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Dugani SM. Management of Intraoperative Rupture of Intracranial Aneurysms: Agony and Ecstasy. ACTA NEUROCHIRURGICA. SUPPLEMENT 2023; 130:65-79. [PMID: 37548725 DOI: 10.1007/978-3-030-12887-6_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Intraoperative rupture (IOR) of an intracranial aneurysm is a serious complication, often with catastrophic consequences that are difficult to manage even by the best hands. Like most surgical complications, this one is better to avoid than to treat, but any vascular neurosurgeon should know how to deal with IOR of an aneurysm, because it is bound to occur. The aims of this study were to evaluate the incidence and factors associated with IOR during clipping of intracranial aneurysms, to analyze strategies for controlling hemorrhage in such cases, and to assess outcomes. Overall, 911 cases of intracranial aneurysms, which were treated surgically by the author during 26 years of his professional career, were reviewed. IOR was never noted during clipping of an unruptured intracranial aneurysm (65 cases) but was encountered in 49 of 846 cases (5.8%) presenting with subarachnoid hemorrhage. This complication occurred most often in cases of internal carotid artery aneurysms (22 cases; 45%), followed by anterior communicating artery aneurysms (12 cases; 24%), distal anterior cerebral artery aneurysms (6 cases; 12%), middle cerebral artery aneurysms (6 cases; 12%), and posterior circulation aneurysms (3 cases; 6%). IOR was mostly encountered during early surgery (within 3 days) after the ictus (26 cases; 53%) and most frequently occurred during dissection of the aneurysm (26 cases; 53%). Overall, 22 patients (45%) had good outcome, 18 (37%) had variable morbidity, and 9 (18%) died. Fatal consequences of IOR were noted only in cases of big or multilobulated internal carotid artery aneurysms. Detailed planning of the surgical procedure, application of meticulous microdissection techniques, and anticipation of possible intraoperative incidents during intervention aimed at clipping of an intracranial aneurysm can reduce the risk of IOR, as well as the associated morbidity and mortality.
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Affiliation(s)
- Suresh M Dugani
- Department of Neurosurgery, SDM College of Medical Sciences & Hospital, Dharwad-Hubballi, Karnataka, India.
- Regional Neuroscience Centre, Shivakrupa Hospital, Dharwad-Hubballi, Karnataka, India.
- Suchirayu Hospital, Dharwad-Hubballi, Karnataka, India.
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Carotid and Intracranial Surgery. Perioper Med (Lond) 2022. [DOI: 10.1016/b978-0-323-56724-4.00021-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Radhakrishna N, Khandelwal A, Chouhan RS, Pandia MP, Burman S, Mahapatra RR. Complications and Neurological Outcome following Intraoperative Aneurysm Rupture in Adult Patients Undergoing Intracranial Aneurysmal Clipping: A Retrospective Study. J Neurosci Rural Pract 2021; 12:382-388. [PMID: 33927528 PMCID: PMC8064845 DOI: 10.1055/s-0041-1724228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Background Intraoperative aneurysmal rupture (IAR) is a catastrophic complication; however, its impact on neurological outcome is debatable. We studied the effects of IAR on intraoperative and postoperative complications and neurological outcome. Methods In this retrospective study, adult patients who underwent aneurysmal clipping over a period of 2 years were divided as follows: group R (with IAR) and group N (without IAR). Various perioperative parameters, intraoperative and postoperative complications were noted. Glasgow outcome scale (GOS) was noted at discharge from hospital and categorized as favorable (GOS IV and V) and unfavorable (GOS I, II and III). Collected data was statistically analyzed. Univariate and multiple logistic regression analyses were performed to identify predictors of IAR. A p value < 0.05 was considered significant. Results Thirty-two out of 195 (16.41%) patients suffered IAR, with majority involving anterior communicating artery aneurysm (46.88%). Duration of temporary clipping ( p < 0.001), volume of blood loss, and fluid and blood transfusion were significantly more in group R. Postoperatively, significantly more patients in group R developed intracranial hematoma, cerebral infarct, and required prolonged ventilatory support (≥5 days). Unfavorable neurological outcome was observed more in group R ( p = 0.013). In univariate analysis, blood loss > 500 mL, use of colloids, and duration of surgery > 5 hours were found to be associated with IAR. After multiple logistic regression analysis, only use of colloids and duration of surgery > 5 hours were the most predictive variables for IAR. Conclusions IAR is associated with serious intraoperative and postoperative complications and unfavorable neurological outcome.
