Systemic Anticoagulation and Reversal

Aortic mural thrombus (AMT) is an uncommon cause of arterial thromboembolism. It is very rare in patients without significant cardiovascular risk factors. Many aetiologies can cause AMT, but there are no clear guidelines for the evaluation and treatment. We present the case of a 43-year-old woman without arteriosclerotic disease who was admitted to the hospital with peripheral embolisation from the mural thrombus in the distal arch of the aorta. Therapy with systemic anticoagulation resulted in complete resolution without necessitating any surgical or endovascular interventions. There were no reported recurrence or complications of the intra-aortic thrombus within 1-year surveillance imaging study.

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Spontaneous renal artery dissection: an elusive diagnosis

BMJ Case Reports ◽

10.1136/bcr-2021-245949 ◽

2021 ◽

Vol 14 (9) ◽

pp. e245949

Author(s):

Catherine Mary Henry ◽

Peter MacEneaney ◽

Gemma Browne

Keyword(s):

Renal Artery ◽

Antihypertensive Treatment ◽

Rare Condition ◽

Acute Onset ◽

Flank Pain ◽

Artery Dissection ◽

Renal Infarction ◽

Ct Angiogram ◽

Systemic Anticoagulation ◽

The Right

Spontaneous renal artery dissection is a rare condition with an often non-specific presentation, resulting in a challenging diagnosis for clinicians. This is the case of a 39-year-old man who presented with an acute-onset right flank pain, mild neutrophilia and sterile urine. CT of abdomen and pelvis showed a patchy hypodense area in the right kidney originally thought to represent infection. He was treated as an atypical pyelonephritis with antibiotics and fluids. When his symptoms failed to improve, a diagnosis of renal infarction was considered and CT angiogram of the aorta revealed a spontaneous renal artery dissection. He was managed conservatively with systemic anticoagulation, antihypertensive treatment and analgesia and discharged home with resolution of his symptoms and normal renal function.

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Systemic Anticoagulation And Intraocular Hemorrhage

JAMA ◽

10.1001/jama.1972.03200260052020 ◽

1972 ◽

Vol 221 (13) ◽

pp. 1516

Author(s):

Gilbert W. Cleasby

Keyword(s):

Intraocular Hemorrhage ◽

Systemic Anticoagulation

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Blunt cerebrovascular injuries in severe traumatic brain injury: incidence, risk factors, and evolution

Journal of Neurosurgery ◽

10.3171/2016.4.jns152600 ◽

2017 ◽

Vol 127 (1) ◽

pp. 16-22 ◽

Cited By ~ 30

Author(s):

Pierre Esnault ◽

Mickaël Cardinale ◽

Henry Boret ◽

Erwan D'Aranda ◽

Ambroise Montcriol ◽

...

Keyword(s):

Risk Factors ◽

Traumatic Brain Injury ◽

Brain Injury ◽

Severe Traumatic Brain Injury ◽

Anticoagulation Therapy ◽

Spine Injury ◽

Hemorrhagic Complication ◽

Injury Incidence ◽

Severe Tbi ◽

Systemic Anticoagulation

OBJECTIVEBlunt cerebrovascular injuries (BCVIs) affect approximately 1% of patients with blunt trauma. An antithrombotic or anticoagulation therapy is recommended to prevent the occurrence or recurrence of neurovascular events. This treatment has to be carefully considered after severe traumatic brain injury (TBI), due to the risk of intracranial hemorrhage expansion. Thus, the physician in charge of the patient is confronted with a hemorrhagic and ischemic risk. The main objective of this study was to determine the incidence of BCVI after severe TBI.METHODSThe authors conducted a prospective, observational, single-center study including all patients with severe TBI admitted in the trauma center. Diagnosis of BCVI was performed using a 64-channel multidetector CT. Characteristics of the patients, CT scan results, and outcomes were collected. A multivariate logistic regression model was developed to determine the risk factors of BCVI. Patients in whom BCVI was diagnosed were treated with systemic anticoagulation.RESULTSIn total, 228 patients with severe TBI who were treated over a period of 7 years were included. The incidence of BCVI was 9.2%. The main risk factors were as follows: motorcycle crash (OR 8.2, 95% CI 1.9–34.8), fracture involving the carotid canal (OR 11.7, 95% CI 1.7–80.9), cervical spine injury (OR 13.5, 95% CI 3.1–59.4), thoracic trauma (OR 7.3, 95% CI 1.1–51.2), and hepatic lesion (OR 13.3, 95% CI 2.1–84.5). Among survivors, 82% of patients with BCVI received systemic anticoagulation therapy, beginning at a median of Day 1.5. The overall stroke rate was 19%. One patient had an intracranial hemorrhagic complication.CONCLUSIONSBlunt cerebrovascular injuries are frequent after severe TBI (incidence 9.2%). The main risk factors are high-velocity lesions and injuries near cervical arteries.

