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Oliveira LDB, Hakim F, Semione GDS, Bertani R, Batista S, Palavani LB, Sousa MP, Gómez-Amarillo DF, Mejía-Michelsen I, Pinto FCG, Rabelo NN, Welling LC, Figueiredo EG. Ventriculoatrial Shunt Versus Ventriculoperitoneal Shunt: A Systematic Review and Meta-Analysis. Neurosurgery 2023:00006123-990000000-01005. [PMID: 38117090 DOI: 10.1227/neu.0000000000002788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/14/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Ventriculoperitoneal shunt (VPS) is usually the primary choice for cerebrospinal fluid shunting for most neurosurgeons, while ventriculoatrial shunt (VAS) is a second-line procedure because of historical complications. Remarkably, there is no robust evidence claiming the superiority of VPS over VAS. Thus, we aimed to compare both procedures through a meta-analysis. METHODS Following Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines, the authors systematically searched the literature for articles comparing VAS with VPS. The included articles had to detail one of the following outcomes: revisions, infections, shunt-related mortality, or complications. In addition, the cohort for each shunt model had to encompass more than 4 patients. RESULTS Of 1872 articles, 16 met our criteria, involving 4304 patients, with 1619 undergoing VAS and 2685 receiving VPS placement. Analysis of revision surgeries showed no significant difference between VAS and VPS (risk ratio [RR] = 1.10, 95% CI: 0.9-1.34; I2 = 84%, random effects). Regarding infections, the analysis also found no significant difference between the groups (RR = 0.67, 95% CI: 0.36-1.25; I2 = 74%, random effects). There was no statistically significant disparity between both methods concerning shunt-related deaths (RR = 2.11, 95% CI: 0.68-6.60; I2 = 56%, random effects). Included studies after 2000 showed no VAS led to cardiopulmonary complications, and only 1 shunt-related death could be identified. CONCLUSION Both methods show no significant differences in procedure revisions, infections, and shunt-related mortality. The literature is outdated, research in adults is lacking, and future randomized studies are crucial to understand the profile of VAS when comparing it with VPS. The final decision on which distal site for cerebrospinal shunting to use should be based on the patient's characteristics and the surgeon's expertise.
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Affiliation(s)
| | - Fernando Hakim
- Department of Neurosurgery, Hospital Universitario Fundación Santa Fé de Bogotá, Bogotá, Cundinamarca, Colombia
| | | | - Raphael Bertani
- Department of Neurosurgery, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Sávio Batista
- Department of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lucca B Palavani
- Department of Medicine, Max Planck University Center, Joaçaba, Santa Catarina, Brazil
| | - Marcelo Porto Sousa
- Department of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diego F Gómez-Amarillo
- Department of Neurosurgery, Hospital Universitario Fundación Santa Fé de Bogotá, Bogotá, Cundinamarca, Colombia
| | - Isabella Mejía-Michelsen
- Department of Neurosurgery, Hospital Universitario Fundación Santa Fé de Bogotá, Bogotá, Cundinamarca, Colombia
| | | | | | - Leonardo C Welling
- Department of Neurosurgery, State University of Ponta Grossa, Paraná, Ponta Grossa, Brazil
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Thrombosis associated with ventriculoatrial shunts. Neurosurg Rev 2021; 45:1111-1122. [PMID: 34647222 PMCID: PMC8976808 DOI: 10.1007/s10143-021-01656-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 09/07/2021] [Accepted: 09/23/2021] [Indexed: 11/27/2022]
Abstract
Ventriculoatrial shunts are the most common second-line procedure for cases in which ventriculoperitoneal shunts are unsuitable. Shunting-associated thrombosis is a potentially life-threatening complication after ventriculoatrial shunt insertion. The overall prevalence of this complication is still controversial because of substantial differences in the numbers found in studies using clinical data and in those analyzing postmortem findings. The etiology of thrombosis may be multifactorial, including shunt catheter itself, contents of cerebrospinal fluid, shunt infection, and genetic disorder. The clinical presentation can vary widely, ranging from asymptomatic to a life-threatening condition. Timely recognition of thromboembolic lesions is critical for treatment. However, early diagnosis and management is still challenging because of a relatively long asymptomatic latency and lack of clear guideline recommendations. The purpose of this review is to provide an overview of ventriculoatrial shunt thrombosis, especially to focus on its etiopathogenesis, diagnosis, treatment, and prevention.
