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Minimal invasive

Alessandra Gasior, Giulia Brisighelli, Karen Diefenbach, Victoria Alison Lane, Carlos Reck, Richard J Wood, Marc Levitt
Introduction Functional constipation is a common problem in children. It usually can be managed with laxatives but a small subset of patients develop intolerable cramps and need to be temporarily treated with enemas. The senior author has previously reported: 1) open sigmoid resection as a surgical option, but this did not sufficiently reduce the laxative need, then 2) a transanal approach (with resection of rectosigmoid), but this led to a high rate of soiling due to extensive stretching of the anal canal and loss of the rectal reservoir...
October 25, 2016: European Journal of Pediatric Surgery
Kathryn H Hrinkevich, Robert A Progar, David C Shaw
The balsam woolly adelgid (Adelges piceae (Ratzeburg) (Homoptera: Adelgidae)) (BWA) is a nonnative, invasive insect that threatens Abies species throughout North America. It is well established in the Pacific Northwest, but continues to move eastward through Idaho and into Montana and potentially threatens subalpine fir to the south in the central and southern Rocky Mountains. We developed a climatic risk model and map that predicts BWA impacts to subalpine fir using a two-step process. Using 30-year monthly climate normals from sites with quantitatively derived BWA damage severity index values, we built a regression model that significantly explained insect damage...
2016: PloS One
Ethan Frank, Joshua Park, Alfred Simental, Christopher Vuong, Yuan Liu, Daniel Kwon, Yi Lin, Pedro Andrade Filho
Minimally invasive video-assisted thyroidectomy (MIVAT) has gained acceptance as an alternative to conventional thyroidectomy. This technique results in less bleeding, postoperative pain, shorter recovery time, and better cosmetic results without increasing morbidity. We retrospectively assessed outcomes in 583 patients having MIVAT from May 2005 to September 2014. The study population was divided into groups according to periods: 2005 to 2009 and 2010 to 2014. Operative data, complications, and length of stay were collected and compared...
October 2016: American Surgeon
Ying-Ze Zhang
No abstract text is available yet for this article.
2016: Chinese Medical Journal
Ali Abdel Raheem, Atalla Alatawi, Dae Keun Kim, Abulhasan Sheikh, Koon Ho Rha
INTRODUCTION AND OBJECTIVES: Nephroureterectomy remains the gold standard treatment option for upper tract tumors. However, segmental ureterectomy may be another option in patients with single kidney, borderline renal function or high medical comorbidities. The aim of this video is to assess the feasibility of robotic surgery as a minimally invasive technique in treatment of a high comorbid patient with ureteric tumor. MATERIALS AND METHODS: Eighty-year old male patient, with a medical history of chronic hypertensive and uncontrolled Diabetes Mellitus, was referred to our department for treatment of ureteric tumor...
October 20, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Ygal Rotenstreich, Adi Tzameret, Sapir E Kalish, Ettel Bubis, Michael Belkin, Iris Moroz, Mordechai Rosner, Itay Levy, Shlomo Margel, Ifat Sher
PURPOSE: To investigate the feasibility and safety of a novel minimally invasive adjustable-depth blunt injector for pharmaceuticals delivery into the posterior segment. METHODS: Indocyanine green (ICG), sodium fluorescein and iron oxide nanoparticles (IONPs) were injected using the new injector into the extravascular spaces of the choroid (EVSC) compartment of rabbits and cadaver pig eyes. Spectral domain optical coherence tomography (SD-OCT), fundus imaging and histology analysis were performed for assessment of injection safety and efficacy...
October 25, 2016: Acta Ophthalmologica
Howard Y Park, Sara K Yang, William L Sheppard, Vishal Hegde, Stephen D Zoller, Scott D Nelson, Noah Federman, Nicholas M Bernthal
Aneurysmal bone cysts (ABCs) are benign bone lesions arising predominantly in the pediatric population that can cause local pain, swelling, and pathologic fracture. Primary lesions, which constitute roughly two thirds of all ABCs, are thought to be neoplastic in nature, with one third of ABCs arising secondary to other tumors. Diagnosis is made with various imaging modalities, which exhibit characteristic features such as "fluid-fluid levels," although biopsy is critical, as telangiectatic osteosarcoma cannot be excluded based on imaging alone...
