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https://www.readbyqxmd.com/read/28327433/sonographic-prediction-of-outcome-of-vacuum-deliveries-a-multicenter-prospective-cohort-study
#1
Birgitte H Kahrs, Sana Usman, Tullio Ghi, Aly Youssef, Erik A Torkildsen, Elsa Lindtjørn, Tilde B Østborg, Sigurlaug Benediktsdottir, Lis Brooks, Lotte Harmsen, Pål R Romundstad, Kjell Å Salvesen, Christoph C Lees, Torbjørn M Eggebø
BACKGROUND: Safe management of the second stage of labor is of great importance. Unnecessary interventions should be avoided and correct timing of interventions focused. Ultrasound assessment of fetal position and station has a potential to improve the precision in diagnosing and managing prolonged or arrested labors. The decision to perform vacuum delivery is traditionally based on subjective assessment by digital vaginal examination and clinical expertise and there is currently no method of objectively quantifying the likelihood of successful delivery...
March 18, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28278181/the-myodural-bridge-existing-in-the-nephocaena-phocaenoides
#2
Pei Liu, Chan Li, Nan Zheng, Qiang Xu, Sheng-Bo Yu, Hong-Jin Sui
Recent studies have identified that the myodural bridge (MDB) between the rectus capitis posterior minor (RCPmi) and the cervical spinal dura mater in the posterior atlanto-occipital interspace in humans. And it was supposed that the MDB may play essential physiological roles. As a result, the MDB is possibly a highly conserved structure in the evolution of mammals. However, there is little confirmative description about the existence of the MDB in marine mammals. The objective of this study was to explore the existence and the fiber property of the MDB in the Neophocaena phocaenoides...
2017: PloS One
https://www.readbyqxmd.com/read/28274183/cervical-posture-analysis-in-dental-students-and-its-correlation-with-temporomandibular-disorder
#3
Mariana Barbosa Câmara-Souza, Olívia Maria Costa Figueredo, Paulo Raphael Leite Maia, Isabelle de Sousa Dantas, Gustavo Augusto Seabra Barbosa
OBJECTIVE: To evaluate the relationship between temporomandibular disorders (TMD) and craniocervical posture in the sagittal plane measured from lateral radiographs of the head. METHODS: The sample was comprised of 80 randomly selected students of dentistry at the Federal University of Rio Grande do Norte. Research Diagnostic Criteria for TMD (RDC/TMD) was used to evaluate the signs and symptoms of TMD. Lateral radiographs of each individual were used to measure the position of the hyoid bone, the craniocervical angle, and the occiput-atlas distance...
March 8, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28270307/midline-capillary-formation-nuchae-and-age
#4
Marvin H Klapman, Michael Batech
Midline capillary formation nuchae (MCFN) consists of blanchable pink macules located around the midline of the occiput and nape. It has been implicated in the literature as a risk factor for angiosarcoma and might be related to a decrease in innervation of the involved capillaries. Although there is ample literature on its prevalence from birth through adult life, the literature in late life is sparse. The objective of this study was to determine the prevalence in late life, whether it is truly a risk factor for angiosarcoma and whether it might be an indication of a systemic neuroendocrine effect or a local reaction...
2017: Skinmed
https://www.readbyqxmd.com/read/28262513/analysis-of-the-cephalometric-changes-in-the-first-3-months-after-spring-assisted-cranioplasty-for-scaphocephaly
#5
O Ou Yang, D D Marucci, R J Gates, M Rahman, J Hunt, M P Gianoutsos, W R Walsh
BACKGROUND: Spring-assisted cranioplasty (SAC) has become an accepted treatment for patients with sagittal craniosynostosis; however, the early effects of springs on skull dimensions have never been assessed with objective measurements in the literature. The present study evaluated the changes in skull dimensions and intracranial volume (ICV) during the first 3 months after SAC for sagittal synostosis. METHODS: Sixteen patients with sagittal synostosis underwent SAC...
