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PubMed1993

Transurethral radio frequency thermotherapy for symptomatic benign prostatic hyperplasia.

A total of 90 patients with symptomatic benign prostatic hyperplasia (BPH) were treated with transurethral radio frequency thermotherapy. The treatment consisted of one 180-min session at 48 degrees C. All patients were evaluated before treatment and 80 (10 with urinary retention) were reevaluated at 3 months for follow-up. The analysis of the results of this group of patients is the subject of this presentation. Results were defined according to the variation in three parameters: nocturia, symptomatic score (Madsen) and urinary peak flow. Improvement (defined as a change of 50% or more in any of the three measured parameters) was found in 78% of the patients. Improvement in all of the above-mentioned parameters was found in 34.08% of the patients. In 29.82% of the patients improvement was found in two parameters and 14.02% of the patients improvement was found in one parameter and none in 21.30%. The percent variations in each parameter before and after treatment were: nocturia and symptom score decreased by 33.33% and 50%, respectively, and urinary peak flow increased by 33.65%. Age was the most important predictive factor. Of the patients under 65 years of age, 85% showed very good and good results. In comparison, only 42% of the patients over 65 years showed similar results. Immediate complications were 4 cases of acute urinary retention (5.71%) and 4 cases of urinary infection (5.71%). Transurethral radio frequency thermotherapy, having a low toxicity and complication rate, has comparable results to other nonsurgical treatment modalities. It is a viable alternative treatment for symptomatic BPH.(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗

PubMed1989

Late-onset cystic hygromas: the role of CT.

Cystic hygromas usually present in the first two years of life. We report a retrospective study of nine patients who first presented with neck and mediastinal masses after two years of age. The clinical evaluation of size, margins, and presence of respiratory symptoms can be used to select those requiring preoperative computed tomography. The five patients who had this examination all demonstrated mediastinal or axillary involvement. Patients in this older subset appear to be different from those presenting as infants because of the incidence of extension and the frequency with which disease is found outside of the posterior triangle.

Adolescent↗

PubMed1984

Cardiac pacemaker leads--a radiographic perspective.

To comment on the adequacy of positioning of single- or dual-chambered pacemaker leads requires some knowledge of the type of electrode used. Earlier leads relied upon force transmitted along the body of the lead to the electrode-myocardial interface to maintain positioning. These relatively large stiff leads were placed almost exclusively near the apex of the right ventricle to prevent dislodgement. More recent leads incorporate mechanical fixation devices to maintain position, commonly either tined or screw-in electrodes (or variations of these) representing passive and active fixation mechanisms respectively. The tines are not radiopaque; the screw-in devices are metallic. Such newer electrodes permit the use of smaller, more flexible leads, reduce the necessity for precise positioning, and reduce the frequency of lead dislodgement.

Adult↗