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Udayakumaran S, Kumar S. Should not we be using aspirin in patients with a ventriculoatrial shunt? Borrowing a leaf from other specialities: a case for surrogate evidence. Childs Nerv Syst 2021; 37:1137-1142. [PMID: 33033899 DOI: 10.1007/s00381-020-04925-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 10/05/2020] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Ventriculoatrial (VA) shunts are life-saving in circumstances where ventriculoperitoneal shunts (VP) have failed. They are at risk for different complications, and more specific of them are cardiopulmonary complications. Currently, there are no standard recommendations concerning screening for risk factors, prophylaxis, or anticoagulation treatment in patients after VA shunt placement. Our study aims to prospectively study the possible role and efficacy of the use of aspirin to increase the survival of shunts in children with VA shunt and avoid secondary morbidity. In this article, the authors describe the interim results of an ongoing prospective study which supports the use of aspirin for VA shunt. MATERIALS AND METHODS The study design is prospective. The duration of the study is 2011 onwards and is ongoing. Hospital ethics board clearance and consent from the family were taken before inclusion in the study. All patients who had VA shunt were given a once-a-day low-antiplatelet dose of aspirin 5 mg/kg, from the first postoperative day onwards. Primary endpoints of the study are as follows: (1) major distal end malfunction documented on echocardiography or (2) any cardiac complications associated with the VA shunt catheter. RESULTS We have 6 patient since march 2011, who are being followed up. None of the shunts had malfunctioned until the reporting. None of the patients had any cardiac issues reported. The patients are to be followed continually. The present follow-up ranges from 2.5 to 10 years. The patient follow-up is being continued. CONCLUSIONS Aspirin is a drug with well-accepted safety profile, and its use and our preliminary observation and outcome of the use of aspirin in VA shunt are promising.
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Affiliation(s)
- Suhas Udayakumaran
- Division of Paediatric Neurosurgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, India. .,Department of Neurosurgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, India.
| | - Shine Kumar
- Department of Neurosurgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, India.,Department of Pediatric Cardiology, Amrita Institute of Medical Sciences and Research Centre, Kochi, India
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Kelly PD, Yengo-Kahn AM, Naftel RP. The survival of reimplanted shunts following externalization: a single-institution cohort study. J Neurosurg Pediatr 2021; 27:382-390. [PMID: 33578377 PMCID: PMC8357850 DOI: 10.3171/2020.8.peds20533] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 08/31/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The failure-free survival of ventriculoperitoneal shunts (VPSs) following externalization for distal catheter infection or malfunction has not been adequately explored. Conversion to a ventriculoatrial shunt (VAS) may allow earlier reinternalization in lieu of waiting for the peritoneum to be suitable for reimplantation. This option is tempered by historical concerns regarding high rates of VAS failure, and the risks of rare complications are rampant. METHODS In this retrospective cohort study, all patients undergoing externalization of a VPS at a single institution between 2005 and 2020 were grouped according to the new distal catheter terminus location at the time of reinternalization (VPS vs VAS). The primary outcomes were failure-free shunt survival and duration of shunt externalization. Secondary outcomes included early (< 6 months) shunt failure. RESULTS Among 36 patients, 43 shunt externalization procedures were performed. Shunts were reinternalized as VPSs in 25 cases and VASs in 18 cases. The median failure-free survival was 1002 (interquartile range [IQR] 161-3449) days for VPSs and 1163 (IQR 360-2927) days for VASs. There was no significant difference in shunt survival according to the new distal catheter terminus (log-rank, p = 0.73). Conversion to a VAS was not associated with shorter duration of shunt externalization (Wilcoxon rank-sum, p = 0.64); the median duration was 7 (IQR 5-11) days for VPSs and 8 (IQR 6-15) days for VASs. No rare complications occurred in the VAS group. CONCLUSIONS Shunt failure-free survival rates following externalization are similar to published survival rates for nonexternalized shunts. There was no significant difference in survival between reinternalized VPSs and VASs. Although the VAS was not associated with a shortened duration of externalization, this finding is confounded by strong institutional preference for the VPS over the VAS. Early conversion to the VAS may be a viable treatment option in light of reassuring modern VAS survival data.
