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https://www.readbyqxmd.com/read/28817717/short-report-trpv1-polymorphism-1911-a-g-alters-capsaicin-induced-sensory-changes-in-healthy-subjects
#1
Julia Forstenpointner, Matti Förster, Denisa May, Friederike Hofschulte, Ingolf Cascorbi, Gunnar Wasner, Janne Gierthmühlen, Ralf Baron
BACKGROUND: C-fibers express transient receptor potential (TRP) channels. These high-voltage gated channels function as integrators of different physical stresses (e.g. heat, protons, ATP). Additionally channel activation can be induced by capsaicin. Topically applied, capsaicin elicits burning pain, heat and mechanical hyperalgesia and serves as a human surrogate model for pain. It was suggested that the TRPV1-variant rs8065080 (1911A>G) plays a pivotal role in patients with neuropathic pain syndromes...
2017: PloS One
https://www.readbyqxmd.com/read/28817645/translation-cultural-adaptation-and-validation-of-simplified-chinese-version-of-the-anterior-cruciate-ligament-return-to-sport-after-injury-acl-rsi-scale
#2
Tianwu Chen, Peng Zhang, Yunxia Li, Kate Webster, Jian Zhang, Wei Yao, Yue Yin, Chingchong Ai, Shiyi Chen
PURPOSE: To translate and cross-culturally adapt the anterior cruciate ligament-return to sport after injury (ACL-RSI) into simplified Chinese [ACL-RSI (Cn)]. METHOD: In this diagnostic study, the translation, cross-culturally adaptation, and validation of the ACL-RSI was performed according to international guidelines. A total of 112 patients with ACL reconstruction participated in this study. All were capable of competitive sports before the injury and completed the Knee Injury and Osteoarthritis Outcome (KOOS), the International Knee Documentation Committee (IKDC), the Tampa Scale of Kinesiophobia (TSK), and the Tegner activity score...
2017: PloS One
https://www.readbyqxmd.com/read/28817640/evaluation-of-multilocus-marker-efficacy-for-delineating-mangrove-species-of-west-coast-india
#3
Ankush Ashok Saddhe, Rahul Arvind Jamdade, Kundan Kumar
The plant DNA barcoding is a complex and requires more than one marker(s) as compared to animal barcoding. Mangroves are diverse estuarine ecosystem prevalent in the tropical and subtropical zone, but anthropogenic activity turned them into the vulnerable ecosystem. There is a need to build a molecular reference library of mangrove plant species based on molecular barcode marker along with morphological characteristics. In this study, we tested the core plant barcode (rbcL and matK) and four promising complementary barcodes (ITS2, psbK-psbI, rpoC1 and atpF-atpH) in 14 mangroves species belonging to 5 families from West Coast India...
2017: PloS One
https://www.readbyqxmd.com/read/28817609/corneal-confocal-microscopy-is-a-rapid-reproducible-ophthalmic-technique-for-quantifying-corneal-nerve-abnormalities
#4
Alise Kalteniece, Maryam Ferdousi, Safwaan Adam, Jonathan Schofield, Shazli Azmi, Ioannis Petropoulos, Handrean Soran, Rayaz A Malik
PURPOSE: To assess the effect of applying a protocol for image selection and the number of images required for adequate quantification of corneal nerve pathology using in vivo corneal confocal microscopy (IVCCM). METHODS: IVCCM was performed in 35 participants by a single examiner. For each participant, 4 observers used a standardized protocol to select 6 central corneal nerve images to assess the inter-observer variability. Furthermore, images were selected by a single observer on two occasions to assess intra-observer variability and the effect of sample size was assessed by comparing 6 with 12 images...
2017: PloS One
https://www.readbyqxmd.com/read/28817607/computer-aided-position-planning-of-miniplates-to-treat-facial-bone-defects
#5
Jan Egger, Jürgen Wallner, Markus Gall, Xiaojun Chen, Katja Schwenzer-Zimmerer, Knut Reinbacher, Dieter Schmalstieg
In this contribution, a software system for computer-aided position planning of miniplates to treat facial bone defects is proposed. The intra-operatively used bone plates have to be passively adapted on the underlying bone contours for adequate bone fragment stabilization. However, this procedure can lead to frequent intra-operatively performed material readjustments especially in complex surgical cases. Our approach is able to fit a selection of common implant models on the surgeon's desired position in a 3D computer model...
