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Thermal surgery

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https://www.readbyqxmd.com/read/28638983/treatment-of-benign-thyroid-nodules-by-high-intensity-focused-ultrasound-hifu-at-different-acoustic-powers-a-study-on-in-silico-phantom
#1
Fabiano Bini, Pierpaolo Trimboli, Franco Marinozzi, Luca Giovanella
BACKGROUND: The non-surgical therapies of benign thyroid nodules are gaining momentum due to the possibility to reduce the nodule's volume and avoid surgery. As the last technique introduced, high intensity focused ultrasound allows the thermal tissue treatment by directing energy inside the targeted nodule with no invasive instruments. In the present study we applied the Food and Drug Administration high intensity focused ultrasound simulator to in-silico phantom to evaluate the effects obtained by different acoustic powers...
June 21, 2017: Endocrine
https://www.readbyqxmd.com/read/28638789/multidisciplinary-approach-of-colorectal-cancer-liver-metastases
#2
REVIEW
Giammaria Fiorentini, Donatella Sarti, Camillo Aliberti, Riccardo Carandina, Andrea Mambrini, Stefano Guadagni
Large bowel cancer is a worldwide public health challenge. More than one third of patients present an advanced stage of disease at diagnosis and the liver is the most common site of metastases. Selection criteria for early diagnosis, chemotherapy and surgery have been recently expanded. The definition of resectability remains unclear. The presence of metastases is the most significant prognostic factor. For this reason the surgical resection of hepatic metastases is the leading treatment. The most appropriate resection approach remains to be defined...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28634923/osteoblastoma-of-the-elbow-analysis-of-13-patients-and-literature-review
#3
Andrea Angelini, Andrès Felipe Varela-Osorio, Giulia Trovarelli, Antonio Berizzi, Gabriele Zanotti, Pietro Ruggieri
PURPOSE: To analyze the clinical and radiographic characteristics, treatment, and outcome of patients with elbow osteoblastoma. PATIENTS AND METHODS: We present 13 patients (7 males and 6 females; mean age, 28 years) diagnosed and treated for an elbow osteoblastoma from 1975 to 2012. Mean follow-up was 29 months (range 12-60 months). Clinical presentation, imaging, surgical treatment, complications, range of elbow motion, and functional outcome were evaluated...
June 20, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28623990/incidence-of-venous-leg-ulcer-healing-and-recurrence-after-treatment-with-endovenous-laser-ablation
#4
William A Marston, Jason Crowner, Ana Kouri, Corey A Kalbaugh
BACKGROUND: The Effect of Surgery and Compression on Healing and Recurrence (ESCHAR) trial previously reported that patients with venous leg ulcers treated with saphenous stripping experienced a significantly reduced incidence of ulcer recurrence compared with patients treated with compression therapy. Most patients with leg ulcers and saphenous insufficiency are currently treated with endovenous thermal ablation (EVTA), but little information is available on the long-term results after EVTA in Clinical, Etiology, Anatomy, and Pathophysiology (CEAP) clinical class 5 (C5) and class 6 (C6) patients...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28613936/the-employment-of-thermographic-examinations-in-the-diagnostics-of-diseases-of-the-paranasal-sinuses
#5
Iwona Niedzielska, Sebastian Pawelec, Zbigniew Puszczewicz
OBJECTIVES: The paper was aimed at assessing the diagnostic value of a thermographic examination of pathology of the paranasal sinuses. METHODS: 39 patients meeting inclusion criteria for the study. The cases of unilateral inflammations of the maxillary sinuses (odontogenic and non-odontogenic, acute and chronic) were chosen on the basis of a comprehensive panel of diagnostic tests including among other things: a radiological examination, endoscopy, the histopathological assessment of the state of the collected mucous membrane...
