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Charles R Randklev, Tom Miller, Michael Hart, Jennifer Morton, Nathan A Johnson, Kevin Skow, Kentaro Inoue, Eric T Tsakiris, Susan Oetker, Ryan Smith, Clint Robertson, Roel Lopez
Freshwater resources in arid and semi-arid regions are in extreme demand, which creates conflicts between needs of humans and aquatic ecosystems. The Rio Grande basin in the southwestern United States and northern Mexico exemplifies this issue, as much of its aquatic biodiversity is in peril as a result of human activities. Unionid mussels have been disproportionately impacted, though the specific factors responsible for their decline remain largely unknown. This is problematic because the Rio Grande basin harbors one federally endangered unionid mussel (Popenaias popeii, Texas Hornshell) plus two other mussel species (Potamilus metnecktayi, Salina Mucket; and Truncilla cognata, Mexican Fawnsfoot), which are also being considered for listing under the U...
March 12, 2018: Science of the Total Environment
I A Filatova
By improving the existing surgical technologies for dacryocystitis, one enhances the effectiveness of patient rehabilitation. AIM: To evaluate the effectiveness of radio-wave surgery in the treatment of dacryocystitis and lacrimal sac abscesses. MATERIAL AND METHODS: The clinical group consisted of 207 patients ranging in age from 7 to 89 years (the mean age of 41±7.3 years). For 39% of patients this was a repeated treatment, while 9.3% had undergone 4-5 surgical interventions...
2018: Vestnik Oftalmologii
N Pinsker, M Papoulas, M Sodergren, P Harrison, N Heaton, K Menon
Introduction A bronchobiliary fistula (BBF) following liver directed therapy (resection/ablation) is a rare complication in which an abnormal communication between the biliary tract and bronchial tree is formed. This case report describes the successful management of a persistent BBF following multiple liver wedge resections and microwave ablation in a patient with a metastatic neuroendocrine tumour of the terminal ileum. Case history A 69-year-old man presented with unexplained weight loss and was subsequently diagnosed with a neuroendocrine tumour of the terminal ileum and liver metastasis...
March 15, 2018: Annals of the Royal College of Surgeons of England
Poonam Sagar, Arif Kavungal Nambillath, Vikas Malhotra, Ajay Raj, Abhay Anand
Extracranial carotid artery aneurysms are rare but important entity. Impending rupture of such aneurysms can lead to catastrophic hemorrhage, airway compromise and may prove fatal. The authors report a case of true aneurysm of cervical internal carotid artery in a four-year-old girl who presented with fever and swelling of neck and oropharynx. High clinical suspicion is required to differentiate aneurysm from peritonsillar and parapharyngeal abscess as incision and drainage can prove fatal. Securing airway beforehand and timely embolization has led to the favorable outcome in the present case...
March 15, 2018: Indian Journal of Pediatrics
Hiroshi Tamura, Tatsuo Kanda, Tadasu Chida, Hitoshi Kameyama, Ukihide Tateishi, Toshifumi Wakai, Makoto Naito
BACKGROUND: Pneumatosis cystoides intestinalis (PCI) is a rare disease characterized by multiple gas-filled cysts in the intestinal wall and is associated with various comorbidities. We report herein a case of intractable paralytic ileus caused by primary PCI. CASE PRESENTATION: A 73-year-old man visited out hospital complaining of abdominal pain and vomiting. He had been hospitalized twice for intestinal obstruction in the past 2 months. Based on his history of appendectomy, mechanical bowel obstruction caused by adhesion was diagnosed, and the patient underwent surgery...
March 14, 2018: Surgical Case Reports
Ying Dai, Lei Chen, Xiaoshu Hou, Zhenyao Shen
Detailed urban drainage data are important for urban nonpoint source (NPS) pollution prediction. However, the difficulties in collecting complete pipeline data usually interfere with urban NPS pollution studies, especially in large-scale study areas. In this study, NPS pollution models were constructed for a typical urban catchment using the SWMM, based on five drainage datasets with different resolution levels. The influence of the data resolution on the simulation results was examined. The calibration and validation results of the higher-resolution (HR) model indicated a satisfactory model performance with relatively detailed drainage data...
March 14, 2018: Environmental Science and Pollution Research International
Taiki Hayashi, Hitoshi Yanaihara, Hirofumi Kaguyama, Fuminari Hanashima, Hirofumi Sakamoto, Yoko Nakahira, Hirotaka Asakura
No abstract text is available yet for this article.
