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PubMed1993

Outpatient parenteral antibiotic therapy. Management of serious infections. Part II: Amenable infections and models for delivery. Cellulitis.

Most patients with cellulitis can be managed on an outpatient basis, frequently with a single dose of parenteral antibiotic followed by oral therapy. Cellulitis must first be differentiated from more serious soft tissue infections that require aggressive inpatient therapy and perhaps surgery. Patients with preexisting medical conditions, such as diabetes, need to be carefully followed if treated as outpatients.

Ambulatory Care↗
PubMed2000

Possible role of cellular immunity: a case of cellulitis.

On the basis of the observation that there was a "skip" area in an otherwise diffuse drug eruption where cellulitis had previously occurred, it is theorized that both delayed hypersensitivity type of dermatologic drug reaction and cellulitis share pathogenic mechanisms.

Cellulitis↗
PubMed2002

Once-daily intravenous cefazolin plus oral probenecid is equivalent to once-daily intravenous ceftriaxone plus oral placebo for the treatment of moderate-to-severe cellulitis in adults.

A once-daily regimen of cefazolin (2 g intravenously [iv]) plus probenecid (1 g by mouth) was compared with a once-daily regimen of ceftriaxone (1 g iv) plus oral placebo in a randomized, double-blind equivalence trial of home-based therapy for moderate-to-severe cellulitis in adults. For the assessable recipients of cefazolin-probenecid (n=59) and ceftriaxone-placebo (n=57), clinical cure occurred at the end of treatment in 86% and 96% (P=.11), respectively, and was maintained at 1 month of follow-up in 96% and 91% (P=.55), respectively. The mean number of treatment doses (+/-standard deviation) given was similar in the 2 treatment arms (6.97+/-2.6 for cefazolin-probenecid and 6.12+/-2.1 for ceftriaxone-placebo; P=.06). The median antibiotic trough concentrations were 2.35 microgram/mL for cefazolin and 15.45 microgram/mL for ceftriaxone. Patients in the 2 treatment arms were similar with regard to overall rates of adverse reaction (P=.15), but nausea was more common among those in the cefazolin-probenecid arm (P=.048). The once-daily regimen of cefazolin-probenecid is a cheap, practical, and effective treatment option for moderate-to-severe cellulitis, and it avoids the need to use third-generation cephalosporins in most patients.

Administration, Oral↗
PubMed1998

Campylobacter fetus subspecies fetus cellulitis associated with bacteremia in debilitated hosts.

Campylobacter fetus subspecies fetus rarely causes celluitis associated with bacteremia in debilitated hosts. We have identified this infection in two patients with systemic lupus erythematosus and in one with liver cirrhosis. All three patients had eaten raw beef, liver, or improperly cooked pork before the manifestations of the illness. C. fetus subspecies fetus was recovered from blood and feces from the three patients. This organism was also isolated from a subcutaneous aspirate of the cellulitis lesion in one patient. DNA macrorestriction endonuclease profiles analyzed by pulsed field gel electrophoresis differed for the isolates from the three patients but were identical for the blood and fecal isolates or the aspirate and fecal isolates from each patient. These findings suggest that cellulitis associated with bacteremia arises from ingestion of C. fetus subspecies fetus organisms and that clinicians and microbiologists should be aware of this infection in debilitated hosts.

Adult↗
PubMed2000

Antibiotic treatment of orbital cellulitis: an analysis of pathogenic bacteria and bacterial susceptibility.

The proper choice of effective antibiotics is a mainstay for the treatment of orbital cellulitis. The lack of native data regarding the microorganism causing the infection and its antibiotic sensitivity prompted us to conduct this study. We retrospectively collected 29 cases of orbital cellulitis admitted to Chung-Ho Memorial Hospital of Kaohsiung Medical College from January 1994 to September 1998. The effectiveness of antibiotics with bacterial susceptibility was analyzed. Of the 29 cases, fifteen were male and fourteen female. The patients ranged in age from 7 months to 79 years (mean, 37.6 years). Sinusitis (9 cases, 31.0%) is the most common etiology. Fourteen cases received both medical and surgical treatments. Eighteen cases had purulent discharge from the infection areas sent for culture isolation of the microorganism. The culture positive rate was 50% (9 in 18 cases). The Staphylococcus aureus (5 cases) was the most common pathogen. The bacterial susceptibility test showed drug resistance of 100% for penicillin G (seven out of seven cases; 7/7), 100% for ampicillin (10/10), and 0% for amikacin (0/3) and vancomycin (0/7). Penicillin and ampicillin are not effective for those isolated bacteria. Oxacillin and gentamicin, frequently used in first line treatment, might encounter drug resistance in some cases. Amikacin and vancomycin, without any resistance in bacterial susceptibility tests, could be used in vision-threatening, critical, and intractable cases.

