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Pfnür A, Tosin D, Petkov M, Sharon O, Mayer B, Wirtz CR, Knoll A, Pala A. Exploring complications following cranioplasty after decompressive hemicraniectomy: A retrospective bicenter assessment of autologous, PMMA and CAD implants. Neurosurg Rev 2024; 47:72. [PMID: 38285230 PMCID: PMC10824806 DOI: 10.1007/s10143-024-02309-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: 12/11/2023] [Revised: 01/12/2024] [Accepted: 01/20/2024] [Indexed: 01/30/2024]
Abstract
Cranioplasty (CP) after decompressive hemicraniectomy (DHC) is a common neurosurgical procedure with a high complication rate. The best material for the repair of large cranial defects is unclear. The aim of this study was to evaluate different implant materials regarding surgery related complications after CP. Type of materials include the autologous bone flap (ABF), polymethylmethacrylate (PMMA), calcium phosphate reinforced with titanium mesh (CaP-Ti), polyetheretherketone (PEEK) and hydroxyapatite (HA). A retrospective, descriptive, observational bicenter study was performed, medical data of all patients who underwent CP after DHC between January 1st, 2016 and December 31st, 2022 were analyzed. Follow-up was until December 31st, 2023. 139 consecutive patients with a median age of 54 years who received either PMMA (56/139; 40.3%), PEEK (35/139; 25.2%), CaP-Ti (21/139; 15.1%), ABF (25/139; 18.0%) or HA (2/139; 1.4%) cranial implant after DHC were included in the study. Median time from DHC to CP was 117 days and median follow-up period was 43 months. Surgical site infection was the most frequent surgery-related complication (13.7%; 19/139). PEEK implants were mostly affected (28.6%; 10/35), followed by ABF (20%; 5/25), CaP-Ti implants (9.5%; 2/21) and PMMA implants (1.7%, 1/56). Explantation was necessary for 9 PEEK implants (25.7%; 9/35), 6 ABFs (24.0%; 6/25), 3 CaP-Ti implants (14.3%; 3/21) and 4 PMMA implants (7.1%; 4/56). Besides infection, a postoperative hematoma was the most common cause. Median surgical time was 106 min, neither longer surgical time nor use of anticoagulation were significantly related to higher infection rates (p = 0.547; p = 0.152 respectively). Ventriculoperitoneal shunt implantation prior to CP was noted in 33.8% (47/139) and not significantly associated with surgical related complications. Perioperative lumbar drainage, due to bulging brain, inserted in 38 patients (27.3%; 38/139) before surgery was protective when it comes to explantation of the implant (p = 0.035). Based on our results, CP is still related to a relatively high number of infections and further complications. Implant material seems to have a high effect on postoperative infections, since surgical time, anticoagulation therapy and hydrocephalus did not show a statistically significant effect on postoperative complications in this study. PEEK implants and ABFs seem to possess higher risk of postoperative infection. More biocompatible implants such as CaP-Ti might be beneficial. Further, prospective studies are necessary to answer this question.
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Affiliation(s)
- A Pfnür
- Department of Neurosurgery, University of Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany.
| | - D Tosin
- Department of Neurosurgery, University of Ulm, Lindenallee 2, 89312, Günzburg, Germany
| | - M Petkov
- Department of Neurosurgery, University of Ulm, Lindenallee 2, 89312, Günzburg, Germany
| | - O Sharon
- Department of Neurosurgery, University of Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany
| | - B Mayer
- Institute of Epidemiology and Medical Biometry, University of Ulm, Schwabstraße 13, 89075, Ulm, Germany
| | - C R Wirtz
- Department of Neurosurgery, University of Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany
- Department of Neurosurgery, University of Ulm, Lindenallee 2, 89312, Günzburg, Germany
| | - A Knoll
- Department of Neurosurgery, University of Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany
| | - A Pala
- Department of Neurosurgery, University of Ulm, Lindenallee 2, 89312, Günzburg, Germany
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杜 敬, 刘 国, 王 位. [Application Effect of Continuous Lumbar Cistern Fluid Drainage Combined With Decompressive Craniectomy in the Treatment of Severe Craniocerebral Injury]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2023; 54:1040-1045. [PMID: 37866966 PMCID: PMC10579081 DOI: 10.12182/20230960203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Indexed: 10/24/2023]
Abstract
Objective To analyze the application effect of continuous lumbar cistern fluid drainage combined with decompressive craniectomy in the treatment of severe craniocerebral injury. Methods A total of 87 patients with severe craniocerebral injury admitted to our hospital between March 2016 and March 2021 were retrospectively enrolled. They were divided into two groups according to the decompression methods applied, with 42 patients who received standard decompressive craniectomy assigned to the control group and 45 patients who received continuous lumbar cistern fluid drainage combined with standard decompressive craniectomy assigned to the observation group. The primary indicators that were monitored and compared between the two group included the amount of time for patient CT imaging to be clear of subarachnoid hemorrhage, the length-of-stay, the duration of post-operative intubation, the mannitol dose, scores for Glasgow Coma Scale (GCS), prognosis, the incidence of cerebral edema and cerebral infarction, and complications. The secondary indicators that were monitored and compared included intracranial pressure, cerebrospinal fluid antinucleosome protein SP100, and red blood cell count of the two groups before treatment and after continuous drainage for 7 days. Results The amount of time for CT imaging to be clear of subarachnoid hemorrhage and the length-of-stay of the observation group were shorter than those of the control group, the mannitol dose of the observation group was lower than that of the control group, the incidence of cerebral edema and the incidence of complications of the observation group were lower than those of the control group, and the rate of patients with good prognosis in the observation group was higher than that in the control group ( P<0.05). There was no significant difference in the rate of poor prognosis or mortality between the two groups ( P>0.05). The duration of postoperative intubation of the observation group was (8.24±1.09) d, while that of the control group was (9.22±1.26) d, and the difference between the two groups was statistically significant ( t=3.887, P<0.05). There were 2 cases (4.44%) of cerebral infarction in the observation group, with the infarct volume being (8.36±1.87) cm 3, while there were 9 cases (21.43%) of cerebral infarction in the control group, with the infarct volume being (8.36±1.87) cm 3, and there were statistically significant differences in the incidence and volume of cerebral infarction between the two groups ( χ 2=5.674, t=9.609, P<0.05). After treatment, the intracranial pressure and red blood cell count decreased in both groups and the intracranial pressure, cerebrospinal fluid SP100, and red blood cell count of the observation group were significantly lower than those of the control group ( P<0.05). The cerebrospinal fluid SP100 of the observation group decreased after treatment in comparison with the level before treatment ( P<0.05), while the pre- and post-treatment levels of the control group did not demonstrate any significant difference. Conclusion Continuous lumbar cistern fluid drainage in patients with severe craniocerebral injury effectively shortens the time required for the body to recover, significantly reduces the level of intracranial pressure, improves the levels of cerebral edema and cerebral infarction, and has a high degree of safety for prognosis and recovery.
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Affiliation(s)
- 敬华 杜
- 中国医科大学附属第四医院 神经外科 (沈阳 110031)Department of Neurosurgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110031, China
| | - 国军 刘
- 中国医科大学附属第四医院 神经外科 (沈阳 110031)Department of Neurosurgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110031, China
| | - 位坐 王
- 中国医科大学附属第四医院 神经外科 (沈阳 110031)Department of Neurosurgery, The Fourth Affiliated Hospital of China Medical University, Shenyang 110031, China
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Mustroph CM, Stewart CM, Mann LM, Saberian S, Deibert CP, Thompson PW. Systematic Review of Syndrome of the Trephined and Reconstructive Implications. J Craniofac Surg 2022; 33:e647-e652. [PMID: 36054899 DOI: 10.1097/scs.0000000000008724] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 03/23/2022] [Indexed: 11/25/2022] Open
Abstract
Syndrome of the trephined (SoT) is a severe complication following decompressive craniectomy resulting in neurological decline which can progress to aphasia, catatonia, and even death. While cranioplasty can reverse neurological symptoms of SoT, awareness of SoT is poor outside of the neurosurgery community. The authors performed a systematic review of the literature on SoT with a focus on reconstructive implications. Search terms "syndrome of the trephined" and "sunken flap syndrome" were applied to PubMed to identify primary studies through October 2021. Full-text review yielded 11 articles discussing SoT and reconstructive techniques or implications with 56 patients undergoing cranial reconstruction. Average age of the patients was 41.8±9.5 years. Sixty-three percent of the patients were male. The most common indication for craniectomy was traumatic brain injury (43%), followed by tumor resection (23%), intracerebral hemorrhage (11%), and aneurysmal subarachnoid hemorrhage (2%). Patients most commonly suffered from motor deficits (52%), decreased wakefulness (30%), depression or anxiety (21%), speech deficits (16%), headache (16%), and cognitive difficulties (2%). Time until presentation of symptoms following decompression was 4.4±8.9 months. Patients typically underwent cranioplasty with polyetheretherketone (48%), titanium mesh (21%), split thickness calvarial bone (16%), full thickness calvarial bone (14%), or split thickness rib graft (4%). Eight percent of patients required free tissue transfer for soft tissue coverage. Traumatic Brain Injury (TBI) was a risk factor for development of SoT when adjusting for age and sex (odds ratio: 8.2, 95% confidence interval: 1.2-8.9). No difference significant difference was observed between length until initial improvement of neurological symptoms following autologous versus allograft reconstruction (P=0.47). SoT can be a neurologically devastating complication of decompressive craniectomy which can resolve following urgent cranioplasty. Familiarity with this syndrome and its reconstructive implications is critical for the plastic surgery provider, who may be called upon to assist with these urgent cases.
