Πέμπτη 11 Απριλίου 2019

Head and Neck


Endoscopic septoplasty: literature review, surgical techniques and retrospective analysis at the University Hospitals Leuven.
Related ArticlesEndoscopic septoplasty: literature review, surgical techniques and retrospective analysis at the University Hospitals Leuven. J Laryngol Otol. 2019 Apr 10;:1-7 Authors: Vandenbroeck S, Jorissen M Abstract BACKGROUND: Endoscopic septoplasty is an alternative approach for a deviated nasal septum. Since its introduction, numerous techniques have been developed, each with its own advantages and limitations. A literature review is presented,...
Laryngology and otology
Thu Apr 11, 2019 13:19
Human papillomavirus 16 and p16 positive nasal cutaneous squamous cell carcinoma in immunocompetent men in their twenties.
Related ArticlesHuman papillomavirus 16 and p16 positive nasal cutaneous squamous cell carcinoma in immunocompetent men in their twenties. J Laryngol Otol. 2019 Apr 10;:1-5 Authors: Amiraraghi N, Scott RA, Balaji N, Yaneza MMC Abstract BACKGROUND: Cutaneous squamous cell carcinoma is usually associated with long-term ultraviolet light exposure. Human papillomavirus 16 is a high-risk mucosal human papillomavirus type, usually associated with anogenital...
Laryngology and otology
Thu Apr 11, 2019 13:19
Anatomical variation of the sphenoid sinus in paediatric patients and its association with age and chronic rhinosinusitis.
Related ArticlesAnatomical variation of the sphenoid sinus in paediatric patients and its association with age and chronic rhinosinusitis. J Laryngol Otol. 2019 Apr 10;:1-5 Authors: Odat H, Almardeeni D, Tanash M, Al-Qudah M Abstract OBJECTIVE: To report the prevalence of different anatomical variations of the sphenoid sinus and its related structures among paediatric patients with or without chronic rhinosinusitis. METHODS: Computed tomography...
Laryngology and otology
Thu Apr 11, 2019 13:19
Augmenting ENT surgery outside the medical school curriculum: the role of a 1-day otolaryngology course.
Related ArticlesAugmenting ENT surgery outside the medical school curriculum: the role of a 1-day otolaryngology course. J Laryngol Otol. 2019 Apr 10;:1-6 Authors: Spiers H, Enayati H, Moussa R, Zargaran A, Thomas A, Murtaza A, Turki M, Ofo E Abstract BACKGROUND: ENT is highly under-represented in the saturated UK medical school curriculum, comprising less than 1 per cent of the curriculum. A 1-day course was implemented in order to raise awareness of...
Laryngology and otology
Thu Apr 11, 2019 13:19
Implementing a guideline for acute tonsillitis using an ambulatory medical unit.
Related ArticlesImplementing a guideline for acute tonsillitis using an ambulatory medical unit. J Laryngol Otol. 2019 Apr 10;:1-4 Authors: Perkins C, Ray Brown F, Pohl K, McLaren O, Powles J, Thorley R Abstract OBJECTIVE: Acute tonsillitis represents a significant proportion of admissions to ENT departments nationally. Given current hospital pressures, it is vital to look for safe alternatives to admission. This study explores the safe management of...
Laryngology and otology
Thu Apr 11, 2019 13:19
Double-blind, randomised controlled trial on the efficacy of saline nasal irrigation with sodium hyaluronate after endoscopic sinus surgery.
Related ArticlesDouble-blind, randomised controlled trial on the efficacy of saline nasal irrigation with sodium hyaluronate after endoscopic sinus surgery. J Laryngol Otol. 2019 Apr 10;:1-9 Authors: Mozzanica F, Preti A, Gera R, Bulgheroni C, Cardella A, Albera A, Collurà F, Mevio N, Dragonetti A, Schindler A, Milanesi U, Ottaviani F Abstract OBJECTIVE: There is a growing interest in sodium hyaluronate for the clinical management of patients who undergo...
Laryngology and otology
Thu Apr 11, 2019 13:19
Compared to Controls, Individuals with Lichen Planopilaris Have More Depression, a Lower Self-Esteem, and a Lower Quality of Life.
