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intra-operative ultrasound

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https://www.readbyqxmd.com/read/27903485/endovascular-repair-of-thoraco-abdominal-aortic-aneurysm-in-high-surgical-risk-patients-fenestrated-and-branched-endografts
#1
E Gallitto, M Gargiulo, A Freyrie, C Bianchini Massoni, R Pini, C Mascoli, G L Faggioli, S Ancetti, A Stella
AIM: To report early and mid-term results of endovascular repair of thoraco-abdominal aneurysms (TAAA) by using of Cook-Zenith fenestrated/branched endografts (FB-EVAR) in high-surgical risk patients unfit for open repair (OR). METHODS: Between January 2012 and April 2015, all the patients with TAAA, considered at high-surgical risk for OR and treated by Cook-Zenith FB-EVAR, were prospectively enrolled. Patients were studied using a thoraco-abdominal computer tomography angiography (CTA) and dedicated software for advanced vessels analysis...
November 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27874184/antenatal-ultrasound-features-in-fetuses-with-gastroschisis-and-its-prediction-in-neonatal-outcome
#2
Jessica A Robertson, Roy M Kimble, Kellie Stockton, Renuka Sekar
BACKGROUND: Gastroschisis is the most common major congenital anomaly managed by paediatric surgeons. The significance of certain associated antenatal ultrasound features in determining fetal outcome is under discussion. AIM: The study aims to define if associated antenatal ultrasound features of gastroschisis are useful prognostic markers for fetal outcome. By establishing the significance of features, including extra- and intra-abdominal bowel dilatation, stomach herniation, stomach dilatation, bowel matting, growth restriction, abnormal umbilical artery (UA) Doppler ultrasounds, and abnormal amniotic fluid volume, it is hoped clinicians will have enhanced ability to counsel parents about the likely outcomes for their infant...
November 22, 2016: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27862084/intra-and-inter-observer-reproducibility-and-generalizability-of-first-trimester-uterine-artery-pulsatility-index-by-transabdominal-and-transvaginal-ultrasound
#3
Laura Marchi, Eva Zwertbroek, Judith Snelder, Maaike Kloosterman, Caterina Maddalena Bilardo
OBJECTIVES: The primary aim of the study was to assess intra-observer and inter-observer reproducibility and generalizability (general reliability) of first trimester Doppler measurements of uterine arteries (UtA) performed both transabdominally (TA) and transvaginally (TV). Secondary aims were to investigate whether maternal BMI and acquisition modality (transabdominal or transvaginal) affect feasibility and reliability of UtA Doppler evaluation. METHODS: Singleton pregnancies between 11(+0) and 13(+6) weeks underwent TA and TV Doppler measurements of UtA prospectively, blindly and independently by Fetal Medicine Foundation-accredited operators...
November 16, 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27829734/601-metal-on-metal-total-hip-replacements-with-36%C3%A2-mm-heads-a-5-minimum-year-follow-up-levels-of-armd-remain-low-despite-a-comprehensive-screening-program
#4
Amit Atrey, Alister Hart, Nasir Hussain, Jonathon Waite, Andrew J Shepherd, Steve Young
BACKGROUND: We conducted a retrospective study to assess the clinical outcome, failure rate, and reason for failure of a large consecutive series of 36 mm MoM Corail/Pinnacle total hip replacements (THRs). METHODS: Between 2006 and 2011, 601 consecutive 36 mm MoM THRs were performed (585 patients). Patients were followed according to the UK Medicines and Healthcare Products Regulatory Agency (MHRA) guidelines. All patients were accounted for and 469 patients (78%) were clinically and radiographically assessed...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27824961/an-ultrasound-image-navigation-robotic-prostate-brachytherapy-system-based-on-us-to-mri-deformable-image-registration-method
#5
Shihui Zhang, Shan Jiang, Zhiyong Yang, Ranlu Liu, Yunpeng Yang, Honghua Liang
OBJECTIVE: This paper describes an ultrasound image navigation robotic prostate brachytherapy system. It uses a 2D ultrasound (US) probe rigidly fixed to a robotic needle insertion mechanism. Combined with the US probe registration and image registration, this system will help to navigate the prostate brachytherapy to increase the inserting accuracy. SUBJECTS AND METHODS: The novelty of the system is that after the US probe registration using an improved iterative closest point (ICP) registration method, the initial registration for the magnetic resonance imaging (MRI) and US image can be completely automatically...
