Treatment of Perforated Diverticulitis with GeneralizedPeritonitis: Past, Present, and Future
Jefrey Vermeulen • Johan F. Lange
Published online: 6 January 2010Ó The Author(s) 2010. This article is published with open access at Springerlink.com
prevalence of perforated diverticulitis complicated by
The supposed optimal treatment of perforated
generalized peritonitis is low, its importance lies in the
diverticulitis with generalized peritonitis has changed several
significant postoperative mortality, ranging from 4–26%
times during the last century, but at present is still unclear.
regardless of selected surgical strategy
The first cases of complicated perforated
Until today the optimal treatment for perforated diver-
diverticulitis of the colon were reported in the beginning of
ticulitis has been a matter of debate. During the last dec-
the twentieth century. At that time the first therapeutic
ades, the ‘‘gold standard’’ has changed several times.
guidelines were postulated in which an initial nonresec-
Primary resection has become the standard practice, but
tional procedure was provided to be the safest plan of
fear of anastomotic leakage often deterred many surgeons
management. After many years in which resection had
from performing primary anastomosis. Therefore, for many
become standard practice, today, one century later, again
surgeons Hartmann’s procedure (HP) has remained the
(laparoscopic) nonresectional surgery is presented as a safe
favored option for these patients Nevertheless,
and promising alternative in treatment of complicated
improvements in surgical techniques, radiological inter-
perforated diverticulitis. The question rises what had hap-
vention techniques, anesthesia, advances in intensive care
medicine, and progress in the management of peritoneal
This paper includes a historic summary of
sepsis have led to an increasing interest in resection with
changing patterns in surgical strategies in perforated div-
primary anastomosis (PA) with or without diverting stoma
erticulitis complicated by generalized peritonitis.
Recently, laparoscopic lavage and drainage without
resection has been successfully used for patients who have
generalized peritonitis caused by perforated diverticulitis(PPD) ]. Because this nonresectional mini-invasive sur-
Perforation with generalized peritonitis is the most com-
gical strategy was associated with a reduction in morbidity
mon life-threatening emergency requiring surgical inter-
and mortality, it might be a promising alternative to the
vention in diverticular disease of the colon []. Whereas
standard open resectional practice ].
most people with diverticular disease remain asymptom-
This paper includes an overview of the development of
atic, approximately 15% develop symptoms, and of these
different surgical strategies in PPD through the years, and
15% will develop significant complications, such as per-
based on this overview we present our personal opinion for
foration []. In most cases perforation is the first mani-
the management of this surgical emergency.
festation of the disease Although the absolute
J. Vermeulen (&) Á J. F. LangeDepartment of Colorectal Surgery, Erasmus Medical Center,
Since the beginning of the previous century, a three-stage
Dr Molewaterplein 40, 3015 GD Rotterdam, The Netherlandse-mail: [email protected]
operation strategy was common practice for the treatment of
diverticular disease. The first report of surgical treatment for
a source of sepsis as bowel contractions continue evacu-
complicated diverticulitis was by Mayo [in 1907. The
ating infective material. Clinical observations and this new
classic three-stage operation includes an initial diverting
understanding of pathophysiology of diverticulitis led to
colostomy and drainage followed by resection of the
the conviction that the colonic perforation had to be
involved colon and, finally, a colostomy closure as the third
removed primarily , Nevertheless, controversy
stage. This nonresectional surgery strategy was reaffirmed
persisted because the ‘‘evidence’’ was only based on expert
and advocated by the experiences at the Mayo Clinic, which
opinion and some (small) noncomparative case series.
presented the results in 1924, to be the safest [
During the next two decades, indications for emergency
surgery evolved toward complicated diverticulitis, such as
Two-staged procedure with primary resection
perforation, obstruction, and fistula formation, only. Apreliminary transverse colostomy was advised in all cases
Since the 1980s and 1990s, the standard practice of PPD
in which resection was contemplated, and the period of
has definitively changed from nonresectional surgery
delay before this resection should be from 3 to 6 months
toward primary resection of the involved sigmoid. A two-
[]. The rationale for this strategy was that primary
stage operation with the initial operation being resection of
resection is too difficult in the acute stage of the disease,
the diseased segment with the construction of a colostomy
often causing iatrogenic complications and hence mortal-
proximally and suture closure of the distal rectal stump
ity. After the fecal stream was diverged by performing a
became the preferred surgical strategy in these category
transverse colostomy during the first surgical stage, drain-
patients ]. The second stage was represented by the
age of the abdomen and pelvic cavity was initiated to
colostomy closure. Among surgeons this operation has
diminish sigmoid inflammation. After several months the
been known since as Hartmann’s procedure (HP), although
second stage—resection of the involved bowel—could be
Hartmann ] himself only performed such a procedure
performed to treat and prevent relapse of the disease.
