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Preoperative ultrasound

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https://read.qxmd.com/read/30777672/ultrasound-based-topographic-analysis-of-tributary-vein-connection-with-the-saphenous-vein-during-ambulatory-conservative-hemodynamic-correction-of-chronic-venous-insufficiency
#1
Sangchul Yun
OBJECTIVE: Preoperative mapping of great saphenous vein (GSV) escape points to tributary veins (TVs) and targeted intervention of escape points may reduce recurrence rates of varicose veins (VVs) after endovascular treatment of saphenous veins and prevent saphenous nerve complications. The aim of this study was to perform an analysis of cartography after Doppler ultrasound mapping of escape points in patients with VVs and to suggest one point that may prevent recurrence and nerve complications...
February 15, 2019: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://read.qxmd.com/read/30777203/meta-analysis-of-ultrasound-for-cervical-lymph-nodes-in-papillary-thyroid-cancer-diagnosis-of-central-and-lateral-compartment-nodal-metastases
#2
Hengqiang Zhao, Hehe Li
PURPOSE: To evaluate the performance of preoperative ultrasound in the diagnosis of cervical lymph nodes metastases (CLNM) of papillary thyroid cancer (PTC) and its value in assisting cervical lymph node dissection (CLND). METHODS: PubMed, EMBASE and Cochrane Library databases were searched to identify relevant studies up to Sep. 2017. Overall sensitivity, specificity, and diagnostic odds ratio (DOR) were used to assess the diagnostic efficacy of ultrasound in detecting central and lateral CLNM of PTC...
March 2019: European Journal of Radiology
https://read.qxmd.com/read/30776584/advanced-gastric-cancer-with-features-of-a-submucosal-tumor-diagnosed-by-endoscopic-ultrasound-guided-fine-needle-aspiration-and-boring-biopsy-preoperatively-a-case-report-and-literature-review
#3
Hiroaki Yamane, Michihiro Ishida, Seisyu Banzai, Tetsushi Kubota, Soichiro Miyake, Yasuhiro Choda, Hitoshi Idani, Shigehiro Shiozaki, Masazumi Okajima
INTRODUCTION: Gastric cancer with features of a submucosal tumor (GCSMT) is rare, and the preoperative diagnosis is very difficult. We present a case of GCSMT diagnosed by endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) and boring biopsy (deeper biopsy), successfully treated with distal gastrectomy and lymph node dissection. PRESENTATION OF CASE: An 81-year-old man with a history of myocardial infarction and type 2 diabetes mellitus was admitted to our hospital for further examination of a gastric submucosal tumor...
February 8, 2019: International Journal of Surgery Case Reports
https://read.qxmd.com/read/30773500/spontaneous-penile-tumescence-by-sparing-cavernous-tissue-in-the-course-of-malleable-penile-prosthesis-implantation
#4
Adham Zaazaa, Taymour Mostafa
INTRODUCTION: Spontaneous penile tumescence after penile prosthesis implantation has been sporadically reported in the literature. AIM: To preserve residual erectile function of patients' spontaneous penile tumescence by sparing cavernous tissue in the course of malleable penile prosthesis implantation. METHODS: Overall, 92 patients were randomized into 2 equal arms; patients undergoing conventional malleable penile prosthesis implantation, and patients undergoing the cavernous tissue-sparing technique...
February 14, 2019: Journal of Sexual Medicine
https://read.qxmd.com/read/30771825/subscapularis-tenotomy-versus-lesser-tuberosity-osteotomy-during-total-shoulder-arthroplasty-for-primary-osteoarthritis-a-prospective-randomized-controlled-trial
#5
William N Levine, Julianne Munoz, Stephanie Hsu, Ian R Byram, Louis U Bigliani, Christopher S Ahmad, Pinkawas Kongmalai, Jamal N Shillingford
BACKGROUND: There is no current consensus on subscapularis mobilization during total shoulder arthroplasty. The purpose of this prospective, randomized controlled trial was to compare functional and radiographic outcomes of the more traditional subscapularis tenotomy (ST) versus lesser tuberosity osteotomy (LTO). METHODS: This study enrolled 60 shoulders in 59 patients with primary osteoarthritis. Thirty shoulders were preoperatively randomized to each group. Preoperative and 6-week, 3-month, 6-month, and 1-year postoperative data were collected...
