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https://www.readbyqxmd.com/read/29684910/forensic-applications-of-supercritical-fluid-chromatography-mass-spectrometry
#1
REVIEW
Volodymyr Pauk, Karel Lemr
Achievements of supercritical fluid chromatography with mass spectrometric detection made in the field of forensic science during the last decade are reviewed. The main topics include analysis of traditional drugs of abuse (e.g. cannabis, methamphetamine) as well as new psychoactive substances (synthetic cannabinoids, cathinones and phenethylamines), doping agents (anabolic steroids, stimulants, diuretics, analgesics etc.) and chemical warfare agents. Control of food authenticity, detection of adulteration and identification of toxic substances in food are also pointed out...
April 11, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29684381/serum-chloride-as-a-novel-marker-for-adding-prognostic-information-of-mortality-in-chronic-heart-failure
#2
Yang Zhang, Rui Peng, Xinqiang Li, Jinxing Yu, Xi Chen, Zhou Zhou
BACKGROUND: Serum chloride concentrations have clinical significance in the prognosis of heart failure (HF). Little is known regarding the prognostic value of serum chloride in patients with chronic heart failure (CHF). This study sought to investigate the prognostic ability of admission serum chloride for long-term mortality in CHF patients. METHODS: We recruited 1021 patients diagnosed with CHF. Participants were followed up for all-cause mortality at 21 ± 9 months to establish the survival models and analyze the association between admission serum chloride concentrations and death risk...
April 20, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29683884/visit-to-visit-blood-pressure-variation-is-associated-with-outcomes-in-a-u-shaped-fashion-in-patients-with-myocardial-infarction-complicated-with-systolic-dysfunction-and-or-heart-failure-findings-from-the-ephesus-and-optimaal-trials
#3
João Pedro Ferreira, Kévin Duarte, Bertram Pitt, Kenneth Dickstein, John J V McMurray, Faiez Zannad, Patrick Rossignol
BACKGROUND: Visit-to-visit office blood pressure variation (BPV) has prognostic implications independent from mean BP across several populations in the cardiovascular field. The association of BPV with outcomes in patients with myocardial infarction (MI) with systolic dysfunction and/or heart failure is yet to be determined. METHODS: Two independent cohorts were assessed: the EPHESUS and the OPTIMAAL trials with a total of more than 12 000 patients. The primary outcome was all-cause death...
April 21, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29683249/hypertension-control-after-an-initial-cardiac-event-among-medicare-patients-with-diabetes-mellitus-a-multidisciplinary-group-practice-observational-study
#4
Ashish Chaddha, Maureen A Smith, Mari Palta, Heather M Johnson
Patients with diabetes mellitus and cardiovascular disease have a high risk of mortality and/or recurrent cardiovascular events. Hypertension control is critical for secondary prevention of cardiovascular events. The objective was to determine rates and predictors of achieving hypertension control among Medicare patients with diabetes and uncontrolled hypertension after hospital discharge for an initial cardiac event. A retrospective analysis of linked electronic health record and Medicare data was performed...
April 23, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29682811/upregulation-of-hypothalamic-arginine-vasopressin-by-peripherally-administered-furosemide-in-transgenic-rats-expressing-arginine-vasopressin-enhanced-green-fluorescent-protein
#5
Hiromichi Ueno, Mitsuhiro Yoshimura, Kentaro Tanaka, Haruki Nishimura, Kazuaki Nishimura, Satomi Sonoda, Yasuhito Motojima, Reiko Saito, Takashi Maruyama, Tetsu Miyamoto, Ryota Serino, Masahito Tamura, Tatsushi Onaka, Yutaka Otsuji, Yoichi Ueta
Furosemide, which is used worldwide as a diuretic agent, inhibits sodium reabsorption in the Henle's loop, resulting in diuresis and natriuresis. Arginine vasopressin (AVP) is synthesized in the supraoptic nucleus (SON), paraventricular nucleus (PVN), and suprachiasmatic nucleus (SCN) of the hypothalamus. The synthesis AVP in the magnocellular neurons of SON and PVN physiologically regulated by plasma osmolality and blood volume and contributed water homeostasis by increasing water reabsorption in the collecting duct...
