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Patient—prosthesis mismatch

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https://www.readbyqxmd.com/read/29333959/a-noninvasive-body-setup-method-for-radiotherapy-by-using-a-multimodal-image-fusion-technique
#1
Jie Zhang, Ying Chen, Yunxia Chen, Chenchen Wang, Jing Cai, Kaiyue Chu, Jianhua Jin, Yun Ge, Xiaolin Huang, Yue Guan, Weifeng Li
PURPOSE: To minimize the mismatch error between patient surface and immobilization system for tumor location by a noninvasive patient setup method. MATERIALS AND METHODS: The method, based on a point set registration, proposes a shift for patient positioning by integrating information of the computed tomography scans and that of optical surface landmarks. An evaluation of the method included 3 areas: (1) a validation on a phantom by estimating 100 known mismatch errors between patient surface and immobilization system...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29333623/evaluation-of-universal-immunohistochemical-screening-of-sebaceous-neoplasms-in-a-service-setting
#2
K Schon, E Rytina, J Drummond, J Simmonds, S Abbs, R Sandford, M Tischkowitz
BACKGROUND: Muir-Torre syndrome (MTS) is a subtype of Lynch syndrome, which encompasses the combination of sebaceous skin tumours or keratoacanthomas and internal malignancy, due to mutations in DNA mismatch repair genes. Sebaceous neoplasms (SNs) may occur before other malignancies, and may lead to the diagnosis, which allows testing of other family members, cancer surveillance, risk-reducing surgery or prevention therapies. AIM: To evaluate the efficacy of universal immunohistochemistry (IHC) screening of SNs in a service setting...
January 14, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29332992/experiment-design-for-early-molecular-events-in-hiv-infection
#3
Aditya Jagarapu, LaMont Cannon, Ryan Zurakowski
The recent introduction of integrase inhibitors to the HIV antiviral repertoire permits us to create in vitro experiments that reliably terminate HIV infection at the point of chromosomal integration. This allows us to isolate the dynamics of a single round of infection, without needing to account for the influence of multiple overlapping rounds of infection. By measuring the various nucleic acid concentrations in a population of infected target cells at multiple time points, we can infer the rates of these molecular events with great accuracy, which allows us to compare the rates between target cells with different functional phenotypes...
May 2017: Proceedings of the ... American Control Conference
https://www.readbyqxmd.com/read/29332500/microstructure-and-mechanical-properties-of-porous-titanium-structures-fabricated-by-electron-beam-melting-for-cranial-implants
#4
Khaja Moiduddin
The traditional methods of metallic bone implants are often dense and suffer from adverse reactions, biomechanical mismatch and lack of adequate space for new bone tissue to grow into the implant. The objective of this study is to evaluate the customized porous cranial implant with mechanical properties closer to that of bone and to improve the aesthetic outcome in cranial surgery with precision fitting for a better quality of life. Two custom cranial implants (bulk and porous) are digitally designed based on the Digital Imaging and Communications in Medicine files and fabricated using additive manufacturing...
January 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29332239/which-parameters-are-relevant-in-sagittal-balance-analysis-of-the-cervical-spine-a-literature-review
#5
REVIEW
Fong Poh Ling, T Chevillotte, A Leglise, W Thompson, C Bouthors, Jean-Charles Le Huec
INTRODUCTION: Cervical spine is part of the spine with the most mobility in the sagittal plane. It is important for surgeons to have reliable, simple and reproducible parameters to analyse the cervical. MATERIAL AND METHOD: This study is a systematic review and a critique of current parameters to help improve the study of cervical spinal balance. We conducted a systematic search of PUBMED/MEDLINE for literature published since January 2014. Only studies written in English and containing abstracts were considered for inclusion...
January 13, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29330396/comparable-survival-using-a-cmv-matched-or-a-mismatched-donor-for-cmv-patients-undergoing-t-replete-haplo-hsct-with-pt-cy-for-acute-leukemia-a-study-of-behalf-of-the-infectious-diseases-and-acute-leukemia-working-parties-of-the-ebmt
#6
Simone Cesaro, Roberto Crocchiolo, Gloria Tridello, Nina Knelange, Maria Teresa Van Lint, Yener Koc, Fabio Ciceri, Zafer Gülbas, Johanna Tischer, Boris Afanasyev, Benedetto Bruno, Luca Castagna, Didier Blaise, Mohamad Mohty, Giuseppe Irrera, J L Diez-Martin, Luca Pierelli, Pietro Pioltelli, Mutlu Arat, Mario Delia, Franca Fagioli, Gerhard Ehninger, Mahmoud Aljurf, Angelo Michele Carella, Hakan Ozdogu, Malgorzata Mikulska, Per Ljungman, Arnon Nagler, Jan Styczynski
The role of donor CMV serostatus in the setting of non T-cell depleted haplo-HSCT with post-transplant cyclophosphamide (PT-Cy) has not been specifically addressed so far. Here we analyzed the impact of the donor CMV serological status on the outcome of 983 CMV seropositive (CMV+), acute leukemia patients receiving a first, non T-cell depleted haplo-HSCT registered in the EBMT database. The 1-year NRM was 21.3% (95% CI: 18.4-24.8) and 18.8% (95% CI: 13.8-25.5) in the CMV D+/R+ and D-/R+ pairs, respectively (p = 0...
