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https://www.readbyqxmd.com/read/28924442/laser-induced-choroidal-neovascularizations-clinical-study-of-3-cases
#1
Wipada Laovirojjanakul, Thuss Sanguansak, Yosanan Yospaiboon, Supat Sinawat, Suthasinee Sinawat
BACKGROUND: We report 3 patients with laser-induced choroidal neovascularization (CNV). METHOD: Retrospective, observational case series. Medical charts and photographs were reviewed. RESULTS: Two patients with central serous chorioretinopathy who developed iatrogenic CNV after focal laser photocoagulation were treated with intravitreal ranibizumab injections. One patient with CNV secondary to thermal laser photocoagulation for diabetic macular edema was treated with photodynamic therapy (PDT)...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28922876/visual-deficit-from-laser-interstitial-thermal-therapy-for-temporal-lobe-epilepsy-anatomical-considerations
#2
Walter J Jermakowicz, Michael E Ivan, Iahn Cajigas, Ramses Ribot, Ignacio Jusue-Torres, Mehul B Desai, Armando Ruiz, Pierre-Francois D'Haese, Andres M Kanner, Jonathan R Jagid
BACKGROUND: Laser interstitial thermal therapy (LITT) is quickly emerging as an effective surgical therapy for temporal lobe epilepsy (TLE). One of the most frequent complications of the procedure is postoperative visual field cuts, but the physiopathology of these deficits is unknown. OBJECTIVE: To evaluate potential causes of visual deficits after LITT for TLE in an attempt to minimize this complication. METHODS: This retrospective chart review compares the case of a 24-year-old male who developed homonymous hemianopsia following LITT for TLE to 17 prior patients who underwent the procedure and suffered no visual deficit...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922117/magnetic-resonance-mediated-radiofrequency-ablation
#3
Yik-Kiong Hue, Alexander R Guimaraes, Ouri Cohen, Erez Nevo, Abraham Roth, Jerome L Ackerman, Jerome L Ackerman
OBJECTIVE: To introduce magnetic resonance mediated radiofrequency ablation (MR-RFA), in which the MRI scanner uniquely serves both diagnostic and therapeutic roles. In MR-RFA scanner-induced RF heating is channeled to the ablation site via a Larmor frequency RF pickup device and needle system, and controlled via the pulse sequence. METHODS: MR-RFA was evaluated with simulation of electric and magnetic fields to predict the increase in local specific-absorption-rate (SAR)...
September 18, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28917283/mri-guided-laser-interstitial-thermal-therapy-for-epilepsy
#4
REVIEW
Robert Y North, Jeffrey S Raskin, Daniel J Curry
MRI-guided laser interstitial thermal therapy for epilepsy (LITT-E) has become an established, minimally invasive alternative to traditional epilepsy surgery. LITT-E is particularly valuable in cases in which open surgery poses unacceptably high morbidity or patient preference precludes craniotomy. Here we present a focused review of technical details and application of LITT to both focal and generalized epilepsy.
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917281/magnetic-resonance-thermometry-and-laser-interstitial-thermal-therapy-for-brain-tumors
#5
REVIEW
Danilo Silva, Mayur Sharma, Rupa Juthani, Antonio Meola, Gene H Barnett
Recent technological advancements in intraoperative imaging are shaping the way for a new era in brain tumor surgery. Magnetic resonance thermometry has provided intraoperative real-time imaging feedback for safe and effective application of laser interstitial thermal therapy (LITT) in neuro-oncology. Thermal ablation has also established itself as a surgical option in epilepsy surgery and is currently used in spine oncology with promising results. This article reviews the principles and rationale as well as the clinical application of LITT for brain tumors...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917280/a-novel-use-of-the-intraoperative-mri-for-metastatic-spine-tumors-laser-interstitial-thermal-therapy-for-percutaneous-treatment-of-epidural-metastatic-spine-disease
#6
REVIEW
Jonathan G Thomas, Wajd N Al-Holou, Dhiego Chaves de Almeida Bastos, Amol J Ghia, Jing Li, Andrew J Bishop, Behrang Amini, Laurence D Rhines, Claudio E Tatsui
