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Mannella FC, Faedo F, Fumagalli M, Norata GD, Zaed I, Servadei F. Long-Term Follow-Up of Custom-Made Porous Hydroxyapatite Cranioplasties: Analysis of Infections in Adult and Pediatric Patients. J Clin Med 2024; 13:1133. [PMID: 38398446 PMCID: PMC10888657 DOI: 10.3390/jcm13041133] [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: 01/26/2024] [Revised: 02/12/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
In neurosurgery, cranioplasty (CP) stands as a pivotal surgical intervention, particularly following head trauma or various neurosurgical interventions. This study scrutinizes the intricacies of CP, emphasizing its prevalence and associated complications, with a specific focus on custom-made porous hydroxyapatite (PHA) implants. The investigation spans 687 patients (with 80 patients of pediatric age, less than 14 years old) across 26 neurosurgical centers in five European countries. Methodologically, this study delves into patient characteristics, complications, and infection data through a comprehensive post-marketing on-site surveillance approach. Notably, infections emerged as the primary complication, affecting 41 patients (6% of implants) with a clear distinction in onset patterns between pediatric (with more infections, 10% versus 5.4% in adults and an earlier onset of complications) and adult populations. Out of these 41 cases, cranioplasty explantation was required in 30 patients, 4.4% of the total population. Furthermore, bifrontal decompression correlated with a significantly elevated infection risk as compared to unilateral decompression (12.5% versus 5.1%) which remains after the examination of possible confounding factors. These findings provide substantial insights into the complexities of CP, suggesting the necessity for tailored strategies in pediatric and adult cases and cautioning against bifrontal decompressions. Despite acknowledging limitations and calling for prospective studies with long term follow-up, this research advances our understanding of the use of PHA CP, guiding clinical decision-making and emphasizing the importance of customized approaches for diverse patient cohorts.
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Affiliation(s)
- Francesca Carolina Mannella
- Department of Pharmacological and Biomolecular Sciences “Rodolfo Paoletti”, Università degli Studi di Milano, 20133 Milan, Italy; (M.F.); (G.D.N.)
| | - Francesca Faedo
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy;
| | - Marta Fumagalli
- Department of Pharmacological and Biomolecular Sciences “Rodolfo Paoletti”, Università degli Studi di Milano, 20133 Milan, Italy; (M.F.); (G.D.N.)
| | - Giuseppe Danilo Norata
- Department of Pharmacological and Biomolecular Sciences “Rodolfo Paoletti”, Università degli Studi di Milano, 20133 Milan, Italy; (M.F.); (G.D.N.)
| | - Ismail Zaed
- Department of Neurosurgery, Neurocenter of the Southern Switzerland, Regional Hospital of Lugano, CH-2900 Lugano, Switzerland;
| | - Franco Servadei
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy;
- Department of Neurosurgery, IRCCS Humanitas Research Hospital, 20089 Milan, Italy
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Lönnemark O, Ryttlefors M, Sundblom J. Cranioplasty in Brain Tumor Surgery: A Single-Center Retrospective Study Investigating Cranioplasty Failure and Tumor Recurrence. World Neurosurg 2023; 170:e313-e323. [PMID: 36356841 DOI: 10.1016/j.wneu.2022.11.010] [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: 07/11/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Cranioplasty with synthetic implant can be performed to restore function and form of the skull after resection of malignancy infiltrating the bone. The aim of this study was to examine the rate of implant failure and tumor recurrence in patients undergoing nonautologous cranioplasty and tumor resection. METHODS In this retrospective single-center study, 48 patients were identified who had undergone cranioplasty with synthetic implants after tumor resection between 2010 and 2020. The medical records were analyzed to investigate patient demographics, surgery data, cranioplasty failure rates, and rate of tumor recurrence. RESULTS Cranioplasty failed in 8 patients. The median time to implant failure was 220 days with most failures occurring within 1 year (5 of 8). There was no significant difference in rate or time to failure between the different cranioplasty materials (P = 0.39). Low body mass index (P < 0.05), previous craniectomy/cranioplasty (P < 0.05), previous radiation therapy to the brain/skull (P < 0.05), and skin closure with sutures (P < 0.05) were associated with an increased risk of implant failure. Tumors recurred in 15 patients. CONCLUSIONS Cranioplasty surgery with synthetic implants carries a relatively high risk of failure, regardless of type of cranioplasty material used. Skin closure with staples may be beneficial in these patients.
