Archive for the ‘researches 5’ Category
Sunday, June 29th, 2008
Monitoring of glomerulonephritis.
In addition to the standard biochemical measures we need better methods for monitoring of glomerulonephritides. A variety of new tests are now available. One has to be selective in one\'s choice. Attention has to be paid to means of assessing interstitial fibrosis and ...
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Sunday, June 29th, 2008
The role of plasmapheresis in the treatment of severe lupus nephritis: a case report.
There is still controversy about the efficacy of plasma exchange in the treatment of severe lupus nephritis. Some studies have reported no beneficial effect with plasma exchange, while others claim its usefulness ...
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Sunday, June 29th, 2008
Once Weekly Low Dose Subcutaneous Erythropoietin: An Economic Solution for the Management of Anemia of End-stage Renal Disease.
Forty patients with end-stage renal disease on maintenance hemodialysis were categorized into three groups depending upon the route of administration of erythropoietin (EPO). Eighteen of these patients received ...
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Sunday, June 29th, 2008
Grafts for hemodialysis access: results and complications.
Vascular access for hemodialysis has taxed the ingenuity of surgeons for a long time. Although the Brescia-Cimino arteriovenous fistula has become the principal access, usage of grafts become necessary when suitable artery and vein are not available for making ...
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Sunday, June 29th, 2008
Malignancy in renal transplant recipients at king hussein medical center.
The files of 181 patients who underwent kidney transplantation at King Hussein Medical Center between 1983 and 1992 were reviewed to study the incidence and pattern of malignancy in them. Of them, 149 patients (82.3%) were ...
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Sunday, June 29th, 2008
Nephrolithiasis in children and adolescents in the South Western region of saudi arabia.
We reviewed 71 cases of children and adolescents with nephrolithiasis over a 9 year period (1982-1991). The mean age was 12.3 years. The male: female ratio was 2.5:1. Twelve patients (16.9%) had bilateral ...
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Sunday, June 29th, 2008
Pharmacological approach to therapy of glomerulonephritis.
Since glomerulonephritis is a typical inflammation, we are approaching the time when inhibitors of the mediators of inflammation will be used to modify the course of nephritides. In this category are thromboxane synthetase inhibitors and thromboxane antagonists as well as ...
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Sunday, June 29th, 2008
Dialysis and transplantation in Sudan.
In this report we present the current status of the renal replacement therapy in Sudan. Sudan is a large country with 30 million inhabitants. Peritoneal Dialysis was started in 1968, while hemodialysis was started in 1973. At present, there are only ...
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Sunday, June 29th, 2008
Ureterolithiasis in a Renal Transplant Patient Secondary to Encrustation about a Suture Line.
A renal transplant recipient presented with abdominal pain and anuria secondary to multiple radio-opaque obstructing calculi. A ureteroscopy with ultrasonic disintegration was done, and the fragments were spontaneously passed later. The calculi had ...
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Sunday, June 29th, 2008
Intestinal obstruction as a complication of continuous ambulatory peritoneal dialysis: a case report.
Continuous ambulatory peritoneal dialysis (CAPD) has gained in popularity in recent years as a mode of renal replacement therapy. We report a 23 year old patient who was initiated on CAPD using curley ...
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Sunday, June 29th, 2008
Use of Erythropoietin in the Correction of Anemia in Pre-dialysis Patients.
Anemia is a well recognized complication of chronic renal failure (CRF). Although the use of erythropoietin (EPO) in the treatment of anemia in patients on dialysis is well established, its use in pre-dialysis patients is ...
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Sunday, June 29th, 2008
Rhabdomyolysis and acute renal failure in head injury patients.
Rhabdomyolysis is a known complication of crush injuries, but is not known to complicate the course of the patients with head injuries without other apparent skeletal muscle injuries. The frequency of renal failure may be high in ...
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Sunday, June 29th, 2008
Causes of chronic renal failure in children in a single hospital in jordan: a 10 years retrospective study.
