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https://www.readbyqxmd.com/read/28207616/percutaneous-kyphoplasty-in-the-treatment-of-osteoblastic-related-spinal-metastases
#1
Hong-Tao Zhang, Guang-Dong Chen, Hui-Lin Yang, Zong-Ping Luo
STUDY DESIGN: A retrospective study. OBJECTIVE: To evaluate the feasibility, efficacy, and safety of percutaneous kyphoplasty (PKP) for the treatment of painful osteoblastic-related spinal metastases unresponsive to conservative treatments. SUMMARY OF BACKGROUND DATA: PKP represents a powerful tool in the management of oncology patients who suffer from painful osteolytic spinal lesions. However, to our knowledge, there have been no reports on the role of PKP in the treatment of osteoblastic metastatic spinal lesions...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28192270/risk-factors-for-cement-leakage-after-vertebroplasty-or-kyphoplasty-a-meta-analysis-of-published-evidence
#2
REVIEW
Yi Zhan, Jianzhong Jiang, Haifen Liao, Haitao Tan, Keqin Yang
BACKGROUND: Cement leakage is the most common complication of vertebroplasty and kyphoplasty. So far, the reported risk factors remain conflicting due to limited data and lack of uniform measurement and evaluation. Here, we aimed to perform a systematic review and meta-analysis of potential risk factors for cement leakage after vertebroplasty or kyphoplasty. METHODS: Relevant literature was retrieved using PubMed, EMBASE, Cochrane Controlled Trial Register and MEDLINE with no language restriction, supplemented by a hand-search of the reference lists of selected articles...
February 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28178939/corneal-vesicles-accumulate-collagen-vi-associated-with-tissue-remodeling-in-apolipoprotein-a-i-deficiency-a-case-report
#3
Hiroyuki Namba, Mari Narumi, Shinji Susa, Rintaro Ohe, Takeo Kato, Mitsunori Yamakawa, Hidetoshi Yamashita
BACKGROUND: Apo A-I deficiency clinically shows low serum levels of HDL cholesterol and corneal opacity at a young age. Histopathological evaluations of affected corneas are not enough, and the mechanism of corneal opacity is still unclear. CASE PRESENTATION: A 61-year-old woman suffered from blurred vision with a corneal opacity. She had significantly reduced serum levels of high-density lipoprotein cholesterol and Apo A-I, stenosis of the coronary arteries, and ischemic heart failure...
February 8, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28158161/factors-affecting-delayed-union-of-vertebral-fractures-following-percutaneous-kyphoplasty
#4
Xin He, YiBin Meng, YunFei Huang, DingJun Hao, QiNing Wu, JiJun Liu
BACKGROUND: Although percutaneous kyphoplasty (PKP) could achieve rapid pain relief for the elderly with osteoporotic vertebral compression fracture (OVCF), some patients still had risks of suffering vertebrae delayed union which led to persisting pain and vertebral collapse. Preventing the delayed vertebral union could reduce the further morbidities and medical costs for patients with OVCF after PKP. OBJECTIVES: To explore the factors involved in delayed vertebral union after PKP in patients with OVCF...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28151861/shifting-trends-in-microbial-keratitis-following-penetrating-keratoplasty-in-taiwan
#5
Hung-Chi Chen, Chia-Yi Lee, Hung-Yu Lin, David Hui-Kang Ma, Phil Yeong-Fong Chen, Ching-Hsi Hsiao, Hsin-Chiung Lin, Lung-Kun Yeh, Hsin-Yuan Tan
To investigate the clinical and microbiological profiles from microbial keratitis following penetrating keratoplasty (PKP) in a tertiary referral center in Taiwan, the medical records of 648 consecutive patients (648 eyes) undergoing PKP between January 2003 and December 2007 were retrospectively reviewed. Patients who subsequently sustained microbial keratitis were enrolled and analyzed for potential risk factors, clinical manifestations, microbiological profiles, complications, graft survival, and final visual outcome...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28102450/hidden-blood-loss-and-the-influential-factors-after-percutaneous-kyphoplasty-surgery
#6
Yao-Sen Wu, Hui Zhang, Wen-Hao Zheng, Zhen-Hua Feng, Ze-Xin Chen, Yan Lin
PURPOSE: Percutaneous kyphoplasty (PKP) is a minimally invasive procedure for the treatment of osteoporotic vertebral compression fractures (OVCFs). It is generally considered that there is little blood loss during the surgery. However, a significant perioperative hidden blood loss (HBL) is neglected. This study was to examine the amount of HBL and determine the influential factors during PKP. METHODS: From January 2015 to January 2016, 115 patients with OVCFs who were scheduled to have a PKP were enrolled in this study...
January 19, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28042184/the-palisades-of-vogt-in-congenital-corneal-opacification-an-american-ophthalmological-society-thesis
#7
Ken K Nischal, Kira L Lathrop
PURPOSE: The purposes of this study are first, to determine if the palisades of Vogt (POV) are present or absent in cases of congenital corneal opacification (CCO) by using spectral domain ocular coherence tomography (SD-OCT), and second, in those cases already undergoing penetrating keratoplasty (PKP), to see whether the absence or presence of POV corresponds to re-epithelialization following transplant. METHODS: This was a retrospective case review of 20 eyes (10 normal, 10 with CCO) evaluated with SD-OCT...
