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https://www.readbyqxmd.com/read/29214064/bronchoscopy-for-the-diagnosis-of-peripheral-lung-lesions
#1
REVIEW
Samjot Singh Dhillon, Kassem Harris
Peripheral pulmonary lesions (PPLs) are generally considered as lesions in the peripheral one-third of the lung although a precise definition and radiographic anatomical landmarks separating central and peripheral lesion does not yet exist. The radiographic detection of such lesions has increased significantly with the adoption of lung cancer screening programs. These lesions are not directly visible by regular flexible bronchoscopes as they are usually distal to the lobar and segmental bronchi. Traditionally, depending on location and clinical stage at presentation, these lesions were typically sampled by computerized tomography (CT) guided needle or surgical biopsy although some centers also used ultrasound and fluoroscopy guided percutaneous needle biopsy...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29205687/ultrasound-guided-pudendal-nerve-block-in-children-a-new-technique-of-ultrasound-guided-transperineal-approach
#2
Isabelle Gaudet-Ferrand, Pablo De La Arena, Sophie Bringuier, Olivier Raux, Laurent Hertz, Nicolas Kalfa, Chrystelle Sola, Christophe Dadure
BACKGROUND: Transperineal pudendal nerve block guided by nerve stimulator is used in pediatric anesthesia as an alternative to caudal analgesia in perineal surgery. The risk of rectal puncture or intravascular injection is inherent to this blinded technique. We described a new technique of transperineal pudendal nerve block, with ultrasound guidance, to improve safety of the technique. AIMS: The first goal of this study was to describe this new technique and to test its feasibility...
December 5, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29201767/management-of-liver-abscess-in-children-our-experience
#3
Mukta Waghmare, Hemanshi Shah, Charu Tiwari, Kiran Khedkar, Suraj Gandhi
Introduction: Liver abscess is common in pediatric population in India. Children have unique set of predisposing factors and clinical features. Liver abscesses are infectious, space-occupying lesions in the liver; the two most common abscesses being pyogenic and amebic. Its severity depends on the source of the infection and the underlying condition of the patient. Materials and methods: A total of 34 patients less than 12 years were assessed in a retrospective study from January 2012 to 2016...
January 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29177589/ultrasound-guided-core-needle-biopsy-prior-to-thermo-ablative-treatment-of-uterine-tumors-first-results
#4
Christina B Walter, Andreas D Hartkopf, Dorit Schoeller, Bernhard Kraemer, Felix Neis, Florin-Andrei Taran, Keith B Isaacson, Sara Y Brucker, Markus Hahn
PURPOSE: This study aimed at evaluating the diagnostic yield for core needle biopsies of uterine fibroids before laparoscopic radiofrequency volumetric thermal ablation (RFVTA) with the aim of sonographic imaging. This study was in the context of a randomized, prospective, single-center, longitudinal comparative study in which RFVTA and laparoscopic myomectomy for symptomatic uterine fibroids were compared. METHODS: All patients of the RFVTA-arm received a core needle biopsy under the guidance of an intraoperative laparoscopic ultrasound system...
November 24, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29174959/blind-versus-ultrasound-guided-maxillary-nerve-block-in-donkeys
#5
Usama Hagag, Mohamed G Tawfiek
OBJECTIVES: To describe the 'blind' and ultrasound-guided approaches to block the maxillary nerve in donkeys. To compare the success and complication rates between the 'blind' and ultrasound-guided techniques based on staining of nerves and other structures in cadavers and assessing level of analgesia in live animals. STUDY DESIGN: Prospective anatomical and experimental study. ANIMALS: Eighteen cadaver heads and nine adult live donkeys. METHODS: Phase 1: the anatomical characteristics of the maxillary nerve and its related structures were investigated within the pterygopalatine fossa in five cadavers...