November 8, 2016: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/27822310/anaphylactic-shock-during-cement-implantation-of-a-total-hip-arthroplasty-in-a-patient-with-underlying-mastocytosis-case-report-of-a-rare-intraoperative-complication
#6
Anita Ten Hagen, Pieter Doldersum, Tom van Raaij
BACKGROUND: Cemented total hip arthroplasty (THA) is a safe and common procedure. In rare cases life threatening bone cement implantation syndrome (BCIS) may occur, which is commonly caused by pulmonary embolism (PE). CASE PRESENTATION: We describe the rare case of a 70-year old patient who underwent an elective total hip replacement. Before surgery he was diagnosed with underlying systemic indolent mastocytosis, a rare pathological disorder that may result in anaphylaxis after massive systemic mast cell activation...
2016: Patient Safety in Surgery
https://www.readbyqxmd.com/read/27812903/expanding-the-horizon-of-robotic-surgery-to-large-pelvic-paraganglioma
#7
Santosh Kumar, M Pragatheeswarane, Aditya Prakash Sharma, Kshitij Bishnoi, Manjeet Kumar Sharma, Vikas Kumar Panwar, Sameer Sethi
INTRODUCTION: Paragangliomas are the most common extra-adrenal pheochromocytoma. Symptomatic and growing tumors demand surgical extirpation. Minimally invasive techniques allow surgeons to perform the procedure without wide exposure and mobilization of intra-abdominal organs. To our knowledge, we present the fourth case of robotic excision of a large retroperitoneal paraganglioma. MATERIALS AND METHODS: An 18-year-old unmarried female presented with occipital headache for past 3 years...
November 3, 2016: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/27810608/rapid-progression-of-a-pregnancy-associated-intra-abdominal-desmoid-tumor-in-the-post-partum-period-a-case-report
#8
David Hanna, Michail Magarakis, William S Twaddell, H Richard Alexander, Susan B Kesmodel
INTRODUCTION: The clinical behavior of desmoid tumors can be unpredictable, particularly when they arise in the ante-partum or post-partum period. We present a case of an intra-abdominal desmoid tumor that was identified in the ante-partum period, progressed rapidly in the post-partum period, and was subsequently resected. PRESENTATION OF CASE: The patient is a 19 year-old female who was found to have a 12cm intra-abdominal mass on a fetal assessment ultrasound...
October 26, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27797262/impact-of-using-intra-operative-ultrasound-guided-breast-conserving-surgery-on-positive-margin-and-re-excision-rates-in-breast-cancer-cases-with-current-sso-astro-guidelines
#9
Somchai Thanasitthichai, Arkom Chaiwerawattana, Oradee Phadhana-Anake
PURPOSE: To review the impact of using intra-operative ultrasound guided breast conserving surgery with frozen sections on nal pathological margin outcome with the current guidelines set forth by the Society of Surgical Oncology (SSO) and the American Society of Surgical Oncology (ASTRO). MATERIALS AND METHODS: A retrospective review including all cases of intra-operative ultrasound guided breast conserving surgery was performed at the National Cancer Institute Thailand between 2013 and 2016...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27795771/-role-of-biliary-mri-in-etiological-diagnosis-of-cholestatic-icteruses-in-dakar
#10
Nfally Badji, Geraud Akpo, Hamidou Deme, Mouhamadou Hamine Toure, Mamadou Ly, Boucar Ndong, El Hadji Niang
Biliary MRI is a relatively new diagnostic test in the arsenal of exploration techniques in biliopancreatic pathology. This is a reproducible and reliable non invasive technique for direct visualization of biliary and pancreatic ducts. This study aims to evaluate the morphological features of major abnormalities and the role of biliary MRI in the etiological diagnosis of cholestatic icteruses. This is a retrospective study of 17 patients conducted in the Imaging Unit of the University Hospital of Fann and of the Principal hospital of Dakar over a period of 4 years and six months (January 2008 at July 2012)...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27790818/ultrasound-and-histological-measurements-of-dividing-membrane-thickness-in-twin-gestations
#11
Luis A Bracero, Caleb Huff, Matthew J Blitz, Milton J Plata, Dara J Seybold, Mike Broce
OBJECTIVE: To determine how prenatal ultrasound (US) measurements of dividing membrane thickness correlate with postnatal histologic measurements and chorionicity in twin gestations. METHODS: This was a prospective, longitudinal cohort study. Dividing membrane thickness was measured by transabdominal US, both parallel and perpendicular to the transducer. Measurements from the first US exam were compared to histological measurements. RESULTS: A total of 45 twin pregnancies (32 dichorionic, 13 monochorionic) were included...