October 24, 2016: Current Reviews in Musculoskeletal Medicine
Malgorzata Banys-Paluchowski, Eike Burandt, Joanna Banys, Stefan Geist, Guido Sauter, Natalia Krawczyk, Peter Paluchowski
Breast cancer (BC) in men represents between 0.5% and 1% of all BC diagnosed each year. We report a case of advanced BC in a 62-year-old male treated at our interdisciplinary Breast Cancer Center. The patient presented with a newly diagnosed large, symptomatic mass in his left breast. Clinical examination showed a not movable mass of 16 cm diameter, deforming the whole breast; the overlying skin was livid and hypervascularized. Enlarged lymph nodes were palpable in the axillary pit. He had no concomitant diseases at time of presentation...
October 10, 2016: World Journal of Clinical Oncology
Gregory I Bain, Simon B M MacLean, Wing-Lim Tse, Pak-Cheong Ho, David M Lichtman
The assessment and management of Kienböck Disease (KD) has always been a conundrum. The Lichtman classification has traditionally been used to guide treatment based on imaging. Arthroscopy provides a direct visualization of the articular surface, allows probing of the surfaces, and enables minimally invasive techniques to be performed. The Lichtman-Bain classification is a new classification that takes into account the osseous, vascular, and cartilage aspects of the lunate and the secondary effects on the wrist...
November 2016: Journal of Wrist Surgery
Sandeep Sen, Kadukothanahally Nagaraju Shivaprakash, Neelavara A Aravind, Gudasalamani Ravikanth, Selvadurai Dayanandan
Conservation managers and policy makers are often confronted with a challenging dilemma of devising suitable strategies to maintain agricultural productivity while conserving endemic species that at the early stages of becoming pests of agricultural crops. Identification of environmental factors conducive to species range expansion for forecasting species distribution patterns will play a central role in devising management strategies to minimize the conflict between the agricultural productivity and biodiversity conservation...
September 2016: Ecology and Evolution
L Rosenberg, Y Shoham, Y Krieger, G Rubin, F Sander, J Koller, K David, D Egosi, R Ahuja, A J Singer
Current surgical and non-surgical eschar removal-debridement techniques are invasive or ineffective. A bromelainbased rapid and selective enzymatic debriding agent was developed to overcome these disadvantages and compared with the standard of care (SOC). The safety and efficacy of a novel Debriding Gel Dressing (DGD) was determined in patients with deep partial and full thickness burns covering up to 67% total body surface area (TBSA). This review summarizes data from seven studies, four of which were randomized clinical trials that included a SOC or control vehicle...
December 31, 2015: Annals of Burns and Fire Disasters
Waeel Ossama Hamouda, Mohammed Aladdin, Sarah Abdulaziz Al-Muammar, Danya Mohammed Khalid Gari
BACKGROUND: Microscopic lumbar discectomy is a common, minimally invasive surgery. A transverse skin incision has sound theoretical cosmetic advantages in comparison to the classic vertical incision. OBJECTIVES: the study aimed to compare transverse and vertical skin incisions for microscopic discectomy regarding cosmetic outcome, postoperative pain and the provided surgical cutaneous inlet. MATERIALS & METHODS: Eighty-six patients were randomly enrolled prospectively in the study, divided among a vertical incision group (V group) and a transverse incision group (T group)...
October 21, 2016: World Neurosurgery
Elif Bilgic, Yusuke Watanabe, Dmitry Nepomnayshy, Aimee Gardner, Shimae Fitzgibbons, Iman Ghaderi, Adnan Alseidi, Dimitrios Stefanidis, John Paige, Neal Seymour, Katherine M McKendy, Richard Birkett, James Whitledge, Erica Kane, Nicholas E Anton, Melina C Vassiliou
BACKGROUND: Advanced laparoscopic suturing (LS) tasks were developed based on a needs assessment. Initial validity evidence has been shown. The purpose of this multicenter study was to determine expert proficiency benchmarks for these tasks. METHODS: 6 tasks were included: needle handling (NH), offset-camera forehand suturing (OF), offset-camera backhand suturing (OB), confined space suturing (CF), suturing under tension (UT), and continuous suturing (CS). Minimally invasive surgeons experienced in LS completed the tasks twice...
