Glasgow Coma and Glasgow Outcome Scales for Brain Injury

Glasgow Coma and Glasgow Outcome Scales for Brain Injury ABSTRACT Traumatic brain injury (TBI) is a leading cause of death in adults under the age of 45 and an estimated 7.7 million people in the European Union are living with a disability caused by TBI. The severities of these injuries are differentiated by the use of the Glasgow Coma Scale (GCS), and the outcome is assessed by the Glasgow Outcome Scale (GOS). These scales can be used to develop a prognosis for individuals with TBI’s in various ways. Primarily, the lower the GCS score the more severe the brain injury and therefore the worse the outcome for the patient. The GOS is applied 6 months after injury and provides a score of 1-5 with a lower score indicating the worse outcome, death. To conclude GCS by itself cannot be used to provide a long term prognosis for brain injuries. GCS can be used in addition to other factors such as presence of a midline shift on Computer Tomography and fixed pupil dilations are significant in determining prognosis. The presence of lesions on the brainst em correlates with the GCS and GOS scores allowing reliable and valid prognosis’ to be made. INTRODUCTION Traumatic brain injury (TBI) affects an estimated 1.4 million people every year in the United Kingdom (UK)[1], and is a leading cause of death in adults under the age of 45. [2] It is currently estimated that at least 7.7 million people in the European Union are living with disabilities caused by TBI’s. [3] TBI’s account for 6.6% of the Accident Emergency (AE) attendees. [4] 95% of all TBI’s presented at AE are mild, 5% severe and moderate injuries. [5] It is extremely important to determine the severity of the TBI as it has implications on the treatment and later rehabilitation of the patient. TBI can be open or closed injuries, with open TBI injuries being linked to worse functional outcomes and increased mortality. The most common method of assessing TBI is the Glasgow Coma Scale (GCS) and a common method for addressing the outcome of a patient is the Glasgow Outcome Scale (GOS). WHAT IS THE GLASGOW COMA SCALE? The GCS is a test to ascertain the consciousness of a patient after being subject to a TBI. The maximum score with this scale is 15 and the minimum 3, this is comprised of three sections: eye opening, verbal response and motor response. (Table 1). GCS is included in National Institute for Health and Clinical Excellence (NICE) guideline on head injury3 to provide information on survival rates for patients suffering different severities of TBI. The guideline also indicates that GCS is a measurement that should be taken at the scene of the injury by paramedics. If this is not possible it should be taken at admission to AE as early indication of TBI severity is imperative in the later treatment. The GCS differentiates between the severities of head injury by score ranges. A GCS of 13-15 indicates a mild head injury, 9-12 moderate and 3-8 severe. The GCS score can be affected by the time it is applied after injury, therefore in order to universalise this, GCS is often used once the patient has been stabilised.4 The GCS can be difficult to use in trauma cases, as localised trauma, swelling, sedation and intubation can affect testing the eye and verbal responses. [6] [7] In a survey performed by The European Brain Injury Consortium only 49% of patients could be tested fully against the scale after being stabilised in resuscitation.[8] Feature Response Score Total Eye Opening Spontaneously 4 To speech 3 To pain 2 No response 1 E: /4 Verbal Response Orientated 5 Confused 4 Inappropriate words 3 Incomprehensible words 2 No response 1 V: /5 Motor Response Obeys commands 6 Localises pain 5 Withdraws from pain 4 Flexion to pain 3 Extension t pain 2 No response 1 M:/6 Total Score GCS /15 Table 1- Glasgow Coma Scale Components of the GCS and how each section is scored individually Adapted from: Bethel J. 2012, Emergency care of children and adults with head injury, Nursing Standard, 26(43), 49-56 The GCS is considered by some to have acceptable inter-rater reliability[9] when used by experienced practitioners. However mistakes are made consistently by inexperienced users of up to 1 mark per section. Inter-rater reliability was shown to improve after exposure to a training video.[10] Reliability with scoring is imperative in making accurate TBI severity diagnosis, and then the relevant treatment associated with them. In severe TBI’s the motor component of the GCS is the best indicator of prognosis, this is due to verbal and eye scores not being able to be performed. [11] This has led to an adaption of the motor score of the GCS, called the simplified motor score (SMS). The SMS has 3 scores: 2 obey commands, 1 localises pain and 0 withdrawal to pain.