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PubMed1988

Intra-abdominal abscess demonstrating an unusually large intra-abdominal pattern on an indium-111 leukocyte scan.

Indium-111 WBC imaging of a patient with occult septicemia revealed a large focal pattern of radiopharmaceutical distribution within the abdominal cavity at 24 hours post radiopharmaceutical administration. This finding was felt to represent a large intra-abdominal abscess. A five liter peritoneal abscess was found at surgery. This case illustrates an unusual presentation of an intra-abdominal abscess.

Abdomen↗
PubMedDate not supplied

[Non-surgical drainage of intra-abdominal abscesses].

UNLABELLED: Intra-abdominal abscesses were treated by percutaneous needle drainage. Diagnosis was based, in 100% of the cases, on clinical findings, flat abdomen X-rays and ultrasound. 71% had previous abdominal surgery and 17% had abdominal trauma. The abscesses were located as follows: 29% in the liver, 24% in right sub-diaphragmatic area, 41% had several locations and 6% was pyogenic collection in de common biliary duct. The average duration of drainage was 9 days. Fifteen out of the 17 procedures were successful (88%). Predominant germs obtained in cultures of the drained material were E. Coli and P. Aeruginosa. CONCLUSION: the above experience demonstrate that percutaneous drainage in intra-abdominal abscesses is a secure and effective procedure with high rate of success and low of morbidity and mortality. It must be considered as treatment of choice.

Abdomen↗
PubMed1996

Nonoperative management for intra-abdominal abscesses.

Percutaneous drainage of an intra-abdominal abscess is utilized frequently. To evaluate its effectiveness at our institution over 16 months, 18 patients (mean age 49 years) who underwent radiologically directed percutaneous drainage of intra-abdominal abscesses were retrospectively reviewed. The abscesses were postoperative in 14 patients (laparotomy, 5; appendectomy, 4; colectomy, 3; hysterectomy, 2). Primary abscesses were due to diverticular disease (3), perforated appendicitis (3), perforated colon carcinoma (1), and perforated peptic ulcer (1). Percutaneous drainage was ultimately established in all patients with complete resolution of the abscesses occurring in 12 patients (67%). The average duration for drainage was 5.5 days (range 1-23). Average length of hospital stay after the establishment of drainage was 14.6 days (range 1-48). Six patients required surgical procedures because of inadequate abscess drainage (4) or continued clinical deterioration (2). There were no deaths. A major complication (colon perforation, enteric fistula) occurred in two patients (11%). Catheter-related problems were common (7/18 patients), and included drain migration (3), inadequate drainage, and catheter obstruction(2). Four patients required multiple percutaneous drainage procedures. Despite technical feasibility and clinical success in the majority of patients, percutaneous drainage of these intra-abdominal abscesses had frequent catheter-related complications. One-third of patients (31.8%) required surgical intervention despite a prolonged period (average 15 days) of percutaneous drainage. Patients demonstrated to have nonresolving abscesses by computer tomography (CT), abscesses associated with colonic diverticular disease of colon cancer, and abscesses localized to the left lower quadrant were noted to have less successful percutaneous abscess drainage. Patients with a persistent of rising leukocyte count and/or an elevated APACHE II score prior to drainage should be routinely reevaluated at 4 days. Earlier surgical intervention is felt to be warranted because these two factors in this study were indicative of a low nonoperative success rate. Post-appendectomy abscesses uniformly demonstrated prompt response to percutaneous drainage. CT-directed percutaneous drainage of intra-abdominal abscesses provides an alternative to immediate surgical intervention. The preliminary findings from this study suggest a limited application of this intervention in one-third of patients. Further detailed analysis of this patient group is required to delineate guidelines for identifying those patients where percutaneous drainage is unlikely to be successful.

APACHE↗
PubMed1999

[An update in the treatment of intra-abdominal abscesses].

