CASE REPORT EMPHYSEMATOUS CYSTITIS: CASE REPORT AND REVIEW OF LITERATURE Altaf Khan

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CASE REPORT
EMPHYSEMATOUS CYSTITIS: CASE REPORT AND REVIEW OF LITERATURE
Altaf Khan1
HOW TO CITE THIS ARTICLE:
Altaf Khan. “Emphysematous cystitis: case report and review of literature”. Journal of Evolution of Medical and
Dental Sciences 2013; Vol. 2, Issue 41, October 14; Page: 7882-7886.
ABSTRACT: Background: Emphysematous cystitis is defined by the presence of gas in the urinary
bladder wall in the absence of previous instrumentation or surgery or diverticular diseases of colon
or malignancies. It complicates urinary tract infections especially in diabetic patients. AIMS: We
report a case of 65yr old, poorly controlled, diabetic male who presented with dysuria, fever and
hematuria and was incidentally found to have Klebsiella pneumoniae emphysematous cystitis that
resolved with antibiotic treatment and bladder drainage. METHODS AND RESULTS: A 65-year-old
man was admitted to the emergency department with retention of urine. There was history of fever
since 2 days. There was no history of previous retention of urine. An ultrasound examination of
abdomen and pelvis showed gas in the bladder which was confirmed by computed tomography (CT),
which demonstrated intramural gas in the urinary bladder, which suggested a diagnosis of
emphysematous cystitis. The treatment was based on an antibiotics associated with a bladder
drainage. CONCLUSION: Every diabetic patient with a urinary tract infection who seems to be
severely ill should have an abdominal X-ray or CT scan as a minimal screening tool to detect
emphysematous complications.
KEY WORDS: emphysematous, cystitis, urinary tract infection.
INTRODUCTION: Emphysematous cystitis, described for the first time by Keyes in 18821, is an
uncommon but severe infection of the bladder characterized by gas within the wall and the lumen of
the bladder. The condition is seen most commonly in patients with hyperglycemia, the organism
recovered from the urine usually being Escherichia coli or Enterobacter aerogenes. There should not
be any history of previous urinary tract surgeries or instrumentation or and colorectal malignancies
or diverticular diseases. The diagnosis of emphysematous cystitis is more often radiographic. CT is a
highly sensitive imaging modality used in the detection of intraluminal or intramural gas2 which
forms the radiologic basis of the diagnosis. Early management is essential and includes bladder
drainage, intravenous antibiotics and Diabetes stabilization.
CASE REPORT: A 65 year old diabetic male patient who has been on oral antidiabetic medications
irregularly for 12 years presented with retention of urine to the emergency department. There was
no previous history of retention of urine. He had lower urinary tract symptoms in form of urgency
and frequency for the past 15days. On examination, the patient was conscious, oriented, the
temperature was 39.0C° with a pulse of 96beats per minute. He had a distended bladder. Cardiac,
pulmonary and neurological examinations were unremarkable. Digital rectal examination revealed a
non tender enlarged prostate. The laboratory test showed a haemoglobin of 11g/dl, leucocytosis
(13,500cells/cumm), random blood sugar 308mg/dl, creatinine of 2.0mg/dl with normal renal and
liver functions and serum electrolytes. His glycemic control had remained poor previously.
Abdominal ultrasonography revealed a distended urinary bladder with about one litre of urine with
Journal of Evolution of Medical and Dental Sciences/ Volume 2/ Issue 41/ October 14, 2013
Page 7882
CASE REPORT
gas. X-ray of pelvis showed gas in urinary bladder wall (Fig. 1). A CT scan delineated a distended
bladder with circumferential intramural air and intravesical air-fluid level (Fig.2).
A Foleys catheter was inserted and the urine obtained was turbid and haematic. We also
noted pneumaturia, and the urine was sent for culture & sensitivity. The patient was empirically
started on Ceftriaxone and metronidazole along with insulin. The urine C/S revealed growth of a
highly resistant Klebsiella pneumoniae sensitive to only gentamicin/amikacin. Since his renal
functions were altered we didn’t start him on any of those drugs. His diabetes was stabilized and the
condition improved. The Foleys catheter was removed after 21 days and patient voided without any
hesitancy and post void urine was insignificant.
DISCUSSION: Emphysematous cystitis is a rare entity characterized by pockets of gas in and around
the bladder wall produced by bacterial or fungal fermentation3, 4, mostly in the patients in their late
fifties. It is twice as frequent in women as in men4. Patients may complain of irritative symptoms,
abdominal discomfort or pneumaturia. A history of pneumaturia is highly suggestive, but is rarely
offered by the patient. As occurred in our case and in a number of cases in the literature, the clinical
features were inconclusive or actually unhelpful 5-8.
