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Orfanos I. Decreased incidence of urinary tract infections in febrile infants aged ≤60 days during COVID-19 pandemic. Acta Paediatr 2024; 113:1934-1939. [PMID: 38676461 DOI: 10.1111/apa.17256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/16/2024] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
AIM To investigate the incidence rate of urinary tract infections (UTIs) among febrile infants aged ≤60 days before, during, and after the COVID-19 pandemic. METHODS We conducted a retrospective study in 2 Swedish paediatric emergency departments between 2014 and 2022. We included full-term infants aged ≤60 days with fever without source. We calculated the annual incidence rate of UTI per 1000 births. RESULTS We included 1589 full-term infants with fever without source. In 2020, 89 infants were evaluated in the emergency department versus 203-259 in 2017-2019. In 2020, the incidence rate of UTI was 1.43 per 1000 births/year versus 2.18-2.37 in 2017-2019. The median age, sex, fever duration, and urine testing were similar between the years 2017 and 2020. CONCLUSION The number of febrile infants who presented to the paediatric emergency department and the incidence rate of UTIs decreased in 2020. This decrease might imply a systematic misdiagnosis of UTIs in infants with febrile viral infections. A more selective urine testing approach for febrile, previously healthy, infants should be considered to mitigate UTI misdiagnosis and its potential harmful effects.
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Affiliation(s)
- Ioannis Orfanos
- Department of Clinical Sciences, Lund University, Lund, Sweden
- Department of Pediatrics, Skåne University Hospital, Lund University, Lund, Sweden
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2
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Bellini T, Brisca G, Orfanos I, Mariani M, Pezzotta F, Giordano B, Pastorino A, Misley S, Formigoni C, Fueri E, Ferretti M, Marin M, Finetti M, Piccotti E, Castagnola E, Moscatelli A. Clinical Course, Laboratory Findings, and Prognosis of SARS-CoV-2 Infection in Infants up to 90 Days of Age: A Single-Center Experience and a Proposal for a Management Pathway. Healthcare (Basel) 2024; 12:528. [PMID: 38470638 PMCID: PMC10931066 DOI: 10.3390/healthcare12050528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/03/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
AIM To provide a comprehensive description of the clinical features, biochemical characteristics, and outcomes of infants up to 90 days old with COVID-19. Moreover, to assess the severity of the disease and propose an effective management pathway. METHODS Retrospective single-center study spanning three years. Patient data includes age, sex, symptoms, comorbidities, blood and urine test results, cultures, admission, length of stay, therapies, intensive care unit admission, and mortality. RESULTS A total of 274 patients were enrolled in the study, comprising 55% males. Among them, 60 patients (22%) were under the age of 29 days, while 214 (78%) fell within the 29 to 90 days age range. The overall incidence of SARS-CoV-2 infections was 0.28 per 10,000 Pediatric Emergency Department admissions. Blood inflammatory markers showed no significant abnormalities, and there were no recorded instances of positive blood cultures. Less than 1% of infants showed urinary tract infections with positive urine cultures, and 1.5% of patients had a concurrent RSV infection. Hospitalization rates were 83% for neonates and 67% for infants, with a median length of stay (LOS) of 48 h for both age groups. None of the patients required admission to the Pediatric or Neonatal Intensive Care Unit, and only one required High Flow Nasal Cannula (HFNC). No secondary serious bacterial infections were observed, and all hospitalized patients were discharged without short-term sequelae. No deaths were reported. DISCUSSION AND CONCLUSIONS Infants with COVID-19 generally exhibit milder or asymptomatic forms of the disease, making home management a viable option in most cases. Blood tests, indicative of a mild inflammatory response, are recommended primarily for children showing symptoms of illness. Hospitalization precautions for infants without apparent illness or comorbidities are deemed unnecessary. Given the evolving nature of experiences with COVID-19 in infants, maintaining a high level of clinical suspicion remains imperative.
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Affiliation(s)
- Tommaso Bellini
- Pediatric Emergency Room and Emergency Medicine Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (M.F.); (M.M.); (M.F.)
| | - Giacomo Brisca
- Neonatal and Pediatric Intensive Care Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (G.B.); (A.M.)
| | - Ioannis Orfanos
- Department of Clinical Sciences, Lund University, 22100 Lund, Sweden;
- Department of Pediatrics, Skåne University Hospital, 22185 Lund, Sweden
| | - Marcello Mariani
- Infectious Diseases Unit and COVID Hospital, Department of Pediatrics, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy (E.C.)
| | - Federico Pezzotta
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132 Genova, Italy; (F.P.); (B.G.); (A.P.); (S.M.); (C.F.); (E.F.)
| | - Benedetta Giordano
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132 Genova, Italy; (F.P.); (B.G.); (A.P.); (S.M.); (C.F.); (E.F.)
| | - Andrea Pastorino
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132 Genova, Italy; (F.P.); (B.G.); (A.P.); (S.M.); (C.F.); (E.F.)
| | - Silvia Misley
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132 Genova, Italy; (F.P.); (B.G.); (A.P.); (S.M.); (C.F.); (E.F.)
| | - Clelia Formigoni
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132 Genova, Italy; (F.P.); (B.G.); (A.P.); (S.M.); (C.F.); (E.F.)
| | - Elena Fueri
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, 16132 Genova, Italy; (F.P.); (B.G.); (A.P.); (S.M.); (C.F.); (E.F.)
| | - Marta Ferretti
- Pediatric Emergency Room and Emergency Medicine Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (M.F.); (M.M.); (M.F.)
| | - Marta Marin
- Pediatric Emergency Room and Emergency Medicine Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (M.F.); (M.M.); (M.F.)
| | - Martina Finetti
- Pediatric Emergency Room and Emergency Medicine Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (M.F.); (M.M.); (M.F.)
| | - Emanuela Piccotti
- Pediatric Emergency Room and Emergency Medicine Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (M.F.); (M.M.); (M.F.)
| | - Elio Castagnola
- Infectious Diseases Unit and COVID Hospital, Department of Pediatrics, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy (E.C.)
| | - Andrea Moscatelli
- Neonatal and Pediatric Intensive Care Unit, Emergency Department, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy; (G.B.); (A.M.)