BACKGROUND AND AIMS: Intra-abdominal abscesses represent a relatively severe complication in gastroenterological surgery owing to their association with high levels of morbidity and mortality. METHODS: The authors report their experience between January 1990 and January 1996 in 11 patients with intra-abdominal abscesses secondary to emergency surgery for gastroenterology in 10 cases and gynecology in 1 case. After the lesion had been identified using ultrasonography and CT, it was emptied, washed with antibiotic and drained using Seldinger's ultrasonographic and CT-guided technique. Small abscesses (less than 5 mm) were completed removed. RESULTS: The following results were obtained: the immediate disappearance of pain and fever, accompanied by improved general conditions, restoration of canalisation and closure of the abscess cavity (on average between 10 and 15 days). CONCLUSIONS: In conclusion, ultrasonographic-CT guided drainage of postoperative intra-abdominal abscesses, which were previously managed using surgical methods, appears to be the best treatment, relying on the use of imaging techniques and thereby allowing both morbidity and mortality to be reduced.

Abdomen↗
PubMed1981

Ultrasound guided percutaneous abdominal abscess drainage.

Traditional management of abdominal abscess is according to classical surgical methods. Catheter or needle drainage of these abscesses, using ultrasound both as an imaging modality and as a monitor of technique, offers a safe and rapid method of drainage of all types of abdominal abscess and eliminates surgery in many patients. Eleven abdominal and retroperitoneal abscesses were satisfactorily drained under ultrasound control in ten patients. No abscess recurred, but in three patients subsequent surgery was performed, in one because the abscess was multiloculated, and in the other two to exclude underlying malignancy.

Abdomen↗
PubMed1979

Computed tomography in the diagnosis of intra-abdominal abscesses.

The diagnosis of intra-abdominal abscess by radiographic means often relies on combining the results of several different imaging modalities. Computed tomography (CT) has been shown to be a safe, accurate and rapid diagnostic method of diagnosing these abscesses. Five patients with a variety of intra-abdominal abscesses are presented in whom the CT scan alone provided the correct diagnosis. The various imaging modalities available for the radiologic diagnosis of intra-abdominal abscess are described and are compared to CT diagnosis regarding their pitfalls.

Abscess↗
PubMed1983

The silent abdominal abscess: role of the radiologist.

An abdominal abscess usually causes severe distress with fever, leukocytosis, pain, and toxicity. However, a small but significant proportion of patients with abdominal abscess may appear entirely well with no elevated temperature or white blood cell count. Fifteen patients are reported whose initial clinical presentation was unremarkable but who had significant abscess formation that was well documented by radiographic methods. Both the radiologist and the patient's primary physician must be aware of the not infrequent presentation of abdominal abscess in a clinically innocuous manner. The lack of fever, elevated white blood cell count, or patient complaint should in no way rule out the diagnosis of abscess when positive radiographic evidence is found.

Abdomen↗
PubMed2002

Percutaneous postoperative intra-abdominal abscess drainage after elective colorectal surgery.

Intra-abdominal abscesses are a frequent source of morbidity and mortality following both elective and emergent surgery of the alimentary tract. CT-guided percutaneous drainage of intra-abdominal abscess is an alternative to immediate surgical intervention. We studied the clinical characteristics and outcomes of patients undergoing percutaneous drainage of intra-abdominal abscesses arising after elective colorectal procedures. We retrospectively identified 40 patients with postoperative intraabdominal abscess following elective colorectal surgery who underwent CT-guided percutaneous drainage with a Von Sonnenberg sump drain between 1990 and 1998. The most common presenting symptoms were pyrexia in 39 (97%), abdominal tenderness in 32 (80%), guarding in 1 (2.5%) and abdominal mass in 3 (7.5%); no patient had generalized peritonitis. The most common index procedure was proctocolectomy with ileoanal anastomosis and ileal Jpouch in 12 (30%) patients. Drainage was performed using an anterior approach in 32 (80%) and a transgluteal window in 8 (20%) patients. Thirty-five (87.5%) patients had a single collection, while 2 (5.0%) patients had 2 collections and 3 (7.5%) patients had 3 collections. Thirteen (32.5%) patients had perioperative steroids, 30 (75%) had preoperative antibiotics, and 40 (100%) had postoperative antibiotics. Follow-up at a mean of 35.8 days revealed complete resolution of abscess in 26 (65%) patients; 14 (35%) patients had residual or recurrent abscess successfully treated by repeat drainage in 8 patients and requiring laparotomy in 6. Percutaneous CT-guided abscess drainage is an effective method for treating intra-abdominal abscess following elective colorectal surgery. The primary success was 65% after the first and 85% after a second drainage. In conclusion, this technique should be considered as the treatment of choice in patients with localized intra-abdominal abscess without signs of generalized peritonitis.

