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Chen KH, Hsu PW, Wu BC, Tu PH, Wang YC, Lee CC, Huang YC, Chen CC, Chuang CC, Liu ZH. Long-term follow-up and comparison of programmable and non-programmable ventricular cerebrospinal fluid shunts among adult patients with different hydrocephalus etiologies: a retrospective cohort study. Acta Neurochir (Wien) 2023; 165:2551-2560. [PMID: 37553445 PMCID: PMC10477099 DOI: 10.1007/s00701-023-05734-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 07/22/2023] [Indexed: 08/10/2023]
Abstract
BACKGROUND Programmable valve (PV) has been shown as a solution to the high revision rate in pediatric hydrocephalus patients, but it remains controversial among adults. This study is to compare the overall revision rate, revision cause, and revision-free survival between PV and non-programmable valve (NPV) in adult patients with different hydrocephalus etiologies. METHOD We reviewed the chart of all patients with hydrocephalus receiving index ventricular cerebrospinal fluid (CSF) shunt operations conducted at a single institution from January 2017 to December 2017. Patients included in the study were followed up for at least 5 years. Statistical tests including independent t-test, chi-square test, and Fisher's exact test were used for comparative analysis, and Kaplan-Meier curve using log-rank test was performed to compare the revision-free survival between the PV and NPV groups. RESULTS A total of 325 patients were included in the study, of which 181 patients were receiving PVs and 144 patients receiving NPV. There were 23 patients (12.8%) with PV and 22 patients (15.3%) with NPV receiving initial revision. No significant statistical difference in the initial revision rate was observed between the two groups (p = 0.52). No survival difference was found between the PV and NPV groups. However, better revision-free survival was noted in the PV group among idiopathic normal pressure hydrocephalus (iNPH) (p = 0.0274) and post-traumatic hydrocephalus (p = 0.017). CONCLUSIONS The combination of the different etiologies of hydrocephalus and the features of PV and NPV results in different outcomes-revision rate and revision-free survival. PV use might be superior to NPV in iNPH and post-traumatic hydrocephalus patients. Further studies are needed to clarify the indications of PV use in adult hydrocephalus patients.
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Affiliation(s)
- Kuan-Hung Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Peng-Wei Hsu
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Bo-Chang Wu
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Po-Hsun Tu
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Yu-Chi Wang
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Cheng-Chi Lee
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Yin-Cheng Huang
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Ching-Chang Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Chi-Cheng Chuang
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan
| | - Zhuo-Hao Liu
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taoyuan, Taiwan.
- School of Medicine, National Tsing Hua University, Hsinchu, Taiwan.
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Ahmed M, Naseer H, Farhan M, Arshad M, Ahmad A. Fixed versus Adjustable differential pressure valves in case of idiopathic normal pressure hydrocephalus treated with ventriculoperitoneal shunt. A systematic review and meta-analysis of proportion. Clin Neurol Neurosurg 2023; 230:107754. [PMID: 37209623 DOI: 10.1016/j.clineuro.2023.107754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/22/2023]
Abstract
INTRODUCTION Idiopathic normal pressure hydrocephalus is a common cause of communicating hydrocephalus in adult age, presenting with classic Hakim-Adam's triad. Ventriculoperitoneal shunting is the treatment of choice in these cases. The main objective of this study is to compare the complication rate of Adjustable differential pressure valves with fixed differential pressure valves in these cases. LITERATURE SEARCH We systematically searched PubMed/Medline, Embase, LILACS, and ClinicalTrials.gov from their date of inception to 30th Jan 2023. We included observational studies, Randomized Controlled Trials (RCTs), and comparative and noncomparative studies in the search. The literature search resulted in 1394 studies, and only 22 studies were eligible to be included in the meta-analysis. We performed the meta-analysis of proportion to compare incidence rates by performing a Freeman-turkey double arcsine transformation. RESULTS The summary of the proportions of the incidence rate of complications was less for Adjustable Differential Pressure Valves (ADPV) as compared to Fixed Differential Pressure Valves (FDVP) but the confidence intervals overlapped. The summary proportion of surgical revision of shunt in the case of ADPV was 0.081 (95% CI (0.047, 0.115)), and in the case of FDPV was 0.173 (95% CI (0.047, 0.299)). Similarly, the summary proportion of subdural fluid collection in the case of ADPV was 0.090 (0.058, 0.122), and in the case of FDPV was 0.204 (0.132, 0.277). The incidence of complication was low in population implanted with DPV along with gravitational or anti-siphon unit (GASU). CONCLUSION Complication rates in the case of ADPV plus GASU were the lowest. Though the summary proportion of complication rate in the case of ADPV was low as compared to FDPV, the statistical significance of this difference is doubted due to overlapping confidence intervals.