Related ArticlesCompared to Controls, Individuals with Lichen Planopilaris Have More Depression, a Lower Self-Esteem, and a Lower Quality of Life. Neuropsychobiology. 2019 Apr 10;:1-9 Authors: Alirezaei P, Ahmadpanah M, Rezanejad A, Soltanian A, Sadeghi Bahmani D, Brand S Abstract BACKGROUND: Individuals with lichen planopilaris (LPP) typically present with hair loss and an irritated scalp, with signs and symptoms such as itching, erythema, scaling,...
pubmed: sleep
Thu Apr 11, 2019 14:43
Obstructive Sleep Apnea in Adults.
Related ArticlesObstructive Sleep Apnea in Adults. N Engl J Med. 2019 Apr 11;380(15):1442-1449 Authors: Veasey SC, Rosen IM PMID: 30970189 [PubMed - in process]
pubmed: sleep
Thu Apr 11, 2019 14:43
The prevalence of bruxism and related factors in patients with multiple sclerosis: a comparative study.
Related ArticlesThe prevalence of bruxism and related factors in patients with multiple sclerosis: a comparative study. Arq Neuropsiquiatr. 2019 Mar;77(3):179-183 Authors: Odabas FÖ, Uca AU Abstract OBJECTIVE: To determine the prevalence of bruxism and related factors in patients with multiple sclerosis (MS). METHODS: Diagnosed with relapsing-remitting MS under the 2010-revised McDonald diagnostic criteria, 182 patients without MS exacerbations...
pubmed: sleep
Thu Apr 11, 2019 14:43
A literature review of the psychological status of asylum-seeking children: implications for nursing practice.
Related ArticlesA literature review of the psychological status of asylum-seeking children: implications for nursing practice. Br J Nurs. 2019 Apr 11;28(7):461-466 Authors: Flood C, Coyne I Abstract Europe is in the midst of a large-scale migration crisis, which has implications for healthcare provision for asylum-seeking children and families. The authors set out to identify the psychological status of asylum-seeking children and highlight their needs....
pubmed: sleep
Thu Apr 11, 2019 14:43
Inappropriate activation of pacemaker magnet response mode by CPAP masks.
Related ArticlesInappropriate activation of pacemaker magnet response mode by CPAP masks. Pacing Clin Electrophysiol. 2019 Apr 10;: Authors: Schwartz Y, Wasserlauf J, Sahakian AV, Knight B Abstract BACKGROUND: While electromagnetic interference is widely recognized as a cause of noise detected by CIEDs, we report on two cases of inappropriate activation of magnet response mode due to magnets in CPAP masks. METHODS: Two patients with St. Jude...
pubmed: sleep
Thu Apr 11, 2019 14:43
The association of vertical and horizontal workplace social capital with employees' job satisfaction, exhaustion and sleep disturbances: a prospective study.
Related ArticlesThe association of vertical and horizontal workplace social capital with employees' job satisfaction, exhaustion and sleep disturbances: a prospective study. Int Arch Occup Environ Health. 2019 Apr 09;: Authors: Framke E, Sørensen OH, Pedersen J, Clausen T, Borg V, Rugulies R Abstract PURPOSE: Workplace social capital (WSC) may be beneficial for employees' health and well-being; however, most studies have analyzed WSC on the individual...
pubmed: sleep
Thu Apr 11, 2019 14:43
Cognitive Behavioral Therapy for Prenatal Insomnia: A Randomized Controlled Trial.
Related ArticlesCognitive Behavioral Therapy for Prenatal Insomnia: A Randomized Controlled Trial. Obstet Gynecol. 2019 Apr 05;: Authors: Manber R, Bei B, Simpson N, Asarnow L, Rangel E, Sit A, Lyell D Abstract OBJECTIVE: To evaluate the effectiveness of cognitive behavioral therapy for insomnia during pregnancy. METHODS: Randomized, unmasked, 3-site controlled trial. Participants were randomly allocated to cognitive behavioral therapy for insomnia...
pubmed: sleep
Thu Apr 11, 2019 14:43
Concussion Symptoms Predictive of Adolescent Sport-Related Concussion Injury.
