Do carboxyhaemoglobin and methaemoglobin levels predict the return of spontaneous circulation and prognosis of cardiac arrest patients?

BACKGROUND: Early prediction of return of spontaneous circulation (ROSC) for cardiac arrest (CA) patients is a major challenge. Different biomarkers have been studied as an early predictor for ROSC, but a consensus has not been achieved in this regard. This study's goal was to investigate the value of the carboxyhaemoglobin (COHb) and methaemoglobin (MetHb) levels as a predictive marker for ROSC and prognostic marker for patients who achieve ROSC. METHODS: A total of 241 adult patients (109 female, 132 male) diagnosed as non-traumatic CA were included in the study. The patients were divided into two groups based on whether they achieved ROSC. The ROSC group was divided into two sub-groups: survivors and non-survivors. Complete blood count parameters, routine biochemistry measurements, coagulation parameters, and blood gas analysis, and cardiac markers values were compared between the groups. RESULTS: COHb levels were significantly lower in the non-ROSC group than in the ROSC group (P = .002). Urea, creatinine, potassium and cTn (cardiac troponin) levels in the non-ROSC group were significantly higher than in the ROSC group (P < .001, .001, .014, and .005, respectively). COHb levels were significantly lower in the non-survivor group than in the survivor group (P = .022). Urea, creatinine, potassium, lactate dehydrogenase, and cTn levels were significantly higher in the non-survivor group than the survivor group (P = .001, .005, .001, .010 and .008, respectively). There was no significant difference between the ROSC and non-ROSC groups and survivor group and non-survivor groups in terms of MetHb levels (P = .769 and .668, respectively). Moreover, CPR duration is significantly shorter in the survivor group than the non-survivor group (P Ë‚ .001). CONCLUSION: COHb levels in the blood gas analysis at the time of admission could be used as a predictive marker for ROSC and prognostic marker for the patients who achieved ROSC.

Concomitant hypertriglyceridemia-induced pancreatitis in pregnant monozygotic twin siblings.

Hypertriglyceridemia-induced pancreatitis (HTIP) is the third most common cause of pancreatitis. Hypertriglyceridemia shows familial transition and pregnancy increases the risk of HTIP. The treatment of HTIP is initiated with supportive treatment and continues with specific treatments including plasmapheresis, insulin, heparin infusion, and hemofiltration. The current study reports monozygotic twins who are pregnant at the same time having concurrent HTIP attack.

Pneumomediastinum, pneumocephalus, and bilateral pneumo-orbita in the same patient: a rare dangerous coexistence but a lucky prognosis.

Trauma is the leading cause of mortality and morbidity among young adults. In the emergency department, blunt and penetrating traumas must be evaluated carefully especially for life-threatening conditions. High-pressure air is a rare penetrating trauma type. Pneumomediastinum, pneumocephalus, and bilateral pneumo-orbita are all dangerous conditions and coexistence of them is extremely rare. There is no consensus for the treatment of this concurrence and, moreover, there is no opportunity for future randomized studies. Hence, in this study, we report a pneumomediastinum, pneumocephalus, and bilateral pneumo-orbita case after high-pressure air trauma and resolution with supportive care without any complication.

Assessment of endotracheal intubation procedures following inadvertent esophageal intubation. A randomized crossover manikin trial.

OBJECTIVE: To evaluate the success, degree of difficulty and completion time of endotracheal intubation without removing the endotracheal tube in the event of an oesophageal intubation.. METHODS: The prospective, randomised crossover study was conducted at Gulhane Training and Research Hospital, Ankara, Turkey, from July 1, 2018, to August 31, 2018, and used a manikin model. Endotracheal intubation was performed using Miller, Macintosh blades and a video laryngoscope. The procedures were randomised into two groups, with group E+ being subjected to it while an endotracheal tube ETT was placed in the oesophagus (E+) simulating the oesophageal intubation, and control group E- getting the standard procedure without the endotracheal tube in the oesophagus. All methods were evaluated for their success, completion time, and degree of difficulty. Data was analysed using SPSS 22. RESULTS: There were 120 manikins, with 60(50%) in each of the two groups. The mean completion time with Miller in E+ group was 19.05±9.65 and for E- it was 17.55±11.95 seconds. With Macintosh, E+ had a mean completion time of 19.85±12.66 seconds and E- had 16.75±8.66. With video laryngoscope, E+ group had a mean completion time of 16.75±8.66 seconds, while E- had it 14.60±8.17. No significant difference was found in the paired group comparisons in terms of the degree of task difficulty (p>0.05). CONCLUSIONS: In case of inadvertent oesophageal intubation condition, leaving the tube in the oesophagus and performing subsequent endotracheal intubation attempts was not found to decrease the rate of success regardless of the laryngoscope type.

