Search results for "loop"
showing 10 items of 608 documents
Optimal decongestive therapy in acute decompensated heart failure syndromes: Far from being solved
2014
We have read with great interest the article entitled “Efficacy and safety of high dose versus low dose furosemide with or without dopamine infusion: The Dopamine in Acute Decompensated Heart Failure II (DAD-HF II) Trial” [1]. First, we would like to commend the authors for their effort in carrying out this investigator-initiated clinical trial by testing the prognostic effect of three decongestive strategies in the management of patients with acute decompensated heart failure (ADHF). The analysis of the data revealed no-significant differences in the in-hospital and post-discharge outcomes between high (HDF) vs low-dose furosemide infusion (LDFD); the addition of low-dose dopamine infusion…
A Prospective Audit of the Complications of Loop Ileostomy Construction and Takedown
2004
<i>Aim:</i> A prospective review of the complications of ileostomy construction and takedown. <i>Materials and Methods:</i> One hundred twenty-seven consecutive patients undergoing construction of a loop ileostomy were included in a prospective nonrandomized computer database. Complications of the loop ileostomy were assessed prior to and after closure. Three closure techniques were performed [enterotomy suture (25.7%), resection and hand sewn (31.2%) or stapled anastomosis (43.1%)] and compared. <i>Results:</i> One hundred twenty-seven (73 male, 54 female) patients, mean age 54 years were included from 1992 to 2002. Seventy-two patients underwent anterio…
A wire-loop technique for implantation of an iliac branched device in a patient with previous surgery for a ruptured abdominal aortic aneurysm
2013
We described a modified technique for implanting a bridging stent-graft into an iliac branched device. A 79-year-old male who had received aortobiiliac synthetic graft surgery for a ruptured abdominal aortic aneurysm six months earlier was admitted to our unit for treatment of a left common iliac aneurysm involving the origin of the hypogastric artery. A standard technique was unsuccessful at implanting the bridging stent-graft, and therefore a wire-loop guidewire over the graft bifurcation was used to stabilize the contralateral sheaths and to complete the implantation. © Turkish Society of Radiology 2012.
Letter by Wachter et al regarding article, "occult atrial fibrillation in cryptogenic stroke: detection by 7-day electrocardiogram versus implantable…
2013
To the Editor: We read with great interest the article of Ritter et al,1 which nicely demonstrates that the prolongation of ECG monitoring time increases the detection rate of paroxysmal atrial fibrillation in stroke patients, a result that is in concordance with existing literature. One aspect especially drawn to our attention was the lower yield of the Holter monitoring during simultaneous ECG recording as compared with the implantable loop recorder (ILR). ILRs only store automatically triggered episodes and can detect only atrial fibrillation (AF) episodes of ≥2 minutes, whereas Holter ECGs store (usually semiautomatically analyzed) continuous recordings and …
Continuous ambulatory peritoneal dialysis and clinical outcomes in patients with refractory congestive heart failure.
2012
A B S T R A C T Introduction and objectives: Peritoneal dialysis has been proposed as a therapeutic alternative for patients with refractory congestive heart failure. The objective of this study was to assess its effect on long-term clinical outcomes in patients with advanced heart failure and renal dysfunction. Methods: A total of 62 patients with advanced heart failure (class III/IV), renal dysfunction (glomerular filtration<60 mL/min/1.73 m 2 ), persistent fluid congestion despite loop diuretic treatment and at least 2 previous hospitalizations for heart failure were invited to participate in a continuous ambulatory peritoneal dialysis program. Of these, 34 patients were excluded and adj…
Differential mortality association of loop diuretic dosage according to blood urea nitrogen and carbohydrate antigen 125 following a hospitalization …
2012
Recent observations in chronic stable heart failure suggest that high-dose loop diuretics (HDLDs) have detrimental prognostic effects in patients with high blood urea nitrogen (BUN), but recent findings have also indicated that diure- tics may improve renal function. Carbohydrate antigen 125 (CA125) has been shown to be a surrogate of systemic congestion. We sought to explore whether BUN and CA125 modulate the mortality risk associated with HDLDs following a hospitalization for acute heart failure (AHF). Methods and results We analysed 1389 consecutive patients discharged for AHF. CA125 and BUN were measured at a mean of 72+12 h after admission. HDLDs (≥120 mg/day in furosemide equivalent d…
Antigen carbohydrate 125 and creatinine on admission for prediction of renal function response following loop diuretic administration in acute heart …
2014
The use of loop diuretics in acute heart failure (AHF) is largely empirical and has been associated with renal function impairment by reducing renal perfusion but also renal improvement by decreasing renal venous congestion. Antigen carbohydrate 125 (CA125) has emerged as a proxy for fluid overload. We sought to evaluate whether the early changes in creatinine (ΔCr) induced by intravenous furosemide doses (ivFD) differ among clinical groups defined by overload status (CA125) and creatinine on admission (Cr).We included 526 consecutive patients admitted for AHF. All patients received intravenous furosemide for the first 48 hours. CA125 and Cr were dichotomized at 35 U/ml and 1.4 mg/dl, respe…
Continuous ambulatory peritoneal dialysis as a therapeutic alternative in patients with advanced congestive heart failure.
2012
Aims Continuous ambulatory peritoneal dialysis (CAPD) has been proposed as an additional therapeutic resource for patients with advanced congestive heart failure (CHF). The objective of this study was to determine the therapeutic role of CAPD, in terms of surrogate endpoints, in the management of patients with advanced CHF and renal dysfunction. A total of 57 candidates with New York Heart Association (NYHA) class III/IV CHF, renal dysfunction (glomerular filtration rate , 60 mL/min/1.73 m 2 ), persistent fluid congestion despite loop diuretic treatment, and at least two previous hospitalizations for acute heart failure (AHF) were invited to be included in the CAPD programme; however, 25 pa…
oneloop 2.0 — A program package calculating one-loop integrals
1997
We present an improved version of our program package oneloop which -- written as a package for MAPLE -- solves one-loop Feynman integrals. The package is calculating one-, two- and three-point functions both algebraically and numerically to any tensor rank. In addition to the original version oneloop 2.0 also calculates infrared divergent integrals. Higher powers of propagator terms and the $O(\eps)$ parts relevant for two-loop calculations are now supported.
Closing the sensing-reasoning-actuating loop in resource-constrained WSANs through distributed symbolic processing
2015
Many issues in creating complex applications for pervasive environments are primarily due to the effort required to integrate perception, reasoning and actuating tasks in an efficient and homogeneous way, especially when the underlying infrastructure consists of wirelessly networked embedded devices. To mitigate the complexity of the actual implementation, satisfactory programming paradigms supporting the integration and coordination among heterogeneous devices are required. In this paper we show how a distributed symbolic processing approach that is particularly suited for resource constrained devices, such as the nodes of a Wireless Sensor and Actuator Network (WSAN), may be apt to the pu…