Related ArticlesConcussion Symptoms Predictive of Adolescent Sport-Related Concussion Injury. Clin J Sport Med. 2019 Apr 05;: Authors: Harriss AB, Abbott KC, Humphreys D, Daley M, Moir ME, Woehrle E, Balestrini CS, Fischer LK, Fraser DD, Shoemaker JK Abstract OBJECTIVE: To assess the predictive capability of the postconcussion symptom scale (PCSS) of the sport concussion assessment tool (SCAT) III to differentiate concussed and nonconcussed adolescents....
pubmed: sleep
Thu Apr 11, 2019 14:43
Sleep determines quality of life in autistic adults: A longitudinal study.
Related ArticlesSleep determines quality of life in autistic adults: A longitudinal study. Autism Res. 2019 Apr 10;: Authors: Deserno MK, Borsboom D, Begeer S, Agelink van Rentergem JA, Mataw K, Geurts HM Abstract Many individuals with autism report generally low quality of life (QoL). Identifying predictors for pathways underlying this outcome is an urgent priority. We aim to examine multivariate patterns that predict later subjective and objective...
pubmed: sleep
Thu Apr 11, 2019 14:43
The effect of caloric restriction on working memory in healthy non-obese adults.
Related ArticlesThe effect of caloric restriction on working memory in healthy non-obese adults. CNS Spectr. 2019 Apr 10;:1-7 Authors: Leclerc E, Trevizol AP, Grigolon RB, Subramaniapillai M, McIntyre RS, Brietzke E, Mansur RB Abstract OBJECTIVE: We aim to evaluate the effect of caloric restriction (CR) in cognition by comparing performance in neuropsychological tests for working memory between a group of non-obese healthy subjects doing CR for 2 years...
pubmed: sleep
Thu Apr 11, 2019 14:43
CSF1R mutation presenting as dementia with Lewy bodies.
Related ArticlesCSF1R mutation presenting as dementia with Lewy bodies. Neurocase. 2019 Apr 10;:1-4 Authors: Sharma R, Graff-Radford J, Rademakers R, Boeve BF, Petersen RC, Jones DT Abstract Hereditary diffuse leukoencephalopathy with spheroids (HDLS) is an adult-onset autosomal dominant leukoencephalopathy resulting from mutations affecting the tyrosine kinase domain of the colony stimulating factor receptor 1 protein (encoded by CSF1R). The clinical...
pubmed: sleep
Thu Apr 11, 2019 14:43
The key role of insomnia and sleep loss in the dysregulation of multiple systems involved in mood disorders: A proposed model.
Related ArticlesThe key role of insomnia and sleep loss in the dysregulation of multiple systems involved in mood disorders: A proposed model. J Sleep Res. 2019 Apr 10;:e12841 Authors: Palagini L, Bastien CH, Marazziti D, Ellis JG, Riemann D Abstract Mood disorders are amongst the most prevalent and severe disorders worldwide, with a tendency to be recurrent and disabling. Although multiple mechanisms have been hypothesized to be involved in their pathogenesis,...
pubmed: sleep
Thu Apr 11, 2019 13:13
The effects of zolpidem in obstructive sleep apnea - An open-label pilot study.
Related ArticlesThe effects of zolpidem in obstructive sleep apnea - An open-label pilot study. J Sleep Res. 2019 Apr 10;:e12853 Authors: Carberry JC, Grunstein RR, Eckert DJ Abstract New knowledge on hypnotics and their effects on the phenotypic causes of obstructive sleep apnea indicate that zolpidem has therapeutic potential for certain patients. Specifically, zolpidem increases the threshold for arousal threshold and pharyngeal dilator muscle responsiveness....
pubmed: sleep
Thu Apr 11, 2019 13:13
Definition of excessive daytime sleepiness in the general population: Feeling sleepy relates better to sleep-related symptoms and quality of life than the Epworth Sleepiness Scale score. Results from an epidemiological study.
Related ArticlesDefinition of excessive daytime sleepiness in the general population: Feeling sleepy relates better to sleep-related symptoms and quality of life than the Epworth Sleepiness Scale score. Results from an epidemiological study. J Sleep Res. 2019 Apr 10;:e12852 Authors: Thorarinsdottir EH, Bjornsdottir E, Benediktsdottir B, Janson C, Gislason T, Aspelund T, Kuna ST, Pack AI, Arnardottir ES Abstract Many different subjective tools are being...
pubmed: sleep
Thu Apr 11, 2019 13:13
Sleep-behaviour relationship in children with autism spectrum disorder: methodological pitfalls and insights from cognition and sensory processing.