July 15, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29169493/contemporary-arterial-access-in-the-cardiac-catheterization-laboratory
#6
REVIEW
Yader Sandoval, M Nicholas Burke, Angie S Lobo, Daniel L Lips, Arnold H Seto, Ivan Chavez, Paul Sorajja, Mazen S Abu-Fadel, Yale Wang, Anil Poulouse, Mario Gössl, Michael Mooney, Jay Traverse, David Tierney, Emmanouil S Brilakis
Obtaining femoral and radial arterial access in the cardiac catheterization laboratory using state-of-the-art techniques is essential to optimize outcomes, patient satisfaction, and procedural efficiency. Although transradial access is increasingly used for coronary angiography and percutaneous coronary intervention, femoral access remains necessary for numerous procedures, many requiring large-bore access, including complex high-risk coronary interventions, structural procedures, and procedures involving mechanical circulatory support...
November 27, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29161789/current-status-of-thyroid-fine-needle-aspiration-practice-in-thailand
#7
REVIEW
Somboon Keelawat, Samreung Rangdaeng, Supinda Koonmee, Tikamporn Jitpasutham, Andrey Bychkov
Thyroid carcinoma is one of the leading malignancies in Thailand increasingly prevalent in the female population. Fine-needle aspiration (FNA) cytology is a widely used diagnostic tool for evaluation of thyroid nodules and thyroid cancer. Thyroid FNA is a routine procedure universally performed in Thai hospitals by a variety of clinical specialists. Manual guidance is the first-line choice complemented by ultrasound assistance in selected cases. Despite national guidelines recommendations, the diagnostic criteria and terminology of the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) was slowly adopted in the local settings...
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29155745/hand-held-clinical-photoacoustic-imaging-system-for-real-time-non-invasive-small-animal-imaging
#8
Kathyayini Sivasubramanian, Vijitha Periyasamy, Manojit Pramanik
Translation of photoacoustic imaging into the clinic is a major challenge. Handheld real-time clinical photoacoustic imaging systems are very rare. Here, we report a combined photoacoustic and clinical ultrasound imaging system by integrating an ultrasound probe with light delivery for small animal imaging. We demonstrate this by showing sentinel lymph node imaging in small animals along with minimally invasive real-time needle guidance. A clinical ultrasound platform with access to raw channel data allows the integration of photoacoustic imaging leading to a handheld real-time clinical photoacoustic imaging system...
October 16, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29150470/platelet-rich-plasma-in-achilles-tendon-healing-2-path-2-trial-protocol-for-a-multicentre-participant-and-assessor-blinded-parallel-group-randomised-clinical-trial-comparing-platelet-rich-plasma-prp-injection-versus-placebo-injection-for-achilles-tendon-rupture
#9
Joseph Alsousou, David J Keene, Philippa A Hulley, Paul Harrison, Susan Wagland, Christopher Byrne, Michael Maia Schlüssel, Susan J Dutton, Sarah E Lamb, Keith Willett
BACKGROUND: Achilles tendon injuries give rise to substantial long-lasting morbidity and pose considerable challenges for clinicians and patients during the lengthy healing period. Current treatment strategies struggle to curb the burden of this injury on health systems and society due to lengthy rehabilitation, work absence and reinjury risk. Platelet-rich plasma (PRP) is an autologous preparation that has been shown to improve the mechanobiological properties of tendons in laboratory and animal studies...
November 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29148002/targeting-zero-catheter-related-bloodstream-infections-in-pediatric-intensive-care-unit-a-retrospective-matched-case-control-study
#10
Daniele G Biasucci, Mauro Pittiruti, Alessandra Taddei, Enzo Picconi, Alessandro Pizza, Davide Celentano, Marco Piastra, Giancarlo Scoppettuolo, Giorgio Conti
INTRODUCTION: The aim of this study was to evaluate the effectiveness and safety of a new three-component 'bundle' for insertion and management of centrally inserted central catheters (CICCs), designed to minimize catheter-related bloodstream infections (CRBSIs) in critically ill children. METHODS: Our 'bundle' has three components: insertion, management, and education. Insertion and management recommendations include: skin antisepsis with 2% chlorhexidine; maximal barrier precautions; ultrasound-guided venipuncture; tunneling of the catheter when a long indwelling time is expected; glue on the exit site; sutureless securement; use of transparent dressing; chlorhexidine sponge dressing on the 7th day; neutral displacement needle-free connectors...
