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PubMed2006

State of research in high-consequence hospital surge capacity.

High-consequence surge research involves a systems approach that includes elements such as healthcare facilities, out-of-hospital systems, mortuary services, public health, and sheltering. This article focuses on one aspect of this research, hospital surge capacity, and discusses a definition for such capacity, its components, and future considerations. While conceptual definitions of surge capacity exist, evidence-based practical guidelines for hospitals require enhancement. The Health Resources and Services Administration's (HRSA) definition and benchmarks are extrapolated from those of other countries and rely mainly on trauma data. The most significant part of the HRSA target, the need to care for 500 victims stricken with an infectious disease per one million population in 24 hours, was not developed using a biological model. If HRSA's recommendation is applied to a sample metropolitan area such as Orange County, California, this translates to a goal of expanding hospital capacity by 20%-25% in the first 24 hours. Literature supporting this target is largely consensus based or anecdotal. There are no current objective measures defining hospital surge capacity. The literature identifying the components of surge capacity is fairly consistent and lists them as personnel, supplies and equipment, facilities, and a management system. Studies identifying strategies for hospitals to enhance these components and estimates of how long it will take are lacking. One system for augmenting hospital staff, the Emergency System for Advance Registration of Volunteer Health Professionals, is a consensus-derived plan that has never been tested. Future challenges include developing strategies to handle the two different types of high-consequence surge events: 1) a focal, time-limited event (such as an earthquake) where outside resources exist and can be mobilized to assist those in need and 2) a widespread, prolonged event (such as pandemic influenza) where all resources will be in use and rationing or triage is needed.

Benchmarking↗

PubMed2000

The impact of the earthquake in northwestern Turkey on the continuous ambulatory peritoneal dialysis patients who were living in the earthquake zone.

In August 1999, an earthquake of magnitude 7.8 on the Richter scale hit northwestern Turkey. The epicenter was in Izmit, an industrial town about 60 km from Istanbul. This paper presents data about the fate of CAPD patients who were living in that region at the time of the earthquake. A total of 42 continuous ambulatory peritoneal dialysis (CAPD) patients (14 females, 28 males; 37 adult patients, 5 pediatric patients) were permanent residents of the earthquake region. They were followed in the CAPD units of Marmara University Hospital (n = 6), Gata Military Hospital (n = 2), and Goztepe SSK Hospital (n = 10, including the 5 pediatric patients) in Istanbul, and in Uludag University Hospital in Bursa (n = 6) and Kocaeli University Hospital in Izmit (n = 18). Two CAPD patients, together with their families, died under the rubble in the city of Golcuk. One CAPD nurse from Kocaeli University Hospital in Izmit also died a victim of the earthquake. One patient who lived in Golcuk was under the rubble for 3 hours; she was rescued with no crush injuries and was able to continue with CAPD 24 hours after her rescue. Eight patients reported that their homes were completely destroyed during the earthquake, while nine patients reported serious damage to their houses. Ten patients had to move to other towns to live with relatives because their homes were no longer suitable for habitation, and twelve patients had to stay permanently in tents provided by the Red Cross. All of the patients were able to continue their CAPD therapy and had no interruption in the supply of their CAPD solutions. Four patients on continuous cycling peritoneal dialysis (CCPD) therapy continued to use their HomeChoice machines (Baxter Healthcare Corporation, Deerfield, IL, U.S.A.) even while living in a tent. CAPD patients from the Kocaeli University Hospital had to be temporarily referred to other CAPD centers in Istanbul and Bursa because the Kocaeli University Hospital was seriously damaged in the earthquake. We expect that these major changes in quality of life circumstances will have an important impact on the morbidity of these patients, especially in regard to the rate of peritonitis and the adequacy of dialysis.

Adult↗

PubMed1990

[Antibiotics in the treatment of wounds in the victims of the earthquake in the Armenian SSR].

Purulent wounds in 88 victims of the Armenian earthquake with the syndrome of long-term squeezing were examined microbiologically and the experience with using antimicrobial drugs for their treatment was analyzed. In all the cases microbial associations were detected, coliform and nonfermenting gram-negative bacilli, enterococci, anaerobes and yeast-like fungi being isolated from 80, 20, 15 and 25 per cent of the patients respectively. 130 bacterial strains were studied in detail. 80 to 100 per cent of the bacterial isolates were resistant to the antibiotics routinely used in surgical practice, i.e. benzylpenicillin, tetracycline, levomycetin, kanamycin, cephalothin and cefazolin and highly sensitive to new antimicrobial drugs belonging to ureidopenicillins (mezlocillin), quinolones (ciprofloxacin) and cephalosporins of the 3rd generation (cefoperazone and ceftazidime). Retrospective estimation of the antibiotic therapy revealed its inadequacy in 55.7 per cent of the patients for the most part because of the isolates resistance. The 19 variants of the antibiotic use prescribed by the physicians mainly included penicillins, aminoglycosides and their combinations (in 67.2 per cent of the cases). The use of the highly efficient drugs of the groups of ureidopenicillins and quinolones was extremely rare which was likely due to lacking of information on the drugs.