June 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28612019/thermal-ablation-in-the-management-of-colorectal-cancer-patients-with-oligometastatic-liver-disease
#6
REVIEW
Elena Nadia Petre, Constantinos Sofocleous
BACKGROUND: Surgical resection of limited colorectal liver disease improves long-term survival and can be curative in a subset of selected cases. Image-guided percutaneous ablation therapies have emerged as safe and effective alternative options for selected patients with unresectable colorectal liver metastases (CLM) that can be ablated with margins. Ablation causes focal destruction of tissue and has increasingly been shown to provide durable eradication of tumors. METHODS: A selective review of literature was conducted in PubMed, focusing on recent studies reporting on the safety, efficacy, and long-term outcomes of percutaneous ablation modalities in the treatment of CLM...
March 2017: Visceral Medicine
https://www.readbyqxmd.com/read/28608716/smartphone-based-thermal-imaging-a-new-modality-for-tissue-temperature-measurement-in-hand-and-upper-extremity-surgeries
#7
Jue Cao, Kelly Currie, Patrick Carry, Grady Maddox, Samantha Nino, Kyros Ipaktchi
BACKGROUND: Smartphone-based thermal imaging (SBTI) allows noninvasive temperature measurements. Its validity compared with a conventional infrared probe temperature scanner (IPTS) has not been studied. This study compares temperature measurements between the 2 technologies on human participants. METHODS: Bilateral index finger temperature measurements were obtained on 30 healthy participants using IPTS and SBTI devices. Dominant versus nondominant sides (side-to-side difference) and individual side measurements between the 2 methods were compared for repeatability (precision) and agreement...
June 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28606270/-keratoplasty-classification-and-primary-disease-spectrum-analysis-of-315-cases
#8
S B Cai, M Sun, S Li, L J Xu, W Wang, J Wang, W K Hu, X Y Li, P Wang, H Zhang, G G Li
Objective: To identify the primary disease spectrum and trends of surgical procedure of keratoplasty patients. Methods: Retrospective case series study. To review all patients who underwent keratoplasty at Department of ophthalmology in Tongji Hospital from January 1, 2012 to December 31, 2015. The data collected included age, sex, birthplace, and primary corneal disease and associated surgical procedures. Then the data were compared with similar papers domestic and foreign. Results: A total of 315 keratoplasties were performed during this 4-year period...
June 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28604579/how-to-avoid-a-learning-curve-in-stapedotomy-a-standardized-surgical-technique
#9
Pingling Kwok, Otto Gleich, Katharina Dalles, Elisabeth Mayr, Peter Jacob, Jürgen Strutz
OBJECTIVE: To evaluate, whether a learning curve for beginners in stapedotomy can be avoided by using a prosthesis with thermal memory-shape attachment in combination with a standardized laser-assisted surgical technique. STUDY DESIGN: Retrospective case review. SETTING: Tertiary referral center. PATIENTS: Fifty-eight ears were operated by three experienced surgeons and compared with a group of 12 cases operated by a beginner in stapedotomy...
June 9, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28600329/effect-of-electroacupuncture-on-thermal-pain-threshold-and-expression-of-calcitonin-gene-related-peptide-substance-p-and-%C3%AE-aminobutyric-acid-in-the-cervical-dorsal-root-ganglion-of-rats-with-incisional-neck-pain
#10
Li-Na Qiao, Jun-Ling Liu, Lian-Hong Tan, Hai-Long Yang, Xu Zhai, Yong-Sheng Yang
OBJECTIVE: Acupuncture therapy effectively reduces post-surgical pain, but its mechanism of action remains unclear. The aim of this study was to investigate whether expression of γ-aminobutyric acid (GABA) and the neuropeptides substance P (SP) and calcitonin gene-related peptide (CGRP) in the primary sensory neurons of cervical dorsal root ganglia (DRG) are involved in electroacupuncture (EA)-induced analgesia in a rat model of incisional neck pain. METHODS: The pain model was established by making a longitudinal midline neck incision in 60 rats...