October 27, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27789620/scalp-congenital-hemangioma-with-associated-high-output-cardiac-failure-in-a-premature-infant-case-report-and-review-of-literature
#12
Sumedh S Shah, Brian M Snelling, Samir Sur, Alexandra R Ramnath, Emmalee S Bandstra, Dileep R Yavagal
INTRODUCTION: Scalp congenital hemangiomas (CHs) are rare vascular malformations among infants; they can be associated with an array of complications, including cardiac and cosmetic issues. Here, we report the endovascular treatment of a premature infant with a suspected large right parietal scalp hemangioma and associated high-output cardiac failure. CASE DESCRIPTION: A two-day-old female premature infant (29 weeks gestational age; 1330 g birth weight) was referred by the neonatologists to our department for consultation and potential treatment of a large right parietal CH causing abrupt hypotension and high-output cardiac failure...
October 27, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27776926/ultrasound-evaluation-of-the-subacromial-space-in-healthy-subjects-performing-three-different-positions-of-shoulder-abduction-in-both-loaded-and-unloaded-conditions
#13
Stefano Longo, Alberto Corradi, Giovanni Michielon, Francesco Sardanelli, Luca Maria Sconfienza
BACKGROUND: Subacromial space (SS) narrowing may result in unsafe contact of rotator cuff tendons and bursa with the acromion, possibly promoting rotator cuff pathologies and pain. We measured SS in asymptomatic subjects after three movements employed for shoulder muscles' training. PARTICIPANTS AND MAIN OUTCOME MEASURES: Twenty-five males (age 24±5years; stature 175±8 cm; body mass 74±12 kg) underwent SS ultrasound evaluation while executing with (WL) and without (NL) 4-kg load: 90° shoulder abduction (SA) without humerus rotation (90°neutral); 90° SA maximal humeral external rotation (90°er); maximum SA (above 90°) during upright row (UR)...
August 12, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27768906/ultrasound-fusion-image-error-correction-using-subject-specific-liver-motion-model-and-automatic-image-registration
#14
Minglei Yang, Hui Ding, Lei Zhu, Guangzhi Wang
PURPOSE: Ultrasound fusion imaging is an emerging tool and benefits a variety of clinical applications, such as image-guided diagnosis and treatment of hepatocellular carcinoma and unresectable liver metastases. However, respiratory liver motion-induced misalignment of multimodal images (i.e., fusion error) compromises the effectiveness and practicability of this method. The purpose of this paper is to develop a subject-specific liver motion model and automatic registration-based method to correct the fusion error...
October 13, 2016: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/27746552/analgesic-efficacy-of-ultrasound-guided-transversus-abdominis-plane-block-versus-local-anesthetic-infiltration-in-adult-patients-undergoing-single-incision-laparoscopic-cholecystectomy-a-randomized-controlled-trial
#15
Ejas P Bava, Rashmi Ramachandran, Vimi Rewari, Chandralekha, Virinder Kumar Bansal, Anjan Trikha
BACKGROUND: Transversus abdominis plane (TAP) block has been used to provide intra- and post-operative analgesia with single incision laparoscopic (SIL) bariatric and gynecological surgery with mixed results. Its efficacy in providing analgesia for SIL cholecystectomy (SILC) via the same approach remains unexplored. AIMS: The primary objective of our study was to compare the efficacy of bilateral TAP block with local anesthetic infiltration for perioperative analgesia in patients undergoing SILC...
