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https://www.readbyqxmd.com/read/28412801/-preliminary-report-on-the-application-of-femtosecond-laser-assisted-anterior-capsulotomy-in-intumescent-white-cataract-surgery
#1
T T Peng, Y Wang, X Y Bao
Objective: To assess the effect of femtosecond laser-assisted anterior capsulotomy in intumescent white cataract surgery. Methods: Retrospective case series study. One hundred and fifty cataract patients (150 eyes) from June 2014 to June 2015 in Wuhan Aier ophthalmology hospital were enrolled in this study. They were divided into three groups: 50 intumescent white cataract patients (50 eyes) in the study group were performed femtosecond laser-assisted capsulotomy (LenSx system) operation selectively. Fifty intumescent white cataract patients (50 eyes) underwent normal manual continuous circular capsulorhexis as the control group 1...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28412800/-visual-quality-comparison-after-multifocal-toric-intraocular-lens-or-monofocal-toric-intraocular-lens-implantation
#2
K Feng, H K Guo, Y L Zhang, Z Wu
Objective: To compare visual quality and satisfaction after multifocal toric intraocular lens (Acrysof IQ Restor toric, ART) and monofocal toric intraocular lens implantation in patients. Methods: It was a prospective nonrandomized Phase Ⅲ clinical trial. Patients with age-related cataract and corneal astigmatism were enrolled and accepted phacoemulsification combined with implantation of intraocular lens (IOL) in Henan Provincial Eye Hospital during March 2013 to December 2014. Fifty-six cases were divided into two groups according to which IOL they chose...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28412799/-long-term-outcomes-after-cataract-surgery-in-infants-with-congenital-cataract
#3
J Y Qi, W Xiao, M Y Wang, D X Zhao, W Pu
Objective: To observe the long-term outcomes after congenital cataract surgery performed prior to 36 months of age. Methods: A retrospective case study was conducted. Thirty-two cases (57 eyes) of congenital cataract were included from January 2004 to January 2012. All patients received intraocular lens (IOL) implantation with posterior continuous curvilinear capsulorhexies and anterior vitrectomy after cataract extraction and were followed up. At the last visit, the best corrected visual acuity (BCVA) was determined and postoperative complications were evaluated during follow-up with a longest time of 13 years...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28412798/-intraocular-lens-power-calculation-for-high-myopic-eyes-with-cataract-comparison-of-three-formulas
#4
X J Zhu, W W He, Y Du, D J Qian, J H Dai, Y Lu
Objective: To compare the accuracy of three different formulas for intraocular lens power calculation in high myopic eyes with cataract and analyze their influencial factors. Methods: One hundred and three high myopic patients of cataract (103 eyes), with average age of 60.2±8.8 years old (39.0-77.0), including 45 male and 54 female and with axial length ≥ 26 mm were enrolled in this retrospective case-series study. All of them underwent routine ocular examination and IOLMastermeasurement preoperatively and then underwent phacoemulsification through temporal clear-corneal incision with implantation of HumanOptic posterior chamber Intraocular lens (IOL)...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28412796/-multiple-issues-in-multifocal-intraocular-lens
#5
Z H Li, Z Ye, Y Huang
The occurrence of multifocal intraocular lens (MIOL) is known as an important period in the development of cataract surgery, which can provide a simultaneous vision without the use of spectacles or contact lenses. However, in the current stage, MIOL implantation may also lead to decreased visual acuity and increased risk of photic phenomena, thus in some instance a second procedure to exchange the MIOL is necessary. Optimizing visual outcomes of MIOL implantation and controlling adverse effects has become the focus for ophthalmologists...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28402354/simultaneous-ridge-augmentation-and-accelerated-molar-uprighting-for-implant-site-development-two-case-reports-with-a-split-mouth-design
#6
Chin-Wei Wang, Michelle Yuching Chou, Rebecca Chen, Todd Rowe, Mohamed Masoud, David M Kim, Giuseppe Intini
Well-coordinated interdisciplinary dental treatments provide the best esthetic, functional, and long-term results for patients. However, the length of such treatment, which may involve orthodontics, ridge augmentation, and dental implants, often deters patients from pursuing them. The two case reports presented here aim to present the advantage of simultaneous orthodontic molar uprighting and ridge augmentation procedures for future implant site development. Selective decortication of the alveolar bone, performed simultaneously with bone grafting, can accelerate the tooth uprighting process and synergistically reduce treatment duration...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28398151/assessing-bone-type-of-implant-recipient-sites-by-stereomicroscopic-observation-of-bone-core-specimens-a-comparison-with-the-assessment-using-dental-radiography
#7
Min-Wen Fu, E-Chin Shen, Earl Fu, Fu-Gong Lin, Tian-You Wang, Hsien-Chung Chiu
BACKGROUND: We aimed to determine if bone quality evaluation of surgically obtained bone core specimens using a stereomicroscope is reliable for determining bone quality at implant recipient sites. METHODS: Bone quality was pre-surgically assessed in 122 edentulous ridges obtained from 62 patients using periapical radiographs and categorized according to the Lekholm and Zarb classification. During surgery, bone specimens were trephined, and bone types were immediately classified using a stereomicroscope...