June 9, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28598292/effects-of-primary-and-recurrent-sacral-chordoma-on-the-motor-and-nociceptive-function-of-hindlimbs-in-rats-an-orthotopic-spine-model
#11
Rachel Sarabia-Estrada, Alejandro Ruiz-Valls, Sagar R Shah, A Karim Ahmed, Alvaro A Ordonez, Fausto J Rodriguez, Hugo Guerrero-Cazares, Ismael Jimenez-Estrada, Esteban Velarde, Betty Tyler, Yuxin Li, Neil A Phillips, C Rory Goodwin, Rory J Petteys, Sanjay K Jain, Gary L Gallia, Ziya L Gokaslan, Alfredo Quinones-Hinojosa, Daniel M Sciubba
OBJECTIVE Chordoma is a slow-growing, locally aggressive cancer that is minimally responsive to conventional chemotherapy and radiotherapy and has high local recurrence rates after resection. Currently, there are no rodent models of spinal chordoma. In the present study, the authors sought to develop and characterize an orthotopic model of human chordoma in an immunocompromised rat. METHODS Thirty-four immunocompromised rats were randomly allocated to 4 study groups; 22 of the 34 rats were engrafted in the lumbar spine with human chordoma...
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28598071/-early-systemic-administration-of-il-10-inhibits-neuropathic-pain-in-adult-rats-with-tibial-nerve-injury
#12
Ya-Ping Feng, You-Quan Ding, Hong-Yi Ren, Xuan-Yang Li, Yang Qin, Jian-Guo Qi
OBJECTIVES: To determine the effect of early systemic administration of IL-10 on peripheral neuropathic pain induced by tibial nerve permanent transection [modified spared nerve injury (mSNI)]in adult rats. METHODS: Male adult Sprague-Dawley (SD) rats (ten-week old, 250-300 g) with mSNI were randomly divided into mSNI, sham-operated, IL-10 intervention (intraperitoneal injection), PBS intervention (intraperitoneal injection) groups, each containing six rats. Intraperitoneally injections (IL-10 or PBS) were given immediately after surgeries for a single regime with a dosage of 500 uL (0...
September 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28595652/effect-of-cochlear-implant-surgery-on-vestibular-function-meta-analysis-study
#13
REVIEW
Iman Ibrahim, Sabrina Daniela da Silva, Bernard Segal, Anthony Zeitouni
IMPORTANCE: Vestibular disorders have been reported following cochlear implant (CI) surgery, but the literature shows a wide discrepancy in the reported clinical impact. The aim of this meta-analysis is to quantify the effect of CI before and after surgery on the outcomes of vestibular tests, postural stability, and subjective perception of dizziness. OBJECTIVE: To evaluate the effects of CI surgery on vestibular function in adult patients (≥18 years) with sensorineural hearing loss who underwent unilateral or bilateral implantation...
June 8, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28593055/a-surgical-cryoprobe-for-targeted-transcorneal-freezing-and-endothelial-cell-removal
#14
Alina Akhbanbetova, Shinichiro Nakano, Stacy L Littlechild, Robert D Young, Madara Zvirgzdina, Nigel J Fullwood, Ian Weston, Philip Weston, Shigeru Kinoshita, Naoki Okumura, Noriko Koizumi, Andrew J Quantock
PURPOSE: To examine the effects of transcorneal freezing using a new cryoprobe designed for corneal endothelial surgery. METHODS: A freezing console employing nitrous oxide as a cryogen was used to cool a series of different cryoprobe tip designs made of silver for high thermal conductivity. In vitro studies were conducted on 426 porcine corneas, followed by preliminary in vivo investigations on three rabbit corneas. RESULTS: The corneal epithelium was destroyed by transcorneal freezing, as expected; however, the epithelial basement membrane remained intact...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28590938/combined-passive-acoustic-mapping-and-magnetic-resonance-thermometry-for-monitoring-phase-shift-nanoemulsion-enhanced-focused-ultrasound-therapy
#15
Calum Crake, F Can Meral, Mark Burgess, Iason Papademetriou, Nathan McDannold, Tyrone Porter
Focused ultrasound (FUS) has the potential to enable precise, image-guided noninvasive surgery for the treatment of cancer in which tumors are identified and destroyed in a single integrated procedure. However, success of the method in highly vascular organs has been limited due to heat losses to perfusion, requiring development of techniques to locally enhance energy absorption and heating. In addition, FUS procedures are conventionally monitored using MRI, which provides excellent anatomical images and can map temperature, but is not capable of capturing the full gamut of available data such as the acoustic emissions generated during this inherently acoustically-driven procedure...
