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Takashima M, Hyun A, Xu G, Lions A, Gibson V, Cruickshank M, Ullman A. Infection Associated With Invasive Devices in Pediatric Health Care: A Meta-analysis. Hosp Pediatr 2024; 14:e42-e56. [PMID: 38161188 DOI: 10.1542/hpeds.2023-007194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
CONTEXT Indwelling invasive devices inserted into the body for extended are associated with infections. OBJECTIVE This study aimed to estimate infection proportion and rates associated with invasive devices in pediatric healthcare. DATA SOURCES Medline, CINAHL, Embase, Web of Science, Scopus, Cochrane CENTRAL, clinical trial registries, and unpublished study databases were searched. STUDY SELECTION Cohort studies and trials published from January 2011 to June 2022, including (1) indwelling invasive devices, (2) pediatric participants admitted to a hospital, (3) postinsertion infection complications, and (4) published in English, were included. DATA EXTRACTION Meta-analysis of observational studies in epidemiology guidelines for abstracting and assessing data quality and validity were used. MAIN OUTCOMES AND MEASURES Device local, organ, and bloodstream infection (BSIs) pooled proportion and incidence rate (IR) per-1000-device-days per device type were reported. RESULTS A total of 116 studies (61 554 devices and 3 632 364 device-days) were included. The highest number of studies were central venous access devices associated BSI (CVAD-BSI), which had a pooled proportion of 8% (95% confidence interval [CI], 6-11; 50 studies) and IR of 0.96 per-1000-device-days (95% CI, 0.78-1.14). This was followed by ventilator-associated pneumonia in respiratory devices, which was 19% (95% CI, 14-24) and IR of 14.08 per-1000-device-days (95%CI, 10.57-17.58). CONCLUSIONS Although CVAD-BSI and ventilator associated pneumonia are well-documented, there is a scarcity of reporting on tissue and local organ infections. Standard guidelines and compliance initiatives similar to those dedicated to CVADs should be implemented in other devices in the future.
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Affiliation(s)
- Mari Takashima
- The University of Queensland, Queensland, Australia
- Centre for Children's Health Research, Children's Health Queensland Hospital and Health Service, Queensland, Australia
| | - Areum Hyun
- The University of Queensland, Queensland, Australia
| | - Grace Xu
- The University of Queensland, Queensland, Australia
- NHMRC Centre for Research Excellence in Wiser Wound Care, Griffith University, Queensland, Australia
| | | | - Victoria Gibson
- The University of Queensland, Queensland, Australia
- Centre for Children's Health Research, Children's Health Queensland Hospital and Health Service, Queensland, Australia
| | - Marilyn Cruickshank
- Sydney Children's Hospitals Network, New South Wales, Australia
- The University of Technology Sydney, New South Wales, Australia
| | - Amanda Ullman
- The University of Queensland, Queensland, Australia
- Centre for Children's Health Research, Children's Health Queensland Hospital and Health Service, Queensland, Australia
- NHMRC Centre for Research Excellence in Wiser Wound Care, Griffith University, Queensland, Australia
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Ullman A, Hyun A, Gibson V, Newall F, Takashima M. Device Related Thrombosis and Bleeding in Pediatric Health Care: A Meta-analysis. Hosp Pediatr 2024; 14:e25-e41. [PMID: 38161187 DOI: 10.1542/hpeds.2023-007345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
CONTEXT The risk of invasive device-related thrombosis and bleeding contributes to morbidity and mortality, yet their prevalence by device-types is poorly understood. OBJECTIVES This study aimed to estimate pooled proportions and rates of thrombotic and bleeding complications associated with invasive devices in pediatric health care. DATA SOURCES Medline, CINAHL, Embase, Web of Science, Scopus, Cochrane CENTRAL, clinical trial registries, and unpublished study databases were searched. STUDY SELECTION Cohort studies and trials published from January 2011 to June 2022, including (1) indwelling invasive devices, (2) pediatric participants admitted to a hospital, (3) reporting thrombotic and bleeding complications, and (4) published in English, were included. DATA EXTRACTION Meta-analysis of observational studies in epidemiology guidelines for abstracting and assessing data quality and validity were used. MAIN OUTCOMES AND MEASURES Device-specific pooled thromboses (symptomatic, asymptomatic, unspecified) and bleeding (major, minor). RESULTS Of the 107 studies, 71 (66%) focused on central venous access devices. Symptomatic venous thromboembolism in central venous access devices was 4% (95% confidence interval [CI], 3-5; incidence rate 0.03 per 1000 device-days, 95% CI, 0.00-0.07), whereas asymptomatic was 10% (95% CI, 7-13; incidence rate 0.25 per 1000 device-days, 95% CI, 0.14-0.36). Both ventricular assist devices (28%; 95% CI, 19-39) and extracorporeal membrane oxygenation (67%; 95% CI, 52-81) were often associated with major bleeding complications. CONCLUSIONS This comprehensive estimate of the incidence and prevalence of device-related thrombosis and bleeding complications in children can inform clinical decision-making, guide risk assessment, and surveillance.
