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https://www.readbyqxmd.com/read/29351309/a-modified-elliptical-formula-to-estimate-kidney-collagen-content-in-a-model-of-chronic-kidney-disease
#1
Jake A Nieto, Janice Zhu, Bin Duan, Jingsong Li, Ping Zhou, Latha Paka, Michael A Yamin, Itzhak D Goldberg, Prakash Narayan
The extent of scarring or renal interstitial collagen deposition in chronic kidney disease (CKD) can only be ascertained by highly invasive, painful and sometimes risky, tissue biopsy. Interestingly, while CKD-related abnormalities in kidney size can often be visualized using ultrasound, not only does the ellipsoid formula used today underestimate true renal size, but the calculated renal size does not inform tubulointerstitial collagen content. We used coronal kidney sections from healthy mice and mice with kidney disease to develop a new formula for estimating renal parenchymal area...
2018: PloS One
https://www.readbyqxmd.com/read/29344172/potential-factors-influencing-the-development-of-oral-tongue-squamous-cell-carcinoma-in-young-mature-patients-lingual-position-of-the-mandibular-second-molar-and-narrow-tongue-space
#2
Yusoon Kim, Kohei Okuyama, Yasuyuki Michi, Yoshio Ohyama, Narikazu Uzawa, Satoshi Yamaguchi
The lingual position of the mandibular second molar and narrow tongue space are associated with oral tongue squamous cell carcinoma (OTSCC) development in young mature patients. The present study aimed to assess the role of the mandibular second molar position and tongue space in young mature patients with OTSCC. The medical records of 21 patients with OTSCC aged <50 years, who had an intact mandibular second molar and had undergone computed tomography (CT) imaging between April 2009 and December 2015 at the Section of Maxillofacial Surgery in Tokyo Medical and Dental University, were retrospectively examined...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29330634/corrective-osteotomies-using-patient-specific-3d-printed-guides-a-critical-appraisal
#3
Wouter Rosseels, Michiel Herteleer, An Sermon, Stefaan Nijs, Harm Hoekstra
INTRODUCTION: Over the last decade, the technique of 3D planning has found its way into trauma surgery. The use of this technique in corrective osteotomies for treatment of malunions provides the trauma surgeon with a powerful tool. However, this technique is not entirely straightforward. We aimed to define potential pitfalls of this technique and possible solutions to overcome these shortcomings. MATERIALS AND METHODS: Ten patients with either a uni-, bi- or triplanar malunion of the long bones were included in this study...
January 12, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29329788/effect-of-individualized-distal-femoral-valgus-resection-angle-in-primary-total-knee-arthroplasty-a-systematic-review-and-meta-analysis-involving-1300-subjects
#4
REVIEW
Kai Zhou, Tingxian Ling, Yuan Xu, Jinglong Li, Haoda Yu, Haoyang Wang, Zongke Zhou, Fuxing Pei
BACKGROUND: Proper limb alignment and implant positioning are important for successful total knee arthroplasty (TKA). Whether any differences exist in restoration of limb alignment for valgus knees between fixed and individual femoral valgus correction angle (VCA) for distal femoral resection remains unknown. METHODS: The PubMed, Medline, Embase, and Wangfang databases were searched to identify studies comparing individualized VCA and fixed VCA in the distal femoral valgus resection...
January 9, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29325788/impact-of-the-gastrojejunal-anatomic-position-as-the-mechanism-of-delayed-gastric-emptying-after-pancreatoduodenectomy
#5
Motoi Nojiri, Yukihiro Yokoyama, Takashi Maeda, Tomoki Ebata, Tsuyoshi Igami, Gen Sugawara, Junpei Yamaguchi, Masato Nagino
BACKGROUND: This study investigated the impact of gastrojejunal anatomic position on the incidence of delayed gastric emptying after pancreatoduodenectomy. METHODS: A total of 160 patients were included in the retrospective analysis. The relative anatomic position of the gastrojejunostomy was evaluated using coronal and sagittal plane computed tomography images on postoperative day 7; the coronal cardia anastomotic angle and the sagittal fundus anastomotic angle were measured...
