SYMPTOMS AND INFLAMMATION IN CHRONIC
PROSTATITIS/CHRONIC PELVIC PAIN SYNDROME
JOHN N. KRIEGER, SUSAN O. ROSS, DAVID F. PENSON, AND DONALD E. RILEY
ABSTRACT
Objectives. To evaluate the possibility that patients with inflammatory and noninflammatory chronic
prostatitis/chronic pelvic pain syndrome (CP/CPPS) might present with different symptoms. Patients with
CP/CPPS present with characteristic symptoms without bacteriuria. The new National Institutes of Health
consensus suggests that CP/CPPS can be divided into inflammatory and noninflammatory categories.
Methods. Standardized symptom surveys were completed by 130 subjects who met the criteria for
CP/CPPS after clinical examination and urethral, urine, expressed prostatic secretion (EPS), and seminal fluid
analysis evaluations.
Results. When classified by either EPS or postprostatic massage urine (VB3) findings, subjects with and
without inflammation had similar symptoms. However, when classified using the combination of EPS, VB3,
and seminal fluid analysis, subjects with inflammatory CP/CPPS had more severe (P 0.02) and more
frequent symptoms, in particular, difficulty reaching erection (P 0.01), weak urinary stream (P 0.01),
urinary frequency (P = 0.03), and penile pain (P = 0.04).
Conclusions. The increased severity and frequency of symptoms among patients with inflammatory CP/
CPPS provide empirical support for the new consensus classification on the basis of the combination of EPS,
VB3, and seminal fluid analysis findings. UROLOGY 60: 959–963, 2002. © 2002, Elsevier Science Inc.
T
he traditional classification of prostatitis em-
phasized the evaluation of expressed prostatic
secretions (EPS) and postprostatic massage urine
(VB3).
1,2
Patients with bacteriuria who had a 10-
fold increase in the same uropathogens in EPS or
VB3 were considered to have chronic bacterial
prostatitis
3
and were treated with antimicrobial
agents.
4
Patients without bacteriuria who had EPS
leukocytes (WBCs) had nonbacterial prostatitis;
those without WBCs had prostatodynia.
1
Nonbac-
terial prostatitis was believed to reflect an organic
abnormality, perhaps a cryptic infection, an immu-
nologic disorder, or a voiding disturbance.
3
Pros-
tatodynia was thought to reflect “disorders in sex-
ual identification” or a “primary personality
disturbance.”
3
After 30 years of investigation, no
clinical difference was demonstrated between pa-
tients with and without EPS inflammation.
The new National Institutes of Health (NIH)
classification recommends the evaluation of the
seminal fluid analysis (SFA) in addition to EPS and
VB3.
5
Patients without bacteriuria or urethritis are
considered to have inflammatory CP/CPPS if they
have WBCs in their EPS, VB3, or SFA. Patients
without WBCs in any specimen had noninflamma-
tory CP/CPPS.
The question is whether this distinction is im-
portant clinically. One possibility is that patients
with inflammatory and noninflammatory CP/CPPS
present with different symptoms. To examine this
possibility, we used a broad approach in a carefully
defined population.
MATERIAL AND METHODS
POPULATION AND CLINICAL EVALUATION
The subjects were older than 18 years with symptoms for 3
months or longer. None had taken antimicrobial agents for 6
weeks or more and none had bacteriuria. After a standardized
history and physical examination, urethral swabs were ob-
tained for gram staining and cultures for Neisseria gonor-
rhoeae, Chlamydia trachomatis, Ureaplasma urealyticum, My-
coplasma hominis,
6
and Trichomonas vaginalis.
7
Patients had
microscopy and cultures of first-voided urine, mid-stream
This study was partially supported by grant RO1 DK38955 from
the National Institutes of Health.
From the Department of Urology, School of Medicine and De-
partment of Pathobiology, School of Public Health and Commu-
nity Medicine, University of Washington, Seattle, Washington
Reprint requests: John N. Krieger, M.D., Urology Section, 112-
GU, Veterans Affairs Puget Sound Health Care System, 1660
South Columbian Way, University of Washington Campus Mail
Box 358280, Seattle, WA 98108-1597
Submitted: April 12, 2002, accepted (with revisions): July 18,
2002
ADULT UROLOGY
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