International Urology and Nephrology

, Volume 51, Issue 11, pp 1961–1967 | Cite as

A new look at the etiology of interstitial cystitis/bladder pain syndrome: extraordinary cultivations

  • Tahsin Batuhan AydoganEmail author
  • Oznur Gurpinar
  • Ozgen Koseoglu Eser
  • Begum Aydogan Mathyk
  • Ali Ergen
Urology - Original Paper



So far, studies have not clearly identified infectious agents as an etiological factor for interstitial cystitis (IC). Specific microbiological diagnosis for detecting the pathogen with higher sensitivity in IC may decrease the treatment costs and increase psychosocial health of the patients.


A prospective clinical study was performed in 26 IC patients and 20 controls between April and September 2017. All participants were asked to give mid-stream urine sample for routine urine cultures. Followed by the negative results, symptomatic 26 patients were evaluated for L-form pathogen existence by extraordinary cultivation methods. Biopsy samples were taken from 19 patients with ulcerative lesions in the bladder while collecting sterile urine samples from all 26 patients. PG broth, 5% sheep blood agar, EMB, Sabouraud’s dextrose, LEM, and GYPA were used. Followed by the 1st day inoculations, all inoculated PG broths were subcultured into the same solid media at the 2nd and 10th days in case of any growth after incubation of 24 h under 35–37 °C. The “O’Leary Sant Symptom and Problem Index” score forms were used to evaluate response to the appropriate treatment for those patients with documented pathogens.


Bacterial isolations were yielded from samples of 13 IC patients in PG broth. Eight (61.5%) P. aeruginosa, 2 (15.4%) K. pneumoniae, 2 (15.4%) C. mucifaciens, and 1 (7.7%) E. faecalis were isolated. Antibiotic susceptibility tests were performed. Somehow, the median symptom index and problem scores of those 13 IC patients were lower after the appropriate antibiotic treatment (p < 0.05).


Extraordinary mediums with longer incubation periods may reveal a causative pathogen in the etiology of IC. Future culture techniques may have some value, because still some of IC/BPS patients are describing symptomatic relief by a group of antibiotics.


L-form Interstitial cystitis Bladder pain syndrome Urine culture 



This study is supported by Hacettepe University Scientific Research Projects Coordination Unit. Project ID: TTU-2017-13216.

Compliance with ethical standards

Ethical approval

This research involves human participants and informed consent was taken from each participant.

Conflict of interest

The authors declare no conflict of interest.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of UrologyHacettepe University Faculty of MedicineAnkaraTurkey
  2. 2.Department of Clinical MicrobiologyHacettepe University Faculty of MedicineAnkaraTurkey
  3. 3.Department of Obstetrics and GynecologyTufts Medical CenterBostonUSA

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