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Biomedical subjects

A Morris

Publications and source records attributed to A Morris.

At least 19 recordsLinked to original sources
PubMed2006

Time use patterns among women with rheumatoid arthritis: association with functional limitations and psychological status.

OBJECTIVES: This study assessed time use patterns among 375 women with rheumatoid arthritis (RA). We hypothesized that (i) as functional limitations increased, time use imbalances would occur (i.e. time needed for obligatory activities would conflict with time needed for productive and free-time activities) and (ii) time use imbalances would be associated with psychological distress. METHODS: Time use estimates were obtained from written questionnaires; other study data were collected from annual telephone interviews. Activities were categorized as obligatory, committed or discretionary, as defined by Verbrugge. Time use estimates were aggregated to define number of obligatory (e.g. self-care) activities requiring >2 h/day and a number of committed and discretionary activities in which no time was spent each day. RESULTS: After adjusting for age, education, marital status and pain severity, women with more functional limitations were significantly more likely to spend >2 h/day in obligatory activities. As functional limitations increased, the proportion spending no time in each committed activity and many discretionary activities increased. Spending >2 h/day in obligatory activities was not significantly associated with poor psychological status, but spending no time in a greater number of committed and discretionary activities was associated with lower life satisfaction and higher levels of depressive symptoms. CONCLUSIONS: Having more severe functional limitations appears to shift time use patterns towards more time spent in obligatory activities and less time spent in committed and discretionary activities. These imbalances in time use were associated with psychological distress, highlighting the need for women with RA to maintain important productive, social and discretionary activities.

Activities of Daily Living↗
PubMed2006

Immunogenicity and protective efficacy of a recombinant filamentous haemagglutinin from Bordetella pertussis.

Bordetella pertussis is the causative agent of whooping cough, a major childhood pathogen; acellular vaccines consisting of purified B. pertussis antigens such as filamentous haemagglutinin (FHA) are commonly used to prevent pertussis. Despite the importance of FHA in B. pertussis pathogenesis and its inclusion in most acellular vaccines, the functional importance of individual domains in the induction of protective immunity is largely unknown. In this study, we have purified a recombinant FHA protein from Escherichia coli consisting of a 42 kDa maltose binding domain of E. coli and the 43 kDa type I immunodominant domain of FHA. The fusion protein (Mal85) was purified from E. coli cell lysates via affinity chromatography with an amylose column. Mal85 was then delivered to BALB/c mice intranasally encapsulated in liposomes, formulated with Protollin(TM) or in conjunction with an immunostimulatory CpG oligonucleotide. Mice were also vaccinated intraperitoneally with alum-adsorbed Mal85. Sera from all treatment groups showed strong IgG responses to Mal85 and recognized native FHA. Specific salivary IgA was induced in mice vaccinated with Mal85 in liposomes, Protollin(TM) and delivered with CpG. Vaccination with Mal85 encapsulated in liposomes or formulated with Protollin(TM) provided protection against aerosol challenge with B. pertussis in BALB/c mice. These data indicate that the type I domain of FHA is a protective antigen in mice and may serve as a candidate for inclusion in new acellular pertussis vaccines.

Adhesins, Bacterial↗
PubMed2006

Practical experience of using directly observed procedures, mini clinical evaluation examinations, and peer observation in pre-registration house officer (FY1) trainees.

This paper describes an eight month experience with three of the four main assessment tools that will be used to validate the successful completion of the FY1 placement. The practical issues around the implementation of these new tools is of great concern to all involved in the management of postgraduate training and it is hoped that this paper will contribute some of the practical elements so far unavailable from Department of Health sources.

Clinical Competence↗
PubMed2006

Expression of a pertussis toxin S1 fragment by inducible promoters in oral Streptococcus and the induction of immune responses during oral colonization in mice.