2017: PloS One
https://www.readbyqxmd.com/read/28817568/an-optimal-strategy-for-epilepsy-surgery-disruption-of-the-rich-club
#6
Marinho A Lopes, Mark P Richardson, Eugenio Abela, Christian Rummel, Kaspar Schindler, Marc Goodfellow, John R Terry
Surgery is a therapeutic option for people with epilepsy whose seizures are not controlled by anti-epilepsy drugs. In pre-surgical planning, an array of data modalities, often including intra-cranial EEG, is used in an attempt to map regions of the brain thought to be crucial for the generation of seizures. These regions are then resected with the hope that the individual is rendered seizure free as a consequence. However, post-operative seizure freedom is currently sub-optimal, suggesting that the pre-surgical assessment may be improved by taking advantage of a mechanistic understanding of seizure generation in large brain networks...
August 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28817416/nicotinic-modulation-of-descending-pain-control-circuitry
#7
Iboro C Umana, Claire A Daniele, Brooke A Miller, Keith Gallagher, Meghan A Brown, Chandrika Abburi, Peggy Mason, Daniel S McGehee
Along with the well-known rewarding effects, activation of nicotinic acetylcholine receptors (nAChRs) can also relieve pain, and some nicotinic agonists have analgesic efficacy similar to opioids. A major target of analgesic drugs is the descending pain modulatory pathway, including the ventrolateral periaqueductal gray (vlPAG) and the rostral ventromedial medulla (RVM). Although activating nAChRs within this circuitry can be analgesic, little is known about the subunit composition and cellular effects of these receptors, particularly within the vlPAG...
July 3, 2017: Pain
https://www.readbyqxmd.com/read/28817196/technical-note-quantitative-analysis-of-ivim-diffusion-mri-using-total-variation-and-huber-penalty-function
#8
Esha Baidya Kayal, Devasenathipathy Kandasamy, Kedar Khare, Jayendra Tiru Alampally, Sameer Bakhshi, Raju Sharma, Amit Mehndiratta
PURPOSE: Quantitative analysis in Intra-voxel Incoherent Motion (IVIM) imaging commonly uses voxel-wise estimation of the bi-exponential model, which might not be reliable for clinical interpretation. Improving model fitting performance and qualitative and quantitative parametric estimation, two novel methodologies are proposed here. METHODS: Five IVIM analyses methodologies: i) Bi-Exponential (BE) model, ii) Segmented BE method with 2-parameter fitting (BEseg-2), iii) Segmented BE method with 1-parameter fitting (BEseg-1), iv) BE with adaptive Total Variation Penalty function (BE+TV) and v) BE with adaptive Huber Penalty function (BE+HPF) were evaluated...
August 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28817142/morphologic-patterns-of-the-atrophic-posterior-maxilla-and-clinical-implications-for-bone-regenerative-therapy
#9
Alberto Monje, Istvan A Urban, Richard J Miron, Jordi Caballe-Serrano, Daniel Buser, Hom-Lay Wang
Regenerative therapies are commonly needed prior to implant placement in the posterior maxilla following tooth extraction. The aim of this study was to investigate the anatomical features of the atrophic posterior maxilla that might affect surgical approach selection and technique and risk of intra- and postoperative complications. Cone beam computed tomography files were screened to identify pristine atrophic maxillary ridges in need of bone augmentation (ridge height < 10 mm). Ridge height and width and lateral wall thickness (LWT) were measured at different levels, and palatonasal recess and lateral wall morphology were calculated...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28817066/consistency-of-eating-rate-oral-processing-behaviours-and-energy-intake-across-meals
#10
Keri McCrickerd, Ciaran G Forde
Faster eating has been identified as a risk factor for obesity and the current study tested whether eating rate is consistent within an individual and linked to energy intake across multiple meals. Measures of ad libitum intake, eating rate, and oral processing at the same or similar test meal were recorded on four non-consecutive days for 146 participants (117 male, 29 female) recruited across four separate studies. All the meals were video recorded, and oral processing behaviours were derived through behavioural coding...
