scholarly journals C.07 Calgary shunt protocol, an adaptation of the hydrocephalus clinical research network shunt protocol reduces risk of shunt infection in children

2018 ◽  
Vol 45 (s2) ◽  
pp. S15-S15
Author(s):  
M Yang ◽  
W Hader ◽  
K Bullivant ◽  
M Brindle ◽  
J Riva-Cambrin
Keyword(s):  
Absolute Risk ◽  
Pediatric Neurosurgery ◽  
Absolute Risk Reduction ◽  
Shunt Infection ◽  
Skin Incision ◽  
Research Network ◽  
Shunt Procedure ◽  
Definition Of ◽  
Univariate Analyses ◽  
Shunt Infections

Background: The effectiveness of the Hydrocephalus Research Network (HCRN) shunt protocol has not been validated in a non-HCRN, small-to-medium volume pediatric neurosurgery center. This study evaluates whether the 9-step Calgary Shunt Protocol (CSP) adapted from the HCRN shunt protocol reduced shunt infections. Methods: The CSP was prospectively applied at Alberta Children’s Hospital from May 23rd, 2013 to all children undergoing any shunt procedure. Children undergoing shunt surgery before CSP implementation acted as a control-cohort. The strict HCRN definition of shunt infection was applied. Results: A total of 268 shunt procedures were performed. There was a significant absolute risk reduction of 10.0% ([95%CI 3.9%-15.9%], p=0.004) in shunt infections after implementation of the CSP. In univariate analyses, chlorhexidine compared to povidone skin prep reduced shunt infection by 8.2% ([95%CI 1.84-14.6%], p=0.02) and waiting ≥ 20 min between receiving preoperative antibiotics and skin incision reduced shunt infections by 9.6% ([95%CI 2.4%-16.9%], p=0.02). In multivariate analysis, only protocol implementation independently reduced shunt infections (OR 0.19 [95%CI 0.06-0.67], p=0.004). Conclusions: This study externally validates the published HCRN protocol for reducing shunt infection in an independent, non-HCRN, and small-to-medium volume neurosurgery setting. Chlorhexidine skin prep and waiting ≥ 20 min between preoperative antibiotic and skin incision may have contributed to the protocol’s quality improvement success.

Calgary Shunt Protocol, an adaptation of the Hydrocephalus Clinical Research Network shunt protocol, reduces shunt infections in children

2019 ◽  
Vol 23 (5) ◽  
pp. 559-567 ◽  
Author(s):  
Michael M. H. Yang ◽  
Walter Hader ◽  
Kelly Bullivant ◽  
Mary Brindle ◽  
Jay Riva-Cambrin
Keyword(s):  
Clinical Research ◽  
Pediatric Neurosurgery ◽  
Shunt Infection ◽  
Skin Incision ◽  
Research Network ◽  
Skin Preparation ◽  
Clinical Research Network ◽  
Preoperative Antibiotics ◽  
Univariate Analyses ◽  
Shunt Infections

OBJECTIVEThe shunt protocol developed by the Hydrocephalus Clinical Research Network (HCRN) was shown to significantly reduce shunt infections in children. However, its effectiveness had not been validated in a non-HCRN, small- to medium-volume pediatric neurosurgery center. The present study evaluated whether the 9-step Calgary Shunt Protocol, closely adapted from the HCRN shunt protocol, reduced shunt infections in children.METHODSThe Calgary Shunt Protocol was prospectively applied at Alberta Children’s Hospital from May 23, 2013, to all children undergoing any shunt procedure. The control cohort consisted of children undergoing shunt surgery between January 1, 2009, and the implementation of the Calgary Shunt Protocol. The primary outcome was the strict HCRN definition of shunt infection. Univariate analyses of the protocol, individual elements within, and known confounders were performed using Student t-test for measured variables and chi-square tests for categorical variables. Multivariable logistic regression was performed using stepwise analysis.RESULTSTwo-hundred sixty-eight shunt procedures were performed. The median age of patients was 14 months (IQR 3–61), and 148 (55.2%) were male. There was a significant absolute risk reduction of 10.0% (95% CI 3.9%–15.9%) in shunt infections (12.7% vs 2.7%, p = 0.004) after implementation of the Calgary Shunt Protocol. In univariate analyses, chlorhexidine was associated with fewer shunt infections than iodine-based skin preparation solution (4.1% vs 12.3%, p = 0.02). Waiting ≥ 20 minutes between receiving preoperative antibiotics and skin incision was also associated with a reduction in shunt infection (4.5% vs 14.2%, p = 0.007). In the multivariable analysis, only the overall protocol independently reduced shunt infections (OR 0.19 [95% CI 0.06–0.67], p = 0.009), while age, etiology, procedure type, ventricular catheter type, skin preparation solution, and time from preoperative antibiotics to skin incision were not significant.CONCLUSIONSThis study externally validates the published HCRN protocol for reducing shunt infection in an independent, non-HCRN, and small- to medium-volume pediatric neurosurgery setting. Implementation of the Calgary Shunt Protocol independently reduced shunt infection risk. Chlorhexidine skin preparation and waiting ≥ 20 minutes between administration of preoperative antibiotic and skin incision may have contributed to the protocol’s quality improvement success.