Previous work aimed at developing a live oral vaccine expressing pertussis toxin S1 fragment on the surface of the bacterium Streptococcus gordonii elicited a lower than expected antibody response, perhaps because of low antigen expression. In this study, in-frame promoter fusions were constructed to investigate whether an increase in antigen production by the streptococcal vaccine strain results in a better antibody response. The promoters tested were (i) the Streptococcus mutans sucrose-inducible fructosyltransferase (ftf) promoter and (ii) the Bacillus subtilis/Escherichia coli chimeric tetracycline-inducible xyl/tetO promoter. Each of these two promoters was placed upstream of the spaP/s1 fusion gene to drive its expression. The constructs were introduced into S. gordonii DL1 and S. mutans 834. The inducibility of the promoters was confirmed through the determination of SpaP/S1 production via Western blottings. Induced production of SpaP/S1 was observed in S. gordonii and S. mutans with each of the promoters, but the level of expression was the highest in S. mutans, using the xyl/tetO promoter. Thus, S. mutans carrying the xyl/tetO/spaP/s1 construct (S. mutans PM14) was used in oral colonization studies in BALB/c mice. Streptococccus mutans PM14 was able to colonize the animals for the 14-week duration of experimentation. A mucosal IgA response was observed in all the treatment groups but was highest in mice receiving tetracycline induction. In the mouse model of Bordetella pertussis respiratory infection, animals colonized with S. mutans PM14 showed a decreased in B. pertussis lung colony count (P = 0.03) on day 3 compared with control mice colonized by the parent S. mutans 834.

Administration, Oral↗
PubMed2005

B-type natriuretic peptide can detect silent myocardial ischaemia in asymptomatic type 2 diabetes.

OBJECTIVE: To find out whether B-type natriuretic peptide (BNP) detects silent myocardial ischaemia in patients with type 2 diabetes, since many of these patients have silent ischaemia leading to unexpected cardiac deaths. DESIGN: Prospective cross-sectional study with consecutive recruitment of patients. SETTING: Outpatient, single centre. PATIENTS: 219 patients with type 2 diabetes. Patients were excluded if they had a history or evidence of cardiac failure. OUTCOME MEASURES: BNP, echocardiography and exercise tolerance test (ETT). BNP was compared with the ETT result in all patients and specifically in those who had no apparent ischaemic heart disease (IHD). RESULTS: 121 patients had no history of IHD or cardiac failure and of these patients 85 had a clearly abnormal or normal ETT result. BNP was higher in patients with an abnormal than with a normal ETT (mean 58.2 (SD 46.3) v 24.4 (SD 15.7) pg/ml, p < 0.001). In univariate analysis BNP was an independent predictor of an abnormal ETT (p < 0.001). In multivariate analysis BNP remained an independent predictor of the ETT result. BNP concentration over 20 pg/ml predicted an abnormal ETT result with a sensitivity of 87% and specificity of 37%, and BNP over 40 pg/ml had a sensitivity of 63% and a specificity of 81%. CONCLUSION: BNP is of value in predicting silent ischaemia on exercise testing in asymptomatic patients with type 2 diabetes.

Area Under Curve↗
PubMed2005

Prevalence and predictors of disability in valued life activities among individuals with rheumatoid arthritis.

OBJECTIVE: To identify the prevalence of disability in a wide range of life activities and identify factors associated with such disability using the Verbrugge and Jette disablement model as a framework. METHODS: Data were from a panel study of 548 individuals with rheumatoid arthritis, interviewed annually by telephone. Valued life activity (VLA) disability was assessed using a 26-item scale rating difficulty in carrying out each activity. Three types of summary measure were calculated: activities unable to perform, activities affected, and mean difficulty. Subscale scores were also calculated, corresponding to obligatory, committed, and discretionary activities, as defined in the disablement model. Disease status measures were examined as predictors of VLA disability using multiple regression analyses. RESULTS: Half the subjects were unable to do at least one VLA. Approximately 2%, 31.3%, and 40.2% were unable to do at least one obligatory, committed, and discretionary activity, respectively. Almost all (95%) reported at least one VLA affected by rheumatoid arthritis; 68.4%, 91.4%, and 92.5% reported at least one obligatory, committed, and discretionary activity, respectively, affected. Disease status measures were robust predictors of VLA disability, accounting for 22-47% of the variation in VLA disability (with one exception). Adding the health assessment questionnaire (HAQ) to these models increased (p<0.0001) all model R2 values. HAQ score mediated the effects of many disease measures, consistent with the disablement model. CONCLUSION: VLA disability was common, with more disability noted in committed and discretionary than obligatory activities. Because VLA disability has been linked to psychological wellbeing in previous studies, identification of factors that may protect against such disability is important.

Activities of Daily Living↗
PubMed2005

Which anticholinergic drug for overactive bladder symptoms in adults.

