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Arai N, Mine Y, Kagami H, Maruyama M, Daikoh A, Inaba M. Safe Burr Hole Surgery for Chronic Subdural Hematoma Using Dabigatran with Idarucizumab. World Neurosurg 2018; 109:432-435. [DOI: 10.1016/j.wneu.2017.10.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 10/06/2017] [Accepted: 10/09/2017] [Indexed: 10/18/2022]
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Dwivedi AK, Sharma A, Sinha VD. Comparative Study of Derangement of Coagulation Profile between Adult and Pediatric Population in Moderate to Severe Traumatic Brain Injury: A Prospective Study in a Tertiary Care Trauma Center. Asian J Neurosurg 2018; 13:1123-1127. [PMID: 30459880 PMCID: PMC6208204 DOI: 10.4103/ajns.ajns_16_17] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Object: Coagulopathy is a common occurrence following traumatic brain injury (TBI). There are various studies showing incidence and risk factors of coagulopathy and their correlation with poor outcome in adult as well as paediatric age groups. Exact incidence, associated risk factors, treatment guideline for coagulopathy and its impact on outcome are still lacking. In our study we compared the adults and paediatric age groups TBI patients for incidence and risk factors of coagulopathy and its impact on outcome. Methods: Prospective study of 200 patients including 152 adult patients (age > 18 years) and 48 paediatric (Age < 18 years) patients of TBI admitted in intensive care unit of trauma centre of a tertiary care centre was performed from august 2015 to march 2016. Both population were further subdivided into moderate TBI and severe TBI as per Glasgow coma score (GCS). Patient with long bone injury, chest injury and abdominal injuries, coagulation disorder, liver disease, medical disease like diabetes mellitus and hypertension were excluded from study. Coagulation profile were compared in the both groups (Adult and paediatric) and correlated with the outcome. Chi- Square test, student t test and Odds ratios were used for statistical analysis. Results: Mean age among the adult and paediatric population were 37.89 ± 11.88 years and 11.41 ± 5.90, respectively. Among the patient with moderate TBI, coagulopathy was seen in 30% patients of adult TBI whereas it was 12.5% among the paediatric TBI (P = 0.185). Among the severe TBI group coagulopathy was observed in 68.03% and 37.5% of adult and paediatric age group respectively (P = 0.0016). There was significant correlation found between midline shift and coagulopathy in the paediatric age group (P = 0.022; OR - 4.58). E. There was significant association of coagulopathy and contusion on CT scan among the adult population (P = 0.007; OR - 3.487) found whereas no such correlation were observed in paediatric population. Conclusion: Coagulopathy was significantly higher among the adult patient with severe TBI as compare to paediatric patient with severe TBI. There was no statistically significant difference in mortality among patients of both the age groups with coagulopathy.
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Affiliation(s)
- Ashish Kumar Dwivedi
- Department of Neurosurgery, Artemis Agrim Institute of Neurosciences, Gurgaon, Haryana, India
| | - Achal Sharma
- Department of Neurosurgery, S.M.S. Medical College, Jaipur, Rajasthan, India
| | - Virendra Deo Sinha
- Department of Neurosurgery, S.M.S. Medical College, Jaipur, Rajasthan, India
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Abstract
OBJECTIVES Haemorrhage remains among the most preventable causes of trauma death. Massive transfusion protocols, as part of 'haemostatic resuscitation', have been implemented in most trauma centres. Relative to the attention to the ideal ratio of red blood cells to fresh frozen plasma and platelets, cryoprecipitate treatment has been infrequently discussed. We aimed to outline the use of cryoprecipitate during trauma resuscitation and analyse outcomes in patients who received cryoprecipitate after hypofibrinogenaemia detection. METHODS A retrospective review of registry data on all major trauma patients (Injury Severity Score>15) presenting to a level I trauma centre over a 4-year period (2008-2011) was conducted. We selected all patients who had received cryoprecipitate and then analysed patients who had received cryoprecipitate following the detection of hypofibrinogenaemia (<1.0 g/l). Mortality at hospital discharge among hypofibrinogenaemic patients who had received cryoprecipitate was compared with that among patients who had not received cryoprecipitate. RESULTS Of 3996 trauma patients, 3571 had fibrinogen levels recorded. Most patients (n=3517, 98.5%) had initial fibrinogen counts of 1.0 g/l or higher, and cryoprecipitate was administered to a small proportion of these patients (n=126, 3.6%). Of the 54 patients with hypofibrinogenaemia on arrival, one patient died immediately and was excluded from further analysis. Of the 53 patients, 30 received cryoprecipitate and 28/53 died (53%). There was no difference in mortality between those who had received and those who had not received cryoprecipitate (14/30 vs. 14/23, P=0.31). CONCLUSION Administration of cryoprecipitate was uncommon during trauma resuscitation, even among patients with hypofibrinogenaemia on presentation. This study provides no evidence towards improved outcomes from administration of cryoprecipitate.
