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https://www.readbyqxmd.com/read/28623470/reconstruction-of-aaos-type-iii-and-iv-acetabular-defects-with-the-ganz-reinforcement-ring-high-failure-in-pelvic-discontinuity
#1
Cynthia Hourscht, Mohammad K Abdelnasser, Sufian S Ahmad, Lukas Kraler, Marius J Keel, Klaus A Siebenrock, Frank M Klenke
BACKGROUND: Large acetabular defects and pelvic discontinuity represent complex problems in revision total hip arthroplasty. This study aimed to investigate whether reconstruction with the Ganz reinforcement ring would provide durable function in large acetabular defects. PATIENTS AND METHODS: 46 hips (45 patients, 19 male, 26 female, mean age 68 years) with AAOS type III and IV defects undergoing acetabular revision with the Ganz reinforcement ring were evaluated at a mean follow-up of 74 months (24-161 months)...
June 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28615456/iron-homeostasis-an-anthropocentric-perspective
#2
Richard Coffey, Tomas Ganz
The regulation of iron metabolism in biological systems centers on providing adequate iron for cellular function while limiting iron toxicity. Because mammals cannot excrete iron, mechanisms have evolved to control iron acquisition, storage, and distribution at both systemic and cellular levels. Hepcidin, the master regulator of iron homeostasis, controls iron flows into plasma through inhibition of the sole known mammalian cellular iron exporter ferroportin. Hepcidin is feedback-regulated by iron status, and strongly modulated by inflammation and erythropoietic demand...
June 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28600088/invasive-hemodynamics-of-pulmonary-disease-and-the-right-ventricle
#3
REVIEW
David Silber, Justine Lachmann
Pulmonary hypertension (PH) falls into 5 groups, as defined by the World Health Organization. Swan-Ganz catheters determine precapillary versus postcapillary PH. The hemodynamic values of PH at rest and with vasodilatory challenge categorize the etiology of PH and guide treatment. RV maladaptations to increased pulmonary vascular resistance (PVR) and the chronicity of the right ventricle's (RV) response to increased PH and/or increased PVR can be understood with pressure-volume (PV) loops constructed with use of conductance catheters...
July 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/28594579/-from-snail-mode-to-rocket-ship-mode-adolescents-and-young-adults-experiences-of-returning-to-work-and-school-after-hematopoietic-cell-transplantation
#4
Eden R Brauer, Huibrie C Pieters, Patricia A Ganz, Wendy Landier, Carol Pavlish, MarySue V Heilemann
PURPOSE: Resuming normal activities, such as work and school, is an important dimension of psychosocial recovery in cancer survivorship. Minimal data exist regarding adolescents or young adults' experiences of returning to school or work after cancer. The purpose of this study was to explore the processes of resuming work and school among adolescents and young adults after hematopoietic cell transplantation (HCT). METHODS: In-depth interviews were conducted with 18 adolescents and young adults, who were 15-29 years when they underwent HCT and 6-60 months post-transplant at study enrollment...
June 8, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28592084/-modified-capsular-arthroplasty-for-young-patients-with-developmental-dislocation-of-the-hip
#5
Z D Zhang, D Z Luo, H Zhang
Developmental dislocation of the hip(DDH) is one of the most serious hip diseases. Patients with unilateral DDH are prone to secondary osteoarthritis, low back pain, gait disturbance and compensatory scoliosis because of the leg length discrepancy. Total hip arthroplasty(THA) is the highly effective treatment for patients with hip pain or dysfunction caused by unilateral DDH, thus decrease the demand for hip-preserving surgeries such as capsular arthroplasty which may postpone or avoid hip replacement. However, the failure rate of THA for young patients is high and the majority of young patients may require one or more revision arthroplasties throughout their lifetime...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28570439/cortisol-awakening-response-as-a-prospective-risk-factor-for-depressive-symptoms-in-women-after-treatment-for-breast-cancer
#6
Kate Ryan Kuhlman, Michael R Irwin, Patricia A Ganz, Catherine M Crespi, Laura Petersen, Arash Asher, Julienne E Bower
OBJECTIVE: To investigate hypothalamic-pituitary-adrenal axis (HPA-axis) functioning as a neurobiological risk factor for depressive symptoms in an ongoing longitudinal, observational study of women undergoing treatment and recovery from breast cancer. Many women with breast cancer experience depressive symptoms that interfere with their treatment, recovery, and quality of life. Psychosocial risk factors for depression among cancer patients and survivors have been identified, yet neurobiological risk factors in this population remain largely unexamined...
