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https://www.readbyqxmd.com/read/29877717/surgical-antegrade-transcatheter-valve-implantation-and-heavily-calcified-heart
#1
Elise Lupon, Anais Lemaire, Christophe Cron, Bertrand Marcheix
It is well known that a heavily calcified mitral valve significantly increases the perioperative and postoperative risks of mitral valve surgery. A 71-year-old woman was referred to our department with severe mitral valve disease. Cardiac imaging revealed extremely severe calcification of the entire left heart. Surgery was performed through a median sternotomy with standard cardiopulmonary bypass. After dilating the mitral orifice with a balloon, we replaced the valve with a transcatheter Edwards Sapiens 3 aortic valve under direct vision...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29764966/risk-factors-for-intraarticular-heterotopic-bone-formation-in-the-temporomandibular-joint-in-juvenile-idiopathic-arthritis
#2
Matthew L Stoll, Dina Amin, Kathlyn K Powell, Catherine H Poholek, Rachel H Strait, Inmaculada Aban, Timothy Beukelman, Daniel W Young, Randy Q Cron, Peter D Waite
OBJECTIVE: Intraarticular corticosteroid (IAC) injections are often used to treat temporomandibular joint (TMJ) arthritis associated with juvenile idiopathic arthritis (JIA). One potential complication of IA therapy is heterotopic bone formation (HBF). The purpose of our study was to evaluate risk factors for HBF development in children with JIA who received IA therapy for TMJ arthritis. METHODS: This was a retrospective study of children with JIA who had received ≥ 1 IAC injection into the TMJ...
May 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29695255/temporomandibular-joint-arthritis-in-juvenile-idiopathic-arthritis-now-what
#3
REVIEW
Matthew L Stoll, Chung H Kau, Peter D Waite, Randy Q Cron
BACKGROUND: Arthritis involving the temporomandibular joint (TMJ) complicates 40 - 96% of cases of juvenile idiopathic arthritis (JIA), potentially leading to devastating changes to form and function. Optimal evaluation and management of this joint remains a matter of ongoing discussion. METHODS: We performed a PubMed search for all articles with keywords "temporomandibular" and "arthritis", covering the dates 2002 through February 28, 2018. A separate PubMed search was performed for all articles with keywords "temporomandibular joint", "arthritis", and "treatment" covering the same dates...
April 25, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29604189/risk-timing-and-predictors-of-disease-flare-after-discontinuation-of-anti-tumor-necrosis-factor-therapy-in-children-with-polyarticular-forms-of-juvenile-idiopathic-arthritis-with-clinically-inactive-disease
#4
Daniel J Lovell, Anne L Johnson, Bin Huang, Beth S Gottlieb, Paula W Morris, Yukiko Kimura, Karen Onel, Suzanne C Li, Alexei A Grom, Janalee Taylor, Hermine I Brunner, Jennifer L Huggins, James J Nocton, Kathleen A Haines, Barbara S Edelheit, Michael Shishov, Lawrence K Jung, Calvin B Williams, Melissa S Tesher, Denise M Costanzo, Lawrence S Zemel, Jason A Dare, Murray H Passo, Kaleo C Ede, Judyann C Olson, Elaine A Cassidy, Thomas A Griffin, Linda Wagner-Weiner, Jennifer E Weiss, Larry B Vogler, Kelly A Rouster-Stevens, Timothy Beukelman, Randy Q Cron, Daniel Kietz, Kenneth Schikler, Kara M Schmidt, Jay Mehta, Dawn M Wahezi, Tracy V Ting, James W Verbsky, B Anne Eberhard, Steven Spalding, Chen Chen, Edward H Giannini
OBJECTIVE: To determine the frequency, time to flare, and predictors of disease flare upon withdrawal of anti-tumor necrosis factor (anti-TNF) therapy in children with polyarticular forms of juvenile idiopathic arthritis (JIA) who demonstrated ≥6 months of continuous clinically inactive disease. METHODS: In 16 centers 137 patients with clinically inactive JIA who were receiving anti-TNF therapy (42% of whom were also receiving methotrexate [MTX]) were prospectively followed up...
March 31, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29523211/pediatric-rheumatology-infusion-center-report-on-therapeutic-protocols-and-infusions-given-over-4-years-with-focus-on-adverse-events-over-1-year
#5
Surabhi S Vinod, Annelle B Reed, Jamelle Maxwell, Randy Q Cron, Matthew L Stoll
BACKGROUND: Children with chronic rheumatic disease often require intravenous (IV) therapy. Our center has instituted standardized protocols for use of IV medications in rheumatology patients. Herein, we introduce the therapeutic protocols and report on their short-term safety. METHODS: This was an institutional review board (IRB) approved retrospective chart review of all patients who had received IV infusions between the years 2012 and 2015 at a single center, prescribed by a pediatric rheumatologist...
