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OBJECTIVE: Sepsis is a syndrome of life-threatening organ dysfunction. This study aimed to determine whether presepsin is a useful predictor of septic acute kidney injury (AKI), acute respiratory distress syndrome (ARDS), disseminated intravascular coagulation (DIC), and shock in very-old sepsis patients aged 75 years in intensive care units (ICUs). RESULTS: A total of 83 adult patients diagnosed with sepsis were prospectively examined and divided into two groups: those aged 75 years and older (over 75 group) and those aged younger than 75 years (under 75 group). Presepsin values were measured after ICU admission. Inflammation-based prognostic scores were also examined. For category classification, total scores ("inflammation-presepsin scores [iPS]") were calculated. Presepsin values, inflammation-based prognostic scores, and iPS were compared between patients with septic AKI, ARDS, DIC, or shock and those without these disorders in the over 75 and under 75 groups. Areas under the curve of presepsin for predicting septic AKI and ARDS in the over 75 group were both > 0.7, which were significantly higher than those in the under 75 group. In conclusion, presepsin is a more useful predictor of septic AKI and ARDS for very-old sepsis patients (over 75 years) than for younger sepsis patients (under 75 years).

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OBJECTIVE: This study aimed to determine whether presepsin and inflammation-based prognostic scores can predict the progression of septic subclinical acute kidney injury (AKI) to septic AKI among intensive care unit (ICU) patients. RESULTS: Presepsin values were measured immediately after ICU admission (baseline) and on Days 2, 3, and 5 after ICU admission. Glasgow Prognostic Score, neutrophil to lymphocyte ratio, platelet to lymphocyte ratio (PLR), Prognostic Index, and Prognostic Nutritional Index were measured at baseline. Presepsin values and these indices were compared between septic AKI and septic subclinical AKI patients. There were 38 septic AKI patients and 21 septic subclinical AKI patients. Receiver operating characteristic curve analyses revealed the following cut-off values for AKI (relative to subclinical AKI): 708.0 (pg/ml) for presepsin on Day 1 (AUC, 0.69; sensitivity, 82%; specificity, 52%), 1283.0 (pg/ml) for presepsin on Day 2 (AUC, 0.69; sensitivity, 55%; specificity, 80%), and 368.66 for PLR (AUC, 0.67; sensitivity, 71%; specificity, 62%). Multivariate logistic regression analyses revealed PLR to be a predictor of septic subclinical AKI (odds ratio, 1.0023; 95% confidence interval, 1.0000-1.0046; p = 0.046). Presepsin and PLR predicted the progression of septic subclinical AKI to septic AKI and the prognosis of subclinical septic AKI patients.

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OBJECTIVE: Sepsis is a major cause of mortality for critically ill patients. This study aimed to determine whether presepsin values can predict mortality in patients with sepsis. RESULTS: Receiver operating characteristic (ROC) curve analysis, Log-rank test, and multivariate analysis identified presepsin values and Prognostic Nutritional Index as predictors of mortality in sepsis patients. Presepsin value on Day 1 was a predictor of early mortality, i.e., death within 7 days of ICU admission; ROC curve analysis revealed an AUC of 0.84, sensitivity of 89%, and specificity of 77%; and multivariate analysis showed an OR of 1.0007, with a 95%CI of 1.0001-1.0013 (p = 0.0320).

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BACKGROUND: Sepsis is the most common cause of acute kidney injury (AKI) among critically ill patients. This study aimed to determine whether presepsin is a predictor of septic acute kidney injury, renal replacement therapy initiation (RRTi) in sepsis patients, and prognosis in septic AKI patients. METHODS: Presepsin values were measured immediately after ICU admission (baseline) and on Days 2, 3, and 5 after ICU admission. Glasgow Prognostic Score (GPS), neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio, Prognostic Index, and Prognostic Nutritional Index (PNI) were measured at baseline, and total scores ("inflammation-presepsin scores [iPS]") were calculated for category classification. Presepsin values, inflammation-based prognostic scores, and iPS were compared between patients with and without septic AKI or RRTi and between survivors and non-survivors. RESULTS: Receiver operating characteristic curve analyses identified the following variables as predictors of septic AKI and RRTi in sepsis patients: presepsin on Day 1 (AUC: 0.73) and Day 2 (AUC: 0.71) for septic AKI, and presepsin on Day 1 (AUC: 0.71), Day 2 (AUC: 0.9), and Day 5 (AUC: 0.96), Δpresepsin (Day 2 - Day 1) (AUC: 0.84), Δpresepsin (Day 5 - Day 1) (AUC: 0.93), and PNI (AUC: 0.72) for RRTi. Multivariate logistic regression analyses identified presepsin on Day 2 as a predictor of prognosis in septic AKI patients. CONCLUSIONS: Presepsin and PNI were found to be predictors of septic AKI, RRTi in sepsis patients, and prognosis in septic AKI patients.

