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https://www.readbyqxmd.com/read/27928435/a-debate-about-ultrasound-and-anatomic-aspects-of-the-cervix-in-spontaneous-preterm-birth
#1
REVIEW
Bohîlțea Re, Munteanu O, Turcan N, Baros A, Bodean O, Voicu D, Cîrstoiu Mm
Preterm birth is the legal first global cause of neonatal death. The cervix has two roles: it has to stay closed to allow the fetus to undergo a normal development during gestation, and at term, the cervix has to dilate under the pressure of uterine contractions to allow the delivery. The purpose of this article is to establish if the ultrasound measured length of the cervix and its appearance are predictive for the spontaneous preterm birth. Cervical insufficiency can be described by painless cervical dilatation leading to pregnancy losses/ births, with no other risk factors present...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27925658/pro-b-cells-propagated-in-stromal-cell-free-cultures-reconstitute-functional-b-cell-compartments-in-immunodeficient-mice
#2
Lilly von Muenchow, Panagiotis Tsapogas, Llucia Albertí-Servera, Giuseppina Capoferri, Marianne Doelz, Hannie Rolink, Nabil Bosco, Rhodri Ceredig, Antonius G Rolink
Up to now long-term in vitro growth of pro-B cells was thought to require stromal cells. However, here we show that fetal liver (FL) and bone marrow (BM) derived pro-B cells can be propagated long-term in stromal cell-free cultures supplemented with interleukin-7 (IL-7), stem cell factor and FLT3 ligand. Within a week, most cells expressed surface CD19, CD79A, λ5 and VpreB antigens and had rearranged immunoglobulin D-J heavy chain genes. Both FL and BM pro-B cells reconstituted the B-cell compartments of immuno-incompetent Rag2-deficient mice, with FL pro-B cells generating follicular, marginal zone (MZB) and B1a B cells, and BM pro-B cells giving rise mainly to MZB cells...
December 7, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27913834/key-role-of-pacing-site-as-determinant-factor-of-exercise-testing-performance-in-pediatric-patients-with-chronic-ventricular-pacing
#3
Michel Cabrera Ortega, Hiram Tápanes Duamy, Dunia B Benítez Ramos
Chronic right ventricular (RV) apical pacing has been associated with deterioration of functional capacity and chronotropic incompetence during exercise testing in children. The effects of alternative pacing site on exercise performance in pediatric population remain unknown. We evaluated the influence of ventricular pacing site on exercise capacity in pediatric patients with complete congenital atrioventricular block requiring permanent pacemaker therapy. Sixty-four children paced from RV apex (n = 26), RV midseptum (n = 15) and left ventricular (LV) apex (n = 23) were studied cross-sectionally...
December 2, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27913718/longitudinal-voice-outcomes-after-type-i-gore-tex-thyroplasty-for-nonparalytic-glottic-incompetence
#4
Lewis Overton, Katherine Adams, Rupali N Shah, Robert A Buckmire
OBJECTIVE: Type I Gore-tex thyroplasty (GTP) for nonparalytic glottic incompetence (GI) results in significantly improved subjective and perceptual voice outcomes. We endeavored to investigate the longitudinal course of voice outcomes measuring the same patients across time points stratified by diagnostic subgroup. METHODS: Seventy-five patients with nonparalytic GI treated with GTP in the past 9 years were retrospectively reviewed and grouped according to their primary diagnoses (atrophy, scar, hypomobility, and paresis)...
January 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27911107/endovenous-and-perivenous-808-nm-laser-treatment-of-lower-limb-collateral-reticular-and-telangiectasiac-veins
#5
Walter Bugiantella, Bruno Bovani, Francesco Zini
BACKGROUND: Visible leg veins are not only a mere aesthetic problem, but may also be manifestation of altered microcirculation and superficial venous incompetency. Sclerotherapy is the first-line treatment for leg veins < 4 mm, but it often needs multiple sessions and sometimes fails. The main limitations of transcutaneous laser treatment are the diameter and the depth of the veins: the greater, the harder photothermolysis is, so that higher powers may lead to aesthetic complications...