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Affiliation(s)
- Nayani Radhakrishna
- Department of Anaesthesia and Critical Care, Army Hospital Research and Referral, Delhi Cantt, India
| | - Ankur Khandelwal
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Rajendra Singh Chouhan
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Mihir Prakash Pandia
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Sourav Burman
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Rashmi Rani Mahapatra
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences (AIIMS), New Delhi, India
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Masoud H, Nair V, Odulate-Williams A, Sharma S, Gould G, Thatcher J, Nguyen TN. Incidence of Aneurysmal Subarachnoid Hemorrhage with Procedures Requiring General Anesthesia in Patients with Unruptured Intracranial Aneurysms. INTERVENTIONAL NEUROLOGY 2018; 7:452-456. [PMID: 30410524 DOI: 10.1159/000490582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 06/02/2018] [Indexed: 11/19/2022]
Abstract
Background The role of general anesthesia in precipitating aneurysm rupture is not clearly defined. In this study, we aimed to assess the natural history of unruptured aneurysms in patients undergoing non-aneurysm-related procedures requiring general anesthesia. Methods Retrospective review of consecutive patients with untreated intracranial aneurysms that underwent unrelated surgery with operative note documentation of general anesthesia. Events of intraoperative and postoperative subarachnoid hemorrhage were recorded to determine the incidence of rupture. Results A total of 110 patients harboring 134 unsecured aneurysms were studied. The mean age was 56.5 years (range, 17-92), and 68% were women (n = 75/110). Mean aneurysm size was 3.5 mm (range 1.5-17). A total of 208 procedures were performed under general anesthesia. There were no events of subarachnoid hemorrhage in 5.7 years of follow-up. Conclusion In our study, general anesthesia did not precipitate aneurysm rupture, and there were no instances of subarachnoid hemorrhage during the follow-up period. Our results suggest a benign natural history for aneurysms undergoing unrelated general anesthesia. However, this should be interpreted with caution given limitations related to our small sample size and retrospective study design.
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Affiliation(s)
- Hesham Masoud
- SUNY Upstate Medical University, Upstate University Hospital, Syracuse, New York, USA
| | - Vijaylakshmi Nair
- SUNY Upstate Medical University, Upstate University Hospital, Syracuse, New York, USA
| | | | - Sameer Sharma
- SUNY Upstate Medical University, Upstate University Hospital, Syracuse, New York, USA
| | - Grahame Gould
- SUNY Upstate Medical University, Upstate University Hospital, Syracuse, New York, USA
| | - Joshua Thatcher
- Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts, USA
| | - Thanh N Nguyen
- Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts, USA
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Sriganesh K, Venkataramaiah S. Concerns and challenges during anesthetic management of aneurysmal subarachnoid hemorrhage. Saudi J Anaesth 2015; 9:306-13. [PMID: 26240552 PMCID: PMC4478826 DOI: 10.4103/1658-354x.154733] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Anesthetic management of patients with aneurysmal subarachnoid hemorrhage is challenging because of the emergency nature of the presentation, complex pathology, varied intracranial and systemic manifestations and need for special requirements during the course of management. Successful perioperative outcome depends on overcoming these challenges by thorough understanding of pathophysiology of Subarachnoid hemorrhage, knowledge about associated complications, preoperative optimization, choice of definitive therapy, a good anesthetic and surgical technique, vigilant monitoring and optimal postoperative care. Guidelines based on randomized studies and provided by various societies are helpful in the routine management of these patients and wherever there is a lack of high quality evidence, the available data is provided for practical management.
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Affiliation(s)
- Kamath Sriganesh
- Department of Neuro Anesthesia, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
| | - Sudhir Venkataramaiah
- Department of Neuro Anesthesia, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India
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Controversies in the anesthetic management of intraoperative rupture of intracranial aneurysm. Anesthesiol Res Pract 2014; 2014:595837. [PMID: 24723946 PMCID: PMC3958760 DOI: 10.1155/2014/595837] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2013] [Accepted: 01/26/2014] [Indexed: 01/08/2023] Open
Abstract
Despite great advancements in the management of aneurysmal subarachnoid hemorrhage (SAH), outcomes following SAH rupture have remained relatively unchanged. In addition, little data exists to guide the anesthetic management of intraoperative aneurysm rupture (IAR), though intraoperative management may have a significant effect on overall neurological outcomes. This review highlights the various controversies related to different anesthetic management related to aneurysm rupture. The first controversy relates to management of preexisting factors that affect risk of IAR. The second controversy relates to diagnostic techniques, particularly neurophysiological monitoring. The third controversy pertains to hemodynamic goals. The neuroprotective effects of various factors, including hypothermia, various anesthetic/pharmacologic agents, and burst suppression, remain poorly understood and have yet to be further elucidated. Different management strategies for IAR during aneurysmal clipping versus coiling also need further attention.