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BACKGROUND AND AIMS: Sepsis is the main cause of death from infection. This study aimed to determine whether neutrophil gelatinase-associated lipocalin (NGAL) values better predict mortality in septic patients when combined with inflammation-based prognostic scores. MATERIAL AND METHODS: Forty-four adult patients diagnosed according to the Sepsis-3 definition and who were admitted to the ICU were prospectively examined from June 2018 to November 2018. Urine samples were collected from each patient with a urethral balloon bag to measure NGAL after ICU entry at the following time points: immediately after and 2, 3, and 4 days after ICU entry. The Glasgow Prognostic Score, the neutrophil to lymphocyte ratio (NLR), the platelet to lymphocyte ratio, the Prognostic Nutritional Index, the Prognostic Index (PI), the Sequential Organ Failure Assessment (SOFA), and quick SOFA were examined immediately after ICU entry. Predictors of mortality were assessed by receiver operating characteristics curve (ROC) analysis, log-rank test, and multivariate logistic regression analysis. RESULTS: NGAL on day 4 (AUC: 0.94) and ΔNGAL from day 4 to day 1 (AUC: 0.9) for 28-day mortality; NGAL on day 4 (AUC: 0.94) and inflammation-NGAL score (iNS) NGAL-PI (AUC: 0.69) for 60-day mortality; ΔNGAL from day 3 to day 1 (AUC: 0.82) for 90-day mortality; and iNS NGAL-NLR (AUC: 0.71) and iNS NGAL-PI (AUC: 0.68) for in-hospital mortality were found to be predictors of mortality by ROC curve analysis. NLR (p = 0.02) for 28-day mortality; NGAL on day 2 (p = 0.031), ΔNGAL from day 2 to day 1 (p = 0.013), and NLR (p < 0.0001) for 60-day mortality; NGAL on day 2 (p = 0.017), ΔNGAL from day 2 to day 1 (p = 0.014), and NLR (p = 0.033) for 90-day mortality; and NGAL on day 2 (p = 0.007) for in-hospital mortality were found to be predictors of mortality by log-rank test. iNS NGAL-NLR (OR, 0.024; p = 0.019) for 60-day mortality and NGAL from day 3 to day 1 (OR, 1.005; p = 0.013) for 90-day mortality were found to be predictors of mortality by multivariate logistic regression analysis. CONCLUSIONS: NGAL and ΔNGAL were predictors of mortality in sepsis patients on day 2 after ICU entry and thereafter, but not on day 1.

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BACKGROUND: Sepsis remains a major cause of mortality in critically ill patients. This study aimed to determine whether presepsin is a predictor of septic acute kidney injury (AKI), acute respiratory distress syndrome (ARDS), disseminated intravascular coagulation (DIC), and shock. METHODS: A total of 83 adult patients diagnosed with sepsis were prospectively examined. Presepsin values were measured immediately after intensive care unit (ICU) admission and on Days 2, 3, and 5 after ICU admission. Glasgow Prognostic Score (GPS), neutrophil to lymphocyte ratio, platelet to lymphocyte ratio, Prognostic Index, and Prognostic Nutritional Index were also examined at baseline. For category classification, total scores were calculated (hereafter, "inflammation-presepsin scores [iPS]") as follows: a score of 1 was assigned if the presepsin value and inflammation-based prognostic scores at baseline were above cutoffs determined by receiver operating characteristic (ROC) curve analysis for 28-day mortality; a score of 0 was assigned if they were below the cutoffs (total score range, 0-2 points). Presepsin values, inflammation-based prognostic scores, and iPS were compared between patients with septic AKI, ARDS, DIC, or shock and those without these disorders. RESULTS: ROC curve analyses identified the following variables as predictors: presepsin on Days 1 and 2 for septic AKI; presepsin on Days 1 to 3; and iPS-GPS for septic ARDS; and presepsin on Day 2 and Δpresepsin (Day 2-Day 1) for septic DIC. Multivariate analysis revealed presepsin on Day 2 to be a predictor of septic DIC. CONCLUSION: Presepsin is a predictor of septic AKI, ARDS, and DIC. Combining presepsin values with GPS improved the specificity for predicting septic ARDS relative to using baseline presepsin values alone.