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Abstract
Coagulopathy is often observed after traumatic brain injury (TBI), but the pathogenic mechanisms of this phenomenon remain elusive. Brain injury is the leading cause of trauma deaths, and the development of coagulopathy after TBI is associated with increased morbidity and mortality in these patients. The coagulopathy after TBI comprises a hypocoagulable and a hypercoagulable state with hemorrhagic and thrombotic phenotypes that are both associated with worse outcome. Some theories of its pathogenesis include massive release of tissue factor, altered protein C homeostasis, microparticle upregulation, and platelet hyperactivity. This article aims to examine the coagulopathy associated with blunt head injury, to review its effect on progression of hemorrhagic injury, and to discuss the possible relevant pathophysiological mechanisms.
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Affiliation(s)
- Monisha A Kumar
- Departments of Neurology, Neurosurgery, and Anesthesiology and Critical Care, Perelman School of Medicine, Hospital of the University of Pennsylvania, 3 West Gates Building, 3400 Spruce Street, Philadelphia, PA, 19104, USA,
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Lozance K, Dejanov I, Mircevski M. Role of coagulopathy in patients with head trauma. J Clin Neurosci 2012; 5:394-8. [PMID: 18639059 DOI: 10.1016/s0967-5868(98)90269-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/1996] [Accepted: 10/21/1996] [Indexed: 11/19/2022]
Abstract
Coagulation disorders are a well known complication in patients with head injuries. A prospective study was undertaken to determine the incidence and prognostic value of haemostatic abnormalities in this group of patients. Clotting mechanisms in 105 patients with an isolated head injury were evaluated using platelet count (PC), prothrombin time (PT), activated partial thromboplastin time (APPT), thrombin clotting time (TCT), plasma fibrinogen concentration (Fib), level of fibrin-fibrinogen degradation products (FDP) and increased consumptive coagulopathy grade (ICCG) in the first 24 h after injury. The clinical severity of the head injuries was represented by the post-resuscitation Glasgow coma score (GCS) divided into four coma groups (CG). Test results were compared between two outcome groups of patients: discharged and dead. The incidence of disseminated intravascular coagulation (DIC) by laboratory criteria in the two groups was 12% and 38%, respectively. The differences between mean values of the discharged and dead patients for GCS, APTT, FDP and ICCG were statistically significant (P < 0.001). There was a very strong correlation between the GCS and values of the FDP, APTT, TCT and ICCG (P < 0.01). Stepwise logistic regression analysis demonstrated that GCS, FDP level, and ICCG predicted outcome in 84% of cases. Other tests did not provide additional predictive value. We conclude that evaluation of coagulation and fibrinolysis in patients with head injuries is not only important in identifying the occurrence of coagulopathy, but also useful in predicting head injury outcome.