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Affiliation(s)
- Mansoor Ahmed
- Medical Student, Department of Surgery, Holy Family Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan.
| | - Haseena Naseer
- Medical Student, Department of Surgery, Fauji Foundation Hospital, Foundation University Medical College, Islamabad, Pakistan
| | - Muhammad Farhan
- Medical Student, Department of Surgery, Holy Family Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan
| | - Mateen Arshad
- Medical Student, Department of Surgery, Holy Family Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan
| | - Afnan Ahmad
- Medical Student, Department of Surgery, Holy Family Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan
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Tervonen J, Adams H, Lindgren A, Elomaa AP, Kämäräinen OP, Kärkkäinen V, von Und Zu Fraunberg M, Huttunen J, Koivisto T, Jääskeläinen JE, Leinonen V, Huuskonen TJ. Shunt performance in 349 patients with hydrocephalus after aneurysmal subarachnoid hemorrhage. Acta Neurochir (Wien) 2021; 163:2703-2714. [PMID: 34169389 PMCID: PMC8437876 DOI: 10.1007/s00701-021-04877-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 05/09/2021] [Indexed: 11/25/2022]
Abstract
Background Shunt-dependent hydrocephalus after aneurysmal subarachnoid hemorrhage (aSAH) is a common sequelae leading to poorer neurological outcomes and predisposing to various complications. Methods A total of 2191 consecutive patients with aSAH were acutely admitted to the Neurointensive Care at the Kuopio University Hospital between 1990 and 2018 from a defined population. A total of 349 (16%) aSAH patients received a ventriculoperitoneal shunt, 101 with an adjustable valve (2012–2018), 232 with a fixed pressure valve (1990–2011), and 16 a valveless shunt (2010–2013). Clinical timelines were reconstructed from the hospital records and nationwide registries until death (n = 120) or June 2019. Results Comparing the adjustable valves vs. the fixed pressure valves vs. the valveless shunts, intraventricular hemorrhage was present in 61%, 44% and 100%, respectively. The median times to the shunt were 7 days vs. 38 days vs. 10 days. The rates of the first revision were 25% vs. 32% vs. 69%. The causes included infection in 11% vs. 7% vs. 25% and overdrainage in 1% vs. 4% vs. 31%. The valveless shunt was the only independent risk factor (HR 2.9) for revision. After the first revision, more revisions were required in 48% vs. 52% vs. 45%. Conclusions The protocol to shunt evolved over time to favor earlier shunt. In post-aSAH hydrocephalus, adjustable valve shunts, without anti-siphon device, can be installed at an early phase after aSAH, in spite of intraventricular blood, with a modest risk (25%) of revision. Valveless shunts are not recommendable due to high risk of revisions.
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Affiliation(s)
- Joona Tervonen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland.
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland.
| | - Hadie Adams
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - Antti Lindgren
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Antti-Pekka Elomaa
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - Olli-Pekka Kämäräinen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Virve Kärkkäinen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
| | - Mikael von Und Zu Fraunberg
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Jukka Huttunen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Timo Koivisto
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Juha E Jääskeläinen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Ville Leinonen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Terhi J Huuskonen
- Department of Neurosurgery, Neurosurgery of KUH NeuroCenter, Kuopio University Hospital, Kuopio, Finland
- Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
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