January 8, 2018: Surgery
https://www.readbyqxmd.com/read/29319546/influence-of-the-presence-of-alveolar-mucosa-at-implants-a-histological-study-in-humans
#6
Yasushi Nakajima, Adriano Piattelli, Giovanna Iezzi, Natalia Fortich Mesa, Mauro Ferri, Daniele Botticelli
OBJECTIVE: To evaluate the influence of the presence or absence of keratinized mucosa on hard and soft tissues around implants. MATERIAL AND METHODS: Sixteen volunteers with edentulous regions in the distal aspect of the mandible participated in the study. In each patient, 2 solid titanium screw-shaped devices, 3.5 mm in diameter and 5 mm long, were installed. The incision of the mucosa was performed in such a way to allow that, after the suture of the flaps, only the alveolar mucosa surround the test sites and the keratinized mucosa surround the control implants...
January 9, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29313133/influence-of-subcrestal-implant-placement-compared-with-equicrestal-position-on-the-peri-implant-hard-and-soft-tissues-around-platform-switched-implants-a-systematic-review-and-meta-analysis
#7
REVIEW
Cristina Valles, Xavier Rodríguez-Ciurana, Marco Clementini, Mariana Baglivo, Blanca Paniagua, Jose Nart
AIM: The aim of this article is to systematically review the effect of subcrestal implant placement compared with equicrestal position on hard and soft tissues around dental implants with platform switch. MATERIAL AND METHODS: A manual and electronic search (National Library of Medicine and Cochrane Central Register of Controlled Trials) was performed for animal and human studies published up to December 2016. Primary outcome variable was marginal bone level (MBL) and secondary outcomes were crestal bone level (CBL), soft tissue dimensions (barrier epithelium, connective tissue, and peri-implant mucosa), and changes in the position of soft tissue margin...
January 8, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29310921/does-patients-perception-of-leg-length-after-total-hip-arthroplasty-correlate-with-anatomical-leg-length
#8
Jean Y Lazennec, Dominique Folinais, Caroline Florequin, Aidin E Pour
BACKGROUND: This study assessed the correlation among the patients' perception of the leg length discrepancy (LLD) after total hip arthroplasty (THA) and the anatomical and functional leg length, pelvic and knee alignments, and foot height. METHODS: Patients without significant spinal pathology or previous spine or lower extremity surgery who underwent primary THA (101 patients) were evaluated using EOS images obtained in standing position. All 3-dimensional measures were evaluated and compared for the repeatability and reproducibility and correlation with patients' perception of leg length...
December 13, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29309975/anterior-versus-posterior-selective-fusion-in-treating-adolescent-idiopathic-scoliosis-a-systematic-review-and-meta-analysis-of-radiological-parameters
#9
Yang Lin, Wenjian Chen, Anmin Chen, Feng Li, Wei Xiong
OBJECTIVE: To compare the clinical efficacy of anterior and posterior approaches for selective thoracic fusion (STF) and selective thoracolumbar/lumbar fusion (SLF) in treating adolescent Idiopathic scoliosis (AIS). METHODS: English-language literature on selective fusion treatment of AIS published before September 2016 was retrieved from the PubMed, Embase, Cochrane, and Google Scholar databases. Studies were manually selected for inclusion based on preset criteria...
