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Inês Leal, David Cordeiro Sousa, Filomena Pinto, Carlos Marques-Neves, Luís Abegão Pinto
PURPOSE: To determine intra- and inter-rater agreement of anterior lamina cribrosa depth (ALCD) manual measurements using enhanced-depth imaging optical coherence tomography (EDI-OCT). METHODS: Observational study. EDI-OCT of the optic nerve head was performed in healthy subjects. ALCD was defined as the perpendicular distance between the line connecting both edges of Bruch's membrane opening and the anterior border of the lamina cribrosa (LC), at the maximum depth point...
October 21, 2016: Ophthalmic Research
Xiaohong Liu, Hehua Ye, Qi Zhang, Xuan Cai, Wenjing Yu, Siyi Yu, Tianyu Wang, Wuyi Lu, Xiang Li, Peiquan Zhao
BACKGROUND: Myopia subjects usually have long axial lengths and are predisposed to deep anterior chamber depths and open angles. Jiangning eye study is a randomized, population based study in Shanghai to determine whether myopia has an effect on the prevalence of occludable angles. METHODS: A total of 2478 residents aged 50 years and over were randomly selected, and 2044 (82.5%) individuals of them participated in ophthalmic examinations between November 2012 and February 2013...
2016: PloS One
Dariusz Wodziak, Aiwen Dong, Michael F Basin, Anson W Lowe
A recently published study identified Anterior Gradient 2 (AGR2) as a regulator of EGFR signaling by promoting receptor presentation from the endoplasmic reticulum to the cell surface. AGR2 also promotes tissue regeneration in amphibians and fish. Whether AGR2-induced EGFR signaling is essential for tissue regeneration in higher vertebrates was evaluated using a well-characterized murine model for pancreatitis. The impact of AGR2 expression and EGFR signaling on tissue regeneration was evaluated using the caerulein-induced pancreatitis mouse model...
2016: PloS One
Rui Gao, Guangjian Zhang, Xueqi Chen, Aimin Yang, Gwenn Smith, Dean F Wong, Yun Zhou
OBJECTIVE: Cerebrospinal fluid (CSF) biomarkers, such as α-synuclein (α-syn), amyloid beta peptide 1-42 (Aβ1-42), phosphorylated tau (181P) (p-tau), and total tau (t-tau), have long been associated with the development of Parkinson disease (PD) and other neurodegenerative diseases. In this investigation, we reported the assessment of CSF biomarkers and their correlations with vesicular monoamine transporter 2 (VMAT2) bindings measured with 18F-9-fluoropropyl-(+)-dihydrotetrabenazine (18F-AV133) that is being developed as a biomarker for PD...
2016: PloS One
Shelby A Montague, Bruce S Baker
An animal's ability to learn and to form memories is essential for its survival. The fruit fly has proven to be a valuable model system for studies of learning and memory. One learned behavior in fruit flies is courtship conditioning. In Drosophila courtship conditioning, male flies learn not to court females during training with an unreceptive female. He retains a memory of this training and for several hours decreases courtship when subsequently paired with any female. Courtship conditioning is a unique learning paradigm; it uses a positive-valence stimulus, a female fly, to teach a male to decrease an innate behavior, courtship of the female...
2016: PloS One
Dong Kwang Seo, Moon Kyu Kim, Soo Jung Choi, Jun Young Sohn, Young Ki Kim, Eui Kyun Jeong, Jung-Ki Ha, Chung Hwan Kim, Jin Hoon Park
STUDY DESIGN: This is a case series of device failure patients. OBJECTIVE: To identify poor candidates for anterior cervical discectomy and fusion (ACDF) using an anchored cage. SUMMARY OF BACKGROUND DATA: An anchored cage has been used as an alternative implant for ACDF surgery because of ease of use, relatively acceptable fusion rate, and lower risk of plate-related complications, including dysphagia. MATERIALS AND METHODS: We retrospectively reviewed the outcomes of 36 patients who underwent ACDF using an anchored cage between January 2012 and December 2013...