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Urine collection methods for infants under 3 months of age in clinical practice. Pediatr Nephrol 2021; 36:3899-3904. [PMID: 34100109 DOI: 10.1007/s00467-021-05142-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 05/07/2021] [Accepted: 05/17/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Methods of urine collection used in precontinent children are a controversial issue. Definitive diagnosis of urinary tract infection (UTI) requires an uncontaminated urine culture. We aimed to describe methods used to collect urine for culture in infants under 3 months of age and compare results and contamination rates. METHODS This retrospective observational cohort study included 721 urine cultures collected from infants <3 months of age at the Hospital Universitario Infanta Sofía, Madrid, between January 2016 and December 2019. Urine cultures were compared based on collection technique, sex, and patient age. RESULTS Median patient age was 36 days and 54.6% were male. In total, 592 (82.1%) samples were collected using clean-catch urine stimulation technique (CCUST), 77 (10.7%) by urethral catheterization (UC) and 52 (7.2%) by urine bag (UB). Positive cultures were obtained in 11.7% (95% confidence interval [CI] 9.1, 14.3) of CCUST samples and in 28.6% (95% CI 18.5, 38.7) of UC samples (p<0.001). The contamination rate was 13.7% (95% CI 10.9, 16.4] for CCUST, 23.1% (95% CI 11.6, 34.6) for UB and 5.2% (95% CI 0.2, 10.2) for UC, with statistically significant differences (p=0.007) between UB and UC collection. CONCLUSIONS CCUST is the most commonly used method in our hospital for collecting urine in infants younger than 3 months. The contamination rate of UC is lower but not significantly different to that of CCUST. Urine collection by CCUST serves as a non-invasive alternative to UC for diagnosis of UTI in infants under 3 months of age in routine clinical practice. Graphical abstract.
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Boon HA, Struyf T, Bullens D, Van den Bruel A, Verbakel JY. Diagnostic value of biomarkers for paediatric urinary tract infections in primary care: systematic review and meta-analysis. BMC FAMILY PRACTICE 2021; 22:193. [PMID: 34565335 PMCID: PMC8474745 DOI: 10.1186/s12875-021-01530-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 08/24/2021] [Indexed: 12/28/2022]
Abstract
Background Accurate diagnosis of urinary tract infection is essential as children left untreated may suffer permanent renal injury. Aim To compare the diagnostic values of biomarkers or clinical prediction rules for urinary tract infections in children presenting to ambulatory care. Design and setting Systematic review and meta-analysis of ambulatory care studies. Methods Medline, Embase, WOS, CINAHL, Cochrane library, HTA and DARE were searched until 21 May 2021. We included diagnostic studies on urine or blood biomarkers for cystitis or pyelonephritis in children below 18 years of age. We calculated sensitivity, specificity and likelihood ratios. Data were pooled using a bivariate random effects model and a Hierarchical Summary Receiver Operating Characteristic analysis. Results Seventy-five moderate to high quality studies were included in this review and 54 articles in the meta-analyses. The area under the receiver-operating-characteristics curve to diagnose cystitis was 0.75 (95%CI 0.62 to 0.83, n = 9) for C-reactive protein, 0.71 (95% CI 0.62 to 0.80, n = 4) for procalcitonin, 0.93 (95% CI 0.91 to 0.96, n = 22) for the dipstick test (nitrite or leukocyte esterase ≥trace), 0.94 (95% CI 0.58 to 0.98, n = 9) for urine white blood cells and 0.98 (95% CI 0.92 to 0.99, n = 12) for Gram-stained bacteria. For pyelonephritis, C-reactive protein < 20 mg/l had LR- of 0.10 (95%CI 0.04–0.30) to 0.22 (95%CI 0.09–0.54) in children with signs suggestive of urinary tract infection. Conclusions Clinical prediction rules including the dipstick test biomarkers can support family physicians while awaiting urine culture results. CRP and PCT have low accuracy for cystitis, but might be useful for pyelonephritis. Supplementary Information The online version contains supplementary material available at 10.1186/s12875-021-01530-9.
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Affiliation(s)
- Hanne A Boon
- EPI-Centre, Academic Centre for General Practice, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium
| | - Thomas Struyf
- EPI-Centre, Academic Centre for General Practice, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium
| | - Dominique Bullens
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Herestraat 49, Box 811, 3000, Leuven, Belgium.,Clinical Division of Pediatrics, UZ Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Ann Van den Bruel
- EPI-Centre, Academic Centre for General Practice, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium
| | - Jan Y Verbakel
- EPI-Centre, Academic Centre for General Practice, KU Leuven, Kapucijnenvoer 7, 3000, Leuven, Belgium. .,Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Primary Care Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford, OX2 6GG, UK.
