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Antibiotic or silver versus standard ventriculoperitoneal shunts (BASICS): a multicentre, single-blinded, randomised trial and economic evaluation.

ABSTRACT: BACKGROUND:Insertion of a ventriculoperitoneal shunt for hydrocephalus is one of the commonest neurosurgical procedures worldwide. Infection of the implanted shunt affects up to 15% of these patients, resulting in prolonged hospital treatment, multiple surgeries, and reduced cognition and quality of life. Our aim was to determine the clinical and cost-effectiveness of antibiotic (rifampicin and clindamycin) or silver shunts compared with standard shunts at reducing infection. METHODS:In this parallel, multicentre, single-blind, randomised controlled trial, we included patients with hydrocephalus of any aetiology undergoing insertion of their first ventriculoperitoneal shunt irrespective of age at 21 regional adult and paediatric neurosurgery centres in the UK and Ireland. Patients were randomly assigned (1:1:1 in random permuted blocks of three or six) to receive standard shunts (standard shunt group), antibiotic-impregnated (0·15% clindamycin and 0·054% rifampicin; antibiotic shunt group), or silver-impregnated shunts (silver shunt group) through a randomisation sequence generated by an independent statistician. All patients and investigators who recorded and analysed the data were masked for group assignment, which was only disclosed to the neurosurgical staff at the time of operation. Participants receiving a shunt without evidence of infection at the time of insertion were followed up for at least 6 months and a maximum of 2 years. The primary outcome was time to shunt failure due the infection and was analysed with Fine and Gray survival regression models for competing risk by intention to treat. This trial is registered with ISRCTN 49474281. FINDINGS:Between June 26, 2013, and Oct 9, 2017, we assessed 3505 patients, of whom 1605 aged up to 91 years were randomly assigned to receive either a standard shunt (n=536), an antibiotic-impregnated shunt (n=538), or a silver shunt (n=531). 1594 had a shunt inserted without evidence of infection at the time of insertion (533 in the standard shunt group, 535 in the antibiotic shunt group, and 526 in the silver shunt group) and were followed up for a median of 22 months (IQR 10-24; 53 withdrew from follow-up). 32 (6%) of 533 evaluable patients in the standard shunt group had a shunt revision for infection, compared with 12 (2%) of 535 evaluable patients in the antibiotic shunt group (cause-specific hazard ratio [csHR] 0·38, 97·5% CI 0·18-0·80, p=0·0038) and 31 (6%) of 526 patients in the silver shunt group (0·99, 0·56-1·74, p=0·96). 135 (25%) patients in the standard shunt group, 127 (23%) in the antibiotic shunt group, and 134 (36%) in the silver shunt group had adverse events, which were not life-threatening and were mostly related to valve or catheter function. INTERPRETATION:The BASICS trial provides evidence to support the adoption of antibiotic shunts in UK patients who are having their first ventriculoperitoneal shunt insertion. This practice will benefit patients of all ages by reducing the risk and harm of shunt infection. FUNDING:UK National Institute for Health Research Health Technology Assessment programme.

SUBMITTER: Mallucci CL

PROVIDER: S-EPMC6999649 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Antibiotic or silver versus standard ventriculoperitoneal shunts (BASICS): a multicentre, single-blinded, randomised trial and economic evaluation.

Mallucci Conor L CL Jenkinson Michael D MD Conroy Elizabeth J EJ Hartley John C JC Brown Michaela M Dalton Joanne J Kearns Tom T Moitt Tracy T Griffiths Michael J MJ Culeddu Giovanna G Solomon Tom T Hughes Dyfrig D Gamble Carrol C

Lancet (London, England) 20190912 10208

<h4>Background</h4>Insertion of a ventriculoperitoneal shunt for hydrocephalus is one of the commonest neurosurgical procedures worldwide. Infection of the implanted shunt affects up to 15% of these patients, resulting in prolonged hospital treatment, multiple surgeries, and reduced cognition and quality of life. Our aim was to determine the clinical and cost-effectiveness of antibiotic (rifampicin and clindamycin) or silver shunts compared with standard shunts at reducing infection.<h4>Methods< ...[more]