March 2019: Journal of Shoulder and Elbow Surgery
https://read.qxmd.com/read/30771153/preliminary-report-of-microwave-ablation-for-the-primary-papillary-thyroid-microcarcinoma-a-large-cohort-of-185-patients-feasibility-study
#6
Deng-Ke Teng, He-Qun Li, Guo-Qing Sui, Yuan-Qiang Lin, Qiang Luo, Ping Fu, Jia-Rui Du, Chun-Xiang Jin, Hui Wang
PURPOSE: To assess the safety and efficacy of microwave ablation (MWA) for primary papillary thyroid microcarcinoma (PTMC) with a large sample of 185 patients. METHODS: A total of 185 patients underwent MWA for 206 primary PTMC nodules. They received ultrasound follow-up at 1, 3, 6, and 12 months after MWA and every 6 months thereafter. Nodule volumes were calculated at each follow-up and compared with those before MWA. Additionally, the volume reduction rate (VRR) of the nodules was calculated...
February 15, 2019: Endocrine
https://read.qxmd.com/read/30771098/3d-printing-for-heart-valve-disease-a-systematic-review
#7
REVIEW
Volkan Tuncay, Peter M A van Ooijen
BACKGROUND: Current developments showed a fast-increasing implementation and use of three-dimensional (3D) printing in medical applications. Our aim was to review the literature regarding the application of 3D printing to cardiac valve disease. METHODS: A PubMed search for publications in English with the terms "3D printing" AND "cardiac valve", performed in January 2018, resulted in 64 items. After the analysis of the abstract and text, 27 remained related to the topic...
February 15, 2019: European radiology experimental
https://read.qxmd.com/read/30770421/ultrasound-guided-percutaneous-peripheral-nerve-stimulation-neuromodulation-of-the-suprascapular-nerve-and-brachial-plexus-for-postoperative-analgesia-following-ambulatory-rotator-cuff-repair-a-proof-of-concept-study
#8
Brian M Ilfeld, John J Finneran, Rodney A Gabriel, Engy T Said, Patrick L Nguyen, Wendy B Abramson, Bahareh Khatibi, Jacklynn F Sztain, Matthew W Swisher, Pia Jaeger, Dana C Covey, Matthew J Meunier, Eric R Hentzen, Catherine M Robertson
BACKGROUND AND OBJECTIVES: Percutaneous peripheral nerve stimulation (PNS) is an analgesic modality involving the insertion of a lead through an introducing needle followed by the delivery of electric current. This modality has been reported to treat chronic pain as well as postoperative pain following knee and foot surgery. However, it remains unknown if this analgesic technique may be used in ambulatory patients following upper extremity surgery. The purpose of this proof-of-concept study was to investigate various lead implantation locations and evaluate the feasibility of using percutaneous brachial plexus PNS to treat surgical pain following ambulatory rotator cuff repair in the immediate postoperative period...
February 15, 2019: Regional Anesthesia and Pain Medicine
https://read.qxmd.com/read/30769062/effect-of-inflow-arterial-calcification-on-arteriovenous-fistula-maturation
#9
Suh Min Kim, In Mok Jung, Daehwan Kim, Jung Pyo Lee, Young Ho So
BACKGROUND: The aim of this study was to investigate the effect of preexisting calcification in the inflow artery on maturation and flow volume of an arteriovenous fistula (AVF). MATERIALS AND METHODS: Patients who underwent AVF creation for hemodialysis were prospectively recruited between March and November 2017. On preoperative duplex ultrasound, calcification in the arterial media within 5cm of the planned anastomosis area was assessed. Clinical maturation was defined as the successful use of the fistula for ≥75% of the dialysis sessions during a month within 6 months after surgery...
February 12, 2019: Annals of Vascular Surgery
https://read.qxmd.com/read/30767557/systematic-review-of-preoperative-carotid-duplex-ultrasound-compared-with-computed-tomography-carotid-angiography-for-carotid-endarterectomy
#10
T Forjoe, M Asad Rahi
INTRODUCTION: We reviewed the literature for preoperative computed tomography carotid angiography and/or carotid duplex to determine their respective sensitivity and specificity in assessing the degree of carotid stenosis. We aimed to identify whether one imaging modality can accurately identify critical stenosis in patients presenting with transient ischaemic attack or symptoms of a cerebrovascular accident requiring carotid endarterectomy. METHODS: Systematic search of MEDLINE, Embase, Cochrane database of systematic reviews, all Evidence-Based Medicine Reviews (Cochrane Database of Systematic Reviews, ACP Journal club, Database of Abstracts of Reviews of Effects, Cochrane Clinical Answers, Cochrane Controlled Trials Register, Cochrane Methodology Register, Health Technology Assessment and NHS Economic Evaluation Database) for primary studies relating to computed tomography carotid angiography (CTA) and/or carotid duplex ultrasound (CDU)...