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Marchal S, Janicot J, Salicis J, Demonchy D, Herisse AL, Olla M, Rancurel A, Haas H, Bérard E, Bréaud J, Bernardor J, Ribet C, Freyssinet E, Donzeau D, Desmontils J, Schori-Fortier C, Fontas E, Tran A. Quick-Wee versus bladder stimulation to collect midstream urine from precontinent infants under 1 year of age: a study protocol for a randomised controlled trial (ES.Stimquick.U). BMJ Open 2021; 11:e046324. [PMID: 34531206 PMCID: PMC8449968 DOI: 10.1136/bmjopen-2020-046324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
INTRODUCTION Urinary tract infections occur in around 1%-4% of boys and 3%-8% of girls under 2 years old. Diagnosis is difficult because of non-specific symptoms and the risk of urine analysis contamination depending on the sampling method used for precontinent infants. The American Academy of Pediatrics recommend transurethral catheterisation and suprapubic aspiration because of a low contamination rate but these techniques are invasive. On the other hand, while the National Institute for Health and Care Excellence advocate clean catch urine for its minimal invasiveness and acceptable contamination rate, it is difficult to accomplish in precontinent infants. Two recent methods have been described: the Quick-Wee method by Kaufman et al (suprapubic stimulation with cold saline-soaked gauze); and bladder stimulation by Herreros et al then by Tran et al (pubic tapping alternating with lumbar massage). This study aims to compare the effectiveness in collecting midstream urine by bladder stimulation vs the Quick-Wee method in infants under 1 year, before walking. METHODS AND ANALYSIS This study is a multicentre randomised controlled trial of 230 infants under 1 year and before walking who need urine analysis, conducted in four paediatric emergency departments in France. Patients will be randomised into two groups: bladder stimulation and Quick-Wee method.The primary endpoint will be the success rate of voiding at least 2 mL of urine in less than 5 min.Secondary outcomes are the time to collect at least 2 mL of urine, comfort, quality of urine and the risk factors associated with failure of the two techniques. ETHICS AND DISSEMINATION The study protocol was approved by the French national ethic committee (consultative committee of the protection of persons). The results of the study will be published in a peer-reviewed journal. TRIAL REGISTRATION NUMBER Clinical Trials Registry - NCT04587999. DATE AND PROTOCOL VERSION IDENTIFIER October 2020, V.1.
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Affiliation(s)
- Sarah Marchal
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Jade Janicot
- Service de Pédiatrie, Centre Hospitalier de Grasse, Grasse, France
| | - Julie Salicis
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Diane Demonchy
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Anne-Laure Herisse
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Marco Olla
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Anne Rancurel
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Hervé Haas
- Service de Pédiatrie, Centre Hospitalier Princesse Grace, Monaco
| | - Etienne Bérard
- Service de Néphrologie Pédiatrique, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Jean Bréaud
- Service de Chirurgie Pédiatrique, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Julie Bernardor
- Service de Néphrologie Pédiatrique, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Chloé Ribet
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Emma Freyssinet
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
| | - Dominique Donzeau
- Délégation à la Recherche Clinique et à l'Innovation, Centre Hospitalier Universitaire de Nice, Nice, France
| | | | - Clara Schori-Fortier
- Service de Pédiatrie, Centre Hospitalier d Antibes Juan les Pins, Antibes, France
| | - Eric Fontas
- Délégation à la Recherche Clinique et à l'Innovation, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Antoine Tran
- Service des Urgences Pédiatriques, Hôpitaux Pédiatriques de Nice CHU-LENVAL, Nice, France
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Epidemiology of serious bacterial infection in febrile infants under 3 months of age and diagnostic management in Mayotte. Arch Pediatr 2021; 28:553-558. [PMID: 34400055 DOI: 10.1016/j.arcped.2021.06.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 04/06/2021] [Accepted: 06/13/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVE This study aimed to determine the prevalence of serious bacterial infections (SBIs) in infants less than 90 days old presenting with fever on arrival at the emergency department (ED), and to assess the diagnostic management of febrile infants. DESIGN A retrospective study at Mamoudzou Hospital, Mayotte Island, French Department. SETTING General ED in the only pediatric hospital throughout the territory PATIENTS: We included infants less than 90 days old with a history of fever and bacterial investigation evaluated in the ED between 2016 and 2018. We excluded preterm infants (gestational age < 37 weeks) and those with known immunodeficiency or previous administration of antibiotics. RESULTS A total of 594 infants were included. In all, 105 infants (17.7%) were diagnosed with an SBI and 28 (4.7%) with an invasive bacterial infection of which 1.34% was meningitis. The most frequent SBI was pneumonia (n = 69, 11.6%) followed by urinary tract infection (UTI; n = 37, 6.2%). Predominant pathogens (excluding contaminants) were Escherichia coli (51.2% of the UTI cases), group B Streptococcus (62.5% of meningitis cases), and Staphylococcus aureus (61.5% of bacteremia cases). Seven infants presented with bacterial pneumonia due to Staphylococcus aureus with Panton-Valentine leucocidin (PVL) exotoxin production. Ill-appearing infants, clinical signs of SBI and complex chronic condition were associated with a risk of SBI (respective odds ratio [OR]: 4.6, 95% confidence interval [CI]: 3-6.9; OR: 4.2, 95% CI: 2.8-6.4; and OR: 3.2, 95% CI: 1.2-8.5). The median age for SBI was 42 days (5-90). Fever without source (FWS) occurred more often in infants under 21 days of age (48.5% vs. 31.3% in older infants, p < 0.001). The median duration of fever at home was 24 h (6-96). Concerning management, in infants aged under 21 days, there were more lumbar punctures (58.3% vs. 23% in older infants, p < 0.001) and more frequent initiation of empiric antibiotics (62.6% vs. 42.7%, p < 0.001). Length of stay was also longer in this age range (5 days vs. 3 days, p = 0.037). CONCLUSION Delay in medical consultation in the case of fever, the risk of SBI regardless of age, and unusual epidemiology with many IBI due to Staphylococcus aureus with PVL exotoxin production are specific characteristics observed in our study. Knowledge of the current epidemiology of SBI in Mayotte would be useful for setting up a risk-stratified protocol in this population in the future.