December 2, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27904169/lean-umbilical-cord-a-case-report
#6
N Rippinger, M Elsässer, P Sinn, C Sohn, H Fluhr
The "lean" umbilical cord (also known as thin-cord syndrome) is a comparatively rare anomaly of the umbilical cord, which has seldom been described in the medical literature. We report on a 35-year-old women who presented to us at 29 + 4 weeks gestation with vaginal bleeding and cervical incompetence subsequently complicated not only by premature rupture of membranes but also acute placental insufficiency requiring emergency caesarean section under general anaesthesia at 31 + 2 weeks gestation. At surgery no obvious cause for the acute placental insufficiency - such as placental abruption, cord prolapse or true knot of the umbilical cord - was found...
November 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/27903074/bicornuate-uterus-is-an-independent-risk-factor-for-cervical-os-insufficiency-a-retrospective-population-based-cohort-study
#7
Salvatore Andrea Mastrolia, Yael Baumfeld, Reli Hershkovitz, Giuseppe Loverro, Edoardo Di Naro, David Yohai, Polina Schwarzman, Adi Yehuda Weintraub
INTRODUCTION: The purpose of our study was to explore maternal and fetal outcomes in the second and third trimester in women with bicornuate uterus. METHODS: A total of 280,106 pregnancies met the inclusion criteria and were divided in two study groups: (1) pregnancies in women with bicornuate uterus (n = 444); and (2) controls (n = 279,662). The diagnosis of bicornuate uterus was performed in all patients during the workup for infertility or recurrent pregnancy loss, during pregnancy, or at the time of cesarean delivery...
December 1, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27899229/development-of-novel-replication-defective-lymphocytic-choriomeningitis-virus-vectors-expressing-siv-antigens
#8
Pablo Penaloza MacMaster, Jennifer L Shields, Quazim A Alayo, Crystal Cabral, Jessica Jimenez, Jade Mondesir, Abishek Chandrashekar, Joseph M Cabral, Matthew Lim, M Justin Iampietro, Nicholas M Provine, Christine A Bricault, Michael Seaman, Klaus Orlinger, Andreas Aspoeck, Gerhard Fuhrmann, Anders E Lilja, Thomas Monath, Bastien Mangeat, Daniel D Pinschewer, Dan H Barouch
An important focus in vaccine research is the design of vaccine vectors with low seroprevalence and high immunogenicity. Replication-incompetent lymphocytic choriomeningitis virus (rLCMV) vectors do not elicit vector-neutralizing antibody responses, and homologous prime-boost regimens with rLCMV vectors induce boostable and protective T cell responses to model antigens in mice. However, cellular and humoral immune responses following homologous rLCMV vaccine regimens have not been rigorously evaluated in non-human primates (NHPs)...
January 3, 2017: Vaccine
https://www.readbyqxmd.com/read/27899160/physiopathology-of-vesico-ureteral-reflux
#9
REVIEW
Salvatore Arena, Roberta Iacona, Pietro Impellizzeri, Tiziana Russo, Lucia Marseglia, Eloisa Gitto, Carmelo Romeo
Vescico-Ureteral Reflux (VUR) is a common condition in childhood, caused by a congenital anomaly at the Vescico-Ureteral Junction (VUJ) level. It seems that the main cause could be an abnormal embryological development occurred during the early stage of fetal life.Refluxing ureteral endings show structural and functional anomalies: previous studies have shown a significant decrease in alfa actin, miosin and desmin contents as well as an high rate of atrophy and muscular degeneration with disorganized muscular fibres...
November 29, 2016: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/27898181/endovenous-ablation-therapy-laser-or-radiofrequency-or-foam-sclerotherapy-versus-conventional-surgical-repair-for-short-saphenous-varicose-veins
#10
REVIEW
Sharath Chandra Vikram Paravastu, Margaret Horne, P Dominic F Dodd
BACKGROUND: Short (or small) saphenous vein (SSV) varices occur as a result of an incompetent sapheno-popliteal junction, where the SSV joins the popliteal vein, resulting in reflux in the SSV; they account for about 15% of varicose veins. Untreated varicose veins may sometimes lead to ulceration of the leg, which is difficult to manage. Traditionally, treatment was restricted to surgery or conservative management. Since the 1990s, however, a number of minimally invasive techniques have been developed; these do not normally require a general anaesthetic, are day-case procedures with a quicker return to normal activities and avoid the risk of wound infection which may occur following surgery...
