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https://www.readbyqxmd.com/read/28644947/acoustic-rhinometry-for-evaluation-of-velopharyngeal-function-in-preschool-children-post-palatoplasty
#1
Fan Li, Hongtao Wang, Yiyang Chen, Wenli Wu
PURPOSE: To assess the feasibility of acoustic rhinometry for the evaluation of velopharyngeal function in preschool children by detecting changes in nasal cavity volume (NV) and minimal cross-sectional area (MCSA) after palatoplasty. MATERIALS AND METHODS: Sixty-one preschool children with incomplete cleft palate who underwent Sommerlad palatoplasty were examined by acoustic rhinometry. MCSA, distance of the MCSA from the nostril (DMCA), NV, and nasopharyngeal volume (NPV) were measured...
May 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28644828/a-mutant-of-chlamydomonas-without-lhcsr-maintains-high-rates-of-photosynthesis-but-has-reduced-cell-division-rates-in-sinusoidal-light-conditions
#2
Michael Cantrell, Graham Peers
The LHCSR protein belongs to the light harvesting complex family of pigment-binding proteins found in oxygenic photoautotrophs. Previous studies have shown that this complex is required for the rapid induction and relaxation of excess light energy dissipation in a wide range of eukaryotic algae and moss. The ability of cells to rapidly regulate light harvesting between this dissipation state and one favoring photochemistry is believed to be important for reducing oxidative stress and maintaining high photosynthetic efficiency in a rapidly changing light environment...
2017: PloS One
https://www.readbyqxmd.com/read/28644388/cellular-uptake-and-delivery-dependent-effects-of-tb-3-doped-hydroxyapatite-nanorods
#3
Yan Wei, Ying He, Xiyu Li, Haifeng Chen, Xuliang Deng
With the increasing interest in hydroxyapatite (HA) nanostructures for use in biomedicine, the systematic evaluation of their potential effects on biological systems is becoming critically important. In this work, we report the in vitro cellular uptake, in vivo tissue distributions and toxicity of Tb(3+)-doped HA (HA-Tb) after short-, intermediate-, and long-term exposure. Transmission electron microscopy analysis indicated that HA-Tb was taken up by cells via vesicle endocytosis. Cell proliferation and cytotoxicity assay, combined with confocal laser scanning microscopy, indicated excellent cell viability with no changes in cell morphology at the examined doses...
June 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28644107/gingival-perfusion-and-tissue-biomarkers-during-early-healing-of-post-extraction-regenerative-procedures-a-prospective-case-series
#4
Lamees Alssum, Timothy D Eubank, Sashwati Roy, Barbaros S Erdal, Vedat O Yildiz, Dimitris N Tatakis, Binnaz Leblebicioglu
BACKGROUND: Post-extraction alveolar bone loss, mostly affecting the buccal plate, occurs despite regenerative procedures. To better understand possible determinants, this prospective case series assessed gingival blood perfusion and tissue molecular responses in relation to post-extraction regenerative outcomes. METHODS: Adults scheduled to receive bone grafting in maxillary, non-molar, single tooth extraction site were recruited. Clinical documentation included probing pocket depth (PD), keratinized tissue width (KT), tissue biotype (TB), plaque (P) and bleeding...
June 23, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28644075/spine-stereotactic-radiosurgery-for-metastatic-sarcoma-patterns-of-failure-and-radiation-treatment-volume-considerations
#5
Andrew J Bishop, Randa Tao, B Ashleigh Guadagnolo, Pamela K Allen, Neal C Rebueno, Xin A Wang, Behrang Amini, Claudio E Tatsui, Laurence D Rhines, Jing Li, Eric L Chang, Paul D Brown, Amol J Ghia
OBJECTIVE Given the relatively lower radiosensitivity of sarcomas and the locally infiltrative patterns of spread, the authors sought to investigate spine stereotactic radiosurgery (SSRS) outcomes for metastatic sarcomas and to analyze patterns of failure. METHODS The records of 48 patients with 66 sarcoma spinal metastases consecutively treated with SSRS between 2002 and 2013 were reviewed. The Kaplan-Meier method was used to estimate rates of overall survival (OS) and local control (LC). Local recurrences were categorized as occurring infield (within the 95% isodose line [IDL]), marginally (between the 20% and 95% IDLs), or out of field...