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Affiliation(s)
- Olle Lönnemark
- Section of Neurosurgery, Department of Neuroscience, Uppsala University Hospital, Uppsala, Sweden.
| | - Mats Ryttlefors
- Section of Neurosurgery, Department of Neuroscience, Uppsala University Hospital, Uppsala, Sweden
| | - Jimmy Sundblom
- Section of Neurosurgery, Department of Neuroscience, Uppsala University Hospital, Uppsala, Sweden
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Ji T, Yao P, Zeng Y, Qian Z, Wang K, Gao L. Subgaleal Effusion and Brain Midline Shift After Cranioplasty: A Retrospective Study Between Polyetheretherketone Cranioplasty and Titanium Cranioplasty After Decompressive Craniectomy. Front Surg 2022; 9:923987. [PMID: 35937601 PMCID: PMC9351718 DOI: 10.3389/fsurg.2022.923987] [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: 04/20/2022] [Accepted: 06/10/2022] [Indexed: 11/21/2022] Open
Abstract
Cranioplasty with polyetheretherketone (PEEK) has recently shown better cerebral protection performance, improved brain function, and aesthetic contour compared with titanium mesh. However, whether patients undergoing PEEK cranioplasty tend to develop subgaleal effusions remains elusive. This retrospective study included patients who underwent cranioplasty with PEEK implants or titanium mesh after decompressive craniectomy between July 2017 and July 2020. Patient information, including general information, location, size of the defect, subgaleal depth, and brain midline shift was collected and statistically analyzed. There were 130 cases of cranioplasty, including 35 with PEEK implants and 95 with a titanium mesh. Patients who underwent cranioplasty with a PEEK implant had a higher subgaleal effusion rate than those who underwent cranioplasty with titanium mesh (85.71% vs. 53.68%, P < 0.001), while a midline shift >5 mm was more frequently observed in the PEEK group than in the titanium group (20% vs. 6.3%, P = 0.021). The PEEK material was the only factor associated with subgaleal effusion after cranioplasty (OR 5.589, P = 0.002). Logistic regression analysis further showed that age was a protective factor against midline shift in the PEEK cranioplasty group (OR 0.837, P = 0.029). Patients who underwent cranioplasty with PEEK implants were more likely to develop severe subgaleal effusion and significant brain midline shifts than those with titanium mesh implants.
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Affiliation(s)
- Tao Ji
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
| | - Peiwen Yao
- School of Clinical Medicine, Nanjing Medical University, Nanjing, China
| | - Yu Zeng
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
| | - Zhouqi Qian
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
| | - Ke Wang
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
- Correspondence: Liang Gao Ke Wang
| | - Liang Gao
- School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- Correspondence: Liang Gao Ke Wang
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From Reparative Surgery to Regenerative Surgery: State of the Art of Porous Hydroxyapatite in Cranioplasty. Int J Mol Sci 2022; 23:ijms23105434. [PMID: 35628245 PMCID: PMC9140937 DOI: 10.3390/ijms23105434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 02/05/2023] Open
Abstract
Decompressive craniectomy is one of the most common neurosurgical procedures, usually performed after neuropathological disorders, such as traumatic brain injury (TBI), but also vascular accidents (strokes), erosive tumours, infections and other congenital abnormalities. This procedure is usually followed by the reconstruction of the cranial vault, which is also known as cranioplasty (CP). The gold-standard material for the reconstruction process is the autologous bone of the patient. However, this is not always a feasible option for all patients. Several heterologous materials have been created in the last decades to overcome such limitation. One of the most prominent materials that started to be used in CP is porous hydroxyapatite. PHA is a bioceramic material from the calcium phosphate family. It is already widely used in other medical specialties and only recently in neurosurgery. In this narrative review of the literature, we summarize the evidence on the use of PHA for cranial reconstruction, highlighting the clinical properties and limitations. We also explain how this material contributed to changing the concept of cranial reconstruction from reparative to regenerative surgery.