Anti-Bacterial Agents↗

PubMed2002

An overview of morbidity and mortality in patients with acute renal failure due to crush syndrome: the Marmara earthquake experience.

BACKGROUND: On August 17, 1999 a major earthquake hit the most densely populated area at the eastern end of the Marmara Sea in northwestern Turkey. The number of documented cases of acute renal failure (ARF) following this event exceeded all similar cases previously reported for any single earthquake. The aim of this report was to provide an overview of the morbidity and mortality of all documented patients with ARF, due to crush injury, that were treated in hospitals with dialysis units following the Marmara earthquake. METHODS: Special questionnaires were sent out to all hospitals with dialysis units known to have admitted earthquake victims with ARF and related crush injuries. Responses to questionnaires from the Turkish Society of Nephrology (TSN) Task Force were collected from 35 hospitals in October 1999. We retrospectively evaluated patients, clinic and laboratory findings, surgical interventions, and frequency and duration of dialysis. Patients who died before or on admission and those with prior chronic renal disease were excluded from the study. RESULTS: A total of 639 patients (291 female and 348 male) with ARF due to crush injury were hospitalized in 35 hospitals. The mean age was 31.6+/-14.7 years and 71.1% were young adults within the range of 16-45 years. 477 patients (74.6%) received one or more dialysis treatments, 162 patients were not dialysed, 15 patients died before dialysis could be instituted, and 147 patients recovered without dialysis treatment. 340 patients were oliguric on admission. The most important abnormalities related to ARF as a result of crush injury morbidity, were oliguria (53.2%), uraemia (94%), high creatinine levels (87%), hyperkalaemia (42%), hyperphosphataemia (63%), hypocalcaemia (83%), and high creatinine phosphokinase levels (73 %). 512 patients had a total of 790 extremity injuries. Eighty-three patients (12.9%) had fractures of the extremities and non-extremity fractures were observed in 59 (9.2%) patients. 323 fasciotomies were performed. Thoracic and abdominal trauma was observed in 110 patients (17.2%). Infection and sepsis were observed in 223 (34.9%) and 121 (18.9%) patients, respectively. Haematologic abnormalities were observed in 197 patients (33%) including 116 with Htc < or =30%. There were pulmonary problems in 96 patients (15%), cardiovascular problems in 198 patients (30.9%), gastrointestinal problems in 23 (3.16%), neurologic problems in 43 (6.7%), and psychiatric problems in 7 (1%) patients. Ninety-seven of the 639 patients with ARF as a result of crush injury died (15.2%), and mortality rates were 17.2 and 9.3% in dialysed and non-dialysed patients, respectively. Findings significantly associated with mortality were sepsis, thrombocytopenia, disseminated intravascular coagulation (DIC), acute respiratory distress syndrome (ARDS), and abdominal and thoracic traumas. CONCLUSIONS: We conclude that in cases of severe disasters such as major earthquakes, patients should be rapidly transferred to undamaged peripheral general hospitals. When proper dialysis and intensive care facilities together with around the clock dedicated human effort are available, crush injury-related ARF patients have a lower mortality. Mortality, when it occurs, is mainly associated with thoracic and abdominal trauma and medical problems such as DIC and/or ARDS/respiratory failure, often in conjunction with sepsis.

Acute Kidney Injury↗

PubMedDate not supplied

National strategy for mass casualty situations and its effects on the hospital.

