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Title: 高齢者に対する尿道内ステント留置術の経験
Other Titles: Experience with polyurethane intraurethral stents in aged patients
Authors: 辻本, 幸夫  KAKEN_name
善本, 哲郎  KAKEN_name
Author's alias: Tsujimoto, Yukio
Yoshimoto, Tetsuro
Keywords: Urethral stent
Polyurethane stent
Aged patients
Issue Date: Jun-1993
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要
Volume: 39
Issue: 6
Start page: 533
End page: 539
Abstract: 1)アンジオメッド社製ダブルマレコットタイプの16F尿道内ステント(IUC)を,閉塞性前立腺症に罹患する24例に装着し16例に排尿障害を軽減できた。2)IUCを装着の上下安定膀胱に基づく症状を軽減するため抗コリン剤を投与しても尿閉は生じなかった。3)IUC装着直後や膿尿を示した症例に対する抗生剤の投与により尿路感染は3例に認めたのみである。4)IUC装着の非適応症例は,前立腺癌患者で出血や結石付着のためバルンカテーテル留置が困難である症例,前立腺肥大の著明でない症例,低活動膀胱を示す症例である。5)IUCの交換期間は110日~120日が望ましい
A double Malecot-like 16F, polyurethane intraurethral catheter (IUC) was inserted 39 times in 25 patients between 68 and 91 years old (mean +/- SD: 77.5 +/- 5.5 years). Most of them were unfit for surgery because of severe illness or advanced age. All patients except 1 had either an indwelling catheter or a residual urine volume > 50ml at their first visit. The remaining one suffered from prostatic cancer and complained of pollakisuria and urinary incontinence. His symptoms were controlled well after ICU insertion and anticholinergic therapy. Twenty-nine insertions in 17 patients were considered successful, and the patients with successfully inserted stents voided without residual urine. Nine of 21 patients needed to take anticholinergic drugs. The mean duration of IUC use was 113 days in successful cases. In 9 out of 17 patients with an indwelling IUC for more than 112 days, the catheter became blocked by stones or clots. Therefore, we consider that the device should be changed after 110-120 days. Ten insertions failed for the following reasons: malposition, inappropriate IUC length, spontaneous migration to the bladder in patients with a short prostatic urethra, urinary retention due to underactive detrusor, and total incontinence and bleeding from prostatic cancer.
PubMed ID: 7687814
Appears in Collections:Vol.39 No.6

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