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PubMed2002

Effect of a single percutaneous abscess drainage puncture and imipenem therapy, alone or in combination, in treatment of mixed-infection abscesses in mice.

The importance of supplementary imipenem therapy after a single percutaneous abscess drainage puncture was studied in a mouse model of established mixed-infection abscesses. Animals were treated for 3 days with daily dosing regimens of 384 to 1,536 mg/kg of body weight that took into account the short half-life of this antibiotic in mice. Imipenem therapy in conjunction with abscess drainage was significantly better than drainage alone in reducing the Escherichia coli and Bacteroides fragilis counts in the mixed infections. Furthermore, the killing of B. fragilis by the combination of imipenem therapy and abscess drainage was significantly better than that by imipenem treatment alone. The maximum reductions in E. coli and B. fragilis counts were 1.1 and 2.2 log(10) CFU/abscess, respectively. In contrast, the in vitro activity of imipenem was significantly better (maximum reduction, > or =6.2 log(10) CFU/ml) against mixed cultures of the same strains even when bacterial numbers similar to those found in the abscesses were used. Comparable in vivo activity was achieved only when treatment was started 30 min before inoculation (reduction for both strains, > or =6.1 log(10) CFU/abscess), but this killing was significantly diminished if the start of treatment was delayed until > or =12 h after inoculation. Imipenem concentrations in abscess tissue reached levels above the MIC for E. coli for >60% of the dosing interval. Possible reasons for the reduced activity of imipenem in vivo are discussed, and we conclude that standard susceptibility tests overestimate the efficacy of this antibiotic against the organisms present in these abscesses.

Abscess↗
PubMed2002

Abscess tonsillectomy for acute peritonsillar abscess.

Peritonsillar abscess (PTA) is a common but potentially serious complication of acute exudative tonsillitis. Several treatment guidelines have been described including needle aspiration, incision and drainage or abscess tonsillectomy. From January 1996 to September 2000 145 patients (53 female and 92 male, age range 3-95 years) were treated for PTA at the Department of Otorhinolaryngology, Head and Neck Surgery of the MLU Halle-Wittenberg, Germany. The highest incidence of PTA was observed in the second and third decades of life. Immediate abscess tonsillectomy was performed in 105 cases. This procedure, considered as safe and easy, has a lot of advantages. Compared with other treatments, it removes the abscess with amelioration of the trismus and dysphagia. Needle aspiration as the initial and only treatment was performed in 13 patients. In 20 patients without clinical improvement after aspiration, abscess tonsillectomy was undertaken. We conclude that immediately performed abscess tonsillectomy is an effective and safe treatment for peritonsillar abscess.

Abscess↗
PubMed1991

[A case of Osler-Weber-Rendu disease with brain abscess; the mechanism of the formation of brain abscess and its treatment in Osler-Weber-Rendu disease].

A 54 year-old man, who had a hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu disease; O-W-R) accompanied by pulmonary arteriovenous fistulas (PAVFs) and congestive heart failure, developed seizure, right hemiparesis and dysphasia. A brain CT scan revealed a cystic lesion with perifocal edema in left frontoparietal lobe. A contrast enhanced CT scan showed a ring-like enhancement. Dynamic CT scans disclosed that the ring in the cortical side was enhanced more thickly than that in the ventricular side. Considering the severity of the cardio-pulmonary condition, and the deep location of the abscess, we performed an echo-guided aspiration and drainage of the abscess under local anesthesia. No bacteria were demonstrated in the culture of the contents of the abscess. After the surgery, the right hemiparesis and dysphasia were much improved and a CT scan showed the marked reduction of the abscess. However, around eight days after the surgery, the patient showed severe pleural effusion due to progressive heart failure and died on the 11th postoperative day. Autopsy disclosed a shrunken brain abscess, multiple cerebral infarction, multiple PAVFs and severe constrictive pericarditis which was regarded as the cause of death in the patient. In this report, we presented the therapeutic advantage of echo-guided surgery for the treatment of brain abscess in a high-risk patient. We also discussed the mechanism of the formation of brain abscess in patients of O-W-R disease by reviewing published cases.

Arteriovenous Fistula↗
PubMed1979

[Surgical management of abscessing mastitis and of retromammary abscesses].

This paper analyses the frequency of abscess-forming mastitis and retromammary abscess in evaluating patients of 11712 births from 1972 to 1978. In 69 cases we found an abscess-forming mastitis and in 6 cases a retromammary abscess. In differential diagnosis there are discussed the clinical symptoms of both diseases. Whereas in the case of intramammary abscess a radial incision with contra-incision and drainage is made, the retromammary abscess indicates a curved incision according of the retromammary abscess are not so frequent but must be taken into consideration in the differential diagnosis of inflammatory diseases of the mamma during puerperium.