for rectum carcinoma and had advocated that the patient
Smithwick ] advocated this procedure in favor toward
should not undergo restoration of bowel continuity.
resectional operations. He reported a postoperative mor-
This change in strategy was mainly based on the results
tality after a three-stage procedure of nearby 12% com-
of two reviews published in 1980 and 1984 by Krukowski
pared with 17% if the involved colon segment was resected
and Matheson ] and Greif et al. ]. Mortality after
during initial surgery ]. Considering that antibiotics
primary resection was reported to be lower compared with
were not discovered yet, these results can be regarded as
those procedures in which the perforated segment could not
be removed at initial operation , ]. Unfortunately both
In 1945 Florey [was responsible for the development
reviews were not systematic, containing a wide range of
of penicillin for use as a medicine. Since then antibiotics
different surgical techniques and covering more than
were more frequently used during colonic surgery. Partly,
25 years during which substantial improvements in antibi-
this led toward a shift in the continuing controversy
otic and other perioperative supportive therapies has taken
between three- and two-staged operations in favor of pri-
place. Furthermore, it is not known whether the patients of
mary resection of the involved colon. Although at that time
both groups were comparable for a number of essential
Smithwick ], amongst others, still recommended the
variables, such as age, ASA classification, and Hinchey and
three-stage and initially nonresectional operation ,
Mannheim Peritonitis Index (MPI) scores.
more publications advocating primary resection in case of
Between 1993 and 2000, two randomized controlled
PPD arose –Initial improvement after colostomy
trials (RCT) assessing primary versus secondary resection
and drainage, without resection, often was followed by
were published [These RCTs drew opposite con-
severe deterioration several days later when the involved
clusions. Kronborg [concluded that three-stage nonre-
sectional surgery (suture and transverse colostomy) in PPD
Since the 1960s, combinations of antibiotics were used
was still superior to primary resection because of a lower
against gram-negative bacteria and anaerobic bacteria.
postoperative mortality rate. Mortality in Hinchey IV
Combination antibacterial therapy had shown better sur-
patients was not different in both groups. Unfortunately,
vival in septic patients ]. Unfortunately, mortality rates
the study was preliminary stopped because of low
in patients with PPD remained high. The basic cause of this
recruitment (an average of four patients each year) and
high mortality was that the source of infection remained in
hence underpowered. A total of 62 patients were included
the peritoneal cavity [Painter and Burkitt [docu-
and operated by 27 different surgeons during a period of
mented the increased intraluminal pressures and muscle
abnormalities as the cause for diverticula formation in the
Zeitoun et al. ] concluded that primary resection was
sigmoid. When left in situ, the perforated segment remains
postoperative peritonitis and fewer reoperations. Never-
diverting loop ileostomy seems not to diminish postoper-
theless, postoperative mortality after primary resection was
ative mortality []. The use of perioperative colonic lavage
higher compared with nonresectional surgery (24% vs.
appears to lower postoperative complications in case of
19%), but this difference was not significant. Although the
PA, but the evidence in the present literature is limited
evidence was weak, the American Society of Colon and
Rectal Surgeons has published practice guidelines in which
Postoperative morbidity and mortality rates of patients
the three-stage operative approach strategy (nonresectional
after emergency surgery for PPD are still high and mainly
surgery) was no longer recommended for most patients
caused by the poor general condition of the frequently aged
because of high associated morbidity and mortality
patients and the severity of disease –This suggests
As a result of improvements in radiological intervention
that further reduction in mortality will require improve-
techniques, postoperative complications and ongoing
ment in medical management of pre- and perioperative
abdominal sepsis could be treated percutaneously, which
sepsis and comorbid conditions. Type of surgery seems no
made more radical resections during initial surgery possi-
longer significantly related with postoperative mortality,
ble [HP had become mandatory for emergency indi-
although many recent studies favor PA, with or without
cations in PPD. But skepticism about primary resection
loop ileostomy, instead of HP in purulent of fecal PPD
