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https://www.readbyqxmd.com/read/28944938/-reverse-j-shaped-skin-flap-and-cranial-bone-groove-for-shunt-hardware-a-new-technique-in-patients-with-fragile-skin
#1
Murteza Cakir
INTRODUCTION: Shunt systems are not perfect devices and can cause severe complications. Complications may originate from problems related to the valve, the patient, or the surgery and more common in neonates, infants, especially preterm by reason of the special characteristics these patients owned. We therefore have succesfully developed useful and viable surgical technique in order to provide helpful aspects to surgical issues mentioned above. TECHNIQUE: This technique includes \"reverse J\" shaped skin incision with nonintersecting the shun's hardware and distal catheter and to be reduced the wound problems to the minimum rates by opening \"bone groove\"...
July 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944612/using-individual-functional-channels-of-interest-to-study-cortical-development-with-fnirs
#2
Lindsey J Powell, Ben Deen, Rebecca Saxe
Functional near-infrared spectroscopy (fNIRS) is a noninvasive neuroimaging technique that could be uniquely effective for investigating cortical function in human infants. However, prior efforts have been hampered by the difficulty of aligning arrays of fNIRS optodes placed on the scalp to anatomical or functional regions of underlying cortex. This challenge can be addressed by identifying channels of interest in individual participants, and then testing the reliability of those channels' response profiles in independent data...
September 24, 2017: Developmental Science
https://www.readbyqxmd.com/read/28944154/custard-apple-seed-induced-keratitis-a-harmful-traditional-practice-in-south-india
#3
Pratheeba Devi Nivean, S Malarkodi, M Nishanth, M Nivean
Custard apple seeds have been used as a traditional remedy for scalp infestation of lice and dandruff since many years in our part of the world. Not many people, doctors even, are aware about the ill effects of this practice. Surprisingly, there are very few reports on poisoning due to these seeds and the management is not very well streamlined. Rohit Shetty et al. highlighted the ill effects of the seeds and the need to avoid steroids in these cases as they worsen the clinical scenario. We present 2 patients who developed keratoconjunctivitis due to ocular exposure with custard apple seeds...
2017: GMS Ophthalmology Cases
https://www.readbyqxmd.com/read/28943364/earlier-and-more-distributed-neural-networks-for-bilinguals-than-monolinguals-during-switching
#4
Kalinka Timmer, John G Grundy, Ellen Bialystok
The present study investigated processing differences between young adults who were English monolinguals or English-French bilinguals on a task- and language-switching paradigm. The mechanisms responsible for task switching and language switching were investigated using electrophysiological (EEG) measures. In nonverbal task switching, monolinguals and bilinguals demonstrated equivalent mixing (pure vs. repeat) and switching (repeat vs. switch) costs, but bilinguals were more accurate in the mixed blocks. Bilinguals used a more distributed neural network than monolinguals that captured the nonverbal mixing effect and showed earlier discrimination for the switching effect in the ERPs...
September 21, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28943057/innovative-application-of-intraoperative-laser-assisted-fluorescence-angiography-in-resection-of-an-angiosarcoma-of-the-scalp
#5
Clara M Olcott, Daniel W Karakla
No abstract text is available yet for this article.
August 26, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28942405/congenital-melanocytic-nevus-mimicking-a-turban-tumour-in-an-18-year-old-filipino-male
#6
Maria Elinor Grace Sison, Eileen Cubillan, Bernard U Tansipek
Congenital melanocytic nevi (CMN) are nevi that are present at birth or arise within the first few weeks of life. They are often found on the trunk, head and neck and extremities. We report herein an unusual presentation of a CMN as a cerebriform tumour presenting as secondary cutis verticis gyrata on the scalp of an 18-year-old Filipino male.
September 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28941556/subgaleal-hematoma-at-the-contralateral-side-of-scalp-trauma-in-an-adult
#7
Ching-En Chen, Zen-Zhon Liao, Yen-Heng Lee, Cheng-Chieh Liu, Chi-Kao Tang, Yi-Rong Chen
BACKGROUND: Subgaleal hematoma (SGH), an abnormal accumulation of blood under the galeal aponeurosis of the scalp, is more commonly observed in newborns and children. According to previous cases, the etiology of SGH includes mild head trauma, vacuum-assisted vaginal delivery, contusion, and hair braiding or pulling. CASE REPORT: A 39-year-old healthy worker came to our emergency department (ED) due to scalp lacerations from an accident that caused severe twisting of his hair...