Abscess↗
PubMedDate not supplied

Hepatic abscess following transhepatic drainage of subphrenic abscess.

A case of an hepatic abscess that developed after percutaneous transhepatic drainage of a subphrenic abscess is presented. The location of the abscess immediately along the tract of the drainage catheter and the similar organisms recovered from bacteriologic culture suggest that the abscess was related to direct contamination along the tract of the drainage catheter. The potential for abscess formation within the liver should be considered in the choice of access route for percutaneous drainage of retroabdominal abscesses. It may be preferable to avoid transhepatic drainage in patients in whom it is anticipated that the catheter drainage will require considerable length of time.

Catheterization↗
PubMed1987

[Pseudotumorous liver tuberculosis with multiple organ abscesses. A contribution to the differential diagnosis of liver abscess].

In a patient hospitalized with the diagnosis "fever of unclear etiology", a large liver abscess with multiple organ abscesses (soft tissues of the throat, spleen) was found. The bacteriological investigation of the liver abscess punctation material and the histological investigation of material from a throat abscess did not lead to a diagnosis. The causative organism was only detected by a specific investigation for M. tuberculosis (bacteriological, ELISA). Apart from one exception, there has been no reference to the possible causation of large liver abscesses by M. tuberculosis in the review literature in this country and abroad. In the case described, the tuberculous liver abscess was caused to regress by pharmacotherapy.

Abscess↗
PubMed2000

Unilateral chronic tuboovarian abscess secondary to ruptured colonic diverticulum presenting as a brain abscess. A case report.

BACKGROUND: Tuboovarian abscesses (TOAs) are a somewhat unusual finding in postmenopausal patients without risk factors. We present a rare case of unilateral TOA initially presenting as a brain abscess in a postmenopausal woman. CASE: A 61-year-old woman presented with a complaint of forgetfulness, nausea and vomiting, with lower abdominal pain and diarrhea. She was found to have a brain abscess, which was treated by craniotomy, with drainage of the abscess, and intravenous antibiotics. The patient was subsequently found to have a pelvic mass, which, on laparotomy, was a unilateral TOA. Pathology demonstrated that the abscess contained vegetable matter consistent with origin in a ruptured diverticulum. CONCLUSION: Diagnosis of a brain abscess should prompt a thorough investigation for a primary infectious source, including the gastrointestinal and genitourinary tracts.

Abdominal Abscess↗
PubMed1986

Efficacy of ofloxacin (HOE 280) in a model of subcutaneous abscess: penetration and prevention of abscess formation.

A mouse model of subcutaneous abscess was used to determine the penetration into the abscess and the preventive value of ofloxacin (Hoe 280). Sterile cecal contents were injected subcutaneously combined with three different types of inoculum: Bacteroides fragilis, Escherichia coli and E. coli plus B. fragilis. For penetration studies three doses of 20 mg/kg of ofloxacin were administered intraperitoneally 8 hourly after abscesses had formed. Serum levels at 10, 20, 30, 60 and 90 min after the last dose showed mean values of: 6.9, 4.7, 3.8, 2.35 and 1.08 mg/l respectively. Simultaneously assessed ofloxacin abscess levels were 3.6, 4.1, 2.4, 1.91 and 1.98 mg/kg. In order to evaluate its preventive value, ofloxacin was given intraperitoneally at doses of 20 mg/kg in four regimens. Regimen A: one dose immediately before injection of the inoculum; regimen B: one dose 4 h after the injection of the inoculum; regimen C: one dose immediately before and two doses 8 h and 16 h after injection of the inoculum and regimen D: one dose 4 h, 12 h and 20 h after injection of the inoculum. The results are expressed as the percentage of the reduction in the number of abscesses formed in the survivors versus the control groups: regimens A) 30 to 70%; B) 0 to 40%; C) 50 to 60%, and D) 10 to 60%. The viable bacterial counts in the abscess contents were also assessed.

Abscess↗
PubMed2004

Perianal abscess: a pilot study comparing packing with nonpacking of the abscess cavity.