Adolescent↗
PubMedDate not supplied

Cellulitis due to Pseudomonas putrefaciens: possible production of exotoxins.

Pseudomonas putrefaciens has been described as a rare cause of both lower-limb cellulitis and septicemic illness with significant morbidity. We report a case of P. putrefaciens infection in a patient with refractory lower-limb cellulitis and ulceration complicated by thrombocytopenia, hypotension, and mental obtundation in the apparent absence of bacteremia. This scenario raises the possibility of significant production of exotoxins by P. putrefaciens in vivo.

Aged↗
PubMed1993

Cellulitis caused by Legionella pneumophila.

A patient with lymphoma presented with pneumonia. While receiving antibiotics, he developed a rapidly spreading cellulitis. The soft tissues were debrided in the operating room, and pathological examination showed fat necrosis and a fibrinopurulent exudate in the fibroadipose tissue; direct immunofluorescence of the debrided tissue revealed the presence of Legionella pneumophila. Culture of the specimen obtained during the operation yielded L. pneumophila. To our knowledge, this represents the first case report of cellulitis due to L. pneumophila.

Aged↗
PubMed1995

Multifocal cellulitis and monoarticular arthritis as manifestations of Helicobacter cinaedi bacteremia.

Helicobacter cinaedi (formerly Campylobacter cinaedi) was first detected in the fecal flora of homosexual men. Since 1984, 11 case reports of H. cinaedi bacteremia have been published; most cases have presented as a nonspecific febrile illness in homosexual men infected with the human immunodeficiency virus (HIV). We identified seven additional cases of H. cinaedi bacteremia in two Denver hospitals within a 5-year period, which suggests that this illness is not as rare as was previously thought. Six of these cases of H. cinaedi bacteremia occurred in homosexual men who were infected with HIV. Four patients presented with the distinctive cutaneous manifestation of multifocal cellulitis, and two patients had monoarticular arthritis. Microbiological diagnosis of this infection was delayed by the slow growth of the bacterium in nonradiometric blood culture bottles. Although the patients' bacteremia was prolonged, their response to treatment was excellent. In contrast to campylobacter infections in HIV-infected patients, H. cinaedi bacteremia did not relapse after a course of effective therapy. H. cinaedi bacteremia should be suspected in HIV-infected individuals who present with an indolent febrile illness, particularly in the presence of multifocal cellulitis and/or arthritis.

AIDS-Related Opportunistic Infections↗
PubMed2001

The efficacy of continuous infusion flucloxacillin in home therapy for serious staphylococcal infections and cellulitis.

The efficacy and safety of continuous infusion flucloxacillin as home-based treatment was assessed in 62 consecutive patients with proven serious methicillin-susceptible Staphylococcus aureus (MSSA) infections (n = 36) and cellulitis (n = 26). The treatment was well tolerated and resulted in cure or adequate suppression of infection in 27 of 28 (96%) patients in the serious MSSA infection group, and in 24 of 26 (92%) patients in the cellulitis group.

Adult↗
PubMed1989

Vibrio cholerae non-O1 infection presenting as localized cellulitis.

Vibrio cholerae non-O1 characteristically causes gastrointestinal illness but can occasionally be responsible for extra-intestinal infections. The authors report an unusual case of a man presenting with extensive cellulitis that did not improve with conventional antimicrobial therapy. Vibrio cholerae non-O1 was later isolated from a cutaneous bulla. Although he had severe hepatic cirrhosis, the infection remained confined to the cutaneous tissues and he was never bacteremic. He improved dramatically with surgical debridement in conjunction with antibiotics. It is important to consider Vibrio cholerae non-O1 as a cause of cellulitis, especially in endemic areas.

Cellulitis↗
PubMed1996

Case report: acute cellulitis and lymphadenitis caused by mucoid Streptococcus pyogenes.

Most patients with acute cellulitis due to Streptococcus pyogenes have a striking onset of high fever and systemic toxicity. Even if hospitalization is deemed necessary for initial treatment, most patients respond promptly to appropriate antibiotic therapy and can be managed as outpatients for most of the treatment regimen. Described is a 48-year-old, previously healthy woman with acute cellulitis and lymphadenitis who did not initially respond to treatment despite proved in vitro activity against the patient's S. pyogenes isolate. The strain grew as a mucoid colony phenotype on blood agar plates. The mucoid characteristic of the strain may have accounted for the patient's lack of response to initial therapy, and previously published clinical and laboratory data support this impression.

Acute Disease↗
PubMed1993

Necrotizing periorbital cellulitis.