Abdominal Abscess↗
PubMed1983

Percutaneous abdominal abscess drainage. Portland area experience.

After reviewing 21 patients who have had percutaneous abdominal abscess drainage, we believe that the procedure should be considered for those abscesses that are unilocular without septations, with safe access being a key variable dictating the use of percutaneous abdominal abscess drainage rather than surgery. A computerized tomographic scan of the abdomen should be employed at some stage of the percutaneous abdominal abscess drainage procedure to facilitate safe access to the abscess and to distinguish a synchronous abscess where present. In addition, we believe that percutaneous abdominal abscess drainage should be considered for postsurgical abscesses only and not those that are spontaneous in nature or where the original abnormality cannot be accurately surmised. With regard to catheter management, frequent irrigation of the catheter must be carried out at least every 4 to 6 hours, with high levels of antibiotics present in the blood before irrigation. This must be done to obviate the most frequent and potentially lethal complication of the procedure, namely sepsis. Percutaneous abdominal abscess drainage, although safe for the most part, is capable of inducing considerable morbidity. Our data suggest that percutaneous abdominal abscess drainage is not as efficacious as previous reports have suggested. Traditional surgical drainage techniques are best utilized for those abscesses that are multiple, highly viscous, inaccessible, spontaneous, or unresponsive to percutaneous abdominal abscess drainage.

Abdomen↗
PubMed1996

Constituent analysis may permit improved diagnosis of intra-abdominal abscess.

BACKGROUND: Intra-abdominal abscesses (IAA) often fail to resolve with intravenous antibiotics alone and frequently require drainage. Diagnosis of IAA in postoperative patients with other likely sources of infection is very difficult. PATIENTS AND METHODS: In order to characterize IAA and identify parameters that might facilitate diagnosis, we prospectively examined peripheral blood and pus of 15 consecutive patients with IAA and compared them to samples from 34 consecutive patients with soft-tissue abscesses (STA). RESULTS: Serum interleukin (IL)-10 was elevated in IAA patients, while abnormally detectable serum IL-4 was demonstrated in the pus of both IAA and STA patients. IL-10 in IAA pus was more than 11-fold higher than in STA, whereas IL-4 in pus was similar in both types of abscesses. Both IL-4 and IL-10 were 4- to 10-fold higher in IAA and STA pus than in corresponding patient serum. Serum lysozyme was, however, significantly elevated in all abscess patients. CONCLUSIONS: The presence of IL-4 and IL-10 may indicate a T-helper 2 lymphocyte response in the etiology of abscess formation and persistence, although precise determination of T-helper 1-related cytokines is needed to verify this. Serum lysozyme and IL-10 may be reliable and relatively inexpensive diagnostic aids.

Abdominal Abscess↗
PubMed1994

[Percutaneous drainage of abdominal abscesses].

Percutaneous drainage of abdominal abscesses has proved to be one of the most successful and gratifying of all interventional radiology procedures. Collections of intra-abdominal fluid can be detected easily with computer tomography and sonography. Diagnostic aspiration is done under guidance of sonography or computer tomography. Sonography is the ideal imaging method for monitoring interventional procedures. Its ability to visualize the collection of superficial fluid and its real-time capability allows precise control of insertions of needles and catheters. If the collection is poorly seen with sonography, often because of air, computer tomography can be used as a system of guidance. It is essential that radiologists and surgeons collaborate in the treatment of patients with abscesses. Percutaneous drainage is favoured in patients at high risk with open surgery, while diffuse collections between bowels almost always need surgical drainage. Simple abscesses can be treated successfully with percutaneous drainage. Complicated abscesses in the pancreas can also be treated with good results. The procedure is carried out under local anaesthesia. Most complications are minor and can be treated conservatively. Coagulation abnormalities must be corrected, but there are no other contraindications to these image-guided percutaneous procedures.

Abdominal Abscess↗
PubMed1985

Improved detection of upper abdominal abscesses by combination of 99mTc sulfur colloid and 111In leukocyte scanning.