PURPOSE: Perianal sepsis is traditionally treated by incision and drainage, with packing of the residual cavity until healing. This study was designed to show that perianal abscess may be safely treated by incision and drainage alone. METHODS: Healing times, analgesic requirements, pain scores, abscess recurrence, and fistula rates were compared between two randomized groups treated with and without packing of perianal abscess cavities. RESULTS: Fifty patients were recruited (7 lost to follow-up): 20 in the packing and 23 in the nonpacking arm. The groups were comparable in terms of age and gender distribution, type and size of abscess, and the presence of a fistula at operation. Mean healing times were similar ( P = 0.214). The rate of abscess recurrence was similar ( P = 0.61). Postoperative fistula rates were similar ( P = 0.38). Pain scores at the first dressing change were similar ( P = 0.296). Although pain scores appeared much reduced in the nonpacking arm, this did not attain statistical significance. CONCLUSIONS: Our pilot study indicates that perianal abscesses can be managed safely without continued packing of the cavity without any obvious complications.

Abscess↗
PubMed1995

Endocarditis-associated paravalvular abscesses. Do clinical parameters predict the presence of abscess?

STUDY OBJECTIVE: To determine whether standard clinical and transthoracic echocardiographic criteria considered to be suggestive of the presence of endocarditis-associated paravalvular abscess are predictive of which patients would benefit from reliable but invasive transesophageal echocardiographic investigations for abscess. DESIGN: Retrospective chart review. SETTING: A 630-bed university hospital. PATIENTS: Forty-eight patients with 51 episodes of definite endocarditis and 24 paravalvular abscesses. MEASUREMENTS AND RESULTS: A comparison of abscess and nonabscess populations revealed that clinical parameters (patient demographics, valvular involvement, presence of a prosthesis, infection with a virulent organism, pericarditis, persistent fever, persistent bacteremia, congestive heart failure, history of intravenous drug use, embolization) and transthoracic echocardiographic parameters were insensitive predictors of the presence of abscess. The only statistically significant correlate was the presence of previously undetected atrioventricular or bundle branch block. Paravalvular abscesses were common in our population and were associated with increased mortality. Improved survival correlated with the absence of mitral valve involvement and the absence of moderate-to-severe congestive heart failure. CONCLUSIONS: Given the accuracy and safety of transesophageal echocardiography and the unreliability of clinical and transthoracic echocardiographic criteria, we recommend that transesophageal echocardiography be considered in all endocarditis patients with previously unrecognized conduction disturbances, aortic or prosthetic valve involvement, or both, or indications for valve replacement, or all of the foregoing.

Abscess↗
PubMed1998

A vanishing liver abscess complicated with Klebsiella pneumoniae chest wall abscess: a case report.

Septic metastasis is a unique feature of Klebsiella pneumoniae liver abscess in Taiwan. The case we report is a vanishing K. pneumoniae liver abscess with septic metastasis of the chest wall. The initial finding of a 36 year-old male with no previous medical history, was a huge hepatic mass presented on the sonography during a physical checkup. Hepatitis B, C serology, tumor markers and evidence of metastatic diseases were all negative. A computerized tomography examination was also inconclusive about its nature. Due to the patient's refusal of a liver biopsy, only oral antibiotics were medicated at the outpatient department. Unexpectedly, the follow-up computerized tomography, taken 4 weeks later, demonstrated that the liver mass was nearly absent, while a protruding painful lesion developed over the right chest wall. Under sono-guided aspiration, the chest wall mass was proved to be a pyogenic abscess. The Gram stain revealed gram-negative bacilli and the bacterial culture yielded K. pneumoniae. Under the impression of K. pneumoniae liver abscess with chest wall septic metastasis, after performing percutaneous drainage of the chest wall abscess, the patient was only given parenteral antibiotics for treatment. Both the liver and the chest wall abscesses were at last completely eradicated.

Adult↗
PubMed2000

[Psoas abscess caused by nephrolithiasis with perirenal abscess complicated with pleural effusion].

Left pleural effusion was found in a 60-year-old woman in whom chest radiography performed during a physical check up revealed no abnormality. Abdominal CT scanning revealed an abscess in the left psoas muscle. The psoas abscess was eliminated temporarily by drainage under ultrasonographic guidance and by the administration of antibiotics, but recurred one month later. A stag-horn renal stone considered to have caused the psoas abscess by formation of a perirenal abscess was eliminated by left nephrectomy. It is suggested tentatively that the psoas abscess might have been the cause of the pleural effusion.

Abscess↗
PubMed2001

[A case of pneumonia, septic pulmonary embolisms with cavities, bilateral large lung abscesses, and multiple liver abscesses caused by Klebsiella pneumoniae].