The radiographic findings provide the first and only diagnostic clue. Ultrasound appearance
is of echogenic air within the bladder wall with dirty shadowing artifact. Bladder wall will be
diffusely thickened with increased echogenicity. In plain X-Ray Erect view curvilinear shadow in
bladder area will be separate from more posterior rectal gas (cobble stone or beaded necklace
appearance). Lateral decubitus view occasionally required. Intraluminal gas will be seen as air fluid
level that changes with patient position 4.
It occurs mainly in the elderly with poorly controlled diabetes. Other predisposing factors
include the presence of a post-micturition residue or chronic retention (neurogenic bladder,
diabetic, prostatic or urethral obstacle), presence of renal transplantation, renal infarction, systemic
lupus, immunodepression due to long-term corticotherapy or immunosuppressors such as
cyclophosphamide well-known for their vesical toxicity9-12, the occurrence of postoperative
emphysematous cystitis following endoscopic urologic procedures or colic surgery have been
reported in the literature13. Therefore, in susceptible patients, with the above risk factors along
with signs and symptoms of urinary tract infection, the index of suspicion for this entity should be
high. The most common organism is E. coli 5, but other organisms reported to produce
emphysematous cystitis include Enterobacter aerogenes, Klebsiella pneumonia, Proteus mirabilis,
Staphylococcus aureus, streptococci and Clostridium perfringens 14. Cases with emphysematous
cystitis due to candida albicans have also been reported15.The mechanism by which gas appears in
the wall of the bladder may involve either transluminal dissection of gas or true infection of the
bladder wall with pathogens.
Diagnostic entities associated with gas in the genitourinary tract include emphysematous
pyelonephritis, emphysematous pyelitis, and gas-forming renal abcess. Patients with
emphysematous cystitis are not as acutely ill as those with pyelonephritis or pyelitis. Abdominopelvic CT scan can further delineate the extent of disease. CT scan also helps to evaluate bladder
lumen, bladder wall, peritoneal cavity, retroperitoneal space, pleural effusions and presence of
ascites fluid.
Journal of Evolution of Medical and Dental Sciences/ Volume 2/ Issue 41/ October 14, 2013
Page 7883
CASE REPORT
It is important to differentiate emphysematous cystitis from emphysematous pyelonephritis,
in which gas involves the renal parenchyma, since the latter has an increased mortality and
generally requires nephrectomy. In contrast surgical intervention is rarely needed in
emphysematous cystitis except when an anatomical abnormality like an obstruction or stone is
present16. Cystoscopy may be required to evaluate bladder outlet obstruction if the patient is not
voiding. Findings include thin walled sub mucosal vesicles with purulent fluid, debris and clots. Even
with complete bladder mucosal sloughing bladder can regenerate completely. Gentle maneuvering
of cystoscope is important to avoid perforation of thin walled bladder.
The source of this gas within the urinary tract is from infection, trauma, vesico-enteric
fistulas from radiation therapy, rectal carcinoma, diverticular disease or Crohn's disease and
iatrogenic causes, such as diagnostic or surgical instrumentation. Carbon dioxide (CO2) is the gas
found in the vesical wall. It results from the bacterial lucid fermentation and testifies to bacterial
breathing in anaerobiosis. CO2 producing germs attack not only the glucose that is present in the
urine of the diabetics, which causes air to appear in the bladder cavity, but also the glucose
contained in the bladder parietal cells, which causes CO2 bubbles to appear inside the very vesical
wall.
History, physical exam and imaging are the best modalities to differentiate the above
etiologic causes. Fistulous tracts abscess, can be excluded on CT scan.
Emphysematous cystitis requires aggressive treatment with parenteral antibiotics and
bladder drainage17. Delayed diagnosis may lead to unfavorable outcomes including overwhelming
infection, extension to ureters and renal parenchyma, bladder rupture18 and death. Improved
outcomes may be achieved by early recognition of the infection, by clinical and radiological
assessment, and by appropriate antibiotic therapy.
Follow up CT scan is required when there is clinical deterioration which can reveal necrosis
of the bladder wall and peritonitis which requires surgical intervention like partial cystectomy, total
cystectomy or surgical debridement. Overall death rate is 7% which increases to 50% when
perivesicular gas migrates into upper tract. Nutritional status, bed sores, ambulation should also be
addressed when the patient is bedridden due to overwhelming infection.
