Biomedical subjects
Mads Gilbert
Publications and source records attributed to Mads Gilbert.
[Myths and possibilities of relief work].
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[Warm hearts--cold heads].
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[Urgent calls--prehospital response time in Vestfold and Troms in 2001].
BACKGROUND: Targeted emergency medical responses with minimum time loss require a well organized emergency medical system (EMS). We studied time consumption from emergency call reception to the arrival of the ambulance unit in two dispatch centres serving two demographically different Norwegian regions. MATERIAL AND METHODS: We analysed 5004 emergency "code red" calls during 2001 processed by an EMS serving 367 000 inhabitants in 28 mixed urban/rural municipalities in Vestfold and Troms counties. Dispatch centre process time, ambulance (ground, air or boat) response time and total access times were measured. RESULTS: Total pre-hospital access time from call reception to arrival of ambulance to patient were considerably longer than the suggested national goals, which were only met in two rural areas out of the 28 municipalities studied. Median pre-hospital response time was 10 minutes in both regions. Within 12 minutes from the emergency call, 62.9% of the population in Vestfold and 59.8% in Troms were reached by ambulance. INTERPRETATION: National standards for pre-hospital response times in medical emergencies are neither met in densely populated cities, nor in less populated rural areas.
Prehospital tourniquets: there should be no controversy.
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[Sharp condemnation, not a cold professional assessment!].
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Training pre-hospital trauma care in low-income countries: the 'Village University' experience.
A prospective study was carried out of the health effects and sustainability of a low-cost trauma training program for non-graduate village healthcare workers. From 1996 to 1999, a core group of 44 health workers from mine-infested rural communities in Cambodia and Northern Iraq were trained and equipped to deliver low-cost life support to trauma victims. They in turn trained a network of 2800 layman village first responders. Training was done in makeshift camps at village level ('Village Universities'). A total of 813 patients were managed by the rural rescue system from 1997 to 1999. The mortality rate for trauma victims decreased from 22.6% in 1997 to 13.7% in 1999 (95% CI for difference 1.8% to 16.0%). Management by village first responders had a significant impact on in-field response times and trauma mortality. The rescue system replicated itself during the study period as an indicator of sustainability. The study showed that after trauma care training at rural makeshift training centers, non-graduate health workers can build efficient and sustainable rural rescue systems.
Pre- and inter-hospital transport of severely head-injured patients in rural Northern Norway.
The purpose of this study was to survey the time consumed during the pre- and inter-hospital transport of severely head injured patients in Northern Norway. All patients (n = 85) operated for an intracranial mass lesions within 48 h after injury during the 10-year period 1986-1995 were included in this retrospective analysis. Ambulance records, transfer notes, and hospital records were reviewed. The transport of patients was classified as either direct from the trauma scene to the University Hospital (direct admission group) or as an inter-hospital transfer (transfer group). Forty-seven (55%) patients were in the direct admission group, and 38 (45%) were transferred through another hospital. The majority of patients (81%) were transported by air ambulance. Median time from injury to arrival in the emergency room was 5 (1-44) h. Time necessary for transport was significantly (p < 0.001) shorter in the direct admission group (median 3 h) compared to the transfer group (median 8 h). The inter-hospital transfer time was < or = 3 h in 17%. Clearly, the advanced air ambulance service in Northern Norway makes rapid inter-hospital transfer possible despite extremely long geographical distances. Our findings indicate that this possibility is not always utilized.
Respiratory rate as a prehospital triage tool in rural trauma.
BACKGROUND: Where trauma systems do not exist, such as in low-income countries, the aim of prehospital triage is identification of trauma victims with high priority for forward resuscitation. The present pilot study explored the accuracy of simple prehospital triage tools in the hands of nongraduate trauma care providers in the minefields of North Iraq and Cambodia. METHODS: Prehospital prediction of trauma death and major trauma victims (Injury Severity Score > 15) was studied in 737 adult patients with penetrating injuries and long evacuation times (mean, 6.1 hours). RESULTS: Both the respiratory rate and the full Physiologic Severity Score predicted trauma death with high accuracy (area under the curve for receiver-operating characteristic plots at 0.9) and significantly better than other physiologic indicators. The accuracy in major trauma victim identification was moderate for all physiologic indicators (area under the receiver-operating characteristic curve, 0.7-0.8). CONCLUSION: Respiratory rate > 25 breaths/min may be a useful triage tool for nongraduate trauma care providers where the scene is chaotic and evacuations long. Further studies on larger cohorts are necessary to validate the results.
Rural prehospital trauma systems improve trauma outcome in low-income countries: a prospective study from North Iraq and Cambodia.