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Affiliation(s)
- Patrick D. Kelly
- Department of Neurological Surgery, Vanderbilt University Medical Center,Surgical Outcome Center for Kids, Monroe Carell Jr. Children’s Hospital at Vanderbilt University, Nashville, Tennessee
| | - Aaron M. Yengo-Kahn
- Department of Neurological Surgery, Vanderbilt University Medical Center,Surgical Outcome Center for Kids, Monroe Carell Jr. Children’s Hospital at Vanderbilt University, Nashville, Tennessee
| | - Robert P. Naftel
- Department of Neurological Surgery, Vanderbilt University Medical Center,Surgical Outcome Center for Kids, Monroe Carell Jr. Children’s Hospital at Vanderbilt University, Nashville, Tennessee
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Minimally invasive procedure for removal of infected ventriculoatrial shunts. Acta Neurochir (Wien) 2021; 163:455-462. [PMID: 33330950 PMCID: PMC7815540 DOI: 10.1007/s00701-020-04675-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 12/04/2020] [Indexed: 10/31/2022]
Abstract
BACKGROUND Ventriculoatrial shunts were one of the most common treatments of hydrocephalus in pediatric and adult patients up to about 40 years ago. Thereafter, due to the widespread recognition of the severe cardiac and renal complications associated with ventriculoatrial shunts, they are almost exclusively implanted when other techniques fail. However, late infection or atrial thrombi of previously implanted shunts require removal of the atrial catheter several decades after implantation. Techniques derived from management of central venous access catheters can avoid cardiothoracic surgery in such instances. METHODS We retrospectively investigated all the patients requiring removal of a VA shunt for complications treated in the last 5 years in our institution. RESULTS We identified two patients that were implanted 28 and 40 years earlier. Both developed endocarditis with a large atrial thrombus and were successfully treated endovascularly. The successful percutaneous removal was achieved by applying, for the first time in this setting, the endoluminal dilation technique as proposed by Hong. After ventriculoatrial shunt removal and its substitution with an external drainage, both patients where successfully weaned from the need for a shunt and their infection resolved. CONCLUSION Patients carrying a ventriculoatrial shunt are now rarely seen and awareness of long-term ventriculoatrial shunt complications is decreasing. However, these complications must be recognized and treated by shunt removal. Endovascular techniques are appropriate even in the presence of overt endocarditis, atrial thrombi, and tight adherence to the endocardial wall. Moreover, weaning from shunt dependence is possible even decades after shunting.
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Entezami P, Devejian NS, Rubino S, Smith N, Savery P, Crnkovic A, Adamo MA. Vegetation of Ventriculoatrial Shunt Managed via Multidisciplinary Surgical Approach. World Neurosurg 2020; 144:15-18. [PMID: 32791225 DOI: 10.1016/j.wneu.2020.08.040] [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] [Received: 07/14/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 11/30/2022]
Abstract
INTRODUCTION The popularity of the ventriculoatrial shunt as a means for cerebrospinal fluid diversion was temporally limited, overcome by the success of the peritoneum as a site for distal drainage. Nevertheless, it remains an important tool for patients for whom ventriculoperitoneal shunting is not an option. CLINICAL PRESENTATION We present the case of a 9-year-old girl with a ventriculoatrial shunt, who had undergone multiple revisions. Ultimately, she suffered a wound dehiscence, resulting in infectious seeding of the bloodstream and formation of a thrombus, presumed granuloma, at the tip of the distal catheter in the right atrium. She underwent successful removal of the lesion via an open approach by our cardiothoracic colleagues. DISCUSSION Previous authors have noted a high number of mortalities as a result of these lesions. A collaborative approach resulted in a successful outcome for our patient. Although limited in utility today, the ventriculoatrial shunt remains a common procedure for neurosurgeons today. CONCLUSION Recognizing the potential for atrial thrombus formation and using a team approach can help avoid a poor outcome.