Prospective surveillance of complications in a pediatric neurosurgery unit

2010 ◽  
Vol 5 (6) ◽  
pp. 544-548 ◽  
Author(s):  
James M. Drake ◽  
Jay Riva-Cambrin ◽  
Andrew Jea ◽  
Kurtis Auguste ◽  
Mandeep Tamber ◽  
...  
Keyword(s):  
External Ventricular Drain ◽  
Pediatric Neurosurgery ◽  
Shunt Infection ◽  
Shunt Revision ◽  
Third Ventriculostomy ◽  
Neurosurgical Procedures ◽  
Csf Leakage ◽  
Second Procedure ◽  
Shunt Infections ◽  
Csf Leaks

Object Complications of specific pediatric neurosurgical procedures are well recognized. However, focused surveillance on a specific neurosurgical unit, for all procedures, may lead to better understanding of the most important complications, and allow targeted strategies for quality improvement. Methods The authors prospectively recorded the morbidity and mortality events at a large pediatric neurosurgical unit over a 2-year period. Morbidity was defined as any significant adverse outcome or death (for obstructive shunt failure, within 30 days). Multiple and unrelated complications in the same patient were recorded as separate events. Results There were 1082 surgical procedures performed during the evaluation period. One hundred seventy-seven complications (16.4%) occurred in 147 patients. By procedure, the most common complications occurred in vascular surgery (41.7%) and brain tumor surgery (27.9%). The most common complications were CSF leakage (31 cases), a new neurological deficit (27 cases), early shunt or endoscopic third ventriculostomy obstruction (27 cases), and shunt infection (24 cases). Meningitis occurred in 19 cases: in 58% of shunt infections, 13% of CSF leaks, and 10% of wound infections. Sixty-four percent of adverse events required a second procedure, most commonly an external ventricular drain placement or shunt revision. Conclusions Complications in pediatric neurosurgical procedures are common, result in significant morbidity, and more than half the time require a repeat surgical procedure. Targeted strategies to prevent common complications, such as shunt infections or CSF leaks, might significantly reduce this burden.

scholarly journals Patient and Treatment Characteristics by Infecting Organism in Cerebrospinal Fluid Shunt Infection

2018 ◽  
Vol 8 (3) ◽  
pp. 235-243 ◽  
Author(s):  
Tamara D Simon ◽  
Matthew P Kronman ◽  
Kathryn B Whitlock ◽  
Samuel R Browd ◽  
Richard Holubkov ◽  
...  
Keyword(s):  
Cerebrospinal Fluid ◽  
Shunt Infection ◽  
Research Network ◽  
Csf Shunt ◽  
Coagulase Negative Staphylococcus ◽  
Gram Negative ◽  
Treatment Characteristics ◽  
Infection Treatment ◽  
Csf Shunt Infection ◽  
Univariate Analyses