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Affiliation(s)
- K Lozance
- Department of Neurosurgery and Institute of Blood Transfusion, Medical Faculty, University of St Cyril and Method, Skopje, Republic of Macedonia
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Sun Y, Wang J, Wu X, Xi C, Gai Y, Liu H, Yuan Q, Wang E, Gao L, Hu J, Zhou L. Validating the incidence of coagulopathy and disseminated intravascular coagulation in patients with traumatic brain injury--analysis of 242 cases. Br J Neurosurg 2011; 25:363-8. [PMID: 21355766 DOI: 10.3109/02688697.2011.552650] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES To estimate the incidence of coagulopathy and disseminated intravascular coagulation (DIC) in patients with traumatic brain injury (TBI) and to investigate its relationship to patient outcome. DESIGN A prospective observational study. MEASUREMENTS AND MAIN RESULTS From January 2007 to June 2009, 242 consecutive adult patients with TBI seen in three independent hospitals were recruited. Glasgow Coma Score (GCS) on admission, platelet counts (PLT), prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB), D-dimer (D-DT) and DIC scores were recorded for each case on admission. Clinical outcome was measured according to the Glasgow Outcome Scale (GOS) at 3 months after injury. Statistical analysis was carried using Student's t-test, one-way analysis of variance (ANOVA), and Tudey test. Coagulation abnormalities were present in approximately 50% of patients with TBI. Prolonged PT and increased D-DT and FIB levels occurred in patients with more severe brain injury and poorer outcome, and these findings were statistically significant. CONCLUSIONS Coagulation changes, particularly the incidence of DIC, may occur within 6 h after TBI and are more pronounced in patients with severe injuries and poor outcome. PT, D-DT levels and more comprehensively a DIC scores may be useful prognostic indicators in patients with TBI.
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Affiliation(s)
- Yirui Sun
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, PR China
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Saggar V, Mittal RS, Vyas M. Hemostatic Abnormalities in Patients with Closed Head Injuries and Their Role in Predicting Early Mortality. J Neurotrauma 2009; 26:1665-8. [DOI: 10.1089/neu.2008.0799] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Vineet Saggar
- Department of Neurosurgery, S.M.S. Medical College, Jaipur, India
| | - Radhey S. Mittal
- Department of Neurosurgery, S.M.S. Medical College, Jaipur, India
| | - M.C. Vyas
- FSU, Central Bureau of Health Intelligence, Jaipur, India
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Harhangi BS, Kompanje EJO, Leebeek FWG, Maas AIR. Coagulation disorders after traumatic brain injury. Acta Neurochir (Wien) 2008; 150:165-75; discussion 175. [PMID: 18166989 DOI: 10.1007/s00701-007-1475-8] [Citation(s) in RCA: 229] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2007] [Accepted: 10/01/2007] [Indexed: 10/22/2022]
Abstract
BACKGROUND Over the past decade new insights in our understanding of coagulation have identified the prominent role of tissue factor. The brain is rich in tissue factor, and injury to the brain may initiate disturbances in local and systemic coagulation. We aimed to review the current knowledge on the pathophysiology, incidence, nature, prognosis and treatment of coagulation disorders following traumatic brain injury (TBI). METHODS We performed a MEDLINE search from 1966 to April 2007 with various MESH headings, focusing on head trauma and coagulopathy. We identified 441 eligible English language studies. These were reviewed for relevance by two independent investigators. A meta-analysis was performed to calculate the frequencies of coagulopathy after TBI and to determine the association of coagulopathy and outcome, expressed as odds ratios. RESULTS Eighty-two studies were relevant for the purpose of this review. Meta-analysis of 34 studies reporting the frequencies of coagulopathy after TBI, showed an overall prevalence of 32.7%. The presence of coagulopathy after TBI was related both to mortality (OR 9.0; 95%CI: 7.3-11.6) and unfavourable outcome (OR 36.3; 95%CI: 18.7-70.5). CONCLUSIONS We conclude that coagulopathy following traumatic brain injury is an important independent risk factor related to prognosis. Routine determination of the coagulation status should therefore be performed in all patients with traumatic brain injury. These data may have important implications in patient management. Well-performed prospective clinical trials should be undertaken as a priority to determine the beneficial effects of early treatment of coagulopathy.
