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Neurovascular Anatomy

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1. Neurovascular anatomy of the adult female medial arm in relationship to potential sites for insertion of the etonogestrel contraceptive implant. Full Text available with Trip Pro

Neurovascular anatomy of the adult female medial arm in relationship to potential sites for insertion of the etonogestrel contraceptive implant. Anatomic assessment of the medial upper arm to identify potential sites for insertion of the etonogestrel (ENG) implant.Forty female cadaveric arms were dissected. Two rows of 1 x 2cm dissection windows were created in the inner arm overlying the triceps approximately 2-3 and 4-5cm posterior to the bicipital sulcus (sulcus). The primary window was 8 (...) -10cm proximal to the medial epicondyle and approximately 2-3cm posterior to the sulcus. Neurovascular structures within each window were identified. The entire medial upper arm was dissected to visualize underlying structures.Mean age (± SD) of cadavers at death was 72.0±11.0years. Arm measurements at the primary window were: circumference 28.2±4.8cm [range: 21-41]; skin thickness 0.6±0.2mm [0.3-1.0]; subcutaneous tissue thickness: 12.3±4.9mm [4.7-21]. The basilic vein and the medial brachial

2019 Contraception

2. Nexplanon (etonogestrel) contraceptive implants: new insertion site to reduce rare risk of neurovascular injury and implant migration

Nexplanon (etonogestrel) contraceptive implants: new insertion site to reduce rare risk of neurovascular injury and implant migration Nexplanon (etonogestrel) contraceptive implants: new insertion site to reduce rare risk of neurovascular injury and implant migration - GOV.UK Tell us whether you accept cookies We use about how you use GOV.UK. We use this information to make the website work as well as possible and improve government services. Accept all cookies You’ve accepted all cookies. You (...) can at any time. Hide Search The UK has left the EU Nexplanon (etonogestrel) contraceptive implants: new insertion site to reduce rare risk of neurovascular injury and implant migration Amended advice on the insertion site for Nexplanon contraceptive implants following concerns regarding reports of neurovascular injury and implants migrating to the vasculature (including the pulmonary artery). Published 12 February 2020 From: Therapeutic area: , Contents Advice for healthcare professionals

2020 MHRA Drug Safety Update

3. Proximity and Risks of the Anterior Neurovascular and Tendinous Anatomy of the Distal Leg Relative to Anteriorly Applied Distal Locking Screws for Tibia Nailing: A PLEA FOR OPEN INSERTION. (Abstract)

Proximity and Risks of the Anterior Neurovascular and Tendinous Anatomy of the Distal Leg Relative to Anteriorly Applied Distal Locking Screws for Tibia Nailing: A PLEA FOR OPEN INSERTION. To determine the proximity and potential risks to distal leg anatomy from anterior to posterior (A-P) applied distal tibia locking screws for tibial nailing.Retrospective.ACS level I trauma center.Twenty consecutive adult patients undergoing computed tomograms with intravenous contrast (computed tomography (...) angiograms) on uninjured legs.Simulated 5-mm distal interlocking screws placed in the A-P axis of an ideally placed tibial nail at 10-mm increments from the tibial plafond (10-40 mm) were studied in relation to the distal leg's anterior anatomy.All A-P screws (80/80, 100%) impacted the tibialis anterior tendon, extensor hallucis longus tendon, and/or anterior tibial neurovascular (NV) bundle between 10 and 40 mm cranial to the plafond. The NV bundle was impacted in 53% of cases. The medial extent

2017 Journal of Orthopaedic Trauma

4. Neurovascular Anatomy

Neurovascular Anatomy Neurovascular Anatomy Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Neurovascular Anatomy Neurovascular (...) Anatomy Aka: Neurovascular Anatomy , Neurologic Vascular Anatomy , Vascular Anatomy of the Brain , Cerebrovascular System , Cerebral Vessel II. Anatomy: Great Vessel origins ( ) origins Both left and right l arteries arise in the upper chest from the subclavian arteries Common ( ) origins Right common originates from the subclavian artery (same as the ) Origin is medial to the right origin Left common originates directly from the aortic arch Left common carotid origin on the aorta is between the two