August 2016: Transactions of the American Ophthalmological Society
https://www.readbyqxmd.com/read/27994805/descemet-s-membrane-endothelial-keratoplasty-in-south-asian-population
#8
Vipul Bhandari, Jagdeesh K Reddy, Prateek Chougale
PURPOSE: To evaluate visual outcomes, endothelial cell density and complications following Descemet's membrane endothelial keratoplasty (DMEK). METHODS: This study included 40 consecutive eyes that underwent DMEK for various pathologies involving the corneal endothelium. Best corrected visual acuity (BCVA) and endothelial cell density (ECD) were measured and compared before and 6 months after surgery. RESULTS: Out of 40 eyes, 34 eyes (85%) had BCVA ranging from 0...
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27895364/a-10-year-review-of-indications-for-penetrating-keratoplasty-in-a-tertiary-care-setting-in-karachi-pakistan
#9
Tanveer Ajum Chaudhry, Salman Naveed Sadiq, Zubaida Sirang, Maheen Akhtar Syed, Mustafa Kamal, Khabir Ahmad
The retrospective study was conducted to determine the indications and outomes of penetrating keratoplasty(PKP) in a tertiary care setting in Pakistan. All eyes that had undergone PKP between January 2005 and December 2014 at the Aga Khan University Hospital, Karachi, were included.Data were collected on the indications of PKP, graft survival (graft clarity at final follow-up), andbest corrected visual acuity (BCVA).Kaplan-Meier\'s method was usedto analyse graft survival.Out of 437 eyes, 383(87%) were for visual purpose...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27885526/twelve-year-follow-up-of-penetrating-keratoplasty
#10
Takashi Ono, Sosuke Ishiyama, Takeshi Hayashidera, Yosai Mori, Ryohei Nejima, Kazunori Miyata, Shiro Amano
PURPOSE: To evaluate the long-term outcomes of penetrating keratoplasty (PKP) according to the corneal disease diagnosis and the number of PKP procedures performed. METHODS: Five-hundred-and-nine eyes from 403 patients who underwent PKP at Miyata Eye Hospital in Japan from 1998 through 2014, were included in this study. Medical charts were retrospectively examined to ascertain the corneal disease diagnosis and the period of graft survival. Graft survival rates were compared among various corneal disease diagnoses and among the number of PKP procedures performed...
November 24, 2016: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27777054/risk-factors-and-correlation-of-secondary-adjacent-vertebral-compression-fracture-in-percutaneous-kyphoplasty
#11
Shaofeng Yang, Yanan Liu, Huilin Yang, Jun Zou
BACKGROUND: To analyze risk factors and correlation of secondary adjacent vertebral compression fracture in percutaneous kyphoplasty. MATERIALS AND METHODS: A total of 139 patients underwent PKP in our hospital for osteoporotic vertebral compression fracture between January 2013 and December 2014 and had completed follow-up data more than one year were selected randomly. Participants were divided into two groups in accordance with whether adjacent vertebral compression fracture occurred...
December 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27754721/evidence-based-endothelial-rehabilitation
#12
REVIEW
Shaohui Liu, Peter Veldman
Endothelial keratoplasty (EK) has replaced penetrating keratoplasty (PKP) as the preferred surgical therapy for corneal endothelial dysfunction. However, recent nationwide corneal graft registry data showed few advantages to EK relative to PKP with respect to graft survival and visual outcomes. This article compares the published outcomes and complications of EK to those of PKP. EK demonstrates superior spectacle corrected visual outcomes, fast recovery, less graft rejection, and higher patient satisfaction, particularly in studies performed by high-volume surgeons/centers...
2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27741106/a-method-to-preserve-limbus-during-penetrating-keratoplasty-for-a-case-of-presumed-phaces-syndrome-with-sclerocornea-a-case-report
#13
Yi-Ju Ho, Hung-Chi Chen, Shirley H L Chang, Lung-Kung Yeh, David Hui-Kang Ma
BACKGROUND: Sclerocornea, a congenital corneal pathology characterized by bilateral scleralization of the cornea, which can be found in few cases with posterior fossa malformationshemangiomas-arterial anomalies-cardiac defects-eye abnormalities-sternal cleft and supraumbilical raphe (PHACES) syndrome. Presence of vascularization in peripheral cornea and smaller diameter of recipient cornea correlate to poor outcome of penetrating keratoplasty (PKP) in sclerocornea. Here we report a method to preserve limbus during PKP for small, irregular, and scleralized cornea...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27676666/percutaneous-kyphoplasty-evaluated-by-cement-volume-and-distribution-an-analysis-of-clinical-data
#14
Xin He, Hui Li, YiBin Meng, YunFei Huang, Ding-Jun Hao, QiNing Wu, JiJun Liu
BACKGROUND: Percutaneous kyphoplasty (PKP) could achieve rapid pain relief for older patients with osteoporotic vertebral compression fractures (OVCFs). Bone cement in PKP was the key factor keeping the stabilization of the vertebral body. However, the same amount of cement can distribute differently in a vertebral body and can thereby result in different surgery outcomes. Therefore, the volume and distribution of bone cement should be considered as 2 distinct variables to evaluate the effectiveness of PKP...
