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| 1 | Establishing the presence or absence of chronic kidney disease:Uses and limitations of formulas estimating the glomerular filtration rate显示文摘The development of formulas estimating glomerular filtration rate(eG FR) from serum creatinine and cystatin C and accounting for certain variables affecting the production rate of these biomarkers, including ethnicity, gender and age, has led to the current scheme of diagnosing and staging chronic kidney disease(CKD),which is based on e GFR values and albuminuria.This scheme has been applied extensively in various populations and has led to the current estimates of prevalence of CKD. In addition, this scheme is applied in clinical studies evaluating the risks of CKD and the efficacy of various interventions directed towards improving its course. Disagreements between creatinine-based and cystatin-based e GFR values and between e GFR values and measured GFR have been reported in various cohorts. These disagreements are the consequence of variations in the rate of production and in factors, other than GFR, affecting the rate of removal of creatinine and cystatin C. The disagreements create limitations for all e GFR formulas developed so far. The main limitations are low sensitivity in detecting early CKD in several subjects, e.g., those with hyperfiltration, and poor prediction of the course of CKD. Research efforts in CKD are currently directed towards identification of biomarkers that are better indices of GFR than the current biomarkers and,particularly, biomarkers of early renal tissue injury. | Ahmed Alaini Deepak Malhotra Helbert Rondon-Berrios Christos P Argyropoulos Zeid J Khitan Dominic SC Raj Mark Rohrscheib Joseph I Shapiro Antonios H Tzamaloukas | 2017 | World Journal of Methodology2017，7，3： | 7 |
| 2 | BK nephropathy in the native kidneys of patients with organ transplants: Clinical spectrum of BK infection显示文摘Nephropathy secondary to BK virus, a member of the Papoviridae family of viruses, has been recognized for some time as an important cause of allograft dysfunction in renal transplant recipients. In recent times, BK nephropathy(BKN) of the native kidneys has being increasingly recognized as a cause of chronic kidney disease in patients with solid organ transplants, bone marrow transplants and in patients with other clinical entities associated with immunosuppression. In such patients renal dysfunction is often attributed to other factors including nephrotoxicity of medications used to prevent rejection of the transplanted organs. Renal biopsy is required for the diagnosis of BKN. Quantitation of the BK viral load in blood and urine are surrogate diagnostic methods. The treatment of BKN is based on reduction of the immunosuppressive medications. Several compounds have shown antiviral activity, but have not consistently shown to have beneficial effects in BKN. In addition to BKN, BK viral infection can cause severe urinary bladder cystitis, ureteritis and urinary tract obstruction as well as manifestations in other organ systems including the central nervous system, the respiratory system, the gastrointestinal system and the hematopoietic system. BK viral infection has also been implicated in tumorigenesis. The spectrum of clinical manifestations from BK infection and infection from other members of the Papoviridae family is widening. Prevention and treatment of BK infection and infections from other Papovaviruses are subjects of intense research. | Darlene Vigil Nikifor K Konstantinov Marc Barry Antonia M Harford Karen S Servilla Young Ho Kim Yijuan Sun Kavitha Ganta Antonios H Tzamaloukas | 2016 | World Journal of Transplantation2016，6，3： | 4 |
| 3 | Nephropathy in dietary hyperoxaluria:A potentially preventable acute or chronic kidney disease显示文摘Hyperoxaluria can cause not only nephrolithiasis and nephrocalcinosis,but also renal parenchymal disease histologically characterized by deposition of calcium oxalate crystals throughout the renal parenchyma,profound tubular damage and interstitial inflammation and fibrosis.Hyperoxaluric nephropathy presents clinically as acute or chronic renal failure that may progress to endstage renal disease(ESRD).This sequence of events,well recognized in the past in primary and enteric hyperoxalurias,has also been documented in a few cases of dietary hyperoxaluria.Estimates of oxalate intake in patients with chronic dietary hyperoxaluria who developed chronic kidney disease or ESRD were comparable to the reported average oxalate content of the diets of certain populations worldwide,thus raising the question whether dietary hyperoxaluria is a primary cause of ESRD in these regions.Studies addressing this question have the potential of improving population health and should be undertaken,alongside ongoing studies which are yielding fresh insights into the mechanisms of intestinal absorption and renal excretion of oxalate,and into the mechanisms of development of oxalate-induced renal parenchymal disease.Novel preventive and therapeutic strategies for treating all types of hyperoxaluria are expected to develop from these studies. | Robert H Glew Yijuan Sun Bruce L Horowitz Konstantin N Konstantinov Marc Barry Joanna R Fair Larry Massie Antonios H Tzamaloukas | 2014 | World Journal of Nephrology2014，3，4： | 3 |
