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Query: UMLS:C0036690 (sepsis)
 59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The mouse model of intraperitoneal sepsis with Proteus rettgeri was used to evaluate the anti-endotoxic effect of polymyxin B sulfate. An unexpected reversal of the usual protective effect of polymyxin in experimental enterobacterial sepsis was observed in which the lethality of the infection was enhanced.
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PMID:Lethal effect of polymyxin B sulfate in experimental Proteus rettgeri infection in mice. 625 Jun 90

During 31 months of study, 808 patients with polymicrobial surgical infection were randomized for antibiotic therapy between a third-generation cephalosporin (moxalactam disodium [149], cefotaxime sodium [125], and cefoperazone sodium [141]) and the combination of gentamicin sulfate plus clindamycin (393). Results based on antibiotic therapy included the following: cure in 83% given cephalosporin, 73% with antibiotic combination; control but recurrent sepsis in 7% and 15%; and failure in 4% and 8%, respectively. Such data support the tenet that third-generation cephalosporins are at least equal, if not superior, to the combination of gentamicin plus clindamycin for treatment of polymicrobial surgical sepsis.
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PMID:Third-generation cephalosporins for polymicrobial surgical sepsis. 629 39

Single doses of clindamycin hydrochloride and gentamicin sulfate given preoperatively, combined with intraoperative topical application of povidone-iodine were given to patients with perforated or gangrenous appendicitis. The incidence of wound sepsis was reduced from 36% to 5%; severe infections were reduced from 25% to 0% when compared with a control untreated group of patients. When used alone, povidone-iodine had little effect in these patients. No toxic effects of the antibiotics or antiseptic were recorded nor were any resistant strains of pathogenic organisms grown from cultures.
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PMID:Combined preoperative antibiotic therapy and intraoperative topical povidone-iodine. Reduction of wound sepsis following emergency appendectomy. 637 44

A total of 47 patients with relapsed or primarily refractory leukemia were treated with mitoxantrone alone or in combination with vincristine sulfate and prednisone or cytarabine. Eligible patients included those with adequate renal and hepatic function, normal left ventricular ejection fraction, and those who had received previous treatment. When mitoxantrone was given alone in a once daily times five schedule, 5 of 12 acute lymphoblastic leukemia patients achieved complete remission; 4 of these patients had been refractory to reinduction and 1 to induction chemotherapy with anthracycline-containing treatments. Four of these patients had progressive disease, and three died during induction. Of 12 patients with acute myeloid leukemia, 1 had a complete remission, 1 had a partial remission, 8 had progressive disease, and 2 died during induction. Mitoxantrone was also found to be active in two patients in the blastic transformation of chronic myeloid leukemia with a response in one patient lasting 17 weeks. Combinations of mitoxantrone with vincristine sulfate and prednisone resulted in complete remission in four of nine acute lymphoblastic leukemia patients and one of four patients with Tdt-positive chronic myeloid leukemia in blast crisis. Three of these patients had not experienced a prior remission following anthracycline-containing treatments. Partial remission occurred in two of the acute lymphoblastic leukemia patients and one of the Tdt-positive chronic myeloid leukemia patients. Two of this latter group of patients died in induction. Treatment with mitoxantrone and cytarabine resulted in two acute myeloid leukemia patients achieving complete remission and one a partial remission; two patients had progressive disease, and one died in induction. No response was seen in a patient with Tdt-negative chronic myeloid leukemia after two courses of treatment. One patient with acute leukemia in the course of myelofibrosis died in induction. All the patients achieving complete remission are alive and have been in complete remission from 2 to 12 months. Side effects included mild nausea and vomiting in 9 of 13 patients treated with the mitoxantrone-vincristine sulfate-prednisone combination, and in 3 of 8 patients treated with the mitoxantrone-cytarabine combination. Other side effects of the combination treatments include drug-induced oral mucositis (of a lesser degree than with mitoxantrone alone), transient hepatic abnormalities, and infectious complications, such as sepsis, Candida sp colonization of the upper digestive tract, and soft tissue cellulitis, in a few patients.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:Mitoxantrone as a single agent and in combination chemotherapy in patients with refractory acute leukemia. 638 64

A new treatment program was developed in an attempt to increase the complete remission rate and survival of previously untreated patients with advanced stages of diffuse aggressive lymphomas. A flexible number of cycles of ProMACE chemotherapy (prednisone, methotrexate, doxorubicin, cyclophosphamide, and epipodophyllotoxin VP-16) was alternated with a flexible number of cycles of MOPP chemotherapy (mechlorethamine, vincristine sulfate, procarbazine, and prednisone), and finally late intensification with ProMACE therapy was given. The duration of each phase of treatment was determined by the patient's rate of tumor response. Complete remissions were achieved in 55 of 74 patients (74%) with a median duration of follow-up exceeding 2 1/2 years. Only ten of the complete responders (18%) have had relapse. The dose-limiting toxicity is myelosuppression, and eight patients (10%) died from sepsis. Median survival for all patients has not been reached but is predicted to exceed 4 years with 65% of patients alive at 4 years. Previously we achieved a 46% complete remission rate with 38% of all patients alive at 4 years; relapse-free survival beyond 2 years was tantamount to cure. Therefore, ProMACE-MOPP chemotherapy represents a substantial improvement in treating patients with diffuse aggressive lymphomas.
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PMID:Diffuse aggressive lymphomas: increased survival after alternating flexible sequences of proMACE and MOPP chemotherapy. 660 Sep 2