January 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28254638/deliberately-light-interpersonal-contact-affects-the-control-of-head-stability-during-walking-in-children-and-adolescents-with-cerebral-palsy
#6
Katrin Hanna Schulleri, Frauke Burfeind, Beate Höß-Zenker, Éva Feketené Szabó, Nadine Herzig, Annick Ledebt, Leif Johannsen
OBJECTIVE: To evaluate the potential of deliberately light interpersonal touch (IPT) for reducing excessive head and trunk sway during self-paced walking in children and adolescents with cerebral palsy (CP). DESIGN: Quasi-experimental, proof-of-concept study with between-groups comparison. SETTING: Ambulant care facility, community center. PARTICIPANTS: 26 individuals with CP (spastic and ataxic; GMFCS I-III; mean=9...
February 27, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28250638/odontoidectomy-through-posterior-midline-approach-followed-by-same-sitting-occipitocervical-fixation-a-cadaveric-study
#7
Ehab Mohamed Eissa, Mohamed Mohi Eldin
OBJECT: Atlantoaxial instability with irreducible odontoid process is one of the challenges in spine surgery. These lesions are commonly treated through anterior transoral approach which is followed by posterior atlantoaxial fusion. However, there are still many limitations, especially cerebrospinal fluid fistula with subsequent life-threatening infection, difficulty in cases with limited opening of mouth due to temporomandibular arthritis or anomalies of naso-oropharynx. Türe et al...
January 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28244946/a-randomized-crossover-study-comparing-cervical-spine-motion-during-intubation-between-two-lightwand-intubation-techniques-in-patients-with-simulated-cervical-immobilization-laryngoscope-assisted-versus-conventional-lightwand-intubation
#8
Tae Kyong Kim, Je-Do Son, Hyungseok Seo, Yun-Seok Lee, Jinyoung Bae, Hee-Pyoung Park
BACKGROUND: In patients with cervical immobilization, jaw thrust can cause cervical spine movement. Concurrent use of a laryngoscope may facilitate lightwand intubation, allowing midline placement and free movement of the lightwand in the oral cavity without jaw thrust. We compared the effects of laryngoscope-assisted lightwand intubation (LALI) versus conventional lightwand intubation (CLI) on cervical spine motion during intubation in patients with simulated cervical immobilization...
February 24, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28222704/duration-of-second-stage-of-labor-and-instrumental-delivery-as-risk-factors-for-severe-perineal-lacerations-population-based-study
#9
Marija Simic, Sven Cnattingius, Gunnar Petersson, Anna Sandström, Olof Stephansson
BACKGROUND: We sought to investigate the impact of the duration of second stage of labor on risk of severe perineal lacerations (third and fourth degree). METHODS: This population based cohort study was conducted in the Stockholm/Gotland region, Sweden, 2008-2014. Study population included 52 211 primiparous women undergoing vaginal delivery with cephalic presentation at term. Unconditional logistic regression analysis was used to calculate crude and adjusted odds ratios (OR), using 95% confidence intervals (CI)...
February 21, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28182521/efficacy-and-safety-of-a-new-coverlet-device-on-skin-microclimate-management-a-pilot-study-in-critical-care-patients
#10
O Forriez, J Masseline, D Coadic, V David, P Trouiller, B Sztrymf
OBJECTIVE: To test the effect of a new coverlet device, allowing air circulation at the body/underlying surface interface, on skin microclimate management. METHOD: This prospective observational pilot study took place in a 15-bed university-affiliated intensive care unit. Overall, 34 mechanically ventilated patients were included. Skin humidity and temperature were monitored before and after the implementation of the tested device at the occiput, scapulas, buttocks and sacrum...
February 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28146571/evolution-of-a-functional-head-joint-in-deep-sea-fishes-stomiidae
#11
Nalani K Schnell, G David Johnson
The head and anterior trunk region of most actinopterygian fishes is stiffened as, uniquely within vertebrates, the pectoral girdles have a direct and often strong connection through the posttemporal to the posterior region of the skull. Members of the mesopelagic fish family Stomiidae have their pectoral girdle separated from the skull. This connection is lost in several teleost groups, but the stomiids have an additional evolutionary novelty-a flexible connection between the occiput and the first vertebra, where only the notochord persists...