How reliable are electrolyte and metabolite results measured by a blood gas analyzer in the ED?

INTRODUCTION: Blood gas analysis is a frequently ordered test in emergency departments for many indications. It is a rapid technique that can analyze electrolyte and metabolites in addition to pH and blood gases. The aim of this study was to investigate the correlation of electrolyte and metabolite results measured by blood gas and core laboratory analyzers. METHODS: This was a prospective, single-center observational study conducted in a tertiary care center's emergency department. All adult patients requiring arterial/venous blood gas analysis and core laboratory tests together for any purpose were consecutively included in the study between April 2014 and July 2015. Patients younger than 16 years, having any intravenous infusion or blood transfusion prior to sampling, or who were pregnant were excluded. RESULTS: A total of 1094 patients' (male = 547, female = 547) paired blood samples were analyzed. The mean age was 58.10 ± 21.35 years, and there was no difference between arterial and venous sampling groups by age, pH, or sex (P = .93, .56, and .41, respectively). Correlation coefficients for hemoglobin, hematocrit, glucose, potassium, sodium, and chloride levels measured by blood gas analyzer and core laboratory analyzers were 0.922, 0.896, 0.964, 0.823, 0.854, and 0.791, respectively. CONCLUSION: Blood gas analysis results were strongly correlated for hemoglobin, hematocrit, glucose, potassium, and sodium levels but were only moderately correlated for chloride levels. These parameters as measured by a blood gas analyzer seem reliable in critical decision making but must be validated by core laboratory results.

A life-threatening complication of warfarin therapy in ED: diffuse alveolar hemorrhage.

Warfarin have some serious adverse effects, and bleeding is one of the most serious and frequent of them. In this case report, we present the diffuse alveolar hemorrhage case as a rare and life-threatening complication of warfarin.

Can mainstream end-tidal carbon dioxide measurement accurately predict the arterial carbon dioxide level of patients with acute dyspnea in ED.

OBJECTIVE: This study was designed to determine whether the mainstream end-tidal carbon dioxide (ETCO2) measurement can accurately predict the partial arterial carbon dioxide (Paco2) level of patients presented to emergency department (ED) with acute dyspnea. METHODS: This prospective, observational study was conducted at a university hospital ED, which serves more than 110 000 patients annually. Nonintubated adult patients presented with acute dyspnea who required arterial blood gas analysis were recruited in the study for a 6-month period between January and July 2010. Patients were asked to breathe through an airway adapter attached to the mainstream capnometer. Arterial blood gas samples were obtained simultaneously. RESULTS: We included 162 patients during the study period. The mean ETCO2 level was 39.47 ± 10.84 mm Hg (minimum, 19 mm Hg; maximum, 82 mm Hg), and mean Paco2 level was 38.95 ± 12.27 mm Hg (minimum, 16 mm Hg; maximum, 94 mm Hg). There was a positive, strong, statistically significant correlation between ETCO2 and Paco2 (r = 0.911, P < .001). The Bland-Altman plot shows the mean bias ± SD between ETCO2 and Paco2 as 0.5 ± 5 mm Hg (95% confidence interval, -1.3165-0.2680) and the limits of agreement as -10.5 and +9.5 mm Hg. Eighty percent (n = 129) of the ETCO2 measurements were between the range of ±5 mm Hg. CONCLUSION: Mainstream ETCO2 measurement accurately predicts the arterial Paco2 of patients presented to ED with acute dyspnea. Further studies comparing mainstream and sidestream methods in these patients are required.