2018 FP Notebook

5. Changes in the Neurovascular Anatomy of the Shoulder After an Open Latarjet Procedure: Defining a Surgical Safe Zone. (Abstract)

Changes in the Neurovascular Anatomy of the Shoulder After an Open Latarjet Procedure: Defining a Surgical Safe Zone. Although previous literature has described the relevant anatomy for an open anterior Bankart approach of the shoulder, there is little known regarding the anatomic relationship changes in the neurovascular structures after an open Latarjet procedure.To define the neurovascular anatomy of the native shoulder in relation to the coracoid and to define the anatomy after the Latarjet (...) procedure in relation to the glenoid to determine distances to these neurovascular structures with and without neurolysis of the musculocutaneous nerve (MCN) from the conjoint tendon.Descriptive laboratory study.Fourteen fresh-frozen male cadaveric shoulders (7 matched pairs) were utilized. The distances of 7 neurovascular structures (the main trunk of the MCN at its insertion into the conjoint tendon, the MCN at its closest location to the coracoid process, the lateral cord of the plexus, the split

2018 American Journal of Sports Medicine

6. The surgical neurovascular anatomy relating to partial and complete sacral and sacroiliac resections: a cadaveric, anatomic study. (Abstract)

The surgical neurovascular anatomy relating to partial and complete sacral and sacroiliac resections: a cadaveric, anatomic study. Pelvic and sacral surgeries are considered technically difficult due to the complex multidimensional anatomy and the presence of significant neurovascular structures. Knowledge of the key neurovascular anatomy is essential for safe and effective execution of partial and complete sacral resections. The goal of this anatomic, cadaveric study is to describe (...) the pertinent neurovascular anatomy during these procedures.Three embalmed human cadaveric specimens were used. Sacrectomies and sacroiliac joint resections were simulated and the structures at risk were identified. Both anterior and posterior approaches were evaluated.During sacroiliac joint resection, L5 nerve roots are at high risk for iatrogenic injury; the vasculatures at greatest risk are the common iliac vessels and internal iliac vessels with L5-S1 and S1-S2 high sacrectomies. Minor bleeding risk

2015 European Spine Journal

7. Potential neurovascular damage as a result of dental implant placement in the anterior maxilla. (Abstract)

in this case.Conclusion The availability of CBCT imaging in recent years has shown that complex neurovascular anatomy in the anterior maxilla is not uncommon. Evidence is lacking regarding the relevance of this to dental implant placement but it is possible that injury to these structures explains some cases of postoperative intractable pain. (...) Potential neurovascular damage as a result of dental implant placement in the anterior maxilla. Introduction A patient requested dental implant therapy to replace his missing upper left central incisor. Pre-operative cone beam computed tomography (CBCT) imaging revealed a complex neurovascular supply to the anterior maxilla.Discussion Imaging demonstrated accessory neurovascular canals around the nasopalatine foramen which directly communicate with canalis sinuosus. They are, therefore, most

2019 British Dental Journal

8. Sex-dependent posterior fossa anatomical differences in trigeminal neuralgia patients with and without neurovascular compression: a volumetric MRI age- and sex-matched case-control study. (Abstract)

Sex-dependent posterior fossa anatomical differences in trigeminal neuralgia patients with and without neurovascular compression: a volumetric MRI age- and sex-matched case-control study. OBJECTIVEThe pathophysiology of trigeminal neuralgia (TN) in patients without neurovascular compression (NVC) is not completely understood. The objective of this retrospective study was to evaluate the hypothesis that TN patients without NVC differ from TN patient with NVC with respect to brain anatomy