March 2018: Urology Case Reports
Sameen Khalid, Aamer Abbass, Eric Nellis, Shashin Shah, Hiral Shah
Pancreatic pseudocysts and walled-off pancreatic necrosis arise as a complication of pancreatitis. Multiple fluid collections are seen in 5-20% of the patients who have walled-off peripancreatic fluid collections. There is a paucity of data regarding the role of endoscopic transmural drainage in the management of multiple pancreatic fluid collections. In this case report, we present the case of a 72-year-old male with three walled-off pancreatic fluid collections in the setting of acute necrotizing pancreatitis...
January 9, 2018: Curēus
Nancy E Epstein
Background: The risk of spinal cord injury (SCI) due to decreased cord perfusion following thoracic/thoracoabdominal aneurysm surgery (T/TL-AAA) and thoracic endovascular aneurysm repair (TEVAR) ranges up to 20%. For decades, therefore, many vascular surgeons have utilized cerebrospinal fluid drainage (CSFD) to decrease intraspinal pressure and increase blood flow to the spinal cord, thus reducing the risk of SCI/ischemia. Methods: Multiple studies previously recommend utilizing CSFD following T/TL-AAA/TEVAR surgery to treat SCI by increasing spinal cord blood flow...
2018: Surgical Neurology International
Caoye Wang, Zhengqiang Yang, Jinguo Xia, Weiping Wang, Wenhua Chen, Qi Wang
Bronchobiliary fistula (BBF) is a rare condition, defined as an abnormal communication between the bronchial system and the biliary tree. Patients with this condition usually present with massive biliptysis, and the mortality rate is high. BBF has been reported to occur in patients with congenital conditions, complications of trauma, hepatic abscesses and biliary tract obstruction (surgical as well as non-surgical). However, to the best of our knowledge, BBF as a complication of transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma (HCC) has not been reported to date...
April 2018: Molecular and Clinical Oncology
Hideki Maeda, Goro Kutomi, Fukino Satomi, Hiroaki Shima, Mitsuru Mori, Ichiro Takemasa
The aim of the present study was to evaluate the potential advantages of the ultrasonic scalpel compared with the conventional technique in thyroid surgery. Patients with resectable thyroid cancer and Basedow's disease were assigned to ultrasonic scalpel or conventional technique (knot-tying and electrocoagulation). The present study used the Harmonic FOCUS® (HF) as an ultrasonic scalpel. Between February 2013 and May 2016, 45 patients were enrolled into the study. Duration of the surgery was significantly decreased in the HF group compared with the conventional surgery (CS) group (median 142 vs...
April 2018: Molecular and Clinical Oncology
Poul Christoffersen, Marion Bougamont, Alun Hubbard, Samuel H Doyle, Shane Grigsby, Rickard Pettersson
Supraglacial lakes on the Greenland Ice Sheet are expanding inland, but the impact on ice flow is equivocal because interior surface conditions may preclude the transfer of surface water to the bed. Here we use a well-constrained 3D model to demonstrate that supraglacial lakes in Greenland drain when tensile-stress perturbations propagate fractures in areas where fractures are normally absent or closed. These melt-induced perturbations escalate when lakes as far as 80 km apart form expansive networks and drain in rapid succession...
March 14, 2018: Nature Communications
Victoria J Cunningham, Emma C Giakoumatos, Melissa Marks, Steven P Armes, Erica J Wanless
High-speed video analysis has enabled the interaction between a pair of millimetre-sized air bubbles to be studied in aqueous solution. The bubbles were grown in the presence of either poly(glycerol monomethacrylate)-poly(benzyl methacrylate) (PGMA-PBzMA) diblock copolymer spheres or poly(glycerol monomethacrylate)-poly(2-hydroxypropyl methacrylate)-poly(benzyl methacrylate) (PGMA-PHPMA-PBzMA) triblock copolymer worms prepared by polymerisation-induced self-assembly (PISA). A reduction in interfacial tension relative to air bubbles grown in the absence of nanoparticles indicated the adsorption of nanoparticles at the air-water interface...