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Abstract
Aneurysmal subarachnoid hemorrhage (SAH) is a catastrophic neurologic event. Early triage of patients with SAH should include cardiopulmonary stabilization, neurologic assessment, and imaging. Conventional angiography with 3-dimensional rendering is necessary to accurately assess aneurysm morphology and location, so that treatment can be planned appropriately. Current evidence suggests that coil embolization can be beneficial for aneurysms amenable to endovascular treatment. The use of remodeling techniques has expanded the range of aneurysms treatable by endovascular means. Balloon remodeling can be a powerful technique for treating ruptured aneurysms with unfavorable morphology. However, stent-assisted technique is associated with significantly higher complication rates in ruptured aneurysms and requires dual antiplatelet agents, and should therefore be considered with great caution for ruptured aneurysms. Complications of ruptured aneurysm embolization include aneurysm perforation, which should be addressed with immediate occlusion of the aneurysm, and thromboembolism, which can be managed most effectively with glycoprotein IIb/IIIa inhibitors.
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Affiliation(s)
- Michael T Froehler
- Vascular Neurology and Neuro Interventional Service, University of Iowa, Carver College of Medicine, Department of Neurology, University of Iowa Hospital, 200 Hawkins Drive, Iowa City, IA 52242, USA.
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Lakhani S, Guha A, Nahser HC. Anaesthesia for endovascular management of cerebral aneurysms. Eur J Anaesthesiol 2006; 23:902-13. [PMID: 16723053 DOI: 10.1017/s0265021506000901] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2006] [Indexed: 11/06/2022]
Abstract
Subarachnoid haemorrhage due to rupture of cerebral aneurysms is a multisystem disease. Treatment of the condition in the past has relied on craniotomy and clipping of the aneurysm to prevent a recurrent haemorrhage. There is now emerging evidence to suggest that endovascular treatment of cerebral aneurysms may reduce the morbidity associated with open surgery. The anaesthetic management of interventional neuroradiology also creates new challenges due to the novel approach to treatment. Anaesthetists need to be familiar with this procedure and the management of potential complications. This review provides an overview such considerations.
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Affiliation(s)
- S Lakhani
- Walton Centre for Neurology and Neurosurgery, Department of Anaesthesia, Liverpool, UK
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Leipzig TJ, Morgan J, Horner TG, Payner T, Redelman K, Johnson CS. Analysis of intraoperative rupture in the surgical treatment of 1694 saccular aneurysms. Neurosurgery 2005; 56:455-68; discussion 455-68. [PMID: 15730570 DOI: 10.1227/01.neu.0000154697.75300.c2] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2004] [Accepted: 10/05/2004] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Intraoperative rupture (IOR) of an aneurysm is a known risk in the surgical management of intracranial aneurysms. The purpose of this study was to determine the incidence of IOR in a modern surgical series and to assess which factors bear upon it. METHODS This study retrospectively examined 1269 patients with saccular aneurysms treated surgically between 1986 and 1998. Three vascular neurosurgeons performed 1435 operations on 1694 aneurysms. Multiple factors, including the magnitude and time of occurrence of IOR, aneurysm location, subarachnoid hemorrhage, timing of surgery, and use of temporary occlusion, were analyzed. RESULTS There were 113 instances of IOR (7.9% per surgery; 6.7% per aneurysm; 8.9% per patient). If the 59 "minor leaks" are excluded (as in previously published reports), the incidence becomes 3.8% per surgery, 3.2% per aneurysm, and 4.3% per patient. Posteroinferior cerebellar artery and anterior and posterior communicating artery aneurysms were more liable to rupture intraoperatively. The IOR rate was greater in ruptured than unruptured aneurysms (10.7 versus 1.2%, P < 0.0001). There was a lower rate of IOR in operations using temporary arterial occlusion (3.1 versus 8.6%, P < 0.0001). The occurrence of IOR for early surgery was not significantly higher than for surgery performed more than 3 days after subarachnoid hemorrhage (11.1 versus 10.0%, P = 0.6234). CONCLUSION The rate of significant IOR can be kept low. Aneurysm location, subarachnoid hemorrhage, and temporary arterial occlusion seem to be important factors affecting the incidence of IOR.
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Affiliation(s)
- Thomas J Leipzig
- Indianapolis Neurosurgical Group, Inc., Indianapolis, Indiana 46202, USA.
