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https://www.readbyqxmd.com/read/28216327/combined-whole-body-and-multi-parametric-prostate-mri-as-a-single-step-approach-for-the-simultaneous-assessment-of-local-recurrence-and-metastatic-disease-after-radical-prostatectomy
#1
Nicola L Robertson, Evis Sala, Matthias Benz, Jonathan Landa, Peter Scardino, Howard I Scher, Hedvig Hricak, Hebert A Vargas
PURPOSE: To report our initial experience using "whole body and dedicated prostate (WB+P)" MRI as a single exam for the assessment of local recurrence and metastatic disease in patients with suspected recurrent prostate cancer (PCa) after radical prostatectomy (RP). MATERIALS AND METHODS: IRB-approved retrospective single-center study. 76 consecutive patients with clinically suspected recurrent PCa following RP underwent combined WB+P-MRI in a single session (10/2014-01/2016)...
February 16, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28215572/plastid-phylogenomics-and-adaptive-evolution-of-gaultheria-series-trichophyllae-ericaceae-a-clade-from-sky-islands-of-the-himalaya-hengduan-mountains
#2
Ming-Ying Zhang, Peter W Fritsch, Peng-Fei Ma, Hong Wang, Lu Lu, De-Zhu Li
Gaultheria series Trichophyllae Airy Shaw is an angiosperm clade of high-alpine shrublets endemic to the Himalaya-Hengduan Mountains and characterized by recent species divergence and convergent character evolution that has until recently caused much confusion in species circumscription. Although multiple DNA sequence regions have been employed previously, phylogenetic relationships among species in the group have remained largely unresolved. Here we examined the effectiveness of plastid genome for improving phylogenetic resolution within the G...
February 16, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28209277/revision-arthroplasty-for-the-management-of-stiffness-after-primary-tka
#3
Joaquin Moya-Angeler, Marcel A Bas, H John Cooper, Matthew S Hepinstall, Jose A Rodriguez, Giles R Scuderi
BACKGROUND: The aim of this study was to evaluate the results of revision surgery for the treatment of stiffness after total knee arthroplasty (TKA). METHODS: An IRB-approved retrospective review was performed to identify patients who were revised due to stiffness after a primary TKA. Patients were included when at least one major component had to be revised due to stiffness after primary TKA with a minimum follow-up of 2 years. Patients with history of previous infection and those treated with isolated polyethylene exchange were excluded...
January 19, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28207365/using-social-media-as-a-research-recruitment-tool-ethical-issues-and-recommendations
#4
Luke Gelinas, Robin Pierce, Sabune Winkler, I Glenn Cohen, Holly Fernandez Lynch, Barbara E Bierer
The use of social media as a recruitment tool for research with humans is increasing, and likely to continue to grow. Despite this, to date there has been no specific regulatory guidance and there has been little in the bioethics literature to guide investigators and institutional review boards (IRBs) faced with navigating the ethical issues such use raises. We begin to fill this gap by first defending a nonexceptionalist methodology for assessing social media recruitment; second, examining respect for privacy and investigator transparency as key norms governing social media recruitment; and, finally, analyzing three relatively novel aspects of social media recruitment: (i) the ethical significance of compliance with website "terms of use"; (ii) the ethics of recruiting from the online networks of research participants; and (iii) the ethical implications of online communication from and between participants...
March 2017: American Journal of Bioethics: AJOB
https://www.readbyqxmd.com/read/28197683/aorta-lesion-attenuation-difference-alad-on-contrast-enhanced-ct-a-potential-imaging-biomarker-for-differentiating-malignant-from-benign-oncocytic-neoplasms
#5
Manish Dhyani, Joseph R Grajo, Dayron Rodriguez, Zhikui Chen, Adam Feldman, Rosemary Tambouret, Debra A Gervais, Ronald S Arellano, Peter F Hahn, Anthony E Samir
OBJECTIVE: To evaluate whether the Aorta-Lesion-Attenuation-Difference on contrast-enhanced CT can aid in the differentiation of malignant and benign oncocytic renal neoplasms. MATERIALS AND METHODS: Two independent cohorts-an initial (biopsy) dataset and a validation (surgical) dataset-with oncocytomas and chromophobe renal cell carcinomas (chRCC) were included in this IRB-approved retrospective study. A region of interest was placed on the renal mass and abdominal aorta on the same CT image slice to calculate an Aorta-Lesion-Attenuation-Difference (ALAD)...