2017: PloS One
https://www.readbyqxmd.com/read/28144947/comparative-primate-obstetrics-observations-of-15-diurnal-births-in-wild-gelada-monkeys-theropithecus-gelada-and-their-implications-for-understanding-human-and-nonhuman-primate-birth-evolution
#12
Nga Nguyen, Laura M Lee, Peter J Fashing, Niina O Nurmi, Kathrine M Stewart, Taylor J Turner, Tyler S Barry, Kadie R Callingham, C Barret Goodale, Bryce S Kellogg, Ryan J Burke, Emily K Bechtold, Megan J Claase, G Anita Eriksen, Sorrel C Z Jones, Jeffrey T Kerby, Jacob B Kraus, Carrie M Miller, Thomas H Trew, Yi Zhao, Evan C Beierschmitt, Malcolm S Ramsay, Jason D Reynolds, Vivek V Venkataraman
OBJECTIVES: The birth process has been studied extensively in many human societies, yet little is known about this essential life history event in other primates. Here, we provide the most detailed account of behaviors surrounding birth for any wild nonhuman primate to date. MATERIALS AND METHODS: Over a recent ∼10-year period, we directly observed 15 diurnal births (13 live births and 2 stillbirths) among geladas (Theropithecus gelada) at Guassa, Ethiopia. During each birth, we recorded the occurrence (or absence) of 16 periparturitional events, chosen for their potential to provide comparative evolutionary insights into the factors that shaped birth behaviors in humans and other primates...
February 1, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28126884/pet-mr-imaging-in-the-presence-of-metal-implants-completion-of-the-attenuation-map-from-pet-emission-data
#13
Niccolo Fuin, Stefano Pedemonte, Onofrio Antonio Catalano, David Izquierdo-Garcia, Andrea Soricelli, Marco Salvatore, Keith Heberlein, Jacob M Hooker, Koen Van Leemput, Ciprian Catana
We present a novel technique for accurate whole body attenuation correction (AC) in the presence of metallic endoprosthesis, on integrated non-time-of-flight (non-TOF) PET/MR imaging scanners. The proposed implant PET-based attenuation map completion (IPAC) method performs a joint reconstruction of radioactivity and attenuation from the emission data to determine the position, shape and linear attenuation coefficient (LAC) of metallic implants. METHODS: The initial estimate of the attenuation map is obtained using the MR Dixon-method currently available on the Siemens Biograph mMR scanner...
January 26, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28111759/deletion-of-2-7%C3%A2-kb-near-hoxd3-in-an-arabian-horse-with-occipitoatlantoaxial-malformation
#14
M H Bordbari, M C T Penedo, M Aleman, S J Valberg, J Mickelson, C J Finno
In the horse, the term occipitoatlantoaxial malformation (OAAM) is used to describe a developmental defect in which the first cervical vertebra (atlas) resembles the base of the skull (occiput) and the second cervical vertebra (axis) resembles the atlas. Affected individuals demonstrate an abnormal posture and varying degrees of ataxia. The homeobox (HOX) gene cluster is involved in the development of both the axial and appendicular skeleton. Hoxd3-null mice demonstrate a strikingly similar phenotype to Arabian foals with OAAM...
January 23, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28100071/neck-tongue-syndrome-a-systematic-review
#15
Amy A Gelfand, Hannah Johnson, Marc Ep Lenaerts, Jessica R Litwin, Charles De Mesa, Nikolai Bogduk, Peter J Goadsby
Objective Neck-Tongue syndrome (NTS) is characterized by brief attacks of neck or occipital pain, or both, brought out by abrupt head turning and accompanied by ipsilateral tongue symptoms. As the disorder is rare, we undertook a systematic review of the literature to identify all reported cases in order to phenotype clinically the disorder and subsequently inform clinical diagnostic criteria. Methods Two electronic databases were searched using the search term "neck tongue syndrome". All English language references were reviewed in full...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28054391/head-injuries-in-children-s-football-results-from-two-prospective-cohort-studies-in-four-european-countries
#16
Oliver Faude, Roland Rössler, Astrid Junge, Karen Aus der Fünten, Jiri Chomiak, Evert Verhagen, Florian Beaudouin, Jiri Dvorak, Nina Feddermann-Demont
Head injuries are considered harmful in children. We analysed head and neck injuries in organised football in 7 to 12 year old children. Data for this analysis were obtained from a prospective cohort study over two consecutive football seasons in two European countries, and a randomised intervention trial over one season in four European countries. Football exposure and injuries were documented through an online database. Detailed information regarding injury characteristics and medical follow-up was retrieved from coaches, children and parents by phone...
