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Complicated grief following a significant loss : trauma symptomatology, search for meaning, self-reference, and death anxiety /Tolstikova, Katerina. January 2003 (has links)
Thesis (M.A.)--York University, 2003. Graduate Programme in Psychology. / Typescript. Includes bibliographical references (leaves 93-101). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pMQ86319
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Traumatic brain injuries and whiplash injuries : epidemiology and long-term consequencesStyrke, Johan January 2012 (has links)
Background The incidence of traumatic brain injuries (TBI) is about 500 cases per 100,000 inhabitants per year, a majority of which are mild TBI (MTBI). The incidence of whiplash injuries is about 300/100,000/year. There are several similarities between MTBI and whiplash injuries with regard to the causes of injury (traffic crashes and falls), the demographic profile of the injured (mostly young persons), and the type of symptoms exhibited by some of the injured (for example head/neck pain, fatigue, irritability, impaired cognitive functioning, and depression). Main aim To investigate the epidemiology and long-term consequences in terms of symptoms, disability, and life satisfaction in cases of TBI and whiplash injuries in a well-defined population. Material and methods Data on frequencies and characteristics of TBI and whiplash injuries were extracted from the injury database at the emergency department (ED) of Umeå University Hospital (UUH). The results were presented as descriptive epidemiology. The 18-65 year-old persons who sustained an MTBI or whiplash injury in 2001, were provided a questionnaire three and five years after injury respectively, in which questions were asked about: Symptoms; Rivermead Post Concussion Symptoms Questionnaire (RPQ) Disability; Rivermead Head Injury Follow Up Questionnaire (RHFUQ) Life satisfaction; LiSat-11 A local reference population was used for comparison of the RPQ. A national cohort was used as reference for LiSat-11. Data on sick leave for the cases of whiplash injuries were analysed to calculate the cost to society for loss of productivity. Results In 2001, the incidence of TBI was 354/100,000/year. The mean age was 23 and 55% were men. Ninety-seven percent of the injuries were classified as mild (Glasgow coma scale 13-15). The main causes were falls (55%) and traffic related injury events (30%). In 8% of the cases (17% of the elderly persons) an intracranial bleeding was detected by using CT. The 3-year follow-up of the MTBI patients showed that women had more symptoms and disability (~50%) than men (~30%). Both women and men had more symptoms and lower life satisfaction compared with the reference population. The incidence of traffic-related whiplash injuries in adults was 235/100,000/year and the annual incidences were relatively stable during 2000-2009. Combining the incidences with national insurance data showed that the proportion of insurance claims decreased during the period. When looking at whiplash trauma following all causes of injury in 2001, traffic crashes caused 61% of the injuries and falls caused 14%. Neck fractures occurred in 3% of the cases. Five years after whiplash injury, the injured persons had more symptoms and lower life satisfaction than the references. Sick leave ≥15 days was granted in 14% of the cases of whiplash injuries. The median number of sick days was 298 and the cost of loss of productivity during the follow-up was 5.6 million USD. The frequencies of symptoms were relatively alike when comparing subjects with whiplash injuries to subjects with MTBI. Conclusion TBI and whiplash injuries are common, especially among young people, and the injuries render long-term symptoms, disability, and impaired life satisfaction in up to 50% of the cases. Symptoms exhibited are alike between the two types of injuries. The cost to society for loss of productivity is high, and there is a need for enhanced preventive measures aiming at reducing traffic-related injuries, sports injuries, alcohol-related injuries, and falls. Physical, mental, and social factors are important and should be addressed when examining and treating patients with persisting symptoms following TBI and whiplash injuries. / Bakgrund Skallskador utgör ett stort folkhälsoproblem, särskilt eftersom många som skadas är unga. Skallskador är också, parallellt med självmord, den vanligaste dödsorsaken hos