September 2016: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/27727027/intra-operative-navigation-of-a-3-dimensional-needle-localization-system-for-precision-of-irreversible-electroporation-needles-in-locally-advanced-pancreatic-cancer
#16
L Bond, B Schulz, T VanMeter, R C G Martin
INTRODUCTION: Irreversible electroporation (IRE) uses multiple needles and a series of electrical pulses to create pores in cell membranes and cause cell apoptosis. One of the demands of IRE is the precise needle spacing required. Two-dimensional intraoperative ultrasound (2-D iUS) is currently used to measure inter-needle distances but requires significant expertise. This study evaluates the potential of three-dimensional (3-D) image guidance for placing IRE needles and calculating needle spacing...
September 29, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27720193/peri-articular-local-infiltration-analgesia-versus-femoral-nerve-block-for-postoperative-pain-control-following-anterior-cruciate-ligament-reconstruction-prospective-comparative-non-inferiority-study
#17
N Lefevre, S Klouche, O de Pamphilis, S Herman, A Gerometta, Y Bohu
INTRODUCTION: Femoral nerve block (FNB) is considered as a major advance in anterior cruciate ligament (ACL) reconstruction as it reduces the need for parenteral opioids. However, the incidence of transient or even permanent neurological deficits due to the FNB is estimated at 1.94% after knee surgery. The primary objective of this study was to compare local infiltration analgesia (LIA) to FNB during ACL reconstruction procedures. The study hypothesis was that LIA was not less effective than FNB on early postoperative pain...
October 3, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27709651/epididymal-leiomyoma-a-benign-intrascrotal-tumour
#18
M Marcou, V Perst, C Cacchi, M Lehnhardt, T-A Vögeli
Physicians will be rarely confronted with epididymal tumours. These represent only 5% of intrascrotal tumours and are mostly (75%) benign. We report the case of a 50-year-old white male who was presented with a 5-year history of a slow-growing, left scrotal mass, noted through self-examination. Ultrasound study of the scrotum identified a well-circumscribed paratesticular mass. On inguinal surgical exploration, a solid, encapsulated, grey-white mass at the tail of the left epididymis was identified and excised, with intra-operative pathological consultation showing no signs of malignancy...
October 6, 2016: Andrologia
https://www.readbyqxmd.com/read/27686714/the-reliability-and-validity-of-a-clinical-3d-freehand-ultrasound-system
#19
Francesco Cenni, Davide Monari, Kaat Desloovere, Erwin Aertbeliën, Simon-Henri Schless, Herman Bruyninckx
BACKGROUND AND OBJECTIVE: Acquiring large anatomical volumes in a feasible manner is useful for clinical decision-making. A relatively new technique called 3D freehand ultrasonography is capable of this by combining a conventional 2D ultrasonography system. Currently, a thorough analysis of this technique is lacking, as the analyses are dependent on the software implementation details and the choice of measurement systems. Therefore this study starts by making this implementation available under the form of an open-source software library to perform 3D freehand ultrasonography...
November 2016: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/27677086/-comparison-of-ultrasound-guided-femoral-and-sciatic-nerve-block-versus-epidural-anaesthesia-for-orthopaedic-surgery-in-dogs
#20
Mareike Arnholz, Stephan Hungerbühler, Clarissa Weil, Alexandra F Schütter, Karl Rohn, Julia Tünsmeyer, Sabine B R Kästner
OBJECTIVE: Comparison of ultrasound-guided femoral and sciatic nerve block versus epidural anaesthesia with bupivacaine and morphine for orthopaedic surgery of the pelvic limb in dogs with respect to analgesic effectiveness, clinical utility and side effects. MATERIAL AND METHODS: The study included 22 dogs (American Society of Anesthesiologists, ASA grades I and II) undergoing orthopaedic surgery distal to the mid-femoral bone. The study was designed as a randomized, prospective, blinded clinical trial...
September 27, 2016: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
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