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X Q Wang, C S Wu, S Sun, J Wang, W Li, W Zhang
Objective: To investigate the situation of hip dislocation with the application of "femur first" principle and "combined anteversion technique" during total hip arthroplasty. Methods: A retrospective analysis has been done on the clinical data about 104 patients(133 hips)who were diagnosed as hip disease and were treated with total hip arthroplasty by the doctors from the Department of Joint Orthorpaedics of Shandong Provincial Hospital Affiliated to Shandong University from June 2014 to June 2016, and all the prostheses applied in the operation were cementless ones...
April 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Z B Pi, J K Zhang, Y Peng, Y Jin, H Lin
Objective: To evaluate the efficacy of ultrasound-guided spinal nerve posterior ramus pulsed radiofrequency treatment of lower back post-herpetic neuralgia. Methods: One hundred and twenty-eight cases of lower back or anterior abdominal wall acute post-herpetic neuralgia patients were enrolled. They were randomly divided into two groups. Group A: oral treatment only with gabapentin+ celecoxib+ amitriptyline. Group B: while taking these drugs, patients were treated with radiofrequency pulses using a portable ultrasound device and the paravertebral puncture technique...
March 13, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Leni Verônica de Oliveira Silva, José Alcides Almeida Arruda, Stephanie Joana Martelli, Camila de Nazaré Alves de Oliveira Kato, Laiz Fernanda Mendes Nunes, Ana Carolina Uchoa Vasconcelos, Sandra Beatriz Chaves Tarquinio, Ana Paula Neutzling Gomes, Ricardo Santiago Gomez, Ricardo Alves Mesquita, Marcia Maria Fonseca da Silveira, Ana Paula Veras Sobral
The aim of this study was to investigate the prevalence of oral and maxillofacial lesions among children from representative regions of Brazil. A retrospective descriptive study was conducted. Biopsy records comprising the period from 2000 to 2015 were obtained from the archives of three Brazilian oral pathology referral centers. A total of 32,506 biopsy specimens were analyzed, and specimens from 1,706 children aged 0-12 years were selected. Gender, age, anatomical location and histopathological diagnosis were evaluated...
March 15, 2018: Brazilian Oral Research
Rafael Alves Cordeiro, Leonardo Santos Hoff, Marcos Vinícius Fernandes Garcia, Hilton Muniz Leão Filho, Eduardo Ferreira Borba
Peliosis hepatis is a rare benign disorder characterized by the presence of multiple cavities filled with blood with no preferential localization in the liver parenchyma. It may be related to several etiologic conditions, especially infections and toxicity of immunosuppressive drugs. To our knowledge, there are only three articles reporting the association between peliosis hepatis and systemic lupus erythematosus. In this report, we describe a case of this rare condition, highlighting the importance of magnetic resonance imaging...
January 2018: Revista da Associação Médica Brasileira
Hannah Brooks, Grant E Haines, M Carly Lin, S Laurie Sanderson
Vortical cross-step filtration in suspension-feeding fish has been reported recently as a novel mechanism, distinct from other biological and industrial filtration processes. Although crossflow passing over backward-facing steps generates vortices that can suspend, concentrate, and transport particles, the morphological factors affecting this vortical flow have not been identified previously. In our 3D-printed models of the oral cavity for ram suspension-feeding fish, the angle of the backward-facing step with respect to the model's dorsal midline affected vortex parameters significantly, including rotational, tangential, and axial speed...
2018: PloS One
Soo-Yeon Kim, Young-Chel Park, Kee-Joon Lee, Andreas Lintermann, Sang-Sun Han, Hyung-Seog Yu, Yoon Jeong Choi
OBJECTIVES: To evaluate changes in the volume and cross-sectional area of the nasal airway before and 1 year after nonsurgical miniscrew-assisted rapid maxillary expansion (MARME) in young adults. MATERIALS AND METHODS: Fourteen patients (mean age, 22.7 years; 10 women, four men) with a transverse discrepancy who underwent cone beam computed tomography before (T0), immediately after (T1), and 1 year after (T2) expansion were retrospectively included in this study...
March 21, 2018: Angle Orthodontist
Jacinta C Conrad, Ryan Poling-Skutvik
Bacteria overwhelmingly live in geometrically confined habitats that feature small pores or cavities, narrow channels, or nearby interfaces. Fluid flows through these confined habitats are ubiquitous in both natural and artificial environments colonized by bacteria. Moreover, these flows occur on timeand length scales comparable to those associated with motility of bacteria and with the formation and growth of biofilms, which are surface-associated communities that house the vast majority of bacteria and protect them from host and environmental stresses...