October 19, 2016: Clinical Spine Surgery
C Andres Benatti, Natalie A Afshari
PURPOSE OF REVIEW: The review updates the mechanisms, clinical presentation, diagnosis, and management of Descemet membrane detachment after cataract surgery, particularly during cataract surgery. RECENT FINDINGS: The advent of new imaging techniques like the anterior segment optical coherence tomography and a better comprehension of the clinical and pathological aspects of detachment, has improved the diagnosis and treatment of this complication to the extent that the first algorithms and protocols have been proposed...
October 19, 2016: Current Opinion in Ophthalmology
Daniel S Chan, Paul M Balthrop, Brian White, David Glassman, Roy W Sanders
OBJECTIVE: To determine whether multiple approaches pose an increased risk to fracture healing when compared to a standard single approach in the treatment of pilon (OTA 43C) fractures. DESIGN: Retrospective review of a prospective database. SETTING: Level I academic trauma center and level II community trauma center. METHODS: From January 1, 2005 to December 31, 2011, all records of patients treated for OTA 43C fractures of the distal tibia were reviewed...
October 1, 2016: Journal of Orthopaedic Trauma
David F Woodward, Stacey L Wenthur, Tara L Rudebush, Shan Fan, Carol B Toris
PURPOSE: Since all prostanoid receptors affect intraocular pressure (IOP) and endogenous prostanoids are found in ocular tissues, the pressor effects of prostanoid antagonists were comprehensively evaluated. The absence of effects of most of these antagonists was not entirely anticipated. To ensure no false-negative results, ocular biodisposition studies were conducted. METHODS: Monkeys with laser-induced ocular hypertension were used to study antagonist effects on IOP...
October 20, 2016: Journal of Ocular Pharmacology and Therapeutics
Sarah C Bath, Victor J M Pop, Victoria L Furmidge-Owen, Maarten Broeren, Margaret P Rayman
Background Though iodine deficiency in pregnancy is a matter of public-health concern, a functional measure of iodine status is lacking. The thyroid-specific protein, thyroglobulin (Tg), which reflects thyroid size, has shown promise as a functional measure in studies of children and adults, but data in pregnancy are sparse. In a cohort of mildly-to-moderately iodine-deficient pregnant women, we aimed to explore whether serum Tg is a sensitive functional biomarker of iodine status and to examine longitudinal change in Tg with gestational age...
October 20, 2016: Thyroid: Official Journal of the American Thyroid Association
Alain de Chambrier, Carlos Daniel Pinacho-Pinacho, Jesus Servando Hernà Ndez-Orts, Tomà ŠScholz
Cichlidocestus n. gen. is proposed to accommodate 2 new species of proteocephalidean cestodes, Cichlidocestus gillesi n. sp. from Cichlasoma amazonarum in Peru Amazonia (type species) and Cichlidocestus janikae n. sp. from Hypsophrys nicaraguensis (all Perciformes: Cichlidae) in Costa Rica. The new genus is unique among all but 1 proteocephalidean genera in the position of the ovary that occupies the middle and posterior thirds of proglottids (versus the ovary in the posterior third of proglottids near their posterior margin in all but 1 remaining taxa)...
October 20, 2016: Journal of Parasitology
Parthopratim Dutta Majumder, Avirupa Ghose, Meenakshi Chidambaram, Sudha K Ganesh, Jyotirmay Biswas
PURPOSE: To report the clinical profile of a series of necrotizing scleritis in an Indian population. METHODS: A retrospective medical record review of 27 consecutive patients with necrotizing scleritis. Patient demographics, ocular and systemic findings, treatment modalities, and visual outcome were recorded. RESULTS: There were 19 males and 8 females (31 eyes) with mean age at presentation of 49.5 years (range: 30-84 years). Underlying immunologically induced disorders was present in 37%...
October 20, 2016: Ocular Immunology and Inflammation
Mingxiong Huang, Deborah L Harrington, Ashley Robb, Annemarie Angeles, Sharon Nichols, Angela I Drake, Tao Song, Mithun Diwakar, Charles W Huang, Victoria Risbrough, Anders M Dale, Hauke Bartsch, Scott Matthews, Jeffrey W Huang, Roland R Lee, Dewleen G Baker
Blast mild traumatic brain injury (mTBI) is a leading cause of sustained impairment in military service members and Veterans. However, the mechanism of persistent disability is not fully understood. The present study investigated disturbances in brain functioning in mTBI participants using a source-imaging-based approach to analyze functional connectivity (FC) from resting-state magnetoencephalography (rs-MEG). Study participants included 26 active-duty service members or Veterans who had blast mTBI with persistent post-concussive symptoms and 22 healthy control active-duty service members or Veterans...