Abstract Background Previous studies of cerebrospinal fluid (CSF) shunt infection treatment have been limited in size and unable to compare patient and treatment characteristics by infecting organism. Our objective was to describe variation in patient and treatment characteristics for children with first CSF shunt infection, stratified by infecting organism subgroups outlined in the 2017 Infectious Disease Society of America’s (IDSA) guidelines. Methods We studied a prospective cohort of children <18 years of age undergoing treatment for first CSF shunt infection at one of 7 Hydrocephalus Clinical Research Network hospitals from April 2008 to December 2012. Differences between infecting organism subgroups were described using univariate analyses and Fisher’s exact tests. Results There were 145 children whose infections were diagnosed by CSF culture and addressed by IDSA guidelines, including 47 with Staphylococcus aureus, 52 with coagulase-negative Staphylococcus, 37 with Gram-negative bacilli, and 9 with Propionibacterium acnes. No differences in many patient and treatment characteristics were seen between infecting organism subgroups, including age at initial shunt, gender, race, insurance, indication for shunt, gastrostomy, tracheostomy, ultrasound, and/or endoscope use at all surgeries before infection, or numbers of revisions before infection. A larger proportion of infections were caused by Gram-negative bacilli when antibiotic-impregnated catheters were used at initial shunt placement (12 of 23, 52%) and/or subsequent revisions (11 of 23, 48%) compared with all other infections (9 of 68 [13%] and 13 of 68 [19%], respectively). No differences in reinfection were observed between infecting organism subgroups. Conclusions The organism profile encountered at infection differs when antibiotic-impregnated catheters are used, with a higher proportion of Gram-negative bacilli. This warrants further investigation given increasing adoption of antibiotic-impregnated catheters.

Efficacy of intraoperative wound irrigation for preventing shunt infection

2008 ◽  
Vol 2 (1) ◽  
pp. 25-28 ◽  
Author(s):  
Toshiaki Hayashi ◽  
Reizo Shirane ◽  
Takahiro Kato ◽  
Teiji Tominaga
Keyword(s):  
Infection Rate ◽  
Pediatric Neurosurgery ◽  
Shunt Infection ◽  
Controlled Study ◽  
Control Group ◽  
Wound Irrigation ◽  
Operating Field ◽  
Shunt Procedure ◽  
Significant Difference ◽  
Reducing Bacteria

Object Although a cerebrospinal fluid shunt procedure is one of the most frequently performed operations in pediatric neurosurgery, the infection rate due to the procedure is not low. The authors have hypothesized that the key to reducing surgical shunt infections is to reduce bacteria from the operating field and wound. This hypothesis has been tested in a prospective nonrandomized controlled study at the authors' department. Methods Beginning in August 2006, during shunt procedures the authors began routinely irrigating the operating field and wound with amikacin containing saline, using a jet of fluid from a syringe. Prior to this new routine no irrigation techniques were used, providing an adequate control group for comparing the effect of the irrigation technique. Data obtained in all patients undergoing shunt insertions or revisions for hydrocephalus performed between October 1, 2003, and November 30, 2007, were reviewed. Results A total of 101 shunt procedures were performed in 63 patients (34 females and 29 males) during the study period. The mean age of all patients was 48.2 ± 61.8 months. A total of 61 shunt procedures were performed before August 2006, and 40 were performed after August 2006. There was no statistical difference between the ages of patients in the 2 groups (p = 0.64). Eight total infections occurred during the 90 days of the postoperative period (7.9% overall infection rate). All 8 infections occurred before implementation of the irrigation technique (13.1% infection rate), but no infections were noted after beginning use of the irrigation procedure (0% infection rate). There was a statistically significant difference in the infection rate between the 2 groups (p = 0.021). Conclusions Use of an irrigation strategy aimed at reducing bacteria from the operating field and wound can be considered an effective procedure for preventing shunt infection.

The Impact of a Pediatric Shunt Surgery Checklist on Infection Rate at a Single Institution

Neurosurgery ◽  
2017 ◽  
Vol 83 (3) ◽  
pp. 508-520 ◽  
Author(s):  
Ryan P Lee ◽  
Garrett T Venable ◽  
Brandy N Vaughn ◽  
Jock C Lillard ◽  
Chesney S Oravec ◽  
...  
Keyword(s):  
Risk Reduction ◽  
Infection Rate ◽  
Absolute Risk ◽  
Compliance Rate ◽  
Shunt Infection ◽  
Shunt Surgery ◽  
Infection Rates ◽  
Protocol Implementation ◽  
The Impact ◽  
Shunt Infections