These statements were confirmed by a sys-tematic review by Salem and Flum in which mortalityrates after HP and PA of 19% and 10% respectively, were
Improvements in surgical and radiological interventiontechniques and progress in the management of peritoneal
sepsis led to an increasing interest in colonic resection withprimary anastomosis (PA) since the 1990s. Although not
The role of laparoscopic resectional surgery in PPD is
proven in randomized controlled trials, PA with or without
limited. In acute complicated diverticulitis without perito-
defunctioning loop ileostomy seemed not to be inferior to
nitis, laparoscopic sigmoid resection with PA seemed to be
HP in terms of severe postoperative complications and
a safe procedure ]. Outcome after laparoscopic PA in
mortality [, , Probably, even the presence of
PPD is lacking in the present literature. Laparoscopic HP
fecal peritonitis was no longer considered an absolute
seems to be a technically feasible procedure with reason-
contraindication to immediate bowel reconstruction
able outcomes for patients in this category ]. In 1996,
However, fear of anastomotic leakage often deters many
Faranda et al. first described a nonresectional laparoscopic
surgeons from performing a one-stage procedure (e.g., PA
procedure that seemed to be a more promising alternative
]. In patients with peritonitis without gross fecal con-
Although HP is considered a two-stage procedure, the
tamination, laparoscopic peritoneal lavage, inspection of
second stage (reversal of colostomy) will never be per-
the colon, and the placement of abdominal drains appear to
formed in a large number of patients , Restoration
diminish morbidity and improve outcome []. In a
of bowel continuity after HP is a technically challenging
series of 100 patients with PPD, Myers et al. [showed
operation and is associated with significant morbidity and
excellent results after laparoscopic lavage and drainage of
mortality [These rates can be as high as 25% and 14%,
the peritoneal cavity, with morbidity and mortality
respectively, after colostomy reversal in patients who had
undergone HP for PPD , Together with the debilitated
Laparoscopic damage control surgery seems to decrease
condition of many of these patients, this is one of the main
the rate of more radical procedures, including HP [
reasons that HP often results in a permanent colostomy.
In patients who were found to have fecal peritonitis or who
They face the physical (leakage, parastomal hernia) and
fail to improve after lavage, acute resection should still be
psychological (lifestyle alterations) challenges that are
performed ]. A comparative study between laparoscopic
associated with having a stoma , ]. The risk of per-
peritoneal lavage and open PA with diverting loop ileos-
manent ileostomy is recognizably less than that of HP and
tomy for the management of PPD found no differences in
postoperative morbidity and mortality [Laparoscopic
The performance of a diverting loop ileostomy has been
peritoneal lavage reduced the length of hospital stay and a
reported to decrease the rate of symptomatic anastomotic
stoma could be avoided in most patients.
leakage in patients operated for rectal cancer []. The
In a second elective stage definitive surgery can take
same is found in case of diverticular peritonitis. However,
place, e.g., laparoscopic resection and PA , although
the quality of the present studies is poor. Besides, a
subsequent elective resection is probably unnecessary
[, Nevertheless, the number of studies are rather
important [, Nevertheless, because the evidence is
limited and mostly based on small groups of patients.
weak, until now primary resection remains the standard
Besides, the rates of additional radiological interventions
treatment for PPD, although the European Association for
and conversion to an open procedure are high [Finally,
Endoscopic Surgery Evidence-based Guidelines stated that
for many hospitals it will not be possible to have a surgical
laparoscopic nonresectional surgery may be considered in
team with expertise in colorectal laparoscopic surgery
present all the time. Therefore, laparoscopy is of unclear orlimited value in the emergency setting caused by PPD. However, diagnostic laparoscopy may be useful if no
diagnosis can be found by conventional diagnostics [
Some authors have expressed their concerns with lapa-
Until the 1990s, all stages of perforated diverticulitis were
roscopic nonresectional treatment of perforated diverticu-
treated by surgery. The principles of primary treatment of
litis. They state that the decision to perform nonresectional
abdominal infections caused by perforation, as outlined by
surgery is influenced by the surgical access to the abdomen,
Polk in 1979 have not changed much during the years.