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Morales D, McIntosh T, Conte V, Fujimoto S, Graham D, Grady MS, Stein SC. Impaired fibrinolysis and traumatic brain injury in mice. J Neurotrauma 2006; 23:976-84. [PMID: 16774481 DOI: 10.1089/neu.2006.23.976] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Traumatic brain injury (TBI) has been associated with intravascular coagulation, which may be a result of thromboplastin released following brain injury. Clots thus formed are lysed by plasmin, which is activated by tissue-type and urokinase-type plasminogen activators (uPA). To evaluate the association between traumatic intravascular coagulation and post-traumatic outcome, uPA knockout (uPA-/-) transgenic mice (n=12) or wild-type littermates (WT; n=12) were anesthetized and subjected to controlled cortical impact (CCI) brain injury. A second group of uPA-/- (n=12) and WT mice (n=12) were subjected to sham injury. Motor function was assessed over 2 weeks using the composite neuroscore test and cognition (learning) was assessed with the Morris Water Maze (MWM) at 2 weeks post-injury, whereupon the animals were sacrificed for cortical lesion volume analysis. Motor function was significantly worse in the brain-injured uPA-/- mice when compared to brain-injured WT mice at 48 h (p<0.05) and one week post-injury (p<0.05). These differences resolved by 2 weeks post-injury. There was no significant difference in post-injury cognitive function between uPA-/- mice and WT mice. However, at 2 weeks post-injury, the brain-injured uPA-/- had a significantly larger volume of cortical tissue loss than their WT counterparts (p<0.05). These results demonstrate that the absence of uPA in mice aggravates acute motor deficit and exacerbates cortical tissue loss following CCI brain injury, and suggests a neuroprotective role of the fibrinolytic process following TBI.
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Affiliation(s)
- Diego Morales
- Traumatic Brain Injury Laboratory, Department of Neurosurgery, University of Pennsylvania School of Medicine, and Veterans Administrations Medical Center, Philadelphia, Pennsylvania 19106, USA
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Sánchez-polo C, Suárez-pinilla M, Gutiérrez-cía I, Virgos-señor B, Escos-orta J, Villanueva Anadon B, Larraga-Sabaté J, Cornudella Lacasa R. Traumatismo craneoencefálico: valor pronóstico de los marcadores de hipercoagulabilidad y fibrinólisis. Med Intensiva 2004. [DOI: 10.1016/s0210-5691(04)70095-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Yokota H, Naoe Y, Nakabayashi M, Unemoto K, Kushimoto S, Kurokawa A, Node Y, Yamamoto Y. Cerebral endothelial injury in severe head injury: the significance of measurements of serum thrombomodulin and the von Willebrand factor. J Neurotrauma 2002; 19:1007-15. [PMID: 12482114 DOI: 10.1089/089771502760341929] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Thrombomodulin (TM), which is located in the surface of the endothelium in the arteries, veins, and capillaries of major organs such as the brain, lungs, liver, kidneys, skeletal muscles, and gastrointestinal tract, is one of several indicators of endothelial injury. Von Willebrand factor (vWf), which is synthesized by endothelial cells, is also an endothelial specific glycoprotein. The serum level of vWf increases in response to various stimuli without endothelial injury. An elevated serum level of vWf may suggest endothelial activation in severe head injury. We hypothesize that the degree of cerebral endothelial activation or injury depends on the type of head injury and that measuring the TM and vWf is useful for predicting delayed traumatic intracerebral hematoma (DTICH), produced by weakness of the vessel wall, occuring either as a direct or indirect effect of head injury. The values of vWf in focal brain injury (ranging from 332.5 +/- 52.8% to 361.7 +/- 86.2%) were significantly higher than those in diffuse axonal injury from 2 h to 7 days after the injury occurred (ranging from 201.6 +/- 59.5% to 242.5 +/- 51.7%). The serum level of TM in focal brain injury (ranging from 3.84 +/- 1.54 to 4.12 +/- 1.46 U/mL) was higher than that in diffuse axonal injury (ranging from 2.96 +/- 0.63 to 3.67 +/- 1.70 U/mL), but these differences were not statistically significant. In patients with DTICH, TM was significantly higher than in patients without DTICH (p < 0.01). The results of our study demonstrate that the degree of endothelial activation in focal brain injury was significantly higher than in diffuse brain injury. In addition, the serum level of TM in patients with DTICH was significantly higher than in patients without DTICH. These findings suggest that cerebral tissue injury is often accompanied by cerebral endothelial activation, and that these two phenomena should be distinguished from each other. The levels of serum TM and vWf appear to be good indicators of the cerebral endothelial injury and of endothelial activation in severe head injury.
