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Chiaroni PM, Guerra X, Cortese J, Burel J, Courret T, Constant Dit Beaufils P, Agripnidis T, Leonard-Lorant I, Fauché C, Bankole NDA, Forestier G, L'allinec V, Sporns PB, Gueton G, Lorena N, Psychogios MN, Girot JB, Rouchaud A, Janot K, Raynaud N, Pop R, Hak JF, Kerleroux B, Bourcier R, Marnat G, Papagiannaki C, Sourour NA, Clarençon F, Shotar E. Location specific rupture risk of intracranial aneurysms: case of ophthalmic aneurysms. J Neurointerv Surg 2023:jnis-2023-020909. [PMID: 37798103 DOI: 10.1136/jnis-2023-020909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/13/2023] [Indexed: 10/07/2023]
Abstract
BACKGROUND Aneurysm location is a key element in predicting the rupture risk of an intracranial aneurysm. A common impression suggests that pure ophthalmic aneurysms are under-represented in ruptured intracranial aneurysms (RIAs). The purpose of this study was to specifically evaluate the risk of rupture of ophthalmic aneurysms compared with other aneurysm locations. METHODS This multicenter study compared the frequency of ophthalmic aneurysms in a prospective cohort of RIAs admitted to 13 neuroradiology centers between January 2021 and March 2021, with a retrospective cohort of patients with unruptured intracranial aneurysms (UIAs) who underwent cerebral angiography at the same neuroradiology centers during the same time period. RESULTS 604 intracranial aneurysms were included in this study (355 UIAs and 249 RIAs; mean age 57 years (IQR 49-65); women 309/486, 64%). Mean aneurysm size was 6.0 mm (5.3 mm for UIAs, 7.0 mm for RIAs; P<0.0001). Aneurysm shape was irregular for 37% UIAs and 73% RIAs (P<0.0001). Ophthalmic aneurysms frequency was 14.9% of UIAs (second most common aneurysm location) and 1.2% of RIAs (second least common aneurysm location; OR 0.07 (95% CI 0.02 to 0.23), P<0.0001). CONCLUSIONS Ophthalmic aneurysms seem to have a low risk of rupture compared with other intracranial aneurysm locations. This calls for a re-evaluation of the benefit-risk balance when considering preventive treatment for ophthalmic aneurysms.
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Affiliation(s)
| | - Xavier Guerra
- Department of Neuroradiology, University Hospital Pitié Salpêtrière, Paris, France
- Sainte Anne Hospital, Paris, France
| | - Jonathan Cortese
- Interventional Neuroradiology, Bicêtre Hospital, Le Kremlin-Bicêtre, France
| | - Julien Burel
- Radiology, Rouen University Hospital, Rouen, France
| | - Thomas Courret
- Neuroradiology Department, Bordeaux University Hospital, Bordeaux, France
| | | | | | - Ian Leonard-Lorant
- Interventional Neuroradiology Department, Strasbourg University Hospital, Strasbourg, France
| | | | | | - Géraud Forestier
- Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France
| | | | - Peter B Sporns
- Department of Neuroradiology, University Hospital Basel, Basel, Switzerland
- Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Gaelle Gueton
- Interventional Neuroradiology Department, Saint-Etienne University Hospital, Saint-Etienne, France
| | - Nico Lorena
- Interventional Neuroradiology Department, Saint-Etienne University Hospital, Saint-Etienne, France
| | | | | | - Aymeric Rouchaud
- Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France
- University of Limoges, CNRS, XLIM, UMR 7252, Limoges, France
| | - Kevin Janot
- Neuroradiology, University Hospital of Tours, Tours, France
| | | | - Raoul Pop
- Interventional Neuroradiology Department, Strasbourg University Hospital, Strasbourg, France
| | | | | | - Romain Bourcier
- Diagnostic and Interventional Neuroradiology Department, CHU Nantes, Nantes, France
| | - Gaultier Marnat
- Neuroradiology Department, Bordeaux University Hospital, Bordeaux, France
| | | | | | - Frédéric Clarençon
- Department of Neuroradiology, University Hospital Pitié Salpêtrière, Paris, France
- Sorbonne University, Paris, France
| | - Eimad Shotar
- Department of Neuroradiology, University Hospital Pitié Salpêtrière, Paris, France
- INSERM, CNRS, Vision Institute, Sorbonne University, Paris, France
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Chiaroni PM, Premat K, Shotar E, Drir M, Trebern H, Beth A, Bonnet B, Mathout J, Bonaccorsi R, Morardet L, Cormier É, Chiras J, Clarençon F. Extraction of cement leakages and malpositioned spindles complicating percutaneous interventions: why, when and how? Eur Radiol 2022; 32:7632-7639. [PMID: 35449235 DOI: 10.1007/s00330-022-08787-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/08/2022] [Accepted: 03/30/2022] [Indexed: 01/03/2023]
Abstract
OBJECTIVES Cement leakages in soft tissues are a common occurrence during cementoplasty. They may cause chronic pain, and thus treatment failure. Spindle malposition during reinforced cementoplasty may cause vascular, nerve or cartilage injury. Our goal was to evaluate the rate of cement leakage/spindle extraction and describe the techniques used. METHODS This retrospective monocentre study included 104 patients who underwent reinforced cementoplasty and 3425 patients who underwent cementoplasty between 2012 and 2020. Operative reports and fluoroscopic images were reviewed to identify extraction attempts and their outcomes. RESULTS Six patients (5.8%) had a malpositioned spindle, and all of them underwent spindle extraction during reinforced cementoplasty, with an 80% success rate. A total of 7 attempts were performed, using 2 different techniques. One thousand one hundred thirty patients (32%) had a cement leak in soft tissues, and 7 (0.6%) underwent cement leakage extraction during cementoplasty, with a 100% success rate. A total of 10 attempts were performed, using 3 different techniques. No major complication related to the extraction procedures occurred. CONCLUSIONS Spindle malpositions and soft tissue cement leakages are not uncommon. We described 5 different percutaneous techniques that were safe and effective to extract spindles and paravertebral cement fragments. KEY POINTS • Soft tissue cement leakages or spindle malpositions are a non-rare occurrence during cementoplasty, and may cause technical failure and/or chronic pain. • Most soft tissue cement fragments and malpositioned spindles can easily be extracted using simple percutaneous techniques.