March 21, 2018: Annual Review of Chemical and Biomolecular Engineering
Amir Wolff, Gabriel F Santiago, Micah Belzberg, Omri Emodi, Chad R Gordon
INTRODUCTION: Combined mid-face and nasal apparatus trauma injuries pose a significant challenge to airway patency (AW), in the immediate postoperative setting following fracture reduction. As such, the authors describe a modified technique with the goal of maintaining a patent nasal AW, while at the same time, minimizing nasopharyngeal bleeding and nasal AW edema-which can complicate patients requiring intermaxillary fixation (IMF) in the setting of pan-facial trauma. METHODS: A modified technique was devised to assist the reconstruction surgeon in avoiding the risks associated with tracheostomy placement...
March 20, 2018: Journal of Craniofacial Surgery
Santanu Mandal, Prabuddha Mukhopadhyay, Chiranjit Ghosh, Mithun Pal, Gourab Dutta Banik, Tanmoy Chatterjee, Shibendu Ghosh, Manik Pradhan
The underlying mechanisms towards the progression of end-stage renal disease (ESRD) in chronic kidney disease (CKD) are poorly understood and it still remains a major clinical stumbling block for early detection of CKD. Most patients with CKD pass through ESRD with the necessity of frequent hemodialysis (HD) treatment. At present, plasma urea and creatinine levels are examined in most of the CKD patients to monitor the patients' health status after dialysis. But it is really impossible to get immediate feedback of the patients' health as the conventional tests are involved with the collection of blood samples, laboratory processing for prolong time and finally analysis of those samples...
March 21, 2018: Journal of Breath Research
Gino Vissers, Arno Talboom, Ben Gys, Damien Desbuquoit, Niels Komen, Guy Hubens
BACKGROUND: An internal abdominal hernia is defined as the protrusion of a viscus through a mesenteric or peritoneal aperture within the peritoneal cavity. A less common type of internal herniation is a small bowel herniation through a defect in the falciform ligament of the liver. This defect can be congenital or iatrogenic after penetration of the falciform ligament with a trocar during laparoscopic surgery. METHODS: We present a case report illustrating an internal herniation through an iatrogenic defect in the falciform ligament of the liver...
March 21, 2018: Acta Chirurgica Belgica
Majd Tarabichi, Abtin Alvand, Noam Shohat, Karan Goswami, Javad Parvizi
A 62-year-old man who had undergone a primary knee arthroplasty 3 years earlier, presented to the emergency department with an infected prosthesis. He underwent prosthesis resection. All cultures failed to identify the infecting organism. Analysis of the intraoperative samples by next-generation sequencing revealed Streptococcus canis (an organism that resides in the oral cavity of dogs). It was later discovered that the patient had sustained a dog scratch injury several days earlier. The patient reports that his dog had licked the scratch...
March 2018: Arthroplasty Today
Dae Y Han, Lijun Ma, Steve Braunstein, David Raleigh, Patricia K Sneed, Michael McDermott
Background and Objectives Intra-parenchymal brain surgical resection cavities usually contract in volume following low dose rate (LDR) brachytherapy implants. In this study, we systematically modeled and assessed dose variability resulting from such changes for I-125 versus Cs-131 radioactive sources. Methods Resection cavity contraction was modeled based on 95 consecutive patient cases, using surveillance magnetic resonance (MR) images. The model was derived for single point source geometry and then fully simulated in 3D where I-125 or Cs-131 seeds were placed on the surface of an ellipsoidal resection cavity...
January 16, 2018: Curēus
Bart J F Keijser, Tim J van den Broek, Dagmar E Slot, Lodewic van Twillert, Jolanda Kool, Clémentine Thabuis, Michel Ossendrijver, Fridus A van der Weijden, Roy C Montijn
Background: The oral cavity harbors a complex microbial ecosystem, intimately related to oral health and disease. The use of polyol-sweetened gum is believed to benefit oral health through stimulation of salivary flow and impacting oral pathogenic bacteria. Maltitol is often used as sweetener in food products. This study aimed to establish the in vivo effects of frequent consumption of maltitol-sweetened chewing gum on the dental plaque microbiota in healthy volunteers and to establish the cellular and molecular effects by in vitro cultivation and transcriptional analysis...
2018: Frontiers in Microbiology
Blair M Barton, Charles A Riley, Jason D Pou, Christian P Hasney, Brian A Moore
Background: The submental island flap (SIF) is a pedicled flap based upon the submental artery and vein. Its utility in reconstruction following ablative head and neck procedures has been applied to various subsites including skin, lip, buccal mucosa, retromolar trigone, parotidectomy defects, and tongue. We review our experience using the SIF for reconstruction following tumor ablation. Methods: This prospective case series with medical record review includes consecutive patients undergoing SIF reconstruction following ablative surgery for malignancy at a single tertiary care facility between November 2014 and November 2016...