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Pantell RH, Roberts KB, Adams WG, Dreyer BP, Kuppermann N, O'Leary ST, Okechukwu K, Woods CR. Evaluation and Management of Well-Appearing Febrile Infants 8 to 60 Days Old. Pediatrics 2021; 148:peds.2021-052228. [PMID: 34281996 DOI: 10.1542/peds.2021-052228] [Citation(s) in RCA: 194] [Impact Index Per Article: 64.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
This guideline addresses the evaluation and management of well-appearing, term infants, 8 to 60 days of age, with fever ≥38.0°C. Exclusions are noted. After a commissioned evidence-based review by the Agency for Healthcare Research and Quality, an additional extensive and ongoing review of the literature, and supplemental data from published, peer-reviewed studies provided by active investigators, 21 key action statements were derived. For each key action statement, the quality of evidence and benefit-harm relationship were assessed and graded to determine the strength of recommendations. When appropriate, parents' values and preferences should be incorporated as part of shared decision-making. For diagnostic testing, the committee has attempted to develop numbers needed to test, and for antimicrobial administration, the committee provided numbers needed to treat. Three algorithms summarize the recommendations for infants 8 to 21 days of age, 22 to 28 days of age, and 29 to 60 days of age. The recommendations in this guideline do not indicate an exclusive course of treatment or serve as a standard of medical care. Variations, taking into account individual circumstances, may be appropriate.
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Affiliation(s)
- Robert H Pantell
- Department of Pediatrics, School of Medicine, University of California San Francisco, San Francisco, California
| | - Kenneth B Roberts
- Department of Pediatrics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - William G Adams
- Boston Medical Center/Boston University School of Medicine, Deparment of Pediatrics, Boston, Massachusetts
| | - Benard P Dreyer
- Department of Pediatrics, NYU Grossman School of Medicine, New York, New York
| | - Nathan Kuppermann
- Department of Emergency Medicine and Pediatric, School of Medicine, University of California, Davis School of Medicine, Sacramento, California
| | - Sean T O'Leary
- Department of Pediatrics, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
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Pragmatic evaluation of a midstream urine collection technique for infants in the emergency department. CAN J EMERG MED 2021; 22:665-672. [PMID: 32383423 DOI: 10.1017/cem.2020.31] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVES Our objective was to examine the performance characteristics of a bladder stimulation technique for urine collection among infants presenting to the emergency department (ED). METHODS This prospective cohort study enrolled a convenience sample of infants aged ≤ 90 days requiring urine testing in the ED. Infants were excluded if critically ill, moderately to severely dehydrated, or having significant feeding issues. Bladder stimulation consisted of finger tapping on the lower abdomen with or without lower back massage while holding the child upright. The primary outcome was successful midstream urine collection within 5 minutes of stimulation. Secondary outcomes included sample contamination, bladder stimulation time for successful urine collection, and perceived patient distress on a 100-mm visual analog scale (VAS). RESULTS We enrolled 151 infants and included 147 in the analysis. Median age was 53 days (interquartile range [IQR] 27-68 days). Midstream urine sample collection using bladder stimulation was successful in 78 infants (53.1%; 95% confidence interval [CI] 45-60.9). Thirty-nine samples (50%) were contaminated. Most contaminated samples (n = 31; 79.5%) were reported as "no significant growth" or "growth of 3 or more organisms". Median bladder stimulation time required for midstream urine collection was 45 seconds (IQR 20-120 seconds). Mean VAS for infant distress was 22 mm (standard deviation 23 mm). CONCLUSIONS The success rate of this bladder stimulation technique was lower than previously reported. The contamination rate was high, however most contaminated specimens were easily identified and had no clinical impact.
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António M, Vitorino R, Daniel-da-Silva AL. Gold nanoparticles-based assays for biodetection in urine. Talanta 2021; 230:122345. [PMID: 33934794 DOI: 10.1016/j.talanta.2021.122345] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 12/24/2022]
Abstract
Urine is a biofluid easy to collect through a non-invasive technique that allows collecting a large volume of sample. The use of urine for disease diagnosis is not yet well explored. However, it has gained attention over the last three years. It has been applied in the diagnosis of several illnesses such as kidney disease, bladder cancer, prostate cancer and cardiovascular diseases. In the last decade, gold nanoparticles (Au NPs) have attracted attention in biosensors' development for the diagnosis of diseases due to their electrical and optical properties, ability to conjugate with biomolecules, high sensitivity, and selectivity. Therefore, this article aims to present a comprehensive view of state of the art on the advances made in the quantification of analytes in urinary samples using AuNPs based assays, with a focus on protein analysis. The type of diagnosis methods, the Au NPs synthesis approaches and the strategies for surface modification aiming at selectivity towards the different targets are highlighted.
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Affiliation(s)
- Maria António
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rui Vitorino
- iBiMED-Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, 3810-193, Portugal; Department of Surgery and Physiology, Cardiovascular R&D Center, Faculty of Medicine of the University of Porto, Alameda Professor Hernâni Monteiro, 4200-319, Porto, Portugal; LAQV-REQUIMTE, Chemistry Department, University of Aveiro, Aveiro, Portugal.
| | - Ana L Daniel-da-Silva
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193, Aveiro, Portugal.
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Gatt D, Lendner I, Ben-Shimol S. Catheter-obtained, Enterococcus and Proteus positive urine cultures may represent mostly contamination or asymptomatic bacteriuria in infants <90 days. Infect Dis (Lond) 2021; 53:332-339. [PMID: 33620253 DOI: 10.1080/23744235.2021.1885731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
BACKGROUND Urinary tract infection (UTI) diagnosis in infants is often made by a positive urine culture result, regardless of urine dipstick findings. AIM To assess parameters that may affect positive urine culture results interpretation in infants, including dipstick performance, obtainment method, bacteria type, age and laboratory results. METHODS A retrospective, cohort study. Infants <90 days with urine dipstick and culture obtained through subrapubic aspiration (SPA) or catheter, 2015-2016, were included. RESULTS Overall, 19% (129/678) of cultures were positive. The dipstick sensitivity was 51% for all cultures; 66%, 47%, 15% and 10% for Escherichia coli (n= 71), Klebsiella (n= 19), Enterococcus (n= 34) and Proteus (n= 10), respectively (p<.001). Sensitivity was higher in SPA vs. catheter for all cultures (67% vs. 43%); E. coli (78% vs. 59%); and Klebsiella (88% vs. 18%). For Enterococcus, dipstick sensitivity was low in both SPA and catheter (0-16%). All Proteus episodes were catheter obtained. Positive culture with negative dipstick and Enterococcus episodes had lower C-reactive protein levels, and higher proportion of mixed infection compared with positive dipstick and E. coli episodes. CONCLUSIONS Urine cultures in infants should be obtained by SPA, since catheter-obtained, Enterococcus and Proteus positive cultures may represent contamination or asymptomatic bacteriuria, rather than true UTI.
