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https://www.readbyqxmd.com/read/29678488/medicolegal-considerations-involving-iatrogenic-lingual-nerve-damage
#1
REVIEW
Roberto Pippi, Andrea Spota, Marcello Santoro
The aim of this review is to improve risk management strategies through analysis of the anatomic, semeiotic, and medicolegal aspects that characterize iatrogenic lingual nerve damage (LND) and its legal consequences in the case of legal proceedings for a claim for compensation. In dental practice, LND can be caused by local or general anesthesia or by mechanical, chemical, or thermal mechanisms. A certain postoperative identification of LND etiopathogenesis is often very challenging because it can be difficult to show at what time the damage occurred and which mechanism actually caused it...
March 27, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29675828/effect-of-prenatal-diagnosis-on-hospital-costs-in-complete-transposition-of-the-great-arteries
#2
Dipankar Gupta, Meredith E Mowitz, Dalia Lopez-Colon, Connie S Nixon, Himesh V Vyas, Jennifer G Co-Vu
OBJECTIVE: Prenatal diagnosis of congenital heart disease (CHD) is associated with improved clinical outcomes, yet its impact on the cost of hospitalization is not well described. We hypothesized that prenatal diagnosis of complete transposition of the great arteries (d-TGA) results in lower total hospital costs compared to postnatal diagnosis. METHODS: Retrospective analysis of infants with d-TGA repaired at our center from July 2006- 2014. Total charges from initial hospitalization until discharge were converted to costs using the cost-to-charge ratio, and then converted into 2016 dollars using the Consumer Price Index...
April 19, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29673366/improving-cytocompatibility-of-cdte-quantum-dots-by-schiff-base-coordinated-lanthanides-surface-doping
#3
Hana Buchtelova, Vladislav Strmiska, Zuzana Skubalova, Simona Dostalova, Petr Michalek, Sona Krizkova, David Hynek, Lukas Kalina, Lukas Richtera, Amitava Moulick, Vojtech Adam, Zbynek Heger
BACKGROUND: Suitable fluorophores are the core of fluorescence imaging. Among the most exciting, yet controversial, labels are quantum dots (QDs) with their unique optical and chemical properties, but also considerable toxicity. This hinders QDs applicability in living systems. Surface chemistry has a profound impact on biological behavior of QDs. This study describes a two-step synthesis of QDs formed by CdTe core doped with Schiff base ligand for lanthanides [Ln (Yb3+ , Tb3+ and Gd3+ )] as novel cytocompatible fluorophores...
April 19, 2018: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/29665177/prosthodontic-complications-of-metal-ceramic-and-all-ceramic-complete-arch-fixed-implant-prostheses-with-minimum-5-years-mean-follow-up-period-a-systematic-review-and-meta-analysis
#4
REVIEW
Chi Kin Kenneth Wong, Unnati Narvekar, Haralampos Petridis
PURPOSE: The purpose of this systematic review and meta-analysis was to review and analyze the prosthodontic complications, survival, and success of metal-ceramic (MC) and all-ceramic (AC) complete-arch fixed implant dental prostheses (CFIDPs) with a minimum mean follow-up period of 5 years. METHODS: A structured literature search was conducted using 3 electronic databases (MEDLINE, the Cochrane Library, Web of Science) for clinical studies reporting on prosthodontic complications of metal-ceramic and/or all-ceramic CFIDPs published between 2000 and 2016...
April 17, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29664869/vestibular-manifestations-in-subjects-with-enlarged-vestibular-aqueduct
#5
Jae-Jin Song, Sung Kwang Hong, Sang Yeon Lee, Sung Joon Park, Seong Il Kang, Yong-Hwi An, Jeong Hun Jang, Ji Soo Kim, Ja-Won Koo
OBJECTIVE: To describe the results of a thorough evaluation in a large series of patients with an enlarged vestibular aqueduct (EVA), focusing on vestibular manifestations with etiological considerations. STUDY DESIGN: Retrospective chart review of patients with EVA. SETTING: Tertiary referral center. PATIENTS: A total of 22 EVA patients with a median age of 8 years (6 mo-35 yr) who underwent both audiovestibular and radiologic examinations...