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Anesthesia for craniotomy. Can J Anaesth 2002. [DOI: 10.1007/bf03018129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Keegan MT, Atkinson JL, Kasperbauer JL, Lanier WL. Exaggerated hemodynamic responses to nasal injection and awakening from anesthesia in a Cushingoid patient having transsphenoidal hypophysectomy. J Neurosurg Anesthesiol 2000; 12:225-9. [PMID: 10905571 DOI: 10.1097/00008506-200007000-00005] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A 51-year-old female patient, with an adrenocorticotrophic hormone-secreting pituitary tumor, was scheduled for transphenoidal hypophysectomy. She had a history of recent onset diabetes mellitus and a 2-year history of arterial hypertension. Despite ongoing medical therapy, preoperative blood pressure was 150-160/90-120 mm Hg. During general anesthesia, in response to perinasal infiltration with 10 ml of a solution containing lidocaine 200 mg and epinephrine 100 microg, blood pressure increased from 144/80 mm Hg to 317/175 over 3 minutes, as assessed by direct blood pressure monitoring. At the completion of the anesthetic, as the patient awakened and coughed and moved, blood pressure again increased dramatically, this time from 154/87 mm Hg to 285/170 over 3 minutes. Five months postoperatively, the patient's serum cortisol concentrations had normalized and her cuff blood pressure was 126/82, despite a reduction in her antihypertensive medications. The dramatic intraoperative blood pressure changes in this patient were attributed to the effects of hypercortisolemia on the normal physiologic responses to epinephrine and patient movement.
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Affiliation(s)
- M T Keegan
- Department of Anesthesiology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
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Chandler JP, Getch CC, Batjer HH. Intraoperative Aneurysm Rupture and Complication Avoidance. Neurosurg Clin N Am 1998. [DOI: 10.1016/s1042-3680(18)30234-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Young WL. Cerebral aneurysms: current anaesthetic management and future horizons. Can J Anaesth 1998; 45:R17-31. [PMID: 9599673 DOI: 10.1007/bf03019204] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- W L Young
- Department of Anesthesiology (in Neurological Surgery and in Radiology), College of Physicians and Surgeons of Columbia University, New York, NY, USA
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Smith AJ, Goodman NW. The hypertensive response to intubation. Do researchers acknowledge previous work? Can J Anaesth 1997; 44:9-13. [PMID: 8988817 DOI: 10.1007/bf03014316] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
PURPOSE To see whether investigators of a circumscribed research topic, the haemodynamic response to orotracheal intubation, review and cite previous work. A 1989 editorial about the response was critical to investigators for measuring physiology but not outcome; for nonetheless making recommendations; for studying only patients not at risk; and for implying patients are at risk when this is not certain. METHODS A systemic Medline search was made for English language reports published during or after 1990, and their citation lists read for missed reports. All retrieved papers were read for citation of the editorial and for acknowledgement of its criticisms. Citations were tabulated, and cross-referenced between papers, to see whether blocks of citations had been obtained from other investigators' reports. RESULTS Eighty-one full reports, from 48 groups of investigators, were obtained. The 1989 editorial was cited twice. All studies included physiological measurements, but none reported long-term outcome. There was no comment on the need to know outcome in 39 reports. Pre-existing risk factors were exclusions in 65 studies. In 56 papers, complications of the response were given as the reason for the study; in 41 of these papers only healthy subjects were studied. In total, 249 references about the response were identified from the 81 papers. There was no obvious evidence that citations were obtained from others' papers. CONCLUSION Recognised deficiencies in research method were not acknowledged. When submitting work for publication, investigators should provide evidence of how they searched for previous work.