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OBJECTIVE: Sepsis is a syndrome involving life-threatening organ dysfunction. The present study aimed to determine whether septic AKI, ARDS, DIC, and shock can be predicted more readily by combining uNGAL values and inflammation-based prognostic scores, over the use of uNGAL values alone. RESULTS: ROC curve analyses yielded the following cut-off values: AKI: 438.5 (ng/ml) for uNGAL at Day 1 (AUC, 0.8), 476.9 (ng/ml) for uNGAL at Day 2 (AUC, 0.86), 123.8 (ng/ml) for uNGAL at Day 3 (AUC, 0.81), 133.6 (ng/ml) for uNGAL at Day 4 (AUC, 0.78), 1.0 for iNS NGAL-NLR (AUC, 0.75), 2.0 for iNS NGAL-PI (AUC, 0.77), DIC; 648.5 (ng/ml) for uNGAL at Day 1 (AUC, 0.77); shock; 123.8 (ng/ml) for uNGAL at Day 3 (AUC, 0.71) and 9 for SOFA (AUC, 0.71). Multivariate logistic regression analyses revealed iNS NGAL-PI to be a significant independent predictor of AKI (OR, 20.62; 95% CI, 1.03-412.3; p = 0.048).

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A previously healthy 40-year-old Japanese male was urgently admitted with a 2-month history of dysphagia, 30-kg weight loss, and fever. Human immunodeficiency virus (HIV) antibodies and cytomegalovirus antigenemia were positive. Pneumocystis pneumonia and cytomegalovirus pneumonia were suspected. The patient was diagnosed with acquired immune deficiency syndrome (AIDS). Cytomegalovirus antigenemia became negative 20 days after the positive result. On hospital day 41, he experienced cardiopulmonary arrest. The clinical diagnosis was fulminant type 1 diabetes mellitus. He later developed hypoglycemia and was diagnosed with adrenal insufficiency accompanied by septic shock. He died of multiple organ failure 29 h post-admission to our ICU.

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A neutrophil-to-lymphocyte ratio (NLR) > 7 is reportedly an independent marker of mortality in patients with bacteremia. However, no studies have shown an association between inflammation-based prognostic scores (including the Glasgow Prognostic Score, the NLR, the platelet-to-lymphocyte ratio, the Prognostic Nutritional Index, and the Prognostic Index) and mortality in patients with pneumonia. We retrospectively examined the cases of 33 patients diagnosed with pneumonia who were treated in the ICU of Osaka Medical College Hospital between January 2014 and June 2016. A multivariate analysis revealed that the NLR was a significant predictor of mortality in these pneumonia patients.

