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Clinical anatomy

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https://www.readbyqxmd.com/read/28329178/intraoperative-coronary-revision-but-not-coronary-pattern-is-associated-with-mortality-after-arterial-switch-operation%C3%A2
#1
Matteo Trezzi, Angelo Polito, Antonio Albano, Sonia B Albanese, Enrico Cetrano, Adriano Carotti
OBJECTIVES: We sought to determine differences in baseline characteristics and clinical outcomes in a consecutive series of patients undergoing arterial switch operation (ASO), assessing the effect of coronary anatomy on postoperative mortality, both overall and adjusted for surgical era. METHODS: From January 2000 to May 2015, 283 consecutive patients underwent ASO for transposition of the great arteries. A total of 103 patients (36.4%) had an associated ventricular septal defect and 23 (8...
March 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329105/medical-three-dimensional-printing-opens-up-new-opportunities-in-cardiology-and-cardiac-surgery
#2
Thomas Bartel, Andrew Rivard, Alejandro Jimenez, Carlos A Mestres, Silvana Müller
Advanced percutaneous and surgical procedures in structural and congenital heart disease require precise pre-procedural planning and continuous quality control. Although current imaging modalities and post-processing software assists with peri-procedural guidance, their capabilities for spatial conceptualization remain limited in two- and three-dimensional representations. In contrast, 3D printing offers not only improved visualization for procedural planning, but provides substantial information on the accuracy of surgical reconstruction and device implantations...
February 16, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28327921/the-superior-cerebellar-artery-aneurysm-a-posterior-circulation-aneurysm-with-favorable-microsurgical-outcomes
#3
Ana Rodríguez-Hernández, Brian P Walcott, Harjus Birk, Michael T Lawton
BACKGROUND: Superior cerebellar artery (SCA) aneurysms are usually grouped with aneurysms that arise from the upper basilar artery or more broadly, the posterior circulation. However, the SCA aneurysm has distinctive anatomy that facilitates safe surgical management, notably few associated perforating arteries, and excellent exposure in the carotid-oculomotor triangle. OBJECTIVE: To demonstrate the outcomes of patients treated with microsurgery in a continuous surgical series...
January 24, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28325439/a-novel-myocardium-segmentation-approach-based-on-neutrosophic-active-contour-model
#4
Yanhui Guo, Guo-Qing Du, Jing-Yi Xue, Rong Xia, Yu-Hang Wang
BACKGROUND AND OBJECTIVES: Automatic delineation of the myocardium in echocardiography can assist radiologists to diagnosis heart problems. However, it is still challenging to distinguish myocardium from other tissue due to a low signal-to-noise ratio, low contrast, vague boundary, and speckle noise. The purpose of this study is to automatically detect myocardium region in left ventricle myocardial contrast echocardiography (LVMCE) images to help radiologists' diagnosis and further measurement on infarction size...
April 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28324185/diameters-and-bone-thickness-at-the-margin-of-the-foramen-magnum-in-dry-skulls-from-pediatric-population-a-cross-sectional-anatomical-study
#5
Marina Raguz, Pero Hrabac, Dora Sedmak, Miroslav Gjurasin, Natasa Kovacic
PURPOSE: The purpose of the study was to estimate the size and bone thickness at the margin of the foramen magnum in a pediatric population. METHODS: Sixty occipital bone specimens from the collection of macerated skulls at the Department of Anatomy, University of Zagreb, were examined and measured using a vernier scale/caliper. For the purpose of analysis, specimens were divided into two age groups: 1-6 years and 7-18 years of age (before and after the fusion of ossification centers in the occipital bone)...
March 21, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28322287/anatomy-of-the-retrohepatic-tunnel-in-a-chinese-population-and-its-clinical-application-in-liver-surgery
#6
Wang Zheng, Ding Zi-Hai, Zhou Jie, Zhong Shi-Zhen, Lin Jian-Hua, Lin Yi-Xiong
Liver hanging maneuver (LHM) is an important technique in liver surgery. However, applied anatomy of the retrohepatic tunnel for the surgical approach in Chinese population needs further study. In this study, to explore the basic anatomy of retrohepatic tunnel and its clinical application in a Chinese population, a total of 32 formalin-fixed cadavers were dissected, related parameters were measured, and their clinical applications were discussed. The length of the retrohepatic tunnel was (60.6 ± 9.9) mm...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28322125/anatomy-specific-virtual-reality-simulation-in-temporal-bone-dissection
#7
Garrett D Locketz, Justin T Lui, Sonny Chan, Kenneth Salisbury, Joseph C Dort, Patricia Youngblood, Nikolas H Blevins
Objective To evaluate the effect of anatomy-specific virtual reality (VR) surgical rehearsal on surgeon confidence and temporal bone dissection performance. Study Design Prospective pre- and poststudy of a novel virtual surgical rehearsal platform. Setting Academic otolaryngology-head and neck surgery residency training programs. Subjects and Methods Sixteen otolaryngology-head and neck surgery residents from 2 North American training institutions were recruited. Surveys were administered to assess subjects' baseline confidence in performing 12 subtasks of cortical mastoidectomy with facial recess...