April 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29663940/ezh2-expression-in-naturally-occurring-canine-tumors
#6
Hyun-Ji Choi, Han-Byul Lee, Hyun-Kyu Park, Sung-Min Cho, Hyo-Jeong Han, Sang-Joon Lee, Ji-Young Lee, Su-Jeong Nam, Eun-Ho Cho, Woo-Chan Son
Enhancer of zeste homolog 2 (EZH2) shows upregulated expression in tumors and is an important driver of tumor development and progression. However, the mechanism underlying the mediation of tumor aggressiveness by EZH2 remains unclear. We here investigated the levels of EZH2 in various normal and tumorous dog tissues and compared these patterns with those of the corresponding human tissues. Immunohistochemical analysis showed positive staining for EZH2 in 76 of 82 cases of canine tumors, whereas low or negligible staining occurred in normal tissues and other canine tumors, including hepatocellular adenoma and lipoma...
April 2, 2018: Comparative Medicine
https://www.readbyqxmd.com/read/29662295/should-hot-biopsy-forceps-be-abandoned-for-polypectomy-of-diminutive-colorectal-polyps
#7
Vasileios Panteris, Antonios Vezakis, J K Triantafillidis
Standardized approach to polypectomy of diminutive colorectal polyps (DCPs) is lacking since cold biopsy forceps have been associated with high levels of recurrence, hot biopsy forceps are considered inadequate and risky and cold snaring is currently under investigation for its efficacy and safety. This has led to confusion and a gap in clinical practice. This article discusses the usefulness and contemporary practical applicability of hot biopsy forceps and provides well-intentioned criticism of the new European guidelines for the treatment of DCPs...
April 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29658266/enzyme-based-electrochemical-biosensor-for-therapeutic-drug-monitoring-of-anticancer-drug-irinotecan
#8
Maria Domenica Alvau, Stefano Tartaggia, Anna Meneghello, Bruno Casetta, Giammario Calia, Pier Andrea Serra, Federico Polo, Giuseppe Toffoli
Therapeutic drug monitoring (TDM) is the clinical practice of measuring pharmaceutical drug concentrations in patients' biofluids at designated intervals, thus allowing a close and timely control of their dosage. To date, TDM in oncology can only be performed by trained personnel in centralized laboratories and core facilities employing conventional analytical techniques (e.g. MS). CPT-11 is an antineoplastic drug that inhibits topoisomerase type I, causing cell death, and is widely used in the treatment of colorectal cancer...
April 16, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29658049/a-simple-microfluidic-platform-for-rapid-and-efficient-production-of-the-radiotracer-18-f-fallypride
#9
Xin Zhang, Fei Liu, Karla-Anne Knapp, Michael L Nickels, H Charles Manning, Leon M Bellan
Herein, we report the development of a simple, high-throughput and efficient microfluidic system for synthesizing radioactive [18F]fallypride, a PET imaging radiotracer widely used in medical research. The microfluidic chip contains all essential modules required for the synthesis and purification of radioactive fallypride. The radiochemical yield of the tracer is sufficient for multiple animal injections for preclinical imaging studies. To produce the on-chip concentration and purification columns, we employ a simple "trapping" mechanism by inserting rows of square pillars with predefined gaps near the outlet of microchannel...
April 16, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29656818/the-aortic-root-does-not-dilate-over-time-after-replacement-of-the-aortic-valve-and-ascending-aorta-in-patients-with-bicuspid-or-tricuspid-aortic-valves
#10
Sonya K Hui, Chun-Po Steve Fan, Shakira Christie, Christopher M Feindel, Tirone E David, Maral Ouzounian
OBJECTIVE: Whether the aortopathy associated with bicuspid aortic valve (BAV) disease occurs secondary to genetic or hemodynamic factors remains controversial. In this article we describe the natural history of the aortic root in patients with bicuspid versus tricuspid aortic valves (TAVs) after replacement of the aortic valve and ascending aorta. METHODS: From 1990 to 2010, 406 patients (269 BAV, 137 TAV) underwent aortic valve and ascending aorta replacement at a single institution...
March 13, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29655460/uncertainty-in-measurement-procedures-for-determining-uncertainty-with-application-to-clinical-laboratory-calculations
#11
Robert B Frenkel, Ian Farrance
In Part II of this review we consider the very common case of multiple inputs to a measurement process. We derive, using only elementary steps and the basic mathematics covered in Part I, the formula for the propagation of uncertainties from the inputs to the output. The Gaussian density distribution is briefly explained, since an understanding of this distribution is needed for the determination of so-called expanded uncertainties at the end of a measurement process. The propagation formula in general involves correlations among the inputs, although in many cases these correlations can be considered negligible...
