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Douglas P Beall, M R Chambers, Sam Thomas, John Amburgy, James R Webb, Bradly S Goodman, Devin K Datta, Richard W Easton, Douglas Linville, Sanjay Talati, John B Tillman
BACKGROUND: Osteoporotic and neoplastic vertebral compression fractures (VCF) are common and painful, threatening quality of life and increasing risk of morbidity and mortality. Balloon kyphoplasty is a percutaneous option for treating painful cancer- and osteoporosis-related VCFs, supported by 2 randomized trials demonstrating efficacy benefits of BKP over nonsurgical care. OBJECTIVE: To investigate 12-mo disability, quality of life, and safety outcomes specifically in a Medicare-eligible population, representing characteristic patients seen in routine clinical practice...
March 14, 2018: Neurosurgery
Sen Wang, Xinxin Zuo, Chao Du, Runxiao Wang, Jiangbin Zheng, Ruigang Yang
This paper deals with the 3D reconstruction problem for dynamic non-rigid objects with a single RGB-D sensor. It is a challenging task as we consider the almost inevitable accumulation error issue in some previous sequential fusion methods and also the possible failure of surface tracking in a long sequence. Therefore, we propose a global non-rigid registration framework and tackle the drifting problem via an explicit loop closure. Our novel scheme starts with a fusion step to get multiple partial scans from the input sequence, followed by a pairwise non-rigid registration and loop detection step to obtain correspondences between neighboring partial pieces and those pieces that form a loop...
March 16, 2018: Sensors
Da Li, Yu-Ming Jiao, Liang Wang, Fu-Xin Lin, Jun Wu, Xian-Zeng Tong, Shuo Wang, Yong Cao
OBJECTIVE Surgical management of brainstem lesions is challenging due to the highly compact, eloquent anatomy of the brainstem. This study aimed to evaluate the safety and efficacy of preoperative diffusion tensor imaging (DTI) and diffusion tensor tractography (DTT) in brainstem cavernous malformations (CMs). METHODS A prospective randomized controlled clinical trial was performed by using stratified blocked randomization. The primary eligibility criterion of the study was being a surgical candidate for brainstem CMs (with informed consent)...
March 16, 2018: Journal of Neurosurgery
Junichi Tokuda, Laurent Chauvin, Brian Ninni, Takahisa Kato, Franklin King, Kemal Tuncali, Nobuhiko Hata
Patient-mounted needle guide devices for
 percutaneous ablations are vulnerable to patient motion. The objective of this study is to develop and evaluate a software system for MRI-compatible patient-mounted needle guide device that can adaptively compensate for the displacement of the device due to the patient motion using a novel image-based automatic device-to-image registration.
 Materials and Methods. We developed a software system for an MRI-compatible patient-mounted needle guide device for percutaneous ablations...
March 16, 2018: Physics in Medicine and Biology
Jan Friso Nast, Christoph Berliner, Thomas Rösch, Daniel von Renteln, Tania Noder, Guido Schachschal, Stefan Groth, Harald Ittrich, Jan F Kersten, Gerhard Adam, Yuki B Werner
BACKGROUND: The newly developed technique of peroral endoscopic myotomy (POEM) has been shown to be effective in several short- and mid-term studies. Limited information is available about the adequacy of immediate post-POEM monitoring tests. METHODS: POEM was performed under general anesthesia in 228 patients (59.6% male, mean age 45.6 ± 15.5 years). Post-procedural checks comprised clinical and laboratory examination, and, during post-procedure days 1-5, endoscopy and-in the first 114 cases-radiologic examination using water-soluble contrast (1st group); the remaining patients underwent post-procedure controls without radiology (2nd group)...
March 15, 2018: Surgical Endoscopy
Loïc Peter, Marcel Tella-Amo, Dzhoshkun Ismail Shakir, George Attilakos, Ruwan Wimalasundera, Jan Deprest, Sébastien Ourselin, Tom Vercauteren
PURPOSE: The standard clinical treatment of Twin-to-Twin transfusion syndrome consists in the photo-coagulation of undesired anastomoses located on the placenta which are responsible to a blood transfer between the two twins. While being the standard of care procedure, fetoscopy suffers from a limited field-of-view of the placenta resulting in missed anastomoses. To facilitate the task of the clinician, building a global map of the placenta providing a larger overview of the vascular network is highly desired...
March 15, 2018: International Journal of Computer Assisted Radiology and Surgery
X Serra-Aracil, A Zárate, L Mora, S Serra-Pla, A Pallisera, J Bonfill, J Bargalló, A Pando, S Delgado, E Balleteros, C Pericay
PURPOSE: Compared with the open approach, laparoscopic total mesorectal excision (TME) achieves faster patient recovery, reduces morbidity rates, and shortens hospital stay. However, in laparoscopic low anterior resection (L-LAR), conversion to open surgery is required in almost 20% of cases. Transanal TME (Ta-TME) combined with laparoscopy, also called hybrid natural orifice transluminal endoscopic surgery (NOTES), is a less invasive procedure that can overcome some of the limitations of laparoscopic rectal surgery...