January 12, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29329256/personalized-antidepressant-selection-and-pathway-to-novel-treatments-clinical-utility-of-targeting-inflammation
#7
REVIEW
Manish K Jha, Madhukar H Trivedi
Major depressive disorder (MDD) is a chronic condition that affects one in six adults in the US during their lifetime. The current practice of antidepressant medication prescription is a trial-and-error process. Additionally, over a third of patients with MDD fail to respond to two or more antidepressant treatments. There are no valid clinical markers to personalize currently available antidepressant medications, all of which have similar mechanisms targeting monoamine neurotransmission. The goal of this review is to summarize the recent findings of immune dysfunction in patients with MDD, the utility of inflammatory markers to personalize treatment selection, and the potential of targeting inflammation to develop novel antidepressant treatments...
January 12, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29327160/differences-in-histological-features-and-pd-l1-expression-between-sporadic-microsatellite-instability-and-lynch-syndrome-associated-disease-in-japanese-patients-with-colorectal-cancer
#8
Rin Yamada, Tatsuro Yamaguchi, Takeru Iijima, Rika Wakaume, Misato Takao, Koichi Koizumi, Tsunekazu Hishima, Shin-Ichiro Horiguchi
BACKGROUND: The field of immunotherapy has recently focused on cancers with microsatellite instability (MSI). These cancers include both Lynch-syndrome-associated tumors, which are caused by mismatch repair (MMR) germline mutations, and sporadic MSI tumors, which are mainly attributed to MLH1 promoter methylation. The present study aimed to clarify differences in the histological and PD-L1 expression profiles between these two types of MSI cancers in Japanese patients. METHODS: Among 908 cases of colorectal cancer treated via surgical resection from 2008 to 2014, we identified 64 MSI cancers, including 36 sporadic MSI and 28 Lynch-syndrome-associated cancers, using a BRAF V600E mutation analysis and MLH1 methylation analysis...
January 11, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29327110/the-role-of-interleukin-2-all-trans-retinoic-acid-and-natural-killer-cells-surveillance-mechanisms-in-anti-gd2-antibody-therapy-in-neuroblastoma
#9
Rosa Nguyen, Jim Houston, Wing K Chan, David Finkelstein, Michael A Dyer
Although anti-disialoganglioside (GD2) antibodies are successfully used for neuroblastoma therapy, a third of patients with neuroblastoma experience treatment failure or serious toxicity. Various strategies have been employed in the clinic to improve antibody-dependent cell-mediated cytotoxicity (ADCC), such as the addition of interleukin (IL)-2 to enhance natural killer (NK) cell function, adoptive transfer of allogeneic NK cells to exploit immune surveillance, and retinoid-induced differentiation therapy...
January 11, 2018: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29326124/bortezomib-based-immunosuppression-after-reduced-intensity-conditioning-hematopoietic-stem-cell-transplantation-randomized-phase-ii-results
#10
John Koreth, Haesook T Kim, Paulina B Lange, Samuel J Poryanda, Carol G Reynolds, Sharmila Chamling Rai, Philippe Armand, Corey S Cutler, Vincent T Ho, Brett Glotzbecker, Rushdia Yusuf, Sarah Nikiforow, Yi-Bin Chen, Bimalangshu Dey, Malgorzata McMasters, Jerome Ritz, Bruce R Blazar, Robert J Soiffer, Joseph H Antin, Edwin P Alyea
A prior phase I/II trial of bortezomib/tacrolimus/methotrexate prophylaxis after HLA-mismatched reduced intensity conditioning allogeneic hematopoietic stem cell transplantation documented low acute graft versus host disease incidence, with promising overall and progression-free survival. We performed an open-label 3-arm 1:1:1 phase II randomized-controlled-trial comparing grade II-IV acute graft versus host disease between conventional tacrolimus/methotrexate (A) versus bortezomib/tacrolimus/methotrexate (B); and versus bortezomib/sirolimus/tacrolimus (C), in reduced intensity conditioning allogeneic transplantation recipients lacking HLA-matched related donors...