Features of patients with upper gastrointestinal bleeding and factors affecting the re-bleeding risk.

BACKGROUND: The risk of re-bleeding in upper gastrointestinal bleeding (UGIB) is a major complication that can be mortal. In this study, we aimed to determine the factors that can predict the risk of re-bleeding in UGIB patients. METHODS: We retrospectively screened UGIB patients admitted in adult intensive care. Along with age and gender, complaints of admission, vital signs, comorbidities, laboratory findings, medications, endoscopy status, and re-bleeding status were recorded. According to these findings, Glasgow-Blatchford and AIMS65 scores of the patients were calculated. All statistical tests were performed with the Predictive Analytics Software (PASW®, version 18, SPSS Inc., Chicago, IL). RESULTS: A total of 241 patients were included in the study. Mean age of patients was 57.58±19.31, years and 176 (73.0%) of them were male. A total of 117 (48.5%) patients were Helicobacter pylori positive and re-bleeding occurred in 77 (32.0%) patients. Sclerotherapy was applied in 103 (42.7%) patients, while 5 (2.1%) underwent electrocoagulation, and 4 (1.7%) underwent hemoclips. There was a significant difference between patients with and without endoscopic intervention for re-bleeding (p<0.001). Hematocrit, urea values, Glasgow-Blatchford, and AIMS65 scores were statistically significant different between the groups with and without re-bleeding (p=<0.001, <0.001, <0.001, and 0.008, respectively). In the ROC analysis of Glasgow-Blatchford and AIMS65 scoring systems area, under the curve values were 0.700 (p=<0.001, 95% CI: 0.626-0.775), and 0.557 (p=0.194, CI 95%: 0.469-0.645), respectively. Mortality rate was 2.1% (n=5) among study population. CONCLUSION: Hematocrit and urea values seem beneficial among studied laboratory values, however, Glasgow-Blatchford scoring system performed better than AIMS65 in the prediction of re-bleeding risk in UGIB. The authors concluded that more specific predictive markers may be useful for clinicians.

[Contribution of Turkish Emergency Medicine to the international literature: evaluation of 15 years]. / Türk acil tibbinin uluslararasi literatüre katkisi: 15 yilin degerlendirilmesi.

BACKGROUND: The aim of this study was to present characteristics of internationally published articles originating from Turkish Emergency Medicine (EM) departments over the last 15 years. METHODS: The PubMed database was searched for all articles published from 1995 to 2010 that originated from Turkish EM departments. RESULTS A total of 514 articles were included. Of all articles, 77% (n=396) were published in the last five years. Publications were detected to increase at a rate of 6.2 articles per year. 58.7% (n=302) of the articles were published in non-EM journals. Advances in Therapy in the non-EM group, with 27 articles, and the Turkish Journal of Trauma & Emergency Surgery in the EM group, with 48 articles, were the preferred journals. The most popular subjects were toxicology, at 26% (n=134), followed by trauma, at 16% (n=86). 7.7% (n=40) of all articles were animal studies and 6% (n=31) were randomized controlled trials. CONCLUSION: Significant publication growth was detected related with the development of EM in Turkey. The preference for non- EM journals, toxicology as the most popular subject and the effect of university hospitals were the interesting results of this study. The low number of multicenter, randomized controlled trials and of published articles in high impact factor journals have led us to consider the importance of publication quality, which requires additional effort.

Investigation of the Value of T peak to T end and QTc Intervals as Electrocardiographic Arrhythmia Susceptibility Markers in Acute Ischemic Stroke.