CONCLUSION: Emphysematous cystitis most often is not diagnosed by routine or systematic
approach. It is a rare entity, detected on imaging, and the physician should be cautious, tailor the
diagnostic approach to individual patients based on the suspicion, available clinical and radiological
data, and consider emphysematous cystitis in the differential diagnosis of hematuria in a patient
with known risk factors.
REFERENCES:
1. Keyes EL. Pneumaturia. Med News.1882; 14: 675-678.
2. Grayson DE, Abbott RM, Levy AD, Sherman PM. Emphysematous infections of abdomen and
pelvis: a pictorial review. Radio-graphics 2002; 22: 543-561.
3. Quint HJ, Drach GW, Rappaport WD, Hoffmann CJ. Emphysematous cystitis: a review of the
spectrum of disease. J Urol. 1992; 147:134–137.
4. Bailey H. Cystitis emphysematosa: 19 cases with intraluminal and interstitial collections of
gas. Am J Roentgenol Radium Ther Nucl Med. 1961; 86:850–862.
Journal of Evolution of Medical and Dental Sciences/ Volume 2/ Issue 41/ October 14, 2013
Page 7884
CASE REPORT
5. Barkia A, Larbi N, Mnif A, Chebil M, Ayed M. Cystite emphysémateuse: à propos de 2 cas Prog
Urol. 1997; 7:468-470.
6. Bracq A, Fourmarier M, Bourgninaud O. Cystite emphysémateuse compliquée de perforation
vésicale : diagnostic et traitement d’une observation rare. Prog Urol. 2004; 14:87-89.
7. Van Glabeke E, Obadia E, Dessolle L, Pallot JL, Marc F, Bacques O. Cystite emphysémateuse
compliquant une hystérectomie totale non conservatrice pour cancer de l’ovaire. Prog. Urol.
2004; 14: 221-223.
8. Raschilas F, Pierrot-Deseilligny C, Pouchot J, Sebag A, Vinceneux P. Emphysematous cystitis.
Rev Med Interne. 2004; 25:160-161.
9. Weddle J, Brunton B, Rittenhouse DR. An unusual presentation of emphysematous cystitis.
Am J Emerg Med. 1998; 16:664–6.
10. Davidson J, Pollack CV. Emphysematous cystitis presenting as painless gross hematuria. J
Emerg Med. 1995; 13:317–20.
11. Knutson T. Emphysematous cystitis. Scand J Urol Nephrol. 2003; 37:361–3.
12. Asada S, Kawasaki T. Images in clinical medicine. Emphysematous cystitis. N Engl J Med.
2003;17:258.
13. Akalin E, Hyde C, Schmitt G, Kaufman J, Hamburger RJ. Emphysematous cystitis and pyelitis
in a diabetic renal transplant recipient. Transplantation. 1996; 62:1024–1026.
14. Wayland JS, Kiviat MD. Clostridial cystitis emphysematosa. Urology. 1974; 4: 601-602.
15. Bartkowski DP, Lanesky JR. Emphysematous prostatitis and cystitis secondary to Candida
albicans. J Urol 1988;139:1063-5
16. Ankel F, Wolfson AB, Stapczynski JS. Emphysematous cystitis: a complication of urinary tract
infection occurring predominantly in diabetic women. Ann Emerg Med. 1990; 19:404–6.
17. Yasumoto R, Asakawa M, Nishisaka N. Emphysematous cystitis. Br J Urol. 1989;63:644.
18. Shin HI, Kim HH, Park CH. Emphysematous cystitis with bladder rupture. Keimyung Medical
Journal. 2011; 30:98–102.
Figure: 1: X-ray of pelvis showing gas
in the urinary bladder wall (Arrow)
Figure: 2: CT scan of the pelvis revealing gas
in the bladder and the bladder wall
Journal of Evolution of Medical and Dental Sciences/ Volume 2/ Issue 41/ October 14, 2013
Page 7885
CASE REPORT
AUTHORS:
1. Altaf Khan
PARTICULARS OF CONTRIBUTORS:
1. Assistant Professor, Department of Urology,
Yenepoya Medical College.
NAME ADDRESS EMAIL ID OF THE
CORRESPONDING AUTHOR:
Dr. Altaf Khan,
Assistant Professor in Urology,
Yenepoya Medical College,
Deralakatte, Mangalore.
Email – [email protected]
Date of Submission: 17/07/2013.
Date of Peer Review: 18/07/2013.
Date of Acceptance: 07/10/2013.
Date of Publishing: 08/10/2013
Journal of Evolution of Medical and Dental Sciences/ Volume 2/ Issue 41/ October 14, 2013
Page 7886

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