March 9, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29382366/age-and-fecal-microbial-strain-specific-differences-in-patients-with-spondyloarthritis
#6
Matthew L Stoll, Pamela F Weiss, Jennifer E Weiss, Peter A Nigrovic, Barbara S Edelheit, S Lou Bridges, Maria I Danila, Charles H Spencer, Marilynn G Punaro, Kenneth Schikler, Andreas Reiff, Ranjit Kumar, Randy Q Cron, Casey D Morrow, Elliot J Lefkowitz
BACKGROUND: Prior studies have demonstrated abnormalities in the composition of the gastrointestinal microbiota in pediatric and adult patients with spondyloarthritis (SpA). In particular, diminished fecal abundance of Faecalibacterium prausnitzii and abnormalities in both directions in the abundance of the Bacteroides genus have been identified. METHODS: We obtained fecal specimens from 30 children with treatment-naïve enthesitis-related arthritis (ERA) and 19 healthy controls, as well as specimens from 11 adult patients with longstanding SpA and 10 adult healthy controls...
January 30, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29368603/defining-the-normal-appearance-of-the-temporomandibular-joints-by-magnetic-resonance-imaging-with-contrast-a-comparative-study-of-children-with-and-without-juvenile-idiopathic-arthritis
#7
COMPARATIVE STUDY
Matthew L Stoll, Saurabh Guleria, Melissa L Mannion, Daniel W Young, Stuart A Royal, Randy Q Cron, Yoginder N Vaid
BACKGROUND: Up to 80% of children with juvenile idiopathic arthritis (JIA) develop arthritis involving their temporomandibular joint (TMJ). Recent studies have questioned the sensitivity of an abnormal MRI in the diagnosis of active arthritis. METHODS: 122 children without arthritis undergoing contrast MRI of the head were prospectively consented to undergo a simultaneous contrast MRI of their TMJs. As a comparison point, the initial MRI of the TMJ of 35 newly diagnosed children with JIA were retrospectively scored...
January 24, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29125185/thymus-involvement-in-early-onset-myasthenia-gravis
#8
REVIEW
Mélanie A Cron, Solène Maillard, José Villegas, Frédérique Truffault, Muriel Sudres, Nadine Dragin, Sonia Berrih-Aknin, Rozen Le Panse
It has long been established that the thymus plays a central role in autoimmune myasthenia gravis (MG) because of either thymoma or thymic hyperplasia of lymphoproliferative origin. In this review, we discuss thymic changes associated with thymic hyperplasia and their implications in the development of an autoimmune response against the acetylcholine receptor (AChR).The hyperplastic MG thymus displays all the characteristics of tertiary lymphoid organs (TLOs): neoangiogenic processes with high endothelial venule and lymphatic vessel development, chemokine overexpression favoring peripheral cell recruitment, and ectopic germinal center development...
January 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29121953/risk-of-tuberculosis-among-alabama-children-and-adolescents-treated-with-tumor-necrosis-factor-inhibitors-a-retrospective-study
#9
Matthew L Stoll, James Aaron Grubbs, Timothy Beukelman, Melissa L Mannion, Traci W Jester, Randy Q Cron, Marilyn J Crain
BACKGROUND: Tumor Necrosis Factor inhibitors (TNFi) have dramatically improved the outlook for patients with inflammatory arthritides and bowel disease (IBD), but are associated with increased infection risks, including tuberculosis (TB). Pediatric inflammatory diseases are uncommon, and the risk of TB in children taking TNFi remains unclear. The objective of this study was to report the incidence of TB disease among TNFi recipients at a single pediatric medical center serving most of Alabama compared to that of the general population of Alabama children...
November 9, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28993226/vulvar-lesions-in-an-8-year-old-girl-cutaneous-manifestations-of-multisystem-langerhans-cell-histiocytosis
#10
Elisa M Jorgensen, Peter P Chen, Sarah Rutter, Julia A Cron
BACKGROUND: Langerhans cell histiocytosis (LCH) is a rare localized or systemic disease characterized by proliferation of myeloid-derived dendritic cells. Vulvar lesions might be the herald symptom of LCH and might mimic other cutaneous lesions. Prognosis varies widely on the basis of the extent and spread of disease. CASE: An 8-year-old girl with a 4-month history of vulvar lesions resistant to topical steroids was referred by her pediatrician. Vulvar biopsy was diagnostic for LCH...