ungdomar och unga vuxna. De flesta av skadorna klassas som ”lätta” i akutskedet men trots det så kommer en del av patienterna att drabbas av kvarstående besvär, t ex smärta, koncentrationssvårigheter, depression och nedsatt livstillfredsställelse. Whiplashskador är nästan lika vanligt förekommande som skallskador och uppkommer framförallt i trafikolyckor. Även fall- och sportskador orsakar emellertid ett betydande antal whiplashskador. I normalfallet avtar de akuta symptomen inom några veckor men en del av patienterna anger att de får kvarstående besvär. Ett flertal skademekanismer i nackens vävnader är kända men tyvärr svåra att verifiera eller utesluta. Huvudsyfte Att undersöka förekomsten av skallskador och whiplashskador i en väldefinierad population samt beskriva restsymptom, funktions-nedsättningar och livstillfredsställelse hos de drabbade tre till fem år efter skadan. Material och metod Förekomsten av skadorna (Studie I, III och IV) Studierna baseras på skadedatabasen vid Norrlands Universitetssjukhus i Umeå (NUS). I skadedatabasen registreras alla patienter som söker till akutmottagningen efter en skadehändelse, ca 10 000 fall per år. När patienterna anmäler sig i receptionen tilldelas de en skadejournal som de själva fyller i i väntan på att bli undersökta. När patienter inkommer med svårare skador får anhöriga i möjligaste mån fylla i journalen. Primärvårdens jour har under åren för studiens genomförande varit belägen på akutmottagningen under kvällar, nätter och helger vilket inneburit att de få skadefall som konsekvent missats har varit lättare skador som behandlats dagtid på vårdcentralerna i upptagningsområdet. Långtidsuppföljning (Studie II, III och V) En uppföljande enkätundersökning bestående av ett antal validerade frågeformulär skickades till alla skall- och whiplashskadade patienter i arbetsför ålder tre respektive fem år efter skadehändelsen. De frågeformulär som analyserades var: För symptom: Rivermead Post Concussion Symptoms Questionnaire (RPQ) För funktionsnedsättning: Rivermead Head Injury Follow Up Questionnaire (RHFUQ) För livstillfredsställelse: Life Satisfaction-11 (LiSat-11) För smärta (hos de whiplashskadade): Visual Analogue Scale (VAS) Resultaten från RPQ och LiSat-11 jämfördes med sedan tidigare tillgängligt material från åldersmatchade referenspopulationer. När det gäller de whiplashskadade genomfördes en femårsuppföljning avseende sjukskrivning. Data från Försäkringskassan analyserades och samhällskostnaden för produktionsbortfall beräknades baserat på den genomsnittliga kostnaden för en årsarbetare. Resultat Förekomsten av skallskador vid NUS under 2001 var 354 skadade per 100 000 invånare. Medelåldern på de skadade var 23 år och 55% var män. Andelen lätta skallskador var 97%. Fallolyckor orsakade flest skador (55%) och trafikolyckor var näst vanligast (30%). Minst 17% av patienterna (ofta medelålders personer) var alkoholpåverkade. Hos 8% av patienterna (17% av personer över 65 år) upptäcktes blödningar i hjärnan. I uppföljningen efter tre år noterades att de skallskadade patienterna i arbetsför ålder hade högre symptomfrekvens och lägre livstillfredsställelse än referenspopulationerna. Kvinnorna rapporterade högre förekomst av symptom och funktionsnedsättning än männen. Funktionsnedsättning av varierande grad samt så kallat postkommotionellt syndrom (med förekomst av minst tre specificerade symptom) fanns hos ca 50% av kvinnorna och hos ca 30% av männen. Medelförekomsten av whiplashskador till följd av trafikolyckor var under 2000-2009 235 fall per 100 000 invånare och år. Sammantaget var förekomsten relativt stabil under perioden; en ökning med 1% per år noterades. När siffrorna matchades mot data från Försäkringsförbundet noterades en minskning av andelen försäkringsärenden under perioden. 2001 års incidens av akuta whiplashskador efter alla typer av skadehändelser var 383 skadade per 100 000 invånare. Könsfördelningen var 56% män / 44% kvinnor och medelåldern var 32 år. Trafikolyckor orsakade 61% av whiplashskadorna medan fallolyckor stod för 14%. Frakturer i nacken var ovanliga och hittades hos 3% av patienterna. I femårsuppföljningen av whiplashpatienter i arbetsför ålder noterades att de hade högre frekvens (ca 50%) av symptom samt lägre livstillfredsställelse än referenspopulationerna. Funktionsnedsättning av varierande grad fanns hos ca 50% av patienterna. Kvinnorna skattade sin smärta högre än männen men i övrigt fanns ingen könsskillnad beträffande förekomsten av