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Anatomy

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https://www.readbyqxmd.com/read/28550174/variability-in-coronary-artery-anatomy-affects-consistency-of-cardiac-damage-following-myocardial-infarction-in-mice
#1
Jiqiu Chen, Delaine K Ceholski, Lifan Liang, Kenneth Fish, Roger J Hajjar
Low reliability and reproducibility in heart failure models are well established. The purpose of the present study is to explore factors that affect model consistency of myocardial infarction (MI) in mice. METHODS: MI was induced by left coronary artery (LCA) ligation. The coronary artery was casted with resin and visualized with fluorescent imaging ex vivo. LCA characteristics and MI size were analyzed individually in each animal, and MI size was correlated with left ventricular (LV) function by echocardiography...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550143/kicked-to-touch-hoodwinked-by-torticollis
#2
Ciaran K Mc Donald, Niall Mc Goldrick, Cliodhna Ni Fhoghlu, Fintan Shannon
A 2-year-old girl presented to the emergency department with a 3-day history of a painful stiff neck after getting a kick to her head from her older brother. Her general practitioner had recently started her on oral antibiotics for otitis media. Plain film imaging of her cervical spine on admission revealed anterior subluxation of C2 on C3 suggestive of bifacetal dislocation. Subsequent CT imaging confirmed malalignment of the upper cervical spine. The patient was admitted and worked up with MRI of the cervical spine which unexpectedly revealed a large 4×2 cm retropharyngeal abscess extending from C1 to C4...
May 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28549885/the-radial-approach-to-the-wrist-with-styloidectomy-a-cadaver-study
#3
F-A Lecoq, A Sébilo, P Bellemère
The radial approach to the wrist is already used in several surgical techniques such as radial styloidectomy and Zaidemberg's vascularized radial graft. The aim of our work was to describe the surgical anatomy of that approach and to determine the acceptable limits of radial oblique styloidectomy that does not damage the anterior and posterior radiocarpal ligaments. This radial approach was performed on 11 cadaver specimens. The superficial branches of the radial nerve and the antebrachial cephalic vein were carefully located in the superficial plane...
May 23, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28549883/a-non-iterative-multi-scale-approach-for-intensity-inhomogeneity-correction-in-mri
#4
Maryjo M George, S Kalaivani, M S Sudhakar
Intensity inhomogeneity is the prime obstacle for MR image processing like automatic segmentation, registration etc. This complication has strong dependence on the associated acquisition hardware and patient anatomy which recommends retrospective correction. In this paper, a new method is developed for correcting the intensity inhomogeneity using a non-iterative multi-scale approach that doesn't necessitate segmentation and any prior knowledge on the scanner or subject. The proposed algorithm extracts bias field at different scales using a Log-Gabor filter bank followed by smoothing operation...
May 23, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28549367/-transfer-of-the-long-head-of-triceps-for-elbow-flexion-in-braquial-plexus-sequelae
#5
E Vergara-Amador, F Vela-Rodríguez
The independent neurovascular anatomy of the long head of the triceps brachii and its suitability as a free muscle transfer have been extensively studied. Instead muscle transposition of the long head of the triceps brachii to enhance elbow flexion has been rarely described. We describe in this paper two cases of injury of brachial plexus sequel in which transposition was performed only on the long head of the triceps. The elbow flexion was improved, the extension was preserved.
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549281/defining-excessive-over-or-hyper-pronation-a-quandary
#6
REVIEW
Andrew M Horwood, Nachiappan Chockalingam
Abnormal-pronation, excessive-pronation, over-pronation, or hyper-pronation, are terms with a long historical use in both medical and research terminology pertaining to an abnormal movement of the foot. These terms are commonly used as a potential kinematic aetiology to explain the occurrence of multiple lower limb and foot pathologies. Yet despite this widespread use there is no clear definition to explain what the terms abnormal, excess, over, or hyper-pronation, mean. Without a strict definition the use of these terms as a patho-mechanical explanation of injuries, leaves a distinct lack of clarity and is meaningless in regards to being able to distinguish what movement may need clinical intervention...
March 8, 2017: Foot
https://www.readbyqxmd.com/read/28549023/technical-feasibility-of-a-combined-noncontrast-magnetic-resonance-protocol-for-preoperative-transcatheter-aortic-valve-replacement-evaluation
#7
Paola M Cannaò, Giuseppe Muscogiuri, U Joseph Schoepf, Carlo N De Cecco, Pal Suranyi, Virginia W Lesslie, Davide Piccini, Shivraman Giri, Akos Varga-Szemes
PURPOSE: The aim of this study was to prospectively evaluate the technical feasibility of a noncontrast magnetic resonance angiography (MRA) protocol using investigational prototype self-navigated 3D (SN3D) radial whole-heart and quiescent-interval single-shot (QISS) pulse sequences regarding their potential in planning transcatheter aortic valve replacement (TAVR). MATERIALS AND METHODS: Five patients (76±7 y) with severe aortic valve stenosis and prior computed tomographic angiography (CTA) for TAVR planning and 10 healthy volunteers (28±6 y) underwent noncontrast MRA on a 1...