We report traumatic necrotizing periorbital cellulitis attributed to group A beta-hemolytic streptococci in a 4-year-old child. The infection was successfully treated via surgical cleansing, drainage, and grafting. The virulence of this organism requires an aggressive approach to the patient with periorbital cellulitis, which is refractory to intravenous antibiotics. Early treatment may limit extensive eyelid necrosis, the resultant secondary deformity, and the need for multiple reconstructive procedures.

Cellulitis↗
PubMed1987

Orbital cellulitis with periosteal elevation.

Computerized tomography scan evidence of periosteal elevation in patients with orbital cellulitis is interpreted in the current medical literature as an indication of subperiosteal abscess. We present three such cases in which surgical drainage yielded clear fluid or granulation tissue rather than pus. A fourth case resolved on antibiotic therapy alone. Cases of periosteal elevation that resolve without surgery may represent inflammatory effusion, infections of lesser virulence, or propagation of granulation tissue rather than true abscesses. We suggest that periosteal elevation seen in patients with orbital cellulitis should represent a relative rather than an absolute indication for drainage surgery.

Abscess↗
PubMed1988

Atypical radionuclide scan appearance in cellulitis due to group A streptococcus.

The scintigraphic manifestations of cellulitis consist of a diffuse increase in activity in the affected soft tissues without a focal increase in activity in the bone. The radionuclide images in two children with Group A streptococcal cellulitis were atypical, as no increased activity was noted in the soft tissues. The false-negative radionuclide images in these children is attributed to the marked amount of edema present at the sites of infection.

Bone and Bones↗
PubMed1985

Thrombophlebitis and cellulitis due to Campylobacter fetus ssp. fetus. Report of four cases and a review of the literature.

Four cases of acute thrombophlebitis and cellulitis due to C. fetus ssp. fetus are reported, with a review of 18 previously reported cases. Vascular infection with thrombophlebitis due to C. fetus ssp. fetus occurred predominantly in adult male patients with underlying debilitating, immunocompromising illnesses resulting in a mortality rate of 32%. Although approximately one-third of the patients had exposure to known reservoirs of C. fetus ssp. fetus, none of the patients presented with diarrhea, and only one of the cases had C. fetus ssp. fetus recovered from stool culture. Diagnosis of C. fetus ssp. fetus thrombophlebitis or cellulitis is based on clinical suspicion and recovery of the agent from blood culture; the latter requires an average incubation period of 8 days. Empiric therapy with erythromycin, and an aminoglycoside or chloramphenicol is recommended in suspect patients pending results of blood cultures.

Adult↗
PubMed1991

Pseudomonas aeruginosa cellulitis and ecthyma gangrenosum in immunocompromised children.

Pseudomonas aeruginosa skin infections are generally considered to be secondary manifestations of disseminated disease. A retrospective analysis of all cases of P. aeruginosa skin infections seen at St. Jude Children's Research Hospital since 1962 revealed 16 episodes of the infection (ecthyma gangrenosum, 8 episodes, 7 patients; cellulitis, 8 episodes, 7 patients) in which blood cultures were uniformly negative for P. aeruginosa. All cases were identified while the patients were receiving ambulatory care. Five episodes developed while the patients' neutrophil counts were greater than 1 x 10(9) cells/liter. Eight patients had acute lymphoblastic leukemia, 2 had acute myeloid leukemia, 2 had aplastic anemia, 1 had transient agranulocytosis and 1 had cyclic neutropenia. There were no solid tumor patients. Although patients received different antibiotic combinations, all had resolutions of their lesions without fatal complications. Patients diagnosed as having cellulitis required a mean of 9.2 days of treatment with intravenous antibiotics, as compared with 17.8 days for those with ecthyma gangrenosum (P less than 0.05 by the Wilcoxon test). These observations show that P. aeruginosa skin infections can develop in the absence of bacteremia in immunocompromised children.

Adolescent↗
PubMed2001

Vibrio cholerae non-O1 facial cellulitis in a North Queensland, Australian child.

Vibrio cholerae is an uncommon cause of cellulitis in Australia. Most reported cases worldwide have involved marine or brackish water contact. A recognized risk factor for acquiring this infection is chronic liver disease secondary to hepatitis B. We describe a case of extensive facial cellulitis caused by Vibrio cholerae non-O1, non-0139, in an 11-year-old indigenous girl from North Queensland, Australia, who was hepatitis B surface antigen-negative. Treatment consisted of extensive debridement, antibiotics, hyperbaric oxygen and facial reconstructive surgery. Early microbiologic diagnosis and a combined therapeutic approach are important in the management of this condition.

Australia↗
PubMed1988

Haemophilus influenzae cellulitis of the extremities.

A brief case report is described of a 10-month-old male with Haemophilus influenzae cellulitis of the upper extremity. A review of the literature concerning this pathogen in extremity cellulitis follows, with discussion of epidemiology, site of infection, response to therapy, and possible pathogenesis.

Anti-Bacterial Agents↗