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https://www.readbyqxmd.com/read/28410355/descemetorhexis-without-graft-placement-for-the-treatment-of-fuchs-endothelial-dystrophy-preliminary-results-and-review-of-the-literature
#1
Alfonso Iovieno, Alberto Neri, Anna Maria Soldani, Chantal Adani, Luigi Fontana
PURPOSE: To report our preliminary experience with a central descemetorhexis without graft placement in Fuchs endothelial corneal dystrophy (FECD) and to review the existing literature on the topic. METHODS: A 4-mm central descemetorhexis was performed in 5 patients (4 women, 1 man; mean age: 69.8 ± 8.6 yrs; range: 57-78 yrs) with FECD. All patients had central confluent guttae, undetectable central endothelial cell count, healthy peripheral corneal endothelium, no clinically evident bullous keratopathy, and no ocular comorbidities...
April 13, 2017: Cornea
https://www.readbyqxmd.com/read/28379173/effects-of-phase-separation-behavior-on-morphology-and-performance-of-polycarbonate-membranes
#2
Alamin Idris, Zakaria Man, Abdulhalim S Maulud, Muhammad Saad Khan
The phase separation behavior of bisphenol-A-polycarbonate (PC), dissolved in N-methyl-2-pyrrolidone and dichloromethane solvents in coagulant water, was studied by the cloud point method. The respective cloud point data were determined by titration against water at room temperature and the characteristic binodal curves for the ternary systems were plotted. Further, the physical properties such as viscosity, refractive index, and density of the solution were measured. The critical polymer concentrations were determined from the viscosity measurements...
April 5, 2017: Membranes
https://www.readbyqxmd.com/read/28374275/postoperative-roll-cake-like-macular-fold-after-retinal-detachment-surgery
#3
Ryusaburo Mori, Hiroyuki Nakashizuka, Yumiko Machida, Hiroyuki Shimada, Mitsuko Yuzawa
PURPOSE: To report a case developing a severe retinal fold (RF), resembling a roll cake on optical coherence tomography (OCT), after retinal detachment (RD) surgery. CASE REPORT: A 61-year-old man underwent vitrectomy for a limited macula-on-superior rhegmatogenous RD and gas tamponade at another hospital. Despite remaining prone for 4 days, RF was noted after gas disappearance and he was referred to us. OCT showed a roll cake-like RF, which resolved after vitrectomy with internal limiting membrane (ILM) peeling, creation of a new detachment, perfluorocarbon liquid injection, air-fluid exchange, silicone oil tamponade and prone positioning...
April 3, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28372744/profiles-and-removal-efficiency-of-polycyclic-aromatic-hydrocarbons-by-two-different-types-of-sewage-treatment-plants-in-hong-kong
#4
Yu Bon Man, Ka Lai Chow, Zhang Cheng, Wing Yin Mo, Yung Hau Chan, James Chung Wah Lam, Frankie Tat Kwong Lau, Wing Cheong Fung, Ming Hung Wong
Sewage discharge could be a major source of polycyclic aromatic hydrocarbons (PAHs) in the coastal waters. Stonecutters Island and Shatin Sewage Treatment Works (SCISTW and STSTW) in Hong Kong, adopted chemically enhanced primary treatment and biological treatment, respectively. This study aimed at (1) determining the removal efficiencies of PAHs, (2) comparing the capabilities in removing PAHs, and (3) characterizing the profile of each individual PAHs, in the two sewage treatment plants (STPs). Quantification of 16 PAHs was conducted by a Gas Chromatography...
March 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28340481/metabolic-profiling-of-tyrosine-tryptophan-and-glutamate-in-human-urine-using-gas-chromatography-tandem-mass-spectrometry-combined-with-single-spe-cleanup
#5
Hyun Ju Shin, Na Hyun Park, Wonwoong Lee, Man Ho Choi, Bong Chul Chung, Jongki Hong
The tyrosine, tryptophan, and glutamate metabolic pathways play key roles on pathological state of neuronal functions and the change of their levels in biological systems reflects the progress degree of neuronal diseases. Comprehensive profiling of these metabolites is important to find new biomarkers for diagnosis or prognosis of various neuronal diseases. However, the overall profiling analysis of various neurochemicals in biological sample is confronted with several limitations due to their low concentration and physicochemical properties and the coexistence of matrices...