June 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28586577/pattern-and-profile-of-electric-burn-injury-cases-at-a-burn-centre
#16
Saeed Ashraf Cheema
BACKGROUND: Electrical burns are quite different from thermal and chemical burns. This study is from a centre which deals with job related electric burn injuries alone and thus can give a pure account of the electric burns and discuss the related peculiarities. Study aims to highlight the differences in the mechanism of electric burn injury, its mode of presentation, morbidity, complications and thus the treatment strategies as compared to rest of the burn injuries. METHODS: This is a descriptive case series study of first consecutive 61 electric burn victims treated at a Burn Unit and Plastic Surgery centre...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28585190/spinal-ampa-receptor-glua1-ser831-phosphorylation-controls-chronic-alcohol-consumption-produced-prolongation-of-postsurgical-pain
#17
Sufang Liu, Zhiying Zhao, Yan Guo, Hui Shu, Changsheng Li, Yuanyuan Tang, Ying Xing, Feng Tao
Previous studies have shown that excessive alcohol drinking is associated with chronic pain development; however, the molecular mechanism underlying this association is poorly understood. In this study, we investigated the effect of chronic alcohol consumption on plantar incision-induced postsurgical pain. We observed that 4-week ethanol drinking significantly prolonged plantar incision-induced mechanical pain, but not thermal pain. The chronic alcohol consumption enhanced plantar incision-produced α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor GluA1 phosphorylation at the Ser831 site in the spinal cord...
June 5, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28579906/dexmedetomidine-attenuates-neuropathic-pain-in-chronic-constriction-injury-by-suppressing-nr2b-nf-%C3%AE%C2%BAb-and-inos-activation
#18
Feng Liang, Miao Liu, Xin Fu, Xueying Zhou, Peng Chen, Fanglei Han
The effective treatment of patients suffering from neuropathic pain remains challenging. Dexmedetomidine (DEX) possesses anti-inflammatory activity. However, the role of DEX in neuropathic pain is still unclear. The aim of the present study was to examine DEX an α2-adrenoceptor agonist could improve pain hypersensitivity and reduce inflammatory in a chronic constriction injury (CCI) model of the sciatic nerve in Sprague-Dawley rats. Dex was intrathecally administrated 1-h after operation. The paw mechanical withdrawal threshold (MWT) and paw withdrawal thermal latency (PWTL) were measured on day 1 before operation and on days 1, 7, 14 and 21 after operation, respectively...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28579684/decision-making-thermal-ablation-options-for-small-renal-masses
#19
REVIEW
Colin J McCarthy, Debra A Gervais
Renal cell carcinoma is a relatively common tumor, with an estimated 63,000 new cases being diagnosed in the United States in 2016. Surgery, be it with partial or total nephrectomy, is considered the mainstay of treatment for many patients. However, those patients with small renal masses, typically less than 3 to 4 cm in size who are deemed unsuitable for surgery, may be suitable for percutaneous thermal ablation. We review the various treatment modalities, including radiofrequency ablation, microwave ablation, and cryoablation; discuss the advantages and disadvantages of each method; and review the latest data concerning the performance of the various ablative modalities compared with each other, and compared with surgery...
June 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28579683/metastatic-liver-disease-indications-for-locoregional-therapy-and-supporting-data
#20
REVIEW
Susan Shamimi-Noori, Carin F Gonsalves, Colette M Shaw
Metastatic liver disease is a major cause of cancer-related morbidity and mortality. Surgical resection is considered the only curative treatment, yet only a minority is eligible. Patients who present with unresectable disease are treated with systemic agents and/or locoregional therapies. The latter include thermal ablation and catheter-based transarterial interventions. Thermal ablation is reserved for those with limited tumor burden. It is used to downstage the disease to enable curative surgical resection, as an adjunct to surgery, or in select patients it is potentially curative...
June 2017: Seminars in Interventional Radiology
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