2018: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/29650782/treatment-of-distal-anterior-cerebral-artery-aneurysms-with-flow-diverter-stents-a-single-center-experience
#12
F Cagnazzo, M Cappucci, C Dargazanli, P-H Lefevre, G Gascou, C Riquelme, A Bonafe, V Costalat
BACKGROUND AND PURPOSE: Flow diversion for aneurysms beyond the circle of Willis is still debated. Our aim was to evaluate the safety and efficacy of flow diversion treatment of distal anterior cerebral artery aneurysms. MATERIALS AND METHODS: Consecutive patients with distal anterior cerebral artery aneurysms treated from January 2014 to October 2017 were evaluated retrospectively with prospectively maintained data. Treatment was performed only for unruptured or recanalized aneurysms after coiling...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29629997/effects-of-hyperglycemia-on-fluorine-18-fluorodeoxyglucose-biodistribution-in-a-large-oncology-clinical-practice
#13
Dillenia Rosica, Su-Chun Cheng, Margo Hudson, Christopher Sakellis, Annick D Van den Abbeele, Chun K Kim, Heather A Jacene
AIM: Suggested cutoff points of blood glucose levels (BGL) before F-FDG PET/CT scanning vary between 120 and 200 mg/dl in current guidelines. This study's purpose was to compare the frequency of abnormal fluorine-18-fluorodeoxyglucose (F-FDG) biodistribution on PET/CT scans of patients with various ranges of abnormal BGL and to determine the effect of BGL greater than 200 mg/dl on F-FDG uptake in various organs. PATIENTS AND METHODS: F-FDG PET/CT scans were retrospectively reviewed for 325 patients with BGL greater than 120 mg/dl at the time of scan and 112 with BGL less than or equal to 120 mg/dl...
May 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29629734/changes-of-sperm-parameters-along-time-among-groups-of-different-qualities
#14
Shimi Barda, Tomer Bar-Noy, Amnon Botchan, Ofer Lehavi, Haim Yavetz, Ron Hauser
BACKGROUND: Male infertility is solely responsible for approximately 20% of all infertility in couples. Various factors have been proposed as having a negative effect on sperm quality; however, the reasons for the global decline in sperm parameters during the last few decades are still controversial. OBJECTIVES: To investigate the fluctuations of semen parameters (sperm concentration, motility, and morphology) in three sperm quality groups and to examine the trends of those parameters in the same men over time...
April 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29627916/necrotizing-fasciitis-case-series-and-review-of-the-literature-on-clinical-and-medico-legal-diagnostic-challenges
#15
Paolo Fais, Alessia Viero, Guido Viel, Renzo Giordano, Dario Raniero, Stefano Kusstatscher, Chiara Giraudo, Giovanni Cecchetto, Massimo Montisci
Necrotizing fasciitis (NF) is a life-threatening infection of soft tissues spreading along the fasciae to the surrounding musculature, subcutaneous fat and overlying skin areas that can rapidly lead to septic shock and death. Due to the pandemic increase of medical malpractice lawsuits, above all in Western countries, the forensic pathologist is frequently asked to investigate post-mortem cases of NF in order to determine the cause of death and to identify any related negligence and/or medical error. Herein, we review the medical literature dealing with cases of NF in a post-mortem setting, present a case series of seven NF fatalities and discuss the main ante-mortem and post-mortem diagnostic challenges of both clinical and forensic interests...
April 7, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/29626286/multidetector-ct-of-expected-findings-and-complications-after-hysterectomy
#16
REVIEW
Massimo Tonolini
Indicated to manage a variety of disorders affecting the female genital tract, hysterectomy represents the second most common gynaecological operation after caesarean section. Performed via an open, laparoscopic or vaginal approach, hysterectomy is associated with non-negligible morbidity and occasional mortality. Iatrogenic complications represent a growing concern for gynaecologists and may result in prolonged hospitalisation, need for interventional procedures or repeated surgery, renal impairment and malpractice claims...