May 31, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28567213/rotational-acetabular-osteotomy
#7
REVIEW
Yuji Yasunaga, Jiro Fujii, Ryuji Tanaka, Shinji Yasuhara, Takuma Yamasaki, Nobuo Adachi, Mitsuo Ochi
Hip dysplasia is the most common cause of secondary osteoarthritis (OA). To prevent the early onset of secondary OA, Nishio's transposition osteotomy, Steel's triple osteotomy, Eppright's dial osteotomy, Wagner's spherical acetabular osteotomy, Tagawa's rotational acetabular osteotomy (RAO), and Ganz' periacetabular osteotomy (PAO) have been proposed. PAO and RAO are now commonly used in surgical treatment of symptomatic acetabular dysplasia in Europe, North America, and Asia. The aim of this paper is to present the followings: the patient selection criteria for RAO; the surgical technique of RAO; the long-term outcome of RAO; and the future perspectives...
June 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28561717/addressing-the-survivorship-care-needs-of-patients-receiving-extended-cancer-treatment
#8
Paul B Jacobsen, Ryan D Nipp, Patricia A Ganz
Cancer survivorship care and research has typically focused on the health care needs of people with cancer following the acute phase of treatment. Work in this area, however, has faced challenges in identifying when treatment is complete for many forms of cancer. Acknowledging this challenge, the scope of survivorship research is often expanded to include patients also receiving maintenance or prophylactic therapy. Inherent in this expanded definition is the recognition that for many individuals, cancer is a chronic disease requiring extended treatment over many years...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28551588/feasibility-of-biochemical-verification-in-a-web-based-smoking-cessation-study
#9
Sarah Cha, Ollie Ganz, Amy M Cohn, Sarah J Ehlke, Amanda L Graham
BACKGROUND AND AIMS: Cogent arguments have been made against the need for biochemical verification in population-based studies with low-demand characteristics. Despite this fact, studies involving digital interventions (low-demand) are often required in peer review to report biochemically verified abstinence. To address this discrepancy, we examined the feasibility and costs of biochemical verification in a web-based study conducted with a national sample. METHODS: Participants were 600U...
May 22, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28546059/inflammation-and-attentional-bias-in-breast-cancer-survivors
#10
Chloe C Boyle, Patricia A Ganz, Kathleen M Van Dyk, Julienne E Bower
Evidence suggests an association between inflammation and depression, although findings are mixed. Focusing on core processes in depression may clarify associated biological underpinnings. Negative cognitive bias is a key component of depression, but has not been examined in relation to inflammation. Thus, we tested the hypothesis that elevated inflammatory markers would be associated with negative attentional bias in a sample of 91 breast cancer survivors. Participants were drawn from a larger study and provided blood samples for assessment of peripheral markers of inflammation and completed questionnaires and neuropsychological testing...
May 22, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28545989/does-pathological-iron-overload-impair-the-function-of-human-lungs
#11
Tomas Ganz
No abstract text is available yet for this article.
