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https://www.readbyqxmd.com/read/29343287/percutaneous-kyphoplasty-for-the-treatment-of-very-severe-osteoporotic-vertebral-compression-fractures-with-spinal-canal-compromise
#1
Heng Wang, Zongyu Zhang, Yijie Liu, Weimin Jiang
BACKGROUND: Very severe osteoporotic vertebral compression fractures (vsOVCFs) are osteoporotic vertebral compression fractures with vertebral body collapse to less than one third of their original height. Few data are available about the use of percutaneous kyphoplasty (PKP) in treating vsOVCFs with spinal canal compromise. The aim of this study was to evaluate the safety and efficacy of percutaneous kyphoplasty (PKP) for the treatment of vsOVCFs with spinal canal compromise. METHODS: Thirty-five patients who suffered vsOVCFs with spinal canal compromise but without neurological deficits were treated by PKP between January 2009 and October 2014...
January 17, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29325387/-clinical-effects-of-pediatric-penetrating-keratoplasty-for-congenital-corneal-opacity
#2
S W Li, C Liu, T H Chen, J H Ning, T Zhang, F J Lyu, M Xu
Objective: To report the clinical results of pediatric penetrating keratoplasty (PKP) in patients under 3 years old with congenital corneal opacity. Methods: Retrospective study. Sixteen eyes of 12 patients who were treated with PKP in Aier Eye Hospital Group from June 2009 to December 2016 were enrolled in this study. All the patients were diagnosed as congenital corneal opacities: 8 cases (11 eyes) with Peter's anomaly I, 2 cases (3 eyes) with sclerocornea, and 2 cases (2 eyes) with corneal dermoid tumor combined with iris synechia...
December 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29301767/avoiding-big-bubble-complications-outcomes-of-layer-by-layer-deep-anterior-lamellar-keratoplasty-in-children
#3
Uri Elbaz, Caitriona Kirwan, Carl Shen, Asim Ali
BACKGROUND/AIMS: To describe the visual and clinical outcomes of manual layer-by-layer deep anterior lamellar keratoplasty (DALK) in a paediatric population. METHODS: The charts of all children who underwent DALK surgery between January 2007 and January 2015 were reviewed retrospectively. Data collected included preoperative and postoperative spectacle-corrected distance visual acuity (CDVA), intraoperative and postoperative complications including graft rejection and failure...
January 4, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29298277/impact-of-magnetic-resonance-imaging-on-treatment-related-decision-making-for-osteoporotic-vertebral-compression-fracture-a-prospective-randomized-trial
#4
Cong Jin, Guojian Xu, Dong Weng, Minghua Xie, Yu Qian
BACKGROUND The aim of this study was to analyze the impact and usefulness of characteristic signal change of a linear black signal on magnetic resonance imaging (MRI) on treatment-related decision making. MATERIAL AND METHODS Forty-one patients with a linear black signal on MRI were enrolled in this prospective study. They were randomly divided into the percutaneous kyphoplasty (PKP) group (n=24) and the conservative treatment group (n=17). Clinical measures, including visual analog scale (VAS) and short-form 36 (SF-36) questionnaire, were analyzed...
January 3, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29296552/endothelial-cell-loss-in-penetrating-keratoplasty-endothelial-keratoplasty-and-deep-anterior-lamellar-keratoplasty
#5
Bo-I Ku, Yi-Ting Hsieh, Fung-Rong Hu, I-Jong Wan, Wei-Li Chen, Yu-Chih Hou
PURPOSE: To compare endothelial cell density (ECD) loss rates in penetrating keratoplasty (PKP), Descemet's stripping automated endothelial keratoplasty (DSAEK), and deep anterior lamellar keratoplasty (DALK). DESIGN: Single-center, multiple-surgeon, retrospective cohort study. MATERIALS AND METHODS: Patients who received PKP, DSAEK, or DALK from 2009 to 2014 were analyzed (68 vs. 38 vs. 11 patients, respectively). We excluded patients with therapeutic PKP or regraft, infection, endothelial rejection, or uncontrolled glaucoma...