[12] It was found that the SMS and GCS were useful in indicating whether neurosurgery was needed and also intubation. Overall GCS was better in predicting chance of death, however SMS was able to be used to assess patient involved in trauma more effectively as intubation and eye swelling would not be detrimental.12 This indicates that SMS may be better used in conjunction with GCS with patients who present to AE with severe head trauma. HOW CAN THE GLASGOW COMA SCALE BE USED IN BRAIN INJURY PROGNOSIS? A more severe TBI will lead to a worse 6-month functional outcome for the patient. 30% of patients with initial GCS [13] and 50% of patients with GCS ≠¤8 after being stabilized in resuscitation will die.6 Patients who have a GCS score of 3-5 have a 5% chance of survival 6 months after injury.[14] There is no direct correlation between GCS score and the patient’s ability to function in daily life afterwards. This is due to varied functional outcomes being linked to different scores on the GCS.[15] Patients with GCS ≠¥8 had 85% chance of favourable prognosis, if this score was obtained 24 hours post-admission.[16] The predictive value of GCS scores alter according to the time at which the score was obtained. GCS scores obtained at least 24 hours after trauma were linked to the grade the TBI was classified by MRI data. These grades are associated with brain stem lesions, grade 4 being the worst and grade 1 the best. The higher the GCS score the lower the grade of brainstem lesion and therefore the better prognosis in terms of functional outcome for the patient. 14 In a study performed by Utomo et al there were no patients with GCS 3-8 that were living independently 6 months after injury. In addition patients with this GCS score were 24 times more likely to die when compared to patients with GCS score 13-15.[17] GCS alone cannot accurately predict the brain injury prognosis for a patient. However, if GCS is applied with computer tomography (CT) evidence and pupil dilations, then a prognosis of possible functional outcome can be made for an individual patient.[18] WHAT IS THE GLASGOW OUTCOME SCALE? The GOS was developed to assess functional recovery of patients with brain injuries.[19] The GOS is based on a structured interview that assesses 7 areas: consciousness, independence at home, independence in the community, work, leisure and social events, relationship with family and friends and finally return to normal life.[20] The area in which the patient is living is not taken into account with the GOS but is taken note of separately. GOS is often split into two broad outcomes: favourable and unfavourable. Favourable outcome encompasses good recovery and moderately disabled. Unfavourable outcome includes: death, persistent vegetative state and severely disabled.9 The standard GOS has a 5 point scale (Table 2) but was extended after concerns were raised that it was not sensitive enough in detecting minor disabilities that may restrict the patient in returning to work. This led to the GOS extended (GOSE) being devised. Guidance has been published to increase the universal reliability of the GOSE[21], but there are still issues with its application. This is mainly due to the time period between the TBI and the GOSE being applied, this is normally taken at 6-12 months post injury. A GOS assessment at 12 months was more reliable than at 6 months[22], but it may increase the number of patients lost in follow up. 10% of patients who were moderately or severely disabled at the 6 month GOS test improved by one category. GOS GOS(extended) 1 Death 1 Death 2 Persistent Vegetative State 2 Persistent Vegetative State 3 Severely Disabled 3 Lower Severely Disabled 4 Upper Severely Disabled 4 Moderately Disabled 5 Lower Moderately Disabled 6 Upper Moderately Disabled 5 Good recovery 7 Lower Good Recovery 8 Upper Good Recovery Table 2 Glasgow Outcome Scale Shows on the left hand side the original GOS (5 point scale) and on the right the extended GOS (8 point scale) Adapted from: Nichol A, Higgins A, Gabbe B, Murray L, Cooper D, Cameron P. 2011, Measuring functional and quality of life outcomes following major head injury: Coma scales and checklists, Injury, 42(3), 281-287 The 5 sections of the GOS refer to the functional ability that will ultimately be achieved by the patient. Vegetative state refers to the patient being unable to respond; severely disabled patients cannot live on their own; moderately disabled patients can live by their selves but have reduced ability to work; good recovery infers that the patient returns to work fully.