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Bateman EA, VanderEnde J, Sequeira K, MacKenzie HM. Postural neurologic deficits after decompressive craniectomy: A case series of sinking skin flap syndrome in traumatic brain injury. NeuroRehabilitation 2020; 49:663-672. [PMID: 34744055 DOI: 10.3233/nre-210160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Hemicraniectomy to manage raised intracranial pressure following traumatic brain injury (TBI) has improved survival but may increase the incidence of Sinking Skin Flap Syndrome (SSFS). SSFS is a clinical syndrome in which patients with craniectomy develop objective neurologic abnormalities due to the pressure of the atmosphere on the unprotected brain, often presenting with postural headaches and neurologic deficits that localize to the craniectomy site. Previously thought to be a rare complication of craniectomy after TBI, evidence suggests SSFS is under-recognized. OBJECTIVE To describe the clinical and radiographic features leading to diagnosis and the impact of temporizing and definitive management of SSFS on outcomes in inpatients with moderate/severe TBI. METHODS Two patients' symptoms, qualitative behaviour observation, physical and cognitive outcome measures, and neuroimaging pre- and post-temporizing measures and cranioplasty are presented. RESULTS Both patients demonstrated partial improvements with temporizing measures and substantial improvements in functional, cognitive, physical, and rehabilitation outcomes from the cranioplasty and resolution of SSFS. CONCLUSIONS Rehabilitation care providers are critical to the timely diagnosis and management of SSFS, including the use of temporizing measures and advocacy for definitive treatment with cranioplasty. These cases highlight the diverse clinical presentations and importance of SSFS diagnosis to improve patient outcomes.
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Affiliation(s)
- Emma A Bateman
- Department of Physical Medicine and Rehabilitation, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Parkwood Institute, St Joseph's Health Care London, London, Ontario, Canada
| | - Jordan VanderEnde
- Department of Physical Medicine and Rehabilitation, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Parkwood Institute, St Joseph's Health Care London, London, Ontario, Canada
| | - Keith Sequeira
- Department of Physical Medicine and Rehabilitation, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Parkwood Institute, St Joseph's Health Care London, London, Ontario, Canada
| | - Heather M MacKenzie
- Department of Physical Medicine and Rehabilitation, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Parkwood Institute, St Joseph's Health Care London, London, Ontario, Canada
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Abstract
ABSTRACT Syndrome of the Trephined (SoT) is a severe complication following decompressive craniectomy. Urgent cranioplasty fully reverses the neurologic symptoms of SoT. This article presents a recent case of SoT following inflation of a scalp tissue expander.A review of the literature was performed and case details obtained from the electronic medical record. Our patient had a large craniectomy defect following traumatic brain injury. A scalp tissue expander was used before secondary cranioplasty. The patient suffered severe neurologic decline temporally related to tissue expander inflation, which was fully reversed following expander removal and urgent cranioplasty.SoT can be a neurologically devastating complication which can resolve following urgent cranioplasty. To our knowledge, this is the first description of SoT resulting from inflation of a scalp tissue expander. Familiarity with this syndrome is critical for the plastic surgery provider, who may be called upon to assist with these urgent cases.
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Bhatjiwale MM, Bhatjiwale MG, Chandorkar S. In Reply to the Letter to the Editor Regarding 'Transtentorial Brain Herniation After Lumbar Drainage in Patient Planned for Cranioplastic Reconstruction: Catastrophic Play Between Atmospheric and Intracranial Pressure'. World Neurosurg 2020; 141:555. [PMID: 32871730 DOI: 10.1016/j.wneu.2020.06.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 06/13/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Mrudul M Bhatjiwale
- Department of Neurosurgery, Narayana Health City, Bengaluru, India; Research Associate, The Neuro Health Foundation Clinic, Mumbai, India.
| | - Mohinish G Bhatjiwale
- Department of Neurosurgery, Navneet Hi Tech & Bhagwati -BDBA Hospitals, Mumbai, India
| | - Salila Chandorkar
- Research Associate, The Neuro Health Foundation Clinic, Mumbai, India
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Letter to the Editor Regarding "Transtentorial Brain Herniation After Lumbar Drainage in Patient Planned for Cranioplastic Reconstruction: Catastrophic Play Between Atmospheric and Intracranial Pressure". World Neurosurg 2020; 141:553-554. [PMID: 32871729 DOI: 10.1016/j.wneu.2020.06.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 11/22/2022]
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