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Chen L, Deng YS, Wang LY, Mao XQ, Zhang DC, Liu ZT, Yang JS. Successful endovascular thrombectomy using solitaire FR stent with intermediate catheter assisting technique for acute persistent primitive trigeminal artery and basilar artery occlusion: A case report and literature review. Surg Neurol Int 2024; 15:93. [PMID: 38628508 PMCID: PMC11021110 DOI: 10.25259/sni_997_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/01/2024] [Indexed: 04/19/2024] Open
Abstract
Background The persistent primitive trigeminal artery (PPTA) is a persistent embryological carotid-basilar connection. Endovascular thrombectomy (EVT) for hypoplastic PPTA occlusion is a challenge. This case report aims to describe the successful recanalization of simultaneous occlusions in both the PPTA and basilar artery (BA) using the Solitaire FR (RECO SR)/Stent and Intermediate Catheter Assisting (SWIM) technique in a patient with acute cardiogenic cerebral embolism. To the best of our knowledge, this is the first report of such a case. Case Description We present a case of a 70-year-old female patient who presented with acute right-sided hemiparesis and altered consciousness. Digital subtraction angiography confirmed the occlusion of both the distal portion of the PPTA and the BA. The patient underwent EVT using the SWIM technique, resulting in successful recanalization and significant improvement in the patient's condition. Conclusion This case report demonstrates the successful application of the SWIM technique in achieving recanalization and improving outcomes in a patient with simultaneous occlusion of the acute PPTA and BA. These findings support the potential use of EVT in similar cases.
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Affiliation(s)
- Li Chen
- Department of Neurology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, Sichuan, China
| | - Yu Shi Deng
- Department of Neurology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, Sichuan, China
| | - Lan Yu Wang
- Department of Blood Transfusion, The Affiliated Hospital of Southwest Medical University, Luzhou City, Sichuan, China
| | - Xi Quan Mao
- Department of Neurology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, Sichuan, China
| | - De Chou Zhang
- Department of Neurology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, Sichuan, China
| | - Zu Tian Liu
- Department of Neurology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, Sichuan, China
| | - Jin Si Yang
- Department of Neurology, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou City, Sichuan, China
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Gao X, Wang T, Chen J, Chen J, Wang Y, Yang K, Gu Y, Yao L. Posterior Circulation Mechanical Thrombectomy through Primitive Trigeminal Artery: A Case Report. Case Rep Neurol 2024; 16:28-35. [PMID: 38298245 PMCID: PMC10830138 DOI: 10.1159/000535871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/21/2023] [Indexed: 02/02/2024] Open
Abstract
Introduction Primitive trigeminal artery (PTA) is a rare intracranial vascular malformation, and mechanical thrombectomy and revascularization via PTA are rarely reported. Case Presentation We reported a case of mechanical thrombectomy through PTA in a patient who presented with sudden slurred speech and had a National Institutes of Health Stroke Scale score of 12. Digital subtraction angiography of the cerebral vasculature showed PTA formation in the right internal carotid artery cavernous segment, with acute occlusion of the distal basilar artery at the PTA junction, and bilateral vertebral arteries and proximal basilar artery were underdeveloped. Therefore, we chose mechanical thrombectomy via PTA, but unfortunately, the vessel failed to recanalize. Follow-up at 1-month post-procedure indicated that the patient had passed away. We present the endovascular process and analyze and summarize the reasons for the failure to provide a reference for subsequent mechanical thrombectomy via PTA. Conclusions PTA increases the risk of ischemic stroke and adds to the complexity of mechanical thrombectomy post-stroke. However, in certain situations, PTA can be used as a thrombectomy channel to increase the first-line possibility of timely endovascular treatment to save ischemic brain tissue.
