poggio, Simona Gaudino, Francesco Causin, Letterio Salvatore Politi, Fabio Maria Triulzi, Guglielmo Pero, Anna Pichiecchio, Stefano Bastianello, Fabio Massimo Baruzzi, Elena Bianchini, Giovanni Foti, Giuseppe Kenneth Ricciardi, Massimo Sponza, Roberto Menozzi, Mirco Cosottini, Pasquale De Chirico, Luca Saba, Roberto Gasparotti
{"title":"Neuroradiological manifestations in hospitalized patients with COVID-19: An Italian national multicenter study on behalf of AINR (Associazione Italiana di Neuroradiologia) and SIRM (Società Italiana di Radiologia Medica).","authors":"Nicoletta Anzalone, Simonetta Gerevini, Anna Del Poggio, Simona Gaudino, Francesco Causin, Letterio Salvatore Politi, Fabio Maria Triulzi, Guglielmo Pero, Anna Pichiecchio, Stefano Bastianello, Fabio Massimo Baruzzi, Elena Bianchini, Giovanni Foti, Giuseppe Kenneth Ricciardi, Massimo Sponza, Roberto Menozzi, Mirco Cosottini, Pasquale De Chirico, Luca Saba, Roberto Gasparotti","doi":"10.1177/19714009241240312","DOIUrl":"10.1177/19714009241240312","url":null,"abstract":"<p><strong>Purpose: </strong>This multicentric study aims to characterize and assess the occurrence of neuroradiological findings among patients with SARS-CoV-2 infection during the first Italian wave of the pandemic outbreak.</p><p><strong>Materials and methods: </strong>Patients' data were collected between May 2020 and June 2020. Clinical and laboratory data, chest imaging, brain CT, and MRI imaging were included. Acquired data were centralized and analyzed in two hospitals: ASST Spedali Civili, Brescia, and IRRCS San Raffaele Research Hospital, Milan, Italy. COVID-19 patients were classified into two different subgroups, vascular and nonvascular. The vascular pattern was further divided into ischemic and hemorrhagic stroke groups.</p><p><strong>Results: </strong>Four hundred and fifteen patients from 20 different Italian Centers were enrolled in the study. The most frequent symptom was focal neurological deficit, found in 143 patients (34.5%). The most frequent neuroradiological finding was ischemic stroke in 122 (29.4%) patients. Forty-four (10.6%) patients presented a cerebral hemorrhage. Forty-seven patients had non-stroke neuroimaging lesions (11.3%). The most common was PRES-like syndrome (28%), SWI hypointensities (22%), and encephalitis (19%). The stroke group had higher CAD risk (37.5% vs 20%, <i>p</i> = .016) and higher D-dimer levels (1875 ng/mL vs 451 ng/mL, <i>p</i> < .001) compared to the negative group.</p><p><strong>Conclusion: </strong>Our study describes the biggest cohort study in Italy on brain imaging of COVID-19 patients and confirms that COVID-19 patients are at risk of strokes, possibly due to a pro-thrombotic microenvironment. Moreover, apart from stroke, the other neuroradiological patterns described align with the ones reported worldwide.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"44-51"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11562890/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141427950","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}
{"title":"\"The microcatheter contrast injection technique\": A novel technique to detect the proximal end of a thrombus in mechanical thrombectomy.","authors":"Yu Iida, Kentaro Mori, Yosuke Kawahara, Issei Fukui, Ryotaro Yamashita, Mutsuki Takeda, Tatsu Nakano, Satoshi Hori, Jun Suenaga, Nobuyuki Shimizu, Motohiro Nomura, Tetsuya Yamamoto","doi":"10.1177/19714009231224427","DOIUrl":"10.1177/19714009231224427","url":null,"abstract":"<p><p><b>Background:</b> An aspiration catheter needs to attach to a thrombus in order to achieve first-pass recanalization by mechanical thrombectomy (MT) for acute ischemic stroke (AIS), particularly that using a direct aspiration first pass technique. The meniscus sign, which is defined as meniscoid contrast opacification indicating the proximal edge of a thrombus, has been suggested to contribute to successful recanalization. In some cases, the meniscus sign is not detected following an injection of contrast medium through a guiding catheter. To precisely identify the location of a thrombus, we use \"the microcatheter contrast injection (MCI) technique,\" which accurately shows the proximal edge of a thrombus. We herein introduce this novel technique and discuss its efficacy in MT. <b>Methods:</b> In cases without the meniscus sign, a microcatheter was advanced to the distal end of contrast opacification, and contrast medium was injected through the microcatheter to detect the meniscus sign. An aspiration catheter was then advanced to the thrombus indicated by the meniscus sign and slowly withdrawn under aspiration. <b>Results:</b> 29 patients underwent MT for AIS using the MCI technique. Even in cases without the meniscus sign on initial angiography, the MCI technique accurately revealed the proximal edge of the thrombus. Moreover, middle cerebral artery occlusion due to atherosclerotic stenosis and displacement of the aspiration catheter and thrombus axis were detected using this technique. <b>Conclusions:</b> The MCI technique may effectively reveal the exact site of a thrombus and increase the success rate of first-pass recanalization.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"98-105"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11826444/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139049537","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-07-31DOI: 10.1177/19714009241269457