March 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28321426/quantitative-anatomic-analysis-of-the-native-ligamentum-teres
#8
Jacob D Mikula, Erik L Slette, Jorge Chahla, Alex W Brady, Renato Locks, Christiano A C Trindade, Matthew T Rasmussen, Robert F LaPrade, Marc J Philippon
BACKGROUND: While recent studies have addressed the biomechanical function of the ligamentum teres and provided descriptions of ligamentum teres reconstruction techniques, its detailed quantitative anatomy remains relatively undocumented. Moreover, there is a lack of consensus in the literature regarding the number and morphology of the acetabular attachments of the ligamentum teres. PURPOSE: To provide a clinically relevant quantitative anatomic description of the native human ligamentum teres...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28319535/validation-of-therapeutic-anatomy-oriented-classification-in-endosseous-dental-implant-treatment-a-pilot-study
#9
Marius Kubilius, Yagmur Deniz Ilarslan, Tolga F Tözüm, Hom-Lay Wang, Ričardas Kubilius, Gintaras Juodzbalys
BACKGROUND: The purpose of the study was to validate a newly proposed therapeutic anatomically based clinical and radiological classification for dental implant treatment. METHODS: Eighty-one patients with at least 1 edentulous jaw segment (EJS) from 2 dental clinics were included in this study. Both clinical and radiological parameters were assessed in aesthetic and nonaesthetic zones. The data were then compared at preoperative, intraoperative, and postoperative (subdivided into early and late stage) study stages...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28318532/modern-approach-to-an-old-technique-narrative-revision-of-techniques-used-to-locate-the-epidural-space
#10
N Brogly, E Guasch Arévalo, A Kollmann Camaiora, E Alsina Marcos, C García García, F Gilsanz Rodríguez
Since the first description of the epidural technique during the 1920s, the continuous progress of knowledge of the anatomy and physiology of the epidural space has allowed the development of different techniques to locate this space while increasing both the safety and efficacy of the procedure. The most common techniques used today are based on the two main characteristics of the epidural space: the difference in distensibility between the ligamentum flavum and the epidural space, and the existence of negative pressure within the epidural space...
March 16, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28317249/getting-back-to-the-dissecting-room-an-evaluation-of-an-innovative-course-in-musculoskeletal-anatomy-for-uk-based-rheumatology-training
#11
Tim Blake, Debbi Marais, Andrew B Hassell, Kay Stevenson, Zoe Paskins
BACKGROUND: The rheumatologist relies heavily on clinical skills to diagnose diverse conditions, something that is correlated with one's knowledge of clinical anatomy. More recently, rheumatology has offered further career flexibility with opportunities to develop skills such as joint injection and musculoskeletal (MSK) ultrasound, both of which require a sound understanding of anatomy. Currently, there are no formal strategies to support competency-based anatomy learning in rheumatology in the UK...
March 20, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28317176/periorbital-melasma-hierarchical-cluster-analysis-of-clinical-features-in-asian-patients
#12
Y S Jung, J M Bae, B J Kim, J-S Kang, S B Cho
BACKGROUND: Studies have shown melasma lesions to be distributed across the face in centrofacial, malar, and mandibular patterns. Meanwhile, however, melasma lesions of the periorbital area have yet to be thoroughly described. METHODS: We analyzed normal and ultraviolet light-exposed photographs of patients with melasma. The periorbital melasma lesions were measured according to anatomical reference points and a hierarchical cluster analysis was performed. RESULTS: The periorbital melasma lesions showed clinical features of fine and homogenous melasma pigmentation, involving both the upper and lower eyelids that extended to other anatomical sites with a darker and coarser appearance...