May 17, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28529662/femoral-and-acetabular-re-alignment-in-slipped-capital-femoral-epiphysis
#12
M Leunig, H M Manner, L Turchetto, R Ganz
NEW PATHOPHYSIOLOGICAL INSIGHTS: Based on improved knowledge of the vascular supply of the proximal femur, a safe surgical dislocation of the hip joint was established allowing direct insights to the pathomorphological malfunctioning of the joint. One insight was that slipped capital femoral epiphysis (SCFE) impingement leads to substantial damage of the chondrolabral rim area, even in the presence of minor slips. A further surgical development was the extended retinacular flap allowing for correction of the deformity with calculable risk for iatrogenic necrosis...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28524032/-preoperative-risk-factors-analysis-of-pulmonary-hypertension-crisis-during-perioperative-period-for-caesarean-section-of-woman-with-severe-pulmonary-hypertension
#13
Chunlei Zhang, Yaguang Liu, Enming Qing, Jun Ma
OBJECTIVE: To analyze preoperative risk factors of perioperative pulmonary hypertension crisis (PHC) for pregnant woman with severe pulmonary artery hypertension (PAH), and approach its clinical value. METHODS: A retrospective analysis was conducted. The clinical data from 152 pregnant women with severe PAH underwent cesarean delivery admitted to Beijing Anzhen Hospital from January 1st 2008 to December 31st 2016 was collected. The patients were divided into two groups according to with perioperative PHC or not...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28489508/tai-chi-chih-compared-with-cognitive-behavioral-therapy-for-the-treatment-of-insomnia-in-survivors-of-breast-cancer-a-randomized-partially-blinded-noninferiority-trial
#14
Michael R Irwin, Richard Olmstead, Carmen Carrillo, Nina Sadeghi, Perry Nicassio, Patricia A Ganz, Julienne E Bower
Purpose Cognitive behavioral therapy for insomnia (CBT-I) and Tai Chi Chih (TCC), a movement meditation, improve insomnia symptoms. Here, we evaluated whether TCC is noninferior to CBT-I for the treatment of insomnia in survivors of breast cancer. Patients and Methods This was a randomized, partially blinded, noninferiority trial that involved survivors of breast cancer with insomnia who were recruited from the Los Angeles community from April 2008 to July 2012. After a 2-month phase-in period with repeated baseline assessment, participants were randomly assigned to 3 months of CBT-I or TCC and evaluated at months 2, 3 (post-treatment), 6, and 15 (follow-up)...
May 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28479425/thrombolytic-therapy-of-acute-massive-pulmonary-embolism-using-swan-ganz-pulmonary-artery-catheter
#15
Ilse Espina, Joseph Varon, Peter H Lin
Acute massive pulmonary embolism (PE) is associated with high fatality, and catheter-directed thrombolytic therapy has been shown to be an efficacious treatment for this condition. We herein report a patient who developed acute massive PE but could not undergo the conventional catheter-directed thrombolytic therapy. A Swan-Ganz pulmonary artery catheter was placed at bedside to initiate immediate thrombolytic infusion, which resulted in dramatic clinical improvement. This report underscores a potential role of thrombolytic therapy via a transjugular pulmonary artery catheter in patients with acute massive PE who could not undergo the conventional catheter-based thrombolytic intervention...
May 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28465768/comparing-healthcare-costs-associated-with-oral-and-subcutaneous-methotrexate-or-biologic-therapy-for-rheumatoid-arthritis-in-the-united-states
#16
Joseph Lee, Ryan Pelkey, Julieanna Gubitosa, Michael F Henrick, Michael L Ganz
BACKGROUND: Methotrexate (MTX) is the primary disease-modifying antirheumatic drug used for the treatment of rheumatoid arthritis (RA). Optimizing the use of oral and subcutaneous MTX may delay the use of expensive biologic therapies; the effect of such a delay on overall medical costs is currently unknown. OBJECTIVE: To compare the 5-year healthcare costs of treatment pathways for patients with RA who initiate oral MTX in the United States. METHODS: We identified patients with RA in the Symphony Health Solutions database (Integrated Dataverse) who initiated treatment with oral MTX in 2009 and had RA-related claims for each year through 2014...