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Affiliation(s)
- Amanda Ullman
- School of Nursing, Midwifery and Social Work, The University of Queensland, Queensland, Australia
- Centre for Children's Health Research, Children's Health Queensland Hospital and Health Service, Queensland, Australia
- NHMRC Centre for Research Excellence in Wiser Wound Care, Griffith University, Queensland, Australia
| | - Areum Hyun
- School of Nursing, Midwifery and Social Work, The University of Queensland, Queensland, Australia
| | - Victoria Gibson
- School of Nursing, Midwifery and Social Work, The University of Queensland, Queensland, Australia
- Centre for Children's Health Research, Children's Health Queensland Hospital and Health Service, Queensland, Australia
| | - Fiona Newall
- Royal Children's Hospital Melbourne, Victoria, Australia
- The University of Melbourne, Victoria, Australia
| | - Mari Takashima
- School of Nursing, Midwifery and Social Work, The University of Queensland, Queensland, Australia
- Centre for Children's Health Research, Children's Health Queensland Hospital and Health Service, Queensland, Australia
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Hansen RS, Nybo M, Hvas AM. Venous Thromboembolism in Pediatric Cancer Patients with Central Venous Catheter-A Systematic Review and Meta-analysis. Semin Thromb Hemost 2021; 47:920-930. [PMID: 34474495 DOI: 10.1055/s-0041-1729886] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Pediatric cancer patients hold an increased risk of venous thromboembolism (VTE) due to their cancer. Central venous catheters (CVCs) further increase the VTE risk. This systematic literature review elucidates the VTE incidence in pediatric cancer patients with CVC. MEDLINE and EMBASE were searched in August 2020 without time limits. We included studies reporting original data on patients ≤18 years with any CVC type and any cancer type, who were examined for VTE with ≥7 days follow-up. In total, 682 unique records were identified, whereof 189 studies were assessed in full text. Altogether, 25 studies were included, containing 2,318 pediatric cancer patients with CVC, of which 17% suffered VTE. Fifteen studies (n = 1,551) described CVC-related VTE and reported 11% CVC-related VTE. Concerning cancer type, 991 children suffered from acute lymphoblastic leukemia (ALL) and 616 from solid tumors. Meta-analysis revealed VTE incidence (95% confidence interval) of 21% (8-37) for ALL and 7% (0.1-17) for solid tumors. Additionally, 20% of children with tunneled or nontunneled CVC and 12% of children with implantable ports suffered VTE. In conclusion, pediatric cancer patients with CVC have substantial VTE risk. Children with ALL and CVC have higher VTE incidence than children with solid tumors and CVC. Implantable port catheter should be preferred over tunneled or nontunneled CVC to reduce VTE risk. Thrombophilia investigation does not seem relevant in pediatric cancer patients with CVC and VTE. To prevent VTE, intensified catheter care is recommended, especially in children with ALL.