Spinal laser interstitial thermal therapy (LITT) appears to be a promising novel modality for treatment of epidural metastatic spine disease in patients who are poor candidates for larger-scale oncologic spinal surgery and can act synergetically with spinal stereotactic radiosurgery to maximize local control and palliate pain. This technique is ideally suited for the intraoperative MRI suite to monitor the extent of the ablation in the epidural space. As percutaneous navigation, imaging, and LITT technology improve, broader applicability of this minimally invasive technique in spinal oncology is foreseen...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28915593/a-novel-egfr-tki-inhibitor-camp-h3bo3complex-combined-with-thermal-therapy-is-a-promising-strategy-to-improve-lung-cancer-treatment-outcomes
#7
Yongpeng Tong, Chunliu Huang, Junfang Zhang
PURPOSE: Although EGFR-TKIs (epidermal growth factor receptor tyrosine kinase inhibitors) induce favorable responses as first-line non-small cell lung cancer treatments, drug resistance remains a serious problem. Meanwhile, thermal therapy also shows promise as a cancer therapy strategy. Here we combine a novel EGFR-TKI treatment with thermal therapy to improve lung cancer treatment outcomes. RESULTS: The results suggest that the cAMP-H3BO3 complex effectively inhibits EGFR auto-phosphorylation, while inducing apoptosis and cell cycle arrest in vitro...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914992/an-effective-thermal-therapy-against-cancer-using-an-e-jet-3d-printing-method-to-prepare-implantable-magnetocaloric-mats
#8
Yikun Yang, Chunyi Tong, Juchang Zhong, Ruiying Huang, Weihong Tan, Zhikai Tan
Magnetic hyperthermia has been rapidly developed as a potential cancer treatment in recent years. Artificially induced hyperthermia close to a tumor can raise the temperature to 45°C causing tumor cell death. Herein, we introduce a novel method for rapid preparation of anti-cancer magnetocaloric PCL/Fe3 O4 mats capable of high-performance hyperthermia using E-jet 3D printing technology. Our 3D printed mats not only maintained the heating efficiency of traditional techniques for magnetic hyperthermia but also prolonged the effective therapy in vivo...
September 15, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28914774/targeting-heat-shock-proteins-in-cancer-a-promising-therapeutic-approach
#9
REVIEW
Suman Chatterjee, Timothy F Burns
Heat shock proteins (HSPs) are a large family of chaperones that are involved in protein folding and maturation of a variety of "client" proteins protecting them from degradation, oxidative stress, hypoxia, and thermal stress. Hence, they are significant regulators of cellular proliferation, differentiation and strongly implicated in the molecular orchestration of cancer development and progression as many of their clients are well established oncoproteins in multiple tumor types. Interestingly, tumor cells are more HSP chaperonage-dependent than normal cells for proliferation and survival because the oncoproteins in cancer cells are often misfolded and require augmented chaperonage activity for correction...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28912937/relieving-pain-in-oral-lesions-of-pemphigus-vulgaris-using-the-non-ablative-non-thermal-co2-laser-therapy-ntclt-preliminary-results-of-a-novel-approach
#10
Nasrin Zand, Parvin Mansouri, Mohsen Fateh, Leila Ataie-Fashtami, Samad Rezaee Khiabanloo, Farid Safar, Reza Chalangari, Katalin Martits, Afshan Shirkavand
Introduction: Pemphigus vulgaris (PV) is a chronic, serious autoimmune mucocutaneous bullous disease. Oral lesions in PV may be extremely painful. This pain may adversely affect the patients' oral intake and quality of life. This before-after clinical trial was designed to assess the pain relieving effects of single session of non-ablative, non-thermal CO2 laser therapy (NTCLT) in oral lesions of PV. Methods: Fifty painful oral lesions of fourteen patients with PV were illuminated by CO2 laser (power: 1 W, scanning the lesions with rapid circular motion of the handpiece) passing through a thick layer of transparent gel with high water content...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28912674/a-mechanistic-understanding-of-axon-degeneration-in-chemotherapy-induced-peripheral-neuropathy
#11
REVIEW
Yusuke Fukuda, Yihang Li, Rosalind A Segal