October 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29274023/vector-analysis-of-femtosecond-laser-assisted-astigmatic-keratotomy-after-deep-anterior-lamellar-keratoplasty-and-penetrating-keratoplasty
#6
Fouad anNakhli, Ashbala Khattak
PURPOSE: To compare the refractive and keratometric changes induced by femtosecond laser astigmatic keratotomy (AK) for suture-out post-keratoplasty astigmatism in deep anterior lamellar keratoplasty (group I) and penetrating keratoplasty (group II). SETTING: Dhahran Eye Specialist Hospital, Dhahran, Saudi Arabia. DESIGN: Retrospective, comparative, interventional study. METHODS: This study comprised 15 eyes in group I and 35 eyes in group II...
December 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29239241/tuberculous-spondylitis-after-vertebral-augmentation-a-case-report-with-a-literature-review
#7
Sun Jia-Jia, Sun Zhi-Yong, Qian Zhong-Lai, Yang Hui-Lin, Zhu Xiao-Yu
Tuberculous spondylitis of vertebral augmentation following percutaneous vertebroplasty or kyphoplasty is rare. We report an unusual case of tuberculous spondylitis diagnosed after percutaneous kyphoplasty (PKP). A 54-year-old woman presented to hospital complaining of back pain following a fall 20 days prior. Radiology showed an acute osteoporotic compression (L3 fracture). The patient denied a history of pulmonary tuberculosis and there were no signs of infection. The patient was discharged from hospital 2 days after undergoing L3 PKP with a dramatic improvement in her back pain...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/29236682/is-it-beneficial-to-reuse-the-balloon-in-percutaneous-kyphoplasty-for-the-treatment-of-non-neoplastic-vertebral-compression-fractures
#8
Zehao Jing, Qi Sun, Jianli Dong, Fanqi Meng, Youzhi Song, Tonglin Xia, Jia Luo, Yanqiang Li, Feng Nan
BACKGROUND Percutaneous kyphoplasty (PKP) has been widely used to treat vertebral compression fractures (VCFs). Bilateral percutaneous punctures are always performed to access the fractured vertebrae. However, the procedure has expensive clinical costs, especially the cost for the device, which creates a heavy financial burden for patients. MATERIAL AND METHODS Data from 49 patients who have single-level non-neoplastic vertebral compression fracture (VCF) were collected for 12 months after treated by PKP, including 21 cases that used bilateral puncture with single balloon (S group) and 28 cases that used bilateral puncture with double balloon (D group)...
December 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29227340/corneal-transplantation-in-new-zealand-2000-to-2009
#9
Alexandra Z Crawford, Thiyagaraj Krishnan, Susan E Ormonde, Dipika V Patel, Charles N McGhee
PURPOSE: To quantify all minor/major adverse events in a large cohort of consecutive corneal transplants, particularly in respect to penetrating keratoplasty (PKP). METHODS: All corneal transplants in the Auckland region over a 10-year period (2000-2009) were identified through the New Zealand National Eye Bank. Relevant clinical records were assessed for this period and 2 years after. All intraoperative or postoperative adverse events/complications, visual acuity, and graft outcomes were recorded...
December 8, 2017: Cornea
https://www.readbyqxmd.com/read/29215395/topical-tacrolimus-as-adjuvant-therapy-to-corticosteroids-in-acute-endothelial-graft-rejection-after-penetrating-keratoplasty-a-randomized-controlled-trial
#10
Mohammad Nasser Hashemian, Golshan Latifi, Reza Ghaffari, Hamed Ghassemi, Mehran Zarei Ghanavati, Seyed-Farzad Mohammadi, Mehdi Yasseri, Mohammad Reza Fallah Tafti, Zahra Fallah Tafti
PURPOSE: To evaluate the efficacy of topical tacrolimus 0.05% as adjuvant therapy to corticosteroids in the treatment of acute endothelial rejection of a penetrating keratoplasty (PKP) graft. METHODS: Patients with the clinical diagnosis of acute endothelial rejection of a PKP graft were randomized into 2 groups-group 1: receiving topical tacrolimus 0.05% as adjuvant therapy to corticosteroid treatment and group 2: receiving only corticosteroid treatment. Main outcome measures were rejection reversal, time to rejection reversal, and recurrence of rejection...