| 4 | Prolonged hypernatremia triggered by hyperglycemic hyperosmolar state with coma: A case report显示文摘A man with past lithium use for more than 15 years, but off lithium for two years and not carrying the diagnosis of diabetes mellitus or nephrogenic diabetes insipidus(NDI), presented with coma and hyperglycemic hyperosmolar state(HHS). Following correction of HHS, he developed persistent hypernatremia accompanied by large volumes of urine with low osmolality and no response to desmopressin injections. Urine osmolality remained < 300 m Osm/kg after injection of vasopressin. Improvement in serum sodium concentration followed the intake of large volumes of water plus administration of amiloride and hydrochlorothiazide. Severe hyperglycemia may trigger symptomatic lithium-induced NDI years after cessation of lithium therapy. Patients with newonset diabetes mellitus who had been on prolonged lithium therapy in the past require monitoring of their serum sodium concentration after hyperglycemic episodes regardless of whether they do or do not carry the diagnosis of NDI. | Darlene Vigil Kavitha Ganta Yijuan Sun RichardⅠDorin Antonios H Tzamaloukas Karen S Servilla | 2015 | World Journal of Nephrology2015，4，2： | 3 |
| 5 | Fluid balance concepts in medicine:Principles and practice显示文摘The regulation of body fluid balance is a key concern in health and disease and comprises three concepts. The first concept pertains to the relationship between total body water(TBW) and total effective solute and is expressed in terms of the tonicity of the body fluids. Disturbances in tonicity are the main factor responsible for changes in cell volume, which can critically affect brain cell function and survival. Solutes distributed almost exclusively in the extracellular compartment(mainly sodium salts) and in the intracellular compartment(mainly potassium salts) contribute to tonicity, while solutes distributed in TBW have no effect on tonicity. The second body fluid balance concept relates to the regulation and measurement of abnormalities of sodium salt balance and extracellular volume. Estimation of extracellular volume is more complex and error prone than measurement of TBW. A key function of extracellular volume, which is defined as the effective arterial blood volume(EABV), is to ensure adequate perfusion of cells and organs. Other factors, including cardiac output, total and regional capacity of both arteries and veins, Starling forces in the capillaries, and gravity also affect the EABV. Collectively, these factors interact closely with extracellular volume and some of them undergo substantial changes in certain acute and chronic severe illnesses. Their changes result not only in extracellular volume expansion, but in the need for a larger extracellular volume compared with that of healthy individuals. Assessing extracellular volume in severe illness is challenging because the estimates of this volume by commonly used methods are prone to large errors in many illnesses. In addition, the optimal extracellular volume may vary from illness to illness, is only partially based on volume measurements by traditional methods, and has not been determined for each illness. Further research is needed to determine optimal extracellular volume levels in several illnesses. For these reasons, extracellular volume in severe illness merits a separate third concept of body fluid balance. | Maria-Eleni Roumelioti Robert H Glew Zeid J Khitan Helbert Rondon-Berrios Christos P Argyropoulos Deepak Malhotra Dominic S Raj Emmanuel I Agaba Mark Rohrscheib Glen H Murata Joseph I Shapiro Antonios H Tzamaloukas | 2018 | World Journal of Nephrology2018，7，1： | 3 |
