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Chinnadurai A, Salih M, Taussky P, Ogilvy C. Safety and Outcomes of the Off-Label Treatment of Intracranial Aneurysms with Pipeline Embolization Device: A Systematic Review and Meta-analysis. World Neurosurg 2024; 185:e786-e799. [PMID: 38432507 DOI: 10.1016/j.wneu.2024.02.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Off-label use of pipeline embolization devices (PEDs) has been increasingly used for endovascular treatment of intracranial aneurysms. Numerous articles have highlighted the safety and effectiveness of PED placement from independent centers for both on- and off-label indications. There remains a paucity of information that considers overall safety and efficacy of off-label PED placement across the existing literature. Our objective is to systematically review the safety and occlusion outcomes of PED off-label use in intracranial aneurysm embolization. METHODS A systematic search of PubMed and Embase was performed to identify studies on off-label use of PED. The selected studies provided relevant information, including study characteristics, patient demographics, clinical outcomes, peri-procedural complications, and long-term outcomes, which were subjected to meta-analysis. RESULTS Twelve studies met the inclusion and exclusion criteria. There were 747 patients and 791 aneurysms included for analysis. Among the patient, 69.2% were female, with an age range of 16 to 80 years. The overall incidence rates for ischemic and hemorrhagic complications were 7% (95% CI: 4%-10%) and 2% (95% CI: 0%-4%), respectively. The mortality rate was 1% (95% CI: 0%-4%). The occlusion rates of aneurysm at initial follow up and 1 year follow-up were 82% (95% CI: 72%-91%) and 81% (95%CI: 75%-86%), respectively. Meta-regression analysis indicated no correlation between occlusion rate and factors such as age, sex, aneurysm size, location, morphology, rupture, or history of treatment. CONCLUSIONS Despite variations in results observed in single-center studies, this meta-analysis provides evidence supporting the safety and efficacy of PED off-label use.
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Affiliation(s)
- Anu Chinnadurai
- Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
| | - Mira Salih
- Neurosurgical Service, Harvard Medical School, Beth Israel Deaconess Medical Center, Brain Aneurysm Institute, Boston, Massachusetts, USA
| | - Philipp Taussky
- Neurosurgical Service, Harvard Medical School, Beth Israel Deaconess Medical Center, Brain Aneurysm Institute, Boston, Massachusetts, USA
| | - Christopher Ogilvy
- Neurosurgical Service, Harvard Medical School, Beth Israel Deaconess Medical Center, Brain Aneurysm Institute, Boston, Massachusetts, USA.
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Kawasaki T, Nakamura T, Ohtake M, Akimoto T, Manaka H, Hamada K, Sakata K, Iwashita M, Takeuchi I, Yamamoto T. Clinical characteristics of aneurysmal subarachnoid haemorrhage complicated by Takotsubo cardiomyopathy resulting in good neurological outcome. Br J Neurosurg 2024:1-8. [PMID: 38571386 DOI: 10.1080/02688697.2024.2334432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Takotsubo cardiomyopathy (TC) is a well-known complication of subarachnoid haemorrhage (SAH), often accompanied by neurogenic myocardial dysfunction. Although TC has been reported to be associated with higher morbidity and mortality among patients with aneurysmal SAH (aSAH), some patients have been reported to recover, the profiles and follow-up outcomes of these survivors remain unclear. MATERIALS AND METHODS To characterize the profiles of patients with aSAH complicated by TC who experienced favourable outcomes using long-term follow-up data, a consecutive series of patients with aSAH were enrolled and TC diagnosis was based on the revised version of the Mayo Clinic criteria. Clinical outcomes were assessed at 6 months according to modified Rankin Scale scores. RESULTS Among 165 consecutive patients with aSAH, 15 cases were complicated by TC, corresponding to an occurrence rate of 9.0%. Five patients with aSAH complicated by TC (33.3%) experienced a favourable outcome, and the mean value of systolic blood pressure on arrival was significantly lower than in those who experienced an unfavourable outcome (p = 0.032). CONCLUSION According to analysis, it is possible cardiac dysfunction with decreased cerebral perfusion pressure and catecholamine toxicity transiently worsens conscious disturbance in aSAH complicated by TC. Therefore, it is important to carefully screen patients with aSAH to identify those complicated by TC, and for close collaboration of the multidisciplinary team to design appropriate treatment strategies.
