持続性黄色ブドウ球菌菌血症の原因としての前立腺膿瘍
Valeria Ferrando-Mérida1, Marina Machado2, Carmen Cuenca3
1Clinical Microbiology and Infectious Disease Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.
Enfermedades infecciosas y microbiologia clinica (English ed.)
|January 15, 2026
まとめ
前立腺膿瘍は持続性黄色ブドウ球菌菌血症(SAB)の原因となる可能性があります。早期診断と治療、すなわち外科的ドレナージと抗生物質の使用は、SABを解決し、患者の転帰を改善するための鍵となります。
科学分野:
- 感染症
- 泌尿器科学
- 内科学
背景:
- 持続性黄色ブドウ球菌菌血症(SAB)は高い死亡リスクを伴う。
- SABの管理には感染源の特定が不可欠である。
- 前立腺膿瘍は、特に泌尿器系の問題を抱える男性において、持続性SABの認識されていない原因である。
研究 の 目的:
- 持続性黄色ブドウ球菌菌血症(SAB)の潜在的な原因としての前立腺膿瘍を強調すること。
- 原因不明の持続性SABの鑑別診断において前立腺膿瘍を考慮することの重要性を強調すること。
主な方法:
- 持続性メチシリン感受性黄色ブドウ球菌(MSSA)菌血症の2例の提示。
- 初期評価で原因が特定できなかった後の、前立腺膿瘍の診断。
- 治療には、膿瘍の経尿道ドレナージと長期の抗生物質療法が含まれた。
主要な成果:
- 両患者とも、複合治療後の菌血症の完全な治癒。
- 感染源のコントロールと適切な抗菌薬管理による良好な臨床転帰。
- 前立腺膿瘍関連SABに対する外科的ドレナージと抗生物質療法の有効性を示す。
結論:
- 持続性SAB、特に尿路症状または危険因子のある患者では、前立腺膿瘍を考慮する必要がある。
- 迅速な診断と、外科的ドレナージを含む感染源のコントロールは、治療の成功に不可欠である。
- 抗生物質と膿瘍ドレナージの統合管理は、前立腺膿瘍による持続性SABの臨床的治癒につながる。
関連する概念動画
Urinary Tract Infection II: Pathophysiology
570
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
570
Acute Pyelonephritis II: Diagnostic Studies and Management
321
Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
321
Acute Pyelonephritis I: Introduction
501
Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
501
Urine Studies II: Urine Culture and Sensitivity Test
879
A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
879
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
253
A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
253
Urinary Tract Infection I: Introduction
542
Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
542