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Zaed I, Faedo F, Chibbaro S, Cannizzaro D, Tomei M, Servadei F, Cardia A. Prevalence of Postoperative Complications of Autologous and Heterologous Cranioplasty in the Pediatric Population: A Systematic Review of the Literature. Pediatr Neurosurg 2022; 57:238-244. [PMID: 35609519 DOI: 10.1159/000524874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/26/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Cranial reconstruction (CR) is a neurosurgical procedure performed to restore the cranial vault after a decompressive craniectomy. There are contrasting reports from the literature about the complications related to the use of heterologous materials for CR in the pediatric population. In this study, the authors try to better define such a rate of adverse events for autologous and heterologous materials. MATERIALS AND METHODS A systematic review of articles published up to December 2021 was performed. Studies were included if they reported the specific use of cranioplasty materials following craniectomy in patients younger than 18 years of age and had a minimum follow-up of at least 1 year. RESULTS A total of 20 studies were selected. A total of 544 cases were included, of which 422 (77.6%) were with heterologous materials and 122 (22.4%) with autologous bone. The mean average age was 9.5 years. Polyetheretherketone and polymethylmethacrylate reported 29% and 33.3%, respectively, of complications, but only 3% and 5.6% of surgical revision. PHA reported a rate of 11.9%. Titanium reported 9.2% of complications and 4.1% of surgical revisions. Porous polyethylene had a complication rate of 36.4% and a revision rate of 0%. CONCLUSION There is still no perfect material for CR. It seems that heterologous materials are superior to autologous bone for CR in children, and we may consider, whenever economic conditions will allow it, to use alloplastic material as first-line in small children.
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Affiliation(s)
- Ismail Zaed
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,Department of Neurosurgery, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Francesca Faedo
- Department of Neurosurgery, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Salvatore Chibbaro
- Department of Neurosurgery, Hautepierre Regional Hospital, Strasbourg University, Strasbourg, France
| | - Delia Cannizzaro
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,Department of Neurosurgery, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Massimo Tomei
- Department of Neurosurgery, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Franco Servadei
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,Department of Neurosurgery, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Andrea Cardia
- Department of Neurosurgery, IRCCS Humanitas Research Hospital, Milan, Italy
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Lo Bue E, Scalia G, Nicoletti GF, Maugeri R, Iacopino DG, Zabbia G, Umana GE, Graziano F. The Boundless World of Cranioplasty: A Multicenter Retrospective Study and Therapeutic Flow-Chart Patient-Specific Based. J Craniofac Surg 2021; 32:2758-2762. [PMID: 34727474 DOI: 10.1097/scs.0000000000007903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Cranioplasty is both a functional and aesthetical therapeutic option. In the clinical scenario every cranioplasty's material is potentially qualified to achieve the goal of calvarian reconstruction but there is a lack of agreement about the optimum choice, especially between the heterologous ones. The choice of cranioplasty widely depends on surgeon's personal preferences. In this retrospective multicentric study a comparative analysis of hydroxyapatite or titanium cranioplasties was carried on analyzing the main factors considered by the surgeon to choose a material rather than another one. Our results and data were compared with those reported in the scientific literature and a flow-chart regarding the therapeutic approach in the choice of the most suitable cranioplasty was proposed and discussed. METHODS The authors present a multicentric study considering 2 groups of patients who underwent 2 different kinds of cranioplasty: hydroxyapatite and titanium. The outcomes measures included the surgical timing and the maintenance of post-operative subgaleal drain. RESULTS A total of 40 patients that had cranioplasty treatment were evaluated. The surgical technique was analyzed. In patients that underwent titanium cranioplasty we observed a reduction in the operative times and in subgaleal drain maintenance. In relation to the age, comorbidity, and neurological status a score, called most suitable material (MSM), was elaborated and a therapeutic algorithm is proposed. CONCLUSIONS This study confirms the known advantages and drawback of titanium and hydroxyapatite prostheses. Thanks to the lessons learned from our experience on this field, we elaborated the MSM score that coupled with the therapeutic flow-chart proposed could address the choice of the MSM for a specific patient.