symptom, funktionsnedsättning och livstillfredsställelse. Vid jämförelse mellan whiplashskadade och skallskadade noterades att förekomsten av symptom med några få undantag inte skilde sig åt mellan grupperna. Fjorton procent av de whiplashskadade blev sjukskrivna i mer än 14 dagar. Sjukskrivningens medianlängd var 298 dagar och i 3% av fallen fortskred sjukskrivningen under hela 5-årsperioden. Trafikskadade sjukskrevs oftare än fallskadade och noterbart är också att nackfrakturer ej resulterade i längre sjukskrivningar än mjukdelsskador. Samhällskostnaden för produktionsbortfall var i snitt ca 600 000 kr per sjukskrivning. Konklusion Avhandlingen bidrar med nya grunddata som ytterligare förstärker bilden av att skallskador och whiplashskador är vanliga och att det framförallt är unga personer som drabbas. Grad och typ av kvarstående besvär är likartade efter båda skadetyper. Samhällskostnaden för skadorna är hög och lämpliga områden för skadepreventivt arbete tycks vara fallskadeprevention, trafikskadeprevention, skadeprevention inom hästsport, fotboll och ishockey samt prevention av alkoholrelaterade skador. Både fysiska, psykologiska och sociala faktorer inverkar på läkningsförloppet och symptombilden efter skadorna och det är viktigt att utvärdera och behandla patienterna med utgångspunkt från detta.
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A phenomenological exploration of client experiences of trauma debriefing by Lay Counsellors.Chandler, Fiona Mary. January 2008 (has links)
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<p align="left">Limitations of the study include the issue of counsellor variables and the fact that the participants varied between receiving a debriefing on a group or individual basis. The experience of the trauma debriefings were explored but more specific information relating to debriefing could have been elicited. Therefore, these findings cannot be generalised and further research could<font face="Times New Roman"> explore the utility and efficacy of trauma debriefing.</font></p>
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Intracranial Compliance and Secondary Brain Damage. Experimental and Clinical Studies in Traumatic Head InjurySalci, Konstantin January 2006 (has links)
Traumatic brain injury (TBI) renders the brain more vulnerable to secondary insults. The increased vulnerability can probably be explained by a combination of disturbances in hemodynamics, metabolism and craniospinal dynamics. Reduced ability to compensate for added intracranial volume, i.e. reduced intracranial compliance (IC), is one possible mechanism. The aim of this thesis was to study the role of IC on the effect of secondary insults after TBI. A rat TBI model was developed where IC could be altered without causing pathological increases in intracranial pressure (ICP). Reduction of IC was made by placing rubber film between the dura mater and bilateral bone flaps. A reduction of IC in terms of reduced Pressure Volume Index was confirmed. Microdialysis (MD) of extracellular fluid was used to monitor neurochemical changes. Reduced IC after TBI proved to increase the vulnerability of the brain to secondary intracranial volume insults according to neurochemical microdialysis markers. Reduced IC or intracranial volume insults alone did not cause any metabolic changes as compared to controls. Moderate posttraumatic hypotension (50mmHg for 30 min) induced 2 hrs after TBI, did not aggravate posttraumatic extracellular neurochemical changes significantly, irrespective of the level of IC. Although controversial, a mild to moderate hypotensive insult after initial posttraumatic stabilization may not be as detrimental as earlier believed. The Spiegelberg Compliance Monitor and MD were simultaneously used in 10 TBI patients to get an impression of the clinical value of IC monitoring and the relationship between IC, temperature and MD Lactate/Pyruvate ratio. IC and MD could be monitored simultaneously in TBI patients. Higher L/P ratios were seen when IC was low. Patients with induced coma treatment had significantly higher average L/P ratios, possibly due to their poorer neurological condition. An indication was also found that in TBI patients with high temperatures, L/P ratio rose as IC decreased, but in patients with low temperature there was no effect of IC on L/P ratio. These data suggest the importance of avoiding hyperthermia in TBI patients, especially in patients with low or decreased IC (monitored or anticipated).