October 20, 2016: Journal of Neurotrauma
Xianghua Liang, Lili Zhang, Yanwei Lv
AIM: A complete and non-splice porcine small-intestine submucosa (SIS) patch was used for total pelvic anatomical repair of organ prolapse. METHODS: This study included a total of 17 patients with severe total pelvic organ prolapse, including five patients with combined stress urinary incontinence (SUI). Panhysterectomy was performed, and then a porcine SIS patch was placed on the anterior (posterior) vaginal wall. The top of the vaginal wall was moved to the corresponding side of the vaginal wall, and the patch was sutured to bilateral uterosacral ligaments, the sacrospinous ligament, and arcus tendineus fasciae pelvis...
October 20, 2016: Journal of Obstetrics and Gynaecology Research
Hsueh-Yu Li, Yu-Lun Lo, Chao-Jan Wang, Li-Jen Hsin, Wan-Ni Lin, Tuan-Jen Fang, Li-Ang Lee
Surgical success for obstructive sleep apnea (OSA) depends on identifying sites of obstruction in the upper airway. In this study, we investigated sites of obstruction by evaluating dynamic changes in the upper airway using drug-induced sleep computed tomography (DI-SCT) in patients with OSA. Thirty-five adult patients with OSA were prospectively enrolled. Sleep was induced with propofol under light sedation (bispectral index 70-75), and low-dose 320-detector row CT was performed for 10 seconds over a span of 2-3 respiratory cycles with supporting a continuous positive airway pressure model...
October 20, 2016: Scientific Reports
Aneeta Bhatia
The tricuspid is the lost valve and the pulmonary being the most anterior, is not visualized well on TEE; The Pulmonary valve is a semilunar valve that separates the right ventricle from the pulmonary artery. It is situated anterior and superior to the aortic valve, almost at right angle to the aortic valve and parallel to the beam of the ultrasound.
October 2016: Annals of Cardiac Anaesthesia
S Chawla, J Bowman, M Gandhi, B Panizza
BACKGROUND: The skull base is a highly complex anatomical region that provides passage for important nerves and vessels as they course into and out of the cranial cavity. Key to the management of pathology in this region is a thorough understanding of the anatomy, with its variations, and the relationship of various neurovascular structures to the pathology in question. Targeted high-resolution magnetic resonance imaging on high field strength magnets can enable the skull base surgeon to understand this intricate relationship and deal with the pathology from a position of relative advantage...
October 20, 2016: Journal of Laryngology and Otology
Kamyar Keramatian, Taj Dhanoa, Alexander McGirr, Donna J Lang, William G Honer, Raymond W Lam, Lakshmi N Yatham
OBJECTIVES: The neurobiological underpinnings of bipolar I disorder are not yet understood. Previous structural neuroimaging studies of bipolar disorder have produced rather conflicting results. We hypothesize that clinical sub-phenotypes of bipolar I disorder defined by their psychotic symptoms, especially those with mood-incongruent psychotic features, may have more extensive structural brain abnormalities. METHODS: We investigated structural brain alterations in patients with first-episode mania (n = 55) with mood-congruent (n = 16) and mood-incongruent (n = 32) psychotic features, as well as those without psychotic symptoms (n = 7), relative to healthy subjects (n = 56)...
October 20, 2016: World Journal of Biological Psychiatry
J C Menon, J K Joseph, M P Jose, B L Dhananjaya, O V Oommen
INTRODUCTION: Snakebite is an occupational hazard causing considerable morbidity and mortality worldwide, particularly so in tropical countries like India. OBJECTIVE: The aim of this study is to (i) review the demographic, clinical and laboratory findings in patients (1051) admitted with venomous snakebite (ii) to correlate mortality, morbidity and duration of hospital stay with clinical signs, symptoms and laboratory parameters. METHODS: A retrospective study of 1051 patients treated for snakebite over 10 years (2000 - 2009) in Little Flower Hospital, Angamaly, Kerala...
August 2016: Journal of the Association of Physicians of India
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