March 14, 2018: Soft Matter
E Cauwelier, D C Stewart, C P Millar, J Gilbey, S J Middlemas
The aim of this study was to examine the genetic structuring, based on c. 4300 single nucleotide polymorphic markers, of juvenile Atlantic salmon Salmo salar sampled from 11 rivers in north-east Scotland, which form part of a radial drainage system. Within this area, sites in the upper mountainous and lower coastal sections of the different rivers were more closely related than sites from the upper and lower sections of the same river. Differentiation between fish from upper and lower sections was related to both distance from the sea and elevation, which were themselves correlated...
March 2018: Journal of Fish Biology
Judith E Baars, Fei Chen, Charbel Sandroussi, Arthur J Kaffes, Payal Saxena
No abstract text is available yet for this article.
March 12, 2018: Endoscopic Ultrasound
Pablo Iribarren Anacona, Josie Kinney, Marius Schaefer, Stephan Harrison, Ryan Wilson, Alexis Segovia, Bruno Mazzorana, Felipe Guerra, David Farías, John M Reynolds, Neil F Glasser
The environmental, socioeconomic and cultural significance of glaciers has motivated several countries to regulate activities on glaciers and glacierized surroundings. However, laws written to specifically protect mountain glaciers have only recently been considered within national political agendas. Glacier Protection Laws (GPLs) originate in countries where mining has damaged glaciers and have been adopted with the aim of protecting the cryosphere from harmful activities. Here, we analyze GPLs in Argentina (approved) and Chile (under discussion) to identify potential environmental conflicts arising from law restrictions and omissions...
March 13, 2018: Ambio
Witold Szyfter, Anna Bartochowska, Łukasz Borucki, Adrian Maciejewski, Aleksandra Kruk-Zagajewska
PURPOSE: The objective of this study was to analyse 51 patients with intracranial complications of sinusitis treated in the Department of Otolaryngology and Laryngeal Oncology at Poznań University of Medical Sciences from 1964 to 2016. MATERIALS AND METHODS: Males made up a significant portion of study participants at 70.5%. Treatment included simultaneous removal of inflammatory focal points in the paranasal sinuses and drainage of cerebral and epidural abscesses and subdural empyemas under the control of neuronavigation preceded by the implementation of broad-spectrum antibiotics continuously for 4 weeks...
March 13, 2018: European Archives of Oto-rhino-laryngology
Xiao-Chun Mao, Chao Chen, Ke-Jing Wang
PURPOSE: To compare the efficacy and safety profiles of LigaSure™ small jaw instrument (LSJI) versus conventional technique in patients undergoing open thyroidectomy. METHODS: This single-center, prospective, observational study conducted in Zhejiang Provincial Cancer Hospital enrolled patients who underwent thyroidectomy between September 2013 and September 2014. The primary study outcomes included determination of blood loss, operative duration, length of hospital stay, and drainage volume...
March 13, 2018: European Archives of Oto-rhino-laryngology
Jarmo Niemelä, Raija Kallio, Pasi Ohtonen, Jukka Perälä, Juha Saarnio, Hannu Syrjälä
BACKGROUND: Malignant biliary obstruction is a challenging problem for cancer patients. Here we evaluate predictive factors for survival following percutaneous drainage for malignant biliary obstruction in patients in whom endoscopic drainage was unsuccessful or insufficient. METHODS: A retrospective register study in a tertiary-level university hospital. RESULTS: A total of 643 cancer patients (317 females and 326 males) with malignant biliary obstruction were treated with percutaneous drainage at our hospital between 1999 and 2016...
March 13, 2018: World Journal of Surgery
Raquel Bernardelli Iamaguchi, Renan Lyuji Takemura, Gustavo Bersani Silva, Jairo Andre de Oliveira Alves, Luciano Ruiz Torres, Alvaro Baik Cho, Teng Hsiang Wei, Marcelo Rosa de Rezende, Rames Mattar
INTRODUCTION: Indication of free tissue transfer for limb reconstruction continues to grow, and despite the good results with this treatment option, complications can impair the functional results and cause a raise in health costs, with prolonged hospitalization. Therefore, peri-operative surgical information and comorbidities were described and analyzed, for identification of independent risk factors for complications of free flaps results for traumatic wounds. For our knowledge, intraoperative ischemia time of free flap was not previously studied for post-traumatic limb reconstruction, which could influence results, in these traumatic cases, with the highest rates of complications among microsurgical flap reconstructions...
March 13, 2018: International Orthopaedics
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