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Systemic Anticoagulation And Intraocular Hemorrhage

JAMA ◽

10.1001/jama.1972.03200260052019 ◽

1972 ◽

Vol 221 (13) ◽

pp. 1516

Author(s):

Arthur C. Walsh

Keyword(s):

Intraocular Hemorrhage ◽

Systemic Anticoagulation

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Abstract 2877: Ultra-early Endovascular Embolization Of Ruptured Cerebral Aneurysms Increases The Risk Of Hematoma Growth Unrelated To Aneurysmal Rebleeding

Stroke ◽

10.1161/str.43.suppl_1.a2877 ◽

2012 ◽

Vol 43 (suppl_1) ◽

Author(s):

Yusuke Egashira ◽

Shinichi Yoshimura ◽

Yukiko Enomoto ◽

Kiyofumi Yamada ◽

Takahiko Asano ◽

...

Keyword(s):

Risk Factors ◽

Significant Risk ◽

Cerebral Aneurysms ◽

Female Gender ◽

Endovascular Embolization ◽

Anterior Circulation ◽

Hematoma Growth ◽

Group 3 ◽

The Mean ◽

Systemic Anticoagulation

Background and purpose: Hematoma growth unrelated to aneurysmal rebleeding has been poorly studied, but is not a rare complication following endovascular embolization of ruptured cerebral aneurysms. The aim of this study is to elucidate the possible risk factors for this phenomenon. Methods: We included 101 consecutive patients with subarachnoid hemorrhage (SAH) who underwent endosaccular embolization at our institution within 72 hours of symptom onset in this study. All endovascular procedures were conducted under intraprocedural systemic anticoagulation. Age, gender, hypertension, diabetes, preoperative antiplatelet or anticoagulation use, neurological grade, Fisher computed tomography group, location and size of the aneurysm, the grade of aneurysm occlusion, and timing of endovascular procedure were retrospectively analyzed to find the risk factors for hematoma growth. Results: This series included 32 men (31.7%) and 69 women (68.3%), and the mean age ± SD was 65.5 ± 14.0 years. The mean time ± SD from onset to endovascular procedure was 12.1 ± 14.0 hours. Following the procedure, hematoma growth unrelated to aneurysmal rebleeding occurred in 14 patients (13.9%), and 10 of the 14 patients required surgical removal of hematoma and/or ventriculostomy to control intracranial pressure. All 14 patients had an anterior circulation aneurysm and had Fisher group 3 or 4 SAH. Ultra-early embolization (conducted within 6 hours after onset), female gender, history of hypertension, and poor neurological grade (WFNS grades 4 and 5) were significant risk factors of hematoma growth (p < 0.05 for all) by the univariate logistic analysis. In multivariate analysis, ultra-early embolization (OR, 18.0; 95% CI, 3.26-338; p = 0.0002), and female gender (OR, 9.83; 95% CI, 1.73-187; p = 0.0067) were independent risk factors for this phenomenon. Anterior circulation aneurysm and Fisher group 3 or 4 SAH did not suit for the logistic regression model, but were found to be significant risk factors by chi-square test (p = 0.018 and 0.022, respectively). Conclusions: Ultra-early endovascular embolization for ruptured cerebral aneurysm under systemic anticoagulation increases the risk of growth of hematomas unrelated to aneurysmal rebleeding. In addition, women with anterior circulation aneurysm presenting with dense focal SAH or intracerebral hematoma are at higher risk for this phenomenon.

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