INTRODUCTION: Arrhythmias are one of the most common causes of mortality in patients with acute ischemic stroke (AIS). This study aimed to investigate the relationships of arrhythmia susceptibility markers (QT, QTc, Tpe, Tpe-D, Tpe/QT, and Tpe/QTc) with the localization and volume of the ischemic area, the National Institutes of Health Stroke Scale (NIHSS) scores, and troponin levels in AIS. METHODS: Patients diagnosed with AIS in the emergency department in the period from 01 November 2016 to 31 March 2019 were retrospectively reviewed. Patients admitted to the emergency department with no pathological ECG findings were included. The measurements of QT, QTc, Tpe, Tpe-D, Tpe/QTc, and Tpe/QT were performed under a digital microscope. The NIHSS scores, troponin values, and the ischemic area volume based on the diffusion-weighted magnetic resonance imaging findings at the time of admission were found. RESULTS: A total of 135 patients, comprising 70 AIS patients and 65 individuals as controls, were included in the study. The male/female ratio was 73/62 and the mean age was 68.51±10.80 years. All of the ECG parameters in the AIS group and the control group were statistically significantly different between the groups except Tpe-D (p=0.454) (For QT, QTc, Tpe, Tpe/QTc, and Tpe/QT; p=0.003, 0.022, <0.001, 0.001, 0.001; respectively). QT, QTc, Tpe, Tpe/QTc, and Tpe/QT values were not significantly different between the groups with a NIHSS score of ≤5 and >5 (p=0.480, 0.688, 0.663, 0.512, 0.333, respectively). CONCLUSIONS: Arrhythmia susceptibility markers including QT, QTc, Tpe, the values of Tpe-D, Tpe/QT, and Tpe/QTc are different in AIS patients compared to the individuals in the control group; therefore, these parameters can be included among the other parameters of close cardiac monitoring.

Endotracheal Intubation by Paramedics Using Neodymium Magnet and Modified Stylet in Simulated Difficult Airway: A Prospective, Randomized, Crossover Manikin Study.

BACKGROUND: The present study evaluates the success and efficacy of endotracheal intubation (ETI) using a modified intubation stylet and a magnet system to direct the stylet into the trachea. The system was developed by the researchers in an attempt to increase the success and efficacy of ETI. METHODS: ETI procedures were performed on an airway management manikin by emergency medical technicians with at least four years of experience in ETI. The technicians used a stylet modified with an iron ball affixed to the tip and a neodymium magnet, designed specifically for the study. The intention was to guide the endotracheal tube into the trachea at the level of the thyroid and cricoid cartilages on the manikin with the aid of the modified stylet and the magnetic force of the neodymium magnet. The success rate, completion time, and degree of difficulty of two procedures were compared: magnetic endotracheal intubation (METI) and classic ETI (CETI). RESULTS: The success rate was 100% in both groups. The mean completion times for the METI and CETI procedures were 18.31 ± 2.46 s and 20.01 ± 1.95 s, respectively. There were significant differences in completion time and degree of difficulty between the METI and CETI procedures (both p=0.001). CONCLUSIONS: We found the use of a neodymium magnet and modified stylet to be an effective method to guide the endotracheal tube into the trachea. The present study may provide a basis for future studies.

Transpulmonary Hypothermia with Cooled Oxygen Inhalation Shows Promising Results as a Novel Hypothermia Technique.

BACKGROUND: Therapeutic hypothermia was showed to improve neurologic outcome but current therapeutic hypothermia techniques have limitations. Novel techniques such as transpulmonary hypothermia with cooled oxygen inhalation may be beneficial. AIMS: To evaluate the performance of transthoracic hypothermia with cooled medical oxygen inhalation as a therapeutic hypothermia method. STUDY DESIGN: Animal experimentation. METHODS: A total of 36 adult male Wistar-Hannover rats were used in this research. Rats were randomised into four groups: group 1, Cooled oxygen group; group 2, IV cold fluid group; group 3, Surface cooling group; group 4, control group. No hypothermia method was applied in the control group. Hypothermia techniques were administered in the other three groups until the targeted core temperature was maintained. The target temperature was continued for one hour at 32-34 °C. After that, rats were heated up with hot blankets. Once the rectal temperature reached 38 °C, rats were euthanised. The main outcomes were the rate of temperature decrease (°C per minute) (S) and the time required to reach the target body temperature (T). RESULTS: All rats survived the study protocol. When compared to the control group, T and S values were better in the cooled medical oxygen inhalation group (p<0.001). The IV cold fluid group had lower S values and higher T values compared to the cooled oxygen group (p<0.001, and p=0.003, respectively). There was no meaningful pathology in the histological samples in any group. CONCLUSION: As an easy-to-use and inexpensive method, cooled oxygen inhalation may be a beneficial hypothermia technique.

