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Segev DL

Daniel Landau, Lital London, Inbar Bandach, Yael Segev
OBJECTIVES: Anemia is a known driver for hypoxia inducible factor (HIF) which leads to increased renal erythropoietin (EPO) synthesis. Bone marrow (BM) EPO receptor (EPOR) signals are transduced through a JAK2-STAT5 pathway. The origins of anemia of chronic kidney disease (CKD) are multifactorial, including impairment of both renal EPO synthesis as well as intestinal iron absorption. We investigated the HIF- EPO- EPOR axis in kidney, BM and proximal tibia in anemic juvenile CKD rats. METHODS: CKD was induced by 5/6 nephrectomy in young (20 days old) male Sprague-Dawley rats while C group was sham operated...
2018: PloS One
Gad Baneth, Gilad Segev, Michal Mazaki-Tovi, Hila Chen, Sharon Kuzi
BACKGROUND: Renal disease is considered the main cause of natural mortality in dogs with canine leishmaniosis. The pathological mechanisms associated with kidney injury in canine leishmaniosis include immune complex glomerulonephritis, tubulointerstitial nephritis and occasionally renal amyloidosis. Proteinuria is a frequent finding in canine leishmaniosis and its quantification by the urine protein-creatinine ratio (UPC) is an important parameter in the staging of canine lesihmaniosis as presented by the LeishVet group...
March 20, 2018: Parasites & Vectors
Naomi Weintrob, Anita Schachter Davidov, Anat Segev Becker, Galit Israeli, Asaf Oren, Ori Eyal
OBJECTIVE: The total cortisol (TC) response may be measured during the glucagon stimulation test (GST) for growth hormone (GH) reserve in order to assess the integrity of the hypothalamic-pituitary-adrenal (HPA) axis. Measurements of TC are unreliable in conditions of albumin and cortisol-binding globulin (CBG) alterations (e.g., hypoproteinemia or CBG deficiency). We aimed to measure the serum free cortisol (sFC) response to the GST in children and adolescents and determine whether it could predict the GH response to glucagon stimulation...
March 2018: Endocrine Practice
Anna Shipov, Josh Milgram, Nitzan Shalev, Itamar Aroch, Gilad Segev
OBJECTIVE: D-dimer is a specific marker of active coagulation and fibrinolysis. The objective of this study is to determine the influence of surgery on D-dimer concentration as well as to examine the relation between the magnitude of change and invasiveness of the surgical procedures. STUDY DESIGN: Prospective clinical study. ANIMALS: Forty-five client-owned dogs undergoing elective neutering (n = 15), elective orthopedic (n = 15), or posttraumatic orthopedic (n = 15) surgical procedures...
April 2018: Veterinary Surgery: VS
Gilad Segev, Larry D Cowgill
OBJECTIVE: To describe the management of cyclosporine overdose using hemodialysis and hemoperfusion in a dog. CASE SUMMARY: A 6-year-old, spayed female Australian Shepherd was presented for treatment of cyclosporine overdose and acute kidney injury. Five days prior to presentation, the dog had been diagnosed by its referring veterinarian with immune-mediated thrombocytopenia. Treatment was initiated with prednisone, but since no response was noted, azathioprine (50 mg PO q 24 h) and cyclosporine (6 mg/kg IV q 24 h) were added...
March 2018: Journal of Veterinary Emergency and Critical Care
Paolo Pazzi, Anastasia Kavkovsky, Anna Shipov, Gilad Segev, Eran Dvir
Canine spirocercosis is caused by the nematode Spirocerca lupi. Migration results in oesophageal fibro-inflammatory nodules that may undergo neoplastic transformation. No studies have assessed pre- or post-surgical prognostic indicators in dogs that undergo intervention for S. lupi induced oesophageal neoplasia. This observational, multi-center study aimed to assess the outcome of dogs with Spirocerca induced sarcoma undergoing endoscopic-guided ablation (n = 12) or surgery (n = 18), and identify prognostic indicators...
January 30, 2018: Veterinary Parasitology
Yoni Grossman, Israel M Barbash, Paul Fefer, Ilan Goldenberg, Anat Berkovitch, Ehud Regev, Noam Fink, Sagit Ben-Zekry, Yafim Brodov, Alexander Kogan, Victor Guetta, Ehud Raanani, Amit Segev
OBJECTIVES: The ability of the Society of Thoracic Surgeons (STS) and European System for Cardiac Operative Risk Evaluation (EuroSCORE)-2 scores to predict outcomes after transcatheter aortic valve replacement (TAVR) is insufficient. Frailty and serum albumin as a frailty marker were shown to correlate with prognosis after TAVR. We sought to evaluate the additive value of serum albumin to STS and EuroSCORE-2 scores to predict mortality in individuals undergoing TAVR. DESIGN: Retrospective analysis...
