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Kovács J, Máté V, Obeidat M, Nagy R, Agócs G, Kiss-Dala S, Hegyi P, Kiss-Miki R, Párniczky A, Müller KE, Garami M. Antibiotic-Impregnated Ventriculoperitoneal Shunts Decrease Bacterial Shunt Infection: A Systematic Review and Meta-Analysis. Neurosurgery 2024:00006123-990000000-01179. [PMID: 38808998 DOI: 10.1227/neu.0000000000003009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 03/29/2024] [Indexed: 05/30/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Antibiotic-impregnated shunts seem to be beneficial in preventing bacterial infections and decreasing mortality by effectively inhibiting microbial growth in the shunt system and reducing the risk of shunt-associated infections. This study aimed to evaluate the efficacy of antibiotic-impregnated shunt catheters (AISC) in reducing the incidence of bacterial shunt infection in patients with hydrocephalus. METHODS The protocol was registered on PROSPERO. A meta-analysis was conducted by searching 3 databases (PubMed, Scopus, CENTRAL) for relevant randomized controlled trials and observational studies. We included all studies published until November 2022 in any language. The primary outcome was the rate of bacterial infections, whereas the rate of shunt failure was our secondary endpoint. Odds ratios (OR) with 95% CI were calculated using a random-effects model. RESULTS A total of 27 articles with 27 266 shunt operations were included in this study. The results indicated that using AISC is significantly associated with reduction in infections (OR = 0.42; 95% CI: 0.33-0.54). Regarding shunt failure, there was a tendency in favor of AISC use (OR = 0.73; 95% CI: 0.51-1.06). CONCLUSION Our study provided evidence that AISC is significantly associated with the reduction in the rate of bacterial ventriculoperitoneal-shunt infection. In addition, there was a tendency toward AISC to decrease shunt failure compared with the standard shunt.
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Affiliation(s)
- Janka Kovács
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Pediatric Center, MTA Center of Excellence, Semmelweis University, Budapest, Hungary
| | - Vanda Máté
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Pediatric Center, MTA Center of Excellence, Semmelweis University, Budapest, Hungary
| | - Mahmoud Obeidat
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Rita Nagy
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Heim Pál National Pediatric Institute, Budapest, Hungary
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Gergely Agócs
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Institute of Biophysics and Radiation Biology, Semmelweis University, Budapest, Hungary
| | - Szilvia Kiss-Dala
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Péter Hegyi
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
- Institute of Pancreatic Diseases, Semmelweis University, Budapest, Hungary
| | - Renáta Kiss-Miki
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Andrea Párniczky
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Heim Pál National Pediatric Institute, Budapest, Hungary
| | - Katalin E Müller
- Heim Pál National Pediatric Institute, Budapest, Hungary
- Department of Family Care Methodology, Faculty of Health Sciences, Semmelweis University, Budapest, Hungary
| | - Miklós Garami
- Centre for Translational Medicine, Semmelweis University, Budapest, Hungary
- Pediatric Center, MTA Center of Excellence, Semmelweis University, Budapest, Hungary
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Cerebrospinal Fluid System Infection in Children with Cancer: A Retrospective Analysis over 14 Years in a Major European Pediatric Cancer Center. Antibiotics (Basel) 2022; 11:antibiotics11081113. [PMID: 36009982 PMCID: PMC9405352 DOI: 10.3390/antibiotics11081113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/06/2022] [Accepted: 08/14/2022] [Indexed: 11/24/2022] Open
Abstract
Infection of a cerebrospinal fluid system is a serious medical complication. We performed a retrospective monocentric analysis on temporary and permanent cerebrospinal fluid devices in children with and without cancer, covering a period of over 14 years. Between 2004 and 2017, 275 children with a cerebrospinal fluid system were seen at our institution. Thirty-eight children suffered from 51 microbiologically proven infectious episodes of the cerebrospinal fluid system (12 children with cancer and 26 children without cancer). Independently of the cerebrospinal fluid system used, the incidence of infection did not significantly differ between children with and without cancer and was the highest in children younger than one year. Infection occurred earlier in external ventricular drain (EVD) than ventriculoperitoneal (VP) shunt, and in EVD significantly earlier in children with cancer compared with patients without cancer. The pathogens isolated were mainly Gram-positive bacteria, in particular Staphylococcus spp., which should be taken into account for empirical antimicrobial therapy.