Sávio Batista, Lucca B Palavani, Gabriel Verly, Marcio Yuri Ferreira, João Pedro Bittar Sanches, Guilherme Melo Silva, Agostinho C Pinheiro, José Alberto Almeida Filho
{"title":"Comparing open and closed cell stents in idiopathic intracranial hypertension: A comprehensive meta-analysis of clinical outcomes.","authors":"Sávio Batista, Lucca B Palavani, Gabriel Verly, Marcio Yuri Ferreira, João Pedro Bittar Sanches, Guilherme Melo Silva, Agostinho C Pinheiro, José Alberto Almeida Filho","doi":"10.1177/19714009241269457","DOIUrl":"10.1177/19714009241269457","url":null,"abstract":"<p><p><b>Background:</b> Open cell stents (OC) and closed cell stents (CC) each offer unique advantages and potential drawbacks in the context of idiopathic intracranial hypertension (IIH) treatment. We aim to investigate the safety and efficacy of using OC and CC for IIH.<b>Methods:</b> We conducted a systematic review in PubMed, Embase, and Cochrane Library databases following the PRISMA guidelines. Eligible studies included ≥4 patients with IIH treated by OC or CC. Primary outcomes were headache, visual acuity, and papilledema status before and after the procedure. Additionally, failure rate, minor complications, major complications, and total complications were assessed. Pooled analysis of the OC group and CC group were done separately and then compared.<b>Results:</b> Twenty-four studies were included. Of these, 20 reported on OC and 6 reported on CC. Pooled analysis of failure rate was 8% (4%-12%) in OC and 5% (0%-11%) in CC. For headache improvement rate: 78% (70%-86%) in OC and 81% (66%-69%) in CC. For visual acuity improvement: 78% (65%-92%) in OC and 76% (29%-100%) in CC. For papilledema improvement: 88% (77%-98%) in OC and 82% (67%-98%) in CC. For minor complications: 0% (0%-1%) in OC and 0% (0%-2%) in CC. For major complications: 0% (0%-1%) in OC and 2% (0%-6%) in CC. Total complications: 0% (0%-1%) in OC and 2% (0%-6%) in CC.<b>Conclusion:</b> Low failure and complication rates were found in both OC and CC, with no significant difference between them in effectiveness. The CC showed a slight but significant increase in major and total complications compared to the OC. Additionally, a subtle yet significantly lower failure rate was identified in the CC.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"21-29"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571487/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141856748","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-08-01DOI: 10.1177/19714009241269491
Jithin Sivan Sulaja, Santhosh K Kannath, Viswanadh Kalaparti Sri Venkata Ganesh, Bejoy Thomas
{"title":"Evaluation of multiple deep neural networks for detection of intracranial dural arteriovenous fistula on susceptibility weighted angiography imaging.","authors":"Jithin Sivan Sulaja, Santhosh K Kannath, Viswanadh Kalaparti Sri Venkata Ganesh, Bejoy Thomas","doi":"10.1177/19714009241269491","DOIUrl":"10.1177/19714009241269491","url":null,"abstract":"<p><strong>Background: </strong>The natural history of intracranial dural arteriovenous fistula (DAVF) is variable and early diagnosis is crucial in order to positively impact the clinical course of aggressive DAVF. Artificial intelligence (AI) based techniques can be promising in this regard, and in this study, we used various deep neural network (DNN) architectures to determine whether DAVF could be reliably identified on susceptibility-weighted angiography images (SWAN).</p><p><strong>Materials and methods: </strong>A total of 3965 SWAN image slices from 30 digital subtraction angiographically proven DAVF patients and 4380 SWAN image slices from 40 age-matched patients with normal MRI findings as control group were included. The images were categorized as either DAVF or normal and the data was trained using various DNN such as VGG-16, EfficientNet-B0, and ResNet-50.</p><p><strong>Results: </strong>Various DNN architectures showed the accuracy of 95.96% (VGG-16), 91.75% (EfficientNet-B0), and 86.23% (ResNet-50) on the SWAN image dataset. ROC analysis yielded an area under the curve of 0.796 (<i>p</i> < .001), best for VGG-16 model. Criterion of seven consecutive positive slices for DAVF diagnosis yielded a sensitivity of 74.68% with a specificity of 69.15%, while setting eight slices improved the sensitivity to above 80.38%, with a decrease of specificity up to 56.38%. Based on seven consecutive positive slices criteria, EfficientNet-B0 yielded a sensitivity of 73.21% with a specificity of 45.92% and ResNet-50 yielded a sensitivity of 72.39% with a specificity of 67.42%.</p><p><strong>Conclusion: </strong>This study shows that DNN can extract discriminative features of SWAN for the classification of DAVF from normal with good accuracy, reasonably good sensitivity and specificity.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"72-78"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571296/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876353","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-03-24DOI: 10.1177/19714009241242651
