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At least 865 records · Page 48Linked to original sources
PubMed1976

A rationale for intraperitoneally administered antibiotic therapy.

A satisfactory clinical response occurred in 96.7 per cent of 210 patients with proved bacterial peritonitis following appropriate surgical intervention and an antimicrobial regimen of 1 per cent cephalothin administered intraperitoneally, with supplementary antibiotics as indicated. Instillation of cephalothin achieves the therapeutic benefits of high intraperitoneal levels with an antibiotic of broad activity and minimum toxicity and permits flexibility in the choice of additional antimicrobial therapy. Adjuvant therapy with cephalothin did not result in peritoneal adhesions or significant abdominal pain. Clinical experience suggests that it may promote healing of anastomotic leaks. The results of this study indicate that intraperitoneally administered cephalothin is a significant factor in lowering the death rate in peritonitis.

Cephalothin↗
PubMed1976

Infected aortic bifurcation grafts: experience with fourteen patients.

The experience with 14 patients with infected aortic bifurcation grafts has been reviewed. Factors which appeared to predispose to infection in 11 patients included "re-do" operations, concomitant cholecystectomy or gastrostomy, and ruptured abdominal aneurysm. A mixture of gastrointestinal organisms was responsible for the infections. The pathogenesis, presentation, and treatment varied according to whether the proximal or distal anastomosis was involved or not. Aortoduodenal communications were present in five patients; they presented with gastrointestinal bleeding or septicemia. One patient survived as a result of early, aggressive surgical therapy. Infection presented at the distal anastomosis in nine patients, either as groin abscess or false aneurysm. Conservative therapy failed in the majority of patients but apparently was successful in three of five patients in whom infection did not involve the intra-abdominal portion of the graft. When infection does involve the intra-abdominal portion of the graft, then the graft must be excised also. Revascularization often can be accomplished with extra-anatomic bypasses of prosthesis or autogenous material, depending on the characteristics of the individual patient. Regardless of the mode of presentation or the site of infection, the early institution of judicious surgical management offers the best chance of success in these patients, and temporization usually leads to failure.

Aortic Aneurysm↗
PubMed1975

Herd studies on coliform mastitis.

Escherichia coli, Enterobacter aerogenes, and Klebsiella pneumoniae were responsible for 63, 10, and 11 percent, respectively, of 158 coliform organisms recovered from mastitis cases in 8 California herds. The severity and nature of the coliform mastitis problem were found to vary greatly among herds but were characteristic for each of 4 herds studied in detail.

Animals↗
PubMed1991

The production and activity in vivo of Proteus mirabilis IgA protease in infections of the urinary tract.

Immunoblotting of urine from 21 patients of both sexes and of wide age range who had a Proteus mirabilis urinary tract infection (UTI) showed that 14 (64%) specimens contained immunoglobulin A (IgA). In nine (64%) of these the IgA heavy chain had been degraded to fragments of a size identical to those formed when purified IgA was degraded by pure P. mirabilis protease. Urine from patients with clinical evidence of upper UTI contained fragmented IgA and in some of these urine samples P. mirabilis protease activity was detectable. Urine infected with a non-proteolytic strain contained only intact IgA. It is concluded that P. mirabilis IgA protease is produced and is active during infections of the urinary tract.

Adolescent↗
PubMed1990

A simple technique for studying struvite crystal growth in vitro.

Struvite urolithiasis forms as a consequence of a urinary tract infection by urease-producing species of bacteria such as Proteus mirabilis. Ammonia, produced by the enzymatic hydrolysis of urea, elevates urine pH causing a supersaturation and precipitation of Mg++ as struvite (NH4MgPO4). Calcium often precipitates as well, forming the mineral carbonate-apatite (Ca10(PO4)6CO3). We have developed a procedure based on direct observation by light microscopy whereby struvite crystal growth can be quickly monitored in response to chemical changes in urine. As struvite crystals assume a characteristic shape or crystal habit based on their growth rate, the effect of urine chemistry and the action of various crystallization or urease inhibitors on struvite formation can be quickly shown. In addition preliminary effects of alkaline pH, or the presence of toxic compounds on bacteria can also be shown through their loss of motility.

Crystallization↗
PubMed1996

Preputial condition and urinary tract infections.

Recently, an increase in incidences of urinary tract infections in uncircumcised male infants has been reported. However, determining what is the best management for the prepuce of newborns and infants is still to be solved. I investigated prospectively how much foreskins are retracted with age and what correlations it has with urinary tract infection in 122 males children below 15 years of age. Under 6 months of age, the majority of the foreskins were unretractable. As they got older, over 3 years of age, their prepuces became retractable. The incidence of bacteriuria was 11.4% in uncircumcised but none in circumcised and hypospadias. In 8 patients showing bacteriuria, their foreskins were retracted below 25% in length. Among them, 5 patients, in whom E. coli were grown in their urine, showed radiologic renal abnormalities and suffered from high fever indicating systemic infection. However, the other 3 cases infected by Proteus mirabilis in their urine complained of only local penile symptoms.

Adolescent↗
PubMed1982

[Pathological anatomy and pathogenesis of small intestine lesions due to opportunistic enterobacteria (Proteus and Klebsiella)].

Infection with opportunistic agents was reproduced in rabbits by introduction of Proteus and Klebsiella bacteria into a section of the narrowed (but not ligated) small intestine. The presence of infection was documented by clinical signs, isolation of the causative agents, and immunological changes. Light and electron microscopy revealed an inflammatory process of the type of catarrhal enteritis with predominant involvement of the epithelial sheet ("epithelitis") and reactive changes in the base of the mucous membrane and submucous layer. Morphological differences of the infections caused by Proteus and Klebsiella were demonstrated. The level and intensity of pathological changes appear to be associated with the degree of conditionality of the pathogenic properties of enterobacteria.

Animals↗