March 10, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28374431/characteristics-of-intrabony-nerve-canals-in-mandibular-interforaminal-region-by-using-cone-beam-computed-tomography-and-a-recommendation-of-safe-zone-for-implant-and-bone-harvesting
#8
Xiang-Wen Yang, Fei-Fei Zhang, Yi-Han Li, Bin Wei, Yao Gong
BACKGROUND: Cone-beam computed tomography can accurately show anatomic structure of intrabony nerve canals in mandibular interforaminal region. PURPOSE: The aim was to evaluate the characteristics of intrabony nerve canals in mandibular interforaminal region by using cone-beam computed tomography (CBCT) and determine a safe zone for implant and bone harvesting. MATERIALS AND METHODS: Hemimandibles (824) CBCT images were obtained. The length of the anterior loop (AL), the length and diameter of the mandibular incisive canal (MIC) and its spatial distance in various landmarks were measured...
February 3, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28339041/tanshinone-iia-increases-protein-expression-levels-of-perk-atf6-ire1%C3%AE-chop-caspase%C3%A2-3-and-caspase%C3%A2-12-in-pancreatic-cancer-bxpc%C3%A2-3-cell%C3%A2-derived-xenograft-tumors
#9
Tsung-Lang Chiu, Chin Cheng Su
Tanshinone (Tan)-IIA is a derivative of phenanthrenequinone and the main active ingredient isolated from Salviae miltiorrhizae radix (Danshen). Previous studies have demonstrated that Tan‑IIA increased the protein expressions levels of protein kinase RNA‑like endoplasmic reticulum kinase (PERK), activating transcription factor (ATF) 6, caspase‑12 and CCAAT‑enhancer‑binding protein homologous protein (CHOP), to induce endoplasmic reticulum (ER) stress and apoptosis in human pancreatic cancer BxPC‑3 cells...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338421/harnessing-the-osteogenicity-of-in-vitro-stem-cell-derived-mineralized-extracellular-matrix-as-3d-biotemplate-to-guide-bone-regeneration
#10
Yoke Chin Chai, Johanna Bolander, Ioannis Papantoniou, Jennifer Patterson, Jef Vleugels, Jan Schrooten, Frank P Luyten
Advanced biomaterials that are capable of guiding robust bone regeneration are highly demanded for translational therapy of bone defects or bone augmentation in clinics. One of the strategic approaches is to produce tissue engineering (TE) constructs that mediate bone regeneration by recapitulating the natural bone formation or healing process. In this study, we aimed at producing devitalized mineralized carriers with augmented bone forming capacity via a modified culture protocol (i.e., culture conditions with high calcium and/or phosphate concentrations) that first promotes cell growth and, subsequently, mineralized extracellular matrix (ECM) deposition by human periosteum-derived osteoprogenitor cells (hPDCs) on additive manufactured three-dimensional (3D) porous titanium (Ti)-based scaffolds...
March 24, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28335666/control-of-dental-derived-induced-pluripotent-stem-cells-through-modified-surfaces-for-dental-application
#11
Hyunmin Choi, Kyu-Hyung Park, Ah-Reum Lee, Chin Hee Mun, Yong Dae Shin, Yong-Beom Park, Young-Bum Park
OBJECTIVE: The aim of this study is to investigate the behaviour of iPSc derived from dental stem cells in terms of initial adhesion, differentiation potential on differently surface-treated titanium disc. MATERIALS AND METHODS: iPSc derived from human gingival fibroblasts (hGFs) were established using 4-reprogramming factors transduction with Sendai virus. The hGF-iPSc established in this study exhibited the morphology and growth properties similar to human embryonic stem (ES) cells and expressed pluripotency makers...