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Affiliation(s)
- Hiroyuki Yokota
- Department of Emergency and Critical Care, Tama-Nagayama Hospital, Nippon Medical School, Tokyo, Japan.
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Reviejo K, Arcega I, Txoperena G, Azaldegui F, Alberdi F, Lara G. Análisis de factores pronósticos de la mortalidad en el traumatismo craneoencefálico grave. Proyecto Poliguitania. Med Intensiva 2002. [DOI: 10.1016/s0210-5691(02)79774-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Takahashi H, Urano T, Nagai N, Takada Y, Takada A. Hyperfibrinolytic activity after head injury is induced by elevated tPA activity. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s0268-9499(98)80384-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Takahashi H, Urano T, Takada Y, Nagai N, Takada A. Fibrinolytic parameters as an admission prognostic marker of head injury in patients who talk and deteriorate. J Neurosurg 1997; 86:768-72. [PMID: 9126890 DOI: 10.3171/jns.1997.86.5.0768] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Because it has been difficult to predict the outcome of patients with head injury in the early period after admission, a clinical study was undertaken to evaluate if the fibrinolytic parameters could be reliable indicators of outcome. Seventy patients presenting with head injury without obvious trauma in other regions were studied, and plasma levels of alpha2-plasmin inhibitor-plasmin complex (PIC) and D-dimer on admission (within 2 hours postinjury) were assessed. Plasma levels of both PIC and D-dimer were elevated and correlated well to patient outcomes. When plasma PIC levels were higher than 15 microg/ml or D-dimer levels were higher than 5 microg/ml, 92% of patients died regardless of their consciousness level on admission, whereas all patients made good recoveries when their PIC levels were less than 2 microg/ml or D-dimer levels were less than 1 microg/ml. Therefore, plasma levels of both PIC and D-dimer on admission were revealed to be reliable prognostic markers of head injury. Using these markers, patients with poor outcomes (progressive brain injury), such as "talk and deteriorate" types, could be readily identified on admission.
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Affiliation(s)
- H Takahashi
- Department of Neurosurgery, Hamamatsu University School of Medicine, Shizuoka-ken, Japan
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Sørensen JV, Jensen HP, Rahr HB, Borris LC, Lassen MR, Fedders O, Haase JP, Knudsen F. Haemostatic activation in patients with head injury with and without simultaneous multiple trauma. Scand J Clin Lab Invest 1993; 53:659-65. [PMID: 8272754 DOI: 10.3109/00365519309092568] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
In a prospective study including 16 patients with multiple trauma and head injury and 14 patients with isolated head injury we measured plasma levels of prothrombin fragment 1 and 2 (F1 + 2) and thrombin/antithrombin III complex (TAT) on admission and on days 1, 2, 3, and 7 after the incident. On admission, all patients had values of F1 + 2 and TAT above the reference range. Admission levels of both F1 + 2 and TAT were significantly higher compared with levels on the following days. Admission levels of F1 + 2 was significantly correlated to the Injury Severity Score. TAT was higher in patients with multiple trauma than in patients with isolated head injury and were significantly correlated to the Injury Severity Score on admission and on day 3. Levels of F1 + 2 were significantly lower on day 1 in four patients with post-traumatic pulmonary dysfunction compared with patients without pulmonary dysfunction. With respect to levels of TAT, no differences were detected between patients with and without pulmonary dysfunction.
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Affiliation(s)
- J V Sørensen
- Department of Orthopaedics, Aalborg Hospital, Denmark
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Huber A, Dorn A, Witzmann A, Cervós-Navarro J. Microthrombi formation after severe head trauma. Int J Legal Med 1993; 106:152-5. [PMID: 7509618 DOI: 10.1007/bf01225238] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
This study was undertaken to look for trauma-related fibrinous microthrombi in traumatized human brains. Fifty brains from patients with variable time intervals between trauma and death were fixed in 10% formaldehyde. Sections from the contusioned area and from the corresponding area of the contralateral hemisphere were embedded in paraffin and 50 non-traumatized brains were used as controls. After sectioning and embedding, 10 microns sections were stained with haemalum and eosin (HE) and phosphotungstic acid-hematoxylin (PTAH). Stained fibrinous microthrombi were counted in each hemisphere and in control sections. More microthrombi could be found in the contusioned areas of the brain than in the contralateral side or in control sections.