June 23, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28643966/-what-is-the-role-of-surgery-in-low-back-pain-associated-with-modic-changes
#6
Pietro Aniello Laudato, Viktor Bartanusz
Benign low back pain is frequent in the lucratively active population. Degenerative changes are considered the most frequent causes. The identification of pain generators remain challenging. Bone marrow lesions, Modic changes, are frequently associated with benign low back pain, mostly type 1. The etiology of Modic changes is unknown, both infectious and autoimmune mechanisms have been suggested. Despite the strong association of Modic changes with low back pain it is not clear whether lumbar surgery (lumbar fusion, total disc replacement) has any role in the management of these patients...
June 21, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28643583/hemodynamic-stability-during-laryngeal-electromyography-procedures
#7
Yi-An Lu, Yu-Cheng Pei, Alice Mk Wong, Hui-Chen Chiang, Tuan-Jen Fang
BACKGROUND: Laryngeal electromyography (LEMG) is accepted as safe, with minimal side effects. However, patient hemodynamic stability, during these procedures, has not been reported. This study aimed to investigate the hemodynamics in patients undergoing LEMG and determine the risk factors for hemodynamic changes. METHODS: We recruited 89 consecutive patients who underwent LEMG. Baseline and postprocedural changes in vital signs were analyzed. RESULTS: Diastolic blood pressure (DBP) increased from 75...
June 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28643300/-advantages-and-disadvantages-of-minimally-invasive-surgery-in-colorectal-cancer-surgery
#8
Minhua Zheng, Junjun Ma
Since the emergence of minimally invasive technology twenty years ago, as a surgical concept and surgical technique for colorectal cancer surgery, its obvious advantages have been recognized. Laparoscopic technology, as one of the most important technology platform, has got a lot of evidence-based support for the oncological safety and effectiveness in colorectal cancer surgery Laparoscopic technique has advantages in terms of identification of anatomic plane and autonomic nerve, protection of pelvic structure, and fine dissection of vessels...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643082/the-influence-of-solar-power-plants-on-microclimatic-conditions-and-the-biotic-community-in-chilean-desert-environments
#9
Anna Suuronen, Christian Muñoz-Escobar, Anssi Lensu, Markku Kuitunen, Natalia Guajardo Celis, Pablo Espinoza Astudillo, Marcos Ferrú, Andrés Taucare-Ríos, Marcelo Miranda, Jussi V K Kukkonen
The renewable energy sector is growing at a rapid pace in northern Chile and the solar energy potential is one of the best worldwide. Therefore, many types of solar power plant facilities are being built to take advantage of this renewable energy resource. Solar energy is considered a clean source of energy, but there are potential environmental effects of solar technology, such as landscape fragmentation, extinction of local biota, microclimate changes, among others. To be able to minimize environmental impacts of solar power plants, it is important to know what kind of environmental conditions solar power plants create...
June 22, 2017: Environmental Management
https://www.readbyqxmd.com/read/28642375/acquired-resistance-to-corticotropin-therapy-in-nephrotic-syndrome-role-of-de-novo-neutralizing-antibody
#10
Pei Wang, Yan Zhang, Yu Wang, Andrew S Brem, Zhangsuo Liu, Rujun Gong
There is increasing evidence supporting the use of corticotropin as an alternative treatment of refractory proteinuric glomerulopathies. The efficacy of short-acting corticotropin, however, remains unknown and was tested here in an adolescent with steroid-dependent nephrotic syndrome caused by minimal change disease. After developing Cushing syndrome and recently being afflicted with severe cellulitis, the patient was weaned off all immunosuppressants, including corticosteroids. This resulted in a relapse of generalized anasarca, associated with massive proteinuria and hypoalbuminemia...