August 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28816981/changes-of-platelet-times-neutrophil-to-lymphocyte-ratio-predict-bclc-stage-a-hepatocellular-carcinoma-survival
#11
Chen Jin, Chuan Li, Wei Peng, Tian-Fu Wen, Lv-Nan Yan, Bo Li, Wen-Tao Wang, Jia-Yin Yang, Ming-Qing Xu
Platelet, neutrophil, and lymphocyte ratio (PNLR) has its own unique role in influencing postoperative recurrence for patients with hepatocellular carcinoma (HCC). Surgical stress can change systemic inflammatory response of patients. Thus the aim of this study was to identify the prognostic value of changes of platelet times neutrophil to lymphocyte ratio in hepatitis B related HCC within Barcelona clinical liver cancer (BCLC) stage A.Data of patients with HCC within BCLC stage A were reviewed. Pre-, intra- and postoperative variables were retrospectively and statistically analyzed...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816972/low-second-to-fourth-digit-ratio-in-dupuytren-disease
#12
Takuya Yokoi, Takuya Uemura, Kenichi Kazuki, Ema Onode, Kosuke Shintani, Mitsuhiro Okada, Hiroaki Nakamura
The ratio of the lengths of the second and fourth digits (2D:4D) has been described as reflecting endogenous prenatal androgen exposure. In general, 2D:4D is lower in men than in women and has potential as a biomarker or predictor for various diseases, athletic ability, and academic performance. Dupuytren disease has digital flexion contractures and is known to predominate in men, but the pathogenesis of the disease remains unclear. To clarify the relationships between Dupuytren disease and endogenous androgens, we performed a retrospective analysis of hand radiographs to investigate 2D:4D in Dupuytren disease...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816956/differential-diagnosis-of-posterior-fossa-brain-tumors-multiple-discriminant-analysis-of-tl-spect-and-fdg-pet
#13
Moritaka Yamauchi, Tomohisa Okada, Tsutomu Okada, Akira Yamamoto, Yasutaka Fushimi, Yoshiki Arakawa, Susumu Miyamoto, Kaori Togashi
This study investigated the combined capability of thallium-201 (Tl)-SPECT and fluorine-18-fluoro-deoxy-glucose (FDG)-PET for differential diagnosis of posterior fossa brain tumors using multiple discriminant analysis.This retrospective study was conducted under approval of the institutional review board. In the hospital information system, 27 patients with posterior fossa intra-axial tumor between January 2009 and June 2015 were enrolled and grouped as the following 7 entities: low grade glioma (LGG) 6, anaplastic astrocytoma (AA) 2, glioblastoma (GBM) 3, medulloblastoma (MB) 3, hemangioblastoma (HB) 6, metastatic tumor (Mets) 3, and malignant lymphoma (ML) 4...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816941/single-center-experience-with-intra-abdominal-liposarcoma-optimal-minimum-duration-for-postoperative-remnant-tumor-screening
#14
Jinsoo Rhu, Chan Woo Cho, Kyo Won Lee, Hyojun Park, Jae Berm Park, Yoon-La Choi, Sung Joo Kim
This study sought to identify factors related to the prognosis of intra-abdominal liposarcoma and to determine the optimal minimum duration for remnant tumor screening. Intra-abdominal liposarcoma is associated with high rates of incomplete resection and recurrence requiring a sophisticated follow-up strategy.Patients who underwent surgery for intra-abdominal liposarcoma were included. Cox analyses were used to analyze factors related to recurrence and survival. To determine the optimal minimum duration for remnant tumor screening, patients with recurrence after surgery despite gross complete resection were grouped by a postoperative detection time of 1, 3, or 6 months...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816906/comparison-of-liposomal-bupivacaine-with-bupivicaine-pain-pump-in-tka-patients-commentary-on-an-article-by-eric-b-smith-md-et-al-periarticular-liposomal-bupivacaine-injection-versus-intra-articular-bupivacaine-infusion-catheter-for-analgesia-after-total-knee
#15