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Affiliation(s)
- A Huber
- Abteilung für Neurochirurgie, LKH Feldkirch, Osterreich
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Piek J, Chesnut RM, Marshall LF, van Berkum-Clark M, Klauber MR, Blunt BA, Eisenberg HM, Jane JA, Marmarou A, Foulkes MA. Extracranial complications of severe head injury. J Neurosurg 1992; 77:901-7. [PMID: 1432133 DOI: 10.3171/jns.1992.77.6.0901] [Citation(s) in RCA: 203] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In order to define the role of intracranial and extracranial complications in determining outcome from severe head injury, 734 patients from the Traumatic Coma Data Bank were analyzed. Nine classes of intracranial and 13 classes of extracranial complications occurring within the first 14 days after admission were analyzed, while controlling for age, admission Glasgow Coma Scale motor score, early hypoxia or hypotension, and severe extracranial trauma. Outcome for survivors was based on the last recorded Glasgow Outcome Scale score, obtained a median of 521 days after injury. Intracranial complications did not significantly alter outcome for the study group. Of the extracranial complications, pulmonary, cardiovascular, coagulation, and electrolyte disorders occurred most frequently at 2 to 4 days. Infections developed later, peaking at 5 to 11 days. Gastrointestinal, renal, and hepatic complications followed no specific time course. Electrolyte abnormalities were the most frequent occurrence (59% of patients) but did not alter outcome. Pulmonary infections (41%), shock (29%, systemic blood pressure < or = 90 mm Hg for 30 minutes or more), coagulopathy (19%), and septicemia (10%) were significant independent predictors of an unfavorable outcome. Backward-elimination, stepwise logistic regression modeling indicated that the estimated reduction of unfavorable outcome was 2.9% for the elimination of pneumonia, 3.1% for coagulation disturbances, 1.5% for septicemia, and 9.3% for shock. These data suggest that extracranial complications are highly influential in determining the outcome from severe head injury and that significant improvements in outcome in a sizeable proportion of patients could be accomplished by improving the ability to prevent or reverse pneumonia, hypotension, coagulopathy, and sepsis.
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Affiliation(s)
- J Piek
- Neurochirurgische Klinik, Universität Düsseldorf, Germany
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Stein SC, Young GS, Talucci RC, Greenbaum BH, Ross SE. Delayed brain injury after head trauma: significance of coagulopathy. Neurosurgery 1992; 30:160-5. [PMID: 1545882 DOI: 10.1227/00006123-199202000-00002] [Citation(s) in RCA: 186] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
We reviewed the records of 253 patients with head injury who required serial computed tomographic (CT) scans; 123 (48.6%) developed delayed brain injury as evidenced by new or progressive lesions after a CT scan. An abnormality in the prothrombin time, partial thromboplastin time, or platelet count at admission was present in 55% of the patients who showed evidence of delayed injury, and only 9% of those whose subsequent CT scans were unchanged or improved from the time of admission (P less than 0.001). Among patients developing delayed injury, mean prothrombin time at admission was significantly longer (14.6 vs. 12.6 s, P less than 0.001) and partial thromboplastin time was significantly longer (36.9 vs. 29.2 s, P less than 0.001) than patients who did not have delayed injury. If coagulation studies at admission were normal, a patient with head injury had a 31% risk of developing delayed insults. This risk rose to almost 85% if at least one clotting test at admission was abnormal (P less than 0.001). We conclude that clotting studies at admission are of value in predicting the occurrence of delayed injury. If coagulopathy is discovered in the patient with head injury early follow-up CT scanning is advocated to discover progressive and new intracranial lesions that are likely to occur.
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Affiliation(s)
- S C Stein
- Department of Surgery/Neurosurgery, Cooper Hospital/University Medical Center, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, Camden
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