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Affiliation(s)
- Pouya Entezami
- Department of Neurosurgery, Albany Medical College, Albany, New York, USA.
| | - Neil S Devejian
- Department of Pediatric Cardiothoracic Surgery, Albany Medical College, Albany, New York, USA
| | - Sebastian Rubino
- Department of Neurosurgery, Albany Medical College, Albany, New York, USA
| | - Nathan Smith
- Department of Pediatric Cardiothoracic Surgery, Albany Medical College, Albany, New York, USA
| | - Patrick Savery
- Department of Anesthesia, Albany Medical College, Albany, New York, USA
| | - Anica Crnkovic
- Department of Anesthesia, Albany Medical College, Albany, New York, USA
| | - Matthew A Adamo
- Department of Neurosurgery, Albany Medical College, Albany, New York, USA
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Long-Term Outcomes in Ventriculoatrial Shunt Surgery in Patients with Pediatric Hydrocephalus: Retrospective Single-Center Study. World Neurosurg 2020; 138:e112-e118. [PMID: 32061956 DOI: 10.1016/j.wneu.2020.02.035] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/04/2020] [Accepted: 02/05/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Long-term outcomes are rarely reported for patients with pediatric hydrocephalus. Ventriculoperitoneal shunting is the surgical standard; nevertheless, in selected patients, a ventriculoatrial shunt (VAS) remains an important alternative. This study aimed to analyze the causes of VAS revisions and complications. METHODS Pediatric patients who underwent their first shunt operation between 1982 and 1992 were included. The timing, cause, and modality of VAS revisions were retrospectively determined. RESULTS Overall, 138 patients were treated for hydrocephalus and 61 patients received a VAS during the follow-up period. A primary VAS was the first shunt type in 42 (68.85%) patients. In 19 (31.15%) patients, conversions to second-line VAS were carried out. The rates of VAS revisions performed for dysfunction or elective lengthening of a short atrial catheter were 52.2% and 22.9%, respectively. There was no difference in the number of VAS revisions between patients with primary VASs and second-line VASs. Age at VAS and etiology of hydrocephalus had no effect on the number of revisions. Specific VAS complications were observed in 2 patients. Deep positioning of the distal catheter led to asymptomatic tricuspid regurgitation that was reversible after shortening of the atrial catheter. Another patient presented with shunt nephritis and completely recovered after the atrial catheter was replaced with a peritoneal catheter. CONCLUSIONS VAS remains an appropriate second-line alternative in selected patients. Specific VAS complications were rarely observed and completely reversible after treatment. However, regular and specific follow-up examinations are strongly recommended to avoid cardiopulmonary or renal complications.
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Thromboembolic infarction caused by an unknown patent foramen ovale 30 years after VA shunt insertion: a case report and review of the literature. Acta Neurochir (Wien) 2019; 161:1381-1384. [PMID: 31111214 DOI: 10.1007/s00701-019-03946-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 04/24/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND Ventriculoatrial shunt (VA) insertion is one of the possible surgical procedures to treat hydrocephalus. However, it is also associated with several complications such as obstruction and shunt infection as well as life-threatening complications like intraatrial thrombus or thrombosis on the distal catheter. In this case report, we share a rare case of a patient with a VA shunt, who was admitted to our hospital with a stroke. CASE DESCRIPTION A 56-year-old female patient with suspected acute stroke was admitted to the stroke unit. CT and MRI scans showed multiple cerebral infarctions in both hemispheres. The transesophageal echocardiography (TEE) showed at the tip of the VA shunt catheter, which was implanted about 30 years ago due to aqueduct stenosis, also a thrombotic formation as the reason of stroke. Interestingly, the tip of the catheter was not in the right atrium as expected, but in the left atrium. Further evaluation showed a patent foramen ovale (PFO), through which the catheter migrated from the right to the left side. At first, conservative treatment with anticoagulation was started with the aim to dissolve the thrombotic formation; however, a control TEE showed an unchanged mass at the catheter tip. Therefore, a ventriculoperitoneal shunt was implanted and the proximal shunt catheter was removed with an additional closure of the PFO by our heart surgeons. Postoperatively, the patient was discharged 10 days later in good condition to a rehabilitation center. CONCLUSIONS Thromboembolic events due to a PFO are rare but possible life-threatening complication after VA shunt insertion. Therefore, preoperative cardiac diagnostic might be clinically relevant prior to a VA shunt implantation to avoid such complications.