February 14, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28196099/a-novel-visual-facial-anxiety-scale-for-assessing-preoperative-anxiety
#6
Xuezhao Cao, Roya Yumul, Ofelia Loani Elvir Lazo, Jeremy Friedman, Omar Durra, Xiao Zhang, Paul F White
BACKGROUND: There is currently no widely accepted instrument for measuring preoperative anxiety. The objective of this study was to develop a simple visual facial anxiety scale (VFAS) for assessing acute preoperative anxiety. METHODS: The initial VFAS was comprised of 11 similarly styled stick-figure reflecting different types of facial expressions (Fig 1). After obtaining IRB approval, a total of 265 participant-healthcare providers (e.g., anesthesiologists, anesthesiology residents, and perioperative nurses) were recruited to participate in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28190553/cervical-spine-imaging-for-young-children-with-inflicted-trauma-expanding-the-injury-pattern
#7
Joanne Baerg, Arul Thirumoorthi, Rosemary Vannix, Asma Taha, Amy Young, Alexander Zouros
AIM: The purpose of this study was to document the incidence and pattern of cervical spine (c-spine) injuries in children below 36months with inflicted trauma. METHODS: An IRB approved, prospective cohort study was performed between July 2011 and January 2016. Inclusion criteria were: age below 36months, loss of consciousness after inflicted trauma, and one initial head computed tomography finding: a subdural, intraventricular, intraparenchymal, subarachnoid hemorrhage, diffuse axonal injury, hypoxic injury, or cerebral edema...
January 30, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28188759/bladder-prolapse-configuration-on-baseline-standing-cystogram-can-predict-anterior-vaginal-wall-suspension-procedure-outcomes
#8
Yuefeng Rose Wu, Alana L Christie, Rebecca S Lavelle, Feras Alhalabi, Gaurav Khatri, Philippe E Zimmern
OBJECTIVE: To evaluate whether bladder prolapse shape on lateral voiding cystourethrogram (VCUG) is an accurate predictor of anterior vaginal wall suspension (AVWS) procedure outcomes. METHODS: Following an institutional review board approval, preoperative lateral standing VCUG views from a prospectively maintained database of women who underwent AVWS for stage ≥2 cystocele were reviewed retrospectively by 3 reviewers. Patients with no retrievable preoperative VCUG imaging were excluded...
February 7, 2017: Urology
https://www.readbyqxmd.com/read/28188676/hemoglobin-based-oxygen-carrier-rescues-double-transplant-patient-from-life-threatening-anemia
#9
M F Gomez, O Aljure, G Ciancio, M Lynn
This is a case of a 46-year-old male, Jehovah's Witness kidney-pancreas transplant recipient found to have early in the postoperative period, splenic vein thrombosis requiring heparin infusion. Two days later, he developed severe symptomatic anemia (Hb < 6 g/dL). Standard medical therapy for bloodless surgical patients with severe anemia was instituted. Nevertheless, the patient's hemoglobin concentration continued to decline to critical levels (2 g/dL). Transfusion of allogeneic blood products was not an option, prompting use of a hemoglobin-based oxygen carrier (HBOC)...
February 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28188038/tunneled-central-venous-catheters-in-children-with-malignant-and-chronic-diseases-a-comparison-of-open-vs-percutaneous-implantation
#10
Lea-Valeska Blum, Ulf Abdel-Rahman, Thomas Klingebiel, Henning Fiegel, Stefan Gfroerer, Udo Rolle
PURPOSE: Tunneled central venous catheters (tCVCs) are routinely used for long-term venous access in children with cancer and chronic diseases. They may be inserted by surgical venous cut-down or percutaneously. The aim of this study was to compare the operative times and intraoperative complications of both techniques. METHODS: This study compared group A (surgical venous cut-down, years 2002-2006) with group B (percutaneous, years 2008-2012). Patient characteristics, operative times, and intraoperative complications were obtained from surgical reports...