A mass-casualty situation (MCS) usually is short in duration and resolves itself. To minimize the risks to patients during MCS, planning is essential. This article summarizes the preparations needed at the hospital level, for a local MCS involving numerous trauma victims arriving to the Emergency Department at a short notice. Experiences and conclusions related to the implementation of the Israeli strategy in one hospital that combines the responsibilities of both the military and civilians are summarized. The Ministry of Health distributes the master MCS plan to each hospital where a local committee adapts it to the specific situation in a format of standing orders. After its approval by the Ministry of Health, an annual inspection is conducted to check the ability of the staff to manage a MCS. A full-scale drill is conducted every second year during which each site's readiness level and the continuity of the flow of care are tested. In building the strategy for treating trauma victims during a MCS, a few assumptions were taken into account. The goal of treatment in a MCS is to deliver an acceptable quality of care while preserving as many lives as is possible. In theory, the capacity of the hospital is its ability to manage a load of patients in the range of 20% of the hospital bed capacity. Planning and drilling are the ways to minimize deviations from the guidelines and to avoid management mistakes. Special attention should be paid to problems related to the initial phase of receiving the first message, outside communication, inside hospital communication, and staff recruitment. Other issues include: free access to the hospital; opening a public information center; and dealing with the media and very important persons (VIPs). A new method for creating the needed MCS plan in the hospital is suggested. It is based upon knowledge of management techniques that used multi-level documents, which are spread via Intranet between the different key figures. Using this method, it is possible to keep the strategy, the source documentation, and reasons for choosing it, as well as immediate release of checklists for each functions. This detailed, time consuming work is worthwhile in the long run, when the benefits of easy updating and better preparedness are apparent.

Disaster Planning↗

PubMedDate not supplied

FAST ultrasound as an adjunct to triage using the START mass casualty triage system: a preliminary descriptive system.

OBJECTIVE: To determine whether the FAST examination might be a useful adjunct to simple triage and rapid treatment (START) in the secondary triage of mass-casualty victims already classified as delayed (Yellow). METHODS: A retrospective chart review was conducted of all adult trauma patients evaluated by the trauma surgery service at a level 1 trauma center between January 1 and December 31, 2003. Patients were retrospectively triaged to one of three START categories: immediate (Red), delayed (Yellow), or expectant (Black). The FAST results were obtained from the medical records. RESULTS: FAST results were available for 359 patients, of which 27 were classified as positive. Twenty (6.9%) of 286 patients retrospectively triaged as delayed (Yellow) had positive FAST studies. Of these, six underwent operative intervention within 24 hours of arrival. A total of 232 patients had both FAST and computed tomography (CT) studies performed, of which 19 FAST studies were inconclusive. In the remaining 213 patients, six of 27 had falsely positive studies, while 24 of 186 had falsely negative studies. CONCLUSIONS: Portable ultrasound technology might have identified 20 delayed (Yellow) patients with evidence of hemoperitoneum, thereby expediting evacuation to definitive care. However, only 30% of these patients subsequently underwent an operative intervention within 24 hours of arrival. Both over- and undertriage were significant problems. As such, the current study does not support the routine use of FAST ultrasound as a secondary triage tool.

Adolescent↗

PubMedDate not supplied

Hazardous substances releases causing fatalities and/or people transported to hospitals: rural/agricultural vs. other areas.

INTRODUCTION: Mass-casualty and hospital preparedness has been analyzed widely. However, information regarding the types of areas where these events occur is limited. Therefore, the characteristics of acute hazardous substances releases resulting in death/multiple-victim events occuring in rural/agricultural areas and in all other areas were studied and compared. METHODS: Data reported to the Hazardous Substances Emergency Events Surveillance (HSEES) system from 16 state health departments during 1993-2000 were used to examine factors associated with events with death/multiple victims involving acute release of hazardous substances. A death/multiple-victim event is defined as any event resulting in a death and/or at least five people being transported to a hospital. RESULTS: Of a total of 43,133 events, 6661 occurred in rural/agricultural areas. Of these, 107 were death/multiple-victim events with 632 victims, of whom 91 died and 77 were hospitalized. All other areas had 472 death/multiple-victim events with 7981 victims, of whom 116 died and 413 were hospitalized. Death/multiple-victim events in rural/agricultural areas were more likely to be associated with transportation (Proportional Ratio (PR) = 4.1, 95% CI = 3.1-5.4) and fires and/or explosions (PR = 1.4, 95% CI = 0.95-2.0) than were death/multiple-victim events in all other areas. Among transportation-related events in rural/agricultural areas, 19 were associated with air transport--mainly crop dusters--and resulted in 18 deaths. Responders were three times more likely to be injured in rural/agricultural areas. Of responders, volunteer firefighters constituted 52% compared with 6.7% in all other areas. The most frequently released chemicals in rural/agricultural areas were ammonia, chlorine, and pesticides. In all other areas, ammonia, chlorine, hydrochloric acid, carbon monoxide, and 0-chlorobenzylidene malononitrile, a tearing agent often associated with an illegal or unauthorized act, were released most frequently. CONCLUSIONS: Findings from this analysis suggest that remedial actions should address safety measures in both transportation and fixed facilities containing acute hazardous substances. These include regular maintenance of equipment, education of workers about the substances used in their facility, rigorous training and licensing of drivers and crop duster operators, and education and training of employees and first responders in the use of protective equipment. These activities may reduce the number of events, casualties, and costs associated with hazardous substance events.