May 25, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28549022/pictorial-review-of-surgical-anatomy-in-adult-congenital-heart-disease
#8
Carlo N De Cecco, Giuseppe Muscogiuri, José M Madrid Pérez, Marwen Eid, Pal Suranyi, Virginia W Lesslie, Gorka Bastarrika
The survival rate of patients with congenital heart disease (CHD) has dramatically improved over the last 2 decades because of technological and surgical advances in diagnosis and treatment, respectively. The vast majority of CHD patients are, in fact, amenable to treatment by either device closure or surgery. Considering the wide spectrum of surgical procedures and complex native and derived anatomy, continuous and detailed follow-up is of paramount importance. Cardiac magnetic resonance and cardiac computed tomography angiography are the cornerstones of diagnosis and follow-up of CHD, allowing for comprehensive noninvasive assessment of the heart, coronary tree, and intrathoracic great vessels, along with both morphological and functional evaluation...
May 25, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28548998/zygomaticomaxillary-complex-fractures-diagnosis-and-treatment
#9
Nicholas Peretti, Stephen MacLeod
PURPOSE OF REVIEW: To provide an overview of zygomaticomaxillary complex (ZMC) fractures and their treatment. Aspects of anatomy, diagnosis, and treatment objectives of these common fractures will be reviewed including recent literature. RECENT FINDINGS: Advances in technology such as guided surgery have allowed for better outcomes and a reduction in surgeon variability with regard to postoperative results. The use of titanium and bioresorbable mini screws and plates have expanded the ability to achieve stable and predictable results...
May 25, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28548479/insular-gliomas-a-surgical-reappraisal-based-on-a-systematic-review-of-the-literature
#10
Domenico Murrone, Rodolfo Maduri, Afif Afif, Domenico Chirchiglia, Isabelle Pelissou-Guyotat, Jacques Guyotat, Francesco Signorelli
INTRODUCTION: Insular gliomas are heterogeneous lesions whose management presents multiple challenges for their tendency to affect young patients in good neurological and cognitive conditions, their deep anatomic location and proximity with critical functional and vascular structures. The appropriate management of insular gliomas requires a multidisciplinary evidence-centred teamwork grounded on the best anatomic, neurophysiological and oncological knowledge. The present study provides a reappraisal of the management of insular gliomas based on a systematic review of the literature with the aim of guiding clinicians in the management of such tumors...
May 25, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28548368/developing-minimum-clinical-standards-for-physiotherapy-in-south-african-icus-a-qualitative-study
#11
Heleen van Aswegen, Shane Patman, Natascha Plani, Susan Hanekom
RATIONALE, AIMS, AND OBJECTIVES: Physiotherapists are integral members of the intensive care unit (ICU) team. Clinicians working in ICU are dependent on their own experience when making decisions regarding individual patient management thus resulting in variation in clinical practice. No formalized clinical practice guidelines or standards exist for the educational profile or scope of practice requirements for ICU physiotherapy. This study explored perceptions of physiotherapists on minimum clinical standards that ICU physiotherapists should adhere to for delivering safe, effective physiotherapy services to critically ill patients...
May 26, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28547934/endo-laparoscopic-inguinal-hernia-repair-what-is-its-role
#12
REVIEW
Anil Sharma, Priyank Chelawat
Hernia repair techniques vary greatly depending upon the setting, surgeons, insurance reimbursement systems, resources, and logistical capabilities. Open mesh repair is the most frequently used technique. Choosing the best technique for inguinal hernia repair is a challenge. There is no single technique to manage every type of hernia. Today, laparoscopy and robotics are at the forefront of advanced surgical tools and offer a range of options for general surgeons who are critically evaluating new procedures...
May 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28547914/the-branching-pattern-of-the-brachiocephalic-trunk-in-the-donkey-equus-asinus
#13
G Akbari, B Asadiahranjani, N Goodarzi, S Shokrollahi
Donkeys are a member of the horse family (Equidae) and share a common ancestor. However, in morphological terms, donkeys and horses are regarded as two separate subgenus. Given variations in the branching pattern of the brachiocephalic trunk (BCT) in different species of animals and the use of donkeys in anatomy courses at colleges of veterinary medicine, we conducted this study in order to investigate the branching patterns of BCT and to describe detailed morphological information regarding donkeys. Seventeen mature donkeys were examined following euthanasia by exsanguination from the common carotid artery under general anaesthesia...
