Journal of The Korean Society of Clinical Toxicology
/
v.12
no.2
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pp.88-91
/
2014
Pyrethroids have been widely using insecticides. Although generally regarded as less toxic to mammals including humans, we report one fatal case of pyrethroid poisoning with severe brain injury.
Hong, Suk Hyun;Han, Gap Su;Jung, Sang Hun;Chun, Chung Min;Choi, Sung Hyuk;Lee, Sung Woo;Hong, Yun Sik
Journal of Trauma and Injury
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v.18
no.1
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pp.33-40
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2005
Background: This study compared the performance of trauma care in an urban and a suburban hospital before and after the enhancement of emergency and intensive care. Method: The medical records of patients who were admitted to the intensive care unit following trauma from 1994 to 1995 and from 2002 to 2003 were examined. The standardized W (Ws), the 95% confidence interval (CI) of the Ws, and the predicted survival rate (Ps) were calculated. During each period, each hospital's actual survival rate was compared with the 95% CI of the Ps according to the revised trauma score (RTS) and injury severity score (ISS). Spell out RTS and ISS. Result: From 1994 to 1995, 225 and 121 records from the urban and the suburban hospitals were reviewed, respectively. The 95% CI's of the Ws were -2.30 to 2.73 and -11.40 to -5.90, respectively. The actual survival rate of the suburban hospital was significantly lower than the predicted survival rate at all RTS. From 2002 to 2003, 315 and 268 records from the urban and the suburban hospitals were reviewed, respectively. The 95% CI's of the Ws was -3.56 to 0.24 and -3.73 to 0.26, respectively. There was no difference between the actual survival rate and the predicted survival rate. Conclusion: An enlargement of the capacities of emergency and intensive care may improve the performance of trauma care at a small suburban hospital.
Journal of The Korean Society of Clinical Toxicology
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v.8
no.1
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pp.37-42
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2010
Purpose: The purpose of this study was to determine the optimal length of time to observe patients with contrast media anaphylaxis in the Emergency Department. Methods: This study included the patients of all age groups who presented with anaphylaxis due to contrast media to the ED of Pusan National University Hospital from January 2006 to August 2009. The medical records were retrospectively reviewed. We analyzed the 100 patients who met the inclusion criteria. Their median age was 55 (46-62), and 38 out of the 100 patients (38%) were male. Results: The most common symptom of patients was urticaria. Corticosteroid and H1 antihistamine were given to most of the patients in the ED. All were discharged after observation in the ED and none were admitted to the ward. The average time from injection of the contrast media to the onset of symptom was 31 minutes (24-39) and the average time to symptom recovery was 127 minutes (89-188). The mean observation time in the ED was 93 minutes (59-153). Biphasic reactions were reported in only one case (1/100, 1%). Conclusion: These results suggest that patients who present with an anaphylactic reaction after radiologic studies that use intravenous contrast media can be safely discharged early from the ED because the symptom recovery time is not long and a biphasic reaction is rare.
Kim, Chang Ho;Park, Jung Bae;Ryoo, Hyun Wook;Seo, Kang Suk;Seo, Jun Seok;Chung, Jae Myung;Je, Dong Wook;Sung, Ae Jin
Journal of Trauma and Injury
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v.20
no.2
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pp.90-95
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2007
Purpose: This research was conducted to study whether the specific location of pelvic-bone fractures could increase the risk for injury to the urinary bladder, urethra, or lower gastrointestinal tract. Methods: We retrospectively reviewed the data of 234 patients with pelvic-bone fractures who visited the emergency department of Kyungpook National University Hospital from January 2004 to December 2006. The location of the pelvic-bone fracture was divided into 8 parts. The association of fracture location with injury to the urinary bladder, urethra, or lower gastrointestinal tract was analyzed with Fisher' s-exact test and multiple logistic regression. Results: Nineteen(19) patients had urinary bladder injury, 8 had urethral injury, and 9 had lower gastrointestinal tract injury. The following fracture locations were found to be significant; urinary bladder: sacroiliac (SI) joint (p<0.001), symphysis pubis (p=0.011), and sacrum (p=0.005); urethra: SI joint (p=0.020); lower gastrointestinal tract: symphysis pubis (p=0.028). After the multiple logistic regression analysis, the primary and the independent predictors for each of the injuries were as follows; urinary bladder: sacroiliac joint (p=0.000, odds ratio [OR]=10.469); lower gastrointestinal tract: symphysis pubis (p=0.037, OR=7.009). Conclusion: Consideration of further workup for injuries to the lower gastrointestinal and urinary tract is needed for some locations of pelvic-bone fractures because certain pelvic-bone fracture locations, especially the sacroiliac joint and the symphysis pubis, are associated with increased risk for injury to the lower gastrointestinal and urinary tracts.