2019 Journal of Neurosurgery

9. Contour Neurovascular System

Contour Neurovascular System Contour Neurovascular System - European Pre-Market Unruptured Aneurysm - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Contour Neurovascular System - European Pre-Market (...) Information provided by (Responsible Party): Cerus Endovascular, Ltd Study Details Study Description Go to Brief Summary: Cerus Endovascular is sponsoring a prospective, multi-center trial to document the safety and performance of the Contour Neurovascular System™ ("Contour"). The purpose of the study is to document safety and performance of the Contour in treatment for patients with intracranial aneurysms (IA). The data from the study will be reported as a Pre-Market study to the Notified Body to support

2018 Clinical Trials

10. A simulation platform using 3D printed neurovascular phantoms for clinical utility evaluation of new imaging technologies Full Text available with Trip Pro

A simulation platform using 3D printed neurovascular phantoms for clinical utility evaluation of new imaging technologies Modern 3D printing technology allows rapid prototyping of vascular phantoms based on an actual human patient with a high degree of precision. Using this technology, we present a platform to accurately simulate clinical views of neuro-endovascular interventions and devices. The neuro-endovascular interventional phantom has a 3D printed cerebrovasculature model derived from (...) for the phantom was compared with that for a commercial anthropomorphic head phantom (SK-150, Phantom Labs). The percentage difference between automatic exposure selection for the neuro-intervention phantom and the SK-150 phantom was under 10%. By changing 3D printed models, various patient diseased anatomies can be simulated accurately with the necessary x-ray attenuation. Using this platform various interventional procedures were performed using new imaging technologies such as a high-resolution x-ray

2018 Proceedings of SPIE--the International Society for Optical Engineering

11. The effect of hyperglycemia on neurovascular coupling and cerebrovascular patterning in zebrafish. Full Text available with Trip Pro

anatomy, neural activation, and cerebral vessel haemodynamics. We therefore established a novel non-invasive, non-anaesthetised zebrafish larval model of neurovascular coupling, in which visual stimulus evokes neuronal activation in the optic tectum that is associated with a specific increase in red blood cell speed in tectal blood vessels. We applied this model to the examination of the effect of glucose exposure on cerebrovascular patterning and neurovascular coupling. We found that chronic exposure (...) The effect of hyperglycemia on neurovascular coupling and cerebrovascular patterning in zebrafish. Neurovascular coupling (through which local cerebral blood flow changes in response to neural activation are mediated) is impaired in many diseases including diabetes. Current preclinical rodent models of neurovascular coupling rely on invasive surgery and instrumentation, but transgenic zebrafish coupled with advances in imaging techniques allow non-invasive quantification of cerebrovascular

2018 Journal of Cerebral Blood Flow and Metabolism

12. The neurovascular anatomy of the teres major muscle. (Abstract)

The neurovascular anatomy of the teres major muscle. Information in recent literature on the teres major muscle (TM) is limited and, at times, contradictory. Exact information on its neurovascular supply is clinically relevant for its use in a free or pedicled muscle transfer in reconstructive shoulder surgery. Therefore, the aim of this study was to analyze the TM topographically, especially its neurovascular supply and its macroscopic appearance.Thirty upper extremities of 15 human cadavers (...) (7 female and 8 male cadavers) were investigated during the students' dissection course of our anatomic department in the winter term of 2012.The lower subscapular nerve (LSN) innervated the TM in 86.6% of shoulders. In 13.3%, the thoracodorsal nerve (TDN) supplied the muscle. The LSN's branch was 49.8 ± 11.8 mm long. The TDN's branch was 83.5 ± 9.8 mm long. The entry of the neurovascular pedicle was located almost in the center part of the muscle. The arterial branch was 33.6 ± 7.3 mm long.In

2014 Journal of Shoulder and Elbow Surgery

13. Risks to the Superior Gluteal Neurovascular Bundle During Iliosacral and Transsacral Screw Fixation: A Computed Tomogram Arteriography (CTA) Study. (Abstract)