Related ArticlesSleep-behaviour relationship in children with autism spectrum disorder: methodological pitfalls and insights from cognition and sensory processing. Dev Med Child Neurol. 2019 Apr 09;: Authors: Deliens G, Peigneux P Abstract Sleep disturbances are frequent and varied in autism spectrum disorder (ASD). Growing evidence suggests that sleep problems in children with ASD are driven by their clinical characteristics and psychiatric comorbidities....
pubmed: sleep
Thu Apr 11, 2019 13:13
Does coffee consumption impact sleep-disordered breathing?
Related ArticlesDoes coffee consumption impact sleep-disordered breathing? Sleep Breath. 2019 Apr 09;: Authors: Mysliwiec V, Brock MS PMID: 30968330 [PubMed - as supplied by publisher]
pubmed: sleep
Thu Apr 11, 2019 13:13
Psychopathological symptoms associated with synthetic cannabinoid use: a comparison with natural cannabis.
Related ArticlesPsychopathological symptoms associated with synthetic cannabinoid use: a comparison with natural cannabis. Psychopharmacology (Berl). 2019 Apr 09;: Authors: Mensen VT, Vreeker A, Nordgren J, Atkinson A, de la Torre R, Farré M, Ramaekers JG, Brunt TM Abstract BACKGROUND: Synthetic cannabinoids (SCs) are a class of new psychoactive substances that have been rapidly evolving around the world throughout recent years. Many different synthetic...
pubmed: sleep
Thu Apr 11, 2019 13:13
Association between sleep disturbance in Alzheimer's disease patients and burden on and health status of their caregivers.
Related ArticlesAssociation between sleep disturbance in Alzheimer's disease patients and burden on and health status of their caregivers. J Neurol. 2019 Apr 09;: Authors: Okuda S, Tetsuka J, Takahashi K, Toda Y, Kubo T, Tokita S Abstract BACKGROUND: Sleep disturbance in Alzheimer's disease (AD) patients may have a negative impact not only on patients themselves but also on the physical and mental health of their caregivers. Detailed analysis of these...
pubmed: sleep
Thu Apr 11, 2019 13:13
Measuring and regulating oxygen levels in microphysiological systems: design, material, and sensor considerations.
Related ArticlesMeasuring and regulating oxygen levels in microphysiological systems: design, material, and sensor considerations. Analyst. 2019 Apr 10;: Authors: Rivera KR, Yokus MA, Erb PD, Pozdin VA, Daniele M Abstract As microfabrication techniques and tissue engineering methods improve, microphysiological systems (MPS) are being engineered that recapitulate complex physiological and pathophysiological states to supplement and challenge traditional...
pubmed: sleep
Thu Apr 11, 2019 13:13
Hypothalamic-Pituitary-Gonadal Activity in Paradoxical and Psychophysiological Insomnia.
Related ArticlesHypothalamic-Pituitary-Gonadal Activity in Paradoxical and Psychophysiological Insomnia. J Med Signals Sens. 2019 Jan-Mar;9(1):59-67 Authors: Mohammadi H, Rezaei M, Faghihi F, Khazaie H Abstract Background: Although insomnia is a sex-dimorphic disorder, there is limited knowledge about the association between sex hormones and insomnia. In the present study, the level of hypothalamus-pituitary-gonadal (HPG) axis activity was investigated...
pubmed: sleep
Thu Apr 11, 2019 13:13
Positivity Effect and Working Memory Performance Remains Intact in Older Adults After Sleep Deprivation.
Related ArticlesPositivity Effect and Working Memory Performance Remains Intact in Older Adults After Sleep Deprivation. Front Psychol. 2019;10:605 Authors: Gerhardsson A, Fischer H, Lekander M, Kecklund G, Axelsson J, Åkerstedt T, Schwarz J Abstract Background: Older adults perform better in tasks which include positive stimuli, referred to as the positivity effect. However, recent research suggests that the positivity effect could be attenuated when...
pubmed: sleep
Thu Apr 11, 2019 13:13
Investigating the Complex Arrhythmic Phenotype Caused by the Gain-of-Function Mutation KCNQ1-G229D.