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Morosanu CO, Filip GA, Nicolae L, Florian IS. From the heart to the bladder-particularities of ventricular shunt topography and the current status of cerebrospinal fluid diversion sites. Neurosurg Rev 2018; 43:847-860. [PMID: 30338415 DOI: 10.1007/s10143-018-1033-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 08/28/2018] [Accepted: 09/17/2018] [Indexed: 12/01/2022]
Abstract
Hydrocephalus represents the pathological elevation of cerebrospinal fluid (CSF) levels as a consequence of various embryological or acquired defects. Although the classic method of treatment is by means of diverting the CSF from the ventricular system towards the peritoneum, there are other sites of diversion that have proven their efficiency through time, in the context of complications related to the more common option of intraperitoneal insertion. The aim of the review is to assess and organize a database of all the types of shunt locations from the oldest shunt attempts until present, using Pubmed and Medline and to underline the particularities related to technique, indications, complications and associated epidemiological background. Current literature reveals up to 36 sites of diversion of CSF with a diverse topography varying from cephalic regions such as venous sinuses or mastoid bone, thoracic elements such as the heart or the pleura and abdominopelvic segments such as the peritoneum or the urinary bladder. Several atypical locations were studied such as the fallopian and intestinal shunts. Although ventriculoperitoneal and ventriculoatrial shunts are the most commonly used shunts today, there are some systems such as the ventriculosinusal and ventriculolymphatic shunts that prove to be equally as efficient. The successful treatment of hydrocephalus requires a complete comprehension of the indications and therapeutic options and a reliable evaluation of the risks and possible complications. The profile of cerebral ventricular shunts is highly dynamic and the spectrum of cerebrospinal fluid diversion offers multiple solutions in the benefit of the patient.
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Affiliation(s)
- Cezar Octavian Morosanu
- Department of Neurosurgery, North Bristol NHS Trust, Southmead Hospital, Southmead Rd, Westbury-on-Trym, Bristol, United Kingdom.
| | - Gabriela Adriana Filip
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Liviu Nicolae
- Department of Neurosurgery, North Bristol NHS Trust, Southmead Hospital, Southmead Rd, Westbury-on-Trym, Bristol, United Kingdom
| | - Ioan Stefan Florian
- Department of Neurosurgery, Cluj County Emergency Hospital, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
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Harland TA, Winston KR, Jovanovich AJ, Johnson RJ. Shunt Nephritis: An Increasingly Unfamiliar Diagnosis. World Neurosurg 2018; 111:346-348. [PMID: 29325951 DOI: 10.1016/j.wneu.2018.01.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/28/2017] [Accepted: 01/03/2018] [Indexed: 11/16/2022]
Abstract
BACKGROUND Shunt nephritis is a rare, reversible immune-complex mediated complication of cerebrospinal fluid (CSF) shunt infection that can progress to end-stage renal disease and even death if diagnosis is delayed. CASE DESCRIPTION The present case report details the manifestation and clinical course of shunt nephritis in a 50-year-old patient who presented with symptoms of nephrotic syndrome 30 years after ventriculojugular shunt placement. Diagnosis was delayed due to initial negative CSF and blood cultures, but a later CSF culture was positive for Propionibacterium acnes. After treatment with intravenous antibiotics and complete removal of shunt with subsequent replacement with a new ventriculoperitoneal shunt, the nephritic symptoms resolved, but the patient continued to have reduced kidney function consistent with stage IIIa chronic kidney disease. CONCLUSION This case emphasizes the clinical importance of having a high index of suspicion in patients with a ventricular shunt who present with symptoms consistent with nephritis, even in the setting of negative cultures and delayed presentation.
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Affiliation(s)
- Tessa A Harland
- University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Ken R Winston
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, Colorado, USA; University of Colorado School of Medicine, Aurora, Colorado, USA.