Chemotherapeutic agents cause many short and long term toxic side effects to peripheral nervous system (PNS) that drastically alter quality of life. Chemotherapy-induced peripheral neuropathy (CIPN) is a common and enduring disorder caused by several anti-neoplastic agents. CIPN typically presents with neuropathic pain, numbness of distal extremities, and/or oversensitivity to thermal or mechanical stimuli. This adverse side effect often requires a reduction in chemotherapy dosage or even discontinuation of treatment...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28910825/comparison-of-continuous-wave-and-micropulse-modulation-in-retinal-laser-therapy
#12
Jenny Wang, Yi Quan, Roopa Dalal, Daniel Palanker
Purpose: Recent progress in retinal laser therapy has centered upon using thermal stress below damage threshold or selective destruction of targeted tissue layers as a stimulus for retinal repair. Temporal modulation, including micropulse, is thought to increase the selectivity of laser treatment, but has not been carefully analyzed. We measure and model the tissue response to continuous-wave (CW) and micropulse laser to evaluate the advantages and drawbacks of temporal modulation. Methods: Thresholds of ophthalmoscopic visibility, which indicates damage to photoreceptors, and fluorescein angiography (FA), indicating damage to retinal pigment epithelium (RPE), were measured with 577-nm laser in rabbits for duty cycles ranging from 3% to 100% (CW) and pulse envelopes of 20 and 200 ms...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28906487/identification-of-11-13-dehydroivaxillin-as-a-potent-therapeutic-agent-against-non-hodgkin-s-lymphoma
#13
Xinhua Xiao, Huiliang Li, Huizi Jin, Jin Jin, Miao Yu, Chunmin Ma, Yin Tong, Li Zhou, Hu Lei, Hanzhang Xu, Weidong Zhang, Wei Liu, Yingli Wu
Despite great advancements in the treatment of non-Hodgkin lymphoma (NHL), sensitivity of different subtypes to therapy varies. Targeting the aberrant activation NF-κB signaling pathways in lymphoid malignancies is a promising strategy. Here, we report that 11(13)-dehydroivaxillin (DHI), a natural compound isolated from the Carpesium genus, induces growth inhibition and apoptosis of NHL cells. Multiple signaling cascades are influenced by DHI in NHL cells. PI3K/AKT and ERK are activated or inhibited in a cell type dependent manner, whereas NF-κB signaling pathway was inhibited in all the NHL cells tested...
September 14, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28905211/three-nights-leg-thermal-therapy-could-improve-sleep-quality-in-patients-with-chronic-heart-failure
#14
Hiroyuki Sawatari, Mari K Nishizaka, Mami Miyazono, Shin-Ichi Ando, Shujiro Inoue, Masao Takemoto, Takafumi Sakamoto, Daisuke Goto, Tomoo Furumoto, Shintaro Kinugawa, Nobuko Hashiguchi, Anita Rahmawati, Hiroaki Chishaki, Tomoko Ohkusa, Chie Magota, Hiroyuki Tsutsui, Akiko Chishaki
Sleep quality is often impaired in patients with chronic heart failure (HF), which may worsen their quality of life and even prognosis. Leg thermal therapy (LTT), topical leg warming, has been shown to improve endothelial function, oxidative stress, and cardiac function in patients with HF. However, its short-term influence to sleep quality has not been evaluated in HF patients. Eighteen of 23 patients with stable HF received LTT (15 min of warming at 45 °C and 30 min of insulation) at bedtime for 3 consecutive nights and 5 patients served as control...
September 13, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28902707/impact-of-human-ca8-on-thermal-antinociception-in-relation-to-morphine-equivalence-in-mice
#15
Eugene S Fu, Diana M Erasso, Gerald Z Zhuang, Udita Upadhyay, Mehtap Ozdemir, Timothy Wiltshire, Konstantinos D Sarantopoulos, Shad B Smith, William Maixner, Eden R Martin, Roy C Levitt
Recently, we showed that murine dorsal root ganglion (DRG) Car8 expression is a cis-regulated eQTL that determines analgesic responses. In this report, we show that transduction through sciatic nerve injection of DRG with human wild-type carbonic anhydrase-8 using adeno-associated virus viral particles (AAV8-V5-CA8WT) produces analgesia in naive male C57BL/6J mice and antihyperalgesia after carrageenan treatment. A peak mean increase of about 4 s in thermal hindpaw withdrawal latency equaled increases in thermal withdrawal latency produced by 10 mg/kg intraperitoneal morphine in these mice...
