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https://www.readbyqxmd.com/read/29054715/-negative-pressure-pulmonary-edema-following-a-cholecystectomy-a-case-report
#1
A Tebay, K Bouti, N Tebay
Negative pressure pulmonary edema (NPPE) or post-obstructive pulmonary edema (POPE) is a rare but a life threatening respiratory situation. The most frequent cause of NPPE is a post anesthetic laryngospasm. Edema is developed after relief of upper airway obstruction. Its incidence is 0.1 % of general anesthesia with tracheal intubation. We report this clinical case of a 28-year-old woman, who developed dyspnea followed by acute respiratory distress with unilateral pulmonary edema after extubation following general anesthesia for cholecystectomy under celioscopy...
October 17, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29054504/proteomics-in-plasma-of-ovariectomized-rats-and-those-exposed-to-estradiol-valerate
#2
Hai Jiang, Wenpei Bai, Wenjuan Wang, Ke Wang, Jing Jia, Jing Zhang, He Diao, Lihua Qin
The menopausal period, an inevitable physiological process for women, is frequently associated with physiological and psychological dysfunction attributable to substantial fluctuation and gradual decrease in female hormones induced by ovarian failure, leading to corresponding symptoms and diseases that impact multiple systems in the body to varying degrees. As prior studies have focused primarily on menopausal syndrome-related pathophysiological changes and hormone replacement therapy effects, here we approached menopausal disease incidence risk and pathogenesis through systemic plasma proteomics analysis...
October 17, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29054315/cord-topographical-anatomy-and-its-role-in-evaluating-intramedullary-lesions
#3
REVIEW
James Andrew Spain, Scott Cressman, Horia Marin, Suresh C Patel, John J Corrigan, Brent Griffith
Intramedullary spinal lesions present a wide differential diagnosis including infectious, inflammatory, traumatic, ischemic, benign, or malignant neoplastic etiologies. Using knowledge of anatomy and physiology within the spinal cord, many similar appearing entities can be parsed into a prioritized differential. The purpose of this article is to review anatomy and pathophysiology of the spinal cord, with subsequent discussion of how this knowledge can be used to differentiate several similar appearing intramedullary pathologic processes...
September 18, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/29054038/epileptic-headache-a-rare-form-of-painful-seizure
#4
REVIEW
Carlo Cianchetti, Filippo Dainese, Maria Giuseppina Ledda, Giuliano Avanzini
PURPOSE: To describe the concept, features and mechanisms of epileptic headache (EH). METHODS: Analysis of all published articles concerning EH and related subjects. RESULTS: There are more than 30 published case studies of patients with headache as the only manifestation of a seizure, a condition that has been variously called "EH", "ictal epileptic headache", "hemicrania epileptica", "cephalic pain seizure". It is necessary to differentiate EH from "migralepsy" and "ictal non-epileptic headache"...
October 13, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29053777/movement-disorders-with-neuronal-antibodies-syndromic-approach-genetic-parallels-and-pathophysiology
#5
Bettina Balint, Angela Vincent, Hans-Michael Meinck, Sarosh R Irani, Kailash P Bhatia
Movement disorders are a prominent and common feature in many autoantibody-associated neurological diseases, a group of potentially treatable conditions that can mimic infectious, metabolic or neurodegenerative disease. Certain movement disorders are likely to associate with certain autoantibodies; for example, the characteristic dyskinesias, chorea and dystonia associated with NMDAR antibodies, stiff person spectrum disorders with GAD, glycine receptor, amphiphysin or DPPX antibodies, specific paroxysmal dystonias with LGI1 antibodies, and cerebellar ataxia with various anti-neuronal antibodies...
September 25, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29053771/the-cerebellum-in-alzheimer-s-disease-evaluating-its-role-in-cognitive-decline
#6
Heidi I L Jacobs, David A Hopkins, Helen C Mayrhofer, Emiliano Bruner, Fred W van Leeuwen, Wijnand Raaijmakers, Jeremy D Schmahmann
The cerebellum has long been regarded as essential only for the coordination of voluntary motor activity and motor learning. Anatomical, clinical and neuroimaging studies have led to a paradigm shift in the understanding of the cerebellar role in nervous system function, demonstrating that the cerebellum appears integral also to the modulation of cognition and emotion. The search to understand the cerebellar contribution to cognitive processing has increased interest in exploring the role of the cerebellum in neurodegenerative and neuropsychiatric disorders...
July 28, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29053742/are-current-chronic-fatigue-syndrome-criteria-diagnosing-different-disease-phenotypes
#7
Laura Maclachlan, Stuart Watson, Peter Gallagher, Andreas Finkelmeyer, Leonard A Jason, Madison Sunnquist, Julia L Newton
IMPORTANCE: Chronic fatigue syndrome (CFS) is characterised by a constellation of symptoms diagnosed with a number of different polythetic criteria. Heterogeneity across these diagnostic criteria is likely to be confounding research into the as-yet-unknown pathophysiology underlying this stigmatised and debilitating condition and may diagnose a disease spectrum with significant implications for clinical management. No studies to date have objectively investigated this possibility using a validated measure of CFS symptoms-the DePaul Symptom Questionnaire (DSQ)...