BACKGROUND: Around 16% to 45% of adults have overactive bladder symptoms (urgency with frequency and/or urge incontinence - 'overactive bladder syndrome'). Anticholinergic drugs are common treatments. OBJECTIVES: To compare the effects of different anticholinergic drugs for overactive bladder symptoms. SEARCH STRATEGY: We searched the Cochrane Incontinence Group specialised trials register (searched 17 January 2002) and reference lists of relevant articles. A search for full publications of abstracts identified in January 2002 was completed in July 2003. SELECTION CRITERIA: Randomised trials in adults with overactive bladder symptoms or detrusor overactivity that compared one anticholinergic drug with another, or two doses of the same drug. DATA COLLECTION AND ANALYSIS: Two authors independently assessed eligibility, trial quality and extracted data. Data were processed as described in the Cochrane Reviewers' Handbook. MAIN RESULTS: Forty nine trials, 39 parallel and 10 cross-over designs were included (11,332 adults). Most trials were described as double-blind, but were variable in other aspects of quality. Crossover studies did not present data in a way that could be included in the meta-analysis.Four trials collected quality of life data (the primary outcome measure) using validated measures; none reported useable data. Oxybutynin versus tolterodine: There were no statistically significant differences for patient perceive improvement, leakage episodes or voids in 24 hours, but fewer withdrawals due to adverse events (RR 0.57, 95% CI 0.43 to 0.75), and less risk of dry mouth (RR 0.60, 95% CI 0.54 to 0.66), with tolterodine. Different doses tolterodine: The usual recommended starting dose (2 mg twice daily) was compared with two lower (0.5 mg and 1 mg twice daily), and one higher dose (4 mg twice daily). The effect of 1 mg, 2 mg and 4 mg doses was similar for leakage episodes and micturitions in 24 hours, with greater risk of dry mouth with 2 and 4 mg doses.Extended versus immediate release preparations of oxybutynin and/or tolterodine: There were no statistically significant differences for cure/improvement, leakage episodes or micturitions in 24 hours, or withdrawals due to adverse events, but there were few data. Overall, extended release preparations had less risk of dry mouth. One extended release preparation versus another: There was less risk of dry mouth with oral extended release tolterodine than oxybutynin (RR 0.75, 95% CI 0.59 to 0.95), but no difference between transdermal oxybutynin and oral extended release tolterodine although some people withdrew due to skin reaction at the trandermal patch site. AUTHORS' CONCLUSIONS: Where the prescribing choice is between oral immediate release oxybutynin or tolterodine, tolterodine might be preferred for reduced risk of dry mouth. With tolterodine, 2 mg twice daily is the usual starting dose, but a 1 mg twice daily dose might be equally effective with less risk of dry mouth. If extended release preparations of oxybutynin or tolterodine are available, these might be preferred to immediate release preparations because there is less risk of dry mouth. There is little or no evidence available about quality of life, costs, or long-term outcome in these studies. There were insufficient data from trials of other anticholinergic drugs to draw any conclusions.

Adult↗
PubMed2005

Lymphocyte telomere dynamics and telomerase activity in inflammatory bowel disease: effect of drugs and smoking.

BACKGROUND: The chromosome instability observed in peripheral blood lymphocytes in ulcerative colitis could be a biomarker of cancer susceptibility. AIM: To determine whether accelerated telomere shortening could explain chromosome instability and assess the effect of drugs and smoking on telomere dynamics in these cells. METHODS: Peripheral blood lymphocytes were isolated from ulcerative colitis, Crohn's disease and non-inflammatory bowel disease control patients. Telomere lengths were measured by quantitative real-time polymerase chain reaction. After activation and cell separation, telomerase activity and human telomerase reverse transcriptase messenger ribonucleic acid were measured by telomerase repeat amplification protocol enzyme-linked immunosorbent serological assay and quantitative real-time polymerase chain reaction, respectively. RESULTS: Age-related telomere loss in peripheral blood lymphocytes was similar in ulcerative colitis, Crohn's disease and control patients. Telomerase activity decreased with age in all groups and correlated positively with telomere length (r = 0.489, P = 0.006). Among Crohn's disease patients, azathioprine was associated with decreased telomerase activity (0.66 vs. 1.54, P = 0.026, P < 0.05) and smoking was associated with decreased human telomerase reverse transcriptase mRNA expression (10.5 vs. 33.3, P = 0.036, P < 0.05). CONCLUSIONS: Telomere shortening is not accelerated and therefore cannot be the cause of the chromosome instability observed in ulcerative colitis peripheral blood lymphocytes. Azathioprine and cigarette smoking modify telomerase expression in these cells.

Adult↗
PubMed2005

Inter- and intralaboratory variation of in vitro diffusion cell measurements: an international multicenter study using quasi-standardized methods and materials.

