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PURPOSE The efficacy of shock wave lithotripsy and percutaneous stone removal for the treatment of symptomatic lower pole renal calculi was determined. MATERIALS AND METHODS A prospective randomized, multicenter clinical trial was performed comparing shock wave lithotripsy and percutaneous stone removal for symptomatic lower pole only renal calculi 30 mm.(More)
One hundred and four (70%) of the first 148 patients who underwent extracorporeal shock-wave lithotripsy (ESWL) at the University of Florida were evaluated for persistent or recurrent renal stone disease. Radiographs obtained 3-21 months after treatment showed that 53 (50%) of 106 treated kidneys were free of stones. In 48 of the 53 kidneys that contained(More)
Of 148 patients who had extracorporeal shock-wave lithotripsy (ESWL) for renal lithiasis in 1984, 21 (14%) returned after 17-21 months for renal function tests (21 patients) and blood pressure determination (20 patients). Quantitative radionuclide renography showed a statistically significant (p = .048) decrease in the percentage of effective renal plasma(More)
The introduction of extracorporeal shock wave lithotripsy (ESWL) has provided an avenue for dealing with many urinary stones noninvasively. The margin of safety for the kidney during shock wave administration is largely undefined. A pilot study was performed where six kidneys in five female mongrel dogs were shocked. Group A kidneys were given 1,776, 4,500,(More)
We assessed the physical activity level, smoking habits, alcohol consumption, ponderosity, and plasma lipid profiles of 688 middle-aged male reserve officers. When adjusting for Body Mass Index (BMI), individuals who reported physical activity of three or more times per week had significantly higher levels of high density lipoprotein cholesterol (HDL-C),(More)
Using the Dornier HM-3 lithotriptor, 10 patients (11 renal units) with calculi in horseshoe kidneys were treated with extracorporeal shock-wave lithotripsy (ESWL) and ancillary procedures. Six renal units (55%) underwent pre-ESWL manipulation consisting of a Double J stent, ureteral catheter, or percutaneous nephrostomy. The "blast path" was employed to(More)
Computer networks and computer systems are experiencing attacks and threats from many areas. Threats are also extended to include the individual user's computer assets and resources. Information will be presented on the categories of security and privacy threats, integrity threats, vulnerabilities, delay and denial threats, and intellectual property threats(More)
OBJECTIVES Significant obesity is considered to be a relative contraindication to laparoscopic surgery. This study reviews the complications encountered in massively obese patients undergoing urologic laparoscopic surgery. METHODS Body mass index (BMI) was used as an objective index to indicate massive obesity. Eleven institutions compiled retrospective(More)
A mechanical linkage device was used to measure the three-dimensional position of the fingertip during a postural task. Thirty patients with essential tremor were tested simultaneously with the device, uniaxial accelerometry, and clinical tremor measures. Eighteen patients were tested again 16+/-4 days later. The device accurately recorded the(More)
The ex-filtration of confidential information across communication networks is a challenging problem. It is possible for transmissions to be hidden or masked in such a way to circumvent the security policies of an organization. An objective might be to make contacts "invisible" to all parties except designates. This can take the form of a covert channel(More)