April 22, 2018: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29682383/polysubstance-and-behavioral-addictions-in-a-patient-with-bipolar-disorder-role-of-lifetime-subthreshold-autism-spectrum
#6
Liliana Dell'Osso, Ciro Conversano, Martina Corsi, Carlo A Bertelloni, Ivan M Cremone, Barbara Carpita, Manuel G Carbone, Camilla Gesi, Claudia Carmassi
This case report draws attention to the potential relevance of undetected autism spectrum symptoms in a bipolar patient with high work functioning showing a peculiar addictive profile with impulsive and antisocial behaviors. A 23-year-old man with a diagnosis of Bipolar Disorder (BD) and Substance Use Disorder (SUD) was hospitalized at the Psychiatric Clinic of the University of Pisa for diuretics and β -2 adrenergic agonist abuse in a remission phase of benzodiazepines and substance abuse. He reported a history of behavioral addictions in the framework of a global high work functioning with particular skills in computer science...
2018: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/29676870/-which-place-for-thiazide-and-thiazide-like-diuretics-in-patients-with-type-2-diabetes
#7
A J Scheen, J M Krzesinski
The use of thiazides as antihypertensive agents has been challenged because associated metabolic adverse events, including new-onset diabetes. However, these metabolic disturbances are less marked with low-dose of hydrochlorothiazide and with thiazide-like diuretics such as chlorthalidone and indapamide. In post hoc analyses of subgroups of patients with hypertension and type 2 diabetes, thiazide(-like) diuretics resulted in a significant reduction in cardiovascular events, all-cause mortality and hospitalization for heart failure compared to placebo...
April 2018: Revue Médicale de Liège
https://www.readbyqxmd.com/read/29675064/resolution-of-refractory-hepatic-hydrothorax-in-patients-with-hepatitis-c-virus-cirrhosis-after-treatment-with-direct-acting-antiviral-agents
#8
Maged H Hussein, Musthafa Chalikandy Peedikayil, Zamir Ahmed Zamir, Abdulrahman Alfadda
Hepatic hydrothorax (HH) is a transudative pleural effusion that complicates advanced liver cirrhosis. Cases refractory to medical treatment in the form of salt restriction and diuretics are labeled refractory hepatic hydrothorax (RHH) and may require transjugular intrahepatic portosystemic shunts (TIPSS) or even liver transplantation. Renal impairment is common in advanced liver disease, worsens its prognosis, and makes the management of HH more challenging. Successful antiviral therapy reduces some of the complications of cirrhosis secondary to hepatitis C virus (HCV) infection...
April 2018: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/29674798/switching-of-antihypertensive-drugs-at-tertiary-care-government-hospital-hyderabad-india-a-cross-sectional-retrospective-investigation
#9
Varsha Varakantham, Ashok Kumar Kurakula Sailoo, Venkaiah Kodali, Dinesh Kumar Bharatraj
OBJECTIVE: Switching of antihypertensive drugs is attributed to uncontrolled blood pressure (BP) which imposes a great burden on health economics. But again, switching leads to accomplishment of the goal BP, thereby improving the health status. Such studies are well documented in developed nations but rarely reported in developing countries, especially in India. Therefore, the aim of this study was to evaluate various factors associated with switching of antihypertensive drugs. METHODS: A cross-sectional retrospective investigation was performed using a standardized schedule adapting the World Health Organization indicators for drug utilization in a tertiary care government hospital, Hyderabad, India...
November 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/29671146/validation-trial-for-efficacy-of-ultrasonographic-measurement-method-to-predict-ascitic-volume-using-virtual-ultrasonography
#10
Masashi Hirooka, Yohei Koizumi, Yusuke Imai, Atsushi Yukimoto, Takao Watanabe, Osamu Yoshida, Masanori Abe, Yoichi Hiasa
PURPOSE: The aim of this study was to clarify whether ultrasound quantitative methods were positively correlated with volume of ascites evaluated by whole abdominopelvic CT. METHODS: Sixty-eight patients with cirrhotic ascites were retrospectively analyzed. First, to confirm that virtual ultrasonography (VUS) is an alternative method to conventional ultrasound, 22 patients underwent both conventional ultrasonography and VUS. Second, the efficacy of US quantitative methods (3-point method, 4-point method, 5-point method, and Matsumoto's method) was confirmed by VUS in 68 patients...