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Affiliation(s)
- Dvir Gatt
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer Sheva, Israel.,Pediatric Pulmonary Unit, Soroka University Medical Center, Beer Sheva, Israel
| | - Idan Lendner
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer Sheva, Israel
| | - Shalom Ben-Shimol
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer Sheva, Israel
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11
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Diviney J, Jaswon MS. Urine collection methods and dipstick testing in non-toilet-trained children. Pediatr Nephrol 2021; 36:1697-1708. [PMID: 32918601 PMCID: PMC8172492 DOI: 10.1007/s00467-020-04742-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/03/2020] [Accepted: 07/16/2020] [Indexed: 11/03/2022]
Abstract
Urinary tract infection is a commonly occurring paediatric infection associated with significant morbidity. Diagnosis is challenging as symptoms are non-specific and definitive diagnosis requires an uncontaminated urine sample to be obtained. Common techniques for sampling in non-toilet-trained children include clean catch, bag, pad, in-out catheterisation and suprapubic aspiration. The pros and cons of each method are examined in detail in this review. They differ significantly in frequency of use, contamination rates and acceptability to parents and clinicians. National guidance of which to use differs significantly internationally. No method is clearly superior. For non-invasive testing, clean catch sampling has a lower likelihood of contamination and can be made more efficient through stimulation of voiding in younger children. In invasive testing, suprapubic aspiration gives a lower likelihood of contamination, a high success rate and a low complication rate, but is considered painful and is not preferred by parents. Urine dipstick testing is validated for ruling in or out UTI provided that leucocyte esterase (LE) and nitrite testing are used in combination.
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Affiliation(s)
- James Diviney
- Department of Paediatrics, Whittington Hospital, London, UK.
| | - Mervyn S. Jaswon
- grid.417095.e0000 0004 4687 3624Department of Paediatrics, Whittington Hospital, London, UK ,grid.22098.310000 0004 1937 0503Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
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12
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Mulcrone AE, Parikh M, Ahmad FA. Reducing infant catheterization in the emergency department through clean-catch urine collection. J Am Coll Emerg Physicians Open 2020; 1:1533-1541. [PMID: 33392562 PMCID: PMC7771792 DOI: 10.1002/emp2.12211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 07/10/2020] [Accepted: 07/14/2020] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE Our emergency department (ED) traditionally relied on urethral catheterization to obtain urine cultures when evaluating infants for urinary tract infections (UTIs). Catheterization is associated with adverse effects, and recent studies have demonstrated clean-catch urine methods can be successfully used to obtain urine cultures. We pursued a quality improvement (QI) initiative aimed at decreasing the frequency of urethral catheterizations in our ED by using an established clean-catch technique to obtain infant urine cultures. METHODS We implemented a clean-catch urine collection method, which we entitled "Bladder Massage," for infants 0-6 months of age needing a urine culture in our ED. Exclusions included critical illness, known urologic abnormality, or prior UTI diagnosis. Our primary interventions were educational initiatives. We retrospectively collected data regarding the use of bladder massage. Our balancing measure was the contamination rate of urine cultures obtained via bladder massage technique compared to catheterization. RESULTS In our first-year post-implementation, we identified 334 eligible patients. Bladder massage was attempted on 136/334 (40.7%) eligible infants, with 87/136 (64%) successful attempts, thus avoiding catheterization in 26.1% of patients. Our baseline contamination rate from catheterization was 8/488 (1.6%), compared to 10/87 (12%) using bladder massage (P < 0.001), with 9/10 contaminants from female patients. CONCLUSION We successfully introduced a method for clean-catch urine cultures in our pediatric ED, averting the need for urethral catheterization in many well-appearing infants. Ongoing efforts must focus on reduction of contamination in females, increased technique usage, and electronic health record changes to facilitate documentation to continue method use.
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Affiliation(s)
- Amanda E. Mulcrone
- Department of PediatricsWashington University School of Medicine in St. LouisSt. LouisMissouriUSA
- St. Louis Children's HospitalSt. LouisMissouriUSA
- Department of PediatricsBaylor College of MedicineSection of Emergency MedicineHoustonTexasUSA
| | - Manas Parikh
- Department of PediatricsWashington University School of Medicine in St. LouisSt. LouisMissouriUSA
- St. Louis Children's HospitalSt. LouisMissouriUSA
- Erie Family Health CenterChicagoIllinoisUSA
| | - Fahd A. Ahmad
- Department of PediatricsWashington University School of Medicine in St. LouisSt. LouisMissouriUSA
- St. Louis Children's HospitalSt. LouisMissouriUSA
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13
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Point-of-care ultrasound before attempting clean-catch urine collection in infants: a randomized controlled trial. CAN J EMERG MED 2020; 21:646-652. [PMID: 31006399 DOI: 10.1017/cem.2019.30] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE A new non-invasive bladder stimulation technique has been described to obtain clean-catch urine specimens in infants. This study aimed to evaluate if point-of-care ultrasound (POCUS) guided feeding protocol to measure bladder volume prior to stimulation techniques improves clean-catch urine collection success. METHODS A prospective randomized controlled trial study was conducted in a tertiary care pediatric emergency department. Infants aged less than 6 months needing a urine sample were randomized to either POCUS group or feeding group (standard procedure) before performing a standardized clean-catch urine stimulation technique. In the POCUS group, a feeding period was permitted if the bladder width was less than 2 cm, otherwise the clean-catch urine was performed immediately. The primary outcome was the success of the procedure defined by the collection of at least 2 mL of urine, obtained within 300 seconds of bladder stimulation manoeuvres. It was estimated that the recruitment of 200 children was necessary to yield 80% power to identify an improvement of 20% in the success rate. RESULTS A total of 201 infants were included. The procedure was not more successful in the POCUS group (48%) compared to the feeding group (54%) (Difference: 6.5%; 95% CI: -7.3 to 19.8%). The mean time to collect urine samples from randomization to sample collection was not different between the two groups. CONCLUSIONS Our study failed to show a benefit of using POCUS to improve the success rate of stimulated clean-catch urine. Moreover, the importance of the feeding period prior to clean-catch urine manoeuvres should be evaluated further. CLINICAL TRIAL REGISTRATION NCT02751671.