In vitro measurements of skin absorption are an increasingly important aspect of regulatory studies, product support claims, and formulation screening. However, such measurements are significantly affected by skin variability. The purpose of this study was to determine inter- and intralaboratory variation in diffusion cell measurements caused by factors other than skin. This was attained through the use of an artificial (silicone rubber) rate-limiting membrane and the provision of materials including a standard penetrant, methyl paraben (MP), and a minimally prescriptive protocol to each of the 18 participating laboratories. "Standardized" calculations of MP flux were determined from the data submitted by each laboratory by applying a predefined mathematical model. This was deemed necessary to eliminate any interlaboratory variation caused by different methods of flux calculations. Average fluxes of MP calculated and reported by each laboratory (60 +/- 27 microg cm(-2) h(-1), n = 25, range 27-101) were in agreement with the standardized calculations of MP flux (60 +/- 21 microg cm(-2) h(-1), range 19-120). The coefficient of variation between laboratories was approximately 35% and was manifest as a fourfold difference between the lowest and highest average flux values and a sixfold difference between the lowest and highest individual flux values. Intralaboratory variation was lower, averaging 10% for five individuals using the same equipment within a single laboratory. Further studies should be performed to clarify the exact components responsible for nonskin-related variability in diffusion cell measurements. It is clear that further developments of in vitro methodologies for measuring skin absorption are required.

Clinical Laboratory Techniques↗
PubMed2005

Spironolactone reduces brachial pulse wave velocity and PIIINP levels in hypertensive diabetic patients.

AIMS: To assess whether spironolactone has beneficial effects on blood pressure (BP), N-terminal propeptide of type III procollagen (PIIINP) and pulse wave velocity (PWV) in hypertensive, type II diabetics. METHODS: Ten patients with type II diabetes and hypertension were enrolled in a randomized, double-blind crossover study comparing 4 months' treatment with spironolactone and placebo with a 4-week washout phase. BP, PIIINP and carotid-radial PWV were measured at the end of each treatment phase. RESULTS: Compared with placebo, spironolactone reduced systolic BP by 15.6 +/- 46.1 mmHg (P = 0.005, 95% CI 2.7-28.5 mmHg), PIIINP by 0.6 +/- 0.3 microg l(-1) (P = 0.04, 95% CI 0.02-1.1 microg l(-1)) and PWV by 0.6 +/- 0.2 m s(-1) (P = 0.008, 95% CI 0.18-1.02 m s(-1)). CONCLUSIONS: Spironolactone is effective at reducing systolic BP and brachial artery stiffness as indicated by PWV. It also reduces PIIINP in type II diabetic patients with hypertension.

Aged↗
PubMed2005

The human MT1 melatonin receptor stimulates cAMP production in the human neuroblastoma cell line SH-SY5Y cells via a calcium-calmodulin signal transduction pathway.

Melatonin regulates circadian and seasonal physiology via melatonin receptors expressed in the brain. However, little is known about the signal transduction mechanisms that mediate the action of melatonin in neuronal cells. To begin to address this issue, we expressed the human MT(1) receptor in the human neuroblastoma SH-SY5Y cell line. In this cell line, melatonin acutely stimulated cAMP synthesis through a calcium-calmodulin dependent pathway. This stimulatory effect was independent of an interaction with G(i) or G(s) G proteins and dependent upon internal calcium stores. Melatonin also potentiated forskolin-activated cAMP synthesis. Differentiation of the neuroblastoma cells with retinoic acid to the neuronal phenotype did not alter the ability of melatonin to acutely stimulate cAMP. These data may be relevant to the neuronal action of melatonin and highlight the importance of the cellular context of expression of melatonin and other G protein-coupled receptors.

Calcium-Calmodulin-Dependent Protein Kinases↗
PubMed2005

Comparison of the effect of enalapril and losartan in conjunction with surgical coronary revascularisation versus revascularisation alone on systemic endothelial function.