November 29, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27891482/treatment-emergent-agranulocytosis-with-skin-and-gingival-lesions-in-a-chronic-lymphocytic-leukemia-patient-a-case-report
#11
Ramesh Amirisetty, Varun Zade, Meenakshi Boddun, Rolly Gupta, Micky Kumari, Hema Suryawanshi
Chronic Lymphocytic Leukaemia (CLL) is a monoclonal lymphoid malignancy characterized by progressive accumulation of small, mature but functionally incompetent neoplastic lymphocytes in the peripheral blood, bone marrow and lymphoid organs. Patients present a variable course and may not require early intervention unlike other malignancies. Patients with rapidly deteriorating blood counts, and organomegaly need treatment. Alkylating agent live Bendamustine combined with Rituximab, anti-CD 20 monoclonal antibody have shown promising results in such patients...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890525/after-superficial-ablation-for-superficial-reflux-associated-with-primary-deep-axial-reflux-can-variable-outcomes-be-caused-by-deep-venous-valve-anomalies
#12
O Maleti, M Lugli, M Perrin
OBJECTIVE: To identify which deep anatomical anomalies can explain variable hemodynamic outcomes in patients with superficial reflux associated with primary deep axial reflux who underwent isolated superficial vein ablation without improvement. METHODS: This is a retrospective study of deep venous valve anomalies in patients who underwent superficial vein ablation for superficial and associated deep reflux. A group of 21 patients who were diagnosed with saphenous reflux associated with primary deep axial reflux, were submitted to great saphenous vein ablation...
November 24, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27887692/mechanisms-of-effort-intolerance-in-patients-with-heart-failure-and-borderline-ejection-fraction
#13
Yan Topilsky, Zach Rozenbaum, Shafik Khoury, Gregg S Pressman, Yaniv Gura, Jack Sherez, Avi Man, Jason Shimiaie, Sanford Edwards, Joshua Berookhim, Thierry Le Tourneau, Amir Halkin, Simon Biner, Gad Keren, Galit Aviram
Combining echocardiography and cardiopulmonary stress testing allows noninvasive assessment of hemodynamics, and oxygen extraction (A-VO2 difference). We evaluated mechanisms of effort intolerance in patients with heart failure with borderline (40% to 49%) left ventricular ejection fraction (EF) (HF and Borderline Ejection fraction). We included 89 consecutive patients with HF and Borderline Ejection fraction (n = 25; 63.6 ± 14 years, 64% men), control subjects (n = 22), patients with HF with preserved EF (n = 26; EF ≥50%), and patients with HF with reduced EF (n = 16; <40%)...
November 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27881477/reconsidering-the-asphalt-identikit-a-qualitative-analysis-of-driving-identities-in-british-older-adults-in-west-london
#14
Nicola Ann Plastow
BACKGROUND/AIM: The "asphalt identikit" theory suggests that driving cessation inevitably leads to feelings of incompetence and dependency. This article challenges this proposition by investigating the driving-related possible selves of British older adults living in West London. METHODS: Thematic analysis of data from 19 of 39 interviews in which older adults participating in a larger study talked about driving in the context of their grocery shopping. RESULTS: Three themes were evident: "I can drive - that makes a huge difference," "Expecting to lose my license," and "I gave up my license...
November 23, 2016: International Journal of Aging & Human Development
https://www.readbyqxmd.com/read/27878890/a-qualitative-exploration-of-anesthesia-trainees-experiences-during-transition-to-a-children-s-hospital
#15
Peter W Howe, Koshila Kumar
BACKGROUND: The stresses of starting a new job can make anyone feel tired and inefficient. In health care, this may impair the ability to learn at a time when there is most to learn, and increase the risk of error in a context where errors may lead to patient harm. AIM: The aim of this study was to understand issues which influence anesthesia trainees' transition to a pediatric setting. METHODS: This qualitative study utilized in-depth semi-structured interviews to gather data from 31 anesthesia trainees who had commenced work at a tertiary children's hospital between 4 and 6 weeks previously...
November 22, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27870307/abrogation-of-gap-junctional-communication-in-es-cells-results-in-a-disruption-of-primitive-endoderm-formation-in-embryoid-bodies
#16
Philipp Wörsdörfer, Felicitas Bosen, Martina Gebhardt, Nicole Russ, Katrin Zimmermann, David Komla Kessie, Thileepan Sekaran, Angela Egert, Süleyman Ergün, Hubert Schorle, Alexander Pfeifer, Frank Edenhofer, Klaus Willecke
Gap junctional intercellular communication (GJIC) has been suggested to be involved in early embryonic development but the actual functional role remained elusive. Connexin (Cx) 43 and Cx45 are co-expressed in embryonic stem (ES) cells, form gap junctions and are considered to exhibit adhesive function and/or to contribute to the establishment of defined communication compartments. Here we describe the generation of Cx43/Cx45-double deficient mouse ES cells to achieve almost complete breakdown of GJIC. Cre-loxP induced deletion of both, Cx43 and Cx45, results in a block of differentiation in embryoid bodies without affecting pluripotency marker expression and proliferation in ES cells...