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BACKGROUND: Central venous catheters (CVCs) are commonly used in the management of critically ill patients. This study aimed to determine whether an educational program could reduce the rate of catheter-related bloodstream infections (CRBSIs) in intensive care units (ICUs). FINDINGS: All patients admitted to a medical ICU at a college affiliated with the Japan Society of Intensive Care Medicine between January 2008 and December 2014 were surveyed prospectively for the development of CRBSIs. A mandatory educational program (the intervention) targeting an infection control committee consisting of physicians was developed by a multidisciplinary task force to highlight correct practices for preventing CRBSIs. The program included a 30-min video-based introduction, 120-min lectures with a number of hands-on training sessions, a post-test, posters, safety check sheets, and feedback from the infection control committee. Lectures based on the education program were held every 3 months, and participants were free to choose when they attended the lectures. Each participant was required to view the 30-min introduction before attending the 120-min lectures and complete the post-test after each lecture. Safety check sheets were made to ascertain adherence to contents of the educational program. Posters describing the educational program were posted throughout the ICU. A pre- and post-intervention observational study design was employed, with the main outcome measure being yearly CRBSIs. We also calculated cost savings that resulted from improved CRBSI rates.During the 12-month pre-intervention period, four episodes of CRBSIs occurred in 1171 patient ICU-days (i.e., 3.4 per 1000 patient ICU-days). In the first year after the intervention, the rate of CRBSIs decreased to 0 in 1157 patient ICU-days (P ≤ 0.05). The estimated cost savings secondary to this decreased rate for the 1 year following introduction of the program was between 1850,000 and 27,000,000 yen ($14,800-$216,000). CONCLUSIONS: A program aimed at educating healthcare providers on the prevention of CRBSIs led to a dramatic decrease in the rate of primary bloodstream infections. This suggests that educational programs may substantially decrease medical care costs and patient morbidity attributed to central venous catheterization when implemented as part of mandatory training.

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BACKGROUND: Bacillus cereus (B. cereus) rarely causes lower respiratory tract infections, although most reported cases of B. cereus pneumonia are fatal despite intensive antibiotic therapy. We present a case of B. cereus pneumonia in an immunocompetent patient. CASE PRESENTATION: An 81-year-old woman was transferred from a district general hospital to our hospital for treatment of congestive heart failure. The patient presented with a nonproductive cough, dyspnea, edema in both lower extremities, orthopnea, fever, and occult blood in the stool. A chest radiograph indicated bilateral pleural effusion and pulmonary congestion. After diuretic therapy and chest drainage, bilateral pleural effusion and pulmonary congestion improved. On day 2, she experienced severe respiratory distress. B. cereus was isolated from two blood sample cultures. On day 4, her condition had progressed to severe respiratory distress (PaO2/FiO2 ratio = 108). A chest radiograph and computed tomography indicated extensive bilateral infiltrates. She was transferred to the intensive care unit and was intubated. B. cereus was also isolated from five blood sample cultures at that time. After isolating B. cereus, we switched antibiotics to a combination of imipenem and levofloxacin, which were effective. She had no history of immunodeficiency, surgery, ill close contacts, risk factors for HIV or tuberculosis, recent central venous catheter insertion, or anthrax vaccination. She improved and was discharged from the intensive care unit after several days. CONCLUSION: This is a rare case of B. cereus pneumonia in an immunocompetent patient, who subsequently recovered. Bacillus should be considered as a potential pathogen when immunocompetent patients develop severe pneumonia.

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BACKGROUND: Patients with vascular Ehlers-Danlos syndrome (EDS) are susceptible to significant vascular complications, such as aortic and visceral arterial ruptures, aneurysms, and dissection. We describe a case of repeated bleeding in a 57-year-old woman and a case of sudden onset of artery dissection in her daughter, both of whom were previously diagnosed with vascular EDS and managed at our institution. CASE PRESENTATION: A 57-year-old woman was admitted to our emergency department due to sudden onset of left low back pain. Her past history included vascular EDS. An urgent abdominal computed tomography (CT) scan revealed a left-sided retroperitoneal hematoma and left external iliac artery dissection. Stent graft repair was performed. Five hours postoperatively, cardiac arrest occurred and resuscitation attempts failed. The 32-year-old daughter with genetically diagnosed vascular EDS was notified of the death of her mother during the customary end-of-life conference. Six hours after her mother's death, she was admitted to our emergency department due to sudden onset of left low back pain. On examination, she was not in hypovolemic shock, and weak pulses were palpable in the bilateral dorsalis pedis. An urgent abdominal CT scan revealed a right-sided retroperitoneal hematoma around the right external iliac artery and left external iliac artery dissection. She was admitted to the intensive care unit and underwent conservative therapy consisting of bed rest and antihypertensive therapy with nicardipine. She developed no further vascular complications requiring surgical intervention and was discharged on the 21st hospital day. CONCLUSIONS: Vascular rupture can be fatal in patients with vascular EDS. This report underscores the importance of strategic management of vascular complications to prevent rupture, and the importance of psychological care for the bereaved family given the hereditary nature of vascular EDS.