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Polisprovocerande suicidbeteende : Förekomst, karakteristika och polisers upplevelser av suicide by cop i SverigeLiedholm, Andreas January 2010 (has links)
Situationer där polisen skjuter kan uppstå till följd av att gärningsmän uppvisar provokativa suicidbeteenden. Detta fenomen är känt som suicide by cop (SbC) och har visat sig utgöra en betydande andel av undersökta skjuthändelser i Nordamerika. Studien syftar till att ge en deskriptiv bild av SbC i Sverige utifrån förekomst och karakteristika gällande situationer och gärningsmän, samt att beskriva hur dessa händelser kan upplevas och hanteras av poliser. Skjuthändelser som inträffat under tidsperioden 2005-2009 granskades och intervjuer genomfördes med tio poliser som upplevt SbC-händelser. Resultatet visade att SbC svarade för 26 % av skjuthändelserna. Intervjuade poliser upplevde ofta gärningsmännen som både aggressiva och suicidala och en osäkerhet över vem som egentligen haft kontroll över situationen var att betrakta som en central problematik. Vidare beskrevs akuta stressreaktioner och posttraumatiska minnen till följd av dessa händelser. Ökad kunskap om psykologin bakom SbC är att betrakta som viktigt för hanteringen av dessa incidenter. / Officer-involved shootings (OIS) sometimes occur as a result of provocative and suicidal behavior among offenders. This phenomenon, known as suicide by cop (SbC), has been shown to represent a significant part of OIS-cases in North American samples. This study aims to provide a descriptive picture of SbC in Sweden based on frequency and characteristics of situations and offenders. It also aims to describe how SbC can be experienced and handled by police officers. OIS-cases that occurred during 2005-2009 were investigated and ten officers were interviewed. Results showed that SbC accounted for 26 % of the OIS-cases. Interviewed officers often perceived perpetrators as both aggressive and suicidal and an uncertainty over who actually had control was considered a key issue. Officers also reported acute stress reactions and posttraumatic memories as a result of SbC. Increased knowledge about the psychology of SbC is considered as an important factor for dealing with SbC-situations.
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Trauma, Posttraumatic Stress and Dissociation Among Swedish Adolescents : Evaluation of QuestionnairesNilsson, Doris January 2007 (has links)
The main aim of this thesis has been to investigate trauma and dissociation among Swedish adolescents and to evaluate the psychometric properties such as reliability and various kinds of validity of three screening instruments for assessment of dissociation and other symptoms of post traumatic stress. The three instruments in question have been Dis-Q-Sweden, A-DES and TSCC, the symptoms measured by these instruments are neither easy to capture nor easy for the adolescent to talk about. Therefore these self report scales are essential. A second aim has been to compare the results with results from other countries and to develop preliminary Swedish norms for the clinician to use. Age and gender differences have been looked upon as well as assessed symptoms connected to known experienced trauma/sexual and/or physical abuse and self-reported trauma in normal and clinical populations. The populations, in this thesis have been children and adolescents age 10 -19 years old from the general population; the clinical groups have had the same age range. All children and adolescents in the clinical groups have been sexually and/or physically abused. Participants have answered the questionnaires Dis-Q-Sweden, A-DES and/or TSCC and their answers have been statistically analysed. All three instruments have been shown to have good reliability, such as internal consistency and test-retest. Validity has been established through factor analyses, concurrent, and criterion related validity. Clinical groups with known experienced trauma/sexual abuse and/or physical abuse gave significantly higher scores on all the instruments compared to normative groups. Also self-reported trauma in a normative group gave significantly higher scores even if the significances are not as high as between the normative and clinical groups. Girls scored significantly higher than boys in both the clinical and normative groups. Girls in the age range 14-15 years old gave the significantly highest scores on both Dis-Q-Sweden and ADES. Swedish adolescents gave lower mean scores on all three instruments than have been reported from other studies in other countries. The scores from the clinical groups gave about the same mean as have been reported elsewhere. The conclusion from this thesis is that all the three questionnaires Dis-Q-Sweden, A-DES and TSCC have shown satisfactory psychometrics properties and can very well be used by Swedish clinicians in Child and Adolescents Psychiatry.