November 2017: Journal of the American Geriatrics Society
Ran Kornowski, Ariel Roguin, Haim Danenberg, Hana Vaknin Assa, Eitan Abergel, Eliezer Rozenbaum, Victor Guetta, Uri Landes, Refat Jabara, Amnon Merdler, Amit Segev, Morris Mosseri, Abid Assali
BACKGROUND: Drug-eluting stents with biodegradable polymer might be particularly useful in diabetic patients who are at increased risk for target lesion/target vessel revascularization. We therefore aimed at assessing the safety and performance of a biodegradable polymer sirolimus-eluting stent (BP-SES) in combination with comprehensive optimal medical therapy following coronary interventions. METHODS: This prospective, multicenter registry was conducted at six centers in Israel...
July 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
Andrada Bogdan, Israel M Barbash, Amit Segev, Paul Fefer, Stefan Nicolae Bogdan, Elad Asher, Noam Fink, Ashraf Hamdan, Dan Spiegelstein, Ehud Raanani, Victor Guetta
AIMS: Albumin is a marker of frailty. Scarce data are available on correlations between frailty-related parameters and outcomes in patients undergoing TAVI. This study sought to evaluate the relation between albumin and mortality in TAVI candidates. METHODS AND RESULTS: A total of 150 patients (mean age 81±6 years) undergoing TAVI were included in the study. Patients with pre-procedural albumin >4 g/dl (>40 g/L) (n=71) were compared to those ≤4 g/dl (≤40 g/L) (n=79)...
October 10, 2016: EuroIntervention
Shmuel Gottlieb, Shimon Kolker, Nir Shlomo, Shlomi Matetzky, Eran Leitersdorf, Amit Segev, Ilan Goldenberg, Dan Tzivoni, Giora Weisz, Mady Moriel
BACKGROUND: STEMI is thought to occur as a result of a vulnerable coronary plaque rupture. Statins possess hypolipidemic and pleotropic effects that stabilize coronary plaque. We sought to determine the association between LDL-C levels, statin use prior to the index event on the type of acute coronary syndrome (ACS) presentation: STEMI vs. non-STEMI/unstable angina. METHODS: Data was drawn from the ACS Israeli Survey (ACSIS), a biennial prospective survey of ACS patients hospitalized in all CCU/Cardiology departments during 2002-2010...
May 1, 2016: International Journal of Cardiology
Grace Younes, Yakir Segev, Julia Begal, Ron Auslender, Yael Goldberg, Amnon Amit, Ofer Lavie
OBJECTIVES: Preoperative hematologic parameters: thrombocytosis, leukocytosis and anemia have been demonstrated to be independent poor prognostic factors in ovarian and endometrial cancers. However, little is known about their relation to uterine serous papillary carcinoma (USPC). We evaluated several preoperative hematologic parameters and their association with clinicopathologic features, disease progression and overall survival in USPC patients. STUDY DESIGN: This was a retrospective cohort study reviewing charts of all patients with a histologic pure USPC at two gynecologic oncology centers from January 2000 through July 2012...
April 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Jennifer Ben Oz, Itamar Aroch, Gilad Segev
OBJECTIVE: To describe the clinical and laboratory findings of a dog with gastric perforation, resulting in a markedly increased peritoneal effusion-to-serum potassium ratio. CASE SUMMARY: A 6-year-old mixed breed neutered male dog presented with a right femoral fracture after being hit by car. The fracture was repaired surgically. Four days postoperatively, the dog developed peritoneal effusion, confirmed with ultrasonography. Peritoneal effusion analysis and serum biochemistry, performed concurrently, showed blood-to-effusion glucose difference >1...
November 2016: Journal of Veterinary Emergency and Critical Care
C A Palm, G Segev, L D Cowgill, B E LeRoy, K L Kowalkowski, K Kanakubo, J L Westropp
BACKGROUND: Acute kidney injury (AKI) is associated with high mortality rates in dogs, which may be a consequence of late recognition using traditional diagnostic tests. Neutrophil gelatinase-associated lipocalin (NGAL) is a protein-induced during kidney injury that may identify AKI earlier than traditional tests. OBJECTIVES/HYPOTHESIS: To evaluate urinary NGAL (uNGAL) and uNGAL-to-urinary creatinine ratio (UNCR) as early markers of kidney injury and recovery in an AKI model in dogs...
January 2016: Journal of Veterinary Internal Medicine
G Segev, S Daminet, E Meyer, J De Loor, A Cohen, I Aroch, Y Bruchim
Heatstroke is often associated with acute kidney injury (AKI). The objectives of this study were to characterize the kidney damage occurring in canine heatstroke using routine and novel biomarkers and to assess their diagnostic and prognostic performance. Thirty dogs with naturally occurring heatstroke were enrolled prospectively. Blood and urine specimens were collected at presentation, at 4 h post-presentation and every 12 h until discharge or death. The glomerular filtration rate (GFR) and electrolyte fractional excretion (FE) at 4 h post-presentation were also calculated, based on urinary clearances...