October 8, 2016: American Journal of Surgery
M Kadihasanoglu, M Kilciler, O Atahan
A 44-year-old woman, who had had left flank pain for the previous 3 months, was treated successfully for renal hydatid cyst disease by using an endoscopic technique with percutaneous access through an all seeing needle. Abdominal ultrasonography showed a Gharbi type III cyst in the lower pole of the left kidney. Computerised tomography of the abdomen revealed a bulky solid-cystic mass with calcified and well-defined wall and daughter cyst without contrast enhancement. The patient, who refused any renal operation, underwent a percutaneous intervention with access through an all seeing needle access...
October 24, 2016: Aktuelle Urologie
Nantachai Sornkarn, Thrishantha Nanayakkara
When humans are asked to palpate a soft tissue to locate a hard nodule, they regulate the stiffness, speed, and force of the finger during examination. If we understand the relationship between these behavioral variables and haptic information gain (transfer entropy) during manual probing, we can improve the efficacy of soft robotic probes for soft tissue palpation, such as in tumor localization in minimally invasive surgery. Here, we recorded the muscle co-contraction activity of the finger using EMG sensors to address the question as to whether joint stiffness control during manual palpation plays an important role in the haptic information gain...
October 19, 2016: IEEE Transactions on Haptics
Niloofar Eslahi, Marjan Abdorahim, Abdolreza Arash Simchi
Stimuli responsive hydrogels (SRHs) are attractive bio-scaffolds for tissue engineering. The structural similarity of SRHs to the extracellular matrix (ECM) of many tissues offers great advantages for a minimally invasive tissue repair. Among various potential applications of SRHs, cartilage regeneration has attracted significant attention. The repair of cartilage damage is challenging in orthopedics owing to its low repair capacity. Recent advances include development of injectable hydrogels to minimize invasive surgery with nanostructured features and rapid stimuli-responsive characteristics...
October 24, 2016: Biomacromolecules
J Gómez-Chacón Villalba, L Rodríguez Caraballo, A Marco Macián, V Segarra Llido, J J Vila Carbó
AIMS: To describe our experience using Minimally Invasive Surgery (MIS) techniques in tertiary center with specific oncological pediatric surgery unit. METHODS: Retrospective review of patients undergoing MIS techniques in pediatric oncology surgery unit between January 2011 and December 2014. MIS procedures were considered made by both techniques such as laparoscopy and thoracoscopy with both diagnostic and therapeutic intent. RESULTS: 4 procedures were diagnostic and the rest were therapeutic: During the study, 56 procedures were performed by MIS...
April 20, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
S Castañeda, I Molina, P Jaimes, J Beltrán, J Valero, F Fierro
INTRODUCTION: The aim of the present study was to evaluate clinical presentation and management of sigmoid volvulus in children. Sigmoid volvulus is one of the three leading causes of acute obstruction of the colon and is between 50 and 90% of all large bowel volvulus. In the pediatric population only 3 to 5% of bowel obstructions are caused by volvulus and there are less than 100 cases reported in the literature. The presence of a redundant sigmoid with a narrow mesentery (dolicosigmoide) is a prerequisite for the volvulus formation...
January 15, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
Song-Jun Liu, Wen Lv, Wu Li
AIM: The aim of this study was to investigate the clinical data of laparoscopic repair with hysteroscopy of cesarean scar diverticulum (CSD). METHODS: We retrospectively evaluated 49 patients with CSD in our hospital who had undergone laparoscopic repair with hysteroscopy from January 2014 to June 2015. All patients had a history of cesarean section deliveries and prolonged postmenstrual spotting (duration 16.1 ± 3.4 days). The diagnosis of CSD was established by using 2-D transvaginal ultrasound...
October 24, 2016: Journal of Obstetrics and Gynaecology Research
Sun-Hee Kim, Christos Faloutsos, Hyung-Jeong Yang, Seong-Whan Lee
We propose a nonlinear dynamic model for an invasive electroencephalogram analysis that learns the optimal parameters of the neural population model via the Levenberg-Marquardt algorithm. We introduce the crucial windows where the estimated parameters present patterns before seizure onset. The optimal parameters minimizes the error between the observed signal and the generated signal by the model. The proposed approach effectively discriminates between healthy signals and epileptic seizure signals. We evaluate the proposed method using an electroencephalogram dataset with normal and epileptic seizure sequences...
October 24, 2016: Journal of Integrative Neuroscience
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