OBJECTIVES: To investigate the effect of enalapril, losartan, and surgical coronary revascularisation on endothelial function, and the role of the angiotensin converting enzyme (ACE) insertion (I)/deletion (D) polymorphism. DESIGN: Randomised, controlled, blinded end point study. SETTING: University tertiary referral cardiac centre. PATIENTS AND INTERVENTIONS: 49 men awaiting coronary artery bypass grafting (CABG) were randomly assigned to treatment with losartan, enalapril, or control for two months before and three months after surgery. MAIN OUTCOME MEASURES: Endothelial function was blindly analysed by brachial artery flow mediated dilatation (FMD) and ACE I/D genotype was determined. RESULTS: FMD was impaired at baseline (1.0-1.7%) and after five months had improved to 5.2% with enalapril (p = 0.015), 5.0% with losartan (p = 0.0004), and 3.0% with CABG alone (p = 0.05). Patients with the II genotype had lower baseline FMD than those with DI or DD (0.1% v 1.7%, p = 0.038) and after enalapril or losartan treatment had greater improvement in FMD (mean (SEM) 7.1 (1.1)%) than patients with DI (3.1 (1.3)%, p = 0.024) or DD genotype (3.1 (1.1)%, p = 0.02). CONCLUSIONS: Enalapril and losartan, with surgical coronary revascularisation, significantly improve systemic endothelial function. Revascularisation alone produces a quantitatively smaller, but still significant, improvement. The ACE genotype significantly modulates this response. Patients with the II genotype have a more pronounced impairment in endothelial function at baseline and a greater improvement in response to treatment with these agents.

Angiotensin II Type 1 Receptor Blockers↗
PubMed2005

Detection of BRAF mutations in colorectal tumours and peritoneal washings using a mismatch ligation assay.

AIMS: To detect cells bearing BRAF mutations in colorectal tumour samples and peritoneal washings, using a mismatch ligation assay (MLA). METHODS: DNA from 46 colorectal tumours was studied. Part of exon 15 of the BRAF gene was amplified using the polymerase chain reaction, and T-->A mutations at codon 600 were detected using MLA. When a mutation was detected, the same mutation was sought in peritoneal washings from that patient. RESULTS: BRAF mutations were detected in five of the 45 analysable tumour samples. In four cases, this result was confirmed by sequencing analysis. More tumours with BRAF mutations were Dukes' stage C or D rather than A or B (p < 0.02). Dilution experiments revealed that one mutant cell could be detected in 1000 normal cells. Cells with the same BRAF mutation were present in the peritoneal washing taken at the start of the operation in four of the five patients. CONCLUSIONS: MLA is a suitable technique for the detection of BRAF mutations, and allows the detection of small numbers of isolated tumour cells shed from the primary tumour.

Aged↗
PubMed2005

Control, compare and communicate: designing control charts to summarise efficiently data from multiple quality indicators.

Summarising the complex data generated by multiple cross sectional quality indicators in a way that patients, clinicians, managers and policymakers find useful is challenging. A common approach is aggregation to create summary measures such as star ratings and balanced score cards, but these may conceal the detail needed to focus quality improvement. We propose an alternative way of summarising and presenting multiple quality indicators, suitable for use for quality improvement and governance. This paper discusses (1) control charts for repeated measurements of single processes as used in industrial statistical process control (SPC); (2) control charts for cross sectional comparison of many institutions for a single quality indicator (rarely used in industry but commonly proposed for health care); and (3) small multiple graphics which combine control chart signal extraction with efficient graphical presentations for multiple indicators.

Adult↗
PubMed2005

Expression of diphtheria toxin in Streptococcus mutans and induction of toxin-neutralizing antisera.

The nontoxic full-length diphtheria toxin (DTX), fragment A (DTA), and fragment B (DTB) were each genetically fused to the major surface protein antigen P1 (SpaP) of Streptococcus mutans. Repeated attempts to express the recombinant DTX and DTB in the live oral vaccine candidate Streptococcus gordonii were unsuccessful, whereas DTA could be readily expressed in this bacterium. However, the recombinant DTX, DTB, and DTA could be expressed in the related oral bacterium S. mutans. Western blotting and enzyme-linked immunosorbant assay (ELISA) using anti-DTX and anti-P1 antibodies demonstrated the expression of the three fusion proteins in S. mutans. Mouse antisera raised against the recombinant S. mutans recognized the native DTX in Western immunoblotting. The antibodies raised against S. mutans expressing the recombinant DTX and DTA neutralized the cytotoxicity of the native toxin in a Vero cell assay, but the neutralization titers were relatively low. The potential of using S. gordonii as a live vaccine against diphtheria faces major challenges in the expression of DTX in this organism and in the induction of high-titer toxin-neutralizing antibodies.

Animals↗
PubMed2004

Spironolactone impairs endothelial function and heart rate variability in patients with type 2 diabetes.