Indium-111-labeled leukocyte scanning is an excellent technique for detecting abdominal abscesses. However, since labeled leukocytes are normally taken up by the liver and spleen, diagnosing upper abdominal abscesses can be difficult. A prospective study was undertaken to see if having a technetium-99m sulfur colloid liver-spleen scan to compare with the 111In leukocyte scan would improve the reader's ability to diagnose or exclude upper abdominal abscesses. Ninety patients with suspected upper abdominal abscesses were examined with 111In leukocyte scans followed immediately by conventional 99mTc sulfur colloid liver-spleen scans in the same projections. In 57% of patients with upper abdominal abscesses and 26% of all patients studied, the 99mTc sulfur colloid scan was essential to diagnose or exclude an upper abdominal abscess. The liver-spleen scan was considered helpful in another 13%. The addition of a 99mTc sulfur colloid liver-spleen scan to the 111In leukocyte study is useful when evaluating patients with suspected upper abdominal abscesses.

Abdomen↗
PubMed2005

Effective laparoscopic drainage for intra-abdominal abscess not amenable to percutaneous approach: report of two cases.

PURPOSE: The usefulness of the laparoscopic approach for massive intra-abdominal abscesses is controversial. We report two patients who underwent laparoscopic abscess drainage for massive intra-abdominal abscesses not amenable to the percutaneous approach that were suspected to be caused by acute appendicitis. METHODS: In both patients, four ports were placed at their abdominal walls under general anesthesia. Intra-abdominal abscess cavities were punched out, and the purulent exudates that spilled out from the cavities were aspirated completely. Copious irrigation was performed under direct vision. These procedures were completed laparoscopically. RESULTS: The postoperative clinical courses of the patients were uneventful. The intra-abdominal abscesses did not recur, and no wound complications were recognized. The patients were discharged from our hospital in excellent condition within two weeks. CONCLUSIONS: Laparoscopic drainage for massive intra-abdominal abscess is a minimally invasive and useful procedure compared with the open method or the percutaneous approach. It offers the advantage of being able to explore of the abdominal cavity without an unnecessary wide incision, and aspiration of a purulent exudate is possible under direct vision.

Abdominal Abscess↗
PubMed1979

The roles of Gallium-67 scintigraphy, ultrasonography, and computed tomography in the detection of abdominal abscesses.

The evaluation of patients with suspected abdominal abscesses begins with a history and careful physical examination. Gallium-67 (67Ga) scintigraphy, ultrasonography (US), and computed tomography (CT) are utilized only after other routine investigations have failed to localize the abscess. All three modalities are reliable for the detection of abdominal abscesses. The decision regarding which of these three diagnostic tests to use in a particular patient rests upon clinical considerations. If the patient has acute localizing signs and symptoms, 67Ga should not be used initially. In this type of patient, rapid diagnosis is best provided by either US or CT. Further radiologic investigation may be terminated if the CT or US findings are characteristic of an abscess. A 67Ga scan should be performed in a patient with acute localizing signs and symptoms if the initial CT or US is negative. In a patient with nonlocalizing signs and symptoms, 67Ga imaging should be employed as the first procedure since the entire body is easily surveyed. If the 67Ga images are abnormal, then CT or US should be utilized for further lesion characterization. This diagnostic approach will optimize the rapidity of patient evaluation and will minimize diagnostic errors.

Abdomen↗
PubMed1998

[Intra-abdominal abscess].

In more than 80% of cases, intra-abdominal abscesses derive from an intra-abdominal organ, and in most cases they develop after operative procedures. Regarding anatomy, intra-abdominal abscesses can be divided into intra-peritoneal and visceral abscesses and those located in the anterior retroperitoneal space. Despite improvements in ultrasonography, CT is still the most effective method in diagnosis and therapy. Percutaneous ultrasound or CT-guided drainage is a therapy characterized by low procedural morbidity and is successful in 80% of cases if strict criteria are met. Complicated abscesses and those cases in which the underlying disease has to be treated require surgical intervention. Most liver abscesses are treated interventionally; in abscesses of the pancreas or spleen and in Crohn's disease, surgery is necessary. The combination with sufficient antibiotic drug therapy is very important. Specific infectious diseases appearing as intra-abdominal conglomerates (tuberculosis, actinomycosis, amebiasis) lead to a delay in diagnostics because of their scarcity and are characterized by special patho-anatomical, diagnostic and therapeutic features. The crucial thing is to take a specific infection into consideration.

Abdominal Abscess↗
PubMed1994

Analysis of risk factors of postappendectomy intra-abdominal abscess.