November 2015: Veterinary Journal
S Klainbart, E Kelmer, B Vidmayer, T Bdolah-Abram, G Segev, I Aroch
BACKGROUND: Acute limb paralysis because of arterial thromboembolism (ATE) occurs in cats and less commonly in dogs. ATE is diagnosed based on physical examination findings and, occasionally, advanced imaging. HYPOTHESIS/OBJECTIVES: Peripheral, affected limb venous glucose concentration is decreased in ATE, whereas its systemic concentration is within or above reference interval. ANIMALS: Client-owned cats and dogs were divided into 3 respective groups: acute limb paralysis because of ATE (22 cats and 9 dogs); acute limb paralysis secondary to orthopedic or neurologic conditions (nonambulatory controls; 10 cats and 11 dogs); ambulatory animals presented because of various diseases (ambulatory controls; 10 cats and 9 dogs)...
September 2014: Journal of Veterinary Internal Medicine
Assi Milwidsky, Shaye Kivity, Eran Kopel, Robert Klempfner, Anat Berkovitch, Shlomo Segev, Yechezkel Sidi, Ilan Goldenberg, Elad Maor
BACKGROUND: High-density lipoprotein cholesterol (HDL-C) is a strong inverse predictor of cardiovascular events. The aim of the current study was to evaluate the correlation between changes in HDL-C and subsequent cardiovascular events. METHODS: Study population comprised 13,037 subjects free of cardiovascular disease with a mean follow up of 6 ± 3 years. Low HDL-C was defined as < 40 mg/dl for men and <50mg/dl for women. Participants were divided into three groups based on HDL-C levels at the first and second baseline visits: persistently-low HDL-C (LL); persistently-high HDL-C (HH); and those with high HDL-C in a one visit only: intermittently high HDL-C (LH/HL)...
May 1, 2014: International Journal of Cardiology
David Pereg, Avishay Elis, Yoram Neuman, Morris Mosseri, Avi Leader, David Segev, Martine Granek-Catarivas, Michael Lishner, Doron Hermoni
BACKGROUND: Guidelines recommend low-density lipoprotein-cholesterol (LDL-C) target of <70 mg/dL in patients with coronary disease. However, this goal is not achieved in many patients. OBJECTIVES: We compared LDL-C control in patients with coronary disease treated by a primary care physician or with the addition of a cardiologist. METHODS: Included were patients with coronary disease who had full lipid profile. Primary end points included the percentage of patients who achieved the LDL-C goals of <100 mg/dL and <70 mg/dL...
November 2013: Journal of Clinical Lipidology
Shaye Kivity, Eran Kopel, Shmuel Steinlauf, Shlomo Segev, Yechezkel Sidi, David Olchovsky
OBJECTIVE: Previous studies have demonstrated an association between increased serum uric acid (SUA) levels and incident diabetes. Most clinical and epidemiological investigations, however, focused solely on male populations or did not analyze men and women separately. We assessed the association between SUA levels and diabetes incidence in a large cohort of apparently healthy men and women. METHODS: Data were retrospectively gathered from 9140 adults who participated in annual medical screening visits during 2000-2009...
September 2013: Journal of Women's Health
Shaye Kivity, Eran Kopel, Elad Maor, Fadi Abu-Bachar, Shlomo Segev, Yechezkel Sidi, David Olchovsky
Studies in different populations with high risk for cardiovascular disease (CVD) have shown an association between serum uric acid (SUA) and CVD. However, only a few studies have demonstrated such an association in healthy populations. The aim of this study was to investigate the association between SUA and CVD in a cohort of men and women without diabetes or CVD. A retrospective study was conducted, with a mean 4.8-year follow-up. The outcome was the occurrence of a cardiovascular event, defined as the diagnosis of ischemic heart disease, acute coronary syndrome, acute myocardial infarction, or ischemic stroke...
April 15, 2013: American Journal of Cardiology
David Pereg, Yoram Neuman, Avishay Elis, Sa'ar Minha, Morris Mosseri, David Segev, Michael Lishner, Doron Hermoni
Peripheral arterial disease (PAD) is a strong risk factor for cardiovascular morbidity and mortality. Therefore, target low-density lipoprotein (LDL) cholesterol level in patients with PAD is ≤70 mg/dl, similar to patients with coronary artery disease (CAD). However, despite their high cardiovascular risk, patients with PAD less frequently achieve LDL cholesterol goals compared to patients with CAD. We aimed to compare LDL cholesterol control in patients after first coronary or peripheral vascular intervention...
November 1, 2012: American Journal of Cardiology
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