[23] It is also possible that the patient when interviewed presents a more positive outlook of their situation leading to the GOS score being faulty. In addition to this a patient may be given a GOS score of 5 indicating a good recovery, but this only refers to the patient being able to return to work. With a good recovery prognosis may still have changes in personality and an inability to cope in social situations.20 This leads to the GOS not fully indicating a good recovery, again highlighting the reason why the GOSE was devised. Under these circumstances a patient can be given a GOSE score of 7 indicating a lower good recovery. The GOS and the GOSE scores can be obtained via phone call increasing their practicality as a scale. This scale is reliable when performed over the phone due to the standardized interview which informs the score that the patient will receive.19 HOW CAN THE GLASGOW OUTCOME SCALE BE USED IN BRAIN INJURY PROGNOSIS? When applied to the GOS a patient with a severe TBI had 40% likelihood of death; 4% chance of being in a vegetative state; 16% severe disability; 19% moderate disability and 21% chance of a good recovery.6 This was a 40% likelihood of a favourable functional outcome at the 6-month GOS test. This is compared to mild brain injury that had 9% chance of dying; 0% of being in a vegetative state; 14% of severe disability; 24% of moderate disability and 53% of having a good recovery.6 This has a 77% overall prognosis of a favourable outcome for individuals with a mild brain injury. This shows that the GOS will make a differentiation in functional outcome for different severity of brain injury. This score is unlikely to change from an unfavourable to favourable outcome after this time period although some small improvements may be seen.18 Any further improvement is probably linked to rehabilitative treatment, and not the improvement of the patient’s TBI. There is a 94% chance of a good recovery with GCS >8.5 (9 +) and age ≠¤49.5 years. This is compared to an 81% chance of good recovery with GCS >8.5 (9 +) and age ≠¥49.5 years. This highlights how age can affect the probability of a patient achieving a good recovery from their brain injury.[24] Patient’s aged >75 years with a moderate or severe TBI were three times more likely to die from their TBI than patients aged 65-74 years. It was also less common for patients aged >75 years to be living independently 6 months post-injury than patients that were younger.15 The age of the patient and the severity of their TBI need to be taken into account when deciding on treatment. The prognoses for individuals in the 75+ age range are unfavourable according to the GOS. 15 Due to this treatment should be decided based on this factor. There is a correlation between the GOC score a patient is given and the grade of their brainstem lesion that is provided by MRI data. A higher grade of brainstem lesion correlates to a more unfavourable outcome for the patient.14 CONCLUSIONS Overall the GCS cannot by itself provide either long or short term brain injury prognosis. This is because there are too many variables that affect each GCS score, including the fluctuation of the GOS associated with these scores and the difference in reliability depending on who has applied the scale. The GCS is used to assess the severity of a brain injury and to allow medical professionals to constantly monitor the patient’s progress. GOS can be used to give prognosis 6 to 12 months after injury; if the scale is used before this time then the score will not indicate the full functional outcome of the patient. This time period of scoring is not beneficial for prognosis at such a time that it will be used to inform treatment of the patient. The GOS does not provide a long term prognosis for brain injury as over time and with rehabilitation improvements can be made past what is predicted. Due to the time period necessary for GOS to be more accurately applied, the GCS can be used for the interim on a general scale in order to infer the likely GOC score a patient may receive. This score will be linked to other factors such as age, pupil dilation and presence of a midline shift on computer tomography, in addition to initial GCS score.18 To conclude the GCS and GOS are vital in identifying the severity of brain injury and are still the most used scales for their purpose due to their simplicity and acceptable reliability. The use of these scales in brain injury prognosis helps direct treatment for individual patients, and allows realistic individual rehabilitation