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Affiliation(s)
- Takafumi Kawasaki
- Department of Emergency and Critical Care, Yokohama City University Medical Center, Yokohama, Japan
| | - Taishi Nakamura
- Department of Neurosurgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Makoto Ohtake
- Department of Emergency and Critical Care, Yokohama City University Medical Center, Yokohama, Japan
| | - Taisuke Akimoto
- Department of Neurosurgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Hiroshi Manaka
- Department of Neurosurgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Koichi Hamada
- Department of Neurosurgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Katsumi Sakata
- Department of Neurosurgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Masayuki Iwashita
- Department of Emergency and Critical Care, Yokohama City University Medical Center, Yokohama, Japan
| | - Ichiro Takeuchi
- Department of Emergency and Critical Care, Yokohama City University Medical Center, Yokohama, Japan
| | - Tetsuya Yamamoto
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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Senol YC, Orscelik A, Bilgin C, Kobeissi H, Ghozy S, Arul S, Kallmes DF, Kadirvel R. Safety and efficacy profile of off-label use of the Pipeline Embolization Device: A systematic review and meta-analysis. J Stroke Cerebrovasc Dis 2024; 33:107586. [PMID: 38242183 PMCID: PMC10939757 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/08/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024] Open
Abstract
OBJECTIVE The off-label utilization of the Pipeline Embolization Device (PED) is a common practice in numerous medical centers globally. Therefore, we conducted a systematic review and meta-analysis to evaluate the overall outcomes of this off-label usage of PEDs. METHODS PubMed, Web of Science, Ovid Medline, Ovid Embase, and Scopus were searched up to February 2023 using the Nested Knowledge platform to identify studies assessing the off-label use of PEDs. Any use of PED outside of the FDA-approved indication granted in 2018 is considered off-label use. Overall angiographic occlusion rates, ischemic and hemorrhagic complications, mortality, retreatment rates, and favorable clinic outcomes were included. Statistical analyses were performed to compare the overall outcome rates of anterior cerebral artery(ACA) vs. middle cerebral artery(MCA) and anterior vs posterior circulation subgroups. RESULTS We included 26 studies involving a total of 1,408 patients. The overall rate of complete occlusion was 80.3 % (95 % CI= 76.0-84.1). Subgroup analysis demonstrated a statistically significant difference in the rate of complete occlusion between anterior circulation (78.9 %) and posterior circulation (69.2 %) (p value=0.02). The rate of good clinical outcomes was 92.8 % (95 % CI= 88.8-95.4). The mortality rate was 1.4 % (95 % CI= 0.5-2.7). The overall rate of ischemic complications was 9.5 % (95 % CI= 7.7-11.6), with a comparable difference between anterior circulation (7.7 %) and posterior circulation (12.8 %) (p value=0.07). There was no statistically significant difference in MCA vs ACA subgroups in all parameters. CONCLUSIONS Off-label use of PEDs can be a safe and effective treatment option for intracranial aneurysms. However, there is a need for more prospective, high-quality, non-industry-funded registry studies and randomized trials to test the efficacy and safety of off-label usage of PEDs and to expand its indications.
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Affiliation(s)
- Yigit Can Senol
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA.
