The diagnosis of urinary tract infection (UTI) relies on urine culture tests to identify aerobic or anaerobic urinary tract pathogens. This method has limitations in identifying anaerobic bacteria, and there is uncertainty in identifying all bacteria. A new next-generation sequencing (NGS) method has gradually helped overcome these limitations, and the microorganisms present in the human urinary tract are gradually being revealed. This review introduces studies on the microbiome analyzed using NGS of urine from patients with acute cystitis and recurrent UTIs and discusses whether NGS may reveal the pathophysiology of the disease.
In spite of a high cure rate, cystitis is a common disease in women that often recurs within a year. The uncomfortable symptoms associated with recurrent cystitis affect the quality of life and overall daily life. However, the awareness pertaining to the treatment or prevention of recurrent cystitis has remained the same. Physicians and patients are unaware that recurrent cystitis can lead to several problems, such as socioeconomic burden and antibiotic abuse. Therefore, there is a requirement to enhance awareness of the socio-economic burden of recurrent cystitis, the effects on the quality of life of patients, and the importance of prevention and management after treatment.
Purpose: This study examined whether Cystochon® (cranberry extract, chondroitin sulfate, and hyaluronic acid complex) effectively improves the symptoms and problems of interstitial cystitis/bladder pain syndrome (IC/BPS) patients. Materials and Methods: From December 2021 to May 2022, the medical records of IC/BPS patients who visited St. Vincent’s Hospital, Kyung Hee University Medical Center, or Gachon University Gil Medical Center were collected. For the treatment of IC/BPS, the patients were given pentosan polysulfate (PPS) for 12 weeks, with Cystochon® then added and maintained for an additional eight weeks. The OʼLeary–Sant symptom and problem index (Interstitial Cystitis Symptom Index [ICSI], Interstitial Cystitis Problem Index [ICPI]) was used to measure the treatment response. Results: After 12 weeks of PPS treatment, ICSI and ICPI improved in all patients. After adding Cystochon® for eight weeks, the ICSI and ICPI indicators improved further. In the ICSI category, significant improvement in symptoms was confirmed in the total ICSI score, particularly in the Q4 (pain-related) questionnaire after adding Cystochon®. In the ICPI category, significant problem improvement was confirmed in the total ICPI score, particularly in the Q1 (frequent urination) and Q4 (pain-related) questionnaires. Although not statistically significant, the remaining indicators generally tended to improve. Conclusions: The orally administered combination of cranberry extract, chondroitin sulfate, and hyaluronic acid (Cystochon®) may have a clinically positive effect in patients with IC/BPS. Better clinical improvement can be expected when it is added to the PPS treatment, especially in the category of bladder pain.
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