February 15, 2019: Annals of the Royal College of Surgeons of England
https://read.qxmd.com/read/30747692/gallbladder-polyps-real-or-imagined
#11
Yiping Li, Talar Tejirian, J Craig Collins
The finding of gallbladder polyps on imaging studies prompts further workup. Imaging results are often discordant with final pathology. The goal of this study is to compare polypoid lesions of the gallbladder found on preoperative ultrasound (US) with final pathologic diagnosis after cholecystectomy to help guide clinical decision-making. A retrospective study was conducted identifying adult patients who were diagnosed with polyps via US and who underwent cholecystectomy from 2008 through 2015. Imaging data, final pathology, and demographics were manually reviewed...
October 1, 2018: American Surgeon
https://read.qxmd.com/read/30747675/current-imaging-modalities-understage-one-third-of-patients-with-stage-i-rectal-cancer-implications-for-treatment-selection
#12
Ahmed Dehal, Amanda N Graff-Baker, Brooke Vuong, Daniel Nelson, Shu-Ching Chang, Melanie Goldfarb, Anton J Bilchik
Accurate preoperative clinical staging is essential to optimize the treatment of rectal cancer. Primary surgical resection is typically indicated for stage I disease, whereas neoadjuvant therapy is recommended for stages II and III. The objective of this study is to examine the accuracy of clinical staging using current imaging modalities in predicting pathologic stage and, thus, selecting appropriate treatment. Adult patients with nonmetastatic rectal cancer who underwent primary surgical resection were identified from the National Cancer Database between 2006 and 2014...
October 1, 2018: American Surgeon
https://read.qxmd.com/read/30745743/role-of-ebus-tbna-in-staging-of-lung-cancer-a-clinician-s-perspective
#13
Inderpaul Singh Sehgal, Ritesh Agarwal, Sahajal Dhooria, Kuruswamy Thurai Prasad, Ashutosh N Aggarwal
The treatment of non-small cell lung cancer (NSCLC) includes surgical resection with curative intent in early-stage disease and chemoradiation in the advanced stage disease. Therefore, an accurate preoperative mediastinal lymph node staging is required not only to offer the appropriate treatment but also to avoid unnecessary invasive procedures including thoracotomy. The mediastinal lymph nodes can be sampled using several techniques including mediastinoscopy, surgery (open or video-assisted thoracoscopic surgery), endobronchial ultrasound (EBUS)-guided transbronchial needle aspiration (TBNA), or endoscopic ultrasound (EUS)-guided fine needle aspiration (FNA)...
January 2019: Journal of Cytology
https://read.qxmd.com/read/30741670/a-novel-diagnostic-system-for-doppler-ultrasound-of-the-peripheral-arteries-to-detect-the-presence-of-thoracic-aortic-aneurysm
#14
Yukihiro Hayatsu, Koyu Watanabe, Konosuke Sasaki, Naoki Masaki, Shintaro Katahira, Kiichiro Kumagai, Shunsuke Kawamoto, Toshihito Ohmi, A Toshimitsu Yokobori, Yoshikatsu Saiki
OBJECTIVES: We aimed to develop a novel ultrasound system and examine its feasibility for noninvasively detecting thoracic aortic aneurysm (TAA) in clinical settings. METHODS: We developed a novel ultrasound system consisting of a modified console and data analysis algorithm. The exploratory study included 100 patients hospitalized for elective cardiovascular surgery. After admission, the arterial pulse waveform at the left carotid artery was acquired using the novel system...
February 6, 2019: Bio-medical Materials and Engineering
https://read.qxmd.com/read/30740174/irbesartan-induced-cutaneous-melanoma-second-case-in-the-medical-literature
#15
Georgi Tchernev, Ivanka Temelkova
BACKGROUND: Drug-induced melanoma is a topic, concept or "reality" becoming more and more popular as the list of drugs considered as potential inducers of cutaneous melanoma is constantly growing. Interesting and current at the moment is the question/dilemma of "Irbesartan induced melanomas" and "Valsartan induced melanomas"! The following questions are without answers: 1) the general risk which angiotensin receptor blockers contain for potentiating the carcinogenesis and cancer development (as a whole); 2) available officialized data for withdrawal from the market of products with valsartan and irbesartan due to detected potential carcinogens-NDMA/NDEA, and 3) the missing official information on the most likely forms of cancer potentiated by these drugs...