| | - Anna J Jovanovich
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA; VA Eastern Colorado Health Care System, Aurora, Colorado, USA
| | - Richard J Johnson
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA; University of Colorado School of Medicine, Aurora, Colorado, USA; VA Eastern Colorado Health Care System, Aurora, Colorado, USA
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Hung AL, Vivas-Buitrago T, Adam A, Lu J, Robison J, Elder BD, Goodwin CR, Jusué-Torres I, Rigamonti D. Ventriculoatrial versus ventriculoperitoneal shunt complications in idiopathic normal pressure hydrocephalus. Clin Neurol Neurosurg 2017; 157:1-6. [DOI: 10.1016/j.clineuro.2017.03.014] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 03/16/2017] [Accepted: 03/17/2017] [Indexed: 10/19/2022]
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Paulsen AH, Due-Tønnessen BJ, Lundar T, Lindegaard KF. Cerebrospinal fluid (CSF) shunting and ventriculocisternostomy (ETV) in 400 pediatric patients. Shifts in understanding, diagnostics, case-mix, and surgical management during half a century. Childs Nerv Syst 2017; 33:259-268. [PMID: 27796553 PMCID: PMC5352746 DOI: 10.1007/s00381-016-3281-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 10/14/2016] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To characterize shifts from the 1960s to the first decade in the 21st century as to diagnostics, case-mix, and surgical management of pediatric patients undergoing permanent CSF diversion procedures. METHODS One hundred and thirty-four patients below 15 years of age were the first time treated with CSF shunt or ETV for hydrocephalus or idiopathic intracranial hypertension (IIH) in 2009-2013. This represents our current practice. Our previously reported cohorts of shunted children 1967-1970 (n = 128) and 1985-1988 (n = 138) served as backgrounds for comparison. RESULTS In the 1960s, ventriculography and head circumference measurements were the main diagnostic tools; ventriculoatrial shunt was the preferred procedure (94 %), neural tube defect (NTD) was the leading etiology (33 %), and overall 2-year survival rate was 76 % (non-tumor survival 84 %). In the 1980s, computerized tomography (CT) was the preferred diagnostic imaging tool; ventriculoperitoneal shunt (VPS) had become standard (91 %), the proportion of NTD children declined to 17 %, and the 2-year survival rate was 91 % (non-tumor survival 95 %). Hydrocephalus caused by intracranial hemorrhage had, on the other hand, increased from 7 to 19 %. In the years 2009-2013, when MRI and endoscopic third ventriculocisternostomy (ETV) were matured technologies, 73 % underwent VPS, and 23 % ETV as their initial surgical procedure. The most prevalent etiology was CNS tumor (31 %). The proportion of NTD patients was yet again halved to 8 %, while intracranial hemorrhage was also reduced to 12 %. In this last period, six children were treated with VPS for Idiopathic Intracranial Hypertension (IIH) due to unsatisfactory response to medical treatment. They all had headache, papilledema, and visual disturbances and responded favorably to treatment. The 2 years of survival was 92 % (non-tumor survival 99 %). In contrast to the previous periods, there was no early shunt related mortality (2 years). Aqueductal stenosis was a small but distinctive group in all cohorts with 5, 6 and 3 % respectively. CONCLUSIONS The case-mix in pediatric patients treated with permanent CSF diversion has changed over the last half-century. With the higher proportion of children with CNS tumor patients and inclusion of the IIH children, the median age at initial surgery has shifted substantially from 3.2 to 14 months. Between the 1960s and the current cohort, 2 years of all-cause mortality fell from 24 to 8 %. Prolonged asymptomatic periods, extending 15 years, were relatively common. Nevertheless, 18 patients experienced shunt failure more than 15 years after last revision, and first-time shunt failure has been observed 29 years after initial treatment. This underscores the importance of life-long follow-up.
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Affiliation(s)
| | | | - Tryggve Lundar
- Department of Neurosurgery, Oslo University Hospital, Oslo, Norway.
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Abstract
Ventricular shunts are mechanical devices used in the treatment of hydrocephalus, by means of which cerebrospinal fluid (CSF) is diverted from the ventricles to other low-pressure body cavities. Over the last 50 years, mechanical shunting has become the cornerstone for the treatment of hydrocephalus with shunt valves evolving from simple differential valves to complex programmable valves. The chief complications of ventricular shunting include obstruction, infections, and overdrainage causing subdural hematomas and slit-ventricle syndrome. As the number of commercially available valve designs continues to grow, each new generation aims at reducing the likelihood of complications, especially those resulting from overdrainage. Several studies aimed at establishing the superiority of any valve design have been conducted. All have highlighted the advantages and shortcomings of most models without conclusively providing evidence for choosing one over another. As a result, choices still rest on individual and institutional preferences.
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McCracken JA, Bahl A, McMullan J. Percutaneous ultrasound-guided insertion of ventriculo-atrial shunts. Br J Neurosurg 2016; 30:411-3. [PMID: 27025913 DOI: 10.3109/02688697.2016.1161169] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Ventriculo-atrial (VA) shunts have been in use for >60 years but less frequently so of late. This is due to a combination of the risk of cardiac complications, lack of expertise and a lengthy operation. We present our consecutive prospective series of 10 VA shunts inserted using a percutaneous method employing the Sonowand Invite™ neuronavigation system for both the distal and proximal catheters, over a 13-month period. We had two complications of cases needing revision, but our series highlights a safe and reproducible method of inserting a VA shunt. About 30% of the procedures were carried out by a trainee as the primary surgeon. This technique does not necessarily require the expertise of a complex hydrocephalus surgeon and is thus able to be in the armoury of any neurosurgeon needing to do a VA shunt procedure. The indications, operative data and outcomes of our patients are discussed.