November 21, 2016: Stem Cells
https://www.readbyqxmd.com/read/27865723/mechanisms-of-effort-intolerance-in-patients-with-rheumatic-mitral-stenosis-combined-echocardiography-and-cardiopulmonary-stress%C3%A2-protocol
#17
Michal Laufer-Perl, Yaniv Gura, Jason Shimiaie, Jack Sherez, Gregg S Pressman, Galit Aviram, Simon Maltais, Ricki Megidish, Amir Halkin, Meirav Ingbir, Simon Biner, Gad Keren, Yan Topilsky
OBJECTIVES: This study sought to evaluate mechanisms of effort intolerance in patients with rheumatic mitral stenosis (MS). BACKGROUND: Combined stress echocardiography and cardiopulmonary testing allows assessment of cardiac function, hemodynamics, and oxygen extraction (A-Vo2 difference). METHODS: Using semirecumbent bicycle exercise, 20 patients with rheumatic MS (valve area 1.36 ± 0.4 cm(2)) were compared to 20 control subjects at 4 pre-defined activity stages (rest, unloaded, anaerobic threshold, and peak)...
November 10, 2016: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27865017/isolated-thoughts-and-feelings-and-unsolved-concerns-adolescents-and-parents-perspectives-on-living-with-type-1-diabetes-a-qualitative-study-using-visual-storytelling
#18
Pernille Castensøe-Seidenfaden, Grete Teilmann, Finn Kensing, Eva Hommel, Birthe Susanne Olsen, Gitte Reventlov Husted
AIMS AND OBJECTIVES: To explore and describe the experiences of adolescents and their parents living with type 1 diabetes (T1DM), to identify their needs for support to improve adolescents' self-management skills in the transition from child- to adulthood. BACKGROUND: Adolescents with T1DM often experience deteriorating glycemic control and distress. Parents are important in adolescents' ability to self-manage T1DM, but they report anxiety and frustrations. A better understanding of the challenges adolescents and parents face, in relation to the daily self-management of T1DM, is important to improve clinical practice...
November 16, 2016: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/27863241/the-chromatin-remodeler-isw1-is-a-quality-control-factor-that-surveys-nuclear-mrnp-biogenesis
#19
Anna Babour, Qingtang Shen, Julien Dos-Santos, Struan Murray, Alexandre Gay, Drice Challal, Milo Fasken, Benoît Palancade, Anita Corbett, Domenico Libri, Jane Mellor, Catherine Dargemont
Chromatin dynamics play an essential role in regulating DNA transaction processes, but it is unclear whether transcription-associated chromatin modifications control the mRNA ribonucleoparticles (mRNPs) pipeline from synthesis to nuclear exit. Here, we identify the yeast ISW1 chromatin remodeling complex as an unanticipated mRNP nuclear export surveillance factor that retains export-incompetent transcripts near their transcription site. This tethering activity of ISW1 requires chromatin binding and is independent of nucleosome sliding activity or changes in RNA polymerase II processivity...
November 17, 2016: Cell
https://www.readbyqxmd.com/read/27854114/echocardiographic-changes-and-growth-retardation-in-a-group-of-egyptian-children-with-rheumatic-heart-disease
#20
Nayera E Hassan, Hala S Hamza, Wael A Attia, Moenes M Abu Shady, Omar H Dwidar
BACKGROUND: Advances in echocardiographic studies have identified a massive burden of rheumatic heart disease (RHD) which continues to be a major health hazard in most developing countries. The aim of the paper was to investigate the correlation between cardiac affection as regards the presence of single or multiple valvular lesions, and their severity and the growth parameters in a group of Egyptian children with rheumatic heart disease. METHODS: This study is a cross-sectional study, that was conducted on 200 children with rheumatic heart disease and 400 age-matched healthy...
November 17, 2016: Minerva Pediatrica
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