男性の急性尿閉：どうして私が？

最終更新日： 2026年5月18日

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One of a Urologic emergency condition that we are going to discuss today is an acute urinary retention. The condition is most prevalent and common in male patient rather than the female. So the topic wills mainly focusing on the acute urinary retention in male patients. Typically, it happens in older gentleman who over 60 years and they were the most often group that realized and faced the condition of symptom. The following risks factors below shall have considered while the patients suffering from it;

尿閉の危険因子

1. 良性前立腺肥大症－老年男性が避けて通れない最も多くみられる危険因子として、前立腺肥大があります。一般的に、50歳以上の男性は徐々に尿の勢いが弱まりますが、泌尿器科医による適切な治療は来るべき将来の尿閉の発症リスクを最小限に抑えることが可能です。
2. Urethral stricture – Having history of urethral infection, STDs or Endoscopic urological procedure might induce a urethral scarring process which will makes urethral lumen narrowing and finally obstructed.

3. Urethral stone – A rare condition which is occurred by urinary tract stone occluded inside the urethral lumen and that would need an emergency evacuation.

4. 感染症－膀胱感染症、前立腺感染症や尿道感染症などは、感染患部で重症炎症となり結果的に急性尿閉を引き起こします。

5. Medications – Certain medications can interfere with bladder function. When the causative drug is stopped, acute urinary retention typically resolves.

6. Constipation – Stool compacted in the rectum can compress the urethra and obstruct urinary flow, making constipation a surprisingly common and easily correctable cause of urinary retention.

7. Limited ambulation – The bladder is controlled by the brain, which typically allows voiding in a quiet, standing position. Patients confined to bed often struggle to urinate and can improve simply by being encouraged to walk and stand.

8. Neurological causes – A complicated condition that should be needed more carefully assessment by Urologist.
9. Bladder dysfunction – Another rare bladder condition which cannot contract well and end up with full bladder.

An urgent management which we had always performed is the bladder decompression with urethral catheter or suprapubic tube insertion to release a large amount of the urines from the bladder before it becomes rupture. Then the certain treatment will be depended and done by a well-trained Urologist. Patient must be educated about plan of the treatment and the possibility causes of the retention. A few complications after draining a large volume of urine, such as hematuria, should be explained to the patient in advance to prevent unnecessary alarm.

ご不明な点がございましたら、お気軽にご相談ください 私.

If you or a loved one has experienced acute urinary retention or suspect BPH with worsening urinary symptoms, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. 診療をご予約.

Frequently Asked Questions about Acute Urinary Retention in Men

**免責事項:** このコンテンツは、バンコク病院本部の認定泌尿器科医であるSoarawee Weerasopone博士によって作成およびレビューされました。教育目的のみのものであり、医学的アドバイスを構成するものではありません。いかなる医療処置を開始する前にも、必ず資格のある医療専門家にご相談ください。.