April 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28339445/transforaminal-endoscopic-decompression-for-a-giant-epidural-gas-containing-pseudocyst-a-case-report-and-literature-review
#6
Bin Zhu, Liang Jiang, Xiao Guang Liu
The isolated epidural gas-containing pseudocyst is an uncommon pathogenic factor for severe pain of the lower limb as a result of nerve root compression. After reviewing these rare cases reported in the literature, we found that the name, pathogenesis, and treatment strategy of this pathology remained controversial. The most common treatment is conservative treatment or percutaneous aspiration which might result inpoor pain relief and high recurrence rates. Moreover, the patient who received open surgery had good clinical outcome; however, he or she might experience a significant soft tissue injury...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28295761/ligand-torsion-triggered-two-robust-fe-tetratopic-carboxylate-frameworks-with-enhanced-gas-uptake-and-separation-performance
#7
Jian-Wei Zhang, Man-Cheng Hu, Shu-Ni Li, Yu-Cheng Jiang, Quan-Guo Zhai
By regulating the tetratopic carboxylate ligands, two robust Fe-MOFs (MOF=Metal-organic framework) comprising trigonal prismatic building blocks under a DMA/DMSO/HBF4 solvent system, namely, [(CH3 )2 NH2 ][Fe(II)3 (OH)(BPTC)1.5 (DMSO)3 ] (SNNU-60) and [Fe(III) Fe(II)2 (OH)(ABTC)1.5 (DMSO)3 ] (SNNU-61) (BPTC=3,3',5,5'-biphenyltetracarboxylic acid, ABTC=3,3',5,5'-azobenzenetetracarboxylic acid, SNNU=Shaanxi Normal University) have been successfully synthesized. The torsions between the benzene groups of the ligands result in two MOFs exhibiting completely different (4,6)-connected frameworks, which represent the only two MOF types constructed by [M3 (O/OH)(COO)6 ] trimeric building units and quadrilateral tetratopic carboxylate linkers until now...
March 11, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28281480/portomesenteric-venous-thrombosis-a-rare-but-probably-under-reported-complication-of-laparoscopic-surgery-a-case-series
#8
Yan Mei Goh, Ajay Tokala, Tarek Hany, Kishore G Pursnani, Ravindra S Date
Portomesenteric venous thrombosis (PMVT) is a rare but well-reported complication following laparoscopic surgery. We present three cases of PMVT following laparoscopic surgery. Our first case is a 71-year-old morbidly obese woman admitted for elective laparoscopic giant hiatus hernia (LGHH) repair. Post-operatively, she developed multi-organ dysfunction and computed tomography scan revealed portal venous gas and extensive small bowel infarct. The second patient is a 51-year-old man with known previous deep venous thrombosis who also had elective LGHH repair...
April 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28264703/life-threatening-emphysematous-liver-abscess-associated-with-poorly-controlled-diabetes-mellitus-a-case-report
#9
Yuichi Takano, Masafumi Hayashi, Fumitaka Niiya, Toru Nakanishi, Shotaro Hanamura, Kunio Asonuma, Eiichi Yamamura, Kuniyo Gomi, Yuichiro Kuroki, Naotaka Maruoka, Kazuaki Inoue, Masatsugu Nagahama
BACKGROUND: Emphysematous liver abscesses are defined as liver abscesses accompanied by gas formation. The fatality rate is extremely high at 27%, necessitating prompt intensive care. CASE PRESENTATION: The patient was a 69-year-old Japanese man with type 2 diabetes. He visited the emergency outpatient department for fever and general malaise that had been ongoing for 2 weeks. Abdominal computed tomography revealed an abscess 5 cm in diameter accompanied by gas formation in the right hepatic lobe...