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Affiliation(s)
- A J Smith
- University Department of Anaesthesia, Medical School Unit, Southmead Hospital, Bristol, UK
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Whittle IR, Viswanathan R. Acute intraoperative brain herniation during elective neurosurgery: pathophysiology and management considerations. J Neurol Neurosurg Psychiatry 1996; 61:584-90. [PMID: 8971104 PMCID: PMC486651 DOI: 10.1136/jnnp.61.6.584] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVES To describe operative procedures, pathophysiological events, management strategies, and clinical outcomes after acute intraoperative brain herniation during elective neurosurgery. METHODS Review of clinical diagnoses, operative events, postoperative CT findings, intracranial pressure, and arterial blood pressure changes and outcomes in a series of patients in whom elective neurosurgery had to be abandoned because of severe brain herniation. RESULTS Acute intraoperative brain herniation occurred in seven patients. In each patient subarachnoid or intraventricular haemorrhage preceded the brain herniation. The haemorrhage occurred after intraoperative aneurysm rupture either before arachnoidal dissection (three) or during clip placement (one); after resection of 70% of a recurrent hemispheric astroblastoma; after resection of a pineal tumour; and after a stereotactic biopsy of an AIDS lesion. In all patients the procedure was abandoned because of loss of access to the intracranial operating site, medical measures to control intracranial pressure undertaken (intravenous thiopentone), an intraventricular catheter or Camino intracranial pressure monitor inserted, and CT performed immediately after scalp closure. The patients were transferred to an intensive care unit for elective ventilation and multimodality physiological monitoring. Using this strategy all patients recovered from the acute ictus and no patient had intracranial pressure > 35 mm Hg. Although one patient with an aneurysm rebled and died three days later the other six patients did well considering the dramatic and apparently catastrophic nature of the open brain herniation. CONCLUSIONS There are fundamental differences in the pathophysiological mechanisms, neuroradiological findings, and outcomes between open brain herniation occurring in post-traumatic and elective neurosurgical patients. The surprisingly good outcomes in this series may have occurred because the intraoperative brain herniation was secondary to extra-axial subarachnoid or intraventricular haemorrhage rather than intraparenchymal haemorrhage or acute brain oedema. Expeditious abandonment of the procedure and closure of the cranium may also have contributed to the often very satisfactory clinical outcome.
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Affiliation(s)
- I R Whittle
- Department of Clinical Neurosciences, Western General Hospital, Edinburgh, UK
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Guy J, McGrath BJ, Borel CO, Friedman AH, Warner DS. Perioperative Management of Aneurysmal Subarachnoid Hemorrhage. Anesth Analg 1995. [DOI: 10.1213/00000539-199511000-00028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Guy J, McGrath BJ, Borel CO, Friedman AH, Warner DS. Perioperative management of aneurysmal subarachnoid hemorrhage: Part 1. Operative management. Anesth Analg 1995; 81:1060-72. [PMID: 7486047 DOI: 10.1097/00000539-199511000-00028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- J Guy
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710, USA
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Schramm J, Cedzich C. Outcome and management of intraoperative aneurysm rupture. SURGICAL NEUROLOGY 1993; 40:26-30. [PMID: 8322173 DOI: 10.1016/0090-3019(93)90165-w] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The incidence of intraoperative aneurysm rupture (IAR) was studied in a consecutive personal series of 222 patients operated on for a ruptured intracranial aneurysm. In 77 patients subjected to early surgery (operation within 72 h after rupture) IAR was 40.2% and in 145 patients with surgery after 72 h IAR was 20.7%. The mortality and severe morbidity (GOS grade 4 and 5) were 2.6% in the early surgery group, 7.6% in the late surgery group, and 5.85% in the total series despite the fact that there was a significantly higher incidence of IAR in the early surgery group. Aneurysms arising from the anterior cerebral artery (ACA) or anterior communicating artery (ACoA) appeared more prone to IAR--36.9 versus 18.6 and 23.2%--than aneurysms at other locations. There was no correlation between incidence of IAR and preoperative Hunt and Hess grade [8]. IAR affected final outcome only when it occurred prematurely during introduction of anesthesia or during opening of the dura. In conclusion, although IAR occurs more frequently when surgery is undertaken in the early stage after rupture, this complication is in experienced hands not necessarily associated with an increased risk for an unfavorable outcome.
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Affiliation(s)
- J Schramm
- Department of Neurosurgery, University of Bonn, Germany
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Abstract
Aneurysmal rupture represents the most common cause of subarachnoid hemorrhage. Approximately two-thirds of persons who experience a subarachnoid hemorrhage will die or become disabled. Although advances in neurosurgical techniques, neuroanesthetic management, and neuroradiology have resulted in great progress in reducing the operative risk for patients with intracranial aneurysms, the overall outcome following subarachnoid hemorrhage remains disappointing. This article provides an overview of some current concepts related to the perioperative management of patients with intracranial aneurysms, such as the risk and management of rebleeding and vasospasm, and considerations related to the timing of surgery. The anesthetic management of these patients is reviewed, emphasizing principles relating to the facilitation of surgery--by optimizing operative conditions and minimizing the risks of intraoperative aneurysmal rupture or the aggravation of neurologic deficits--and to the provision of a smooth, stable recovery. Despite the disappointing overall prognosis following subarachnoid hemorrhage, adherence to these principles can optimize the outcome for those patients who reach the operating room.
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Affiliation(s)
- I A Herrick
- Department of Anaesthesia, University of Western Ontario, London, Canada
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