goals to be made for that individual. References [1]Hodgkinson D, Berry E, Yates D. 1994, Mild head injury – a positive approach to management, European Journal of Emergency Medicine, 1(1), 9-12 [2] Moppett I. 2007, Traumatic brain injury: assessment, resuscitation and early management, British Journal of Anaesthesia, 99(1), 18-31 [3] Roozenbeek B, Maas A, Menon D. 2013, Changing patterns in the epidemiology of traumatic brain injury, Nature Reviews Neurology, 9(4), 231-236 [4] Swann I, Walker A. 2001, Who cares for the patient with head injury now?, Emergency Medicine, 18(5), 352-357 [5] National Institute for Health and Clinical Excellence (NICE) 2014 Head Injury; Triage, assessment, investigation and early management of head injury in children, young people and adults Available at: http://www.nice.org.uk/guidance/cg176/resources/guidance-head-injury-pdf (Accessed 18/03/2015) [6] Chieregato A, Martino C, Pransani V, Nori G, Russo E, Simini B et al. 2010, Classification of traumatic brain injury: the Glasgow Coma Scale is not enough, Acta Anaesthesiologica Scandanavica,  54(6), 696-702 [7] Kushner D, Johnson-Greene D. 2014, Changes in cognition and continence as predictors of rehabilitation outcomes in individuals with severe traumatic brain injury, Journal of Rehabilitation Research Development, 57(7), 1057-1068 [8] Murray G, Teasdale G, Braakman R et al. 1999, The European Brain Injury Consortium survey of head injuries, Acta neurochirurgica, 141(3), 223-236 [9] Rowley G, Fielding K. 1991, Reliability and accuracy of the Glasgow Coma Scale with experienced and inexperienced users, Lancet, 337(8740), 535-538 [10] McLernon S. 2014, The Glasgow Coma Scale 40 years on: A review of its practical use, British Journal od Neuroscience Nursing, 10(4), 179-184 [11]  Lingsma H, Roozenbeek B, Steyerberg E, Murray G, Maas A. 2010, Early prognosis in traumatic brain injury: from prophecies to predictions, Lancet Neurology 9(5), 543-554 [12] Singh B, Murad H, Prokop L, Erwin P, Wang Z, Parsaik A, et al. 2013, Meta-analysis of Glasgow Coma Score and Simplified Motor Score in predicting traumatic brain injury outcomes, Brain Injury, 27(3), 293-300 [13] Thornhill S, Teasdale G, Murray G, McEwan J, Roy C, Penny K. 2000, Disability in young people and adults one year after head injury: prospective cohort study, British Medical Journal 320(7250), 1631-1635 [14] Maas A, Stocchetti N, Bullock R. 2008, Moderate and severe traumatic brain injury in adults, the Lancet Neurology, 7(8), 728-741 [15]  Udekwu P, Kromhout-Schiro S, Vaslef S, Baker C, Oller D. 2004, Glasgow coma scales score, mortality, and functional outcome in head-injured patients, Journal of Trauma and Acute Care Surgey, 56(5), 1084-1089 [16] Woischneck D, Firsching R, Schmitz B, Kapapa T. 2013, The prognostic reliability of the Glasgow Coma Scale in traumatic brain injuries: evaluation of MRI data, European Journal of Trauma and Emergency Surgery, 39(1), 79-86 [17] Utomo W, Gabbe B, Simpson P, Cameron P. 2009, Predictors of in-hospital mortality and 6-moth functional outcomes in older adults after moderate to severe brain injury, Injury, 40(9), 973-977 [18]  Husson E, Ribbers G, Willemse-van Son A, Stam H. 2010, Prognosis of six-month functioning after moderate to severe traumatic brain injury: A systematic review of prospective cohort studies, Journal of Rehabilitation Medicine, 42(1), 425-436 [19]  Brooks D, Hosie J, Bond M, Jennett B, Aughton M. 1986, Cognitive sequelae of severe head injury I relation to the Glasgow Outcome Scale, Journal of Neurological and Neurosurgical Psychiatry, 49(5), 549-553 [20] Jourdan c, Bosserelle V, Azerad S, Ghout I, Bayen E, Aegerter P, Weiss J, Mateo J, Lescot T, Vigue B, Razarourte K, Pradat-Diehl P, Azouvi P. 2013, Predictive factors for 1-year outcome of a cohort of patients with severe traumatic brain injury: results from PariS-TBI study, Brain Injury, 27(9), 1000-1007 [21] Wilson J, Pettigrew L, Teasdale G. 1998, Structured interviews for the Glasgow Outcome Scale and the extended Glasgow Outcome Scale: Guidelines for their use, Journal of Neuro-trauma, 15(8), 573-587 [22] Nalt J. 2001, Prediction of outcome in mild to moderate head injury: A review, Journal of Clinical and Experimental Neuropsychology, 23(6), 837-851 [23] : Nichol A, Higgins A, Gabbe B, Murray L, Cooper D, Cameron P. 2011, Measuring functional and quality of life outcomes following major head injury: Coma scales and checklists, Injury, 42(3), 281-287 [24] Oh H, Seo W. 2013, Development of a decision tree analysis model that predicts recovery from acute brain injury , Japan Journal of Nursing Science, 10(1), 89-97