Abstract BACKGROUND Shunt infections remain a significant challenge in pediatric neurosurgery. Numerous surgical checklists have been introduced to reduce infection rates. OBJECTIVE To introduce an evidence-based shunt surgery checklist and its impact on our shunt infection rate. METHODS Between January 1, 2008 and December 31, 2015, pediatric patients who underwent shunt surgery at our institution were indexed in a prospectively maintained database. All definitive shunt procedures were included. Shunt infection was defined according to the Center for Disease Control and Prevention's National Hospital Safety Network surveillance definition for surgical site infection. Clinical and procedural variables were abstracted per procedure. Infection data were compared for the 4 year before and 4 year after protocol implementation. Compliance was calculated from retrospective review of our checklists. RESULTS Over the 8-year study period, 1813 procedures met inclusion criteria with a total of 37 shunt infections (2%). Prechecklist (2008-2011) infection rate was 3.03% (28/924) and decreased to 1.01% (9/889; P = .003) postchecklist (2012-2015), representing an absolute risk reduction of 2.02% and relative risk reduction of 66.6%. One shunt infection was prevented for every 50 times the checklist was used. Those patients who developed an infection after protocol implementation were younger (0.95 years vs 3.40 years (P = .027)), but there were no other clinical or procedural variables, including time to infection, that were significantly different between the cohorts. Average compliance rate among required checklist components was 97% (range 85%-100%). CONCLUSION Shunt surgery checklist implementation correlated with lower infection rates that persisted in the 4 years after implementation.

scholarly journals A new Hydrocephalus Clinical Research Network protocol to reduce cerebrospinal fluid shunt infection

2016 ◽  
Vol 17 (4) ◽  
pp. 391-396 ◽  
Author(s):  
John R. W. Kestle ◽  
Richard Holubkov ◽  
D. Douglas Cochrane ◽  
Abhaya V. Kulkarni ◽  
David D. Limbrick ◽  
...  
Keyword(s):  
Clinical Research ◽  
Infection Rate ◽  
Infection Prevention ◽  
Shunt Infection ◽  
Current Data ◽  
Research Network ◽  
Csf Shunt ◽  
Prevention Measures ◽  
Clinical Research Network ◽  
Definition Of

OBJECT In a previous report by the same research group (Kestle et al., 2011), compliance with an 11-step protocol was shown to reduce CSF shunt infection at Hydrocephalus Clinical Research Network (HCRN) centers (from 8.7% to 5.7%). Antibiotic-impregnated catheters (AICs) were not part of the protocol but were used off protocol by some surgeons. The authors therefore began using a new protocol that included AICs in an effort to reduce the infection rate further. METHODS The new protocol was implemented at HCRN centers on January 1, 2012, for all shunt procedures (excluding external ventricular drains [EVDs], ventricular reservoirs, and subgaleal shunts). Procedures performed up to September 30, 2013, were included (21 months). Compliance with the protocol and outcome events up to March 30, 2014, were recorded. The definition of infection was unchanged from the authors' previous report. RESULTS A total of 1935 procedures were performed on 1670 patients at 8 HCRN centers. The overall infection rate was 6.0% (95% CI 5.1%–7.2%). Procedure-specific infection rates varied (insertion 5.0%, revision 5.4%, insertion after EVD 8.3%, and insertion after treatment of infection 12.6%). Full compliance with the protocol occurred in 77% of procedures. The infection rate was 5.0% after compliant procedures and 8.7% after noncompliant procedures (p = 0.005). The infection rate when using this new protocol (6.0%, 95% CI 5.1%–7.2%) was similar to the infection rate observed using the authors' old protocol (5.7%, 95% CI 4.6%–7.0%). CONCLUSIONS CSF shunt procedures performed in compliance with a new infection prevention protocol at HCRN centers had a lower infection rate than noncompliant procedures. Implementation of the new protocol (including AICs) was associated with a 6.0% infection rate, similar to the infection rate of 5.7% from the authors' previously reported protocol. Based on the current data, the role of AICs compared with other infection prevention measures is unclear.

scholarly journals Shunt infection and malfunction in patients with myelomeningocele

2021 ◽  
pp. 1-7
Author(s):  
Michael D. White ◽  
Michael M. McDowell ◽  
Nitin Agarwal ◽  
Stephanie Greene
Keyword(s):  
Infection Rate ◽  
Revision Rate ◽  
Shunt Infection ◽  
Research Network ◽  
Shunt Insertion ◽  
Vp Shunt ◽  
Shunt Infection Rate ◽  
Shunt Removal ◽  
Shunt Infections