March 19, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28316994/multiple-factors-involved-in-the-pathogenesis-of-white-matter-lesions
#13
REVIEW
Jing Lin, Dilong Wang, Linfang Lan, Yuhua Fan
White matter lesions (WMLs), also known as leukoaraiosis (LA) or white matter hyperintensities (WMHs), are characterized mainly by hyperintensities on T2-weighted or fluid-attenuated inversion recovery (FLAIR) images. With the aging of the population and the development of imaging technology, the morbidity and diagnostic rates of WMLs are increasing annually. WMLs are not a benign process. They clinically manifest as cognitive decline and the subsequent development of dementia. Although WMLs are important, their pathogenesis is still unclear...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28316962/wiring-techniques-for-the-fixation-of-trochanteric-fragments-during-bipolar-hemiarthroplasty-for-femoral-intertrochanteric-fracture-clinical-study-and-technical-note
#14
Joong-Myung Lee, Yongsuk Cho, Junhyun Kim, Dong-Won Kim
PURPOSE: Femoral intertrochanteric fractures are common in the elderly. Appropriate surgical fixation of trochanteric fracture fragments can restore normal anatomical structure and ambulation, and can aid in the recovery of biomechanical function of the hip. We evaluated clinical outcomes of bipolar hemiarthroplasty using a wiring technique for trochanteric fracture fragment fixation. MATERIALS AND METHODS: From September 2006 to February 2015, a total of 260 cases underwent simultaneous bipolar hemiarthroplasty and wire fixation...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28315694/incorporation-of-autopsy-case-based-learning-into-phd-graduate-education-a-novel-approach-to-bridging-the-bench-to-bedside-gap
#15
Erin G Brooks, Joanne M Thornton, Erik A Ranheim, Zsuzsanna Fabry
Given the current rapid expansion of biological knowledge and the challenges of translating that knowledge into clinical practice, finding effective methods of teaching graduate students clinical medicine concepts has become even more critical. The utility of autopsy in medical student and resident education has been well-established. Multiple studies have reported it to be a helpful means of teaching anatomy, pathophysiology, clinical problem-solving skills, and medical diagnostic techniques. While various models of training Ph...
March 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28314908/anatomy-and-aesthetics-of-the-labia-minora-the-ideal-vulva
#16
REVIEW
C Clerico, A Larry, A Mojallal, F Boucher
Female genital cosmetic surgery is becoming more and more widespread both in the field of plastic and gynaecological surgery. The increased demand for vulvar surgery is spurred by the belief that the vulva is abnormal in appearance. What is normal in terms of labial anatomy? Labia minora enlargement or hypertrophy remains a clinical diagnosis which is poorly defined as it could be considered a variation of the normal anatomy. Enlarged labia minora can cause functional, aesthetic and psychosocial problems. In reality, given the wide variety of vulvar morphology among people, it is a very subjective issue to define the "normal" vulva...
March 10, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28314061/what-is-clinical-anatomy
#17
EDITORIAL
R Shane Tubbs
No abstract text is available yet for this article.
April 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28306555/assessment-of-dosimetric-impact-of-system-specific-geometric-distortion-in-an-mri-only-based-radiotherapy-workflow-for-prostate
#18
C Gustafsson, F Nordström, E Persson, J Brynolfsson, L E Olsson
Dosimetric errors in a magnetic resonance imaging (MRI) only radiotherapy workflow may be caused by system specific geometric distortion from MRI. The aim of this study was to evaluate the impact on planned dose distribution and delineated structures for prostate patients, originating from this distortion. A method was developed, in which computer tomography (CT) images were distorted using the MRI distortion field. The displacement map for an optimized MRI treatment planning sequence was measured using a dedicated phantom in a 3 T MRI system...
March 17, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28306191/biomechanical-markers-and-theoretical-concepts-related-to-haemophilic-ankle-and-subtalar-joint-arthropathy-introducing-the-term-haemophilic-tarsal-pan-arthropathy
#19
REVIEW
S Lobet, A McCarthy, C Hermans, K Peerlinck, G A Matricali, F Staes, K Deschamps
BACKGROUND: Although regular factor replacement can reduce the incidence of joint bleeds and slow down the development of haemophilic arthropathy, the ankle joint remains particularly vulnerable even in children with haemophilia on primary or secondary prophylaxis and is now the primary joint affected. The heterogeneity in the pathoaetiology of haemophilic ankle arthropathy means that the functional consequences of early stage of ankle arthropathy are difficult to define as early morphological and structural changes can be observed in clinically asymptomatic ankles...
March 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28303634/novel-integrated-3d-multidetector-computed-tomography-and-fluoroscopy-fusion-for-left-atrial-appendage-occlusion-procedures
#20
A K Roy, J Horvilleur, B Cormier, M Cazalas, L Fernandez, M Patane, A Neylon, M Spaziano, F J Sawaya, T Arai, E Bouvier, T Hovasse, T Lefèvre, B Chevalier, P Garot
OBJECTIVES: This report demonstrates the application and feasibility of novel 3D-MDCT real-time fusion technology with fluoroscopy, for left atrial appendage (LAA) occlusion procedures. BACKGROUND: A successful LAA occlusion procedure relies on multiple imaging modalities, including TEE or 3D-MDCT, and fluoroscopy. Effectively integrating these imaging modalities may improve implantation safety and success. To our knowledge this technique has not been previously described for LAA occlusions...
March 17, 2017: Catheterization and Cardiovascular Interventions
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