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Signa Vitae

Journal of Intensive Care and Emergency Medicine

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Role of Redcell Distribution Weight in Predicting Disease Severity, Mortality and Complication in Patients With Acute Pancreatitis

Abstract

The goal of the present study was to investigate the significance of the Red Cell Distribution Width (RDW) in identifying the severity, mortality and complications of the disease at an early stage in patients with acute pancreatitis (AP).

343 patients with AP presented to the emergency department during one year were included in this retrospective study. Demographic, laboratory and imaging results were recorded. Bedside Index for Severity in AP (BISAP) score was calculated. The patients who developed pancreatitis-related mortality were recorded.

The diagnostic powers of RDW values in the diagnosis of BISAP Score (≥3), exitus, severe pancreatitis and pancreatitis with complication were analysed by means of Receiver Operating Characteristic Curve (ROC) analysis. p<0,05 was considered statistically significant.

The mean age of the subjects was 59,7 ± 18,0 years. Area under curve (AUC) in ROC analysis conducted for RDW in patients with BISAP score≥ 3 was 0,649 (95% Cl 0,576-0,722) and p <0,001. For developed complications, AUC for RDW was 0,558 (95% Cl 0,454-0,662) and p was 0,243. For RDW<14,4 cut-off value; the sensitivity was 66,25%, specificity was 71,48% in the prediction of BISAP≥ 3, sensitivity was 87,5%, specificity was 65,14% in the prediction of mortality, sensitivity was 72,73%, specificity was 71,12% in the prediction of severe AP.

RDW is as significant as the BISAP score in predicting the severity and mortality of pancreatitis in the patients with acute pancreatitis in the emergency department(ED). But it cannot predict the complications in AP.

Keywords: Emergency, acute pancreatitis, mortality, severity, complications, redcell distribution weight.

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Short- and long-term outcome of patients aged 65 and over after cardiac surgery

Abstract

To analyze the short and long-term outcome of patients aged 65 years and over, after cardiac surgery. Over a 12-year period we analyzed 1750 patients with a mean age of 70.09 3.94 years. They were classified into three age groups: between 65 and 69 (n = 709), between 70 and 74 (n = 695) and 75 years and above (n = 346). Follow-up information was obtained by telephone conversation after a 6-month and 3-year period of discharge from the hospital. Included in the follow-up were 1235 patients and an interview was conducted with 501 (40.6%) patients or their next of kin.

Even though the in-hospital morbidity was highest in the oldest age group, there were no significant differences between groups (p = 0.051). There was no significant difference between groups in the length of hospital stay. The greatest in-hospital mortality was noted in the oldest age group (p = 0.046) compared to patients in the age groups between 65 and 69 and between 70 and 74 years old (p = 0.023 and p = 0.036). In the follow-up study, there was a significantly smaller telephone feedback response in the oldest age group compared to the youngest group (p = 0.003). There were no differences between the groups with respect to mortality and cardiac death after the 6-month and 3-year periods of discharge from hospital.

Our data showed that despite a poor short – and long-term outcome in patients aged 75 and over, all patients had an acceptable operative risk.

Key Words: elderly; outcome; cardiac surgery

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Validation of tracheal intubation of wire-reinforced endotracheal tube with ultrasonography

Abstract

Objective. The use of ultrasonography (US) is a new method for verifying the location of the endotracheal tube.

Design. Our study was designed as a paired-data and investigator-blind clinical study for evaluating the effectiveness of US for verification of wire-reinforced endotracheal tube (WR-ETT) placement compared with capnography.

Setting. This study was conducted on 56 patients scheduled for elective surgery under general anesthesia.

Patients. Fifty patients completed the study as 6 were excluded for various reasons.

Intervention. Two different investigators performed the ultrasonography and intubation independently from one another. While investigator 1 attempted to verify the location of the WR-ETT with a portable ultrasonography with sagittal trans-tracheal view, investigator 2 intubated the patient and verified the location of the ETT using capnography.

Measurements. Time for verifying the location of the ETT using both US and capnography was recorded.