Buse Cagla Ari, Baran Baydar, Mehmet Elgezen
{"title":"Carotidynia: Overview of an uncommon identification for unilateral neck pain.","authors":"Buse Cagla Ari, Baran Baydar, Mehmet Elgezen","doi":"10.1177/19714009241242651","DOIUrl":"10.1177/19714009241242651","url":null,"abstract":"<p><strong>Background: </strong>Carotidynia, also known as Fay Syndrome, manifests as an atypical facial neuralgia characterized by an unusual neck pain extending towards the head and associated with carotid artery tenderness. Diagnostic criteria include neck tenderness, elevated carotid pulse without anatomical abnormalities, and neck distension. It was initially classified as a vascular headache but later re-evaluated and reclassified as a nonentity-a general condition caused by nonvascular factors. The etiology has not been extensively elucidated.</p><p><strong>Case presentation: </strong>We present two cases characterized by dysphagia, intermittent discomfort, and numbness in the throat and cervical region. Although the neurological examinations yielded no abnormalities, the diagnosis of carotidynia was ultimately established among the differential diagnoses upon the identification of wall thickening and inflammatory alterations through neuroimaging.</p><p><strong>Conclusions: </strong>Carotidynia is consistent with idiopathic vasculitis near the distal common carotid artery. Inflammatory processes trigger sympathetic plexus stimulation, causing discomfort in the head and neck. Neuroimaging resolves ambiguities in idiopathic unilateral neck pain, detecting soft tissue growth near the carotid artery. \"Carotidynia\" now refers to a diagnostic symptom and clinical entity encompassing a variety of disorders; therefore, approach to definition remains controversial. This report aims to raise healthcare awareness by highlighting two different cases of carotidynia.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"124-127"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571302/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140207927","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2023-12-27DOI: 10.1177/19714009231224449
Juan P Cuesta, Laura C Rodríguez, Laura Perdomo, Nicolás Bastidas
{"title":"Ulnar nerve mononeuropathy in a patient with Hansen's disease: Clinical and radiological features.","authors":"Juan P Cuesta, Laura C Rodríguez, Laura Perdomo, Nicolás Bastidas","doi":"10.1177/19714009231224449","DOIUrl":"10.1177/19714009231224449","url":null,"abstract":"<p><p>Leprosy is a chronic infection caused by bacteria called <i>Mycobacterium leprae</i>. This is a prevalent disease in low-income countries, and it has not been completely eradicated. We present the case of a 29-year-old man with a previous diagnosis of Hansen's disease, who consulted for pain in the left elbow and wrist, associated with fever with preserved mobility and pain on palpation. Diagnosis of mononeuropathy of the ulnar nerve was made by MRI of the elbow and forearm. This entity corresponds to an infrequent complication of this infection with few cases reported in the literature. Our added value with this case is to show and explain the clinical imaging correlation, which is vital to understand the presentation of symptoms and to carry out a comprehensive and rapid approach to establish adequate and timely treatment.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"106-109"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11815953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139040740","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-03-23DOI: 10.1177/19714009241242587
Ian Mark, Ajay Madhavan, Carrie Carr, Jeremy Cutsforth-Gregory
{"title":"Intrathecal hematoma following epidural blood patch: An alternative mechanism to intrathecal puncture.","authors":"Ian Mark, Ajay Madhavan, Carrie Carr, Jeremy Cutsforth-Gregory","doi":"10.1177/19714009241242587","DOIUrl":"10.1177/19714009241242587","url":null,"abstract":"<p><p>Intrathecal blood after a percutaneous epidural blood patch is a known complication, one that has been previously attributed to inadvertent needle tip position in the subarachnoid space. We present two cases with imaging confirmation of an alternative mechanism, one that includes blood transferring from the epidural space to the subarachnoid space through a pre-existing dural defect.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"121-123"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571288/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140194828","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}