September 11, 2017: Neuroreport
https://www.readbyqxmd.com/read/28902622/functional-interaction-between-n-methyl-d-aspartate-receptor-and-ascorbic-acid-during-neuropathic-pain-induced-by-chronic-constriction-injury-of-the-sciatic-nerve
#16
Sepideh Saffarpour, Farinaz Nasirinezhad
BACKGROUND: Neuropathic pain is a chronic pain condition, which is resistant to therapy. Ascorbate was released because of the activation of glutaminergic neurons. Due to the important role of N-methyl-D-aspartate (NMDA) receptors in the pathophysiology of neuropathic pain, this study investigated the analgesic efficacy of ascorbic acid (AA) in neuropathic pain condition and the role of NMDA receptors in this effect. METHODS: For this purpose, adult male rats were randomly allocated to experimental groups (n=8 in each group)...
September 13, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28902127/altered-gene-expression-of-rnf34-and-pacap-possibly-involved-in-mechanism-of-exercise-induced-analgesia-for-neuropathic-pain-in-rats
#17
Shintaro Yamaoka, Yusuke Oshima, Hideki Horiuchi, Tadao Morino, Masayuki Hino, Hiromasa Miura, Tadanori Ogata
Despite the availability of several modalities of treatment, including surgery, pharmacological agents, and nerve blocks, neuropathic pain is often unresponsive and sometimes progresses to intractable chronic pain. Although exercise therapy is a candidate for treatment of neuropathic pain, the mechanism underlying its efficacy has not been elucidated. To clarify the molecular mechanism for pain relief induced by exercise, we measured Rnf34 and Pacap mRNA levels in the spinal cord dorsal horn of SNL rats, a model of neuropathic pain...
September 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28895715/a-pompon-like-runps-based-theranostic-nanocarrier-system-with-stable-photoacoustic-imaging-characteristic-for-accurate-tumor-detection-and-efficient-phototherapy-guidance
#18
Gengjia Chen, Meng Xu, Shuang Zhao, Jing Sun, Qianqian Yu, Jie Liu
Even though numerous therapeutic methods exist for cancer treatment, many fail to achieve ideal outcomes or have severe side effects. Here, we describe a theranostic nanocarrier system with improved tumor vasculature detection and tumor margin quantification that increases the accuracy and guidance efficiency of phototherapy. Novel pompon-like RuNPs with superb photothermal properties and high encapsulation efficiency were first synthesized via the polyol reducing method. Based on these RuNPs, we then developed a multifunctional theranostic system, pRu-pNIPAM@RBT, composed of poly(Nisopropylacrylamide) as the thermal-response switch and of [Ru(bpy)2(tip)]2+ as the photosensitizer of PDT and the contrast agent of biomedical imaging...
September 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28895403/injectable-carbon-nanotube-functionalized-reverse-thermal-gel-promotes-cardiomyocytes-survival-and-maturation
#19
Brisa Peña, Susanna Bosi, Brian A Aguado, Daniele Borin, Nikki L Farnsworth, Evgenia Dobrinskikh, Teisha J Rowland, Valentina Martinelli, Mark Jeong, Matthew R G Taylor, Carlin S Long, Robin Shandas, Orfeo Sbaizero, Maurizio Prato, Kristi S Anseth, Daewon Park, Luisa Mestroni
The ability of the adult heart to regenerate cardiomyocytes (CMs) lost after injury is limited, generating interest in developing efficient cell-based transplantation therapies. Rigid carbon nanotubes (CNTs) scaffolds have been used to improve CMs viability, proliferation, and maturation, but they require undesirable invasive surgeries for implantation. To overcome this limitation, we developed an injectable reverse thermal gel (RTG) functionalized with CNTs (RTG-CNT) that transitions from a solution at room temperature to a three-dimensional (3D) gel-based matrix shortly after reaching body temperature...
September 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28894956/the-effect-of-laser-power-blood-perfusion-thermal-and-optical-properties-of-human-liver-tissue-on-thermal-damage-in-litt
#20
Khalid Salem Shibib, Mohammed A Munshid, Hind Ali Lateef
In this work, the finite-element method (FEM) was used to predict the temperature distribution, and the thermal damage volume in human liver tissue subjected to laser in laser-induced interstitial thermotherapy (LITT). The effect of laser power, blood perfusion, and thermal and optical properties on maximum temperature and thermal damage volume were predicted using the finite-element method. A computer program was written in visual basic language, which was verified by comparing its result with data published elsewhere...
September 11, 2017: Lasers in Medical Science
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