i.e., laparoscopy, rather than based on evidence in the lit-
These principles include alimentary tract decompression,
erature [Patients should undergo primary resection,
fluid resuscitation, antibiotics to cover gram-negative aer-
whether the surgical access to the abdomen is conventional
obes and anaerobes, and so-called ‘‘source control.’’ Source
or laparoscopic, because there is ‘‘evidence’’ in the litera-
control consists of all measurements to eliminate the source
ture that resectional surgery leads to lower postoperative
of infection, to control ongoing contamination, and to
peritonitis, and mortality rates, compared with nonresec-
restore premorbid anatomy and its function ,
tional surgery [Unfortunately, the evidence to
The progress of antibiotic development and interven-
which they referred []—resection favoring nonre-
tional radiographic techniques has changed the manage-
sectional surgery—is equivocal or to the contrary as stated
ment of perforated diverticulitis. The high specificity of CT
before. The major criticism of the nonresectional laparo-
scan has allowed this modality to become a surrogate to the
scopically lavage technique is the continued presence of
perioperative assessment made by the Hinchey classifica-
the perforated colon as a septic focus as well as the column
tion [Furthermore, CT scan has become an important
of feces remaining in the colon proximally to the perfora-
therapeutic modality. It is now recognized that patients
tion as a potential ongoing source of contamination. This
with small, contained perforations, who are not systemi-
also was the main criticism toward the three-stage proce-
cally ill, can be treated initially with antibiotics alone or by
dure that was used to treat PPD until the 1970s. Classen
CT-guided percutaneous drainage [, Source control
et al. had observed that postoperative mortality related to
by percutaneous drainage has become the treatment of
sepsis was lowered after addition of more effective anti-
choice for most abscesses, provided that adequate drainage
biotics to treat gram-negative and anaerobic bacteria since
is possible and no debridement or repair of anatomical
1970 [Besides, PPD is accompanied by ileus, hence, it
structures is necessary [The size of the drain used is
is not likely that the fecal column is propelled toward the
very important because complete evacuation of the abscess
perforation. A patent communication between the colonic
must be obtained. If the abscess cannot be drained suffi-
lumen and the peritoneal cavity usually cannot be found
ciently, source control will fail. Although mechanical
during laparoscopy because the site of the original perfo-
control of the source of infection remains important, sev-
ration has become sealed by the inflammatory process and
eral studies have found that abscesses up to 4 cm seem to
omentum and seems efficient to control the source of
respond better to antibiotics alone [Currently, the
contamination. If the perforation site is too large to be
only patients who require surgery (laparoscopically or
sealed before peristalsis resumes, resection of the bowel
open) for source control are those who fail conservative
treatment and those who require emergency surgery,
The suggestion that nonresectional surgery in combi-
nation with more advanced antibiotics have never proven
If nonresectional laparoscopic lavage and drainage to
to be an inferior strategy could explain the excellent
treat PPD is found to be a safe and better alternative for
results after laparoscopic lavage in combination with
resectional surgery in the future, why should this be dif-
modern management of peritoneal sepsis with improved
ferent from nonresectional nonsurgical, e.g., CT-guided,
antibiotics and intensive care medicine. Naturally the
percutaneous lavage and drainage? The present literature as
latter technique has several advantages over the open
yet does not report about this (hypothetical or future)
three-stage procedure, of which less wound complications
treatment strategy. Is it possible that this will be the next
(such as infections and hernias), no stomal complications,
step in the ever more conservative management of different
and avoidance of a second operation are the most
To answer this question, it is important to take into
strategy in contained diverticular perforations, it is not
account the main principles of abdominal infection treat-
likely that nonresectional interventional radiographic
ment when using percutaneous lavage and drainage. Fluid
techniques will play a prominent role in the initial treat-
resuscitation and modern antibiotic strategies will not be
ment of PPD in the near future. Clearly, more (prospective
different from laparoscopically lavage procedures. To gain
randomized) research is warranted to confirm all of these
source control in percutaneous techniques, it is important
that large-size catheters will be used for adequate drainageof thick and viscous purulent contents ]. The main
This article is distributed under the terms of the
Creative Commons Attribution Noncommercial License which per-
problem is the inability for inspection of the abdominal
mits any noncommercial use, distribution, and reproduction in any
cavity to localize the site and size of the perforation. In
medium, provided the original author(s) and source are credited.
laparoscopic procedures to treat PPD, careful removal ofadherent omentum or bowel is tried to locate the site ofperforation. If clearly adherent, the adhered omentum or
small intestinal loops can be left in place and the abdominalcavity is irrigated with liters of warm saline At the end of
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William R. Klemme, M.D. Diplomat, American Board of Orthopaedic Surgery Practice Limited to Spine Surgery Adult and Pediatric Spine Surgery Degenerative and Deformity Conditions NEW PATIENT CLINICAL INFORMATION FORM Is your problem related to: Job injury Briefly describe your main problem/complaint. Also, describe the injury that caused these symptoms, if applicable. How
Case report: Management of heterotopic ossification associated with myocutaneous flap reconstruction of a sacral pressure ulcer Colin W. McInnes1, Richard A.K. Reynolds2, Jugpal S. Arneja3 1Faculty of Medicine, University of British Columbia, Vancouver, BC2Department of Orthopedics, Children’s Hospital of Michigan, Detroit, MI3Division of Plastic Surgery, British Columbi