March 16, 2018: International Journal of Colorectal Disease
Gary R Zirpoli, Susan E McCann, Lara E Sucheston-Campbell, Dawn L Hershman, Gregory Ciupak, Warren Davis, Joseph M Unger, Halle C F Moore, James A Stewart, Claudine Isaacs, Timothy J Hobday, Muhammad Salim, Gabriel N Hortobagyi, Julie R Gralow, G Thomas Budd, Kathy S Albain, Christine B Ambrosone
Background: Chemotherapy-induced peripheral neuropathy (CIPN) can interfere with daily function and quality of life, and there are no known preventive approaches. In a cohort of breast cancer patients receiving paclitaxel as part of a clinical trial (SWOG 0221), we examined the use of dietary supplements both before diagnosis and during treatment in relation to CIPN. Methods: At registration to S0221, 1225 breast cancer patients completed questionnaires regarding the use of multivitamins and supplements before and at diagnosis...
December 1, 2017: Journal of the National Cancer Institute
Ye Ji Kim, Youn Gon Lee, Dong Won Lee, Jae Hui Kim
Purpose: To evaluate short-term treatment outcomes following selective retina therapy (SRT) with real-time feedback-controlled dosimetry in Korean patients with acute idiopathic central serous chorioretinopathy (CSC). Methods: Sixteen eyes (16 patients) with acute idiopathic CSC (symptom duration < 3 months) were included in this retrospective study. All patients underwent a single session of SRT with real-time feedback-controlled dosimetry. Best-corrected visual acuity (BCVA) and central foveal thickness (CFT) before and 3 months after treatment were examined and compared...
2018: Journal of Ophthalmology
Evangelos G Papanikolaou, Hakan Yarali, Evi Timotheou, Michael Grynberg, Odysseas Zafeiratis, Herman Tournaye, Robert Najdecki
Introduction: A drawback of gonadotropin-releasing hormone (GnRH) antagonist protocols in in vitro fertilization (IVF) is that they have limited flexibility in cycle programming. This proof of concept study explored the efficacy of a single-dose, long-acting GnRH antagonist IVF protocol. Trial registration number is NCT03240159, retrospectively registered on March 08, 2017. Materials and methods: The efficacy of a single-dose long-acting antagonist, degarelix, was explored initially in healthy donors and subsequently in infertile patients...
2018: Frontiers in Endocrinology
Sujith Subesinghe, Katie Bechman, Andrew I Rutherford, David Goldblatt, James B Galloway
OBJECTIVE: Vaccination is a key strategy to reduce infection risk in patients with rheumatoid arthritis (RA) and is advocated in internationally recognized rheumatology society guidelines. The aim was to evaluate to the effect of antirheumatic drugs on influenza and pneumococcal vaccine immunogenicity. METHODS: We conducted a systematic literature review and metaanalysis comparing the humoral response to influenza (pandemic and seasonal trivalent subunit vaccines) and pneumococcal (23-valent pneumococcal polysaccharide vaccine, 7- and 13-valent pneumococcal conjugated vaccines) vaccination in adult patients with RA treated with antirheumatic drugs...
March 15, 2018: Journal of Rheumatology
T Labbé Atenas, E Ciampi Díaz, J P Cruz Quiroga, S Uribe Arancibia, C Cárcamo Rodríguez
Functional magnetic resonance imaging (fMRI) is an advanced tool for the study of brain functions in healthy subjects and in neuropsychiatric patients. This tool makes it possible to identify and locate specific phenomena related to neuronal metabolism and activity. Starting with the detection of changes in the blood supply to a region that participates in a function, more complex approaches have been developed to study the dynamics of neuronal networks. Studies examining the brain at rest or involved in different tasks have provided evidence related to the onset, development, and/or response to treatment in various diseases...
March 12, 2018: Radiología
Bryan S Lee, David F Chang
PURPOSE: To compare the rotational stability of the 2 most commonly used toric intraocular lenses (TIOLs). DESIGN: Retrospective cohort study in a single private practice. SUBJECTS: The study included all patients receiving an Acrysof (n = 626) or Tecnis TIOL (n = 647) over an 18-month period from April 2015 to September 2016. Patients were only excluded if their surgery could not be performed using a digital marking system. METHODS: All patients had cataract surgery performed in the same surgical center with a similar technique...
