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https://www.readbyqxmd.com/read/29663186/mandibular-canal-branching-assessed-with-cone-beam-computed-tomography
#1
Mauricio Augusto Aquino de Castro, Sâmila Gonçalves Barra, Manuel Oscar Lagravere Vich, Mauro Henrique Guimaraes Abreu, Ricardo Alves Mesquita
PURPOSE: The mandibular canal must be considered in dental procedures to avoid injuries of the alveolar inferior nerve. The occurrence of anatomical variations of the mandibular canal increases the risk of neurovascular injuries. The purpose of this study was to identify and describe the prevalence of mandibular canal branching (MCB) using cone beam computer tomography (CBCT). METHODS: Seven hundred standardized CBCTs were selected. The images were evaluated for the presence of MCB and for the detection of pathologies that could affect the structure of the canals...
April 16, 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29663091/anatomical-feasibility-study-of-flexor-hallucis-longus-transfer-in-treatment-of-achilles-tendon-and-posteromedial-portal-of-ankle-arthroscopy
#2
Haijiao Mao, Linger Wang, Wenwei Dong, Zhenxin Liu, Weigang Yin, Dachuan Xu, Keith L Wapner
PURPOSE: The aim of this study was to evaluate the occurrence of anatomical variations of the musculotendinous junction of the flexor hallucis longus (FHL) muscle, the relationship between FHL tendon or muscle and the tibial neurovascular bundle at the level of the posterior ankle joint in human cadavers. METHODS: Seventy embalmed feet from 20 male and 15 female cadavers, the cadavers' mean age was 65.4 (range from 14 to 82) years, were dissected and anatomically classified to observe FHL muscle morphology define the relationship between FHL tendon or muscle and the tibial neurovascular bundle...
April 16, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29662278/comparison-of-efficacy-of-bupivacaine-with-dexmedetomidine-versus-bupivacaine-alone-for-transversus-abdominis-plane-block-for-post-operative-analgesia-in-patients-undergoing-elective-caesarean-section
#3
A Ramya Parameswari, Prabha Udayakumar
Background: Increasing rate of Caesarean sections and inadequate pain relief following Caesarean section is seen in almost all parts of the world. Transversus abdominis plane block is gaining popularity as a part of multimodal analgesia for post-operative pain relief following abdominal surgeries. Aim: To compare bupivacaine and bupivacaine with dexmedetomidine in transversus abdominis plane block for pain relief after Caesarean section. Method: American Society of Anaesthesiologists I and II parturients with no comorbidities admitted for elective Caesarean section were included in the study...
April 2018: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/29661673/the-use-of-pediatric-flexible-intramedullary-nails-for-minimally-invasive-fibular-fracture-fixation
#4
James C Connors, Mark A Hardy, Duane J Ehredt, Michael A Coyer
Fibular fractures in the setting of an unstable ankle joint require surgical fixation; however, several factors contradict open surgical correction. Severe soft tissue compromise can delay adequate fracture reduction and preclude the standard incisional approach. The soft tissue envelope in the setting of obesity, diabetes, and/or peripheral vascular disease further complicates definitive treatment. Poorly timed open fixation can lead to delayed healing of the incision site, with wound breakdown and the potential for hardware failure...
April 13, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29660047/trigeminal-nerve-atrophy-predicts-pain-recurrence-after-gamma-knife-stereotactic-radiosurgery-for-classical-trigeminal-neuralgia
#5
Yong-Sin Hu, Cheng-Chia Lee, Wan-Yuo Guo, Chung-Jung Lin, Huai-Che Yang, Hsiu-Mei Wu, Kang-Du Liu, Wen-Yuh Chung
BACKGROUND: Trigeminal nerve atrophy and neurovascular compression (NVC) are frequently observed in classical trigeminal neuralgia (CTN). OBJECTIVE: To determine whether nerve characteristics contribute to Gamma Knife (Elekta AB, Stockholm, Sweden) surgery (GKS) outcomes in unilateral CTN without previous surgery. METHODS: From 2006 to 2012, 67 patients with unilateral CTN without previous surgery received GKS with a maximal dose of 90 Gy delivered to the trigeminal nerve juxta brainstem...