| 6 | Hypertonicity:Clinical entities,manifestations and treatment显示文摘Hypertonicity causes severe clinical manifestations and is associated with mortality and severe short-term and longterm neurological sequelae. The main clinical syndromes of hypertonicity are hypernatremia and hyperglycemia.Hypernatremia results from relative excess of body sodium over body water. Loss of water in excess of intake,gain of sodium salts in excess of losses or a combination of the two are the main mechanisms of hypernatremia.Hypernatremia can be hypervolemic,euvolemic or hypovolemic. The management of hypernatremia addresses both a quantitative replacement of water and,if present,sodium deficit,and correction of the underlying pathophysiologic process that led to hypernatremia.Hypertonicity in hyperglycemia has two components,solute gain secondary to glucose accumulation in the extracellular compartment and water loss through hyperglycemic osmotic diuresis in excess of the losses of sodium and potassium. Differentiating between these two components of hypertonicity has major therapeutic implications because the first component will be reversed simply by normalization of serum glucose concentration while the second component will require hypotonic fluid replacement. An estimate of the magnitude of the relative water deficit secondary to osmotic diuresis is obtained by the corrected sodium concentration,which represents a calculated value of the serum sodium concentration that would result from reduction of the serum glucose concentration to a normal level. | Helbert Rondon-Berrios Christos Argyropoulos Todd S Ing Dominic S Raj Deepak Malhotra Emmanuel I Agaba Mark Rohrscheib Zeid J Khitan Glen H Murata Joseph I Shapiro Antonios H Tzamaloukas | 2017 | World Journal of Nephrology2017，6，1： | 2 |
| 7 | Respiratory failure in diabetic ketoacidosis显示文摘Respiratory failure complicating the course of diabetic ketoacidosis(DKA)is a source of increased morbidity and mortality.Detection of respiratory failure in DKA requires focused clinical monitoring,careful interpretation of arterial blood gases,and investigation for conditions that can affect adversely the respiration.Conditions that compromise respiratory function caused by DKA can be detected at presentation but are usually more prevalent during treatment.These conditions include deficits of potassium,magnesium and phosphate and hydrostatic or non-hydrostatic pulmonary edema.Conditions not caused by DKA that can worsen respiratory function under the added stress of DKA include infections of the respiratory system,pre-existing respiratory or neuromuscular disease and miscellaneous other conditions.Prompt recognition and management of the conditions that can lead to respiratory failure in DKA may prevent respiratory failure and improve mortality from DKA. | Nikifor K Konstantinov Mark Rohrscheib Emmanuel I Agaba Richard I Dorin Glen H Murata Antonios H Tzamaloukas | 2015 | World Journal of Diabetes2015，6，8： | 2 |
| 8 | Receiver-initiated collision avoidance in wireless networks 显示文摘 | Barcia-Luna-Aceves J J Tzamaloukas A | 2002 | Wireless Networks2002，，8： | 1 |
| 9 | Symptomatic fluid retention in patients on continuous peritoneal dialysis显示文摘 | Tzamaloukas AH Saddler MC Murata GH | 1995 | JAm Soc Nephrol1995，6，2： | 1 |
| 10 | Effect of preventing staphylococcus aureus carriage on rates of peritoneal catheter-related staphylococcal infections 显示文摘 | Ritzau J Hoffman RM Tzamaloukas AH | 2001 | Petit Dial Int2001，21，5： | 1 |
| 11 | Temporal profile of serllnl potas- sium concentration in nondiabetic and diabetic outpa tients on chronic dialysis显示文摘 | Tzamaloukas AH Avasthi PS | 1987 | Am J Nephrol1987，7，： | 1 |
| 12 | Neurological manifestations of uraemia and chronic dialysis显示文摘 | Tzamaloukas AH Agaba EI | 2004 | Niger J Med2004，13，2： | 1 |
| 13 | Symptomatic fluid retention in patients on continuous peritoneal dialysis显示文摘 | Tzamaloukas AH Saddler MC Murata GH | 1995 | JAm Soc Nephrol1995，6，： | 1 |
| 14 | Testing for direct anthelmintic effects of bioactive forages against Trichostrongylus colubriformis different in grazing sheep显示文摘 | ATHANASIADOU S TZAMALOUKAS O KYRIAZAKIS I | 2005 | Veterinary Parasitology2005，127，34： | 1 |
| 15 | Channel-Hopping Multiple Access显示文摘 | Asimakis Tzamaloukas Garcia-Luna-Aceves J J | 2000 | IEEE2000，，： | 1 |
| 16 | The consequences of short term graz- ing of bioactive forages on established adult and in- coming larvae populations of Teladorsagia circum- cincta in lambs显示文摘 | TZAMALOUKAS O ATHANASIADOU S KYRI- AZAKIS I | 2005 | International Joumat for Parasitol- ogy2005，35，3： | 1 |
| 17 | A single nueleotide polymorphism in the acetyl-coenzyme A acyltransferase 2 (ACAA2) gene is associated with milk yield in Chios sheep显示文摘 | Orford M Hadjipavlou G Tzamaloukas O | 2012 | J Dairy Sci2012，95，6： | 1 |
| 18 | Temporal profile of serllnl potassium concentration in nondiabetic and diabetic outpatients on chronic dialysis显示文摘 | Tzamaloukas AH Avasthi PS | | 0，，： | 1 |
| 19 | Femoral neck fractures in patients receiving longterm dialysis显示文摘 | Schaab PC Murphy G Tzamaloukas AH | | 0，，： | 1 |
| 20 | Symptomatic fluid retention in patients on continuous peritoneal dialysis显示文摘 | Tzamaloukas AH Saddler MC Murata GH | 1995 | J Am Soc Nephrol1995，6，： | 1 |
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