OBJECTIVEMyelomeningocele (MMC) is frequently complicated by symptomatic hydrocephalus, necessitating early permanent CSF diversion and revision surgeries. Shunt infections are a common cause of shunt malfunction. This study aims to characterize long-term shunt-related outcomes of patients undergoing MMC closure.METHODSA total of 170 patients undergoing MMC closure between the years of 1995 and 2017 were identified from a retrospective review of a prospectively populated surgical database at the Children’s Hospital of Pittsburgh. Patients who underwent MMC closure and required ventriculoperitoneal (VP) shunt insertion met criteria and were included in the primary study analysis. Analysis with a Fisher exact test was performed for categorical variables, and Mann-Whitney U-tests were utilized for numerical data.RESULTSOf the 158 total patients undergoing MMC closure and meeting inclusion criteria, 137 (87%) required VP shunt insertion. These 137 patients demonstrated a shunt revision rate of 21.1% per person-year and a shunt infection rate of 2.1% per person-year over a mean follow-up of 10.8 years. Patients had a mean of 3.4 ± 0.6 shunt surgeries prior to their first infection. Patients undergoing immediate shunt removal, external ventricular drain placement, or shunt replacement after clearing the infection had lower rates of subsequent infections than patients who initially were managed with shunt externalization (p < 0.001). Placement of a shunt at the time of MMC closure was not found to be a risk factor for infection. Of patients with initial shunt placement after the implementation of the Hydrocephalus Clinical Research Network protocol in 2011, the authors’ institution has had a shunt infection rate of 4.2% per person-year and a revision rate of 35.7% per person-year.CONCLUSIONSThis study describes long-term outcomes of shunted MMC patients and factors associated with shunt infections. Most patients underwent multiple revisions prior to the first shunt infection. Shunt externalization may be ineffective at clearing the infection and should be avoided in favor of early shunt removal and external ventricular drainage, followed by shunt replacement once infection is demonstrated to have cleared.

Use of pre-operative calcium and vitamin D supplementation to prevent post-operative hypocalcaemia in patients undergoing thyroidectomy: a systematic review

2021 ◽  
pp. 1-6
Author(s):  
A S Khatiwada ◽  
A S Harris
Keyword(s):  
Systematic Review ◽  
Vitamin D ◽  
Clinical Trials ◽  
Total Thyroidectomy ◽  
Risk Reduction ◽  
Operative Treatment ◽  
Absolute Risk ◽  
Absolute Risk Reduction ◽  
Vitamin D Supplementation ◽  
Absolute Reduction

Abstract Objective This systematic review aimed to establish the evidence behind the use of pre-operative calcium, vitamin D or both calcium and vitamin D to prevent post-operative hypocalcaemia in patients undergoing thyroidectomy. Method This review included prospective clinical trials on adult human patients that were published in English and which studied the effects of pre-operative supplementation with calcium, vitamin D or both calcium and vitamin D on the rate of post-operative hypocalcaemia following total thyroidectomy. Results Seven out of the nine trials included reported statistically significantly reduced rates of post-operative laboratory hypocalcaemia (absolute risk reduction, 13–59 per cent) and symptomatic hypocalcaemia (absolute reduction, 11–40 per cent) following pre-operative supplementation. Conclusion Pre-operative treatment with calcium, vitamin D or both calcium and vitamin D reduces the risk of post-operative hypocalcaemia and should be considered in patients undergoing total thyroidectomy.

scholarly journals OP0240 EPIDEMIOLOGY, PREDICTORS OF MORTALITY AND ROLE OF PROPHYLAXIS FOR PNEUMOCYSTITIS JIROVECI PNEUMONIA AMONG RHEUMATIC PATIENTS: A TERRITORY-WIDE STUDY

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 147-147
Author(s):  
C. W. S. Chan ◽  
H. Y. Chung ◽  
W. Y. Yeung ◽  
C. S. Lau ◽  
P. H. LI
Keyword(s):  
Lupus Erythematosus ◽  
Absolute Risk ◽  
Absolute Risk Reduction ◽  
Number Needed To Treat ◽  
Healthcare Database ◽  
Pneumocystis Jiroveci ◽  
Predictors Of Mortality ◽  
Prednisolone Dose ◽  
Rheumatic Patients