April 11, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29659161/neurovascular-relations-of-the-trigeminal-nerve-in-asymptomatic-individuals-studied-with-high-resolution-three-dimensional-magnetic-resonance-imaging
#6
Fernando Ruiz-Juretschke, Laín H González-Quarante, Roberto García-Leal, Vicente Martínez de Vega
Neurovascular compression (NVC) is considered the main cause of classic trigeminal neuralgia (TN) and may be surgically addressed with microvascular decompression (MVD). Preoperative high-resolution three-dimensional magnetic resonance has proven a reliable tool to diagnose NVC in patients with refractory TN undergoing MVD. However there is still scarce data regarding the rate, degree and characteristics of neurovascular compression in asymptomatic individuals. This article describes the vascular relations of the trigeminal nerve in the cerebellopontine angle (CPA) in 100 subjects without known TN studied with 3...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29658301/avoiding-pitfalls-of-tibiotalocalcaneal-nail-malposition-with-internal-rotation-axial-heel-view
#7
Ryan Callahan, Paul Juliano, Umur Aydogan, Justin Clayton
BACKGROUND: Tibiotalocalcaneal (TTC) nails are often used for complex hind foot arthrodesis and deformity correction. The natural valgus alignment of the hindfoot creates a challenge to optimum placement of the guidewire and eventual nail with a straight or valgus-curved nail. METHODS: Five fresh frozen cadavers were used for placement of a TTC guidewire with standard anterior-posterior (AP), lateral, and Harris axial heel views as a reference for proper placement...
April 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29656926/resting-state-cerebral-blood-flow-with-arterial-spin-labeling-mri-in-developing-human-brains
#8
Feng Liu, Yunsuo Duan, Bradley S Peterson, Iris Asllani, Fernando Zelaya, David Lythgoe, Alayar Kangarlu
The development of brain circuits is coupled with changes in neurovascular coupling, which refers to the close relationship between neural activity and cerebral blood flow (CBF). Studying the characteristics of CBF during resting state in developing brain can be a complementary way to understand the functional connectivity of the developing brain. Arterial spin labeling (ASL), as a noninvasive MR technique, is particularly attractive for studying cerebral perfusion in children and even newborns. We have collected pulsed ASL data in resting state for 47 healthy subjects from young children to adolescence (aged from 6 to 20 years old)...
March 24, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29656030/post-stroke-depression-the-sequelae-of-cerebral-stroke
#9
REVIEW
Jyotirekha Das, G K Rajanikant
Post-stroke depression (PSD) is the most common mental health issue, afflicting around 33% of stroke survivors. PSD has a negative impact on the rehabilitation, recuperation of motor and cognitive deficits following stroke and significantly increases the chances of relapsing neurovascular events. It has been demonstrated that biological and psychological factors have a significant role in PSD. Numerous endeavors have been made to discover the risk factors and predictors of PSD. Screening and diagnosis also have gained attention; however, a suitable tool is yet to be developed...
April 12, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29651792/the-plantaris-muscle-rare-relations-to-the-neurovascular-bundle-in-the-popliteal-fossa
#10
Ł Olewnik, M Podgórski, M Polguj, M Topol
The plantaris muscle is characterized by morphological variability, both for origin and insertion, and may sometimes be absent. Its strength allows the ligament to be used for reconstruction of other tendons and ligaments. This report presents the rare placements and course of the plantaris muscle in relation to the neurovascular bundle. In this case, the hypertrophy of this muscle might cause pressure on the tibial nerve and produce symptoms similar to sciatica.