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Affiliation(s)
- Xiaoshan Gao
- The First School of Clinical Medical of Lanzhou University, Lanzhou, China
| | - Tianhong Wang
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Jun Chen
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Jiangjun Chen
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Ying Wang
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Kui Yang
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Youquan Gu
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Lihe Yao
- Department of Neurology, The First Hospital of Lanzhou University, Lanzhou, China
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Wang Y, Yu J. Clinical Importance of the Persistent Primitive Trigeminal Artery in Vascular Lesions and Its Role in Endovascular Treatment. Front Neurol 2022; 13:928608. [PMID: 35899260 PMCID: PMC9309485 DOI: 10.3389/fneur.2022.928608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
The persistent primitive trigeminal artery (PPTA) extends from the internal carotid artery to the basilar artery between the origins of the anterior inferior cerebellar artery and superior cerebellar artery. PPTAs have complex anatomical characteristics. Salas and Saltzman classifications are most often used in PPTAs. The PPTA can play many roles in vascular lesions, including intracranial aneurysms, brain arteriovenous malformations, trigeminal artery-cavernous fistulas, Moyamoya disease, and large vessel occlusion. For these lesions, surgical treatment is difficult due to the deep location and complex anatomy of the PPTA, but endovascular treatment (EVT) has emerged as a good alternative. Currently, a complete review of the clinical importance of the PPTA in terms of its role in the development and EVT of vascular lesions is lacking. Therefore, we conducted a PubMed search, performed a review of the relevant extracted literature and cataloged our experience with PPTAs. By review, we found that a thorough understanding of the anatomical and angiographic features of this PPTA is of utmost importance when making therapeutic decisions for any of these pathological conditions.
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Affiliation(s)
| | - Jinlu Yu
- *Correspondence: Jinlu Yu ; ; orcid.org/0000-0003-2329-7946
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Ito S, Higuchi K. Ruptured peripheral superior cerebellar artery dissecting aneurysms associated with primitive trigeminal artery: a case report. BMC Neurol 2022; 22:208. [PMID: 35668392 PMCID: PMC9169283 DOI: 10.1186/s12883-022-02741-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/31/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Persistent primitive trigeminal artery (PPTA) is a remnant of the carotid-vertebrobasilar anastomoses in the embryo. Although PPTAs are discovered incidentally in most cases, altered hemodynamics may lead to increased risk of stroke. To the best of our knowledge, no reports of PPTA associated with superior cerebellar artery (SCA) dissecting aneurysms have been published in the English language.
We describe the case of a patient who presented with subarachnoid hemorrhage (SAH) due to ruptured peripheral SCA dissecting aneurysms in association with PPTA. Additionally, we discuss the relationship between PPTA and peripheral SCA aneurysms and the treatment of peripheral SCA aneurysms.
Case presentation
A 43-year-old woman presented with acute onset of headache and nausea and admitted to our hospital. She was diagnosed with SAH due to ruptured left SCA dissecting aneurysm(s) and had undergone digital subtraction angiography. The left vertebral angiography showed aneurysmal dilatations of the left S2 segment (lateral pontomesencephalic segment) along with dissection through the segments of S2 and S3 (cerebellomesencephalic segment). It also showed ipsilateral PPTA. The left vertebral artery (VA) had normal caliber and the basilar artery segment proximal to the orifice of the left PPTA was not hypoplastic. The patient underwent proximal parent artery occlusion at the S2 segment via the left VA and was successfully treated with no neurological deficits having lasted 5 months.
Conclusions
The flow alteration with PPTA may have influenced the formation of SCA dissection in this patient. Further studies are needed to understand the etiology and treatment outcomes of peripheral SCA aneurysms better.
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Horio Y, Fukuda K, Yoshinaga T, Takeyama R, Fukumoto H, Sato K, Kawano Y, Inoue T. Successful mechanical thrombectomy using a combined technique for internal carotid artery occlusion with persistent primitive trigeminal artery. Surg Neurol Int 2020; 11:345. [PMID: 33194279 PMCID: PMC7656013 DOI: 10.25259/sni_657_2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 09/26/2020] [Indexed: 11/04/2022] Open
Abstract
Background: The prevalence of persistent primitive trigeminal artery (PPTA) has been reported to be 0.1–0.6%. We report the successful recanalization of internal carotid artery (ICA) without embolization to new vascular territory (ENT) using a combined technique in a case of ICA occlusion with PPTA. Case Description: A 65-year-old female presented with sudden consciousness disorder. The Glasgow Coma Scale score was 7 (E1, V1, M5) and National Institutes of Health Stroke Scale score was 28. Magnetic resonance diffusion-weighted imaging showed areas of high signal intensity in the left frontal lobe, parietal lobe, insular cortex, and corona radiata. Magnetic resonance angiography showed occlusion of the left ICA distal to a PPTA. We performed mechanical thrombectomy (MT) using a combined technique with a balloon guide catheter (BGC), aspiration catheter, and stent retriever and achieved complete recanalization without ENT. The patient experienced a good postoperative recovery course. At 6 months, her Modified Rankin Scale score was 2. Conclusion: MT using a combined technique with BGC would be useful to prevent embolization to the posterior circulation through the PPTA in cases of ICA occlusion with PPTA.