April 18, 2018: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29669332/paritaprevir-ritonavir-ombitasvir-plus-dasabuvir-regimen-in-the-treatment-of-genotype-1-chronic-hepatitis-c-infection-in-patients-with-severe-renal-impairment-and-end-stage-renal-disease-a-real-life-cohort
#11
Jan Sperl, Miluse Kreidlova, Dusan Merta, Klara Chmelova, Renata Senkerikova, Sona Frankova
BACKGROUND/AIMS: Chronic hepatitis C (HCV) virus infection reactivates under immunosuppressive drugs and therefore has a negative impact on long-term survival of kidney transplant recipients. Treatment-induced clearance of hepatitis C virus (HCV) in kidney transplant candidates prevents virus reactivation after transplantation. Paritaprevir/Ritonavir/Ombitasvir with Dasabuvir (PrOD) represents a highly effective treatment regimen for HCV genotype 1 (GT1), also suitable for patients with end-stage renal disease (ESRD)...
April 13, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29669327/effects-of-baicalin-on-diabetic-cardiac-autonomic-neuropathy-mediated-by-the-p2y12-receptor-in-rat-stellate-ganglia
#12
Xuan Sheng, Jiayue Wang, Jingjing Guo, Yurong Xu, Huaide Jiang, Chaoran Zheng, Zixi Xu, Yuanruohan Zhang, Hongyu Che, Shangdong Liang, Gaochun Zhu, Guilin Li
BACKGROUND/AIMS: Chronic diabetic hyperglycemia can damage various of organ systems and cause serious complications. Although diabetic cardiac autonomic neuropathy (DCAN) is the primary cause of death in diabetic patients, its pathogenesis remains to be fully elucidated. Baicalin is a flavonoid extracted from Scutellaria baicalensis root and has antibacterial, diuretic, anti-inflammatory, anti- metamorphotic, and antispasmodic effects. Our study explored the effects of baicalin on enhancing sympathoexcitatory response induced by DCAN via the P2Y12 receptor...
April 13, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29669139/diuretic-or-sodium-restricted-diet-for-obstructive-sleep-apnea-a-randomized-trial
#13
Cintia Zappe Fiori, Denis Martinez, Carolina Caruccio Montanari, Pedro Lopez, Rodrigo Camargo, Lauren Sezerá, Sandro Cadaval Gonçalves, Flavio Danni Fuchs
Study Objectives: Interventions that decrease leg fluid retention reduce obstructive sleep apnea (OSA) severity in nonrandomized experiments. We aimed to investigate in a randomized trial the effect of interventions that reduce fluid volume on OSA severity. Methods: Men diagnosed with severe OSA were randomized to receive daily spironolactone 100 mg + furosemide 20 mg or nutritional counseling to sodium-restricted diet plus placebo pill or placebo pill. All participants underwent home sleep apnea testing at baseline and after 1 week follow-up...
April 1, 2018: Sleep
https://www.readbyqxmd.com/read/29667759/incidence-predictors-and-clinical-management-of-hyperkalaemia-in-new-users-of-mineralocorticoid-receptor-antagonists
#14
Marco Trevisan, Pietro de Deco, Hairong Xu, Marie Evans, Bengt Lindholm, Rino Bellocco, Peter Barany, Tomas Jernberg, Lars H Lund, Juan J Carrero
BACKGROUND: Concerns for hyperkalaemia limit the use of mineralocorticoid receptor antagonists (MRAs). The frequency of MRA-associated hyperkalaemia in real-world settings and the extent of subsequent MRA discontinuation are poorly quantified. METHODS AND RESULTS: Observational study including all Stockholm citizens initiating MRA therapy during 2007-2010. Hyperkalaemias were identified from all potassium (K+ ) measurements in healthcare. MRA treatment lengths and dosages were obtained from complete collection of pharmacy dispensations...
April 18, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29666065/predicting-30-day-hospital-readmissions-in-acute-myocardial-infarction-the-ami-readmits-renal-function-elevated-brain-natriuretic-peptide-age-diabetes-mellitus-nonmale-sex-intervention-with-timely-percutaneous-coronary-intervention-and-low-systolic-blood-pressure
#15
Oanh Kieu Nguyen, Anil N Makam, Christopher Clark, Song Zhang, Sandeep R Das, Ethan A Halm
BACKGROUND: Readmissions after hospitalization for acute myocardial infarction (AMI) are common. However, the few currently available AMI readmission risk prediction models have poor-to-modest predictive ability and are not readily actionable in real time. We sought to develop an actionable and accurate AMI readmission risk prediction model to identify high-risk patients as early as possible during hospitalization. METHODS AND RESULTS: We used electronic health record data from consecutive AMI hospitalizations from 6 hospitals in north Texas from 2009 to 2010 to derive and validate models predicting all-cause nonelective 30-day readmissions, using stepwise backward selection and 5-fold cross-validation...