Risks to the Superior Gluteal Neurovascular Bundle During Iliosacral and Transsacral Screw Fixation: A Computed Tomogram Arteriography (CTA) Study. Iliosacral (IS) and transsacral (TS) screws are popular techniques to repair complicated injuries to the pelvis. The anatomy of the superior gluteal neurovasculature (SG NV bundle) is well described as running along the posterior ilium, providing innervation and perfusion to important abductor muscles. The method of pelvis fixation least likely (...) (single sides), 10 pelvi (25%) were determined to be inappropriate for an S1 TS screw. The average distances from the screw starting point and the artery were 25.3 mm (±9.2) for S1 IS, 12.4 mm (±9.0) for S1 TS, and 23.5 mm (±10.7) for S2 TS screws, respectively. Ten S1 TS screws (25%) and no S1 IS or S2 TS screws were projected to have caused injury to the SG NV bundle (P < 0.001).Inserting S1 IS and S2 TS screws put the SG NV anatomy at significantly less risk than S1 TS screws. This information may

2017 Journal of Orthopaedic Trauma

14. Use of patient specific 3D printed neurovascular phantoms to evaluate the clinical utility of a high resolution x-ray imager Full Text available with Trip Pro

Use of patient specific 3D printed neurovascular phantoms to evaluate the clinical utility of a high resolution x-ray imager Modern 3D printing technology can fabricate vascular phantoms based on an actual human patient with a high degree of precision facilitating a realistic simulation environment for an intervention. We present two experimental setups using 3D printed patient-specific neurovasculature to simulate different disease anatomies. To simulate the human neurovasculature (...) in the Circle of Willis, patient-based phantoms with aneurysms were 3D printed using a Objet Eden 260V printer. Anthropomorphic head phantoms and a human skull combined with acrylic plates simulated human head bone anatomy and x-ray attenuation. For dynamic studies the 3D printed phantom was connected to a pulsatile flow loop with the anthropomorphic phantom underneath. By combining different 3D printed phantoms and the anthropomorphic phantoms, different patient pathologies can be simulated. For static

2017 Proceedings of SPIE--the International Society for Optical Engineering

15. Unusual Branching Pattern of the Lateral Cord of the Brachial Plexus Associated with Neurovascular Compression: Case report Full Text available with Trip Pro

Unusual Branching Pattern of the Lateral Cord of the Brachial Plexus Associated with Neurovascular Compression: Case report The brachial plexus consists of a network of nerves that innervates the upper limbs and its musculature. We report a rare formation of the lateral cord of the brachial plexus observed during the dissection of a 47-year-old male cadaver at the Department of Anatomy, Vardhman Mahavir Medical College, New Delhi, India, in 2016. The lateral cord was exceptionally long (...) should be aware of such anatomical variations as they may result in neurovascular compression.

2017 Sultan Qaboos University medical journal

16. Aberrations Causing Neurovascular Damage in the Anterior Maxilla during Dental Implant Placement Full Text available with Trip Pro

Aberrations Causing Neurovascular Damage in the Anterior Maxilla during Dental Implant Placement When dental implants are being considered for placement in the maxillary central incisor region, proximity to the nasopalatine canal and its contents needs to be accounted for. The morphology of the canal changes with age. The availability of CBCT has allowed the in-depth analysis of this important variable anatomy. However, an associated important anatomical structure can be easily overlooked (...) : the "canalis sinuosus." This is a neurovascular canal carrying the anterior superior alveolar (ASA) nerve and artery. CBCT frequently shows the canalis sinuosus (CS) as a wide canal lateral to the nasal cavity and also under the anterior part of the nasal floor in close proximity to the NPC. The CS distributes both neural supply and vascular supply to the maxillary anterior teeth which on CBCT sagittal analysis are seen as very fine circular canals having nondistinct walls. The author presents a case

2017 Case reports in dentistry

17. Radiographic Analysis of Psoas Morphology and its Association with Neurovascular Structures at L4-5 with Reference to Lateral Approaches. (Abstract)