Agriculture↗

PubMedDate not supplied

Using innovative simulation modalities for civilian-based, chemical, biological, radiological, nuclear, and explosive training in the acute management of terrorist victims: A pilot study.

OBJECTIVES: Chemical, biological, radiological, nuclear, and explosive (CBRNE) incidents are low frequency, high impact events that require specialized training outside of usual clinical practice. Educational modalities must recreate these clinical scenarios in order to provide realistic first responder/receiver training. METHODS: High fidelity, mannequin-based (HFMB) simulation and video clinical vignettes were used to create a simulation-based CBRNE course directed at the recognition, triage, and resuscitation of contaminated victims. The course participants, who consisted of first responders and receivers, were evaluated using a 43-question pre- and post-test that employed 12 video clinical vignettes as scenarios for the test questions. The results of the pre-test were analyzed according to the various medical training backgrounds of the participants to identify differences in baseline performance. A Scheffe post-hoc test and an ANOVA were used to determine differences between the medical training backgrounds of the participants. For those participants who completed both the pre-course and post-course test, the results were compared using a paired Student's t-test. RESULTS: A total of 54 first responders/receivers including physicians, nurses, and paramedics completed the course. Pre-course and post-course test results are listed by learner category. For all participants who took the pre-course test (n = 67), the mean value of the test scores was 53.5 +/- 12.7%. For all participants who took the post-course test (n = 54), the mean value of the test scores was 78.3 +/-10.9%. The change in score for those who took both the pre- and post-test (n = 54) achieved statistical significance at all levels of learner. CONCLUSIONS: The results suggest that video clinical vignettes and HFMB simulation are effective methods of CBRNE training and evaluation. Future studies should be conducted to determine the educational and cost-effectiveness of the use of these modalities.

Bioterrorism↗

PubMed2005

Electrophysiologic evaluation of peripheral nerve injuries in children following the Marmara earthquake.

The aim of this study was to investigate the clinical, demographic, and electromyographic (EMG) characteristics of 12 earthquake victims in the pediatric age group and to compare the findings with those of the adult group. Following the 1999 Marmara earthquake, 75 subjects with suspected peripheral nerve injury were referred to our EMG laboratory for evaluation. In the pediatric age group, five patients had a history of short-term temporary trauma and seven had a history of being trapped under the debris for 4 to 10 hours and sustaining long-term trauma. Five patients had developed compartment syndrome and one had developed crush syndrome. The EMG examinations revealed peripheral nerve injury findings in all patients. The brachial plexus was damaged in 2 patients, and 19 peripheral nerves were damaged in 10 patients. Peroneal and posterior tibial nerves were predominantly affected. Regeneration was detected in all of the patients with brachial plexus damage at a mean follow-up of 3.5 months and in 62.5% of patients with peripheral nerve damage at a mean follow-up of 7.7 months. Being buried under the debris, compartment syndrome, peripheral nerve injuries in the lower extremities, and total axonal damage in the first EMG examinations were found to be higher in the pediatric age group. Regeneration findings were found at similar rates in both groups, with the brachial plexus being the most favorable. When it is considered that the regeneration process lasts 15 to 18 months and EMG findings mostly show pathologies in the form of neuropraxia and axonotmesis, we think that the prognosis of our patients will be good.

Adolescent↗

PubMed2003

Epidemiology of terror-related versus non-terror-related traumatic injury in children.

OBJECTIVE: In the past 2 years hundreds of children in Israel have been injured in terrorist attacks. There is a paucity of data on the epidemiology of terror-related trauma in the pediatric population and its effect on the health care system. The objective of this study was to review the accumulated Israeli experience with medical care to young victims of terrorism and to use the knowledge obtained to contribute to the preparedness of medical personnel for future events. METHODS: Data on all patients who were younger than 18 years and were hospitalized from October 1, 2000, to December 31, 2001, for injuries sustained in a terrorist attack were obtained from the Israel National Trauma Registry. The parameters evaluated were patient age and sex, diagnosis, type, mechanism and severity of injury, interhospital transfer, stay in intensive care unit, duration of hospitalization, and need for rehabilitation. Findings were compared with the general pediatric population hospitalized for non-terror-related trauma within the same time period. RESULTS: During the study period, 138 children were hospitalized for a terror-related injury and 8363 for a non-terror-related injury. The study group was significantly older (mean age: 12.3 years [standard deviation: 5.1] v 6.9 years [standard deviation: 5.3]) and sustained proportionately more penetrating injuries (54% [n = 74] vs 9% [n = 725]). Differences were also noted in the proportion of internal injuries to the torso (11% in the patients with terror-related trauma vs 4% in those with non-terror-related injuries), open wounds to the head (13% vs 6%), and critical injuries (Injury Severity Score of 25+; 25% vs 3%). The study group showed greater use of intensive care unit facilities (33% vs 8% in the comparison group), longer median hospitalization time (5 days vs 2 days), and greater need for rehabilitative care (17% vs 1%). CONCLUSIONS: Terror-related injuries are more severe than non-terror-related injuries and increase the demand for acute care in children.