January 4, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28040243/radiographic-damage-and-progression-of-the-cervical-spine-in-ankylosing-spondylitis-patients-treated-with-tnf-%C3%AE-inhibitors-facet-joints-vs-vertebral-bodies
#17
Fiona Maas, Anneke Spoorenberg, Elisabeth Brouwer, Eveline van der Veer, Hendrika Bootsma, Reinhard Bos, Freke R Wink, Suzanne Arends
OBJECTIVES: To investigate radiographic damage and 4-year progression of the cervical facet joints in a prospective observational cohort of AS patients treated with TNF-α inhibitors, to compare this with damage and progression of the cervical vertebral bodies, and to study the relation with patient characteristics and clinical outcome. METHODS: Patients from the Groningen Leeuwarden AS (GLAS) cohort starting TNF-α inhibitors with baseline and 4-year radiographs were included...
November 9, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28029426/three-dimensional-finite-element-analysis-of-a-newly-developed-aliform-internal-fixation-system-for-occipitocervical-fusion
#18
Sui-Xiang Liao, Jian-Hua Wang, Yong-Qiang Zheng, Guan Zheng, Ge-Jing Wei, Hong Xia, Xiao-Hua Chen
For patients with occipital malformation, it is difficult to obtain reliable stability using three screws on the midline. A new aliform occipitocervical internal fixation system was designed. The occiput was fixed with 3, 7, or 11 screws, and a three-dimensional finite element model of the system was established. A compressive preload of 40N combined with a pure moment of 1.5Nm was applied to simulate normal flexion, extension, lateral bending, and axial rotation. The stress distribution across the screws on the occiput and the occipital displacement produced by the newly developed system were compared with those produced by the DePuy SUMMIT system...
October 28, 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28027700/management-of-persistent-occiput-posterior-position-a-substantial-role-of-instrumental-rotation-in-the-setting-of-failed-manual-rotation
#19
Paul Guerby, Mickael Allouche, Caroline Simon-Toulza, Christophe Vayssiere, Olivier Parant, Fabien Vidal
INTRODUCTION: To compare the maternal and neonatal outcomes associated with Instrumental Rotation (IR) to operative vaginal delivery in occiput posterior (OP) position with Thierry's spatulas (TS), in the setting of failed manual rotation (MR). STUDY DESIGN: We led a prospective observational cohort study in a tertiary referral hospital in Toulouse, France. All women presenting in labor with persistent OP position at full cervical dilatation and who delivered vaginally after failed MR and with IR or OP assisted delivery were included from January 2014 to December 2015...
January 23, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28018758/cervical-fracture-subluxation-in-a-patient-with-a-prior-c2-sacrum-fusion-case-report-and-review-of-literature
#20
Yi-Ren Chen, Alvin Y Chan, Kevin K Kumar, Anand Veeravagu
Traumatic injury to an adjacent segment of a previously fused spine is a rare complication of scoliosis surgery. The adjacent spinal segments may be more vulnerable to traumatic fracture or dislocation due to increased strain. We present a patient with prior C2 to sacrum fusion who suffered a C2 fracture/dislocation after falling. A 52-year-old female with a previous C2 to the sacrum fusion for idiopathic scoliosis presented with severe and progressively worsening neck pain after multiple falls. Imaging showed anterior displacement of the C2 vertebral body, fracture of C2, and anterior subluxation of the C1-2 complex on C3...
November 22, 2016: Curēus
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