February 2017: American Health & Drug Benefits
https://www.readbyqxmd.com/read/28465342/endogenous-hepcidin-and-its-agonist-mediate-resistance-to-selected-infections-by-clearing-non-transferrin-bound-iron
#17
Deborah Stefanova, Antoan Raychev, Joao Arezes, Peter Ruchala, Victoria Gabayan, Mikael Skurnik, Barbara J Dillon, Marcus A Horwitz, Tomas Ganz, Yonca Bulut, Elizabeta Nemeth
The iron-regulatory hormone hepcidin is induced early in infection, causing iron sequestration in macrophages and decreased plasma iron; this is proposed to limit the replication of extracellular microbes, but could also promote infection with macrophage-tropic pathogens. The mechanisms by which hepcidin and hypoferremia modulate host defense, and the spectrum of microbes affected, are poorly understood. Using mouse models, we show that hepcidin was selectively protective against siderophilic extracellular pathogens (Yersinia enterocolitica O9) by controlling non-transferrin-bound iron (NTBI) rather than iron-transferrin concentration...
May 2, 2017: Blood
https://www.readbyqxmd.com/read/28452907/in-a-mouse-model-of-sepsis-hepcidin-ablation-ameliorates-anemia-more-effectively-than-iron-and-erythropoietin-treatment
#18
Eeman Khorramian, Eileen Fung, Kristine Chua, Victoria Gabayan, Tomas Ganz, Elizabeta Nemeth, Airie Kim
Intensive Care Unit (ICU) anemia is an extreme version of anemia of inflammation (AI) that occurs commonly in critically ill patients and is associated with increased morbidity and mortality. Currently available therapies for ICU anemia have shown inconsistent efficacies in clinical trials. We conducted a systematic study of the effects of early versus delayed iron (Fe) and/or erythropoietin (EPO) therapy in our previously characterized mouse model of ICU anemia based on an injection of heat-killed Brucella abortus (BA)...
April 27, 2017: Shock
https://www.readbyqxmd.com/read/28450582/intersection-of-diverse-neuronal-genomes-and-neuropsychiatric-disease-the-brain-somatic-mosaicism-network
#19
REVIEW
Michael J McConnell, John V Moran, Alexej Abyzov, Schahram Akbarian, Taejeong Bae, Isidro Cortes-Ciriano, Jennifer A Erwin, Liana Fasching, Diane A Flasch, Donald Freed, Javier Ganz, Andrew E Jaffe, Kenneth Y Kwan, Minseok Kwon, Michael A Lodato, Ryan E Mills, Apua C M Paquola, Rachel E Rodin, Chaggai Rosenbluh, Nenad Sestan, Maxwell A Sherman, Joo Heon Shin, Saera Song, Richard E Straub, Jeremy Thorpe, Daniel R Weinberger, Alexander E Urban, Bo Zhou, Fred H Gage, Thomas Lehner, Geetha Senthil, Christopher A Walsh, Andrew Chess, Eric Courchesne, Joseph G Gleeson, Jeffrey M Kidd, Peter J Park, Jonathan Pevsner, Flora M Vaccarino
Neuropsychiatric disorders have a complex genetic architecture. Human genetic population-based studies have identified numerous heritable sequence and structural genomic variants associated with susceptibility to neuropsychiatric disease. However, these germline variants do not fully account for disease risk. During brain development, progenitor cells undergo billions of cell divisions to generate the ~80 billion neurons in the brain. The failure to accurately repair DNA damage arising during replication, transcription, and cellular metabolism amid this dramatic cellular expansion can lead to somatic mutations...
April 28, 2017: Science
https://www.readbyqxmd.com/read/28445082/the-impact-of-%C3%AE-amyloid-positron-emission-tomography-on-the-diagnostic-and-treatment-decisions-of-dementia-experts
#20
Michael L Ganz, Alie F Tawah, Shien Guo, Abhishek S Chitnis, Hedwig Silies, Barbara Schäuble, Aleksandar Jovalekic, Norman L Foster
AIM: Amyloid positron emission tomography (aPET) measurement of Alzheimer's disease (AD) pathology could improve the accurate diagnosis of cognitive disorders. Appropriate use criteria recommend that only dementia experts order aPET. MATERIALS & METHODS: We surveyed 145 dementia experts about their current approaches to evaluation and treatment and the likely influence of aPET. RESULTS: Experts expected aPET to alter diagnostic procedures and patient management and also increase diagnostic certainty...
April 26, 2017: Neurodegenerative Disease Management
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