Main Results. When the ultrasonography method was compared with capnography for verification of the WR-ETT placement, the results showed 95.75% sensitivity and 100% specificity. The average verification times for endotracheal intubation were 12.78 ± 7.46 s. and 24.44 ± 1.45 s. with US and capnography, respectively (p=0.003).

Conclusion. Our results suggest that ultrasound identification of a WR-ETT within the trachea is a rapid and accurate method for confirmation of tracheal placement. Larger studies are needed before widespread use of this technique.

Key words: endotracheal tube, intubation, ultrasonography, capnography

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Ketamine use for endotracheal intubation in severe sepsis and septic shock

Abstract

Objective. We conducted this study to evaluate the clinical outcomes of patients with severe sepsis and septic shock who were treated with ketamine for endotracheal intubation.

Methods. A single-center, retrospective study was carried out to compare the outcomes of patients with severe sepsis and septic shock who received a ketamine or non-ketamine agent for rapid sequence intubation (RSI). We analyzed the sepsis registry for adult patients who presented to the emergency department (ED), met the criteria for severe sepsis or septic shock, and underwent endotracheal intubation between August 2008 and March 2014. The primary outcome was 28-day mortality. We performed a multivariable logistic regression analysis to assess the association between ketamine use for intubation and 28-day mortality.

Results. In all, 170 patients were intubated during the study period. Of the eligible patients, 95 received ketamine and 75 received a non-ketamine agent. The 28-day mortality of the ketamine group was not significantly different from that of the non-ketamine group (38% vs. 40%, respectively, P=0.78). The unadjusted odds ratio (OR) of ketamine use for 28-day mortality was 0.92 (95% CI: 0.49–1.70, P=0.78). The association remained insignificant after adjusting for age, gender, malignancy, initial lactate level on ED admission, time to first antibiotic administration, Acute Physiology and Chronic Health Evaluation II score on admission day, and propensity score regarding ketamine use (adjusted OR: 1.09; 95% confidence interval [CI]: 0.49–2.40; P=0.84). Initial serum lactate on ED admission was the only significant predictive factor of 28-day mortality (adjusted OR: 1.23; 95% CI: 1.10–1.38; P<0.01).

Conclusions. For patients with severe sepsis and septic shock who were intubated using RSI, we found no significant difference in 28-day mortality between those who received ketamine as a sedative agent and those who received alternative sedatives.

Key words: sepsis, ketamine, intubation, mortality

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Why should we switch chest compression providers every 2 minutes during cardiopulmonary resuscitation?

Abstract

Objective. This study was conducted to determine whether trained male rescuers could maintain adequate chest compression depth (CCD) for longer than the current recommended guidelines of 2 minutes.

Methods. Forty male medical doctors administered a 5-minute single rescuer cardiopulmonary resuscitation (CPR) to a manikin on the floor with conventional CPR or randomly administered continuous chest compressions (CCC). The ratio of compression to ventilation was set to 30:2 with mouth-to-mouth technique during conventional CPR. Chest compression data were recorded with an accelerometer device and divided into 1-minute segments for analysis.

Results. Although average CCD maintained the recommended depths throughout 5 minutes in conventional CPR, it decreased significantly with CCC (1 minute: 55.4 ± 4.5 mm; 2 minutes: 54.2 ± 5.4 mm; 3 minutes: 52.6 ± 5.6 mm; 4 minutes: 51.6 ± 5.5 mm; 5 minutes: 49.9 ± 5.8 mm, p < 0.001). The average chest compression numbers (ACCN) per minute were maintained over 80/min and have not been changed significantly within 5 minutes in the CCC. However, it didn’t reach to the 80/min and decreased significantly after 3minutes compared to the baseline ACCN during first 1-minute segment in the conventional CPR.

Conclusions. Despite the chest compression providers being limited to trained male medical doctors, the average CCD decreased significantly within 5minutes with CCC. Although maintaining adequate CCD, ACCN in each minute decreased significantly after 3minutes in the conventional CPR. Therefore, we should rotate chest compression providers every 2minutes regardless of the rescuer’s qualifications and CPR methods.

Key words: cardiopulmonary resuscitation, mouth-to-mouth resuscitation, cardiac arrest, healthcare provider

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