Journal of The Korean Society of Clinical Toxicology
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v.6
no.2
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pp.117-122
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2008
Purpose: Surveys on poisoning usually involves intoxication rather than inhalation, skin contact, etc. Therefore, we examined the characteristics of patients who visited the emergency department in an industrial complex after acute industrial exposure to toxic materials. Methods: Medical records of patients exposed to toxic materials in the work places from April, 2006, to March, 2008, were analyzed retrospectively. Inhalation patients due to fire were excluded. Results: Subjects included 66 patients, with a mean age of $35.4{\pm}10.9$ years, mostly men (91%). Toxicity occurred in 51 patients (77%) by contact, 15 patients (23%) by inhalation, and none by oral ingestion. For toxic materials, 10 patients were exposed to hydrofluoric acid, 8 to hydrochloric acid, 7 to sodium hydroxide, 7 to metals, and others. The face and hands were the most frequent exposure site by contact. Most exposures were caused by accidents, with 29 cases (42%) exposed because of carelessness or not wearing protective equipment. Most complaints were pain on exposure site, but 7 of the inhalation patients complained of dyspnea. The majority of patients with contact exposure were discharged after wound care or observation. After inhalation exposure, 1 patient died and 5 patients were admitted to the intensive care unit. Conclusion: Major causes of workplace exposure were not wearing protective equipment or carelessness. Although contact exposures are usually benign, cautious observation and management are required in patients with inhalation exposure.
Kang, Kyeong Guk;Cho, Jin Seong;Kim, Jin Ju;Lim, Yong Su;Park, Won Bin;Yang, Hyuk Jun;Lee, Geun
Journal of Trauma and Injury
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v.28
no.3
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pp.108-114
/
2015
Purpose: To improve outcome of severe trauma patient, the shortening of transport time is needed. Although helicopter emergency medical services (HEMS) is still a subject of debate, it must also be considered for trauma system. The aim of this study is to assess whether transport method (HEMS versus ground EMS) is associated with outcome among inter-hospital transport. Methods: All trauma patients transported to regional emergency center by either HEMS or ground EMS from September 2011 to September 2014. We have classified patients according to two groups by transport method. Age younger than 15 years and self-discharged patients were excluded. Results: A total of 427 patients were available for analysis during this period. 60 patients were transported by HEMS and 367 patients were transported by ground EMS. HEMS group had higher mortality than ground EMS group (23.3% vs 3.5%; p<0.001), and included more patients with excess mortality ratio adjusted injury severity score (EMR-ISS) above 25 (91.7% vs 48.8%; p<0.001). In the multivariable regression analysis, HEMS was not associated with improved outcome compared with ground EMS, but only EMR-ISS was associated with a mortality of patients (odds ratio, 1.06; 95% confidence interval, 1.04-1.09). Conclusion: In this study, helicopter emergency medical services transport was not associated with a decreased of mortality among the trauma patients who inter-hospital transported to the regional emergency center.
Youk, Hyun;Cha, Yong Sung;Kim, Hyun;Kim, Sung Hoon;Kim, Ji Hyun;Kim, Oh Hyun;Kim, Hyung Il;Cha, Kyoung Chul;Lee, Kang Hyun;Hwang, Sung Oh
Journal of The Korean Society of Clinical Toxicology
/
v.14
no.2
/
pp.115-121
/
2016
Purpose: Because carbon monoxide (CO)-intoxicated patients with an alert mental status and only mild cognitive dysfunction may be inadequately assessed by traditional bedside neurologic examination in the emergency department (ED), they may not receive appropriate treatment. Methods: We retrospectively investigated the incidence and features of cognitive dysfunction using the Korean version of the Mini-Mental State Examination (MMSE-K) in ED patients with CO poisoning with alert mental status. We conducted a retrospective review of 43 consecutive mild CO poisoned patients with a Glasgow Coma Scale score of 15 based on documentation by the treating emergency physician in the ED between July 2014 and August 2015. Results: Cognitive dysfunction, defined as a score of less than 24 in the MMSE-K, was diagnosed in six patients (14%) in the ED. In the MMSE-K, orientation to time, memory recall, and concentration/calculation showed greater impairments. The mean age was significantly older in the cognitive dysfunction group than the non-cognitive dysfunction group (45.3 yrs vs. 66.5 yrs, p<0.001). Among the initial symptoms, experience of a transient change in mental status before ED arrival was significantly more common in the cognitive dysfunction group (32.4% vs. 100%, p=0.003). Conclusion: Patients with CO poisoning and an alert mental status may experience cognitive dysfunction as assessed using the MMSE-K during the early stages of evaluation in the ED. In the MMSE-K, orientation to time, memory recall, and concentration/calculation showed the greatest impairment.