PMID: 31522843

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Project description:BackgroundPrevious studies have suggested that monitoring the levels of both hypnosis and antinociception could reduce periods of inadequate anaesthesia. However, the evidence regarding associated benefits of this monitoring is still limited.ObjectiveThe primary objective of this study was to confirm that guidance of anaesthesia by depth of hypnosis and antinociception monitoring decreases the number of inadequate anaesthesia events in comparison with standard clinical practice.DesignA multicentre, single-blinded, randomised controlled trial.SettingThe study was conducted in four European University hospitals in four different countries between December 2013 and November 2016.PatientsThe study population consisted of a total of 494 adult patients undergoing elective surgery requiring tracheal intubation.InterventionsThe patients were allocated to one of two groups. The first group was treated using Entropy for depth of hypnosis and surgical pleth index to determine depth of antinociception (adequacy of anaesthesia group; AoA group). The second group was monitored using standard monitoring alone (control group). Anaesthesia was conducted with target-controlled infusions of propofol and remifentanil.Main outcome measuresThe primary outcome of the study was the number of total unwanted events for example signs of inadequately light or unintentionally deep anaesthesia.ResultsEvidence of inadequate anaesthesia had an incidence of around 0.7 events per patient in both groups with no difference between groups (P?=?0.519). In the AoA group, the overall consumption of propofol was significantly reduced (6.9 vs. 7.5?mg?kg?h, P?=?0.008) in comparison with the control group. The consumption of remifentanil was equal in both groups. The times to emergence [8.0 vs. 9.6?min (P?=?0.005)] and full recovery in the postanaesthesia care unit (P?=?0.043) were significantly shorter in the AoA group. No differences were seen in postoperative pain scores or in the use of analgesics.ConclusionIn the current study, the guidance of total intravenous anaesthesia by Entropy and surgical pleth index in comparison with standard monitoring alone was not able to validate reduction of unwanted anaesthesia events. However, there was a reduction in the use of propofol, and shorter times for emergence and time spent in the postanaesthesia care unit.Trial registrationat ClinicalTrials.gov NCT01928875.

Project description:ObjectiveTo determine if rapid rather than standard intravenous rehydration results in improved hydration and clinical outcomes when administered to children with gastroenteritis.DesignSingle centre, two arm, parallel randomised pragmatic controlled trial. Blocked randomisation stratified by site. Participants, caregivers, outcome assessors, investigators, and statisticians were blinded to the treatment assignment.SettingPaediatric emergency department in a tertiary care centre in Toronto, Canada.Participants226 children aged 3 months to 11 years; complete follow-up was obtained on 223 (99%). Eligible children were aged over 90 days, had a diagnosis of dehydration secondary to gastroenteritis, had not responded to oral rehydration, and had been prescribed intravenous rehydration. Children were excluded if they weighed less than 5 kg or more than 33 kg, required fluid restriction, had a suspected surgical condition, or had an insurmountable language barrier. Children were also excluded if they had a history of a chronic systemic disease, abdominal surgery, bilious or bloody vomit, hypotension, or hypoglycaemia or hyperglycaemia.InterventionsRapid (60 mL/kg) or standard (20 mL/kg) rehydration with 0.9% saline over an hour; subsequent fluids administered according to protocol.Main outcome measuresPrimary outcomeclinical rehydration, assessed with a validated scale, two hours after the start of treatment.Secondary outcomesprolonged treatment, mean clinical dehydration scores over the four hour study period, time to discharge, repeat visits to emergency department, adequate oral intake, and physician's comfort with discharge. Data from all randomised patients were included in an intention to treat analysis.Results114 patients were randomised to rapid rehydration and 112 to standard. One child was withdrawn because of severe hyponatraemia at baseline. There was no evidence of a difference between the rapid and standard rehydration groups in the proportions of participants who were rehydrated at two hours (41/114 (36%) v 33/112 (30%); difference 6.5% (95% confidence interval -5.7% to 18.7%; P=0.32). The results did not change after adjustment for weight, baseline dehydration score, and baseline pH (odds ratio 1.8, 0.90 to 3.5; P=0.10). The rates of prolonged treatment were similar (52% rapid v 43% standard; difference 8.9%, 21% to -5%; P=0.19). Although dehydration scores were similar throughout the study period (P=0.96), the median time to discharge was longer in the rapid group (6.3 v 5.0 hours; P=0.03).ConclusionsThere are no relevant clinical benefits from the administration of rapid rather than standard intravenous rehydration to haemodynamically stable children deemed to require intravenous rehydration. Trail registration Clinical Trials NCT00392145.