November 8, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29143914/sclerosing-mesenteritis-diagnosed-with-computed-tomography-and-ultrasound-guided-needle-biopsy-the-utility-of-the-coaxial-technique
#11
Masayuki Ueno, Naoyuki Nishimura, Yuichi Shimodate, Akira Doi, Hirokazu Mouri, Kazuhiro Matsueda, Hiroshi Yamamoto, Motowo Mizuno
Here we report a case of sclerosing mesenteritis that we diagnosed with needle biopsy under the guidance of computed tomography (CT) and ultrasound (US) observation. An 82-year-old woman presented with appetite loss, weight loss and epigastric pain. CT of the abdomen and pelvis revealed increased density of the mesentery adjacent to the small bowel and enlarged lymph nodes. Sclerosing mesenteritis was suspected, but malignancies, such as lymphoma, were also considered. We performed CT and US-guided needle biopsy with the coaxial technique...
November 16, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29135692/ultrasound-with-neurostimulation-compared-with-ultrasound-guidance-alone-for-lumbar-plexus-block-a-randomised-single-blinded-equivalence-trial
#12
Vanlapa Arnuntasupakul, Theerawat Chalachewa, Prangmalee Leurcharusmee, Worakamol Tiyaprasertkul, Roderick J Finlayson, De Q Tran
BACKGROUND: Ultrasound-guided lumbar plexus blocks usually require confirmatory neurostimulation. A simpler alternative is to inject local anaesthetic inside the posteromedial quadrant of the psoas muscle under ultrasound guidance. OBJECTIVE: We hypothesised that both techniques would result in similar total anaesthesia time, defined as the sum of performance and onset time. DESIGN: A randomised, observer-blinded, equivalence trial (equivalence margin = 7...
November 11, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29089521/percutaneous-ureteroscopy-laser-unroofing-a-minimally-invasive-approach-for-renal-cyst-treatment
#13
Jia Hu, Najib Isse Dirie, Jun Yang, Ding Xia, Yuchao Lu, Xiao Yu, Shaogang Wang
Most simple renal cysts rarely require therapy. When it grows to such a large size, regardless of the presence of symptomatology, surgical intervention is required. In this study, we explored a new approach called percutaneous ureteroscopy laser unroofing for treatment renal cysts and evaluated its safety and efficacy. 71 simple renal cyst patients with surgical indications were enrolled, including 6 patients with a peripelvic cyst and 5 patients coexisting ipsilateral calculi. Under ultrasound guidance, an eighteen-gauge needle was placed inside the cyst cavity, and a guidewire was introduced followed by sequential dilation up to 28 F...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28983903/dynamic-ultrasound-guided-short-axis-needle-tip-navigation-technique-vs-landmark-technique-for-difficult-saphenous-vein-access-in-children-a-randomised-study
#14
S Hanada, M T Van Winkle, S Subramani, K Ueda
Dynamic ultrasound-guided short-axis needle tip navigation is a novel technique for vascular access. After venipuncture, the needle and catheter are further advanced within the vessel lumen under real-time ultrasound guidance with constant visualisation of the needle tip in the short-axis view. This can minimise the risk of transfixing the cannulated vessel. We compared two techniques for non-visible saphenous vein cannulation under general anaesthesia in children weighing ≥ 3 kg and less than four years of age: dynamic ultrasound-guided short-axis needle tip navigation technique (ultrasound group) vs...
October 6, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28981204/a-real-time-prediction-model-for-post-irradiation-malignant-cervical-lymph-nodes
#15
Wu-Chia Lo, Po-Wen Cheng, Pei-Wei Shueng, Chen-Hsi Hsieh, Yih-Leong Chang, Li-Jen Liao
OBJECTIVE: To establish a real-time predictive scoring model based on sonographic characteristics for identifying malignant cervical lymph nodes (LNs) in cancer patients after neck irradiation. METHODS: One-hundred-forty-four irradiation-treated patients underwent ultrasonography and ultrasound-guided fine needle aspirations (USgFNAs), and the resultant data were used to construct a real-time and computerized predictive scoring model. This scoring system was further compared with our previously proposed prediction model...