Cho, Min Ki;Kim, Yang Weon;Lee, Kyeong Ryong;Lee, Kyung Woo;Lee, Jang Young;Cho, Gyu Chong;Cho, Junho;Kim, Hyun Jong;Kim, Seong Hwan;Chung, Sung Phil;Lee, Hahn Shick
Journal of The Korean Society of Clinical Toxicology
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v.10
no.2
/
pp.73-79
/
2012
Purpose: The purpose of this study was to identify the changes in the characteristics of patients with carbon monoxide (CO) poisoning, as well as the distinctive differences in intentionally exposed patients. Methods: The medical records of CO poisoning patients, who visited nine emergency departments between January 2010 and December 2011, were reviewed retrospectively. The clinical information including age, gender, hospitalization, type of discharge, cause and location of exposure, site of onset, concentration of initial blood carboxyhemoglobin (COHb), methods of treatment and presence of neurological complications was examined. The subjects were divided into an intentional and non-intentional group and the differences between them was compared. Results: A total 209 subjects were recruited. The median age was 38 years (29~49.5 years). They frequently complained of nausea and vomiting, and the most common exposures occurred in winter, normally in the home. The cause of exposure was usually fire, followed by incomplete combustion of fuels. The median initial blood COHb was 13.15%. The proportion of intentionally exposed patients was 21%. They were significantly younger, more frequently discharged against medical advice, and showed a higher initial blood COHb level (22.85%) than the non-intentional group. Conclusion: This study suggests that those with intentional CO poisoning are normally discharged against medical advice even when they have a higher initial COHb level. An adequate explanation of the delayed neurologic sequelae and short term follow-up observation is recommended for those patients with intentional exposure.
Journal of The Korean Society of Clinical Toxicology
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v.7
no.2
/
pp.121-126
/
2009
Purpose: We investigated the clinical characteristics and demographics of patients who suffered from hydrofluoric acid chemical injury and the mechanism of damage. Methods: We retrospectively reviewed the medical records of patients who were exposed to hydrofluoric acid from March 2004 to March 2009 and who were seen at the emergency centers in two university teaching hospitals. Results: Forty four patients out of 47 patients suffered from chemical burn, while the injuries of the remaining 3 could not be identified by the medical records. A total of 17 hydrofluoric acid chemical injury patients were enrolled during the study period, and their mean age was $29.6{\pm}7.0$. All the patients were accidentally injured by contact with the material and none of them inhaled or ingested the material. Only 6 patients wore appropriate protective equipments and 5 underwent the water irrigation for more than 10 minutes. The most common exposure area was the hand and forearm (70.5%). Less than 1% of all of the patients had their total body surface (TBS) exposed to hydrofluoric acid (mean=0.35%). The mean time interval from calcium gluconate administration to pain relief was $33.6{\pm}8.8$ hours. Conclusion: When exposed to hydrofluoric acid, it is important to wear protective equipment and undergo water irrigation for more than 10 minutes. Pain and skin damage were observed in all the patients. After treatment, we concluded that administration of calcium gluconate and pain killers was successful in relieving pain, and the prognosis was also positive for the admitted and followed up patients when less than 1% of the TBS was exposed.
Kim, Jung Ho;Ryoo, Hyun Wook;Moon, Sungbae;Jang, Tae Chang;Jin, Sang Chan;Mun, You Ho;Do, Byung Soo;Lee, Sam Beom;Kim, Jong-yeon
Journal of Yeungnam Medical Science
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v.36
no.3
/
pp.241-248
/
2019
Background: Heatstroke is one of the most serious heat-related illnesses. However, establishing public policies to prevent heatstroke remains a challenge. This study aimed to investigate the most relevant climate elements and their warning criteria to prevent outdoor heatstroke (OHS). Methods: We investigated heatstroke patients from five major hospitals in Daegu metropolitan city, Korea, from June 1 to August 31, 2011 to 2016. We also collected the corresponding regional climate data from Korea Meteorological Administration. We analyzed the relationship between the climate elements and OHS occurrence by logistic regression. Results: Of 70 patients who had heatstroke, 45 (64.3%) experienced it while outdoors. Considering all climate elements, only mean heat index (MHI) was related with OHS occurrence (p=0.019). Therefore, the higher the MHI, the higher the risk for OHS (adjusted odds ratio, 1.824; 95% confidence interval, 1.102-3.017). The most suitable cutoff point for MHI by Youden's index was $30.0^{\circ}C$ (sensitivity, 77.4%; specificity, 73.7%). Conclusion: Among the climate elements, MHI was significantly associated with OHS occurrence. The optimal MHI cutoff point for OHS prevention was $30.0^{\circ}C$.
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