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14
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Coulthard MG. Defining urinary tract infection by bacterial colony counts: a case for 100,000 colonies/ml as the best threshold. Pediatr Nephrol 2019; 34:1639-1649. [PMID: 31254111 DOI: 10.1007/s00467-019-04283-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 05/19/2019] [Accepted: 05/31/2019] [Indexed: 10/26/2022]
Affiliation(s)
- Malcolm G Coulthard
- Great North Children's Hospital, Queen Victoria Road, Newcastle upon Tyne, NE1 4LP, UK.
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15
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Lendner I, Justman N, Givon-Lavi N, Maimon MS, Kestenbaum I, Ben-Shimol S. Urine dipstick low sensitivity for UTI diagnosis in febrile infants*. Infect Dis (Lond) 2019; 51:764-771. [DOI: 10.1080/23744235.2019.1652339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Affiliation(s)
- Idan Lendner
- Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer-Sheva, Israel
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Naphtali Justman
- Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer-Sheva, Israel
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Noga Givon-Lavi
- Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer-Sheva, Israel
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Michal S. Maimon
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
- Department of Pediatric Emergency Medicine, Soroka University Medical Center, Beer-Sheva, Israel
| | - Inbal Kestenbaum
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
- Department of Pediatric Emergency Medicine, Soroka University Medical Center, Beer-Sheva, Israel
| | - Shalom Ben-Shimol
- Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer-Sheva, Israel
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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16
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Management of febrile infants aged 1 month and less than 3 months in a French university hospital: Clinical practice evaluation. Arch Pediatr 2019; 26:313-319. [PMID: 31358405 DOI: 10.1016/j.arcped.2019.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 02/21/2019] [Accepted: 05/22/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Management of febrile infants is challenging due to the increased risk of serious bacterial infections and it varies among physicians and hospitals. The goals of this study were to describe and compare the management of febrile infants aged 1-2 months in a hospital in 2011 and 2016. METHODS We conducted a retrospective study in the Bordeaux Pellegrin University Hospital, France, in 2011 and 2016. All infants aged 1-2 months with diagnosis codes referring to fever were included. Data on infant characteristics, fever episodes, clinical symptoms, and management were collected from medical charts. Univariate analyses and multivariate logistic models were used. RESULTS A total of 530 infants were included; 89.2% had blood testing and 81.1% urine testing; 79.6% of the infants were hospitalized, three of them in the pediatric intensive care unit. The median hospitalization duration was 3 days. In the sample investigated, 59.8% of the infants received antibiotic therapy and 128 (24.1%) had bacterial infections with no difference between 2011 and 2016. The main bacterial infection was pyelonephritis (86.7%). Urethral catheterization was implemented in 2016, whereas a urine bag was utilized for 174 out of 177 infants in 2011. The percentage of contaminated urine cultures was higher in 2011 (35.9%) than in 2016 (19.6%, P<0.001). The hospitalization rate was higher in 2016. CONCLUSIONS Management of febrile infants changed between 2011 and 2016. The hospitalization rate and antibiotic therapy use remained high regarding the rate of bacterial infection. Use of urethral catheterization decreased the level of contamination.