| | - Atakan Orscelik
- Department of Neurosurgery, Medical University of South Carolina, SC, USA
| | - Cem Bilgin
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | | | - Sherief Ghozy
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Santhosh Arul
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA
| | | | - Ramanathan Kadirvel
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA; Department of Radiology, Mayo Clinic, Rochester, MN, USA
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Essibayi MA, Lanzino G, Keser Z. Endovascular treatments of intracranial vertebral and internal carotid arteries dissections: An interactive systematic review and meta-analysis. Interv Neuroradiol 2024; 30:22-30. [PMID: 35450460 PMCID: PMC10956451 DOI: 10.1177/15910199221095789] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/04/2022] [Indexed: 12/28/2022] Open
Abstract
INTRODUCTION Management of intracranial artery dissection (IAD) remains elusive in medical practice. Intracranially, vertebral artery dissection (VAD) is more commonly encountered than internal carotid artery dissection (ICAD). Deconstructive (EVT-d) and reconstructive (EVT-r) endovascular techniques have been utilized to treat VAD and ICAD. This meta-analysis investigates the safety and efficacy of EVT-r and EVT-d in the management of VAD and ICAD. METHODS The literature was searched for all studies with consecutive patient series evaluating EVT-d or EVT-r for VAD or ICAD management. Baseline characteristics and outcomes were compared between EVT-r and EVT-d groups using the random-effect model and meta-regression approaches. RESULTS Overall, 1095 cases pooled from 56 studies were included. There was no statistically significant difference in baseline characteristics between VAD and ICAD. EVT-r was applied in 647 cases (59.1%) and EVT-d in the rest There was no statistical difference in the rate of procedural complications between EVT-r and EVT-d. Although EVT-d was significantly associated with higher rates of complete aneurysm occlusion (86.4%), lower rates of good clinical outcomes (72.1%) and higher mortality (15.1%) were achieved compared to EVT-r (70.2%, 83.3%, and 9.5%; respectively). The mortality rate was higher, and good clinical outcomes were less common in ruptured aneurysms. Ischemic presentation was statistically associated with poor outcomes (mRS 3-5) but low mortality. ICAD often tended to grow following treatment and resulted in poor neurological outcomes. CONCLUSIONS IAD has favorable outcomes when treated appropriately. Novel reconstructive endovascular techniques are promising and should be integrated well in endovascular practice. Further studies are warranted.
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Affiliation(s)
| | | | - Zafer Keser
- Department of Neurology, Mayo Clinic, Rochester, USA
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Outcomes after Flow Diverter Treatment in Subarachnoid Hemorrhage: A Meta-Analysis and Development of a Clinical Prediction Model (OUTFLOW). Brain Sci 2022; 12:brainsci12030394. [PMID: 35326350 PMCID: PMC8946659 DOI: 10.3390/brainsci12030394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/07/2022] [Accepted: 03/10/2022] [Indexed: 02/01/2023] Open
Abstract
Background: patients with a subarachnoid hemorrhage (SAH) might need a flow diverter (FD) placement for complex acutely ruptured intracranial aneurysms (IAs). We conducted a meta-analysis and developed a prediction model to estimate the favorable clinical outcome after the FD treatment in acutely ruptured IAs. Methods: a systematic literature search was performed from 2010 to January 2021 in PubMed and Embase databases. Studies with more than five patients treated with FDs within fifteen days were included. In total, 1157 studies were identified. The primary outcome measure was the favorable clinical outcome (mRS 0–2). Secondary outcome measures were complete occlusion rates, aneurysm rebleeding, permanent neurologic deficit caused by procedure-related complications, and all-cause mortality. A prediction model was constructed using individual patient-level data. Results: 26 retrospective studies with 357 patients and 368 aneurysms were included. The pooled rates of the favorable clinical outcome, mortality, and complete aneurysm occlusion were 73.7% (95% CI 64.7–81.0), 17.1% (95% CI 13.3–21.8), and 85.6% (95% CI 80.4–89.6), respectively. Rebleeding occurred in 3% of aneurysms (11/368). The c-statistic of the final model was 0.83 (95% CI 0.76–0.89). All the studies provided a very low quality of evidence. Conclusions: FD treatment can be considered for complex ruptured IAs. Despite high complication rates, the pooled clinical outcomes seem favorable. The prediction model needs to be validated by larger prospective studies before clinical application.
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Baker C, Muse J, Taussky P. Takotsubo Syndrome in Neurologic Disease. World Neurosurg 2021; 149:26-31. [PMID: 33556594 DOI: 10.1016/j.wneu.2021.01.139] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 01/09/2023]
Abstract
Transient cardiac dysfunction, or Takotsubo cardiomyopathy, is a well-known complication among patients presenting with neurologic insult, who are described as having takotsubo syndrome. This condition is commonly associated with aneurysmal subarachnoid hemorrhage but has also been described in patients after cerebral surgery or in those with ischemic stroke, seizure, and traumatic brain injury. Current evidence suggests that cardiac dysfunction in these patients is a result of increases in catecholamines that are induced by supraphysiologic levels of sympathetic activity. The cardiac injury is typically reversible and carries a good prognosis, but secondary complications may arise if the diagnosis is not recognized early.
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Affiliation(s)
- Cordell Baker
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA
| | - John Muse
- Department of Neurosurgery, University of Vermont, Burlington, Vermont, USA
| | - Philipp Taussky
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA.
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