January 30, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28185629/the-role-of-adjunctive-procedures-in-reducing-postoperative-tracheobronchial-obstruction-in-single-lung-patients-with-congenital-tracheal-stenosis-undergoing-slide-tracheoplasty
#11
Akiko Yokoi, Yoshihiro Oshima, Eiji Nishijima
PURPOSE: Congenital tracheal stenosis (CTS) and a single right lung treated with slide tracheoplasty (ST) has relatively high rates of mortality and morbidity. We report a single institution's experience with adjunctive procedures at the time of ST to reduce postoperative tracheal obstruction in patients with a single right lung and CTS. METHODS: With IRB approval, 8 patients with a single right lung and CTS who underwent ST in our institution between 2008 and 2016 were reviewed...
January 27, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28185295/irreversible-electroporation-for-the-ablation-of-pancreatic-malignancies-a-patient-specific-methodology
#12
Eduardo L Latouche, Michael B Sano, Melvin F Lorenzo, Rafael V Davalos, Robert C G Martin
BACKGROUND AND OBJECTIVES: Irreversible Electroporation (IRE) is a focal ablation technique highly attractive to surgical oncologists due to its non-thermal nature that allows for eradication of unresectable tumors in a minimally invasive procedure. In this study, our group sought to address the challenge of predicting the ablation volume with IRE for pancreatic procedures. METHODS: In compliance with HIPAA and hospital IRB approval, we established a pre-treatment planning methodology for IRE procedures in pancreas, which optimized treatment protocols for individual cases of locally advanced pancreatic cancer (LAPC)...
February 10, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28181343/apparent-diffusion-coefficient-values-may-help-predict-which-mri-detected-high-risk-breast-lesions-will-upgrade-at-surgical-excision
#13
Safia Cheeney, Habib Rahbar, Brian N Dontchos, Sara H Javid, Mara H Rendi, Savannah C Partridge
PURPOSE: To investigate whether diffusion-weighted imaging (DWI) features could assist in determining which high-risk lesions identified on dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) and diagnosed on core needle biopsy (CNB) will upgrade to malignancy on surgical excision. MATERIALS AND METHODS: This Institutional Review Board (IRB)-approved prospective study included participants with MRI-detected Breast Imaging Reporting and Data System (BI-RADS) 4 or 5 lesions with high-risk pathology on CNB who underwent surgical excision...
February 9, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28181333/respiratory-motion-artifacts-during-arterial-phase-imaging-with-gadoxetic-acid-can-the-injection-protocol-minimize-this-drawback
#14
Stephan H Polanec, Hubert Bickel, Pascal A T Baltzer, Patrick Thurner, Florian Gittler, Jacqueline C Hodge, Mustafa R Bashir, Ahmed Ba-Ssalamah
PURPOSE: To determine which of three gadoxetic acid injection techniques best reduced the contrast-related arterial-phase motion artifacts. MATERIALS AND METHODS: This Institutional Review Board (IRB)-approved, retrospective study included a cohort of 78 consecutive patients who each had serial gadoxetic acid-enhanced 3.0T magnetic resonance imaging (MRI) of the liver (0.025 mmol/kg body weight) performed with at least two of three injection techniques: M1 test bolus, undiluted, power-injected 1 mL/s; M2 test bolus, diluted 50% with saline, power-injected 1 mL/s; M3 fixed delay, undiluted, manually injected...
February 9, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28181098/effect-of-aging-on-the-composition-of-fecal-microbiota-in-donors-for-fmt-and-its-impact-on-clinical-outcomes
#15
Rohit Anand, Yang Song, Shashank Garg, Mohit Girotra, Amitasha Sinha, Anita Sivaraman, Laila Phillips, Sudhir K Dutta
BACKGROUND: Fecal microbiota transplantation (FMT) is emerging as an effective therapy for the treatment of recurrent Clostridium difficile infection (RCDI). Selecting an appropriate donor is vital to the success of FMT. However, the relationship between age of donors and the efficacy of FMT has not been examined to date. The aim of this study was to examine the effect of age of healthy donors on their fecal microbiota and assess the impact of these changes on the clinical efficacy of FMT...