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17
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Kuppermann N, Dayan PS, Levine DA, Vitale M, Tzimenatos L, Tunik MG, Saunders M, Ruddy RM, Roosevelt G, Rogers AJ, Powell EC, Nigrovic LE, Muenzer J, Linakis JG, Grisanti K, Jaffe DM, Hoyle JD, Greenberg R, Gattu R, Cruz AT, Crain EF, Cohen DM, Brayer A, Borgialli D, Bonsu B, Browne L, Blumberg S, Bennett JE, Atabaki SM, Anders J, Alpern ER, Miller B, Casper TC, Dean JM, Ramilo O, Mahajan P. A Clinical Prediction Rule to Identify Febrile Infants 60 Days and Younger at Low Risk for Serious Bacterial Infections. JAMA Pediatr 2019; 173:342-351. [PMID: 30776077 PMCID: PMC6450281 DOI: 10.1001/jamapediatrics.2018.5501] [Citation(s) in RCA: 206] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
IMPORTANCE In young febrile infants, serious bacterial infections (SBIs), including urinary tract infections, bacteremia, and meningitis, may lead to dangerous complications. However, lumbar punctures and hospitalizations involve risks and costs. Clinical prediction rules using biomarkers beyond the white blood cell count (WBC) may accurately identify febrile infants at low risk for SBIs. OBJECTIVE To derive and validate a prediction rule to identify febrile infants 60 days and younger at low risk for SBIs. DESIGN, SETTING, AND PARTICIPANTS Prospective, observational study between March 2011 and May 2013 at 26 emergency departments. Convenience sample of previously healthy febrile infants 60 days and younger who were evaluated for SBIs. Data were analyzed between April 2014 and April 2018. EXPOSURES Clinical and laboratory data (blood and urine) including patient demographics, fever height and duration, clinical appearance, WBC, absolute neutrophil count (ANC), serum procalcitonin, and urinalysis. We derived and validated a prediction rule based on these variables using binary recursive partitioning analysis. MAIN OUTCOMES AND MEASURES Serious bacterial infection, defined as urinary tract infection, bacteremia, or bacterial meningitis. RESULTS We derived the prediction rule on a random sample of 908 infants and validated it on 913 infants (mean age was 36 days, 765 were girls [42%], 781 were white and non-Hispanic [43%], 366 were black [20%], and 535 were Hispanic [29%]). Serious bacterial infections were present in 170 of 1821 infants (9.3%), including 26 (1.4%) with bacteremia, 151 (8.3%) with urinary tract infections, and 10 (0.5%) with bacterial meningitis; 16 (0.9%) had concurrent SBIs. The prediction rule identified infants at low risk of SBI using a negative urinalysis result, an ANC of 4090/µL or less (to convert to ×109 per liter, multiply by 0.001), and serum procalcitonin of 1.71 ng/mL or less. In the validation cohort, the rule sensitivity was 97.7% (95% CI, 91.3-99.6), specificity was 60.0% (95% CI, 56.6-63.3), negative predictive value was 99.6% (95% CI, 98.4-99.9), and negative likelihood ratio was 0.04 (95% CI, 0.01-0.15). One infant with bacteremia and 2 infants with urinary tract infections were misclassified. No patients with bacterial meningitis were missed by the rule. The rule performance was nearly identical when the outcome was restricted to bacteremia and/or bacterial meningitis, missing the same infant with bacteremia. CONCLUSIONS AND RELEVANCE We derived and validated an accurate prediction rule to identify febrile infants 60 days and younger at low risk for SBIs using the urinalysis, ANC, and procalcitonin levels. Once further validated on an independent cohort, clinical application of the rule has the potential to decrease unnecessary lumbar punctures, antibiotic administration, and hospitalizations.
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Affiliation(s)
- Nathan Kuppermann
- Departments of Emergency Medicine and Pediatrics, University of California, Davis School of Medicine, Sacramento
| | - Peter S. Dayan
- Division of Emergency Medicine, Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Deborah A. Levine
- Department of Pediatrics, Bellevue Hospital, New York University Langone Medical Center, New York, New York
| | - Melissa Vitale
- Division of Emergency Medicine, Department of Pediatrics, Children’s Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Leah Tzimenatos
- Department of Emergency Medicine, University of California, Davis School of Medicine, Sacramento
| | - Michael G. Tunik
- Department of Pediatrics, Bellevue Hospital, New York University Langone Medical Center, New York, New York
| | - Mary Saunders
- Department of Pediatrics, Children’s Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee,Children’s Hospital of Colorado, University of Colorado School of Medicine, Aurora
| | - Richard M. Ruddy
- Division of Emergency Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Genie Roosevelt
- Department of Pediatrics, The Colorado Children’s Hospital, University of Colorado, Denver
| | - Alexander J. Rogers
- Departments of Emergency Medicine and Pediatrics, University of Michigan School of Medicine, Ann Arbor
| | - Elizabeth C. Powell
- Division of Emergency Medicine, Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Lise E. Nigrovic
- Division of Emergency Medicine, Department of Pediatrics, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jared Muenzer
- Division of Emergency Medicine, Department of Pediatrics, St Louis Children’s Hospital, Washington University, St Louis, Missouri,Division of Emergency Medicine, Phoenix Children’s Hospital, Phoenix, Arizona
| | - James G. Linakis
- Department of Emergency Medicine and Pediatrics, Hasbro Children’s Hospital, Providence, Rhode Island,Brown University School of Medicine, Providence, Rhode Island
| | - Kathleen Grisanti
- Department of Pediatrics, Women and Children’s Hospital of Buffalo, State University of New York at Buffalo School of Medicine
| | - David M. Jaffe
- Division of Emergency Medicine, Department of Pediatrics, St Louis Children’s Hospital, Washington University, St Louis, Missouri
| | - John D. Hoyle
- Department of Emergency Medicine, Helen DeVos Children’s Hospital of Spectrum Health, Grand Rapids, Michigan,Departments of Emergency Medicine and Pediatrics, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo
| | - Richard Greenberg
- Division of Emergency Medicine, Department of Pediatrics, Primary Children’s Medical Center, University of Utah, Salt Lake City
| | - Rajender Gattu
- Division of Emergency Medicine, Department of Pediatrics, University of Maryland Medical Center, Baltimore
| | - Andrea T. Cruz
- Sections of Emergency Medicine and Infectious Diseases, Department of Pediatrics, Texas Children’s Hospital, Baylor College of Medicine, Houston
| | - Ellen F. Crain
- Department of Pediatrics, Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Daniel M. Cohen
- Division of Emergency Medicine, Department of Pediatrics, Nationwide Children’s Hospital, Columbus, Ohio,The Ohio State University School of Medicine, Columbus
| | - Anne Brayer
- Departments of Emergency Medicine and Pediatrics, University of Rochester Medical Center, Rochester, New York
| | - Dominic Borgialli
- Department of Emergency Medicine, Hurley Medical Center, Flint, Michigan,University of Michigan School of Medicine, Ann Arbor