June 22, 2017: Pediatrics
https://www.readbyqxmd.com/read/28642346/detergent-induced-self-assembly-and-controllable-photosensitizer-activity-of-diester-phenylene-ethynylenes
#11
Patrick L Donabedian, Matthew N Creyer, Florencia A Monge, Kirk S Schanze, Eva Y Chi, David G Whitten
Photodynamic therapy, in which malignant tissue is killed by targeted light exposure following administration of a photosensitizer, can be a valuable treatment modality but currently relies on passive transport and local irradiation to avoid off-target oxidation. We present a system of excited-state control for truly local delivery of singlet oxygen. An anionic phenylene ethynylene oligomer is initially quenched by water, producing minimal fluorescence and no measurable singlet oxygen generation. When presented with a binding partner, in this case an oppositely charged surfactant, changes in solvent microenvironment result in fluorescence unquenching, restoration of intersystem crossing to the triplet state, and singlet oxygen generation, as assayed by transient absorption spectroscopy and chemical trapping...
June 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28642090/temporary-removal-vaginal-sacral-colpopexy-a-natural-orifice-approach-to-a-gold-standard-procedure
#12
Charles R Hanes
The publisher regrets that this article has been temporarily removed. A replacement will appear as soon as possible in which the reason for the removal of the article will be specified, or the article will be reinstated. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
June 20, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28641973/changes-in-hip-knee-and-ankle-coronal-alignments-after-total-hip-arthroplasty-with-transverse-femoral-shortening-osteotomy-for-unilateral-crowe-type-iv-developmental-dysplasia-of-the-hip
#13
Abdulhamit Misir, Turan B Kizkapan, Kadir I Yildiz, Mehmet A Kaygusuz, Yakup Alpay, Atakan Ezici
BACKGROUND: To investigate changes in lower extremity coronal alignment in patients with unilateral Crowe type IV developmental dysplasia of the hip who underwent total hip arthroplasty with transverse femoral shortening osteotomy. METHODS: We reviewed the preoperative and 1-year postoperative full-length lower extremity radiographs of 25 patients. Femoral offset (FO), mechanical hip-knee-ankle angle, anatomical axis, mechanical axis deviation (MAD), mechanical lateral proximal femoral angle, anatomical medial proximal femoral angle, mechanical lateral distal femoral angle, anatomical lateral distal femoral angle, knee joint line congruency angle, mechanical medial proximal tibial angle, mechanical lateral distal tibial angle, ankle joint line orientation angle, tibial plafond talus angle, extremity length, and pelvic obliquity were measured on both the operative and nonoperative sides...
June 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28641777/role-of-parl-pink1-parkin-pathway-in-adipocyte-differentiation
#14
Ming-Yuh Shiau, Pin-Shen Lee, Ying-Jyun Huang, Ching-Ping Yang, Chiao-Wan Hsiao, Kai-Yun Chang, Huan-Wen Chen, Yih-Hsin Chang
OBJECTIVE: Adipogenesis determines the number of adipocytes which is increased when individuals become obese. Mitochondria undergo remarkable morphological and functional changes during adipogenesis. PTEN-induced kinase 1 (PINK1) is pivotal to maintain mitochondrial homeostasis in neural cells. The present study aimed at investigating effects of PINK1 on adipogenesis and energy metabolism. METHODS: Expression of presenilin associated rhomboid-like protein (PARL), PINK1 and Parkin, as well as the interaction among these proteins was temporally examined during adipogenesis...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28641652/-significance-of-monitoring-minimal-residual-disease-by-flow-cytometry-in-acute-leukemia-patients-underwent-nonmyeloablative-allo-hsct
#15
Xiong-Xiong Liu, Tie-Qiang Liu, Mei Guo, Qi-Yun Sun, Jian-Hui Qiao, Kai-Xun Hu, Bing-Xia Li, Bo Yao, Chang-Lin Yu
OBJECTIVE: To explore the value of dynamically monitoring minimal residual disease (MRD) by flow cytometry before and after non-myeloablative allo-HSCT (NST) for prediction of acute leukemia(AL) relapse after transplantation. METHODS: The clinical data of 51 AL patients underwent NST were analyzed retrospectively in Department of Hematology of Affiliated Hospital of Academy of Military Medical Sciences from January 2011 to December 2015. All AL patients achieved the morphologic complete remission of bone marrow before transplantation...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641461/the-impact-of-data-errors-on-the-outcome-of-randomized-clinical-trials
#16
Marc Buyse, Pierre Squifflet, Elisabeth Coart, Emmanuel Quinaux, Cornelis Ja Punt, Everardo D Saad
Background/aims Considerable human and financial resources are typically spent to ensure that data collected for clinical trials are free from errors. We investigated the impact of random and systematic errors on the outcome of randomized clinical trials. Methods We used individual patient data relating to response endpoints of interest in two published randomized clinical trials, one in ophthalmology and one in oncology. These randomized clinical trials enrolled 1186 patients with age-related macular degeneration and 736 patients with metastatic colorectal cancer...