2017: PloS One
https://www.readbyqxmd.com/read/29053651/association-between-obesity-and-periodontal-disease-a-systematic-review-of-epidemiological-studies-and-controlled-clinical-trials
#8
M Martinez-Herrera, J Silvestre-Rangil, F-J Silvestre
BACKGROUND: Obesity is a very prevalent chronic disease worldwide and has been suggested to increase susceptibility of periodontitis. The aim of this paper was to provide a systematic review of the association between obesity and periodontal disease, and to determine the possible mechanisms underlying in this relationship. MATERIAL AND METHODS: A literature search was carried out in the databases PubMed-Medline and Embase. Controlled clinical trials and observational studies identifying periodontal and body composition parameters were selected...
October 20, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29053478/%C3%AE-lipoic-acid-as-adjunctive-treatment-for-schizophrenia-an-open-label-trial
#9
Lia Lira Olivier Sanders, Carlos Eduardo de Souza Menezes, Adriano José Maia Chaves Filho, Glautemberg de Almeida Viana, Francisco Vagnaldo Fechine, Maria Goretti Rodrigues de Queiroz, Said Gonçalvez da Cruz Fonseca, Silvânia Maria Mendes Vasconcelos, Maria Elisabete Amaral de Moraes, Clarissa S Gama, Sheila Seybolt, Eugênio de Moura Campos, Danielle Macêdo, David Freitas de Lucena
PURPOSE/BACKGROUND: Accumulating evidence suggests an involvement of oxidative stress in the pathophysiology of schizophrenia. This offers a hypothesis-derived therapeutic approach to hinder oxidative damage and its clinical sequelae. α-Lipoic acid (ALA) is a powerful natural antioxidant indicated to treat diabetic neuropathy. METHODS/PROCEDURES: In this pilot investigation, we administered ALA (100 mg/d) for 4 months, as an adjunct to antipsychotic medication, to 10 patients with schizophrenia...
October 19, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29053133/-ophthalmic-disorders-as-a-manifestation-of-parkinson-s-disease
#10
N B Chesnokova, T A Pavlenko, M V Ugrumov
Parkinson's disease is a severe neurodegenerative disease accompanied with the degeneration of dopaminergic neurons in the central and peripheral nervous system. The diagnosis of Parkinson's disease can still be made only on the stage of irreversible and nearly total degeneration of the nigrostriatum dopaminergic system and exhaustion of brain compensatory mechanisms that explains the low efficacy of therapy. Ophthalmic pathology is one of the nonmotor symptoms of Parkinson's disease. This can be explained firstly by the fact that eye is a 'peripheral part of brain' and secondly by the involvement of dopaminergic neurons (dopamine-producing cells) that are subject to the selective degeneration during Parkinson's disease in the regulation of visual function in the eye and brain...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29052220/efficacy-from-strange-sources
#11
Lawrence Lesko
Reverse translation (RT) refers to perceptions and observations of clinical outcomes, both beneficial and harmful, that can lead to a hypothesis intended to identify a new use of a drug that is different than the original use. I provide a panoramic view of successes in RT from the historic discovery of penicillin to the contemporary development of CAR T therapies. I delineate the core principles of RT that shift discovery from serendipity to a systematic strategy based on target identification based on causal biology, pharmacodynamic biomarkers that recapitulates disease pathophysiology, confirmation of target engagement by clinical proof of concept studies, and optimal selection of dose and interval...
October 20, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29052219/pharmacogenomic-discovery-to-function-and-mechanism-breast-cancer-as-a-case-study
#12
Liewei Wang, James Ingle, Richard Weinshilboum
Biomedical research is undergoing rapid change, with the development of a series of analytical omics techniques that are capable of generating Biomedical Big Data. These developments provide an unprecedented opportunity to gain novel insight into disease pathophysiology and mechanisms of drug action and response-but they also present significant challenges. Pharmacogenomics is a discipline within Clinical Pharmacology that has been at the forefront in defining, taking advantage of and dealing with the opportunities and challenges of this aspect of the Post-Genome Project world...
October 20, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29051336/exercise-limitations-in-heart-failure-with-reduced-and-preserved-ejection-fraction
#13
David C Poole, Russell S Richardson, Mark J Haykowsky, Daniel M Hirai, Timothy I Musch
The hallmark symptom of chronic heart failure (CHF) syndrome is severe exercise intolerance. Impaired perfusive and diffusive O2 transport are two of the major determinants of reduced physical capacity and lowered maximal O2 uptake (VO2max) in CHF patients. It has now become evident that this syndrome manifests two different phenotypic variations: heart failure with preserved or reduced ejection fraction (HFpEF and HFrEF, respectively). Unlike HFrEF, however, there is currently limited understanding of HFpEF pathophysiology leading to a lack of effective pharmacological treatments for this subpopulation...
