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Preoperative Embolization of Brain Tumors Using a Provocative Test: Evaluating the Safety and Efficacy of Embolization of Test-Positive Vessels.
Cureus
October 2024
Department of Neurosurgery, Tokyo Medical University, Tokyo, JPN.
Purpose: The embolization of vessels potentially involved in the vasa nervorum during brain tumor embolization is often a non-aggressive procedure. In this study, we aimed to investigate the safety and efficacy of embolization of vessels with positive provocative test results.
Methods: Embosphere (Merit Medical Systems, South Jordan, Utah, USA) was the embolization material of choice.
Is the phoenix sign phenomenon due to vasodilation? A double-blinded, randomized controlled trial comparing motor function recovery after diagnostic common fibular nerve block with lidocaine and papaverine.
BMC Musculoskelet Disord
October 2024
NE Wyoming Wound Care Clinic, Sheridan, WY, USA.
Article Synopsis
- Focal entrapment of the common fibular nerve (CFN) is a common issue in the lower body that can be hard to diagnose, with a temporary strengthening response known as the "Phoenix sign" sometimes observed after lidocaine blocks.
- A study involving 20 patients tested the effects of two vasodilating agents, lidocaine and papaverine, on improving muscle strength in the anterior compartment by measuring the extensor hallucis longus (EHL) muscle before and after treatment.
- Results showed that both agents produced significant improvements in muscle strength without notable differences between them, suggesting the Phoenix Effect is likely due to improved local blood circulation.
Ultrasonographic Study of the Corkscrew Arterial Image in Buerger Disease Patients.
Ann Vasc Dis
September 2024
Department of Vascular Surgery, Tsukuba Vascular Center, Moriya, Ibaraki, Japan.
Thromboangiitis obliterans (Buerger disease) is known as an intractable vascular disease that has been reported as thrombosis in distal arteries and occasional venous occlusion, as well as inflammatory changes in the thrombus and vascular wall. Patients often require limb amputation due to limb necrosis. Corkscrew (CS), a small arterial coiling, is an important diagnostic finding that was mainly found with angiography.
View Article and Find Full Text PDFThe Lateral Antebrachial Neurocutaneous Flap: Case Series.
Ann Plast Surg
September 2024
From the Department of Plastic and Reconstructive Surgery, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
Background: The neurocutaneous flap was developed based on the understanding that every superficial cutaneous nerve includes vessels, also known as vasa nervorum or paraneural vessels, which run around and inside the nerves and deliver blood to the skin above. A cutaneous perforator connected to paraneural vessels that vascularize the skin and nerves is referred to as a neurocutaneous perforator. The lateral antebrachial cutaneous nerve (LACN), the most dependable blood supply from the primary underlying veins of the neurocutaneous flap, is the subject of this study.
View Article and Find Full Text PDFFacial nerve palsy after middle meningeal artery embolization for chronic subdural hematoma: a case report.
Acta Neurochir (Wien)
July 2024
Department of Medicine and Surgery, University of Milano-Bicocca, Ospedale San Gerardo, Monza, Italy.
Middle meningeal artery embolization (MMAE) has emerged as a safe and efficacious alternative to surgery for the treatment of new or recurrent chronic subdural hematoma (CSDH). Several complications such as facial palsy may suddenly occur even in the absence of evident dangerous anastomoses in the angiogram. We herein present a case-report of left facial nerve palsy after MMAE.
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