September 20, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28941500/prostaglandin-d2-uses-components-of-ros-signaling-to-enhance-testosterone-production-in-keratinocytes
#8
Alon Mantel, J Tyson McDonald, Kennedy Goldsborough, Valerie M Harvey, Joanne Chan
Elevated levels of prostaglandin D2 (PGD2) have been shown to be present in the bald scalp of androgenic alopecia (AGA) patients and to functionally inhibit hair growth. However, its precise mechanism in AGA has yet to be clearly defined. Although testosterone plays a critical role in the initiation and progression of AGA, the existence of a possible link between PGD2 and testosterone in skin has not been investigated. Here we show that human keratinocytes treated with PGD2 show enhanced capacity to convert the weak androgen, androstenedione, to testosterone...
October 2017: Journal of Investigative Dermatology. Symposium Proceedings
https://www.readbyqxmd.com/read/28939521/afm-analysis-of-collagen-fibrils-in-expanded-scalp-tissue-after-anisotropic-tissue-expansion
#9
Jazli Aziz, Muhamad Fadhil Ahmad, Mohammad Tariqur Rahman, Noor Azlin Yahya, Jan Czernuszka, Zamri Radzi
Successful use of tissue expanders depends on the quality of expanded tissue. This study evaluates the impact of anisotropic self-inflating tissue expander (SITE) on the biomechanics of skin. Two different SITE were implanted subcutaneously on sheep scalps; SITE that requires 30days for maximum expansion (Group A; n=5), and SITE that requires 21days for maximum expansion (Group B; n=5). Control animals (n=5) were maintained without SITE implantation. Young's Modulus, D-periodicity, overlap and gap region length, diameter, and height difference between overlap and gap regions on collagen fibrils were analyzed using atomic force microscopy...
September 19, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28939291/scalp-hypothermia-for-preventing-alopecia-during-chemotherapy-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#10
Hope S Rugo, Jeffrey Voigt
BACKGROUND: Alopecia is a side effect of chemotherapy and affects a patient's quality of life. Cooling the scalp during chemotherapy might reduce alopecia. The objective of this systematic and meta-analysis was to examine the effects of scalp cooling on the end point of alopecia in randomized controlled trials. MATERIALS AND METHODS: Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed. Electronic searches of databases were undertaken through February 2017...
August 10, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28938855/eeg-resting-state-networks-microstates-source-localization
#11
Anna Custo, Dimitri van der Ville, William M Wells, Ioana M Tomescu, Christoph Michel
Using EEG to elucidate the spontaneous activation of brain resting state networks is non trivial as the signal of interest is of low amplitude and it is difficult to distinguish the underlying neural sources. Using the principles of electric field topographical analysis, it is possible to estimate the meta-stable states of the brain (i.e., the resting state topographies, so-called microstates). We estimated seven resting state topographies explaining the EEG dataset with k-means clustering (N=164, 256 electrodes)...
September 22, 2017: Brain Connectivity
https://www.readbyqxmd.com/read/28938366/-camouflaging-cleft-lip-scar-using-follicular-unit-extraction-hair-transplantation-combined-with-autologous-fat-grafting
#12
Osman Akdag, Nuh Evin, Mehtap Karamese, Zekeriya Tosun
BACKGROUND: The scar that occurs after cleft lip surgery poses a serious cosmetic problem. One of the methods used to solve this problem in adult male patients is hair transplantation. However, satisfactory results with this method cannot always be achieved due to possible graft loss. The corrective feature of fat grafting has been reported in many studies. The aim of this report is to share our results with hair transplantation combined with fat grafting in patients with cleft lip. METHODS: This study included 20 patients who had both a scar and alopecia in the cleft lip area...
September 15, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28938330/temporal-scalp-thickness-body-mass-index-and-suprafascial-placement-of-receiver-coil-of-the-cochlear-implant
#13
Orhan Ozturan, Alper Yenigun, Erol Senturk, Omer Faruk Calim, Fadlullah Aksoy, Sabri Baki Eren
OBJECTIVE: The objectives of this study are to demonstrate the relationship between the thickness of the temporal scalp and body mass index (BMI), age, and sex, and to present the surgical technique which we perform in patients with a thick scalp. MATERIALS AND METHODS: This is a retrospective, cross-sectional study. This study was performed in a tertiary referral center. Cranial computed tomography images of 469 subjects were included in the study. These subjects were evaluated according to BMI, age, and sex...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28937410/cerebral-oxygenation-of-premature-lambs-supported-by-an-artificial-placenta
#14
Ahmed M El-Sabbagh, Brian W Gray, Andrew W Shaffer, Benjamin S Bryner, Joseph T Church, Jennifer S McLeod, Sara Zakem, Elena M Perkins, Renée A Shellhaas, John D E Barks, Alvaro Rojas-Peña, Robert H Bartlett, George B Mychaliska
An artificial placenta (AP) using venovenous extracorporeal life support (VV-ECLS) could represent a paradigm shift in the treatment of extremely premature infants. However, AP support could potentially alter cerebral oxygen delivery. We assessed cerebral perfusion in fetal lambs on AP support using near-infrared spectroscopy (NIRS) and carotid arterial flow (CAF). Fourteen premature lambs at EGA 130 days (term = 145) underwent cannulation of the right jugular vein and umbilical vein with initiation of VV-ECLS...