October 19, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29051086/depression-subtyping-based-on-evolutionary-psychiatry-proximate-mechanisms-and-ultimate-functions
#14
REVIEW
Markus J Rantala, Severi Luoto, Indrikis Krams, Hasse Karlsson
Major depressive disorder constitutes one of the leading causes of disability worldwide. However, it is not a unitary disease-it is a heterogeneous syndrome, with patients differing remarkably in symptom profile, pathophysiology and treatment responsiveness. Previous attempts to subtype major depressive disorder have showed limited clinical applicability. We present a classification of major depressive disorder episodes based on the proximate mechanisms that led to the original mood change that caused the depressive episode...
October 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29050567/biological-phenotypes-of-heart-failure-with-preserved-ejection-fraction
#15
REVIEW
Gavin A Lewis, Erik B Schelbert, Simon G Williams, Colin Cunnington, Fozia Ahmed, Theresa A McDonagh, Christopher A Miller
Heart failure with preserved ejection fraction (HFpEF) involves multiple pathophysiological mechanisms, which result in the heterogeneous phenotypes that are evident clinically, and which have potentially confounded previous HFpEF trials. A greater understanding of the in vivo human processes involved, and in particular, which are the causes and which are the downstream effects, may allow the syndrome of HFpEF to be distilled into distinct diagnoses based on the underlying biology. From this, specific interventions can follow, targeting individuals identified on the basis of their biological phenotype...
October 24, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29050534/low-copy-numbers-of-complement-c4-and-homozygous-deficiency-of-c4a-may-predispose-to-severe-disease-and-earlier-disease-onset-in-patients-with-systemic-lupus-erythematosus
#16
M Jüptner, F Flachsbart, A Caliebe, W Lieb, S Schreiber, R Zeuner, A Franke, J O Schröder
Objectives Low copy numbers and deletion of complement C4 genes are potent risk factors for systemic lupus erythematosus (SLE). However, it is not known whether this genetic association affects the clinical outcome. We investigated C4 copy number variation and its relationship to clinical and serological features in a Northern European lupus cohort. Methods We genotyped the C4 gene locus using polymerase chain reaction (PCR)-based TaqMan assays in 169 patients with SLE classified according to the 1997 revised American College of Rheumatology (ACR) criteria and in 520 matched controls...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29050190/-current-research-of-sympathetic-ophthalmia
#17
Y Di, J J Ye
Sympathetic ophthalmia (SO) is a rare, bilateral, non-necrotizing, granulomatous uveitis that usually occurs after open ocular injury or intraocular surgery. The pathophysiology is not clearly understood, but generally SO is an immediate hypersensitivity mediated by T lymphocytes which are related to ocular tissue antigens. The main histopathological features are granulation tissues composed of lymphocytes, macrophages and multinucleated giant cells. The clinical manifestations are different from person to person, which might be mild or severe...
October 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29050184/-choice-of-treatment-for-diabetic-macular-edema
#18
L Yang, J Zhang
Diabetic macular edema (DME), which is the consequence of the failed blood-retinal barrier, has become a leading cause of blindness in diabetic patients. Vascular endothelial growth factors (VEGF) and a series of inflammatory factors participate in the pathophysiology of DME. Laser photocoagulation was accepted as the first-line therapy before anti-VEGF therapy was proved to be more effective by several clinical trials. Anti-VEGF therapy has been regarded as the standard treatment, but there are still lots of cases resistant to anti-VEGF therapy...
October 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29049993/less-limb-muscle-involvement-in-myositis-patients-with-anti-mitochondrial-antibodies
#19
Takeshi Uenaka, Hisatomo Kowa, Yoshihisa Ohtsuka, Tsuneyoshi Seki, Kenji Sekiguchi, Fumio Kanda, Tatsushi Toda
Recent studies have revealed the clinical, histological, and pathophysiological characteristics in a group of inflammatory myopathies with selected autoantibodies. We retrospectively compared the clinical manifestations and histological features between 8 anti-mitochondrial (anti-M2) antibody-positive and 33 antibody-negative patients. Patients with anti-M2 antibodies have been previously reported to have delayed diagnostic confirmation and frequent cardiopulmonary complications in comparison to those without the antibodies...
October 19, 2017: European Neurology
https://www.readbyqxmd.com/read/29049519/association-of-bone-mineral-density-with-the-risk-of-intracranial-aneurysm
#20
Yong-Won Shin, Kyung-Il Park, Jangsup Moon, Soon-Tae Lee, Kon Chu, Sang Kun Lee, Jae-Kyu Roh, Keun-Hwa Jung
Importance: Disruption of extracellular matrix integrity is critically involved in both intracranial aneurysm and bone fragility. Furthermore, both intracranial aneurysm and osteoporosis have a female predominance, and sex hormones are considered to affect this discrepancy. Objective: To evaluate the association between bone mineral density and intracranial aneurysm. Design, Setting, and Participants: A cross-sectional study conducted with 14 328 patients who underwent brain magnetic resonance angiography and bone mineral densitometry as a part of a health examination at a specialized center for comprehensive health examination in Seoul, the largest metropolitan area in the Republic of Korea, between December 2004 and November 2015...
October 16, 2017: JAMA Neurology
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