AIMS/HYPOTHESIS: Aldosterone blockade has followed in the footsteps of ACE inhibition in reducing mortality in patients with heart failure. This is associated with its beneficial effects on endothelial function and heart rate variability. Diabetes is another area, where angiotensin II withdrawal has proven to be of particular value. We postulated that aldosterone blockade with spironolactone might also have beneficial effects on the prognostic markers of endothelial function and heart rate variability in diabetic patients. METHODS: We assessed endothelial function by forearm venous occlusion plethysmography in 42 patients with type 2 diabetes mellitus after 1 month of treatment with spironolactone or placebo allocated in a randomised double-blind trial. Of the 42 patients, 20 were on ACE inhibitor therapy. We also assessed heart rate variability, HbA1c and plasma angiotensin II levels at the end of each treatment period. RESULTS: Compared to placebo, spironolactone decreased forearm blood flow response to acetylcholine by 44.56+/-14.56% (p=0.003) in the group as a whole and by 57.61+/-15.56% (p<0.001) in the 20 patients on ACE inhibition. Spironolactone also worsened heart rate variability parameters, with root mean squared standard deviation decreased by 1.99+/-0.93 ms (p=0.03), low-frequency normalised power increased by 2.00+/-0.91 normalised units (nu) (p=0.03), high-frequency normalised power decreased by 1.98+/-0.94 nu (p=0.04) and the low frequency : high frequency ratio increased by 0.40+/-0.19 (p=0.04). HbA1c and angiotensin II increased during treatment with spironolactone by 0.26+/-0.07% (p=0.001) and 8.12+/-1.94 pg/ml (p=0.001) respectively. CONCLUSIONS/INTERPRETATION: Spironolactone worsened endothelial function and heart rate variability in patients with type 2 diabetes. These findings are possibly due to the worsening of glycaemic control and increase in plasma angiotensin II that were seen with spironolactone treatment. Thus the prescription of spironolactone to diabetic patients without heart failure does not seem to be justified.

Adult↗
PubMed2004

Interventions for impetigo.

BACKGROUND: Impetigo is a common superficial bacterial skin infection, most frequently encountered in children. There is no standard therapy and guidelines for treatment differ widely. Treatment options include many different oral and topical antibiotics as well as disinfectants. OBJECTIVES: To assess the effects of treatments for impetigo, including waiting for natural resolution. SEARCH STRATEGY: We searched the Skin Group Specialised Trials Register (March 2002), Cochrane Central Register of Controlled Trials (CENTRAL, Issue 1 2002), the National Research Register (2002), MEDLINE (from 1966 to January 2003), EMBASE (from 1980 to March 2000) and LILACS (November 2001). We handsearched the Yearbook of Dermatology (1938-1966), the Yearbook of Drug Therapy (1949-1966), used reference lists of articles and contacted pharmaceutical companies. SELECTION CRITERIA: Randomised controlled trials of treatments for non-bullous and bullous, primary and secondary impetigo. DATA COLLECTION AND ANALYSIS: All steps in data collection were done by two independent reviewers. We performed quality assessments and data collection in two separate stages. MAIN RESULTS: We included 57 trials including 3533 participants in total which studied 20 different oral and 18 different topical treatments. CURE OR IMPROVEMENT: Topical antibiotics showed better cure rates than placebo (pooled odds ratio (OR) 6.49, 95% confidence interval (CI) 3.93 to 10.73), and no topical antibiotic was superior (pooled OR of mupirocin versus fusidic acid 1.76, 95% CI 0.69 to 2.16). Topical mupirocin was superior to oral erythromycin (pooled OR 1.22, 95% CI 1.05 to 2.97). In most other comparisons, topical and oral antibiotics did not show significantly different cure rates, nor did most trials comparing oral antibiotics. Penicillin was inferior to erythromycin and cloxacillin and there is little evidence that using disinfectant solutions improves impetigo. SIDE EFFECTS: The reported number of side effects was low. Oral antibiotic treatment caused more side effects, especially gastrointestinal ones, than topical treatment. REVIEWERS' CONCLUSIONS: Data on the natural course of impetigo are lacking. Placebo controlled trials are scarce. There is little evidence about the value of disinfecting measures. There is good evidence that topical mupirocin and topical fusidic acid are equally, or more effective than oral treatment for people with limited disease. It is unclear if oral antibiotics are superior to topical antibiotics for people with extensive impetigo. Fusidic acid and mupirocin are of similar efficacy. Penicillin was not as effective as most other antibiotics. Resistance patterns against antibiotics change and should be taken into account in the choice of therapy.

Administration, Oral↗