December 5, 2017: Cornea
https://www.readbyqxmd.com/read/29215394/visual-outcomes-and-aberrometric-changes-with-topography-guided-photorefractive-keratectomy-treatment-of-irregular-astigmatism-after-penetrating-keratoplasty
#11
Francisco Bandeira E Silva, Rossen Mihaylov Hazarbassanov, Eduardo Martines, José Luis Güell, Ana L Hofling-Lima
PURPOSE: To evaluate the visual acuity and keratometric and aberrometric changes in patients with corneal transplants (PKP), who underwent topography-guided photorefractive keratectomy (TG-PRK) with mitomycin C (MMC). METHODS: In this case study, 15 patients with spherical equivalents ranging from -11.00 to -0.25 diopters (D) who underwent penetrating corneal transplantation and had irregular astigmatism ranging from -7.5 to -2.0 D underwent TG-PRK with MMC. Corneal topography and wavefront of all patients were measured preoperatively and 12 months postoperatively...
December 5, 2017: Cornea
https://www.readbyqxmd.com/read/29181305/histopathologic-findings-of-keratoconus-corneas-underwent-penetrating-keratoplasty-according-to-topographic-measurements-and-keratoconus-severity
#12
Mohammad Naderan, Ali Jahanrad, Siavash Balali
AIM: To investigate the histopathologic and morphological changes of the corneas with keratoconus (KC) undergoing penetrating keratoplasty (PKP) according to topographic findings and severity of KC. METHODS: The corneal tissue of 35 samples with KC was retrospectively evaluated with conventional light microscopy. Topographic and pachymetric parameters of keratoconus corneas by means of Pentacam such as mean keratometry (K) and central corneal thickness (CCT) were recorded...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141521/incremental-temperature-cement-delivery-technique-may-prevent-cement-leakage-in-metastatic-vertebral-lesions
#13
Hao Liu, Shenghao Wang, Tao Liu, Bin Meng, Fan He, Rong Zhou, Huilin Yang
OBJECTIVES: To analyze the clinical efficacy and cement leakage rate of percutaneous kyphoplasty (PKP) for the treatment of metastatic vertebral lesions between the two groups using different cement infusion techniques. METHODS: One hundred twenty-nine patients (160 metastatic vertebral fractures) who chose "the incremental temperature cement delivery technique" (ITCDT group) and 105 patients (128 metastatic vertebral fractures) who chose "traditional infusion technique" (TI group) were finally enrolled (nine patients were lost to the follow-up)...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29120715/new-pinhole-sulcus-implant-for-the-correction-of-irregular-corneal-astigmatism
#14
Claudio C Trindade, Bruno C Trindade, Fernando C Trindade, Liliana Werner, Robert Osher, Marcony R Santhiago
PURPOSE: To evaluate the effect on visual acuity of the implantation of a new intraocular pinhole device (Xtrafocus) in cases of irregular corneal astigmatism with significant visual impairment. SETTING: University of São Paulo, São Paulo, Brazil. DESIGN: Prospective case series. METHODS: Pseudophakic eyes of patients with irregular corneal astigmatism were treated with the pinhole device. The causes of irregular corneal astigmatism were keratoconus, post radial keratotomy (RK), post-penetrating keratoplasty (PKP), and traumatic corneal laceration...
October 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29116357/injectable-biomechanically-robust-biodegradable-and-osseointegrative-bone-cement-for-percutaneous-kyphoplasty-and-vertebroplasty
#15
Huiling Liu, Bin Liu, Chunxia Gao, Bin Meng, Huilin Yang, Haiyang Yu, Lei Yang
PURPOSE: Poly(methyl methacrylate) (PMMA) cement is widely used for percutaneous kyphoplasty and vertebroplasty (PKP and PVP) but possesses formidable shortcomings due to non-degradability. Here, a biodegradable replacement is developed. METHODS: Calcium phosphate cement (CPC) was redesigned by incorporating starch and BaSO4 (new cement named as CPB). The biomechanical, biocompatibility, osseointegrative and handling properties of CPB were systematically evaluated in vitro and in vivo by the models of osteoporotic sheep vertebra, rat subcutaneous implantation and rat femoral defect...