Project description:ObjectiveTo compare the efficacy of oral antibiotic treatment alone with treatment started parenterally and completed orally in children with a first episode of acute pyelonephritis.DesignMulticentre, randomised controlled, open labelled, parallel group, non-inferiority trial.Setting28 paediatric units in north east Italy.Participants502 children aged 1 month to <7 years with clinical pyelonephritis.InterventionOral co-amoxiclav (50 mg/kg/day in three doses for 10 days) or parenteral ceftriaxone (50 mg/kg/day in a single parenteral dose) for three days, followed by oral co-amoxiclav (50 mg/kg/day in three divided doses for seven days). Main outcomes measures Primary outcome was the rate of renal scarring. Secondary measures of efficacy were time to defervescence (<37 degrees C), reduction in inflammatory indices, and percentage with sterile urine after 72 hours. An exploratory subgroup analysis was conducted in the children in whom pyelonephritis was confirmed by dimercaptosuccinic acid (DMSA) scintigraphy within 10 days after study entry.ResultsIntention to treat analysis showed no significant differences between oral (n=244) and parenteral (n=258) treatment, both in the primary outcome (scarring scintigraphy at 12 months 27/197 (13.7%) v 36/203 (17.7%), difference in risk -4%, 95% confidence interval -11.1% to 3.1%) and secondary outcomes (time to defervescence 36.9 hours (SD 19.7) v 34.3 hours (SD 20), mean difference 2.6 (-0.9 to 6.0); white cell count 9.8x10(9)/l (SD 3.5) v 9.5x10(9)/l (SD 3.1), mean difference 0.3 (-0.3 to 0.9); percentage with sterile urine 185/186 v 203/204, risk difference -0.05% (-1.5% to 1.4%)). Similar results were found in the subgroup of 278 children with confirmed acute pyelonephritis on scintigraphy at study entry.ConclusionsTreatment with oral antibiotics is as effective as parenteral then oral treatment in the management of the first episode of clinical pyelonephritis in children.Trial registrationClinical Trials NCT00161330 [ClinicalTrials.gov].