BACKGROUND: A five-year prospective study was conducted in North Iraq and Cambodia to test a model for rural prehospital trauma systems in low-income countries. RESULTS: From 1997 to 2001, 135 local paramedics and 5,200 lay First Responders were trained to provide in-field trauma care. The study population comprised 1,061 trauma victims with mean evacuation time 5.7 hours. The trauma mortality rate was reduced from pre-intervention level at 40% to 14.9% over the study period (95% CI for difference 17.2-33.0%). There was a reduction in trauma deaths from 23.9% in 1997 to 8.8% in 2001 (95% CI for difference 7.8-22.4%), and a corresponding significant improvement of treatment effect by year. The rate of infectious complications remained at 21.5 percent throughout the study period. CONCLUSION: Low-cost rural trauma systems have a significant impact on trauma mortality in low-income countries.
Land mine injuries: a study of 708 victims in North Iraq and Cambodia.
OBJECTIVE: The aim of this study was to explore the effect of low-cost prehospital trauma systems on trauma outcome in land mine victims and to study prehospital risk indicators for better triage of land mine injuries. METHODS: A 5-year prospective study of the effect of in-field advanced life support provided by local paramedics was conducted in mine-infested areas in North Iraq and Cambodia. RESULTS: After implementation of a rural rescue system, there was a significant reduction in trauma mortality from 26.2% in 1997 to 11.8% in 2001 (95% confidence interval for difference, 5.1%-23.6%). The mortality rate was significantly higher in fragmentation mine victims, 25.2%, as compared with blast mine victims, 5.7% (95% confidence interval for difference, 14.4%-24.6%). The severity of associated fragment injuries in patients with traumatic amputations is a solid risk predictor (area under the curve in receiver operating characteristics plots > 0.9). CONCLUSIONS: Low-cost prehospital trauma systems improve trauma outcome in land mine victims where prehospital transit times are high. The fragment wounds represent the main challenge for trauma care providers.
[Protect health personnel in war zones!].
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Chronic pain in land mine accident survivors in Cambodia and Kurdistan.
The aims of the study were to study chronic pain in land mine accident survivors, and to study the impact of trauma and trauma care parameters on chronic pain. The level of chronic pain was registered (patient-rated and by clinical examination) in 57 severely injured adult land mine accident survivors in Cambodia and Northern Iraq more than one year after the accident. As all study patients had been managed by a standardized trauma system, we could assess the impact of injury severity and primary trauma care on chronic pain. 64% of the study patients (n=36) had chronic pain syndromes (non-significant difference between the two countries). 68% of the amputees (19 out of 28) had phantom limb pain. Pre-injury trauma exposure, the severity of the actual trauma, and the quality of trauma care had no impact on end point chronic pain. In 85% of cases (n=48), the economic standing of the patients' family had deteriorated after the accident. Patient-rated loss of income correlated with the rate of chronic pain syndromes.
Preventing post-injury hypothermia during prolonged prehospital evacuation.
INTRODUCTION: Post-injury hypothermia is a risk predictor in trauma patients whose physiology is deranged. The aim of the present study was to examine the effect of simple, in-field, hypothermia prevention to victims of penetrating trauma during long prehospital evacuations. METHODS: A total of 170 consecutively injured landmine victims were included in a prospective, clinical study in Northern Iraq and Cambodia. Thirty patients were provided with systematic prehospital hypothermia prevention, and for 140 patients, no preventive measures were provided. RESULTS: The mean value for the time from injury to hospital admission was 6.6 hours (range: 0.2-72). The incidence of hypothermia (oral temperature < 36 degrees C) before prevention/rewarming was 21% (95% confidence interval: 15% to 28%). The Prevention Group had a statistically significant lower rate of hypothermia on hospital admission compared to the control group (95% confidence interval for difference: 6% to 24%). CONCLUSION: Simple, preventive, in-field measures help to prevent hypothermia during protracted evacuation, and should be part of the trauma care protocol in rural rescue systems.
Challenges of major incident management when excess resources are allocated: experiences from a mass casualty incident after roof collapse of a military command center.
During a military exercise in northern Norway in March 2000, the snow-laden roof of a command center collapsed with 76 persons inside. Twenty-five persons were entrapped and/or buried under snow masses. There were three deaths. Seven patients had serious injuries, three had moderate injuries, and 16 had minor injuries. A military Convalescence Camp that had been set up in a Sports Hall 125 meters from the scene was reorganized as a causality clearing station. Officers from the Convalescence Camp initially organized search and rescue. In all, 417 persons took part in the rescue work with 36 ambulances, 17 helicopters, three ambulance airplanes and one transport plane available. Two ambulances, five helicopters and one transport aircraft were used. Four patients were evacuated to a civilian hospital and six to a field hospital. The stretcher and treatment teams initially could have been more effectively organized. As resources were ample, this was a mass casualty, not a disaster. Firm incident command prevented the influx of excess resources.