Case records of patients aged 13 years or below with chronic renal failure (CRF), seen during the last 10 years at the King Hussein Medical Center, Amman, Jordan ...
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Sunday, June 29th, 2008
Poisoning with hair-dye containing paraphenylene diamine: ten years experience.
Hair-dye containing paraphenylene diamine (PPD) is widely used and this compound is known to be toxic, when ingested, to several organs including the kidney. In this study, we reviewed 150 cases presenting to Khartoum Teaching Hospital with ...
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Sunday, June 29th, 2008
The incidence of end-stage renal disease in two regions of kingdom of saudi arabia.
Maintaining patients with end-stage renal disease (ESRD) on renal replacement therapy is expensive and it is important to increase efforts towards reducing the incidence of ESRD. For this, a sound knowledge of ...
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Sunday, June 29th, 2008
The impact of catheter design on preventing CAPD complications.
Continuous ambulatory peritoneal dialysis has become a practical and safe mode of therapy for patients with end-stage renal disease. The creation of a durable, safe and efficient peritoneal access has been made possible through refinements in catheter ...
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Sunday, June 29th, 2008
Incidence of end-stage renal disease: magnitude of the problem and its implications.
Data on incidence and prevalence rates of end-stage renal disease (ESRD) from selected countries including Saudi Arabia are provided. Current data from this country suggest that the incidence of treated ESRD (t-ESRD) in the ...
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Sunday, June 29th, 2008
An adaptive gaze stabilization controller inspired by the vestibulo-ocular reflex.
The vestibulo-ocular reflex stabilizes vision in many vertebrates. It integrates inertial and visual information to drive the eyes in the opposite direction to head movement and thereby stabilizes the image on the retina. Its adaptive nature ...
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Sunday, June 29th, 2008
Extracting textural features from tactile sensors.
This paper describes an experiment to quantify texture using an artificial finger equipped with a microphone to detect frictional sound. Using a microphone to record tribological data is a biologically inspired approach that emulates the Pacinian corpuscle. Artificial surfaces were ...
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Sunday, June 29th, 2008
Projection-based motion compensation for gated coronary artery reconstruction from rotational x-ray angiograms.
Three-dimensional reconstruction of coronary arteries can be performed during x-ray-guided interventions by gated reconstruction from a rotational coronary angiography sequence. Due to imperfect gating and cardiac or breathing motion, the heart\'s motion state might ...
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Sunday, June 29th, 2008
An optimization-based method for geometrical calibration in cone-beam CT without dedicated phantoms.
In this paper we present a new method for the determination of geometrical misalignments in cone-beam CT scanners, from the analysis of the projection data of a generic object. No a priori knowledge of ...
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Sunday, June 29th, 2008
A 3D pencil-beam-based superposition algorithm for photon dose calculation in heterogeneous media.
In this work, a novel three-dimensional superposition algorithm for photon dose calculation is presented. The dose calculation is performed as a superposition of pencil beams, which are modified based on tissue electron densities. The ...
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Sunday, June 29th, 2008
Weighted filtered backprojection for quantitative fluorescence optical projection tomography.
Reconstructing images from a set of fluorescence optical projection tomography (OPT) projections is a relatively new problem. Several physical aspects of fluorescence OPT necessitate a different treatment of the inverse problem to that required for non-fluorescence tomography. ...
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Sunday, June 29th, 2008
Adaptive wavelet EMG compression based on local optimization of filter banks.
This paper presents an adaptive wavelet technique for compression of surface electromyographic signals. The technique employs an optimization algorithm to adjust the wavelet filter bank in order to minimize the distortion of the compressed signal. ...
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Sunday, June 29th, 2008
Reduced short-term complexity of heart rate and blood pressure dynamics in patients with diabetes mellitus type 1: multiscale entropy analysis.
Multiscale entropy (MSE) analysis provides information about complexity on various time scales. The aim of this study was to test whether MSE is able to detect ...
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