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Affiliation(s)
- Rasmus Søgaard Hansen
- Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, Odense, Denmark
| | - Mads Nybo
- Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, Odense, Denmark
| | - Anne-Mette Hvas
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Bradford NK, Edwards RM, Chan RJ. Normal saline (0.9% sodium chloride) versus heparin intermittent flushing for the prevention of occlusion in long-term central venous catheters in infants and children. Cochrane Database Syst Rev 2020; 4:CD010996. [PMID: 32352563 PMCID: PMC7192095 DOI: 10.1002/14651858.cd010996.pub3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Guidelines and clinical practice for the prevention of complications associated with central venous catheters (CVC) around the world vary greatly. Most institutions recommend the use of heparin to prevent occlusion; there is debate, however, regarding the need for heparin and evidence to suggest normal saline (0.9% sodium chloride) may be as effective. The use of heparin is not without risk, may be unnecessary and is also associated with increased cost. This is an update of the review published in 2015. OBJECTIVES To assess the clinical effects (benefits and harms) of intermittent flushing of normal saline versus heparin to prevent occlusion in long-term central venous catheters in infants and children. SEARCH METHODS The Cochrane Vascular Information Specialist searched the Cochrane Vascular Specialised Register, CENTRAL, MEDLINE, Embase and CINAHL databases; World Health Organization International Clinical Trials Registry Platform and ClinicalTrials.gov trials register to 9 April 2019. We also undertook reference checking, citation searching and contact with study authors to identify additional studies. SELECTION CRITERIA We included randomised controlled trials (RCTs) that compared the efficacy of intermittent flushing with normal saline versus heparin to prevent occlusion of long-term CVCs in infants and children aged up to 18 years of age. We excluded temporary CVCs and peripherally inserted central catheters (PICC). DATA COLLECTION AND ANALYSIS Two review authors independently assessed trial inclusion criteria, trial quality and extracted data. We assessed study quality with the Cochrane 'Risk of bias' tool. For dichotomous outcomes, we calculated the rate ratio (RR) and corresponding 95% confidence interval (CI). We pooled data using a random-effects model; and we used GRADE to assess the overall certainty of the evidence supporting the outcomes assessed in this review. MAIN RESULTS We identified one new study for this update, bringing the total number of included studies to four (255 participants). The four trials directly compared the use of normal saline and heparin; the studies all used different protocols for the intervention and control arms, however, and all used different concentrations of heparin. Different frequencies of flushes were also reported between studies. In addition, not all studies reported on all outcomes. The certainty of the evidence ranged from moderate to very low because there was no blinding; heterogeneity and inconsistency between studies was high; and the CIs were wide. CVC occlusion was assessed in all four trials. We were able to pool the results of two trials for the outcomes of CVC occlusion and CVC-associated blood stream infection. The estimated RR for CVC occlusion per 1000 catheter days between the normal saline and heparin groups was 0.75 (95% CI 0.10 to 5.51; 2 studies, 229 participants; very low certainty evidence). The estimated RR for CVC-associated blood stream infection was 1.48 (95% CI 0.24 to 9.37; 2 studies, 231 participants; low-certainty evidence). The duration of catheter placement was reported to be similar for the two study arms in one study (203 participants; moderate-certainty evidence), and not reported in the remaining studies. AUTHORS' CONCLUSIONS The review found that there was not enough evidence to determine the effects of intermittent flushing with normal saline versus heparin to prevent occlusion in long-term central venous catheters in infants and children. It remains unclear whether heparin is necessary to prevent occlusion, CVC-associated blood stream infection or effects duration of catheter placement. Lack of agreement between institutions around the world regarding the appropriate care and maintenance of these devices remains.
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Affiliation(s)
- Natalie K Bradford
- Centre for Children's Health Research, Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), South Brisbane, Australia
| | - Rachel M Edwards
- Oncology Services Group, Queensland Children's Hospital, South Brisbane, Australia
| | - Raymond J Chan
- School of Nursing, Queensland University of Technology, Brisbane, Australia
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Bradford NK, Edwards RM, Chan RJ. Heparin versus 0.9% sodium chloride intermittent flushing for the prevention of occlusion in long term central venous catheters in infants and children: A systematic review. Int J Nurs Stud 2016; 59:51-9. [PMID: 27222450 DOI: 10.1016/j.ijnurstu.2016.02.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/22/2016] [Accepted: 02/26/2016] [Indexed: 10/22/2022]
Abstract
BACKGROUND Around the world, guidelines and clinical practice for the prevention of complications associated with central venous catheters (CVC) vary greatly. To prevent occlusion, most institutions recommend the use of heparin when the CVC is not in use. However, there is debate regarding the need for heparin and evidence to suggest normal saline may be as effective. The use of heparin is not without risk, may be unnecessary and is also associated with increased costs. OBJECTIVES To assess the clinical effects (benefits and harms) of heparin versus normal saline to prevent occlusion in long-term central venous catheters in infants, children and adolescents. DESIGN A Cochrane systematic review of randomised controlled trials was undertaken. DATA SOURCES The Cochrane Vascular Group Specialised Register (including MEDLINE, CINAHL, EMBASE and AMED) and the Cochrane Register of Studies were searched. Hand searching of relevant journals and reference lists of retrieved articles was also undertaken. REVIEW METHODS Data were extracted and appraisal undertaken. We included studies that compared the efficacy of normal saline with heparin to prevent occlusion. We excluded temporary CVCs and peripherally inserted central catheters. Rate ratios per 1000 catheter days were calculated for two outcomes, occlusion of the CVC, and CVC-associated blood stream infection. RESULTS Three trials with a total of 245 participants were included in this review. The three trials directly compared the use of normal saline and heparin. However, between studies, all used different protocols with various concentrations of heparin and frequency of flushes. The quality of the evidence ranged from low to very low. The estimated rate ratio for CVC occlusion per 1000 catheter days between the normal saline and heparin group was 0.75 (95% CI 0.10 to 5.51, two studies, 229 participants, very low quality evidence). The estimated rate ratio for CVC-associated blood stream infection was 1.48 (95% CI 0.24 to 9.37, two studies, 231 participants; low quality evidence). CONCLUSIONS It remains unclear whether heparin is necessary for CVC maintenance. More well-designed studies are required to understand this relatively simple, but clinically important question. Ultimately, if this evidence were available, the development of evidenced-based clinical practice guidelines and consistency of practice would be facilitated.