Adolescent↗

PubMed1989

Health needs of older adults displaced to Sudan by war and famine: questioning current targeting practices in health relief.

The high rates of death, disability and illness and the scarcity of resources associated with relief operations for victims of oppression, war and famine have led to some support systems of triage for health and nutritional care in relief. Two vulnerable groups have often been given priority for targeting in health relief--young children and their mothers. This paper reports the findings of a study of the health needs of another vulnerable group, older adults, among those who had been recently displaced to Sudan in 1984-1985 by the war and famine in Tigray region of Ethiopia. The study attempted to determine the extent to which morbidity events and migration affected the life-style of older adults and the socio-economic support mechanisms which were available to them. The findings indicate that older adults (those over 45 years of age) were a very small proportion of the population and that over half of those aged 60 years and over (defined as 'elderly' in this paper) had been left behind in Tigray. This may well indicate that disability, illness or both, forced many older adults, particularly those most in need, to remain in Tigray. Among older adults living in Sudan, high levels of minor disability, social isolation and total economic dependency indicated vulnerability, but older adults had not been specifically considered in health policies and plans. Their primary needs were basic--for cloth, food, shelter, transport, seeds, oxen and farming tools. We conclude that priority in relief should be to support individuals, families and entire communities by adequately providing for basic needs. Furthermore, international relief agencies should give equal consideration to those who remain in their homes and those who migrate for assistance. This approach would take into consideration quality of life, not just the number of lives saved among those who reach the camps and shelters, and would assume responsibility for 'Health for All', not just for selected 'vulnerable groups'.

Aged↗

PubMed2003

Survival analysis of the factors affecting in mortality in injured patients requiring dialysis due to acute renal failure during the Marmara earthquake: survivors vs non-survivors.

BACKGROUND: We reviewed medical records of dialyzed patients admitted to our hospital after the Marmara earthquake and evaluated the factors affecting mortality in survivors and non-survivors according to the survival times. PATIENTS AND METHODS: Crush syndrome (CS) was diagnosed in 110 patients. Dialysis treatment was initiated in 60 patients; 21 of all died. The patients were divided into 2 groups which consisted of 39 survivors (Group A, 25 male, 14 female, mean age: 31 +/- 2.2 years) and 21 non-survivors (Group B, 9 male, 12 female, mean age: 27 +/- 3.0 years). Victims treated by any form of renal replacement therapy, including daily or intermittant hemodialysis and/or continuous venovenous hemodiafiltration. Clinical and laboratory findings were recorded regularly. Statistical analysis was performed with Kaplan-Meier method, log rank test and Cox regression analysis for the survival functions. RESULTS: APACHE II scores were 13.5 +/- 0.5 for Group A and 13 +/- 0.9 for Group B. Dialysis support was started to patients in Group A in a mean period of 2.8 +/- 0.2 days and in Group B in a mean period of 3.7 +/- 0.6 days after the earthquake (p > 0.05). The most frequent site of trauma was lower extremity (61.5%) and upper + lower extremities (23%) in Group A, and lower extremity (38.1%) and trunk + lower extremity (23.8%) in Group B. The frequencies of abdominal trauma, pelvic fracture and thoracic trauma in Group B were 23.8%, 19% and 14.2%, respectively. Multiple trauma was more frequent in Group B than in Group A (42.8% vs 2.5%). The rates of fasciotomy, amputation and surgery were similar in both groups. The frequency of sepsis was higher in non-survivors. In our center, the overall mortality rate was 8%, mortality rate in CS was 21% and in dialyzed patients it was 35%. Mortality was mainly associated with sepsis. Survival periods (52.3 +/- 4.0 days) in Group A were longer than in Group B (17.3 +/- 2.5 days). With Cox regression analysis, the parameters such as systolic hypotension on admission, female gender, high serum peak creatine kinase (> 20,000 U/l) and multiple trauma including thoracic and abdominal regions, were factors increasing risk of mortality. CONCLUSION: As a result, sepsis, multiple trauma and severe crush injury were the main factors increasing mortality risk in dialyzed injuries after the earthquake.

Acute Kidney Injury↗