Project description:IntroductionA novel coronavirus, designated SARS-CoV-2, caused an international outbreak of a respiratory illness, termed COVID-19 in December 2019. There is a lack of specific therapeutic agents based on evidence for this novel coronavirus infection; however, several medications have been evaluated as a potential therapy. Therapy is required to treat symptomatic patients and decrease the virus carriage duration to limit the communitytransmission.Methods and analysisWe hypothesise that patients with mild COVID-19 treated with favipiravir will have a shorter duration of time to virus clearance than the control group. The primary outcome is to evaluate the effect of favipiravir on the timing of the PCR test conversion from positive to negative within 15 days after starting the medicine.Adults (>18 years, men or nonpregnant women, diagnosed with mild COVID-19 within 5 days of disease onset) are being recruited by physicians participating from the Ministry of National Guard Health Affairs and the Ministry of Health ethics committee approved primary healthcare centres. This double-blind, randomised trial comprises three significant parts: screening, treatment and a follow-up period. The treating physician and patients are blinded. Eligible participants are randomised in a 1:1 ratio to either the therapy group (favipiravir) or a control group (placebo) with 1800 mg by mouth two times per day for the first day, followed by 800 mg two times per day for 4-7 days. Serial nasopharyngeal/oropharyngeal swab samples are obtained on day 1 (5 days before therapy). On day5±1 day, 10±1 day, 15±2 days, extra nasopharyngeal/oropharyngeal PCR COVID-19 samples are requested.The primary analysis population for evaluating both the efficacy and safety outcomes will be a modified intention to treat population. Anticipating a 10% dropout rate, we expect to recruit 288 subjects per arm. The results assume that the hazard ratio is constant throughout the study and that the Cox proportional hazard regression is used to analyse the data.Ethics and disseminationThe study was approved by the King Abdullah International Medical Research Centre Institutional Review Board (28 April 2020) and the Ministry of Health Institutional Review Board (1 July 2020). Protocol details and any amendments will be reported to https://clinicaltrials.gov/ct2/show/NCT04464408. The results will be published in peer-reviewed journals.Trial registration numberNational Clinical Trial Registry (NCT04464408).

Project description:ObjectiveTo determine the safety and efficacy of aerobic exercise on activities of daily living in the subacute phase after stroke.DesignMulticentre, randomised controlled, endpoint blinded trial.SettingSeven inpatient rehabilitation sites in Germany (2013-17).Participants200 adults with subacute stroke (days 5-45 after stroke) with a median National Institutes of Health stroke scale (NIHSS, range 0-42 points, higher values indicating more severe strokes) score of 8 (interquartile range 5-12) were randomly assigned (1:1) to aerobic physical fitness training (n=105) or relaxation sessions (n=95, control group) in addition to standard care.InterventionParticipants received either aerobic, bodyweight supported, treadmill based physical fitness training or relaxation sessions, each for 25 minutes, five times weekly for four weeks, in addition to standard rehabilitation therapy. Investigators and endpoint assessors were masked to treatment assignment.Main outcome measuresThe primary outcomes were change in maximal walking speed (m/s) in the 10 m walking test and change in Barthel index scores (range 0-100 points, higher scores indicating less disability) three months after stroke compared with baseline. Safety outcomes were recurrent cardiovascular events, including stroke, hospital readmissions, and death within three months after stroke. Efficacy was tested with analysis of covariance for each primary outcome in the full analysis set. Multiple imputation was used to account for missing values.ResultsCompared with relaxation, aerobic physical fitness training did not result in a significantly higher mean change in maximal walking speed (adjusted treatment effect 0.1 m/s (95% confidence interval 0.0 to 0.2 m/s), P=0.23) or mean change in Barthel index score (0 (-5 to 5), P=0.99) at three months after stroke. A higher rate of serious adverse events was observed in the aerobic group compared with relaxation group (incidence rate ratio 1.81, 95% confidence interval 0.97 to 3.36).ConclusionsAmong moderately to severely affected adults with subacute stroke, aerobic bodyweight supported, treadmill based physical fitness training was not superior to relaxation sessions for maximal walking speed and Barthel index score but did suggest higher rates of adverse events. These results do not appear to support the use of aerobic bodyweight supported fitness training in people with subacute stroke to improve activities of daily living or maximal walking speed and should be considered in future guidelines.Trial registrationClinicalTrials.gov NCT01953549.

Dataset Information

Antibiotic or silver versus standard ventriculoperitoneal shunts (BASICS): a multicentre, single-blinded, randomised trial and economic evaluation.

Publications

Antibiotic or silver versus standard ventriculoperitoneal shunts (BASICS): a multicentre, single-blinded, randomised trial and economic evaluation.

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