September 20, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28937303/palliative-coverage-of-cranial-defect-following-failed-cranial-flap-for-advanced-squamous-cell-carcinoma-case-report
#15
Vyacheslav Makler, Jeffrey S Litt, N Scott Litofsky
INTRODUCTION: With advanced-stage head and neck cancers, patients may develop large and/or complex wounds despite multiple reconstruction attempts. Wound coverage may require novel approaches to palliate the patient. METHOD: We present the case of a 56-year-old female with advanced squamous cell carcinoma of the scalp and skull who required multiple surgical interventions. Despite our best reconstructive efforts, the patient subsequently developed scalp infection and sepsis, necessitating further debridement for source control...
September 22, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28934529/traveling-slow-oscillations-during-sleep-a-marker-of-brain-connectivity-in-childhood
#16
Salome Kurth, Brady A Riedner, Douglas C Dean, Jonathan O'Muircheartaigh, Reto Huber, Oskar G Jenni, Sean C L Deoni, Monique K LeBourgeois
Slow oscillations, a defining characteristic of the nonrapid eye movement sleep electroencephalogram (EEG), proliferate across the scalp in highly reproducible patterns. In adults, the propagation of slow oscillations is a recognized fingerprint of brain connectivity and excitability. In this study, we (1) describe for the first time maturational features of sleep slow oscillation propagation in children (n = 23; 2-13 years) using high-density (hd) EEG and (2) examine associations between sleep slow oscillatory propagation characteristics (ie, distance, traveling speed, cortical involvement) and white matter myelin microstructure as measured with multicomponent Driven Equilibrium Single Pulse Observation of T1 and T2-magnetic resonance imaging (mcDESPOT-MRI)...
September 1, 2017: Sleep
https://www.readbyqxmd.com/read/28934300/synchronizing-the-transcranial-magnetic-pulse-with-electroencephalographic-recordings-effectively-reduces-inter-trial-variability-of-the-pulse-artefact
#17
Leo Tomasevic, Mitsuaki Takemi, Hartwig Roman Siebner
BACKGROUND: Electroencephalography (EEG) can capture the cortical response evoked by transcranial magnetic stimulation (TMS). The TMS pulse provokes a large artefact, which obscures the cortical response in the first milliseconds after TMS. Removing this artefact remains a challenge. METHODS: We delivered monophasic and biphasic TMS to a melon as head phantom and to four healthy participants and recorded the pulse artefact at 5 kHz with a TMS-compatible EEG system...
2017: PloS One
https://www.readbyqxmd.com/read/28933275/a-case-of-inappropriate-self-medication-compounded-with-prescribing-vis-%C3%A3-vis-dispensing-errors-and-the-hazardous-consequence
#18
Sukalyan Saha Roy, Anupam Roy, Ranjita Santra Dhali, Chiranjib Bagchi, Gautam Banerjee, Santanu K Tripathi
INTRODUCTION Dispensing error, a type of medication error, is not infrequent but seldom reported. Self-medication behavior appears to be a commonplace. And when it is ignorant it may prove dangerous. We report here a case of acute vesico-bullous eruptions from methotrexate in a patient of psoriasis who indulged in self-medication and was wrongfully dispensed higher doses of methotrexate. CASE DESCRIPTION A 50-year-old gentleman presented to the dermatology OPD with erythematous, vesico-bullar lesions spread all over the body including both limbs and scalp, with oral mucosal involvement without any history of fever...
September 19, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28932245/electromagnetic-fields-for-the-regulation-of-neural-stem-cells
#19
REVIEW
Mengchu Cui, Hongfei Ge, Hengli Zhao, Yongjie Zou, Yujie Chen, Hua Feng
Localized magnetic fields (MFs) could easily penetrate the scalp, skull, and meninges, thus inducing an electrical current in both the central and peripheral nervous systems, which is primarily used in transcranial magnetic stimulation (TMS) for inducing specific effects on different regions or cells that play roles in various brain activities. Studies of repetitive transcranial magnetic stimulation (rTMS) have led to novel attractive therapeutic approaches. Neural stem cells (NSCs) in adult human brain are able to self-renew and possess multidifferential ability to maintain homeostasis and repair damage after acute central nervous system...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28932069/acute-diffuse-and-total-alopecia-of-the-female-scalp-albeit-on-immunossupression
#20
Karina Lopes Morais, Alessandra Anzai, Neusa Yuriko Sakai Valente, Ricardo Romiti
No abstract text is available yet for this article.
July 2017: International Journal of Trichology
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