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Molecular Characterization of Experimental Traumatic Brain InjuryIsraelsson, Charlotte January 2006 (has links)
Traumatic brain injury (TBI) is the most common cause of mortality and disability in the younger (<50 years) Swedish population with an incidence rate of 20,000 cases per year. This thesis aims to increase the understanding of brain injury mechanisms, especially in a molecular and cellular context. Bone morphogenetic protein (BMP) signalling was examined in three genetically modified mice (two “loss-of-function”, one “gain-of-function”) exposed to TBI (controlled cortical impact, CCI) with CaMKII used as promoter for Cre-driven recombination in postnatal forebrain neurons. The mice survived, developed normally and did not show any obvious phenotypes except for an upregulation in Mtap2 mRNA in mice with impaired BMP signalling. Reactive Gfap and Timp1 mRNA expression measured using quantitative RT-PCR (qRT-PCR) was reduced in the mice overexpressing BMP signals. The BMP signalling pathway was further studied in cultured PC12 cells with BMP4 and NGF added. Egr3 expression was substantially increased by these growth factors. Blocking Egr or Junb functions reduced neurite outgrowth. TBI-induced mRNA expression changes in 100 selected genes in C57BL/6J mouse neocortex and hippocampus were measured using qRT-PCR at different time points post-injury. Several distinct gene clusters with similar expression patterns were identified. GeneChip analysis (Affymetrix) of the injured mouse neocortex at three days revealed 146 transcripts significantly upregulated, confirming and extending the qRT-PCR results. The findings demonstrate marked increases after injury among chemokine transcripts and activation of many genes involved in inflammation. In conclusion, the present study has revealed transcriptional changes in specific signalling pathways after brain injury. The results may help to identify novel targets for neuroprotective interventions after traumatic brain injury.
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Neural Stem and Progenitor Cells as a Tool for Tissue RegenerationWallenquist, Ulrika January 2009 (has links)
Neural stem and progenitor cells (NSPC) can differentiate to neurons and glial cells. NSPC are easily propagated in vitro and are therefore an attractive tool for tissue regeneration. Traumatic brain injury (TBI) is a common cause for death and disabilities. A fundamental problem following TBI is tissue loss. Animal studies aiming at cell replacement have encountered difficulties in achieving sufficient graft survival and differentiation. To improve outcome of grafted cells after experimental TBI (controlled cortical impact, CCI) in mice, we compared two transplantation settings. NSPC were transplanted either directly upon CCI to the injured parenchyma, or one week after injury to the contralateral ventricle. Enhanced survival of transplanted cells and differentiation were seen when cells were deposited in the ventricle. To further enhance cell survival, efforts were made to reduce the inflammatory response to TBI by administration of ibuprofen to mice that had been subjected to CCI. Inflammation was reduced, as monitored by a decrease in inflammatory markers. Cell survival as well as differentiation to early neuroblasts seemed to be improved. To device a 3D system for future transplantation studies, NSPC from different ages were cultured in a hydrogel consisting of hyaluronan and collagen. Cells survived and proliferated in this culturing condition and the greatest neuronal differentiating ability was seen in cells from the newborn mouse brain. NSPC were also used in a model of peripheral nervous system injury, and xeno-transplanted to rats where the dorsal root ganglion had been removed. Cells survived and differentiated to neurons and glia, furthermore demonstrating their usefulness as a tool for tissue regeneration.