March 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28241852/pneumatosis-cystoides-intestinalis-presenting-as-pneumoperitoneum-in-a-patient-with-chronic-obstructive-pulmonary-disease-a-case-report
#10
Atsuyoshi Iida, Hiromichi Naito, Kohei Tsukahara, Tetsuya Yumoto, Nobuyuki Nosaka, Shinnichi Kawana, Keiji Sato, Nobuhiro Takeuchi, Jyunichi Soneda, Atsunori Nakao
BACKGROUND: Pneumatosis cystoides intestinalis, marked by numerous gas-filled cysts in the intestinal wall and submucosa or intestinal submucosa, is a very uncommon condition. CASE PRESENTATION: A 79-year-old Asian man presented to our emergency department after 2 days of lower abdominal pain with nausea and constipation. His past medical history included chronic obstructive pulmonary disease and he had been treated with home oxygen therapy. The patient was hemodynamically stable and had mild generalized abdominal pain and a soft, distended abdomen without signs of peritonism...
February 28, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28237945/rare-association-of-congenital-penile-urethrocutaneous-fistula-with-y-type-urethral-duplication
#11
Ashok Kumar Gupta, Manoj Kumar, Kawaljit Singh, Ashok Kumar Sokhal
A 24-year-old man presented with symptoms of difficulty in passage of urine, mixed with gas and stool from penoscrotal junction since birth. He had a history of surgery (posterior sagittal anorectoplasty) for imperforate anus in first week of his life. On physical examination, external meatus was adequate with small 5×5 mm fistulous opening noted at penoscrotal junction with normal anal tone and opening. On evaluation with retrograde urethrography, voiding cystourethrogram, cystoscopy and barium enema, he was found to have penile urethrocutaneous fistula of 0...
February 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28236506/co-pyrolysis-characteristics-of-municipal-sewage-sludge-and-hazelnut-shell-by-tg-dtg-ms-and-residue-analysis
#12
Xinyang Xu, Bing Zhao, Manli Sun, Xi Chen, Mingchuan Zhang, Haibo Li, Shucong Xu
Co-pyrolysis characteristics of municipal sewage sludge and hazelnut shell blend have been studied in this work. The behavior of co-pyrolysis was researched by a method of multi-heating rates and different blend ratios to analyze thermal decomposition stages. The experimental data of the blended samples in TG-DTG plots were compared with calculated data to investigate the interactions during co-pyrolysis. The bio-chars investigated by SEM and FTIR spectra were used to examine the physical and chemical changes...
February 21, 2017: Waste Management
https://www.readbyqxmd.com/read/28236277/dual-drainage-using-a-percutaneous-pancreatic-duct-technique-contributed-to-resolution-of-severe-acute-pancreatitis
#13
Tatsunori Satoh, Masataka Kikuyama, Yoshihiro Yokoi, Shinya Kawaguchi
A 66-year-old man was admitted for severe acute alcoholic pancreatitis with infected pancreatic necrosis (IPN). Abdominal computed tomography revealed an inflamed pancreatic head, a dilated main pancreatic duct (MPD), and a large cavity with heterogeneous fluid containing gas adjacent to the pancreatic head, and extending to the pelvis. The cavity was drained percutaneously near the pancreatic head on admission; another tube was inserted into the pelvic cavity on hospital day 3. The drained fluid contained pus with high amylase concentration...
April 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28221876/effect-of-magnesium-acetate-on-the-antimold-activity-of-lactobacillus
#14
Katarzyna Kycia, Anna Bzducha-Wróbel, Karolina Kraśniewska, Anna Chlebowska-Śmigiel, Małgorzata Gniewosz
The antimold activity of lactic acid bacteria (LAB) is used in food biopreservation. The aim of this study was to evaluate the effect of magnesium acetate added to de Man Rogosa Sharpe (MRS) medium on the antimold activity of three LAB strains ( Lactobacillus plantarum , Lactobacillus brevis , and Lactobacillus fermentum ) against molds contaminating food ( Aspergillus oryzae , Aspergillus niger , Penicillium chrysogenum , Fusarium avenaceum , and Rhizopus arrhizus ) and their ability to produce organic acids (acetic acid, lactic acid, and phenyllactic acid)...