January 15, 2019: Open Access Macedonian Journal of Medical Sciences
https://read.qxmd.com/read/30739413/-application-of-high-frequency-color-doppler-ultrasound-combined-with-wide-field-imaging-in-the-preoperative-navigation-of-anterolateral-thigh-perforator-flap-surgery
#16
Yu Guo, Zairong Wei, Kewei Zeng, Fengling Zhang, Chengliang Deng, Wenduo Zhang, Dali Wang
Objective: To investigate the application of high frequency color Doppler ultrasound (HFCDU) combined with wide-field imaging in the preoperative navigation of anterolateral thigh perforator flap graft. Methods: Between January 2017 and March 2018, 28 patients with skin and soft tissue defects were treated, including 22 males and 6 females, with an average age of 33.5 years (range, 17-66 years). The causes of injury included 2 cases of scald scar, 7 cases of heavy object crushing injury, 12 cases of traffic accident injury, 4 cases of fall injury, 2 cases of machine injury, and 1 case of infection ulcer...
February 1, 2019: Chinese Journal of Reparative and Reconstructive Surgery
https://read.qxmd.com/read/30736749/ciliochoroidal-detachment-after-ahmed-glaucoma-valve-implantation-a-retrospective-study
#17
Lin Fu, Yau Kei Chan, Li Nie, Qi Dai, Zhenbin Qian, Kendrick Co Shih, Jimmy Shiu Ming Lai, Rong Huang, Weihua Pan
BACKGROUND: To investigate the occurrence of ciliochoroidal detachment (CCD), its risk factors and its impact on the success rate after Ahmed glaucoma valve (AGV) implantation. METHODS: This is a retrospective observational study carried out at Eye Hospital of Wenzhou Medical University, Zhejiang, China. Patients with uncontrolled glaucoma who underwent AGV implantation alone or combined with phacoemulsification (AGV-Phaco) in the hospital from April 1, 2013 to July 31, 2016 were included...
February 6, 2019: BMC Ophthalmology
https://read.qxmd.com/read/30736712/endorectal-ultrasound-and-magnetic-resonance-imaging-for-staging-of-early-rectal-cancers-how-well-does-it-work-in-practice
#18
Kristian Oien, Håvard Mjørud Forsmo, Cornelia Rösler, Kim Nylund, Jo Erling Waage, Frank Pfeffer
BACKGROUND: Rectal tumor treatment strategies are individually tailored based on tumor stage, and yield different rates of posttreatment morbidity, mortality, and local recurrence. Therefore, the accuracy of pretreatment staging is highly important. Here we investigated the accuracy of staging by magnetic resonance imaging (MRI) and endorectal ultrasound (ERUS) in a clinical setting. MATERIAL AND METHODS: A total of 500 patients were examined at the rectal cancer outpatient clinic at Haukeland University Hospital between October 2014 and January 2018...
February 8, 2019: Acta Oncologica
https://read.qxmd.com/read/30734182/venous-thromboembolism-in-necrotizing-pancreatitis-an-underappreciated-risk
#19
Alexandra M Roch, Thomas K Maatman, Rose A Carr, Cameron L Colgate, Eugene P Ceppa, Michael G House, James Lopes, Attila Nakeeb, C Max Schmidt, Nicholas J Zyromski
BACKGROUND: Necrotizing pancreatitis (NP) is a severe systemic inflammatory process. We have observed a high incidence of venous thromboembolism (VTE) in NP patients. However, remarkably few data exist to document the true incidence of VTE-including splanchnic vein thrombosis (SVT), extremity deep venous thrombosis (eDVT), and pulmonary embolism (PE)-in NP. Therefore, we sought to determine the incidence and risk factors for VTE in NP patients. METHODS: Retrospective review of all NP patients treated at a single academic center between 2005 and 2015...
February 7, 2019: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://read.qxmd.com/read/30725445/pancreatic-granular-cell-tumor-diagnosed-by-endoscopic-ultrasound-guided-fine-needle-aspiration-biopsy
#20
Chonlada Krutsri, Tomohisa Iwai, Mitsuhiro Kida, Hiroshi Imaizumi, Toshihiro Kawano, Masayoshi Tadehara, Masafumi Watanabe, Kosuke Okuwaki, Hiroshi Yamauchi, Koizumi Wasaburo
Pancreatic granular cell tumors (GCTs) are rare and making an imaging diagnosis of pancreatic GCT is difficult because it has no definite characteristics on contrast-enhanced computed tomography (CE-CT) or magnetic resonance imaging (MRI) owing to varying findings. We report about a 32-year-old woman who presented with an incidental finding of a pancreatic tumor with a past history of excision of a right forearm GCT nodule 12 years ago. CE-CT revealed a 23-mm-sized homogeneous low enhancement tumor in the arterial phase in the pancreatic body...
February 6, 2019: Clinical Journal of Gastroenterology
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