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Affiliation(s)
- Yoshinobu Horio
- Department of Neurosurgery, Kawano Neurosurgery Hospital, Morimachinishi, Oita, Japan
| | - Kenji Fukuda
- Department of Neurosurgery, Fukuoka University Hospital and School of Medicine, Nanakuma Jonan-Ku, Fukuoka, Japan
| | - Takaya Yoshinaga
- Department of Neurosurgery, Kawano Neurosurgery Hospital, Morimachinishi, Oita, Japan
| | - Ryuhei Takeyama
- Department of Neurosurgery, Kawano Neurosurgery Hospital, Morimachinishi, Oita, Japan
| | - Hironori Fukumoto
- Department of Neurosurgery, Kawano Neurosurgery Hospital, Morimachinishi, Oita, Japan
| | - Kiminori Sato
- Department of Neurosurgery, Kawano Neurosurgery Hospital, Morimachinishi, Oita, Japan
| | - Yoshihisa Kawano
- Department of Neurosurgery, Kawano Neurosurgery Hospital, Morimachinishi, Oita, Japan
| | - Tooru Inoue
- Department of Neurosurgery, Fukuoka University Hospital and School of Medicine, Nanakuma Jonan-Ku, Fukuoka, Japan
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Abstract
BACKGROUND Cerebrolysin is a mixture of low-molecular-weight peptides and amino acids derived from porcine brain that has potential neuroprotective properties. It is widely used in the treatment of acute ischaemic stroke in Russia, Eastern Europe, China, and other Asian and post-Soviet countries. This is an update of a review first published in 2010 and last updated in 2017. OBJECTIVES To assess the benefits and harms of Cerebrolysin for treating acute ischaemic stroke. SEARCH METHODS We searched the Cochrane Stroke Group Trials Register, CENTRAL, MEDLINE, Embase, Web of Science Core Collection, with Science Citation Index, LILACS, OpenGrey, and a number of Russian databases in October 2019. We also searched reference lists, ongoing trials registers, and conference proceedings. SELECTION CRITERIA Randomised controlled trials (RCTs) comparing Cerebrolysin, started within 48 hours of stroke onset and continued for any length of time, with placebo or no treatment in people with acute ischaemic stroke. DATA COLLECTION AND ANALYSIS Two review authors independently applied the inclusion criteria, assessed trial quality and risk of bias, extracted data, and applied GRADE criteria to the evidence. MAIN RESULTS Seven RCTs (1601 participants) met the inclusion criteria of the review. In this update we re-evaluated risk of bias through identification, examination, and evaluation of study protocols and judged it to be low, unclear, or high across studies: unclear for all domains in one study, and unclear for selective outcome reporting across all studies; low for blinding of participants and personnel in four studies and unclear in the remaining three; low for blinding of outcome assessors in three studies and unclear in four studies. We judged risk of bias to be low in two studies and unclear in the remaining five studies for generation of allocation sequence; low in one study and unclear in six studies for allocation concealment; and low in one study, unclear in one study, and high in the remaining five studies for incomplete outcome data. The manufacturer of Cerebrolysin supported four multicentre studies, either totally, or by providing Cerebrolysin and placebo, randomisation codes, research grants, or statisticians. We judged three studies to be at high risk of other bias and the remaining four studies to be at unclear risk of other bias. All-cause death: we extracted data from six trials (1517 participants). Cerebrolysin probably results in little to no difference in all-cause death: risk ratio (RR) 0.90, 95% confidence interval (CI) 0.61 to 1.32 (6 trials, 1517 participants, moderate-quality evidence). None of the included trials reported on poor functional outcome defined as death or dependence at the end of the follow-up period or early death (within two weeks of stroke onset), or time to restoration of capacity for work and quality of life. Only one trial clearly reported on the cause of death: cerebral infarct (four in the Cerebrolysin and two in the placebo group), heart failure (two in the Cerebrolysin and one in the placebo group), pulmonary embolism (two in the placebo group), and pneumonia (one in the placebo group). Serious adverse events (SAEs): Cerebrolysin probably results in little to no difference in the total number of people with SAEs (RR 1.15, 95% CI 0.81 to 1.65, 4 RCTs, 1435 participants, moderate-quality evidence). This comprised fatal SAEs (RR 0.90, 95% CI 0.59 to 1.38) and an increase in the total number of people with non-fatal SAEs (RR 2.15, 95% CI 1.01 to 4.55, P = 0.047, 4 trials, 1435 participants, moderate-quality evidence). In the subgroup of dosing schedule 30 mL for 10 days (cumulative dose 300 mL), the increase was more prominent: RR 2.86, 95% CI 1.23 to 6.66, P = 0.01 (2 trials, 1189 participants). Total number of people with adverse events: four trials reported on this outcome. Cerebrolysin may result in little to no difference in the total number of people with adverse events: RR 0.97, 95% CI 0.85 to 1.10, P = 0.90, 4 trials, 1435 participants, low-quality evidence. Non-death attrition: evidence from six trials involving 1517 participants suggests that Cerebrolysin results in little to no difference in non-death attrition, with 96 out of 764 Cerebrolysin-treated participants and 117 out of 753 placebo-treated participants being lost to follow-up for reasons other than death (very low-quality evidence). AUTHORS' CONCLUSIONS Moderate-quality evidence indicates that Cerebrolysin probably has little or no beneficial effect on preventing all-cause death in acute ischaemic stroke, or on the total number of people with serious adverse events. Moderate-quality evidence also indicates a potential increase in non-fatal serious adverse events with Cerebrolysin use.