March 23, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28320686/characteristics-of-early-versus-late-in-stent-restenosis-in-second-generation-drug-eluting-stents-an-optical-coherence-tomography-study
#12
Lei Song, Gary S Mintz, Dong Yin, Myong Hwa Yamamoto, Chee Yang Chin, Mitsuaki Matsumura, Ajay J Kirtane, Manish A Parikh, Jeffrey W Moses, Ziad A Ali, Richard A Shlofmitz, Akiko Maehara
AIMS: In-stent restenosis (ISR) is an important cause of DES failure and target vessel revascularization. We evaluated differences between early and late-presenting restenosis in second-generation drug-eluting stents (DES) using optical coherence tomography (OCT). METHODS AND RESULTS: Overall, 171 cases of second-generation DES ISR with a follow-up OCT minimum lumen area <3.0mm2 were included; 33.3% of patients (n=57) had early ISR; and 67.7% (n=114) had late ISR (duration from stent implantation >1 year)...
March 21, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28286279/management-of-esophageal-and-pharyngeal-perforation-as-complications-of-anterior-cervical-spine-surgery
#13
Moo Sung Kang, Kyung Hyun Kim, Jeong Yoon Park, Sung Uk Kuh, Dong Kyu Chin, Byung Ho Jin, Keun Su Kim, Yong Eun Cho
OBJECTIVE: To describe our experience in treating esophageal and pharyngeal perforation after anterior cervical spine surgery. METHODS: Six patients with esophageal injury and one patient with pharyngeal injury after anterior cervical spinal surgery, managed at our department between 2000 and 2015, were retrospectively analyzed. RESULTS: During the study period, seven patients (six male and one female; mean age, 45 years) presented with esophageal perforation...
March 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28281026/neoatherosclerosis-assessed-with-optical-coherence-tomography-in-restenotic-bare-metal-and-first-and-second-generation-drug-eluting-stents
#14
Lei Song, Gary S Mintz, Dong Yin, Myong Hwa Yamamoto, Chee Yang Chin, Mitsuaki Matsumura, Khady Fall, Ajay J Kirtane, Manish A Parikh, Jeffrey W Moses, Ziad A Ali, Richard A Shlofmitz, Akiko Maehara
Although reported in bare metal stents (BMS) and first-generation drug-eluting stents (DES), little is known about neoatherosclerosis in second-generation DES. We used optical coherence tomography to evaluate neoatherosclerosis among different stent generations. Overall, 274 in-stent restenosis (ISR) lesions (duration from implantation 56.9 ± 47.2 months) in 274 patients were assessed for the presence of neoatherosclerosis. Neoatherosclerosis was identified in 38.7% of lesions (106/274): 23.0% second-generation DES (38/165), 65...
March 9, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28280785/cost-effectiveness-analysis-of-quadripolar%C3%A2-versus-bipolar-left-ventricular-leads-for-cardiac-resynchronization-defibrillator-therapy%C3%A2-in%C3%A2-a-large-multicenter-uk%C3%A2-registry
#15
Jonathan M Behar, Hui Men Selina Chin, Steve Fearn, Julian O M Ormerod, James Gamble, Paul W X Foley, Julian Bostock, Simon Claridge, Tom Jackson, Manav Sohal, Antonios P Antoniadis, Reza Razavi, Tim R Betts, Neil Herring, Christopher Aldo Rinaldi
OBJECTIVES: The objective of this study was to evaluate the cost-effectiveness of quadripolar versus bipolar cardiac resynchronization defibrillator therapy systems. BACKGROUND: Quadripolar left ventricular (LV) leads for cardiac resynchronization therapy reduce phrenic nerve stimulation (PNS) and are associated with reduced mortality compared with bipolar leads. METHODS: A total of 606 patients received implants at 3 UK centers (319 Q, 287 B), between 2009 and 2014; mean follow-up was 879 days...