Endocarditis and unilateral endophthalmitis due to Actinobacillus actinomycetemcomitans heart disease. The ocular infection was notable for its localized presentation and slow evolution. Treatment with systemic, subconjunctival, and topical gentamicin sulfate and ampicillin sodium achieved 20/20 acuity with a residual chorioretinal scar in the nasal periphery. Intravitreal injection of the organism into a rabbit confirmed its minimal pathogenicity within the eye. This organism must now be considered in patients with differential diagnosis of endogenous endophthalmitis complicating endocarditis and septicemia.
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PMID:Actinobacillus actinomycetemcomitans endophthalmitis with subacute endocarditis. 660 7

It has been shown previously that soluble material extracted from Pasteurella multocida P-1059 by a 2.5% NaCl solution protects turkeys from generalized septicemia at a subsequent challenge exposure to the organism. In the present study, a protective antigen was purified from the crude soluble material by chromatographic methods. Four protein peaks were obtained by gel filtration with Sephadex G-200. The protective antigen was detected only in the first peak fraction, which contained a substantial amount of carbohydrate. The peak 1 fraction was adsorbed onto DEAE-cellulose and eluted by a linear gradient of NaCl. Fractions corresponding to a single protein peak were pooled and passed through an immunoadsorbent column to remove any possible serum component originating from the growth medium. The purified antigen had a carbohydrate/protein ratio of 1.5 and formed a single precipitin line with rabbit antiserum against the crude material in gel diffusion and immunoelectrophoresis analyses. The antigen produced antibodies in rabbits and turkeys which formed a single precipitin line against the crude material. Upon sodium dodecyl sulfate-polyacryl-amide gel electrophoresis, the purified antigen showed three protein bands, corresponding to molecular weights of 44,000, 31,000, and 25,000, and one carbohydrate band. The carbohydrate band did not correspond to any of the three protein bands. Upon isoelectric focusing gel analysis, the purified antigen showed two bands (pI = 3.5 to 4.0 and 4.5 to 5.5), but the two bands were antigenically identical by isoelectric focusing crossed immunoelectrophoresis. The 50% protective dose of the purified antigen was between 10 and 50 mug of protein in trials where two doses were given at 14-day intervals to 10- to 20-week-old turkeys.
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PMID:Purification of a protective antigen from a saline extract of Pasteurella multocida. 675 22

This study was designed to determine whether intravenously administered gentamicin sulfate and tobramycin sulfate penetrate into the eschar of patients with severe burns. In addition, each antibiotic's pharmacokinetics in serum and the effect on eschar microbiology were determined. Twenty patients with suspected burn wound sepsis received either gentamicin or tobramycin. The microbiology of the baseline eschar was determined and repeated on days 2, 4, and 7. All patients had measurable aminoglycoside tissue concentrations, and elimination from serum was not unusually rapid. Thirteen patients had baseline eschar cultures positive for Pseudomonas aeruginosa or Serratia marcescens; eight patients were initially bacteremic. Pseudomonas aeruginosa strains were sensitive to both antibiotics and usually declined in concentration with time or were eliminated; the more drug-resistant isolates of S marcescens persisted or caused super-infection and bacteremia. Aminoglycoside antibiotics penetrate into burn eschar and appear to have a substantial effect on eschar microbiology.
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PMID:Gentamicin and tobramycin penetration into burn eschar. Pharmacokinetics and microbiological effects. 682 30

Twelve dogs with lymphosarcoma and hypercalcemia were treated over a period of 36 months. Signs and laboratory findings were referable to hypercalcemia and azotemia. All dogs were staged, classified histologically, and given cytoreductive chemotherapy, using 5 drugs (vincristine sulfate, cytosine arabinoside, cyclophosphamide, L-asparaginase and prednisone). For azotemia, symptomatic therapy (0.9% NaCl solution and furosemide) was given. Seven dogs responded completely, with marked reduction of lymphadenopathy and return of serum calcium concentration to normal. Median duration of remission in this group was 48 days (range, 14 to 93), and median survival time was 112 days (range, 85 to 153). Five nonresponding dogs had less than 50% reduction in measurable tumor mass, although serum calcium concentration returned to normal. The median survival time for this group was 34 days (range, 23 to 68). Two of the nonresponders died from sepsis and another from disseminated intravascular coagulation. Response to therapy did not appear to be influenced by age, breed, sex, initial calcium concentration, degree of azotemia, or histologic classification.
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PMID:Chemotherapeutic responses in dogs with lymphosarcoma and hypercalcemia. 689 39

The techniques of biotype determination and sodium dodecyl sulfate-polyacrylamide gel electrophoresis of outer membrane protein preparations were applied to 35 epidemiologically unrelated isolates of pathogenic nontypable Haemophilus influenzae. Three of five isolates obtained from the blood of unrelated newborns with sepsis had concordant major outer membrane from the blood of unrelated older children or adults with bacteremia had concordant major outer membrane protein profiles, distinct from the common profile of neonatal strains, and were biotype II. The outer membrane protein profiles of the remaining 5 isolates from blood, 2 isolated from cerebrospinal fluid, and 23 isolated from middle ear aspirates of children with otitis media were unique, although each isolate had peptides with apparent molecular weights of 16,000 and 31,500. These results suggest that a subset of nontypable isolates associated with bacteremia has distinctive strain markers. Their pathogenicity may relate to a prediction for colonizing the female genital tract in the case of the common neonatal strain or an increased ability to evade host defenses.
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PMID:Outer membrane protein and biotype analysis of pathogenic nontypable Haemophilus influenzae. 697 11


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