January 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29303764/treatment-of-gingival-recession-in-2-surgical-stages-free-gingival-graft-plus-coronally-positioned-flap
#10
Márcio Eduardo Vieira Falabella, Flávio Ferreira Nascimento Alvarenga, Kelly Barbosa Torquato Segalla, Silvana Rosa Lima Adão, Denise Gomes Silva, Carina Maciel Silva-Boghossian
Gingival recession is a common clinical condition that creates unfavorable esthetics and dentinal hypersensitivity. Treatment of gingival recession aims to create or increase keratinized tissue and provide root coverage. The aim of this article is to present 2 clinical cases of severe Miller Class II gingival recession with absence of keratinized tissue. Each patient was treated with a free gingival graft associated with a coronally positioned flap. Follow-up indicated that the use of the free gingival graft was effective in increasing keratinized tissue and in covering the recession in a satisfactory manner...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29302283/smear-layer-removal-evaluation-of-different-protocol-of-bio-race-file-and-xp-endo-finisher-file-in-corporation-with-edta-17-and-naocl
#11
Vahid Zand, Hadi Mokhtari, Mohammad-Frough Reyhani, Neda Nahavandizadeh, Shahram Azimi
Background: The aim of the present study was to compare the amount of the smear layer remaining in prepared root canals with different protocols of Bio RaCe files and XP-endo Finisher file (XPF) in association with 17% EDTA and sodium hypochlorite solution. Material and Methods: A total of 68 extracted single-rooted teeth were randomly divided into 4 experimental groups (n=14) and two control groups (n=6). The root canals were prepared with Bio RaCe files (FKG Dentaire, Switzerland) using the crown-down technique based on manufacturer's instructions and irrigated according to the following irrigation techniques: Group 1: XPF with 2 mL of 2...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29299497/comparison-of-clinical-outcomes-between-different-femoral-tunnel-positions-after-anterior-cruciate-ligament-reconstruction-surgery
#12
Seyed M Kazemi, Mohammad R Abbasian, Ali A Esmailijah, Ali Zafari, Zahra Salehi Shahrbabaki, Amir H Keshavarz, Nina Esmaeilijah, Farshad Safdari
Background: It has been shown that the proper placement of ACL graft during the ACL reconstruction surgery significantly improves the clinical outcomes. This study investigated whether a change in the femoral tunnel position in both axial and coronal planes can significantly alter the postoperative functional and clinical outcomes of the patients. Methods: This comparative, retrospective, single-center study was performed on 44 patients undergone single-bundle anterior cruciate ligament reconstruction (ACLR)...
November 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29283207/hard-tissue-volume-stability-of-guided-bone-regeneration-during-the-healing-stage-in-the-anterior-maxilla-a-clinical-and-radiographic-study
#13
Xi Jiang, Yu Zhang, Ping Di, Ye Lin
BACKGROUND: Guided bone regeneration (GBR) is currently the most widely used technique to reconstruct localized peri-implant bone defects. OBJECTIVES: To evaluate hard tissue volume stability during the healing stage of GBR with particulate bone graft and resorbable collagen membrane. MATERIALS AND METHODS: Twenty-eight patients who were missing a single maxillary incisor and required implant placement combined with GBR were randomly assigned to 2 groups: submerged (n = 14) and transmucosal (n = 14) healing groups...
December 28, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29279728/a-comparison-of-er-yag-laser-with-photon-initiated-photoacoustic-streaming-nd-yag-laser-and-conventional-irrigation-on-the-eradication-of-root-dentinal-tubule-infection-by-enterococcus-faecalis-biofilms-a-scanning-electron-microscopy-study
#14
Burcu Ozses Ozkaya, Kamran Gulsahi, Mete Ungor, Julide Sedef Gocmen
This study evaluated the antimicrobial efficacy of Er:YAG laser activation with photon-initiated photoacoustic streaming (PIPS), Nd:YAG laser disinfection, and conventional irrigation on Enterococcus faecalis biofilms using scanning electron microscopy (SEM). Biofilms were grown on 110 root halves and divided into the following: Groups 1 and 2 (saline and 1% NaOCl with apical position of PIPS, resp.), Groups 3 and 4 (saline and 1% NaOCl with coronal position of PIPS, resp.), Groups 5 and 6 (Nd:YAG laser after saline and 1% NaOCl irrigation, resp...
2017: Scanning
https://www.readbyqxmd.com/read/29279023/knobby-eye-syndrome
#15
Joseph L Demer
INTRODUCTION: A spherical globe is traditionally assumed, but this study employed magnetic resonance imaging (MRI) to demonstrate frequent occurrence of non-spherical staphylomata in strabismic patients. METHODS: High-resolution, surface coil MRI was obtained in multiple image planes in 21 highly myopic subjects (36 eyes) and compared with 17 normal controls (33 eyes). Images were analyzed for axial length, aspect ratio of eye shape, and deflection of muscle paths...