April 6, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29624558/a-phase-1-pharmacokinetic-and-safety-study-of-extended-duration-high-dose-cefixime-for-cephalosporin-resistant-neisseria-gonorrhoeae-in-the-pharynx
#17
Lindley A Barbee, Seema U Nayak, Jeffrey L Blumer, Mary Ann O'Riordan, Wesley Gray, Jonathan M Zenilman, Matthew R Golden, J McLeod Griffiss
BACKGROUND: There are no fully oral recommended treatment regimens for gonorrhea. Inadequately treated pharyngeal gonococcal infections are a likely reservoir for transmission and development of antimicrobial resistance. We sought to determine an oral cefixime dosing regimen that would theoretically treat pharyngeal infections by gonococci with MICs 0.5μg/mL. METHODS: We conducted an open label, non-randomized, Phase I pharmacokinetic and safety study of cefixime in 25 healthy male and female volunteers divided into four dosing cohorts (Cohort A, 400 mg; Cohort B, 800 mg; Cohort C, 1200 mg; and Cohort D, 800 mg q8h x 3 doses [total dose 2400mg]) with a target serum concentration of ≥2...
April 5, 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29623850/treatment-of-metastatic-castration-resistant-docetaxel-resistant-prostate-cancer-a-systematic-review-of-literature-with-a-network-meta-analysis-of-randomized-clinical-trials
#18
Davide Tassinari, Chiara Cherubini, Britt Roudnas, Emiliano Tamburini, Fabrizio Drudi, Emanuela Bianchi, Manuela Fantini, Francesco Montanari, Sergio Sartori
INTRODUCTION: To compare the efficacy of abiraterone acetate, enzalutamide, cabazitaxel and Radium-223 in the treatment of castration-resistant, docetaxel-resistant metastatic prostate cancer. METHODS: An indirect comparison of overall survival (OS) and time to PSA progression among abiraterone acetate, enzalutamide, cabazitaxel and Radium-223 was performed with a network meta-analysis. OS in the entire population of patients was the primary end point. OS in ECOG 0-1/2, BPI-SF≤4/>4, pretreated with 1 or 2 courses of chemotherapy, age≤65/>65 patients, patients with only bone metastases or bone and visceral metastases, and time to PSA progression were the secondary end points...
April 4, 2018: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/29622583/a-pharmacogenetic-approach-to-the-treatment-of-patients-with-pparg-mutations
#19
Maura Agostini, Erik Schoenmakers, Junaid Beig, Louise Fairall, Istvan Szatmari, Odelia Rajanayagam, Frederick W Muskett, Claire Adams, A David Marais, Stephen O'Rahilly, Robert K Semple, Laszlo Nagy, Amit R Majithia, John W R Schwabe, Dirk J Blom, Rinki Murphy, Krishna Chatterjee, David B Savage
Loss-of-function mutations in PPARG cause familial partial lipodystrophy type 3 (FPLD3) and severe metabolic disease in many cases. Missense mutations in PPARG are present in ∼1:500 people. Whilst mutations are often binarily classified as 'benign' or 'deleterious', prospective functional classification of all missense PPARG variants suggests that their impact is graded. Furthermore, in testing novel mutations with both prototypic 'endogenous' (e.g. prostaglandin J2 (PGJ2)) and synthetic ligands (thiazolidinediones, tyrosine agonists), we observed that synthetic agonists selectively rescue function of some PPARγ mutants...
April 5, 2018: Diabetes
https://www.readbyqxmd.com/read/29621751/skin-barrier-restoration-and-moisturization-using-horse-oil-loaded-dissolving-microneedle-patches
#20
Chisong Lee, Younghyon Andrew Eom, Huisuk Yang, Mingyu Jang, Sang Uk Jung, Ye Oak Park, Si Eun Lee, Hyungil Jung
BACKGROUND: Horse oil (HO) has skin barrier restoration and skin-moisturizing effects. Although cream formulations have been used widely and safely, their limited penetration through the stratum corneum is a major obstacle to maximizing the cosmetic efficacy of HO. Therefore, we aimed to encapsulate HO in a cosmetic dissolving microneedle (DMN) for efficient transdermal delivery. METHODS: To overcome these limitations of skin permeation, HO-loaded DMN (HO-DMN) patches were developed and evaluated for their efficacy and safety using in vitro and clinical studies...
April 5, 2018: Skin Pharmacology and Physiology
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