January 11, 2018: Haematologica
https://www.readbyqxmd.com/read/29324738/population-structure-analysis-of-the-neglected-parasite-thelazia-callipaeda-revealed-high-genetic-diversity-in-eastern-asia-isolates
#11
Xi Zhang, Ya Li Shi, Lu Lu Han, Chen Xiong, Shi Qi Yi, Peng Jiang, Zeng Xian Wang, Ji Long Shen, Jing Cui, Zhong Quan Wang
BACKGROUND: Thelazia callipaeda is the causative agent of thelaziasis in canids, felids and humans. However, the population genetic structure regarding this parasite remains unclear. METHODOLOGY/PRINCIPAL FINDINGS: In this study, we first explored the genetic variation of 32 T. callipaeda clinical isolates using the following multi-molecular markers: cox1, cytb, 12S rDNA, ITS1 and 18S rDNA. The isolates were collected from 13 patients from 11 geographical locations in China...
January 11, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29324309/the-promising-future-of-ventricular-restraint-therapy-for-the-management-of-end-stage-heart-failure
#12
REVIEW
Muhammad Naveed, Imran Shair Mohammad, Li Xue, Sara Khan, Wang Gang, Yanfang Cao, Yijie Cheng, Xingxing Cui, Chen DingDing, Yu Feng, Wang Zhijie, Zhou Xiaohui
Complicated pathophysiological syndrome associated with irregular functioning of the heart leading to insufficient blood supply to the organs is linked to congestive heart failure (CHF) which is the leading cause of death in developed countries. Numerous factors can add to heart failure (HF) pathogenesis, including myocardial infarction (MI), genetic factors, coronary artery disease (CAD), ischemia or hypertension. Presently, most of the therapies against CHF cause modest symptom relief but incapable of giving significant recovery for long-term survival outcomes...
January 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29318439/mind-the-gap-mismatches-between-clinicians-and-patients-in-heart-failure-medication-management
#13
Ken Lee Chin, Marina Skiba, Christopher M Reid, Andrew Tonkin, Ingrid Hopper, Justin A Mariani, Danny Liew
PURPOSE: Previous studies on the 'treatment gap' in patients with heart failure (HF) have focused either on prescribing or patients' adherence to prescribed treatment. This study sought to determine whether or not recent initiatives to close the gap have also minimised any mismatches between physicians' expectation of their patients' medications, medications in the patients' possession and their actual medication use. METHODS: A cross-sectional observational survey was conducted from December 2015 to June 2016 in The Alfred Hospital HF clinic in Melbourne, Australia...
January 9, 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29315020/systematic-review-of-islet-cryopreservation
#14
Greg G Kojayan, Michael Alexander, David K Imagawa, Jonathan R T Lakey
Pancreatic islet transplantation is being extensively researched as an alternative treatment for type 1 diabetic patients. This treatment is currently limited by temporal mismatch, between the availability of pancreas and isolated islets from deceased organ donor, and the recipient's need for freshly isolated islets. To solve this issue, cryopreservation of islets may offer the potential to bank islets for transplant on demand. Cryopreservation, however, introduces an overwhelmingly harsh environment to the ever-so-fragile islets...
January 9, 2018: Islets
https://www.readbyqxmd.com/read/29312863/human-leukocyte-antigen-typing-and-crossmatch-a-comprehensive-review
#15
REVIEW
Mohammed Mahdi Althaf, Mohsen El Kossi, Jon Kim Jin, Ajay Sharma, Ahmed Mostafa Halawa
Renal transplantation remains the best option for patients suffering from end stage renal disease (ESRD). Given the worldwide shortage of organs and growing population of patients with ESRD, those waitlisted for a transplant is ever expanding. Contemporary crossmatch methods and human leukocyte antigen (HLA) typing play a pivotal role in improving organ allocation and afford better matches to recipients. Understanding crossmatch as well as HLA typing for renal transplantation and applying it in clinical practice is the key step to achieve a successful outcome...