April 2018: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28970832/use-of-toll-like-receptor-agonists-to-induce-ectopic-lymphoid-structures-in-myasthenia-gravis-mouse-models
#11
Marieke Robinet, Bérengère Villeret, Solène Maillard, Mélanie A Cron, Sonia Berrih-Aknin, Rozen Le Panse
Myasthenia gravis (MG) is an autoimmune disease mediated by autoantibodies against the acetylcholine receptor (AChR) at the neuromuscular junction. MG symptoms are characterized by muscle weaknesses. The thymus of MG patients is very often abnormal and possesses all the characteristics of tertiary lymphoid organs such as neoangiogenesis processes, overexpression of inflammatory cytokines and chemokines, and infiltration of B lymphocytes leading to ectopic germinal center (GC) development. We previously demonstrated that injections of mice with polyinosinic-polycytidylic acid [Poly(I:C)], a synthetic double-stranded RNA mimicking viral infection, induce thymic changes and trigger MG symptoms...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28758236/morphometric-age-and-survival-following-kidney-transplantation
#12
Michael N Terjimanian, Patrick W Underwood, David C Cron, Joshua J Augustine, Kelly A Noon, Devan R Cote, Stewart C Wang, Michael J Englesbe, Kenneth J Woodside
BACKGROUND: As patients with chronic kidney disease become older, there is greater need to identify who will most benefit from kidney transplantation. Analytic morphomics has emerged as an objective risk assessment tool distinct from chronologic age. We hypothesize that morphometric age is a significant predictor of survival following transplantation. METHODS: A retrospective cohort of 158 kidney transplant patients from 2005 to 2014 with 1-year preoperative imaging was identified...
October 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28477284/holocranohistochemistry-enables-the-visualization-of-%C3%AE-synuclein-expression-in-the-murine-olfactory-system-and-discovery-of-its-systemic-anti-microbial-effects
#13
Julianna J Tomlinson, Bojan Shutinoski, Li Dong, Fanyi Meng, Dina Elleithy, Nathalie A Lengacher, Angela P Nguyen, Greg O Cron, Qiubo Jiang, Erik D Roberson, Robert L Nussbaum, Nour K Majbour, Omar M El-Agnaf, Steffany A Bennett, Diane C Lagace, John M Woulfe, Subash Sad, Earl G Brown, Michael G Schlossmacher
Braak and Del Tredici have proposed that typical Parkinson disease (PD) has its origins in the olfactory bulb and gastrointestinal tract. However, the role of the olfactory system has insufficiently been explored in the pathogeneses of PD and Alzheimer disease (AD) in laboratory models. Here, we demonstrate applications of a new method to process mouse heads for microscopy by sectioning, mounting, and staining whole skulls ('holocranohistochemistry'). This technique permits the visualization of the olfactory system from the nasal cavity to mitral cells and dopamine-producing interneurons of glomeruli in the olfactory bulb...
June 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28157548/cd4-regulatory-t-cells-augment-hiv-1-expression-of-polarized-m1-and-m2-monocyte-derived-macrophages
#14
Tanya O Robinson, Mingce Zhang, Christina Ochsenbauer, Lesley E Smythies, Randall Q Cron
Previous in vitro studies have shown that the HIV-1 virus can alter the cytokine/chemokine profile of polarized macrophages which may lead to their increased susceptibility to viral infection. Here, we found that M2 monocyte derived macrophages (MDM) were significantly more permissive to productive infection by R5-tropic HIV-1 strains, including transmitted founder (T/F) viruses, than M1 MDM. Previous in vitro studies by our lab showed that regulatory T cells (Tregs) suppress HIV-1 infection in non-Treg CD4 T cells...
April 2017: Virology
https://www.readbyqxmd.com/read/28108069/predictors-of-operative-failure-in-parathyroidectomy-for-primary-hyperparathyroidism
#15
David C Cron, Steven R Kapeles, Elizabeth A Andraska, Sebastian T Kwon, Peter S Kirk, Brendan L McNeish, Christopher S Lee, David T Hughes
INTRODUCTION: Many adjuncts guide surgical decision making in parathyroidectomy, yet their independent associations with outcome are poorly characterized. We examined a broad range of perioperative factors and used multivariate techniques to identify independent predictors of operative failure (persistent disease) after parathyroidectomy. METHODS: This was a retrospective review of 2239 patients with primary hyperparathyroidism who underwent parathyroidectomy at a single-center from 1999 to 2014...