September 2016: Pain Physician
https://www.readbyqxmd.com/read/27603721/allogeneic-sensitization-and-tolerance-induction-after-corneal-endothelial-cell-transplantation-in-mice
#15
Jun Yamada, Morio Ueno, Munetoyo Toda, Katsuhiko Shinomiya, Chie Sotozono, Shigeru Kinoshita, Junji Hamuro
PURPOSE: We evaluated the allogeneic response after corneal endothelial cell transplantation in the anterior chamber (AC) in a new mouse model by examining the acquisition of a delayed-type hypersensitivity (DTH) response, induction of allogeneic AC-associated immune deviation (ACAID), and acquisition of delayed transplantation tolerance. METHOD: The corneal eyecups from C57BL/6 mice were prepared. The epithelial layer was detached with EDTA solution and treated with trypsin to release mouse-derived primary corneal endothelial cells (mpCECs)...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27570862/outcome-of-repeat-penetrating-keratoplasty-in-eyes-with-failed-penetrating-keratoplasty
#16
Abdulrahman S Khairallah
OBJECTIVES: To report the outcomes of penetrating keratoplasty (PKP) surgeries in eyes with failed PKP. METHODS: This was a retrospective, non-comparative, descriptive case series. Thirty eyes of 30 patients with failed PKP comprised our study group, they were reviewed from January 2007 to December 2012 at the King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Data were collected on best corrected visual acuity before and after one week, one month, 3 months, 6 months, one year, and 2 years following PKP...
September 2016: Saudi Medical Journal
https://www.readbyqxmd.com/read/27569238/effects-of-cataract-surgery-on-endothelium-in-transplanted-corneal-grafts-comparison-of-extracapsular-cataract-extraction-and-phacoemulsification-for-complicated-cataract-after-penetrating-keratoplasty
#17
Hong-Wei Zhou, Li-Xin Xie
BACKGROUND: The endothelium should be carefully evaluated when choosing a surgical technique for cataract removal. Therefore, we aimed to study the effects of different cataract surgery techniques on endothelial cell loss in transplanted corneal grafts. METHODS: A total of 54 patients who received complicated cataract surgery in post-penetrating keratoplasty (PKP) eyes at the Shandong Eye Institute between February 2001 and June 2014 were included, and clinical records were reviewed...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27505428/molecular-organization-of-the-desmosome-as-revealed-by-direct-stochastic-optical-reconstruction-microscopy
#18
Sara N Stahley, Emily I Bartle, Claire E Atkinson, Andrew P Kowalczyk, Alexa L Mattheyses
Desmosomes are macromolecular junctions responsible for providing strong cell-cell adhesion. Because of their size and molecular complexity, the precise ultrastructural organization of desmosomes is challenging to study. Here, we used direct stochastic optical reconstruction microscopy (dSTORM) to resolve individual plaque pairs for inner and outer dense plaque proteins. Analysis methods based on desmosomal mirror symmetry were developed to measure plaque-to-plaque distances and create an integrated map. We quantified the organization of desmoglein 3, plakoglobin and desmoplakin (N-terminal, rod and C-terminal domains) in primary human keratinocytes...
August 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27455827/outcome-of-urgent-penetrating-keratoplasty-for-corneal-ulcer-at-thammasat-university-hospital
#19
Wimolwan Tangpagasit, Thanichaya Reanpinyawat
OBJECTIVE: To determine the eye integrity preservation after urgent penetrating keratoplasty (PKP) for corneal ulcer at Thammasat University Hospital. MATERIAL AND METHOD: A retrospective review of patients who underwent urgent PKP between September 2005 and January 2015 was conducted. Demographic data, predisposing factors, organisms, indication for surgery, time of urgent corneal graft registry, and preservation rate of eye integrity were analyzed. RESULTS: Fifty-five patients (55 eyes) registered for urgent corneal graft registry from eye bank and 22 eyes underwent urgent PKP There were 14 males (63...
January 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
https://www.readbyqxmd.com/read/27446606/small-incision-lenticule-extraction-for-postkeratoplasty-myopia-and-astigmatism
#20
Tamer H Massoud, Osama Ibrahim, Kitty Shehata, Moones F Abdalla
Purpose. To evaluate the visual and refractive outcomes after small incision lenticule extraction (SMILE) for treating myopia and myopic astigmatism after penetrating keratoplasty (PKP). Design. Case-series. Methods. Ten eyes of 10 patients with previous PKP and residual myopic astigmatism for whom pentacam imaging and thickness measurements were acceptable for laser vision correction. Manifest refraction (MR), uncorrected distance visual acuity (UDVA), and corrected distance visual acuity (CDVA) were obtained preoperatively and one day, one week, and one, 3, and 6 months postoperatively...
2016: Journal of Ophthalmology
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