May 26, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28547827/digital-dissection-of-the-model-organism-xenopus-laevis-using-contrast-enhanced-computed-tomography
#14
Laura B Porro, Christopher T Richards
The African clawed frog, Xenopus laevis, is one of the most widely used model organisms in biological research. However, the most recent anatomical description of X. laevis was produced nearly a century ago. Compared with other anurans, pipid frogs - including X. laevis - exhibit numerous unusual morphological features; thus, anatomical descriptions of more 'typical' frogs do not detail many aspects of X. laevis skeletal and soft-tissue morphology. The relatively new method of using iodine-based agents to stain soft tissues prior to high-resolution X-ray imaging has several advantages over gross dissection, such as enabling dissection of very small and fragile specimens, and preserving the three-dimensional topology of anatomical structures...
May 26, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28547793/the-anatomy-and-physiology-of-normal-and-abnormal-swallowing-in-oropharyngeal-dysphagia
#15
REVIEW
A Sasegbon, S Hamdy
BACKGROUND: Eating and drinking are enjoyable activities that positively impact on an individual's quality of life. The ability to swallow food and fluid is integral to the process of eating. Swallowing occupies a dual role being both part of the enjoyment of eating and being a critically important utilitarian activity to enable adequate nutrition and hydration. Any impairment to the process of swallowing can negatively affect a person's perception of their quality of life. The process of swallowing is highly complex and involves muscles in the mouth, pharynx, larynx, and esophagus...
May 25, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28547783/aortic-arch-origin-of-the-left-vertebral-artery-an-anatomical-and-radiological-study-with-significance-for-avoiding-complications-with-anterior-approaches-to-the-cervical-spine
#16
Gabrielle G Tardieu, Bryan Edwards, Fernando Alonso, Koichi Watanabe, Tsuyoshi Saga, Moriyoshi Nakamura, Mayuko Motomura, Raghu Sampath, Joe Iwanaga, Oded Goren, Stephen Monteith, Rod J Oskouian, Marios Loukas, R Shane Tubbs
INTRODUCTION: Complications from anterior approaches to the cervical spine are uncommon with normal anatomy. However, variant anatomy might predispose one to an increased incidence of injury during such procedures. We hypothesized that left vertebral arteries that arise from the aortic arch instead of the subclavian artery might take a more medial path in their ascent making them more susceptible to iatrogenic injury. MATERIALS AND METHODS: Fifty human adult cadavers were examined for left vertebral arteries having an aortic arch origin and these were dissected along their entire cervical course...
May 25, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28547745/medical-students-and-professional-anatomists-do-not-perceive-gender-bias-within-imagery-featuring-anatomy
#17
Susan Morgan, Odile Plaisant, Baptiste Lignier, Bernard J Moxham
Previous studies suggest that, while both medical students and professional anatomists recognise the importance of gender issues and do not wish to associate with sexism, most are unaware of the possible negative aspects of sexism within anatomy (Morgan et al., 2014, 2016). To further investigate these issue, we provided second year medical students at Cardiff University (n=293) and at the University of Paris Descartes, Sorbonne Paris Cité (n= 142) and professional anatomists in Europe (n= 208) with a questionnaire inviting them to address the possibility that gender factors within anatomical imagery (both historical and contemporary) hinder the dispassionate representation of anatomy...
May 25, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28547317/pelvic-pain-in-the-middle-of-the-night-use-of-mri-for-evaluation-of-pediatric-female-pathology-in-the-emergent-setting
#18
Rama S Ayyala, Asef Khwaja, Sudha A Anupindi
Acute pelvic pain in pediatric female patients is a common cause of emergency room visits. Imaging plays a crucial role in the clinical evaluation of these patients. Pelvic pain in female children can result from various pathologies. Ultrasound is the preferred first line imaging study; however, magnetic resonance imaging (MRI) is a helpful adjunct after hours, as it is available 24/7 in many institutions. Advantages of MRI include superior delineation of anatomy and higher tissue contrast resolution, particularly of the small pelvic structures...
May 25, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28547248/inferior-glenoid-fossa-fractures-patho-anatomy-and-results-of-operative-treatment
#19
Jan Bartoníček, Michal Tuček, Daniel Klika
INTRODUCTION: A typical feature of inferior glenoid fractures is a distal fragment separated from the glenoid fossa. In most cases, the inferior glenoid fractures are associated with a fracture of the scapular body. However, there are no detailed studies of inferior glenoid fractures, and only brief mentions can be found in the literature in this respect. MATERIAL AND METHODS: The basic group comprised 42 patients, with the mean age of 48 years, who sustained 42 fractures of the inferior glenoid...
May 25, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28546726/internal-jugular-vein-duplication-review-and-classification
#20
Sandeep P Nayak, Mohammed Ashraf, Aniruddha Dam, Jaydip Biswas
Internal jugular vein duplication (IJVD) is a rare phenomenon. Twenty-one such instances in 18 individuals have been reported to date. We report an intra-operative case of unilateral IJVD in a 32-year-old male, who was operated for cancer of gingivobuccal sulcus. We have reviewed the published literature and have proposed a classification scheme in order to make future reporting systematic. The condition has been classified into type A, B and C based on their morphology. About 75 % of the reported cases are of Type A...
June 2017: Indian Journal of Surgical Oncology
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