November 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29104070/the-role-of-amniotic-membrane-extract-eye-drop-ameed-in-in-vivo-cultivation-of-limbal-stem-cells
#16
Alireza Baradaran-Rafii, Niloufar Shayan Asl, Marzieh Ebrahimi, Sayena Jabbehdari, Shahram Bamdad, Danial Roshandel, Medi Eslani, Maryam Momeni
BACKGROUND: Limbal stem cell transplantation (LSCT) is the definitive treatment for total limbal stem cell deficiency (LSCD). This study evaluates the anatomical and visual outcomes of a surgical technique supplemented by amniotic membrane extract eye drop (AMEED) for in vivo cultivation of limbal stem cells (LSCs). METHODS: One small limbal block (2 × 1 mm) harvested from the contralateral healthy eye was transferred to the diseased eye, which had been already covered by cryopreserved amniotic membrane (N = 20)...
November 2, 2017: Ocular Surface
https://www.readbyqxmd.com/read/29101713/muscle-relaxants-as-a-risk-factor-for-vis-%C3%A3-tergo-during-penetrating-keratoplasty-a-prospective-interventional-study
#17
Miltiadis Fiorentzis, Emanuela Morinello, Anja Viestenz, Hanna Zuche, Berthold Seitz, Arne Viestenz
INTRODUCTION: This study aimed to investigate the influence of three muscle relaxants on intraocular pressure (IOP), ocular pulse amplitude (OPA), and vis-à-tergo (VAT) in patients undergoing penetrating keratoplasty (PKP) under general anesthesia. METHODS: Ninety-five patients undergoing PKP were included in this prospective single-center interventional study. IOP and OPA were measured with a dynamic contour tonometer before and 5 min after onset of general anesthesia...
November 3, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/29030463/efficacy-and-safety-of-the-target-puncture-technique-for-treatment-of-osteoporotic-vertebral-compression-fractures-with-intravertebral-clefts
#18
Weibo Yu, De Liang, Xiaobing Jiang, Zhensong Yao, Ting Qiu, Linqiang Ye
OBJECTIVE: To compare the efficacy and safety of our target puncture technique with the traditional technique during percutaneous kyphoplasty (PKP) for osteoporotic vertebral compression fractures (OVCFs) with intravertebral clefts (IVCs). METHODS: 104 patients treated with PKP for single OVCFs with IVCs were retrospectively reviewed. All patients were divided into three groups: cleft filling by the traditional technique (Group A, n=18); interdigitated filling (Group B, n=50); and overfilling by the target technique (Group C, n=36)...
November 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28969223/evaluation-of-percutaneous-vertebroplasty-for-management-of-symptomatic-osteoporotic-compression-fracture
#19
Arnab Karmakar, Suchi Acharya, Dibyendu Biswas, Arkaprabha Sau
INTRODUCTION: Osteoporotic vertebral compression fractures are a leading cause of disability and associated morbidities among Indian population. Worldwide, approximately 20% of elderly population above 70 years and 16% of postmenopausal women are suffering from it. Vertebral compression fractures should be aggressively treated with minimally invasive techniques such as Percutaneous Vertebroplasty (PVP) or Percutaneous Kyphoplasty (PKP) to minimize pain and disability associated with it...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28943388/corneal-higher-order-aberrations-and-visual-improvement-following-corneal-transplantation-in-treating-herpes-simplex-keratitis
#20
Eisuke Shimizu, Takefumi Yamaguchi, Daisuke Tomida, Yukari Yagi-Yaguchi, Yoshiyuki Satake, Kazuo Tsubota, Jun Shimazaki
PURPOSE: To examine corneal higher-order aberrations (HOAs) and visual improvement following corneal transplantation in treating corneal scar caused by herpes simplex keratitis (HSK). DESIGN: Retrospective consecutive case series. METHODS: This study included a total of 52 eyes: 18 normal subjects, and 34 eyes of consecutive patients with corneal scar due to HSK who underwent penetrating keratoplasty (PKP, 17 eyes) or deep anterior lamellar keratoplasty (DALK, 17 eyes)...
September 21, 2017: American Journal of Ophthalmology
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