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Affiliation(s)
| | - Anuj Bahl
- b Department of Neurosurgery , Sheffield Teaching Hospitals , Sheffield , UK ;,c Department of Neurosurgery , Hull and East Yorkshire Hospitals , Hull , UK
| | - John McMullan
- b Department of Neurosurgery , Sheffield Teaching Hospitals , Sheffield , UK
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Burström G, Andresen M, Bartek J, Fytagoridis A. Subacute bacterial endocarditis and subsequent shunt nephritis from ventriculoatrial shunting 14 years after shunt implantation. BMJ Case Rep 2014; 2014:bcr-2014-204655. [PMID: 24962489 DOI: 10.1136/bcr-2014-204655] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Fourteen years after shunt implantation, a 26-year-old patient with myelomeningocele, concomitant hydrocephalus and a ventriculoatrial cerebrospinal fluid (CSF) shunt presented with brief but recurrent episodes of fever predominantly when taking showers or during physical exertion. After 4 years of inconclusive multidisciplinary investigations, the patient progressed into end-stage renal disease before an echocardiogram revealed a vegetative plaque on the tendinous chords of the tricuspid valve. CSF cultures were grown from the shunt valve, confirming bacterial growth of Propionibacterium acnes suspected of causing subacute bacterial endocarditis and subsequent shunt nephritis. The patient was successfully treated with antibiotics combined with ventriculoatrial shunt removal and endoscopic third ventriculocisternostomy (VCS). This case illustrates the nowadays rare, but potentially severe complication of subacute bacterial endocarditis and shunt nephritis. It also exemplifies the VCS as an alternative to implanting foreign shunt systems for CSF diversion.
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Affiliation(s)
- Gustav Burström
- Department of Clinical Neuroscience, Section for Neurosurgery, Karolinska Institute, Stockholm, Sweden
| | - Morten Andresen
- Department of Clinic of Neurosurgery, Copenhagen University Hospital, Copenhagen E, Denmark
| | - Jiri Bartek
- Department of Clinical Neuroscience, Section for Neurosurgery, Karolinska Institute, Stockholm, Sweden
| | - Anders Fytagoridis
- Department of Clinical Neuroscience, Section for Neurosurgery, Karolinska Institute, Stockholm, Sweden
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Surgical treatment of central nervous system malformations. HANDBOOK OF CLINICAL NEUROLOGY 2008. [PMID: 18809045 DOI: 10.1016/s0072-9752(07)87031-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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Ellegaard L, Mogensen S, Juhler M. Ultrasound-guided percutaneous placement of ventriculoatrial shunts. Childs Nerv Syst 2007; 23:857-62. [PMID: 17375310 DOI: 10.1007/s00381-007-0304-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2006] [Indexed: 10/23/2022]
Abstract
INTRODUCTION In accordance with the literature on ventriculoatrial (VA) shunts, a percutaneous approach to the internal jugular vein is preferable to surgical preparation of the vein before catheter placement. Inspired by the above and the problems still remaining in the percutaneous method and successful results from anaesthesiology with the use of ultrasound-guided placement of central venous catheters, we have implemented an ultrasound-guided percutaneous technique for placement of VA shunts including pre- and intraoperative ultrasound guidance. METHODS Data on 26 VA shunt operations were collected and analysed with special reference to the applicability of the method to pediatric patients, surgical complications and differences between revisions and first-time VA shunts. CONCLUSIONS All patients with VA shunt indications were operated successfully with this technique including children down to the age of 5 years. The ultrasound-guided percutaneous technique results in a safe, quick and easy procedure with preoperative knowledge of the diameter of the vein, no accidental carotid artery puncture or pneumothorax, a minimal blood loss, a short operative time, few infectious complications and a good cosmetic result. Results for all parameters were identical in first-time VA shunt operations and revisions.