October 5, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28972801/adequacy-of-percutaneous-non-targeted-liver-biopsy-under-real-time-ultrasound-guidance-when-comparing-the-biopince%C3%A2-and-achieve%C3%A2-biopsy-needle
#16
Thomas C Hall, Claire Deakin, Gurprit Ss Atwal, Rajeev K Singh
OBJECTIVE: The purpose of this study was to compare the adequacy rates of percutaneous liver biopsies, in parenchymal liver disease, using the Biopince(TM) (Argon Medical, Texas, TX, ) 16G and Achieve(TM) (Carefusion, Illinois, IL, USA) 18G biopsy needles in relation to the Royal College of Pathologists guidelines and to assess risk of complications. METHODS: Data for all percutaneous non-targeted "medical" liver biopsies using the Biopince 16G and Achieve 18G biopsy needles were collected retrospectively over a 2-year period...
December 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28959134/examination-of-selective-low-pressure-fine-needle-aspiration-cytology-under-ultrasound-guidance
#17
Yuzo Shimode, Hiroyuki Tsuji, Takahiro Fukuhara, Osamu Kawakami, Toshiki Tsutsumiuchi, Takuya Noda, Kentaro Yamada, Kazuhiro Kishimoto, Satoko Nakata, Rie Terauchi, Mariko Nakano, Takayuki Nojima, Hiromi Takeuchi
Cytology by fine-needle cytology is indispensable for diagnosing head and neck tumor, especially for thyroid nodule. There are two methods of fine needle cytology; one of fine-needle aspiration cytology (FNAC and another of fine-needle non-aspiration cytology (FNNAC). These previous procedures has each disadvantage such as the mixing of blood or low yield of cells. We proposed a new technique: selective low-pressure fine needle aspiration cytology (SLOP-FNAC) to overcome the backwards of previous procedures...
September 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28956110/ultrasound-guided-percutaneous-radiofrequency-for-the-treatment-of-morton-s-neuroma
#18
Salvatore Masala, Alessandro Cuzzolino, Marco Morini, Mario Raguso, Roberto Fiori
PURPOSE: Morton's neuroma (MN) is a leading cause of disability. The purpose of this study was to investigate the effectiveness of radiofrequency (RF) in patients with chronic pain refractory to conservative therapies. METHODS: Between September 2012 and December 2016, RF was performed on 52 patients. A sterile RF needle probe (22G, 5-cm needle with 10-mm electrode active tip) was inserted between the toes into the intermetatarsal space at the center of the lesion...
September 27, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28948240/ultrasonic-needle-tracking-with-a-fibre-optic-ultrasound-transmitter-for-guidance-of-minimally-invasive-fetal-surgery
#19
Wenfeng Xia, Sacha Noimark, Sebastien Ourselin, Simeon J West, Malcolm C Finlay, Anna L David, Adrien E Desjardins
Ultrasound imaging is widely used for guiding minimally invasive procedures, including fetal surgery. Visualisation of medical devices such as medical needles is critically important and it remains challenging in many clinical contexts. During in-plane insertions, a needle can have poor visibility at steep insertion angles and at large insertion depths. During out-of-plane insertions, the needle tip can have a similar ultrasonic appearance to the needle shaft when it intersects with the ultrasound imaging plane...
September 2017: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
https://www.readbyqxmd.com/read/28946529/management-of-refractory-sciatic-neuropathic-pain-using-ultrasound-guided-pulsed-radiofrequency
#20
Dong Gyu Lee, Yun Woo Cho, Kil-Ho Cho, Min Cheol Chang
BACKGROUND AND OBJECTIVE: Nowadays, pulsed radiofrequency (PRF) is being used to control several types of musculoskeletal pain. Herein, we report a successful application of ultrasound (US)-guided PRF for a patient with refractory sciatic neuropathic pain. CASE REPORT: We applied US-guided PRF to a 50-year-old man, suffering from refractory neuropathic pain on the left foot following sciatic neuropathy for a period of approximately 6 months. We performed PRF on the level of piriformis muscle because the lesion of the sciatic nerve was presented digitally from the level of piriformis muscle on the magnetic resonance images...
September 22, 2017: Journal of Back and Musculoskeletal Rehabilitation
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