February 8, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28179216/navigating-ethics-in-the-digital-age-introducing-connected-and-open-research-ethics-core-a-tool-for-researchers-and-institutional-review-boards
#16
John Torous, Camille Nebeker
Research studies that leverage emerging technologies, such as passive sensing devices and mobile apps, have demonstrated encouraging potential with respect to favorably influencing the human condition. As a result, the nascent fields of mHealth and digital medicine have gained traction over the past decade as demonstrated in the United States by increased federal funding for research that cuts across a broad spectrum of health conditions. The existence of mHealth and digital medicine also introduced new ethical and regulatory challenges that both institutional review boards (IRBs) and researchers are struggling to navigate...
February 8, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28179200/laparoscopic-management-of-abdomininal-pregnancy
#17
Francesco Cosentino, Cristiano Rossitto, Luigi Carlo Turco, Salvatore Gueli Alletti, Carmine Vascone, Lavinia Di Meglio, Giovanni Scambia, Mario Malzoni
CASE REPORT OBJECTIVE: To show the surgical management in laparoscopy of a particular localization of an extra-uterine pregnancy misunderstood until 12 week of EG complicated by hemoperitoneum and abortion. BACKGROUND: The prevalence of ectopic pregnancy among women who go to an emergency department with first trimester bleeding, pain, or both ranges from 1 to 16 percent [1]. The most common localization of ectopic pregnancy are the Fallopian tubes while abdominal pregnancy represent at least 1 percent of extra-uterine pregnancies...
February 4, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28179198/cesarean-scar-ectopic-pregnancy-laparoscopic-resection-and-total-scar-dehiscence-repair-a-case-report
#18
Sara Mahgoub, Victor Gabriele, Emilie Faller, Bruno Langer, Arnaud Wattiez, Lise Lecointre, Cherif Akladios
STUDY OBJECTIVE: Illustrate laparoscopic technique for resection of cesarean scar ectopic pregnancy, associated with isthmocele repair. DESIGN: Case report SETTING: Tertiary referral centre in Strasbourg, France. The study was approved by the local IRB. BACKGROUND: Cesarean scar pregnancy is a rare form of ectopic pregnancy. The major risk of this type of pregnancy is the early uterine rupture with massive bleeding and maternal life-threatening...
February 4, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28178222/complete-chloroplast-genome-of-medicinal-plant-lonicera-japonica-genome-rearrangement-intron-gain-and-loss-and-implications-for-phylogenetic-studies
#19
Liu He, Jun Qian, Xiwen Li, Zhiying Sun, Xiaolan Xu, Shilin Chen
The complete chloroplast (cp) genome of Lonicera japonica, a common ornamental and medicinal plant in North America and East Asia, was sequenced and analyzed. The length of the L. japonica cp genome is 155,078 bp, contains a pair of inverted repeat regions (IRa and IRb), of 23,774 bp each, as well as large (LSC, 88,858 bp) and small (SSC, 18,672 bp) single-copy regions. A total of 129 genes were identified in the cp genome, 16 of which were duplicated within the IR regions. Relative to other plant cp genomes, the L...
February 7, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28178095/clubfoot-and-tethered-cord-syndrome-results-of-treatment-with-the-ponseti-method
#20
Trevor Jackson, Alexander Jones, Nancy Miller, Gaia Georgopoulos
BACKGROUND: The Ponseti technique has demonstrated high success rates worldwide for the treatment of idiopathic clubfoot. The purpose of this study was to determine whether clubfoot associated with tethered cord syndrome (TCS) was more resistant to Ponseti treatment than isolated clubfoot. METHODS: An IRB-approved retrospective cohort study of subjects undergoing Ponseti treatment of clubfoot between 2002 and 2013 was conducted. Subjects with TCS were matched to subjects with isolated clubfoot (1:2) on the basis of laterality, date of birth, sex, and age at presentation...
February 7, 2017: Journal of Pediatric Orthopedics
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