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Affiliation(s)
- L Ellegaard
- Department of Neurosurgery, Rigshospitalet, 2092, Blegdamsvej 9, 2100, Copenhagen, Denmark
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Bhasin RR, Chen MK, Pincus DW. Salvaging the "lost peritoneum" after ventriculoatrial shunt failures. Childs Nerv Syst 2007; 23:483-6. [PMID: 17333209 DOI: 10.1007/s00381-006-0292-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2005] [Revised: 05/16/2006] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Placement of a ventriculoperitoneal (VP) shunt is the long-standing treatment of choice for hydrocephalus. However, in many patients with repeated distal failures, ventriculoatrial (VA) shunts are placed. Should the VA shunt fail, finding appropriate distal sites is often difficult. MATERIALS AND METHODS We identified six patients, over a 3-year period, in whom conversion of VA to VP shunt was successfully performed with the aid of diagnostic laparoscopy or laparotomy. There were no ensuing shunt failures during the follow-up period (mean 1.5 years). CONCLUSION Because of the benefits of VP over VA shunting, every effort should be made to preserve the peritoneum as the target for the distal catheter. Laparotomy/laparoscopy is useful in locating suitable peritoneal targets when converting to VP shunt after VA shunt failure, or as a final effort before VA shunt conversion.
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Affiliation(s)
- R Rick Bhasin
- Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL 32610, USA
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Ranganathan P, Kim JT, Muntyan I. Tracheal tube cuff perforation during ventriculoatrial shunt procedure. J Clin Anesth 2005; 17:614-6. [PMID: 16427532 DOI: 10.1016/j.jclinane.2004.11.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2004] [Accepted: 11/15/2004] [Indexed: 11/25/2022]
Abstract
We report a case of tracheal and endotracheal tube cuff perforation that occurred intraoperatively during a ventriculoatrial shunting procedure for a patient with normal pressure hydrocephalus. Unusual tracheal anatomy and technique were contributory factors. Use of noninvasive imaging devices to guide the intraoperative placement of catheters may avoid many of the complications related to anatomy, skill, and technique. The method of diagnosis, prevention, and management is discussed.
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Affiliation(s)
- Pavithra Ranganathan
- Department of Anesthesiology, New York University Medical Center, New York, NY 10016, USA
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Zacharias J, Clark SC, Hamilton JRL, Dark JH, Hasan A. Unilateral pulmonary thromboendarterectomy for iatrogenic pulmonary hypertension in a ten-year-old child. J Thorac Cardiovasc Surg 2003; 126:1210-1. [PMID: 14566280 DOI: 10.1016/s0022-5223(03)00884-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- J Zacharias
- Regional Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne, United Kingdom
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Emigración del catéter distal a la arteria pulmonar. Complicación poco frecuente de la derivación ventrículo-atrial de LCR. Neurocirugia (Astur) 1997. [DOI: 10.1016/s1130-1473(97)71050-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Abad C, Morera J, Robaina F, Pérez-Padrón J, Gil G, Gómez J. Sepsis y tromboembolismo pulmonar de repetición a partir de un sistema de derivación ventriculoatrial. Neurocirugia (Astur) 1996. [DOI: 10.1016/s1130-1473(96)70762-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Abstract
The ventriculoatrial shunt (VAS) was developed to control hydrocephalic syndromes effectively. Several complications, however, have been described after the procedure. One of the most serious consequences is the development of severe pulmonary hypertension attributed to multiple and recurrent pulmonary embolization caused by the catheter of the VAS; however, the frequency is exceedingly low. Herein we describe the experience with three patients in whom severe pulmonary hypertension developed after a VAS procedure. In two patients, refractory heart failure developed, an outcome that caused death within a brief period. The third patient underwent atrial thrombectomy and then pulmonary thromboendarterectomy; recovery was complete. Scientific evidence shows that initial embolization predisposes pulmonary vessels to develop further in situ thrombosis; thus, the vascular lung disease progresses despite removal of the embolic source. A review of the literature revealed that in patients with a VAS, pulmonary embolism and pulmonary hypertension were clinically diagnosed in only 0.4% and 0.3% of the cases, respectively, whereas postmortem diagnoses of pulmonary embolism and pulmonary hypertension were established in 59.7% and 6.3%, respectively. These discrepancies point out the difficulty of establishing the diagnosis of these serious pulmonary vascular complications while the patient is alive.
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Affiliation(s)
- J M Pascual
- Division of Thoracic Diseases, Mayo Clinic Rochester, MN 55905
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