April 13, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29650781/anatomic-and-angiographic-analyses-of-ophthalmic-artery-collaterals-in-moyamoya-disease
#11
T Robert, G Cicciò, P Sylvestre, A Chiappini, A G Weil, S Smajda, C Chaalala, R Blanc, M Reinert, M Piotin, M W Bojanowski
BACKGROUND AND PURPOSE: Moyamoya disease is a progressive neurovascular pathology defined by steno-occlusive disease of the distal internal carotid artery and associated with the development of compensatory vascular collaterals. The etiology and exact anatomy of vascular collaterals have not been extensively studied. The aim of this study was to describe the anatomy of collaterals developed between the ophthalmic artery and the anterior cerebral artery in a Moyamoya population. MATERIALS AND METHODS: All patients treated for Moyamoya disease from 2004 to 2016 in 4 neurosurgical centers with available cerebral digital subtraction angiography were included...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29649974/delayed-and-repeated-intranasal-delivery-of-bone-marrow-stromal-cells-increases-regeneration-and-functional-recovery-after-ischemic-stroke-in-mice
#12
Monica J Chau, Todd C Deveau, Xiaohuan Gu, Yo Sup Kim, Yun Xu, Shan Ping Yu, Ling Wei
BACKGROUND: Stroke is a leading cause of death and disability worldwide, yet there are limited treatments available. Intranasal administration is a novel non-invasive strategy to deliver cell therapy into the brain. Cells delivered via the intranasal route can migrate from the nasal mucosa to the ischemic infarct and show acute neuroprotection as well as functional benefits. However, there is little information about the regenerative effects of this transplantation method in the delayed phase of stroke...
April 12, 2018: BMC Neuroscience
https://www.readbyqxmd.com/read/29649829/relation-of-retinopathy-of-prematurity-to-brain-volumes-at-term-equivalent-age-and-developmental-outcome-at-2-years-of-corrected-age-in-very-preterm-infants
#13
Kristbjörg Sveinsdóttir, David Ley, Holger Hövel, Vineta Fellman, Petra S Hüppi, Lois E H Smith, Ann Hellström, Ingrid Hansen Pupp
BACKGROUND: Retinopathy of prematurity (ROP) is a major complication of preterm birth and has been associated with later visual and nonvisual impairments. OBJECTIVES: To evaluate relationships between any stage of ROP, brain volumes, and developmental outcomes. METHODS: This study included 52 very preterm infants (gestational age [mean ± SD]: 26.4 ± 1.9 weeks). Total brain, gray matter, unmyelinated white matter (UWMV), and cerebellar volumes were estimated in 51 out of 52 infants by magnetic resonance imaging at term-equivalent age...
April 12, 2018: Neonatology
https://www.readbyqxmd.com/read/29649559/ultrafast-doppler-for-neonatal-brain-imaging
#14
REVIEW
Charlie Demene, Jérôme Mairesse, Jérôme Baranger, Mickael Tanter, Olivier Baud
The emergence of functional neuroimaging has dramatically accelerated our understanding of the human mind. The advent of functional Magnetic Resonance Imaging paved the way for the next decades' major discoveries in neuroscience and today remains the "gold standard" for deep brain imaging. Recent improvements in imaging technology have been somewhat limited to incremental innovations of mature techniques instead of breakthroughs. Recently, the use of ultrasonic plane waves transmitted at ultrafast frame rates was shown to highly increase Doppler ultrasound sensitivity to blood flows in small vessels in rodents...
April 9, 2018: NeuroImage
https://www.readbyqxmd.com/read/29644293/luxatio-erecta-with-greater-tuberosity-fracture-a-case-report
#15
Youssef Jalal, Soukaina Zaimi, Ali Zine, Abdelouahab Jaafar
Luxatio erecta is an unusual humeral dislocation. It is frequently associated with neurovascular injuries and concomitant fracture. As such, they require a thorough clinical and imaging evaluation. The vast majority of cases may be treated with closed reduction alone, but infrequently, some may require an open procedure. The authors report a case of luxatio erecta with fracture of greater tuberosity to underline the rarity of this entity, and to describe the mechanism of this injury and the therapeutic modalities...