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Energy Balance out of Balance after Severe Traumatic Brain InjuryKrakau, Karolina January 2010 (has links)
The overall aim of the research presented here was to expand the knowledge on metabolic course and nutritional outcome in patients with severe traumatic brain injury and to analyze the use and accuracy of different methods of assessment. Study I, a systematic review of 30 articles demonstrated consistent data on increased metabolic rate, of catabolism and of upper gastrointestinal intolerance in the majority of the patients during early post injury period. Data also indicated a tendency of less morbidity and mortality in early fed patients. Study II, a retrospective survey, based on medical records of 64 patients from three regions in Sweden, showed that the majority of patients regained their independence in eating within six months post injury. However, energy intake was set at a low level and 68 % of the patients developed malnutrition with 10 to 29 % loss of initial body mass during the first and second month post injury. Study III, a questionnaire based study addressed to 74 care units caring for patients with severe traumatic brain injury showed that resources in terms of qualified staff members were reportedly good, but nutritional guidelines were adopted in less than half of the units, screening for malnutrition at admission was rarely performed and surveillance of energy intake declined when oral intake began. Moreover, assessment of energy requirements relied on calculations and the profession in charge to estimate energy requirement varied depending on nutritional route and unit speciality. At transferral between units nutritional information was lost. Study IV and V, a prospective descriptive study on metabolic course, energy balance and methods of assessment in six patients showed that patients were in negative energy balance from 3rd week post injury and lost 8-19 % of their initial body weight. Concurrent nutritional problems were difficulties in retaining enteral and/or parenteral nutrition delivery routes until oral feeding was considered satisfactory. The majority of methods for predicting energy expenditure agreed poorly with measured energy expenditure. The Penn-State equation from 1998 was the only valid predictive method during mechanical ventilation. This thesis concludes that patients with moderate or severe traumatic brain injury exhibit a wide range of increased metabolic rate, catabolism and upper gastrointestinal intolerance during the early post-injury period. Most patients regain independence in eating, but develop malnutrition. Suggested explanations, other than the systemic disturbances early post injury, could be the use of inaccurate predictions of energy expenditure, deficient nutritional routines and difficulties in securing alternative nutritional routes until oral feeding is satisfactory. The impact of timing, content and ways of administration of nutritional support on neurological outcome after a severe traumatic brain injury remains to be demonstrated.
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Acute neuro-endocrine profile and prediction of outcome after severe brain injuryOlivecrona, Zandra, Dahlqvist, Per, Koskinen, Lars-Owe January 2013 (has links)
Object: The aim of the study was to evaluate the early changes in pituitary hormone levels after severe traumatic brain injury (sTBI) and compare hormone levels to basic neuro-intensive care data, a systematic scoring of the CT-findings and to evaluate whether hormone changes are related to outcome. Methods: Prospective study, including consecutive patients, 15-70 years, with sTBI, Glasgow Coma Scale (GCS) score <= 8, initial cerebral perfusion pressure > 10 mm Hg, and arrival to our level one trauma university hospital within 24 hours after head trauma (n = 48). Serum samples were collected in the morning (08-10 am) day 1 and day 4 after sTBI for analysis of cortisol, growth hormone (GH), prolactin, insulin-like growth factor 1 (IGF-1), thyroid-stimulating hormone (TSH), free triiodothyronine (fT3), free thyroxine (fT4), follicular stimulating hormone (FSH), luteinizing hormone (LH), testosterone and sex hormone-binding globulin (SHBG) (men). Serum for cortisol and GH was also obtained in the evening (17-19 pm) at day 1 and day 4. The first CT of the brain was classified according to Marshall. Independent staff evaluated outcome at 3 months using GOS-E. Results: Profound changes were found for most pituitary-dependent hormones in the acute phase after sTBI, i.e. low levels of thyroid hormones, strong suppression of the pituitary-gonadal axis and increased levels of prolactin. The main findings of this study were: 1) A large proportion (54% day 1 and 70% day 4) of the patients showed morning s-cortisol levels below the proposed cut-off levels for critical illness related corticosteroid insufficiency (CIRCI), i.e. < 276 nmol/L (= 10 ug/dL), 2) Low s-cortisol was not associated with higher mortality or worse outcome at 3 months, 3) There was a significant association between early (day 1) and strong suppression of the pituitary-gonadal axis and improved survival and favorable functional outcome 3 months after sTBI, 4) Significantly lower levels of fT3 and TSH at day 4 in patients with a poor outcome at 3 months. 5) A higher Marshall CT score was associated with higher day 1 LH/FSH-and lower day 4 TSH levels 6) In general no significant correlation between GCS, ICP or CPP and hormone levels were detected. Only ICPmax and LH day 1 in men was significantly correlated. Conclusion: Profound dynamic changes in hormone levels are found in the acute phase of sTBI. This is consistent with previous findings in different groups of critically ill patients, most of which are likely to be attributed to physiological adaptation to acute illness. Low cortisol levels were a common finding, and not associated with unfavorable outcome. A retained ability to a dynamic hormonal response, i.e. fast and strong suppression of the pituitary-gonadal axis (day 1) and ability to restore activity in the pituitary-thyroid axis (day 4) was associated with less severe injury according to CT-findings and favorable outcome.
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