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Affiliation(s)
- Liliya Eugenevna Ziganshina
- Cochrane Russia, Kazan, Russian Federation
- Department of Pharmacology, Kazan State Medical University, Kazan, Russian Federation
| | - Tatyana Abakumova
- Department of Biochemistry, Biotechnology and Pharmacology, Kazan (Volga region) Federal University, Kazan, Russian Federation
| | - Charles Hv Hoyle
- Cochrane Russia, Kazan, Russian Federation
- Deputy Editor-in-Chief, Kazan Medical Journal, Kazan, Russian Federation
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Ferreira A, Coelho PS, Cruz VT. Persistent trigeminal artery in a patient with posterior circulation stroke treated with rt-PA: case report. BMC Neurol 2019; 19:257. [PMID: 31656167 PMCID: PMC6816207 DOI: 10.1186/s12883-019-1492-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 10/09/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND A persistent trigeminal artery (PTA) is a non-involuted embryonic vessel that connects the cavernous part of the internal carotid artery with the posterior circulation. In the adult it is associated with multiple pathological conditions including trigeminal neuralgia, ophthalmoplegia, hypopituitarism, intracavernous fistula, brain aneurysms and posterior circulation strokes. The latter may occur through steal phenomena or thrombosis in the anterior circulation. PTA associated vertebrobasilar hypoplasia has yet to be associated to TIA like events, however, in the reported case, that seems to be the case with reported vertigo being probably linked to vertebrobasilar insufficiency. CASE REPORT We present a case of an 82-year-old man with sudden onset neurological deficits, including left hemiparesis with crural predominance, vertical nystagmus, right internuclear ophthalmoplegia, dysarthria and dysmetria on the left arm. CT angiography disclosed basilar artery hypoplasia in the proximal two thirds and a persistent trigeminal artery. He was diagnosed with acute ischemic stroke. He was submitted to rt-PA with partial reversion of deficits. CONCLUSION The ischemic events related to PTA remain a rare cause of stroke with specific pathophysiological mechanisms and implications. They may occur through steal phenomena or thrombosis in the anterior circulation. Upon literature review, in the described case both mechanisms seem possible, however the transient episodes of vertigo could have been the first sign of vertebrobasilar insufficiency.
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Affiliation(s)
- Axel Ferreira
- Neurology Department, Hospital Pedro Hispano, ULS Matosinhos, Porto, Portugal.