March 12, 2018: Ophthalmology
Qiang Chen, Sijie Niu, Wangyi Fang, Yuanlu Shuai, Wen Fan, Songtao Yuan, Qinghuai Liu
BACKGROUND AND OBJECTIVE: The measurement of choroidal volume is more related with eye diseases than choroidal thickness, because the choroidal volume can reflect the diseases comprehensively. The purpose is to automatically segment choroid for three-dimensional (3D) spectral domain optical coherence tomography (SD-OCT) images. METHODS: We present a novel choroid segmentation strategy for SD-OCT images by incorporating the enhanced depth imaging OCT (EDI-OCT) images...
May 2018: Computer Methods and Programs in Biomedicine
Morten Schmidt, Michael Maeng, Morten Madsen, Henrik Toft Sørensen, Lisette Okkels Jensen, Carl-Johan Jakobsen
The WDHR (Western Denmark Heart Registry) is a seminational, multicenter-based registry with longitudinal registration of detailed patient and procedure data since 1999. The registry includes as of January 1, 2017 approximately 240,000 coronary angiographies, 90,000 percutaneous coronary interventions, 60,000 cardiac computed tomographies, 40,000 cardiac operations, and 2,000 transcatheter aortic valve replacements. Positron emission tomography/computed tomography, single-photon emission computed tomography, and magnetic resonance imaging are soon to be added...
March 20, 2018: Journal of the American College of Cardiology
Marit Johansen, Gabriel Rada, Sarah Rosenbaum, Elizabeth Paulsen, Nkengafac Villyen Motaze, Newton Opiyo, Charles S Wiysonge, Yunpeng Ding, Fidele K Mukinda, Andrew D Oxman
BACKGROUND: A strategy for minimising the time and obstacles to accessing systematic reviews of health system evidence is to collect them in a freely available database and make them easy to find through a simple 'Google-style' search interface. PDQ-Evidence was developed in this way. The objective of this study was to compare PDQ-Evidence to six other databases, namely Cochrane Library, EVIPNet VHL, Google Scholar, Health Systems Evidence, PubMed and Trip. METHODS: We recruited healthcare policy-makers, managers and health researchers in low-, middle- and high-income countries...
March 15, 2018: Health Research Policy and Systems
Felix Miedaner, Ludwig Kuntz, Christian Enke, Bernhard Roth, Anika Nitzsche
BACKGROUND: Physician and nursing shortages in acute and critical care settings require research on factors which might drive their commitment, an important predictor of absenteeism and turnover. However, the degree to which the commitment of a physician or a nurse is driven by individual or organizational characteristics in hospitals remains unclear. In addition, there is a need for a greater understanding of how antecedent-commitment relationships differ between both occupational groups...
March 15, 2018: BMC Health Services Research
Florian Lamping, Thomas Jack, Nicole Rübsamen, Michael Sasse, Philipp Beerbaum, Rafael T Mikolajczyk, Martin Boehne, André Karch
BACKGROUND: Since early antimicrobial therapy is mandatory in septic patients, immediate diagnosis and distinction from non-infectious SIRS is essential but hampered by the similarity of symptoms between both entities. We aimed to develop a diagnostic model for differentiation of sepsis and non-infectious SIRS in critically ill children based on routinely available parameters (baseline characteristics, clinical/laboratory parameters, technical/medical support). METHODS: This is a secondary analysis of a randomized controlled trial conducted at a German tertiary-care pediatric intensive care unit (PICU)...
March 15, 2018: BMC Pediatrics
Arata Takahashi, Hiraku Kumamaru, Ai Tomotaki, Goki Matsumura, Eriko Fukuchi, Yasutaka Hirata, Arata Murakami, Hideki Hashimoto, Minoru Ono, Hiroaki Miyata
BACKGROUND: Japan Congenital Cardiovascluar Surgical Database (JCCVSD) is a nationwide registry whose data are used for health quality assessment and clinical research in Japan. We evaluated the completeness of case registration and the accuracy of recorded data components including postprocedural mortality and complications in the database via on-site data adjudication. METHODS: We validated the records from JCCVSD 2010 to 2012 containing congenital cardiovascular surgery data performed in 111 facilities throughout Japan...
March 2018: World Journal for Pediatric & Congenital Heart Surgery
Nicholas P Jones, Archana Pradeep, Binu John
PURPOSE: To identify the causes of severe visual loss in a UK uveitis clinic, to suggest means of reducing incidence, and to propose improvement in data collection of vision impairment. PATIENTS AND METHODS: Retrospective case series. RESULTS: Over 128 months, 76 (3.5-4% of patients referred) were certified as vision-impaired or severely vision-impaired. The mean age at registration was 48.4 years, 76% were of working age, and 7% were children...
March 15, 2018: Ocular Immunology and Inflammation
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