September 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/27286235/the-microbiota-in-pediatric-rheumatic-disease-epiphenomenon-or-therapeutic-target
#16
REVIEW
Matthew L Stoll, Randy Q Cron
PURPOSE OF REVIEW: There has been increasing interest in the contents and function of the microbiota, as it relates to pediatric inflammatory diseases. Here, we discuss the factors underlying the development of the microbiota, its role in juvenile idiopathic arthritis (JIA) and prospects for therapeutic interventions in the microbiota. RECENT FINDINGS: The human microbiota undergoes a succession of changes, until it reaches a mature form. A variety of early-life exposures, including mode of delivery and form of feeding, can affect the contents of the microbiota and possibly impact upon long-term risk of developing autoimmune diseases...
September 2016: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/27207173/review-on-toll-like-receptor-activation-in-myasthenia-gravis-application-to-the-development-of-new-experimental-models
#17
REVIEW
Marieke Robinet, Solène Maillard, Mélanie A Cron, Sonia Berrih-Aknin, Rozen Le Panse
Abnormal toll-like receptor (TLR) activation and uncontrolled resolution of inflammation are suspected to play a key role in the development of autoimmune diseases. Acquired myasthenia gravis (MG) is an invalidating neuromuscular disease leading to muscle weaknesses. MG is mainly mediated by anti-acetylcholine receptor (AChR) autoantibodies, and thymic hyperplasia characterized by ectopic germinal centers is a common feature in MG. An abnormal expression of certain TLRs is observed in the thymus of MG patients associated with the overexpression of interferon (IFN)-β, the orchestrator of thymic changes in MG...
February 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/26865703/2016-classification-criteria-for-macrophage-activation-syndrome-complicating-systemic-juvenile-idiopathic-arthritis-a-european-league-against-rheumatism-american-college-of-rheumatology-paediatric-rheumatology-international-trials-organisation-collaborative
#18
Angelo Ravelli, Francesca Minoia, Sergio Davì, AnnaCarin Horne, Francesca Bovis, Angela Pistorio, Maurizio Aricò, Tadej Avcin, Edward M Behrens, Fabrizio De Benedetti, Lisa Filipovic, Alexei A Grom, Jan-Inge Henter, Norman T Ilowite, Michael B Jordan, Raju Khubchandani, Toshiyuki Kitoh, Kai Lehmberg, Daniel J Lovell, Paivi Miettunen, Kim E Nichols, Seza Ozen, Jana Pachlopnik Schmid, Athimalaipet V Ramanan, Ricardo Russo, Rayfel Schneider, Gary Sterba, Yosef Uziel, Carol Wallace, Carine Wouters, Nico Wulffraat, Erkan Demirkaya, Hermine I Brunner, Alberto Martini, Nicolino Ruperto, Randy Q Cron
To develop criteria for the classification of macrophage activation syndrome (MAS) in patients with systemic juvenile idiopathic arthritis (JIA). A multistep process, based on a combination of expert consensus and analysis of real patient data, was conducted. A panel of 28 experts was first asked to classify 428 patient profiles as having or not having MAS, based on clinical and laboratory features at the time of disease onset. The 428 profiles comprised 161 patients with systemic JIA-associated MAS and 267 patients with a condition that could potentially be confused with MAS (active systemic JIA without evidence of MAS, or systemic infection)...
March 2016: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/26792338/the-role-of-gp130-receptor-cytokines-in-the-regulation-of-metabolic-homeostasis
#19
REVIEW
Lena Cron, Tamara Allen, Mark A Febbraio
It is well known that obesity is responsible, at least in part, for the increased incidence of chronic diseases such as type 2 diabetes, cardiovascular disease and certain types of cancer. Despite public education programs emphasizing lifestyle modifications to arrest this global pandemic, it is now estimated that 10-15% of the world's population are overweight or obese. As a result, new therapeutic options for the treatment of obesity-related disorders are clearly warranted. Much of the benefit of physical activity has been attributed to several mechanisms including reduced adiposity, increased cardiorespiratory fitness, reduced circulating lipids and the maintenance of muscle mass...
January 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/26613640/depression-and-frailty-in-patients-with-end-stage-liver-disease-referred-for-transplant-evaluation
#20
D C Cron, J F Friedman, G S Winder, A E Thelen, J E Derck, J W Fakhoury, A D Gerebics, M J Englesbe, C J Sonnenday
End-stage liver disease (ESLD) patients are believed to have a high prevalence of depression, although mental health in ESLD has not been studied comprehensively. Further, the relationship between depression and severity of liver disease is unclear. Using baseline data from a large prospective cohort study (N = 500) of frailty in ESLD patients, we studied the association of frailty with depression. Frailty was assessed with the five-component Fried Frailty Index. Patients were assigned a composite score of 0 to 5, with scores ≥3 considered frail...
June 2016: American Journal of Transplantation
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