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Affiliation(s)
- Natalie K Bradford
- The Centre for Online Health, School of Medicine, The University of Queensland, Brisbane, Australia; Queensland Youth Cancer Service, The Lady Cilento Children's Hospital, Brisbane, Australia.
| | - Rachel M Edwards
- Queensland Children's Cancer Institute, The Lady Cilento Children's Hospital, Brisbane, Australia
| | - Raymond J Chan
- Institute of Health and Biomedical Innovation and School of Nursing, Queensland University of Technology, Brisbane, Australia; Cancer Nursing Professorial Precinct, Royal Brisbane and Women's Hospital, Metro North Hospital and Health Service, Brisbane, Australia
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Bradford NK, Edwards RM, Chan RJ. Heparin versus 0.9% sodium chloride intermittent flushing for the prevention of occlusion in long term central venous catheters in infants and children. Cochrane Database Syst Rev 2015:CD010996. [PMID: 26590504 DOI: 10.1002/14651858.cd010996.pub2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Guidelines and clinical practice for the prevention of complications associated with central venous catheters (CVC) around the world vary greatly. Most institutions recommend the use of heparin to prevent occlusion, however there is debate regarding the need for heparin and evidence to suggest 0.9% sodium chloride (normal saline) may be as effective. The use of heparin is not without risk, may be unnecessary and is also associated with increased cost. OBJECTIVES To assess the clinical effects (benefits and harms) of intermittent flushing of heparin versus normal saline to prevent occlusion in long term central venous catheters in infants and children. SEARCH METHODS The Cochrane Vascular Trials Search Co-ordinator searched the Specialised Register (last searched April 2015) and the Cochrane Register of Studies (Issue 3, 2015). We also searched the reference lists of retrieved trials. SELECTION CRITERIA Randomised controlled trials that compared the efficacy of normal saline with heparin to prevent occlusion of long term CVCs in infants and children aged up to 18 years of age were included. We excluded temporary CVCs and peripherally inserted central catheters (PICC). DATA COLLECTION AND ANALYSIS Two review authors independently assessed trial inclusion criteria, trial quality and extracted data. Rate ratios were calculated for two outcome measures - occlusion of the CVC and central line-associated blood stream infection. Other outcome measures included duration of catheter placement, inability to withdraw blood from the catheter, use of urokinase or recombinant tissue plasminogen, incidence of removal or re-insertion of the catheter, or both, and other CVC-related complications such as dislocation of CVCs, other CVC site infections and thrombosis. MAIN RESULTS Three trials with a total of 245 participants were included in this review. The three trials directly compared the use of normal saline and heparin, however, between studies, all used different protocols for the standard and experimental arms with different concentrations of heparin and different frequency of flushes reported. In addition, not all studies reported on all outcomes. The quality of the evidence ranged from low to very low because there was no blinding, heterogeneity and inconsistency between studies was high and the confidence intervals were wide. CVC occlusion was assessed in all three trials (243 participants). We were able to pool the results of two trials for the outcomes of CVC occlusion and CVC-associated blood stream infection. The estimated rate ratio for CVC occlusion per 1000 catheter days between the normal saline and heparin group was 0.75 (95% CI 0.10 to 5.51, two studies, 229 participants, very low quality evidence). The estimated rate ratio for CVC-associated blood stream infection was 1.48 (95% CI 0.24 to 9.37, two studies, 231 participants; low quality evidence). The duration of catheter placement was reported to be similar between the two study arms, in one study (203 participants). AUTHORS' CONCLUSIONS The review found that there was not enough evidence to determine the effects of intermittent flushing of heparin versus normal saline to prevent occlusion in long term central venous catheters in infants and children. Ultimately, if this evidence were available, the development of evidenced-based clinical practice guidelines and consistency of practice would be facilitated.
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Affiliation(s)
- Natalie K Bradford
- The Centre for Online Health, School of Medicine, The University of Queensland, Lady Cilento Children's Hospital, Brisbane, Australia, 4012
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