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Zhou WX, Hou WB, Zhou C, Yin YX, Lu ST, Liu G, Fang Y, Li JW, Wang Y, Liu AH, Zhang HJ. Systematic Review and Meta-Analysis of Antibiotic-Impregnated Shunt Catheters on Anti-Infective Effect of Hydrocephalus Shunt. J Korean Neurosurg Soc 2021; 64:297-308. [PMID: 33626856 PMCID: PMC7969052 DOI: 10.3340/jkns.2019.0219] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/04/2020] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE Shunt infection is a common complication while treating hydrocephalus. The antibiotic-impregnated shunt catheter (AISC) was designed to reduce shunt infection rate. A meta-analysis was conducted to study the effectiveness of AISCs in reduction of shunt infection in terms of age, follow-up time and high-risk patient population. METHODS This study reviewed literature from three databases including PubMed, EMBASE, and Cochrane Library (from 2000 to March 2019). Clinical studies from controlled trials for shunt operation were included in this analysis. A subgroup analysis was performed based on the patient's age, follow-up time and high-risk population. The fixed effect in RevMan 5.3 software (Cochrane Collaboration) was used for this meta-analysis. RESULTS This study included 19 controlled clinical trials including 10105 operations. The analysis demonstrated that AISC could reduce the infection rate in shunt surgery compared to standard shunt catheter (non-AISC) from 8.13% to 4.09% (odds ratio [OR], 0.48; 95% confidence interval [CI], 0.40-0.58; p=0.01; I2=46%). Subgroup analysis of different age groups showed that AISC had significant antimicrobial effects in all three groups (adult, infant, and adolescent). Follow-up time analysis showed that AISC was effective in preventing early shunt infections (within 6 months after implant). AISC is more effective in high-risk population (OR, 0.24; 95% CI, 0.14-0.40; p=0.60; I2=0%) than in general patient population. CONCLUSION The results of meta-analysis indicated that AISC is an effective method for reducing shunt infection. We recommend that AISC should be considered for use in infants and high-risk groups. For adult patients, the choice for AISC could be determined based on the treatment cost.
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Affiliation(s)
- Wen-Xiu Zhou
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Wen-Bo Hou
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Chao Zhou
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Yu-Xia Yin
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Shou-Tao Lu
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Guang Liu
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Yi Fang
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Jian-Wen Li
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Yan Wang
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China
| | - Ai-Hua Liu
- Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.,China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Hai-Jun Zhang
- National United Engineering Laboratory for Biomedical Material Modification, Branden Industrial Park, Dezhou, China.,Department of Vascular & Intervention, Tenth People's Hospital of Tongji University, Shanghai, China.,Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Alborg, Denmark
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Raygor KP, Oh T, Hwang JY, Phelps RRL, Ghoussaini K, Wong P, Silvers R, Ostling LR, Sun PP. Ventriculoperitoneal shunt infection rates using a standard surgical technique, including topical and intraventricular vancomycin: the Children's Hospital Oakland experience. J Neurosurg Pediatr 2020; 26:504-512. [PMID: 32707540 DOI: 10.3171/2020.4.peds209] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 04/24/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Ventriculoperitoneal (VP) shunt infections are common complications after shunt operations. Despite the use of intravenous antibiotics, the incidence of infections remains high. Though antibiotic-impregnated catheters (AICs) are commonly used, another method of infection prophylaxis is the use of intraventricular (IVT) antibiotics. The authors describe their single-institution experience with a standard shunt protocol utilizing prophylactic IVT and topical vancomycin administration and report the incidence of pediatric shunt infections. METHODS Three hundred two patients undergoing VP shunt procedures with IVT and topical vancomycin between 2006 and 2016 were included. Patients were excluded if their age at surgery was greater than 18 years. Shunt operations were