December 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/29304990/a-mixed-methods-study-of-symptom-perception-in-patients-with-chronic-heart-failure
#16
Barbara Riegel, Victoria Vaughan Dickson, Christopher S Lee, Marguerite Daus, Julia Hill, Elliane Irani, Solim Lee, Joyce W Wald, Stephen T Moelter, Lisa Rathman, Megan Streur, Foster Osei Baah, Linda Ruppert, Daniel R Schwartz, Alfred Bove
BACKGROUND: Early heart failure (HF) symptoms are frequently unrecognized for reasons that are unclear. We explored symptom perception in patients with chronic HF. METHODS: We enrolled 36 HF out-patients into a longitudinal sequential explanatory mixed methods study. We used objectively measured thoracic fluid accumulation and daily reports of signs and symptoms to evaluate accuracy of detected changes in fluid retention. Patterns of symptom interpretation and response were explored in telephone interviews conducted every 2 weeks for 3-months...
January 3, 2018: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/29302048/diagnostic-challenges-in-a-child-with-early-onset-desmoplastic-medulloblastoma-and-homozygous-variants-in-msh2-and-msh6
#17
Julia Taeubner, Katharina Wimmer, Martine Muleris, Olivier Lascols, Chrystelle Colas, Christine Fauth, Triantafyllia Brozou, Joerg Felsberg, Jasmin Riemer, Michael Gombert, Sebastian Ginzel, Jessica I Hoell, Arndt Borkhardt, Michaela Kuhlen
Constitutional mismatch repair deficiency (CMMRD) is an autosomal recessively inherited childhood cancer susceptibility syndrome caused by biallelic germline mutations in one of the mismatch repair (MMR) genes. The spectrum of CMMRD-associated tumours is very broad and many CMMRD patients additionally display signposting non-neoplastic features, most frequently café-au-lait macules and other pigmentation alterations. We report on a 13-month-old girl suspected of having CMMRD due to a desmoplastic medulloblastoma and a striking skin pigmentation that included multiple café-au-lait macules, hypopigmented areas and Mongolian spots...
January 4, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29300898/impact-of-human-leukocyte-antigen-mismatch-on-lung-transplant-outcome
#18
Yoshito Yamada, Tim Langner, Ilhan Inci, Christian Benden, Macé Schuurmans, Walter Weder, Wolfgang Jungraithmayr
OBJECTIVES: Human leucocyte antigen (HLA) mismatch between donor and recipient has a differential impact on the outcome after transplant (Tx) among transplantable solid organs. Although the lung is considered a highly antigenic organ, the impact of HLA matching between the donor and the recipient has been shown to be heterogeneous on lung Tx outcome. To provide further evidence that HLA matching should be considered in the decision process prior to lung Tx, we evaluated the impact of donor/recipient HLA mismatch on the outcome after lung Tx at our institution...
January 2, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29296844/potential-impact-of-complement-regulator-deficiencies-on-hemolytic-reactions-due-to-minor-abo-mismatched-transfusions
#19
Priyanka Pandey, Waseem Q Anani, Jerome L Gottschall, Gregory A Denomme
Minor ABO-mismatched transfusions are a common occurrence, although infrequent transfusion reactions occur. We sought to investigate the regulation of complement C3 activation induced by anti-A. In vitro complement C3 activation was observed with 10 of 30 group O samples and correlated with immunoglobulin M (IgM) anti-A titers. We developed an in vitro paroxysmal nocturnal hemoglobinuria (PNH) model of hemolysis in which group A1 red blood cells (RBCs) were chemically treated with 2-aminoethylisothiouronium (AET) to alter regulators of complement C3 activation...
October 24, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296834/haploidentical-transplant-in-patients-with-myelodysplastic-syndrome
#20
Marie Robin, Raphael Porcher, Fabio Ciceri, Maria Teresa van Lint, Stella Santarone, Gerhard Ehninger, Didier Blaise, Zafer Güllbas, Soledad Gonzáles Muñiz, Mauricette Michallet, Andrea Velardi, Linda Koster, Johan Maertens, Jorge Sierra, Dominik Selleslag, Aleksandar Radujkovic, José L Díez-Martin, Lothar Kanz, Concepcion Herrera Arroyo, Dietger Niederwieser, He Huang, Andrew McDonald, Theo de Witte, Yener Koc, Nicolaus Kröger
The only curative treatment in patients with intermediate or high-risk myelodysplastic syndrome (MDS) is allogeneic hematopoietic stem cell transplantation (HSCT), which usually results in a long-term, disease-free survival rate of between 30% and 50%, depending on the disease risk and the type of donor. In patients without an HLA-matched sibling donor, a family haploidentical donor is an alternative option. The present study reports the European Group for Blood and Marrow Transplantation activity for haploidentical transplantation in MDS patients...
October 10, 2017: Blood Advances
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