Related ArticlesInvestigating the Complex Arrhythmic Phenotype Caused by the Gain-of-Function Mutation KCNQ1-G229D. Front Physiol. 2019;10:259 Authors: Zhou X, Bueno-Orovio A, Schilling RJ, Kirkby C, Denning C, Rajamohan D, Burrage K, Tinker A, Rodriguez B, Harmer SC Abstract The congenital long QT syndrome (LQTS) is a cardiac electrophysiological disorder that can cause sudden cardiac death. LQT1 is a subtype of LQTS caused by mutations in KCNQ1, affecting...
pubmed: sleep
Thu Apr 11, 2019 13:13
Visbrain: A Multi-Purpose GPU-Accelerated Open-Source Suite for Multimodal Brain Data Visualization.
Related ArticlesVisbrain: A Multi-Purpose GPU-Accelerated Open-Source Suite for Multimodal Brain Data Visualization. Front Neuroinform. 2019;13:14 Authors: Combrisson E, Vallat R, O'Reilly C, Jas M, Pascarella A, Saive AL, Thiery T, Meunier D, Altukhov D, Lajnef T, Ruby P, Guillot A, Jerbi K Abstract We present Visbrain, a Python open-source package that offers a comprehensive visualization suite for neuroimaging and electrophysiological brain data....
pubmed: sleep
Thu Apr 11, 2019 13:13
Quality of life under extended continuous versus intermittent adjuvant letrozole in lymph node-positive, early breast cancer patients: the SOLE randomised phase 3 trial.
Related ArticlesQuality of life under extended continuous versus intermittent adjuvant letrozole in lymph node-positive, early breast cancer patients: the SOLE randomised phase 3 trial. Br J Cancer. 2019 Apr 10;: Authors: Ribi K, Luo W, Colleoni M, Karlsson P, Chirgwin J, Aebi S, Jerusalem G, Neven P, Di Lauro V, Gomez HL, Ruhstaller T, Abdi E, Biganzoli L, Müller B, Barbeaux A, Graas MP, Rabaglio M, Francis PA, Foukakis T, Pagani O, Graiff C, Vorobiof D, Maibach R, Di...
pubmed: sleep
Thu Apr 11, 2019 13:13
Immunomodulatory effects of sleep deprivation at different timing of psoriasiform process on skin inflammation.
Related ArticlesImmunomodulatory effects of sleep deprivation at different timing of psoriasiform process on skin inflammation. Biochem Biophys Res Commun. 2019 Apr 06;: Authors: Yang H, Li X, Zhang L, Xue F, Zheng J Abstract Sleep deprivation affects the pathophysiology of immune-inflammatory skin diseases such as psoriasis. Increasing efforts are directed toward exploring potential mechanisms involving sleep deprivation and immune responses. However,...
pubmed: sleep
Thu Apr 11, 2019 13:13
Enabling cell-type-specific behavioral epigenetics in Drosophila: a modified high-yield INTACT method reveals the impact of social environment on the epigenetic landscape in dopaminergic neurons.
Related ArticlesEnabling cell-type-specific behavioral epigenetics in Drosophila: a modified high-yield INTACT method reveals the impact of social environment on the epigenetic landscape in dopaminergic neurons. BMC Biol. 2019 Apr 10;17(1):30 Authors: Agrawal P, Chung P, Heberlein U, Kent C Abstract BACKGROUND: Epigenetic mechanisms play fundamental roles in brain function and behavior and stressors such as social isolation can alter animal behavior...
pubmed: sleep
Thu Apr 11, 2019 13:13
Reasons to doubt the generalizability, reliability, and diagnosticity of fast mapping (FM) for rapid lexical integration.
Related ArticlesReasons to doubt the generalizability, reliability, and diagnosticity of fast mapping (FM) for rapid lexical integration. Cogn Neurosci. 2019 Apr 09;:1-3 Authors: Gaskell MG, Lindsay S Abstract The possibility of fast mapping (FM) promoting rapid lexical integration challenges complementary systems accounts of word learning. Here, we first question the diagnosticity of orthographic lexical competition prior to sleep as an indicator of...
pubmed: sleep
Thu Apr 11, 2019 13:13
Global Health Education in Child Neurology and Neurodevelopmental Disabilities Training Programs in the United States: A National Survey.