Background:Pneumocystis jiroveci pneumonia (PJP) is an opportunistic infection affecting immunocompromised individuals. Due to its high mortality, PJP prophylaxis is commonly recommended for many immunocompromising conditions. However, evidence regarding the burden and role of prophylaxis in PJP among rheumatic patients remains limited. There is lack of consensus for when and for whom to initiate prophylaxis. Delineating the epidemiology, predictors of mortality and efficacy of prophylaxis in PJP among rheumatic patients is urgently needed.Objectives:To delineate the epidemiology of PJP, identify predictors of mortality and evaluate the usefulness of prophylaxis in rheumatology patients.Methods:We performed a big-data cohort study based on the territory-wide healthcare database of the Hong Kong Hospital Authority. All patients with a diagnosis of anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV), immune-mediated myositis (IMM), rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), systemic sclerosis (SSc), or spondyloarthritis (SpA) between 2015-2019 were included. PJP were identified based on physician diagnosis and/or positive microbiological results from deep respiratory tract specimens. Prophylaxis was defined as prescription of a prophylactic dose of co-trimoxazole for at least 2 weeks and/or inhaled pentamidine. Prevalence of PJP, prophylaxis and mortality among rheumatic patients were calculated. Demographics, blood parameters and immunosuppressants use was also collected for multivariate analysis. Number needed to treat (NNT) analysis was performed based on absolute risk reduction of PJP in patients with and without prior PJP prophylaxis.Results:A total of 21,587 unique rheumatic patients were analysed (54% RA, 25% SLE, 13% SpA, 5% IMM, 2% AAV and 1% SSc). Between 2015-2019, 1141 (5.3%) patients were prescribed PJP prophylaxis and 48 (0.2%) developed PJP. None of those patients who developed PJP had received prophylaxis prior to infection. The risk of PJP was highest among SSc (1.8%), AAV (1.4%) and IMM (0.7%) patients, with NNT of SSc 36, AAV 48 and IMM 114. Within these disease entities, the majority of PJP occurred at prednisolone dose of 15mg/day (P15) or above (100% in SSc and IIM, 66.7% in AAV). Overall, PJP was associated with a mortality-rate of 39.6%. Glucocorticoid dose (daily prednisolone dose equivalent 29.1±23.5mg vs 11.4±7.2mg, P<0.01) and lymphopenia (0.44x109/L vs 0.90x109/L, P= 0.04) at PJP diagnosis were associated with PJP mortality in rheumatic patients.Conclusion:PJP is an uncommon but important infection in rheumatic patients associated with significant mortality. PJP prophylaxis is effective and should be considered in patients with SSc, AAV and IMM, especially in those receiving a steroid dose above P15.Disclosure of Interests:None declared

The Effectiveness of Antibiotic-Coated Ventriculoperitoneal Shunts for Prevention of Shunt Infections in Patients with Myelomeningocele

2021 ◽  
pp. 1-4
Author(s):  
Bilal Ertuğrul ◽  
Metin Kaplan ◽  
Ömer Batu Hergünsel ◽  
Bekir Akgün ◽  
Sait Öztürk ◽  
...  
Keyword(s):  
Protective Effect ◽  
Statistical Difference ◽  
Shunt Infection ◽  
Infection Rates ◽  
Ventriculoperitoneal Shunts ◽  
Significant Statistical Difference ◽  
Shunt Infections

<b><i>Purpose:</i></b> Hydrocephalus is a common comorbidity among the newborns, with myelomeningocele (MMC) and ventriculoperitoneal (VP) shunts being frequently used for the treatment of such patients. In this study, we aimed to compare the effectiveness of antibiotic-free and antibiotic-coated shunts to reduce the rate of shunt infection in patients with hydrocephalus and accompanying MMC. <b><i>Methods:</i></b> 116 patients with hydrocephalus and MMC who were treated with VP shunts were included in the study. Shunt infection rates among antibiotic-free and antibiotic-coated shunts were compared. <b><i>Results:</i></b> Of the 116 patients included in the study, 39 had antibiotic-coated shunts and 77 had antibiotic-free shunts. Shunt infection developed in 4 of the 39 cases treated with antibiotic-coated shunts and in 5 of the 77 cases treated with shunts without antibiotics. No significant statistical difference was found between antibiotic-coated and antibiotic-free VP shunts in terms of shunt infection (<i>p</i> = 0.450, <i>p</i> &#x3e; 0.05). <b><i>Conclusion:</i></b> In patients with MMC, using VP shunts containing antibiotics was found not to have a protective effect in preventing shunt infection. Whether the sac is intact or ruptured does not affect this result.

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