Transient Ischemic Attack Versus Seizure: Use of Complete Blood Count Parameters for Differential Diagnosis.

INTRODUCTION: Seizures are an important group of diagnoses in the differential evaluation of Transient Ischemic Attack (TIA)because of their variable and temporary signs and symptoms. Physicians must frequently rule out TIA in asymptomatic patients with normal diagnostic neuroimaging. AIM: The current study aimed to investigate the efficacy of Complete Blood Count (CBC) components in the differential diagnosis of TIA and seizures. MATERIALS AND METHODS: Our study was a retrospective case-control study. Patients admitted to the Emergency Department (ED) and hospitalized with an initial diagnosis of TIA or seizure at the neurology clinic of Erzurum Ataturk University Training Hospital between January 1, 2012, and December 31, 2014, were recruited for the study. Patients with inaccessible or missing data were excluded. RESULTS: We identified 1,459 ED admissions that resulted in neurology clinic hospitalizations of patients with initial diagnoses of TIA (n=911) and seizure (n=420) over a 24-month time period. A total of 128 patients were excluded from the study. CONCLUSION: We conclude that CBC may have a diagnostic value on TIA and seizure differentiation, but this is limited because of statistical and clinical incompatibility. Elevated White Blood Cells (WBC) values of seizure patients compared with TIA patients' may help clinicians at the preliminary phase of diagnostic studies. We conclude that age is a remarkable and valuable demographic parameter in addition to physical examination, laboratory and imaging studies.

Systematic Analysis of Theses in the Field of Emergency Medicine in Turkey.

OBJECTIVES: The aim of this study is to systematically evaluate the theses in the field of emergency medicine in Turkey and to determine whether they were published as a scientific paper. METHODS: This is a retrospective observational study. Theses in the field of emergency medicine between 1998 and 2013 were browsed from the internet database of National Thesis Center (Council of Higher Education). Study type, both if it was in the field of emergency, or if it was published and the journal's scope of published studies were assessed and recorded in the study chart. RESULTS: 579 theses were included in the study. 27.1% of them were published and 14.9% of them were published in SCI/SCI-E journals. Advisors of theses were emergency medicine specialists in 67.6% of theses and 493 (85.1%) of them were in the field of emergency medicine. 77.4% of theses were observational and 20.9% were experimental study. Most of the experimental studies (72.7%, n=88) were animal studies. CONCLUSIONS: It was concluded that very few theses in the field of emergency medicine were published in journals that were indexed in SCI/SCI-E.

Acute Psychotic Symptoms due to Benzydamine Hydrochloride Abuse with Alcohol.

Benzydamine hydrochloride is a locally acting nonsteroidal anti-inflammatory drug. Benzydamine hydrochloride overdose can cause stimulation of central nervous system, hallucinations, and psychosis. We presented a young man with psychotic symptoms due to benzydamine hydrochloride abuse. He received a total dose of 1000 mg benzydamine hydrochloride with alcohol for its hallucinative effects. Misuse of benzydamine hydrochloride must be considered in differential diagnosis of first-episode psychosis and physicians should consider possibility of abuse in prescribing.

Hypertriglyceridemia induced pancreatitis (chylomicronemia syndrome) treated with supportive care.

Hypertriglyceridemia is a rare cause of pancreatitis. In treatment pancreatic rest, lifestyle changes, medications (fibrates, n-3 polyunsaturated fatty acids, and nicotinic acid) are essential. Many experimental treatment modalities have been reported as insulin and heparin infusion and plasmapheresis. In this study we present the hypertriglyceridemia-induced pancreatitis treated with supportive care.