| | - Paulo S Coelho
- Neurology Department, Hospital Pedro Hispano, ULS Matosinhos, Porto, Portugal
| | - Vítor Tedim Cruz
- Neurology Department, Hospital Pedro Hispano, ULS Matosinhos, Porto, Portugal.,EPIUnit, Institute of Public Health University of Porto, Porto, Portugal
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Xu J, Chen X, Lin M. Significance of Magnetic Resonance Imaging (MRI) T2 Hyperintense Endo-Vessels Sign in Progressive Posterior Circulation Infarction. Med Sci Monit 2018; 24:3873-3881. [PMID: 29882523 PMCID: PMC6022782 DOI: 10.12659/msm.908300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Background MRI FLAIR hyperintense vessels sign (FHVs) is a special imaging marker that plays a key role in acute infarction imaging and diagnosis. However, FHVs have not been studied in the context of progressive posterior circulation infarction (PPCI), and little is known about the association of hyperintense endo-vessels sign (HEVs) on transverse section MRI with infarction. Thus, our objective here was to investigate the clinical significance of transverse MRI T2 HEVs in patients with PPCI. Material/Methods In this retrospective, case-control study, we enrolled 100 consecutive posterior circulation infarction patients. All the patients underwent head MRI examinations on the onset day and the seventh day after admission. Neurologic deficits of the patients were assessed by the National Institutes of Health Stroke Scale (NIHSS) scores upon admission and after 7 days. Infarction volume on DWI was compared. Results HEVs were detected in 25 of 37 patients in the PPCI group (67.6%) and 22 of 63 patients in the NPPCI group (34.9%). Logistic regression analysis showed that the proportion of HEVs in the PPCI group was higher than in the NPPCI group (P=0.007). Among all the patients, HEVs were detected in 15 of 18 patients (83.3%) with occlusion of the vertebral artery or basilar artery, and 17 of 23 (73.9%) showed severe stenosis. The proportion of vertebrobasilar artery occlusions in the PPCI group was higher than in the NPPCI group (P<0.05). MRI DWI showed that 20 patients had cerebellum infarction among 23 vertebral artery HEVs patients, and 14 patients had brainstem infarction among 15 basilar artery HEVs patients. All of the 9 vertebral and basilar artery HEVs patients had brainstem infarction. The increase in NIHSS scores from baseline to 7 days was significantly greater in patients with HEVs than in patients without HEVs in the PPCI group (P=0.002). The expansion of the infarction size from baseline to 7 days was significantly larger in patients with HEVs than in patients without HEVs in the PPCI group (P=0.037). Conclusions HEVs are frequently detected in patients with vertebrobasilar artery territory infarction, and they can be considered as a special imaging marker for vertebral artery and basilar artery occlusion and severe stenosis. HEVs can indicate whether or not posterior circulation infarction progresses and they may be an independent risk factor of PPCI.
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Affiliation(s)
- Jialiang Xu
- Seventh Department of Neurology, Liaoning Province People's Hospital, Shenyang, Liaoning, China (mainland)
| | - Xiaohong Chen
- Seventh Department of Neurology, Liaoning Province People's Hospital, Shenyang, Liaoning, China (mainland)
| | - Muhui Lin
- Seventh Department of Neurology, Liaoning Province People's Hospital, Shenyang, Liaoning, China (mainland)
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Carotid Endarterectomy in a Patient with Severe Internal Carotid Artery Stenosis with Persistent Trigeminal Artery and Ischemia of the Anterior and Posterior Circulation. Case Rep Neurol Med 2018; 2017:7193734. [PMID: 29348950 PMCID: PMC5733951 DOI: 10.1155/2017/7193734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 08/07/2017] [Accepted: 09/14/2017] [Indexed: 12/02/2022] Open
Abstract
Occurrence of cerebral ischemia in the posterior circulation as a result of severe internal carotid artery disease and persistent trigeminal artery is rare. An 81-year-old man with medical history of hypertension and ischemic stroke presented with dizziness, nausea, and mild dysarthria. Magnetic resonance imaging of the brain revealed acute infarcts in the left internal carotid artery territory. CT angiogram revealed a persistent trigeminal artery (PTA) and severe atherosclerosis. The patient developed new neurological symptoms and repeat imaging revealed new acute infarcts in the PTA distribution. After undergoing a left carotid endarterectomy with no complications, the patient was discharged to a skilled nursing facility with no recurrence of ischemic stroke. This case adds a rare complication of an infrequent vascular anomaly to the limited body of the literature.
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See AP, Baranoski JF, Flores BC, Ducruet A, Albuquerque FC. Basilar stroke from a persistent hypoglossal artery. BMJ Case Rep 2017; 2017:bcr-2016-012859. [PMID: 28130280 DOI: 10.1136/bcr-2016-012859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Occlusion of the basilar artery can be treated with endovascular thrombectomy, although the results have not been well studied. Persistent fetal cerebrovascular anatomy can lead to unusual presentation of carotid atherosclerotic disease and can be a barrier to successful mechanical thrombectomy if not recognized. This case presents a rare persistent carotico-basilar anastomosis which resulted in basilar occlusion via the persistent hypoglossal artery and coincident absence of contralateral vertebral arterial access due to a left vertebral artery terminating in the left posterior inferior cerebellar artery. Preoperative recognition of this anatomy afforded by review of cross-sectional imaging was critical to success during this emergent procedure.
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Affiliation(s)
- Alfred P See
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Jacob F Baranoski
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, USA
| | - Bruno C Flores
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, USA
| | - Andrew Ducruet
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, USA
| | - Felipe C Albuquerque
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, USA
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