December 26, 2017: Strabismus
https://www.readbyqxmd.com/read/29277977/developmental-signature-synaptic-connectivity-and-neurotransmission-are-conserved-between-vertebrate-hair-cells-and-tunicate-coronal-cells
#16
Francesca Rigon, Fabio Gasparini, Sebastian M Shimeld, Simona Candiani, Lucia Manni
In tunicates, the coronal organ represents a sentinel checking particle entrance into the pharynx. The organ differentiates from an anterior embryonic area considered a proto-placode. For their embryonic origin, morphological features and function, coronal sensory cells have been hypothesized to be homologues to vertebrate hair cells. However, vertebrate hair cells derive from a posterior placode. This contradicts one of the principle historical criteria for homology, similarity of position, which could be taken as evidence against coronal cells/hair cells homology...
December 26, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29251688/melanopsin-retinal-ganglion-cells-are-not-labeled-in-thy-1yfp-16-transgenic-mice
#17
Stephanie L Grillo, Salvatore L Stella
Retinal ganglion cells (RGCs) that express the photopigment melanopsin (mRGCs) are photosensitive and initiate the non-image-forming pathway, where the majority of their axons terminate in the suprachiasmatic nucleus (SCN). RGCs only make up approximately half of the cells in the ganglion cell layer of the retina; therefore, it is important to be able to distinguish them from other cell types. The transgenic Thy-1 YFP mouse line 16 (Thy-1 YFP-16) expresses yellow-fluorescent protein (YFP) in projection neurons, including RGCs...
January 17, 2018: Neuroreport
https://www.readbyqxmd.com/read/29245139/scapular-focused-exercise-treatment-protocol-for-shoulder-impingement-symptoms-three-dimensional-scapular-kinematics-analysis
#18
Gisele Harumi Hotta, Adriane Lopes Santos, Kevin James McQuade, Anamaria Siriani de Oliveira
BACKGROUND: The present study aimed to describe the effects of a periscapular strengthening and neuromuscular training protocol in three-dimensional scapular kinematics and resting positioning in participants with shoulder impingement symptoms. Self-reported function was also evaluated. METHOD: The study group comprised 50 subjects with shoulder impingement syndrome (control group, n=25; treatment group, n=25). The treatment group underwent 8weeks of neuromuscular training and periscapular strengthening...
December 11, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29240201/coronally-advanced-flap-with-site-specific-application-of-connective-tissue-graft-for-the-treatment-of-multiple-adjacent-gingival-recessions-a-3-year-follow-up-case-series
#19
Martina Stefanini, Giovanni Zucchelli, Matteo Marzadori, Massimo de Sanctis
The aim of this study was to evaluate the short- (1 year) and longer-term (3 years) effectiveness of a surgical procedure combining coronally advanced flap (CAF) with site-specific application of connective tissue graft (CTG) in the treatment of multiple gingival recessions (MGR). A total of 60 periodontally healthy subjects with esthetic complaints due to excessive tooth length presenting multiple (at least three) Miller Class I and II gingival recession defects (≥ 1 mm) affecting adjacent teeth in the maxilla and mandible were enrolled in the study...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29236207/factors-related-to-disagreement-in-implant-size-between-preoperative-ct-based-planning-and-the-actual-implants-used-intraoperatively-for-total-hip-arthroplasty
#20
Takeshi Ogawa, Masaki Takao, Takashi Sakai, Nobuhiko Sugano
PURPOSE: In total hip arthroplasty, prediction of the optimal implant size is important in order to prevent perioperative complications. However, it is not easy to achieve complete agreement between the planned size and the actual size required appropriate implant fit. No previous report has adequately discussed the factors related to mismatch between predicted and actual implant sizes. The purpose was to report the results of a single surgeon case series of patients undergoing THA using computed tomography (CT)-based templating and the possible factors related to implant size mismatch...
December 13, 2017: International Journal of Computer Assisted Radiology and Surgery
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