{"title":"Treatment outcome of bridge mechanical thrombectomy with different IV-tPA dosages in the standard and extended time window in real-world practice.","authors":"Hao-Te Liu, Wen-Chun Deng, Ching-Wen Chang, Yi Ming Wu, Ho-Fai Wong, Chien-Hung Chang, Mun-Chun Yeap, Ching-Chang Chen, Chung-Ting Chen, Yu-Ting Huang, Yao-Liang Chen","doi":"10.1177/19714009241269447","DOIUrl":"10.1177/19714009241269447","url":null,"abstract":"<p><strong>Background: </strong>Differences of treatment outcome between full or reduced dose of tissue plasminogen activator (tPA) for bridge mechanical thrombectomy (MT) in the extended time window have not been clearly established. We aimed to present real-world results of bridge MT with different tPA dosages in the standard and extended windows.</p><p><strong>Materials and methods: </strong>Patients with anterior circulation stroke treated with MT between 2017 and 2021 at two stroke referral centers were retrospectively reviewed. Bridge MT with tPA were categorized as full (0.9 mg/kg) or reduced (<0.9 mg/kg) dose. Standard window (SW) cohort was defined as MT performed within 6 h of acute ischemic stroke onset, while those beyond 6 h as the extended window (EW) cohort. 90 days Modified Rankin Scale (mRS) score, technical treatment success, in-hospital mortality, and post-treatment hemorrhage were analyzed.</p><p><strong>Results: </strong>A total of 423 patients met the inclusion criteria, 218 of which treated in the SW, while 205 treated in the EW. Within the SW cohort, the full-dose tPA group demonstrated a higher proportion of good functional outcome (GFO) at 90 days (mRS0-3) versus reduced (49% vs 21%, <i>p</i> = 0.0358). The overall GFO of SW was higher than that of the EW cohort (33% vs 20%, <i>p</i> = 0.0480). Within the EW cohort, GFO was similar between full and reduced dose groups. Successful reperfusion rate was lower in SW versus EW cohorts (39% vs 58%, <i>p</i> = 0.0199).</p><p><strong>Conclusion: </strong>In real-world practice, the GFO of bridge MT is better than MT alone. The tPA dosage is not a determining factor of GFO in EW MT.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"87-92"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571331/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142056895","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}
Neuroradiology JournalPub Date : 2025-02-01Epub Date: 2024-08-08DOI: 10.1177/19714009241269540
Shruti Mishra, Ashok Srinivasan, Lauren Kelsey, Katherine Bojicic, Maria Masotti, Qiaochu Chen, Ellen Hoeffner, Steven Kronick, Diana Gomez-Hassan
{"title":"Implementing a rapid cord compression Magnetic Resonance Imaging protocol in the emergency department: Lessons learned.","authors":"Shruti Mishra, Ashok Srinivasan, Lauren Kelsey, Katherine Bojicic, Maria Masotti, Qiaochu Chen, Ellen Hoeffner, Steven Kronick, Diana Gomez-Hassan","doi":"10.1177/19714009241269540","DOIUrl":"10.1177/19714009241269540","url":null,"abstract":"<p><strong>Background & purpose: </strong>(1) Evaluate efficacy of an abbreviated total spine protocol in triaging emergency department (ED) patients through retrospective evaluation. (2) Describe patient outcomes following implementation of a rapid cord compression protocol.</p><p><strong>Methods: </strong>(1) All contrast-enhanced total spine magnetic resonance imaging studies (MRIs) performed on ED patients (<i>n</i> = 75) between 10/1-12/31/2022 for evaluation of cord compression were included. Two readers with 6 and 5 years of experience blindly reviewed the abbreviated protocol (comprised of sagittal T2w and axial T2w sequences) assessing presence of cord compression or severe spinal canal stenosis. Ground truth was consensus by a neuroradiology fellow and 2 attendings. (2) The implemented rapid protocol included sagittal T1w, sagittal T2w Dixon and axial T2w images. All ED patients (<i>n</i> = 85) who were imaged using the rapid protocol from 5/1-8/31/2023 were included. Patient outcomes and call-back rates were determined through chart review.</p><p><strong>Results: </strong>(1) Sensitivity and specificity for severe spinal canal stenosis and/or cord compression was 1.0 and 0.92, respectively, for reader 1 and 0.78 and 0.85, respectively, for reader 2. Negative predictive value was 1.0 and 0.97 for readers 1 and 2, respectively. (2) The implemented rapid cord compression protocol resulted in 60% reduction in imaging time at 1.5T. The call-back rate for additional sequences was 7%. In patients who underwent surgery, no additional MRI images were acquired in 82% of cases (9/11).</p><p><strong>Conclusions: </strong>Implementing an abbreviated non-contrast total spine protocol in the ED results in a low call-back rate with acquired MRI images proving sufficient for both triage and treatment planning in most patients.</p>","PeriodicalId":47358,"journal":{"name":"Neuroradiology Journal","volume":" ","pages":"79-86"},"PeriodicalIF":1.3,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11571330/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141908007","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}