February 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/28277416/incidence-and-risk-factors-of-hardware-related-complications-after-proximal-femoral-osteotomy-in-children-and-adolescents
#16
Myung Ki Chung, Soon-Sun Kwon, Byung Chae Cho, Gye Wang Lee, Jaeyoung Kim, Seung Jun Moon, Jae Woo Lee, Chin Youb Chung, Ki Hyuk Sung, Kyoung Min Lee, Moon Seok Park
Proximal femoral osteotomy has been used in cerebral palsy, Perthes disease, hip dysplasia, idiopathic femoral anteversion, and various hip diseases in children and adolescents. Conventionally, a blade plate (BP) has been used. However, the pediatric locking compression plate (LCP) has recently been applied widely. We compared the hardware-related complications of the BP and the LCP as well as the factors influencing these complications in patients who have undergone a proximal femoral osteotomy in children and adolescents...
March 8, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28277210/pitch-matching-between-electrical-stimulation-of-a-cochlear-implant-and-acoustic-stimuli-presented-to-a-contralateral-ear-with-residual-hearing
#17
Chin-Tuan Tan, Brett Martin, Mario A Svirsky
BACKGROUND: Cochlear implants (CIs) successfully restore hearing in postlingually deaf adults, but in doing so impose a frequency-position function in the cochlea that may differ from the physiological one. PURPOSE: The CI-imposed frequency-position function is determined by the frequency allocation table programmed into the listener's speech processor and by the location of the electrode array along the cochlea. To what extent can postlingually deaf CI users successfully adapt to the difference between physiological and CI-imposed frequency-position functions? RESEARCH DESIGN: We attempt to answer the question by combining behavioral measures of electroacoustic pitch matching (PM) and measures of electrode location within the cochlea...
March 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28252668/aggretin-venom-polypeptide-as-a-novel-anti-angiogenesis-agent-by-targeting-integrin-alpha2beta1
#18
Ching Hu Chung, Chien Hsin Chang, Chun Chieh Hsu, Kung Tin Lin, Hui Chin Peng, Tur Fu Huang
VEGF and VEGFR antibodies have been used as a therapeutic strategy to inhibit angiogenesis in many diseases; however, frequent and repeated administration of these antibodies to patients induces immunogenicity. In previous studies, we demonstrated that aggretin, a heterodimeric snake venom C-type lectin, exhibits pro-angiogenic activities via integrin α2β1 ligation. We hypothesised that small-mass aggretin fragments may bind integrin α2β1 and act as antagonists of angiogenesis. In this study, the anti-angiogenic efficacy of a synthesised aggretin α-chain C-terminus (AACT, residue 106-136) was evaluated in both in vitro and in vivo angiogenesis models...
March 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28213096/ectopic-tissue-engineered-ligament-with-silk-collagen-scaffold-for-acl-regeneration-a-preliminary-study
#19
Jisheng Ran, Yejun Hu, Huihui Le, Yangwu Chen, Zefeng Zheng, Xiao Chen, Zi Yin, Ruijian Yan, Zhangchu Jin, Chenqi Tang, Jiayun Huang, Yanjia Gu, Langhai Xu, Shengjun Qian, Wei Zhang, Boon Chin Heng, Pioletti Dominique, Weishan Chen, Lidong Wu, Weiliang Shen, Hongwei Ouyang
Anterior cruciate ligament (ACL) reconstruction remains a formidable clinical challenge because of the lack of vascularization and adequate cell numbers in the joint cavity. In this study, we developed a novel strategy to mimic the early stage of repair in vivo, which recapitulated extra-articular inflammatory response to facilitate the early ingrowth of blood vessels and cells. A vascularized ectopic tissue engineered ligament (ETEL) with silk collagen scaffold was developed and then transferred to reconstruct the ACL in rabbits without interruption of perfusion...
February 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28209272/midterm-clinical-and-radiographic-results-of-mobile-bearing-revision-total-knee-arthroplasty
#20
Raymond H Kim, J Ryan Martin, Douglas A Dennis, Charlie C Yang, Jason M Jennings, Gwo-Chin Lee
BACKGROUND: Constrained implants are frequently required in revision total knee arthroplasty (TKA) and are associated with an increase in aseptic component loosening and damage or wear to the constraining mechanisms, compared with primary TKA. The purpose of the following study was to evaluate the midterm clinical and radiographic results including the incidence of bearing complications in a group of patients undergoing revision TKA using mobile-bearing revision TKA implants. METHODS: We retrospectively reviewed 316 consecutive mobile-bearing revision TKAs performed at 2 centers between 2006 and 2010...
January 20, 2017: Journal of Arthroplasty
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