February 2018: Trauma Case Reports
https://www.readbyqxmd.com/read/29644164/the-extra-tunical-grafting-procedure-for-peyronie-s-disease-hourglass-and-indent-deformities
#16
Amanda B Reed-Maldonado, Amjad Alwaal, Tom F Lue
Background: To describe a novel, tunica-sparing surgical technique-extra-tunical grafting (ETG)-for the treatment of penile indent and hourglass (HG) deformities and to describe patient-reported outcomes after the ETG procedure. Methods: An IRB-approved, retrospective chart review of ETG patients was performed to collect data including pre-operative deformity, operation performed, and post-operative patient-reported perception of deformity, erectile function, penile sensation, and overall satisfaction with the ETG operation...
March 2018: Translational Andrology and Urology
https://www.readbyqxmd.com/read/29644103/morphometric-study-of-the-semitendinosus-muscle-and-its-neurovascular-pedicles-in-south-indian-cadavers
#17
Rajanigandha Vadgaonkar, Manoor Dass Prameela, Bukkambudhi Virupakshamurthy Murlimanju, Mamatha Tonse, Chettiar Ganesh Kumar, Amit Massand, Vandana Blossom, Latha Venkatraya Prabhu
The purpose of this study was to determine the length of the semitendinosus muscle belly and its tendon in South Indian population and to study the topography and diameter of its neurovascular pedicles. The study included 46 formalin fixed human cadaveric lower limbs. The length of the semitendinosus muscle belly and its tendon were measured. The neurovascular pedicles of the semitendinosus muscle were identified and counted. The diameter of the neurovascular pedicle was measured just before its entrance into the semitendinosus muscle...
March 2018: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/29642947/absence-of-flexor-carpi-radialis-identified-during-volar-approach-for-fixation-of-distal-radius-fracture-a-case-report
#18
Tomoyo Irie, Makoto Motomiya, Norimasa Iwasaki
BACKGROUND: Volar locking plate fixation of distal radius fractures is commonly performed because of its good clinical outcomes. The flexor carpi radialis (FCR) approach is one of the most popular approaches to dissecting the volar side of the distal radius because of its simplicity and safety. We describe an extremely rare case of an absent FCR identified during a volar approach for fixation of a distal radius fracture. CASE PRESENTATION: A 59-year-old woman with distal radius fracture underwent surgery using the usual FCR approach and volar locking plate...
April 11, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29628711/does-the-surgery-time-affect-the-final-outcome-of-type-iii-supracondylar-humeral-fractures
#19
Magdalena Kwiatkowska, Baljinder Singh Dhinsa, Anant Narayan Mahapatra
Introduction: Supracondylar humeral fractures are common in the pediatric population, with displaced fractures requiring operative intervention. The purpose of this study was to look at our practice and assess whether a difference in clinical outcomes and requirement for open reduction was observed if surgery was delayed. Methods: This was a retrospective medical record and plain radiograph review of patients admitted with type III Gartland supracondylar fractures between January 2014 and December 2015...
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29627135/plantar-fascia-release-through-a-single-lateral-incision-in-the-operative-management-of-a-cavovarus-foot-a-cadaver-model-analysis-of-the-operative-technique
#20
Eric M Kiskaddon, Brett D Meeks, Joseph G Roberts, Richard T Laughlin
Plantar fascia release and calcaneal slide osteotomy are often components of the surgical management for cavovarus deformities of the foot. In this setting, plantar fascia release has traditionally been performed through an incision over the medial calcaneal tuberosity, and the calcaneal osteotomy through a lateral incision. Two separate incisions can potentially increase the operative time and morbidity. The purpose of the present study was threefold: to describe the operative technique, use cadaveric dissection to analyze whether a full release of the plantar fascia was possible through the lateral incision, and examine the proximity of the medial neurovascular structures to both the plantar fascia release and calcaneal slide osteotomy when performed together...
April 4, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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