Related ArticlesGlobal Health Education in Child Neurology and Neurodevelopmental Disabilities Training Programs in the United States: A National Survey. J Child Neurol. 2019 Apr 09;:883073819837466 Authors: Jimenez-Gomez A, Stowe RC, Balasa A, Castillo J, Lotze TE Abstract OBJECTIVES: To describe the current landscape of opportunities and education in global health among child neurology and neurodevelopmental disabilities training programs and provide...
pubmed: sleep
Thu Apr 11, 2019 13:13
Strategies in the clinical diagnosis and surgical treatment of OSAHS with multilevel obstruction.
Related ArticlesStrategies in the clinical diagnosis and surgical treatment of OSAHS with multilevel obstruction. J Int Med Res. 2019 Apr;47(4):1533-1543 Authors: Peng BG, Lai YQ, Lei HJ, Zhang N, Wang X Abstract OBJECTIVE: To examine the safety and effectiveness of individualized treatment strategies that include three principles (security, top-down and priority) for patients with obstructive sleep apnoea hypopnea syndrome (OSAHS) and multilevel obstruction...
pubmed: sleep
Thu Apr 11, 2019 13:13
Combined Program of Cognitive-Behavioral Therapy for Insomnia and Medication Tapering in Cancer Patients: A Clinic-Based Pilot Study.
Related ArticlesCombined Program of Cognitive-Behavioral Therapy for Insomnia and Medication Tapering in Cancer Patients: A Clinic-Based Pilot Study. Behav Sleep Med. 2019 Apr 09;:1-10 Authors: Jung HJ, Yu ES, Kim JH Abstract OBJECTIVE: This preliminary study aimed to evaluate the efficacy of a combined program of group-based cognitive-behavioral therapy for insomnia (CBT-I) and medication tapering for reducing hypnotic use in cancer patients and to...
pubmed: sleep
Thu Apr 11, 2019 13:13
Association between sleep duration, sleep quality and hyperlipidemia in middle-aged and older Chinese: The Dongfeng-Tongji Cohort Study.
Related ArticlesAssociation between sleep duration, sleep quality and hyperlipidemia in middle-aged and older Chinese: The Dongfeng-Tongji Cohort Study. Eur J Prev Cardiol. 2019 Apr 09;:2047487319843068 Authors: Wang D, Chen J, Zhou Y, Ma J, Zhou M, Xiao L, He M, Zhang X, Guo H, Yuan J, Chen W Abstract AIMS: This study aimed to evaluate the relationship between sleep duration, sleep quality and hyperlipidemia in middle-aged and older Chinese. ...
pubmed: sleep
Thu Apr 11, 2019 13:13
The Association Between ENT Diseases and Obesity in Pediatric Population: A Systemic Review of Current Knowledge.
Related ArticlesThe Association Between ENT Diseases and Obesity in Pediatric Population: A Systemic Review of Current Knowledge. Ear Nose Throat J. 2019 Apr 09;:145561319840819 Authors: Krajewska Wojciechowska J, Krajewski W, Zatoński T Abstract Obesity in pediatric population is an important global problem. The prevalence of obesity in children is dramatically rising. According to World Health Organization, about 41 million children under the age of...
pubmed: sleep
Thu Apr 11, 2019 13:13
Asymmetric Laryngopharyngeal Reflux Findings Following Sleep in the Lateral Recumbent Position.
Related ArticlesAsymmetric Laryngopharyngeal Reflux Findings Following Sleep in the Lateral Recumbent Position. Ear Nose Throat J. 2019 Apr 09;:145561319838406 Authors: Urban MJ, Sataloff RT PMID: 30966789 [PubMed - as supplied by publisher]
pubmed: sleep
Thu Apr 11, 2019 13:13
The coupling of short sleep duration and high sleep need predicts riskier decision making.
Related ArticlesThe coupling of short sleep duration and high sleep need predicts riskier decision making. Psychol Health. 2019 Apr 10;:1-18 Authors: Lau EYY, Wong ML, Rusak B, Lam YC, Wing YK, Tseng CH, Lee TMC Abstract OBJECTIVE: To examine how risk-related decision making might be associated with habitual sleep variables, including sleep variability, sleep duration and perceived sleep need in young adults cross-sectionally and longitudinally. ...
pubmed: sleep
Thu Apr 11, 2019 13:13

Δεν υπάρχουν σχόλια:

Δημοσίευση σχολίου

Σημείωση: Μόνο ένα μέλος αυτού του ιστολογίου μπορεί να αναρτήσει σχόλιο.