performed at a single institution following a standard shunt protocol implementing IVT and topical vancomycin. No AICs were used. Clinical data were retrospectively collected from the electronic health records. RESULTS Over the 11-year study period, 593 VP shunt operations were performed with IVT and topical vancomycin, and a total of 19 infections occurred (incidence 3.2% per procedure). The majority of infections (n = 10, 52.6%) were caused by Staphylococcus epidermidis. The median time to shunt infection was 3.7 weeks. On multivariate analysis, the presence of a CSF leak (OR 31.5 [95% CI 8.8-112.6]) and age less than 6 months (OR 3.6 [95% CI 1.2-10.7]) were statistically significantly associated with the development of a shunt infection. A post hoc analysis comparing infection rates after procedures that adhered to the shunt protocol and those that did not administer IVT and topical vancomycin, plus historical controls, revealed a difference in infection rates (3.2% vs 6.9%, p = 0.03). CONCLUSIONS The use of a standardized shunt operation technique that includes IVT and topical vancomycin is associated with a total shunt infection incidence of 3.2% per procedure, which compares favorably with the reported rates of shunt infection in the literature. The majority of infections occurred within 2 months of surgery and the most common causative organism was S. epidermidis. Young age (< 6 months) at the time of surgery and the presence of a postoperative CSF leak were statistically significantly associated with postoperative shunt infection on multivariate analysis. The results are hypothesis generating, and the authors propose that IVT and topical administration of vancomycin as part of a standardized shunt operation protocol may be an appropriate option for preventing pediatric shunt infections.
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Affiliation(s)
- Kunal P Raygor
- 1Department of Neurological Surgery, University of California, San Francisco; and
| | - Taemin Oh
- 1Department of Neurological Surgery, University of California, San Francisco; and
| | - Joan Y Hwang
- 2Division of Neurosurgery, UCSF Benioff Children's Hospital Oakland, California
| | - Ryan R L Phelps
- 1Department of Neurological Surgery, University of California, San Francisco; and
| | - Kristen Ghoussaini
- 2Division of Neurosurgery, UCSF Benioff Children's Hospital Oakland, California
| | - Patrick Wong
- 2Division of Neurosurgery, UCSF Benioff Children's Hospital Oakland, California
| | - Rebecca Silvers
- 2Division of Neurosurgery, UCSF Benioff Children's Hospital Oakland, California
| | - Lauren R Ostling
- 1Department of Neurological Surgery, University of California, San Francisco; and.,2Division of Neurosurgery, UCSF Benioff Children's Hospital Oakland, California
| | - Peter P Sun
- 1Department of Neurological Surgery, University of California, San Francisco; and.,2Division of Neurosurgery, UCSF Benioff Children's Hospital Oakland, California
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Snap-valve cerebral shunt design for intracranial pressure operation and ultrasound visualization. Med Eng Phys 2019; 66:1-11. [PMID: 30827832 DOI: 10.1016/j.medengphy.2018.12.024] [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: 07/15/2018] [Accepted: 12/16/2018] [Indexed: 11/21/2022]
Abstract
Cerebral spinal fluid (CSF) shunts are the main treatment for hydrocephalus. They divert excess CSF from the ventricular system to the abdominal, pleural, or intravascular space where it is absorbed. The shunt valve regulates flow based on intracranial pressure (ICP) to maintain a physiologically stable and safe ICP. Shunt malfunction is difficult to detect, life-threatening and common. The present study demonstrates that snap-though buckling (STB) shells can be transformed into pressure-relief valves that act in the normal physiological range of ICP. Three different shell designs in this preliminary experiment were found to have opening and closing pressures that fall within the physiologically normal range of ICP of 6 to 25 cm H2O. Furthermore, these STB shells demonstrate a valve actuation that is visible by ultrasound and have an implantable form-factor that is similar to currently available shunt valves. The unique characteristics of STB shell valves have potential clinical applications for shunt monitoring using ultrasound imaging and can be fabricated from antibiotic-impregnated materials to mitigate shunt infection. These characteristics make STB valves attractive for future use in cerebral shunt systems.
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