BACKGROUND: Postappendectomy intra-abdominal abscesses (PAIAA) complicate the recovery of a small but significant fraction of patients with advanced appendicitis. STUDY DESIGN: A retrospective review of 1,184 patients with appendicitis was undertaken to define the clinical characteristics and risk factors associated with PAIAA. RESULTS: Thirty-three patients with 36 PAIAAs were found, an incidence of 2.8 percent. The mean age of patients with PAIAA was less than the overall group (16.9 versus 23.1 years, p = 0.002), and the mean core temperature of the PAIAA group was significantly higher (38.5 versus 38.2 degrees C). The incidence of PAIAA increased as the degree of appendiceal pathology worsened. The incidence of PAIAA was six (3.2 percent) of 190 in patients with gangrenous appendicitis and was 27 (8.7 percent) of 309 among patients with perforated appendicitis. Logistic regression analysis showed that independent predictors for the occurrence of PAIAA were young age and perforation. Although children presented with a higher rate of perforated appendicitis, this did not account for the younger age of the patients with PAIAA. Children (less than ten years of age) with perforation had PAIAA in ten (14 percent) of 69 cases compared with the incidence in the older patients with perforation of 17 (7.1 percent) of 240. CONCLUSIONS: These findings improve the surgeon's ability to identify patients at risk for PAIAA. Alterations in the perioperative management of perforated appendicitis, particularly in the pediatric patient, may reduce the occurrence of PAIAA.

Abdominal Abscess↗
PubMed2000

Ultrasound guided percutaneous drainage of abdominal abscesses.

OBJECTIVE: To see yield of ultrasound guided percutaneous drainage of abdominal abscesses. SETTING: Department of General Surgery Unit I, Lahore General Hospital and North Surgical Unit, Mayo Hospital, Lahore. DESIGN: A prospective case-controlled study. SUBJECTS: Patients with spontaneous or post operative abdominal abscesses. RESULTS: Overall success rate was 96.2%, major complications 11.5%, minor complications 26.9% and mortality 3.8%. In simple abscesses (20 patients), the success rate was 100% and in complex abscesses (six patients) 83.4%, with respective mortality 0.0% and 16.6%. Mean hospital stay was 10.7 days (range 3-25). CONCLUSION: Ultrasound guided percutaneous drainage of abdominal abscesses is an effective and safe method, suited particularly for simple abscesses.

Abdominal Abscess↗
PubMed2006

Factors affecting the successful management of intra-abdominal abscesses with antibiotics and the need for percutaneous drainage.

PURPOSE: There is no definite consensus on the management of intra-abdominal abscesses in adults. This retrospective study evaluated the use of antibiotic therapy and percutaneous image-guided drainage in adult patients with intra-abdominal abscesses. METHODS: A retrospective chart review of 114 patients with intra-abdominal abscesses was conducted. Data collected included patient demographics, presenting symptoms, radiographic interpretation, vital signs, antibiotic coverage, laboratory values, and details of the hospital course. Bivariate statistical tests were performed using the Wilcoxon rank-sum test, chi-squared test, or Fisher's exact test, where appropriate. RESULTS: Sixty-seven of 114 patients (59 percent) had intra-abdominal abscesses resulting from appendicitis, diverticulitis in 30 patients (26 percent), postoperative in 13 patients (11 percent), and undetermined in 4 patients (4 percent). Three patients (3 percent; 95 percent confidence interval, 1-8 percent) failed conservative management and underwent urgent operation. Sixty-one (54 percent; 95 percent confidence interval, 44-63 percent) patients improved with intravenous antibiotic therapy alone. Fifty patients (44 percent; 95 percent confidence interval, 35-54 percent) underwent image-guided percutaneous drainage after 48 to 72 hours of antibiotic therapy. Patients who improved on antibiotics alone had average abscess diameter of 4 cm, whereas patients who underwent percutaneous drainage had average diameter of 6.5 cm (P<0.0001). Maximal temperature at time of admission was 100.8 degrees F for antibiotic group and 101.2 degrees F for percutaneous drainage group (P=0.0067). CONCLUSIONS: The majority of the patients with intra-abdominal abscesses improved with antibiotic therapy alone. Those patients with an abscess diameter>6.5 cm and temperature at admission>101.2 degrees F have higher likelihood of failing conservative therapy with antibiotics alone and requiring percutaneous drainage.

Abdominal Abscess↗