https://www.readbyqxmd.com/read/28816893/periarticular-liposomal-bupivacaine-injection-versus-intra-articular-bupivacaine-infusion-catheter-for-analgesia-after-total-knee-arthroplasty-a-double-blinded-randomized-controlled-trial
#16
Eric B Smith, Gregory S Kazarian, Mitchell G Maltenfort, Jess H Lonner, Peter F Sharkey, Robert P Good
BACKGROUND: Intra-articular bupivacaine hydrochloride (HCl) infusion catheters and periarticular injections of liposomal bupivacaine are often used as postoperative local anesthetics. The purpose of this study was to compare the efficacies of these local anesthetics following total knee arthroplasty. METHODS: This study was a superiority trial with a randomized, controlled, double-blinded design. Patients were randomly assigned to either delivery of bupivacaine HCl by the ON-Q* Pain Relief System pump (n = 96) or by an injection of Exparel (liposomal bupivacaine) (n = 104)...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28816824/analysis-of-the-relationship-between-the-epidural-spinal-cord-compression-escc-scale-and-paralysis-caused-by-metastatic-spine-tumors
#17
Hiroshi Uei, Yasuaki Tokuhashi, Masafumi Maseda
STUDY DESIGN: A retrospective, single-institute, and radiographic study. OBJECTIVE: To evaluate the relationship between the epidural spinal cord compression (ESCC) scale and the severity of metastatic spine tumor-induced paralysis. SUMMARY OF BACKGROUND DATA: The ESCC scale is used to evaluate the grade of spinal cord compression on T2-weighted magnetic resonance imaging (MRI). However, few studies have investigated the relationship between such MRI findings and paralysis...
August 14, 2017: Spine
https://www.readbyqxmd.com/read/28816666/efficient-multi-strategy-intra-prediction-for-quality-scalable-high-efficiency-video-coding
#18
Dayong Wang, Ce Zhu, Yu Sun, Frederic Dufaux, Yuanyuan Huang
As an extension of High Efficiency Video Coding (HEVC), the Scalable High Efficiency Video Coding (SHVC) introduces multiple layers with inter-layer predictions, which greatly increases the complexity on top of the already complicated HEVC encoder. In Intra prediction for Quality SHVC, Coding Tree Unit (CTU) allows recursive splitting into four depth levels, which considers 35 Intra prediction modes and interlayer reference (ILR) mode to determine the best possible mode at each depth level. This achieves the highest coding efficiency but incurs a substantially high computational complexity...
August 14, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28816297/-perirenal-cystic-lymphangioma-in-an-adult-a-case-report-and-literature-review
#19
W He, Y C Hao, H Z Xia, R Z Ma, B Yang, J Lu
Lymphangioma is a rare, benign mesenchymal neoplasm, which is characterized by numerous intercommunicating cystic spaces containing lymphatic fluid. It is considered a congenital disease resulting from the obstruction of regional lymph drainage during the developmental period. Lymphangioma frequently occurs in the cervical neck and axilla, also in the retroperitoneum, mediastinum, mesentery, omentum, colon, and pelvis, rarely in the perirenal space. These tumors usually present in childhood, but infrequently, these also present in adults...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816292/-precision-of-three-dimensional-printed-brackets
#20
D Zhang, L C Wang, Y H Zhou, X M Liu, J Li
OBJECTIVE: This study was based on digital orthodontic diagnosis work flow for indirect bonding transfer tray model design and three-dimensional (3D) printing, and the aim of this paper was to inspect the dimensional accuracyof 3D printed brackets, which is the foundation of the follow up work and hoped that will illuminate the clinical application of the digital orthodontics work flow. METHODS: The samples which consisted of 14 cases of patients with malocclusion from Department of Orthodontics Peking University were selected, including 8 cases with tooth extraction and 6 cases without tooth extraction...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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