A 64-year-old man suffering from diabetic hyperosmolar non-ketotic coma was admitted for acute lung abscess in the left apical lung field. Sputum culture and blood culture showed a heavy growth of Klebsiella pneumoniae (K. pneumoniae). He was suffering from sepsis, septic pulmonary embolisms with cavities, bilateral pulmonary consolidations, and multiple liver abscesses. Gradually, the bilateral lung consolidations resolved and areas of consolidation were noted to undergo extensive cavitation bilaterally. Cavitation and abscess formation are frequent complications of K. pneumoniae. Generally, large bilateral lung abscesses caused by K. pneumoniae have a poor prognosis. Cavity nodules are often present in septic pulmonary embolisms. We report a very rare case in a patient with three types of cavities with differing mechanisms. The first was an acute lung abscess, the second, septic pulmonary embolisms with cavities, and the third, large bilateral lung cavities noted in the course of resolving consolidations.

Bacteremia↗
PubMed1999

The development of a pancreatic abscess, suppurative pylethrombosis, and multiple hepatic abscesses after a pancreatojejunostomy for chronic pancreatitis: report of a case.

We present herein an autopsy case of 63-year-old Japanese man who died as a result of pancreatic abscess, suppurative pylethrombosis, and multiple liver abscesses that had developed 10 years after a pancreato- and cystojejunostomy with side-to-side anastomosis for chronic pancreatitis. Even after this operation, the patient had continued to consume excessive amounts of alcohol. He had first experienced back pain with leukocytosis 9 years after the operation, which relapsed the following year. Despite percutaneous transhepatic gallbladder drainage, his icterus had deteriorated into hepatic insufficiency. Computed tomographic scans of the abdomen had disclosed multiple liver abscesses. At autopsy, a pancreatic abscess and suppurative pylethrombosis as well as multiple liver abscesses were found. There have been few reported cases of such lethal complications developing after a pancreato- and cystojejunostomy for chronic pancreatitis. As the consumption of alcohol would have exacerbated the chronic pancreatitis, such patients should be strongly advised to abstain from drinking alcohol.

Alcohol Drinking↗
PubMed1998

Sinusitis-associated epidural abscess presenting as posterior scalp abscess--a case report.

Complications of paranasal sinusitis constitute true surgical and medical emergencies. These complications appear to be more prevalent and seem to present in a more fulminant manner in the pediatric age group. The most common complication of paranasal sinusitis is orbital cellulitis followed collectively by all the intracranial complications. These include meningitis, subdural empyema, intracerebral abscess, epidural abscess and rarely cavernous or superior sagittal sinus thrombosis. We report the case of a 7-year old boy who presented with posterior scalp cellulitis and abscess as a complication of minimally symptomatic paranasal sinusitis. A combined neurosurgical and otolaryngologic approach was required to treat a unilateral ethmoid and frontal sinusitis associated with an epidural abscess abutting the length of the superior sagittal sinus and a posterior subgaleal abscess. The pertinent anatomy allowing for the development of this disease process is discussed. The danger of neurologic sequellae resulting from thrombosis of the superior sagittal sinus is emphasized. Aggressive treatment utilizing a multi-disciplinary surgical approach as well as broad spectrum antibiotics is paramount to obtain the best chance for a full recovery.

Abscess↗
PubMed2002

Diverticular abscess presenting as prostate abscess and missed by abdominal CT scan.

This is a case report of sigmoid diverticular abscess presenting as prostate abscess. Helical computed tomography (CT) scan revealed the prostate abscess but failed to demonstrate the underlying diverticular abscess. Colonic diverticular abscess can have many unusual presentations, and multiple imaging modalities may be required to reveal the underlying pathology. Abdominal CT scan is not always a definitive and absolute imaging modality for abdominal pain evaluation and cannot supplant clinical judgment in the evaluation of confusing cases.

Abdominal Pain↗
PubMed2005

Primary brucellar psoas abscess: presentation of a rare case of psoas abscess caused by Brucella melitensis without any osteoarticular involvement.

The psoas abscess is an entity, sometimes forgotten in our daily practice, because of infrequency and difficulties in diagnosis. Primary psoas abscess is very rare and gram-positive micro-organisms account for more than 80% of the cases. Our case, a 62-year-old man was admitted with a 5-year history of back pain and fever. Physical examination was normal, except a palpable hepatomegaly with a mild tenderness over his lower right abdominal quadrant. The Brucella agglutination test was strongly positive with a titre of 1/640, as Rose Bengal Spot test. Blood cultures for brucella were positive on the fourth day and became negative, as the specific therapy started. Further examination with ultrasonography and computed tomography revealed an abscess of 40 + 75 mm in the psoas muscle. Complete resolution of symptoms achieved within 6 weeks. Although clinical presentation of psoas abscesses is often similar and non-specific, early aetiological diagnosis is extremely important, because of high achievement with appropriate antibiotic regimens. Brucellar psoas abscess seems very rare even in Turkey, where Brucella is still highly endemic. Such a case has not been previously reported from Turkey, as far as we know.

Brucella melitensis↗