June 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28641096/hematopoietic-stem-cell-transplantation-for-sickle-cell-anemia-the-changing-landscape
#17
REVIEW
Adetola A Kassim, Deva Sharma
Allogeneic hematopoietic stem cell transplantation (HSCT) remains the only curative therapy for sickle cell disease (SCD); however, its use is limited by lack of suitable human leukocyte antigen (HLA)-matched donors and decreased application in older patients with significant morbidity. Myeloablative, HLA-identical sibling transplantation in children with SCD offers excellent long-term survival, with overall and event-free survival rates of 95% and 92%, respectively. However, the risk of graft-versus-host-disease, infections, infertility, and other long-term transplant complications, further limits its widespread use...
June 15, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28640703/integrating-evidence-based-medicine-for-treatment-of-spinal-metastases-into-a-decision-framework-neurologic-oncologic-mechanicals-stability-and-systemic-disease
#18
Ori Barzilai, Ilya Laufer, Yoshiya Yamada, Daniel S Higginson, Adam M Schmitt, Eric Lis, Mark H Bilsky
Patients with cancer are frequently affected by spinal metastases. Treatment is palliative, with the principle goals of pain relief, preservation of neurologic function, and improvement in quality of life. In the past decade, we have witnessed a dramatic change in the treatment paradigms due to the development of improved surgical strategies and systemic and radiation therapy. The most important change to these paradigms has been the integration of spinal stereotactic radiosurgery (SSRS), allowing delivery of tumoricidal radiation doses with sparing of nearby organs at risk...
June 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28640440/frequency-dependent-inhibition-of-bladder-function-by-saphenous-nerve-stimulation-in-anesthetized-rats
#19
Zainab Moazzam, Paul B Yoo
AIMS: Percutaneous tibial nerve stimulation (PTNS) is an effective neuromodulation therapy for treating overactive bladder (OAB). The therapeutic effects are achieved by repeatedly applying electrical stimulation through a percutaneous needle electrode that is used to target the tibial nerve (TN). Anatomical studies indicate there can be multiple saphenous nerve (SAFN) branches located near the site of electrical stimulation, and therefore we investigated the possibility of evoking a bladder-inhibitory reflex by electrically activating the SAFN...
June 22, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28639819/effects-of-caregiving-status-and-changes-in-depressive-symptoms-on-development-of-physical-morbidity-among-long-term-cancer-caregivers
#20
Kelly M Shaffer, Youngmee Kim, Charles S Carver, Rachel S Cannady
OBJECTIVE: Cancer caregiving burden is known to vary across the survivorship trajectory and has been linked with caregivers' subsequent health impairment. Little is known, however, regarding how risk factors during long-term survivorship relate to vulnerability to caregivers' health during that period. This study examined effects of caregiving status and depressive symptoms on development of physical morbidity by 5 years postdiagnosis. METHOD: Family caregivers (N = 491; Mage = 55...
June 22, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
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