| | - Bema Bonsu
- Division of Emergency Medicine, Department of Pediatrics, Nationwide Children’s Hospital, Columbus, Ohio,The Ohio State University School of Medicine, Columbus
| | - Lorin Browne
- Departments of Pediatrics and Emergency Medicine, Children’s Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee
| | - Stephen Blumberg
- Department of Pediatrics, Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Jonathan E. Bennett
- Division of Emergency Medicine, Alfred I. duPont Hospital for Children, Nemours Children’s Health System, Thomas Jefferson School of Medicine, Wilmington, Delaware
| | - Shireen M. Atabaki
- Division of Emergency Medicine, Department of Pediatrics, Children’s National Medical Center, The George Washington School of Medicine and Health Sciences, Washington, DC
| | - Jennifer Anders
- Department of Pediatrics, Johns Hopkins University, Baltimore, Maryland
| | - Elizabeth R. Alpern
- Division of Emergency Medicine, Department of Pediatrics, Children’s Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia,Ann and Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Benjamin Miller
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City
| | - T. Charles Casper
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City
| | - J. Michael Dean
- Department of Pediatrics, University of Utah School of Medicine, Salt Lake City
| | - Octavio Ramilo
- The Ohio State University School of Medicine, Columbus,Division of Pediatric Infectious Diseases and Center for Vaccines and Immunity, Nationwide Children’s Hospital, Columbus, Ohio
| | - Prashant Mahajan
- Division of Emergency Medicine, Department of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit, Michigan,Department of Emergency Medicine, University of Michigan School of Medicine, Ann Arbor
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Abstract
Abstract
Urinary tract infection (UTI) represents one of the most frequent infections with bacterial etiology during childhood. In infants and toddlers with fever without source UTI’ investigation should be carried out, since signs and symptoms are nonspecific. However, obtaining uncontaminated urine samples from these patients can be challenging and time consuming; all current collection methods (clean-catch, plastic collection bag, catheterization, etc) have disadvantages. Criteria for UTI definition are represented by the presence of significant number of a single uropathogen, this number being different depending on the collection method: at least 1000 colony-forming unit (CFU/ml) for catheter samples and at least 100.000 CFU/ml from midstream clean-catch samples or 50.000 CFU/ml and significant pyuria in a symptomatic or febrile child. Accurate diagnosis of UTI is essential to avoid any antibiotic overuse and expensive investigations. UTI caused by resistant bacterial strains has an increasing prevalence in children. In pediatric population, extended spectrum beta-lactamase-producing Enterobacteriaceae (ESBLPE) represent the etiology of around 15% of UTIs. Because of limited therapeutic options the reintroduction of some old antimicrobial agents is necessary, therefore Nitrofurantoin and Fosfomycin, can represent alternatives for oral treatment and prophylaxis of UTIs in children or in case of resistance suspicion to other drug classes. It is important to recognize patients at risk, such as children with recurrent UTIs, kidney abnormalities, like vesicoureteral reflux and previous antibiotherapy, in order to recommend adequate empiric treatment, especially against resistant bacteria.
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19
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Using urine nitrite sticks to test for urinary tract infection in children aged < 2 years: a meta-analysis. Pediatr Nephrol 2019; 34:1283-1288. [PMID: 30895368 PMCID: PMC6531406 DOI: 10.1007/s00467-019-04226-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 02/24/2019] [Accepted: 02/27/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND This study aimed to determine whether nitrite sticks are as sensitive at detecting urinary tract infection (UTI) in children <2 years as they are in older children. METHODS I reanalysed data on using nitrite sticks to detect UTIs for children aged either < 2 or 2-18 years. For sensitivity, evidence of a UTI was defined as level 1 when a single uropathogen grew ≥ 105 colony forming units/ml (cfu/ml) in two urine samples, level 2 when just one sample was cultured or a threshold of < 105 cfu/ml was used, and level 3 if mixed growths or Staphylococcus albus was considered to be positive. For specificity, children were defined as uninfected if they had 1 sterile urine culture. I also reanalysed our previously published data by age. RESULTS The sensitivity was lower for children aged < 2 years (11 studies, 1321 subjects) than for older children (9 studies, 295 subjects), whether the level-1 values or all the studies were analysed (Fisher's exact test, p < 0.0001 for both). The level-1 sensitivities were 0.23 in the infants and 0.81 among older children (odds ratio = 0.07, 95% confidence interval 0.03-0.18). The specificity was very high in infants (10 studies, 1783 cases) and older children (7 studies, 5952 cases), at 0.990 and 0.996. CONCLUSIONS Nitrite sticks only have a 23% sensitivity in children aged < 2 years, so cannot reliably rule out UTIs. A positive nitrite stick test is about 99% likely to indicate a UTI in children of any age.
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20
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Herreros ML, Tagarro A, Cañete A, Gili P. Response to queries on the use of urine dipstick tests for infants with unexplained fever. Acta Paediatr 2018; 107:904. [PMID: 29460313 DOI: 10.1111/apa.14285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- María L Herreros
- Hospital Universitario Infanta Sofia, San Sebastian de los Reyes, Spain
| | - Alfredo Tagarro
- Hospital Universitario Infanta Sofia, San Sebastian de los Reyes, Spain
| | - Alfonso Cañete
- Hospital Universitario Infanta Sofia, San Sebastian de los Reyes, Spain
| | - Pablo Gili
- Universidad Europea de Madrid, Madrid, Spain
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21
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Panghal A, Pandita A, Gupta G, Naranje K, Singh A. Urine dipstick tests can aid decision-making when treating infants with unexplained fever, but more research is needed. Acta Paediatr 2018; 107:903. [PMID: 29281750 DOI: 10.1111/apa.14207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Astha Panghal
- Department of Neonatology; Sanjay Gandhi Postgraduate Institute of Medical Sciences; Lucknow UP India
| | - Aakash Pandita
- Department of Neonatology; Sanjay Gandhi Postgraduate Institute of Medical Sciences; Lucknow UP India
| | - Girish Gupta
- Department of Neonatology; Sanjay Gandhi Postgraduate Institute of Medical Sciences; Lucknow UP India
| | - Kirti Naranje
- Department of Neonatology; Sanjay Gandhi Postgraduate Institute of Medical Sciences; Lucknow UP India
| | - Anita Singh
- Department of Neonatology; Sanjay Gandhi Postgraduate Institute of Medical Sciences; Lucknow UP India
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