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Affiliation(s)
- Pierre-Marie Chiaroni
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Kévin Premat
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France.,Sorbonne University, Paris, France
| | - Eimad Shotar
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Mehdi Drir
- Department of Anesthesiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Hugo Trebern
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Adrien Beth
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Baptiste Bonnet
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Jugurtha Mathout
- Department of Anesthesiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Raphaël Bonaccorsi
- Department of Orthopedic Surgery, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Laetitia Morardet
- Department of Oncology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | - Évelyne Cormier
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France
| | | | - Frédéric Clarençon
- Department of Neuroradiology, Pitié-Salpêtrière Hospital, APHP, Sorbonne University, 47 boulevard de l'Hôpital, 75013, Paris, France. .,Sorbonne University, Paris, France. .,GRC BioFast, Sorbonne University, Paris, France.
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Dimancea A, Premat K, Shotar E, Cormier E, Chiaroni PM, Mahtout J, Clarençon F. Rescue technique for trapped bone needle in cement cast. J Neurointerv Surg 2022; 14:1158. [DOI: 10.1136/neurintsurg-2021-018343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/07/2021] [Indexed: 11/04/2022]
Abstract
Avascular necrosis, or Kummel disease, is a potential complication of vertebral compression fractures. It is believed to arise as a result of a failed fracture healing process,1 2 leading to the formation of an air or fluid filled cavity within the vertebral body.3 Percutaneous vertebroplasty seems to provide both pain relief and increased spinal stability in avascular necrosis.4 In this technical video, we present the case of an osteoporotic patient with a complicated vertebroplasty, caused by trapping of the bone needle inside the intravertebral cement cast. Two methods were used sequentially, leading to retrieval of the bone needle. We identified several technical aspects, such as injection speed, quasi-filling of the vertebral cavity, and frequent rotation of the bone needle as essential for the success of the procedural. We suggest that improving these parameters may prevent intravertebral bone needle trapping in patients with avascular necrosis.Video 1
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Hossan T, Nagarajan S, Baumgart SJ, Xie W, Magallanes RT, Hernandez C, Chiaroni PM, Indenbirken D, Spitzner M, Thomas-Chollier M, Grade M, Thieffry D, Grundhoff A, Wegwitz F, Johnsen SA. Histone Chaperone SSRP1 is Essential for Wnt Signaling Pathway Activity During Osteoblast Differentiation. Stem Cells 2016; 34:1369-76. [PMID: 27146025 DOI: 10.1002/stem.2287] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 11/12/2015] [Indexed: 12/21/2022]
Abstract
Cellular differentiation is accompanied by dramatic changes in chromatin structure which direct the activation of lineage-specific transcriptional programs. Structure-specific recognition protein-1 (SSRP1) is a histone chaperone which is important for chromatin-associated processes such as transcription, DNA replication and repair. Since the function of SSRP1 during cell differentiation remains unclear, we investigated its potential role in controlling lineage determination. Depletion of SSRP1 in human mesenchymal stem cells elicited lineage-specific effects by increasing expression of adipocyte-specific genes and decreasing the expression of osteoblast-specific genes. Consistent with a role in controlling lineage specification, transcriptome-wide RNA-sequencing following SSRP1 depletion and the induction of osteoblast differentiation revealed a specific decrease in the expression of genes involved in biological processes related to osteoblast differentiation. Importantly, we observed a specific downregulation of target genes of the canonical Wnt signaling pathway, which was accompanied by decreased nuclear localization of active β-catenin. Together our data uncover a previously unknown role for SSRP1 in promoting the activation of the Wnt signaling pathway activity during cellular differentiation. Stem Cells 2016;34:1369-1376.
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Affiliation(s)
- Tareq Hossan
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Sankari Nagarajan
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Simon J Baumgart
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Wanhua Xie
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Roberto Tirado Magallanes
- Computational Systems Biology Team, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), CNRS, Inserm, Ecole Normale Supérieure, PSL Research University, Paris, France
| | - Céline Hernandez
- Computational Systems Biology Team, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), CNRS, Inserm, Ecole Normale Supérieure, PSL Research University, Paris, France
| | - Pierre-Marie Chiaroni
- Computational Systems Biology Team, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), CNRS, Inserm, Ecole Normale Supérieure, PSL Research University, Paris, France
| | - Daniela Indenbirken
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Melanie Spitzner
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Morgane Thomas-Chollier
- Computational Systems Biology Team, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), CNRS, Inserm, Ecole Normale Supérieure, PSL Research University, Paris, France
| | - Marian Grade
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Denis Thieffry
- Computational Systems Biology Team, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), CNRS, Inserm, Ecole Normale Supérieure, PSL Research University, Paris, France
| | - Adam Grundhoff
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Florian Wegwitz
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
| | - Steven A Johnsen
- Department of General, Visceral and Pediatric Surgery, Göttingen Center for Molecular Biosciences (GZMB), University Medical Center Göttingen, Göttingen, Germany
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