Emily Dickinson Outline Essay

I. Emily Dickinson was an introvert who wrote poems about life, love and death. Dickinson showed her feelings of death and Desire using unusual scenario’s that cause the reader to stretch their thinking and go beyond superficial thought. Emily Dickinson uses imagery, Form, and settings in her poems in â€Å"I Heard a Fly Buzz when I Died† to set the tone of the poem. II. Dickinson uses imagery in â€Å"I Heard a Fly Buzz when I Died† to set the tone for this poem. A. Dickinson works hard and fast to give us a sense of what the atmosphere is like in this room. She wants to build up a sense of how quiet, calm, and stifling it is around this deathbed. Maybe everyone has experienced a death, so she compares the situation to another one that everyone might be more familiar with. B. We don’t actually get to see who else is in the room with the dying speaker, but she does help us out by telling us that there are â€Å"Eyes around.† This helps us to fill in the blanks of the scene. At first we just had a dying person and a fly, but now we can start to imagine the room where this is taking place, complete with crying onlookers. C. When it comes to this image of â€Å"the King.† She is referring to death itself, which runs the show. This could have a more specifically religious meaning. Such as reference to God or Jesus Dickinson’s lyric poem uses form, meter, and scheme to convey its tone, A. Trimeter and tetrameter iambic lines, four stresses in the first and third lines of each stanza, three in the second and fourth lines. A rhythmic insertion of the long dash to interrupt the meter; and an ABCB rhyme scheme. B. All the rhymes before the final stanza are half-rhymes (Room/Storm, firm/Room, be/Fly), while only the rhyme in the final stanza is a full rhyme (me/see). Dickinson uses this technique to build tension; a sense of true completion comes only with the speaker’s death. C. A lyric poem is a short, song like poem that expresses someone’s thoughts or feelings which by the end of the poem where death is quickly approaching you feel the tone is the poem. It was evident that the person dying had plenty of other things to think about but the buzz from the fly seem to distract them, all the way up to the point that the speaker could not see to see.

Sexuality Relationships Sexuality And Relationships

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United States Vs Cologo - 803 Words

Juan Segura Prof. Sara Parrot INTD: Going Global 11/12/17 Political parties in the United States Vs. Colombia Democratic Party: The Democratic Party is considered a liberal party, has also been described by academics, politicians and even the American general public as progressive and center-left. However, the reality is that it is a party with an ideological divergence with different ideological sectors as the conservative center-right, through the center, classical liberalism, social liberalism, social democracy, trade union, labor, progressive and left sectors. These sectors can be dominant according to the historical moment, for example, conservative Democrats, almost all Southerners. Currently, the American population associates†¦show more content†¦The foreign policy is aggressive and gives emphasis to the protection of economic interests - politicians in foreign countries. They oppose many environmental laws since according to them, they cut back economic activity that means lost jobs. Much emphasis on the expense of the military and defense sector. Several of its representatives declare thems elves as conservative Christians. Representative: Abraham Lincoln: Lawyer and American politician who was the sixteenth president of the United States (1861-1865). Always evoked as the president who abolished slavery, Abraham Lincoln is one of the most admired figures in American history; the honesty, the strength of spirit and the depth of his thought and his convictions, the patent in his writings and speeches, the outstanding among the virtues of a statesman and the performance was not without hesitation. Unfortunately, when Lincoln assumed that the presidency was reaching its culmination a national crisis of the beginning of the century: the confrontation between the dynamics and modern industrial societies of the Northern States, which rejected slavery, and the aristocracy of the southern landowners, owner of immense plantations that employed a million slaves, and saw in the suppression of slavery the end of their way of life. Colombian conservative party: The Colombian Conservative Party is a traditional political party of Colombia. Currently the Conservative Party is one of the largest