April 17, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29665445/acute-kidney-injury-during-treatment-with-high-dose-cloxacillin-a-report-of-23-cases-and-literature-review
#16
Aurélie Lavergne, Cécile Vigneau, Elisabeth Polard, Louise Triquet, Nathalie Rioux-Leclercq, Pierre Tattevin, Léonard Golbin
BACKGROUND: International guidelines recommend high-dose cloxacillin for endocarditis or osteoarticular infections due to meticillin-susceptible staphylococci. However, data on the tolerability of these regimens are scarce. METHODS: We used the computerized registry of suspected drug-related adverse events in our institution. Cases of acute kidney injury (AKI), as defined by KDIGO, in patients receiving high-dose cloxacillin, were retrospectively reviewed. Data were collected from medical charts on a standardized questionnaire...
April 14, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29665203/tolvaptan-alleviates-excessive-fluid-retention-of-nephrotic-diabetic-renal-failure-unresponsive-to-furosemide
#17
Tesshu Takada, Tsuguto Masaki, Ayako Hoshiyama, Takuya Toki, Yuji Kamata, Masayoshi Shichiri
Patients with diabetic nephropathy develop nephrotic syndrome, and may show limited response to conventional therapy. They often require earlier initiation of renal replacement therapy because they become refractory to diuretics, and experience excessive fluid retention. We aimed to investigate the efficacy of tolvaptan, an oral arginine vasopressin type 2 receptor antagonist, in a case series of 14 severe diabetic renal failure patients who were severely refractory to maximal doses of furosemide and had excessive fluid retention despite preserved cardiac function and residual renal function...
April 17, 2018: Nephrology
https://www.readbyqxmd.com/read/29664030/do-practice-gaps-exist-in-evidence-based-medication-prescription-at-hospital-discharge-in-patients-undergoing-coronary-artery-bypass-surgery-coronary-angioplasty
#18
Pradeep Pereira, Aditya Kapoor, Archana Sinha, Surendra K Agarwal, Shantanu Pande, Roopali Khanna, Nilesh Srivastava, Sudeep Kumar, Naveen Garg, Satyendra Tewari, Pravin Goel
Background & objectives: Prescription patterns of guideline-directed medical therapy (GDMT) after coronary artery bypass surgery [coronary artery bypass graft (CABG)] and percutaneous coronary intervention (PCI) at hospital discharge are often not optimal. In view of scarce data from the developing world, a retrospective analysis of medication advice to patients following CABG and PCI was conducted. Methods: Records of 5948 patients (post-PCI: 5152, post-CABG: 796) who underwent revascularization from 2010 to 2014 at a single tertiary care centre in north India were analyzed...
December 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29663016/gallic-acid-a-phenolic-compound-isolated-from-mimosa-bimucronata-dc-kuntze-leaves-induces-diuresis-and-saluresis-in-rats
#19
Fabile Schlickmann, Thaise Boeing, Luisa Nathália Bolda Mariano, Rita de Cássia Melo Vilhena de Andrade Fonseca da Silva, Luisa Mota da Silva, Sérgio Faloni de Andrade, Priscila de Souza, Valdir Cechinel-Filho
Although present in the leaves of Mimosa bimucronata (DC.) and many other medicinal plants commonly used to augment urinary volume excretion, the effects of gallic acid as a diuretic agent remain to be studied. Wistar rats were orally treated with vehicle, hydrochlorothiazide, or gallic acid. The effects of gallic acid in the presence of hydrochlorothiazide, furosemide, amiloride, L-NAME, atropine, and indomethacin were also investigated. Diuretic index, pH, conductivity, and electrolyte excretion were evaluated at the end of the experiment (after 8 or 24 h)...
April 16, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29659393/unexpected-vesicoureteral-reflux-into-a-nonfunctioning-transplant-kidney-on-renal-scintigraphy
#20
Adam Cruz, Daniel J Wale, Ka Kit Wong, Brett M Arnkoff, Benjamin L Viglianti
Vesicoureteral reflux after renal transplantation is associated with increase risk of urinary tract infections, renal scarring, and graft failure. We describe a case of a 46-year-old woman with 2 transplant kidneys, one functioning and another nonfunctioning, presenting with pelvic pain after a bilateral periureteral bulking procedure. Diuretic renography was performed to exclude iatrogenic ureteral obstruction. This showed a normally functioning transplant kidney without obstruction and subsequent vesicoureteral reflux into the collecting system of the nonfunctioning transplant kidney...
April 13, 2018: Clinical Nuclear Medicine
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