Radiographic Analysis of Psoas Morphology and its Association with Neurovascular Structures at L4-5 with Reference to Lateral Approaches. Retrospective imaging review.Utilize magnetic resonance imaging (MRI) to expand the anatomical description of psoas morphology and its association with neurovascular structures at L4-5.Anatomical psoas muscle variants may present a greater risk of neurovascular injury at the L4-5 level during lateral transpsoas approaches.Axial L4-5 sections of consecutive (...) patients who obtained lumbar MRIs were analyzed. Teardrop psoas morphology was assessed qualitatively. MRI described psoas morphology and proximity of neurovascular structures, whereas plain radiographs were evaluated for lumbosacral transitional vertebrae (LSTV). Teardrop morphology was tested for associations with radiographic measurements using t tests and χ analysis.Fifty teardrop and 476 nonteardrop psoas muscles were identified. Teardrop morphology was associated with greater longitudinal length

2017 Spine

18. No association between variations in extracranial venous anatomy and clinical outcomes in multiple sclerosis patients over 5 years. Full Text available with Trip Pro

No association between variations in extracranial venous anatomy and clinical outcomes in multiple sclerosis patients over 5 years. No longitudinal, long-term, follow-up studies have explored the association between presence and severity of variations in extracranial venous anatomy, and clinical outcomes in patients with multiple sclerosis (MS).This prospective 5-year follow-up study assessed the relationship of variations in extracranial venous anatomy, indicative of chronic cerebrospinal (...) venous insufficiency (CCSVI) on Doppler sonography, according to the International Society for Neurovascular Disease (ISNVD) proposed consensus criteria, with clinical outcomes and disease progression in MS patients.90 MS patients (52 relapsing-remitting, RRMS and 38 secondary-progressive, SPMS) and 38 age- and sex-matched HIs were prospectively followed for 5.5 years. Extracranial and transcranial Doppler-based venous hemodynamic assessment was conducted at baseline and follow-up to determine

2019 BMC Neurology

19. Anatomy, Histology, and Nerve Density of Clitoris and Associated Structures: Clinical Applications to Vulvar Surgery. (Abstract)

of the clitoral body. Although not statistically significant, there was increased nerve density in the distal compared to proximal half of the labia minora.Precise knowledge of clitoral anatomy and associated neurovascular structures is essential to safely complete partial vulvectomies, clitoral and vulvar reconstructive procedures, anti-incontinence surgeries and repair of obstetric lacerations. Understanding range of anatomic variations and awareness of areas of increased nerve density is important during (...) Anatomy, Histology, and Nerve Density of Clitoris and Associated Structures: Clinical Applications to Vulvar Surgery. Precise understanding of structures comprising female external genitalia is essential in obstetric and gynecologic practice.To further characterize anatomy, histology, and nerve density of the clitoris and associated structures and to provide clinical correlations to vulvar surgery.Unembalmed female cadavers were examined. Length and width of body, glans and crura of clitoris

2019 American Journal of Obstetrics and Gynecology

20. New insights into the anatomy at the palmodigital junction in Dupuytren's disease: the palmodigital spiralling sheet. Full Text available with Trip Pro

New insights into the anatomy at the palmodigital junction in Dupuytren's disease: the palmodigital spiralling sheet. The anatomy in the region of the palmodigital junction has been relatively little studied, but it is very relevant for the surgical treatment of Dupuytren's disease. To study the microanatomy of the palmodigital junction, we dissected 26 cadaveric digits from 13 human cadaveric hands using microsurgical techniques. The dynamics of the different ligaments were studied in three (...) hands preserved by Thiel's method. We found a structure, which we propose to name the 'palmodigital spiralling sheet' (PSS), which has not been described before. It has a spiralling course around the neurovascular bundle giving rise to a neurovascular tunnel distally in the palm of the hand. It is formed proximally by fibres from the pretendinous band and the intrinsic muscle fascias and distally is in continuity with Cleland's and Grayson's ligaments. As such it connects the palmar and digital

2019 Journal of Hand Surgery - European

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