January 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28210573/emphysematous-pyelonephritis-in-a-transplanted-kidney
#15
Cristiano Claudino Oliveira, Paula Dalsoglio Garcia, Rosa Marlene Viero
Emphysematous pyelonephritis is a rare infection characterized by necrosis and gas accumulation in the renal parenchyma, adjacent tissues, and/or urinary collecting system. This entity is rarely reported in transplanted kidneys. Computed tomography imaging is necessary for diagnosis and risk classification. The authors described the case of a 58-year-old man who underwent a kidney transplant and presented sepsis from a urinary tract infection. An abdominal tomography showed some characteristics of emphysematous pyelonephritis associated with an abscess...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28203191/airbag-associated-severe-blunt-eye-injury-causes-choroidal-rupture-and-retinal-hemorrhage-a-case-report
#16
Shih Hao Wang, Chen Chee Lim, Yu Ti Teng
A case of choroidal rupture caused by airbag-associated blunt eye trauma and complicated with massive subretinal hemorrhage and vitreous hemorrhage that was successfully treated with intravitreal injection of expansile gas and bevacizumab is presented. A 53-year-old man suffered from loss of vision in his right eye due to blunt eye trauma by a safety airbag after a traffic accident. On initial examination, the patient had no light perception in his right eye. Dilated ophthalmoscopy revealed massive subretinal hemorrhage with macular invasion and faint vitreous hemorrhage...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28188168/metformin-associated-lactic-acidosis-treated-with-continuous-renal-replacement-therapy
#17
Akihide Nakamura, Kei Suzuki, Hiroshi Imai, Naoyuki Katayama
Metformin-associated lactic acidosis (MALA) is a rare but life-threatening complication. We report a case of MALA in a man aged 71 years who was treated with continuous renal replacement therapy (CRRT). The patient was brought to the hospital for prolonged and gradual worsening gastrointestinal symptoms. Although he received intravenous treatment, he developed catecholamine-resistant shock, and blood gas analysis revealed lactic acidosis. Bicarbonate and antibiotics for possible sepsis were initiated, but with no clear benefit...
February 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28161292/a-case-of-descending-mediastinitis-caused-by-streptococcus-pyogenes-harboring-genotype-emm25-and-sequence-type-660
#18
Hiroaki Ohya, Nobuaki Mori, Tetsuro Hayashi, Shujiro Minami, Akiko Higuchi, Takashi Takahashi
Descending mediastinitis caused by Streptococcus pyogenes (group A streptococcus, GAS) is rare among cases of invasive GAS infection. In this report, we describe a case of a cervical abscess and secondary descending mediastinitis in a previously healthy 39-year-old Japanese man. The patient presented with a 2-week history of a sore throat, and subsequently developed an abscess and descending mediastinitis. We treated the cervical abscess using ampicillin/sulbactam and drainage, and GAS was subsequently isolated in two blood cultures from the patient's admission...
February 1, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28160984/the-2016-lewis-h-wright-memorial-lecture-america-s-doctor-anaesthetists-1862-1936-turning-a-tide-of-asphyxiating-waves
#19
George S Bause
Laughing-gas showman G.Q. Colton franchised dental extraction under 100% nitrous oxide in many large American cities before popularizing the practice with French Imperial Court dentist T.W. Evans in France and then England. Chicago dentist Z. Rogers helped surgeon E. Andrews oxygenate nitrous oxide, with neither man changing significantly the clinical practices of others. London's F.W. Hewitt and Pittsburgh's S.J. Hayes oxygenated anesthetics with greater clinical impact. By 1920, E.I. McKesson had publicized his practice of secondary saturation with bursts of 100% nitrous oxide to relax musculature in anesthetized patients...
January 2017: Journal of Anesthesia History
https://www.readbyqxmd.com/read/28133297/-a-case-where-rectal-cancer-ileus-caused-perforation-in-the-ascending-colon
#20
Tomohiko Machida, Masayoshi Kobayashi, Kazuki Sakai, Kunihiko Hiraoka, Takao Ichihara
The patient was a 65-year-old man. He had not defecated for a week in early December 2015, and had noticed abdominal pain and abdominaldistension from 4 days prior. The pain and distension worsened, and the patient was rush transported to our hospital. Via abdominal CT we found free air in the upper abdomen, expansion of the small and large intestines, and notably, significant intestinal tract expansion and a gas reservoir in the ascending colon. We found significant narrowing as well as hypertrophy along the entire circumference of the rectum and suspected gastrointestinal perforation due to rectal cancer ileus...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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