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Affiliation(s)
- Enrico Lo Bue
- Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Postgraduate Residency Program in Neurological Surgery, Neurosurgical Clinic, AOUP "Paolo Giaccone," Palermo
| | - Gianluca Scalia
- Department of Neurosurgery, Highly Specialized Hospital and of National Importance "Garibaldi," Catania
| | | | - Rosario Maugeri
- Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Postgraduate Residency Program in Neurological Surgery, Neurosurgical Clinic, AOUP "Paolo Giaccone," Palermo
| | - Domenico Gerardo Iacopino
- Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Postgraduate Residency Program in Neurological Surgery, Neurosurgical Clinic, AOUP "Paolo Giaccone," Palermo
| | - Giovanni Zabbia
- Department of Surgical, Oncological and Dental Disciplinary, Plastic Surgery Section, University of Palermo, Palermo
| | - Giuseppe Emmanuele Umana
- Department of Neurosurgery, Cannizzaro Hospital, Trauma Center, Gamma Knife Center, Catania, Italy
| | - Francesca Graziano
- Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Postgraduate Residency Program in Neurological Surgery, Neurosurgical Clinic, AOUP "Paolo Giaccone," Palermo
- Department of Neurosurgery, Highly Specialized Hospital and of National Importance "Garibaldi," Catania
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Zaed I, Tinterri B. Letter: A Retrospective Comparative Analysis of Titanium Mesh and Custom Implants for Cranioplasty. Neurosurgery 2020; 87:E600-E601. [PMID: 32735673 DOI: 10.1093/neuros/nyaa340] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ismail Zaed
- Department of Neurosurgery Humanitas Clinical and Research Center-IRCCS Rozzano, Italy
- Humanitas University Rozzano, Italy
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Zaed I, Rossini Z, Faedo F, Fontanella MM, Cardia A, Servadei F. Long-term follow-up of custom-made porous hydroxyapatite cranioplasty in adult patients: a multicenter European study. Can we trust self-reported complications? J Neurosurg Sci 2020; 66:335-341. [PMID: 32989979 DOI: 10.23736/s0390-5616.20.05138-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Cranioplasty is a surgical intervention aiming to re-establish the integrity of skull defects. Autologous bone and different heterologous materials are used for this purpose, with various reported related complications. The aim of the study was to evaluate the complication rate in a multicentric cohort of patients underwent porous hydroxyapatite (PHA) cranioplasty implantation and to assess the validity of company post-market clinical analysis. METHODS Authors analyzed a company based register of 6279 PHA cranioplasty implanted all over the world. In these adult patients only self-reported complications were available. We then obtained the data of adult patients treated with custom-made porous HA prostheses (CustomBone Service) in 20 institutions from different European countries through an on-site interview with the physicians in charge of the patients (494 patients). The endpoints were the incidence of adverse events and of related implant removal. RESULTS The groups of patients had similar demographics characteristics. The average follow-up was 26.7 months. A significantly higher number of complications was recorded in the group of patients underwent onsite interview. Thirty-nine complications were reported (7.89%) with an explantation rate of 4.25% (21 cases) in the series, compared to the data reported from the Company (complications rate of 3.3% and explantation rate of 3.1%). The most common complications were infection (4.86%), hematomas (1.22%), fractures (1.01%), mobilization (0.4%) and scar retraction (0.4%). CONCLUSIONS Our data confirm that porous HA cranioplasty is at least as effective as other heterologous materials to repair cranial defects. Another interesting finding is that self-reporting complicantions by surgeons does not give a precise picture of the real rate of complications of the devices. These data in future studies need to be re-confirmed with on-site interviews.
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Affiliation(s)
- Ismail Zaed
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy - .,Department of Neurosurgery, Humanitas Clinical and Research Center IRCCS, Rozzano, Milan, Italy -
| | - Zefferino Rossini
- Department of Neurosurgery, Humanitas Clinical and Research Center IRCCS, Rozzano, Milan, Italy
| | - Francesca Faedo
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Marco M Fontanella
- Neurosurgery, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | - Andrea Cardia
- Department of Neurosurgery, Humanitas Clinical and Research Center IRCCS, Rozzano, Milan, Italy
| | - Franco Servadei
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy.,Department of Neurosurgery, Humanitas Clinical and Research Center IRCCS, Rozzano, Milan, Italy
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