2018: Ochsner Journal
Alvaro Proaño, David Bui, José W López, Nancy M Vu, Marjory A Bravard, Gwenyth O Lee, Brian H Tracey, Ziyue Xu, Germán Comina, Eduardo Ticona, Daniel J Mollura, Jon S Friedland, David A J Moore, Carlton A Evans, Philip Caligiuri, Robert H Gilman
BACKGROUND: Cough frequency, and its duration, is a lab-free biomarker that can be used in low-resource settings and has been associated with transmission and treatment response. Radiological characteristics associated with increased cough frequency may be important in understanding transmission. The relationship between cough frequency and cavitary lung disease has never been studied. METHODS: We analyzed 41 human immunodeficiency virus-negative adults with culture-confirmed, drug-susceptible pulmonary tuberculosis throughout treatment...
March 17, 2018: Chest
Takuichiro Hide, Yoshihiro Komohara, Yuko Miyasato, Hideo Nakamura, Keishi Makino, Motohiro Takeya, Jun-Ichi Kuratsu, Akitake Mukasa, Shigetoshi Yano
Glioblastoma (GBM) usually develops in adult brain white matter. Even after complete resection, GBM recurs around the tumor removal cavity, where GBM cells acquire chemo-radioresistance. Characterization of the tumor border microenvironment is critical for improving prognosis in patients with GBM. Here, we compared microRNA (miRNA) expression in samples from the tumor, tumor border, and periphery by miRNA microarray. The top three of miRNAs showing higher expression in the tumor border were related to oligodendrocyte differentiation, and pathologically oligodendrocyte lineage cells were increased in the border, where macrophages and microglia also colocalized...
March 1, 2018: EBioMedicine
Vincent Mathieu, Clément de Loubens, Chloé Thomas, Maud Panouillé, Albert Magnin, Isabelle Souchon
The development of innovative experimental approaches is necessary to gain insights in the complex biomechanics of swallowing. In particular, unraveling the mechanisms of formation of the thin film of bolus coating the pharyngeal mucosa after the ingestion of liquid or semi-liquid food products is an important challenge, with implication in dysphagia treatment and sensory perceptions. The aim here is to propose an original experimental model of swallowing (i) to simulate the peristaltic motions driving the bolus from the oral cavity to the esophagus, (ii) to mimic and vary complex physiological variables of the pharyngeal mucosa (lubrication, deformability and velocity) and (iii) to measure the thickness and the composition of the coatings resulting from bolus flow...
March 12, 2018: Journal of Biomechanics
Katherine E Queck, Angela Chapman, Leslie J Herzog, Tamara Shell-Martin, Anthony Burgess-Cassler, George David McClure
Periodontal disease in dogs is highly prevalent but can only be accurately diagnosed by performing an anesthetized oral examination with periodontal probing and dental radiography. In this study, 114 dogs had a visual awake examination of the oral cavity and were administered an oral-fluid thiol-detection test prior to undergoing a a full-mouth anesthetized oral examination and digital dental radiographs. The results show the visual awake examination underestimated the presence and severity of active periodontal disease...
March 20, 2018: Journal of the American Animal Hospital Association
Andrzej Miskiewicz, Grzegorz Szparecki, Marek Durlik, Grażyna Rydzewska, Ireneusz Ziobrowski, Renata Górska
BACKGROUND: Periodontitis is a major risk factor of systemic diseases with inflammatory etiology. Numerous studies have established the connection between periodontal condition and diabetes, but there are no reports in the literature on the relationship between periodontitis and other pancreas conditions. The activity of pancreatic enzymes is an important parameter of pancreatic damage, and is also a diagnostic marker of acute and chronic pancreatitis, and the bleeding index determines the periodontitis activity...
March 20, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Juan Ramón Avilés-Moreno, Giel Berden, Jos Oomens, Bruno Martínez-Haya
Proton bonding drives the supramolecular chemistry of a broad range of materials with polar moieties. Proton delocalization and electronic charge redistribution have a profound impact on the structure of proton-bound molecular frameworks, and pose fundamental challenges to quantum chemical modelling. This study provides insights into the structural and spectral signatures of the intramolecular proton bond formed in a benchmark polyazamacrocycle anionophore (cyclen, 1,4,7,10-tetraazacyclododecane). Infrared action spectroscopy is employed to characterize the macrocycle, isolated in protonated form...
March 20, 2018: Physical Chemistry Chemical Physics: PCCP
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