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BACKGROUND: The neutrophil to lymphocyte ratio (NLR) is gaining interest as an independent predictor of survival in patients with various clinical conditions. No study to date has reported an association between inflammation-based prognostic scores, including the Glasgow Prognostic Score (GPS), NLR, platelet to lymphocyte ratio (PLR), Prognostic Nutritional Index (PNI), and Prognostic Index (PI), and mortality in patients with gastrointestinal perforation (GIP). We compared the prognostic value of these measures. FINDINGS: A total of 32 patients with GIP were retrospectively enrolled. Patients were assessed according to the GPS, NLR, PLR, PI, and PNI. Multivariate analyses were performed to identify variables associated with mortality. Receiver operating characteristic (ROC) analyses were also performed. Overall survival rates (in-hospital mortality) were calculated using the Kaplan-Meier method, and differences in survival rates between groups were compared by the log-rank test. Multivariate analysis of significant variables revealed NLR (HR 1.257, 95% CI 1.035-1.527, P = 0.021) and PLR (HR 1.004, 95% CI 1.001-1.007, P = 0.016) at the time of admission to the intensive care unit to be independently associated with in-hospital mortality. AUC analysis revealed Sequential Organ Failure Assessment-Glasgow Coma Scale (SOFA-GCS) (0.73) to be superior to NLR (0.57) and PLR (0.58) for predicting mortality, and a high SOFA-GCS score was associated with reduced overall survival (P < 0.05). CONCLUSIONS: NLR and PLR were superior to other inflammation-based prognostic scores in predicting the mortality of patients with GIP.

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BACKGROUND: Robot-assisted laparoscopic prostatectomy is increasingly performed as a minimally invasive option for patients with organ-confined prostate cancer. This technique offers several advantages over other surgical methods. However, concerns have been raised over the effects of the steep head-down tilt necessary during the procedure. We present a case in which head-down positioning and abdominal insufflation masked the signs of an intraoperative hemorrhage. CASE PRESENTATION: A 73-year-old Asian man developed severe hypotension caused by an unexpected hemorrhage during robot-assisted laparoscopic prostatectomy for prostate cancer. Although our patient's blood pressure steadily decreased during the procedure, his systolic blood pressure remained above 80 mmHg while he was tilted head downward at an angle of 28°. However, his blood pressure dropped immediately after he was returned to the horizontal position and abdominal insufflation - to create a pneumoperitoneum - was ceased at the end of surgery. We returned the patient to a head-down tilt to keep his blood pressure stable and began fluid infusion. Blood test results indicated that a hemorrhage was the cause of his hypotension. Open abdominal surgery was performed to stop the bleeding. The surgeons found blood pooling inside his abdomen from a longitudinal cut in a small arterial vessel in his abdominal wall, possibly a branch of his external iliac artery. The surgeons successfully controlled the hemorrhage and our patient was moved to our intensive care unit. Our patient recovered completely over the next few days, without any neurological deficits. CONCLUSIONS: We suspect that blood began to pool in our patient's superior abdomen during surgery, and that increased intra-abdominal pressure suppressed the hemorrhage. When our patient was returned to the horizontal position and insufflation of his abdomen was discontinued, the resulting increased rate of hemorrhage caused a sudden drop in blood pressure. Surgeons and anesthesiologists must understand the hemodynamic changes that result from head-down patient positioning and abdominal insufflation.

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BACKGROUND: In 2005, "anti-N-methyl-d-aspartate (NMDA) receptor encephalitis," a syndrome with prominent psychiatric symptoms, memory loss, decrease in level of consciousness, and central hypoventilation, was described in young women with ovarian teratomas and antibodies against an antigen highly expressed in the hippocampus. This report highlights the growing need for increased awareness among psychiatrists and other relevant medical professionals about this under-diagnosed disorder, which should be considered in differential diagnoses. CASE PRESENTATION: A 19-year-old female with no psychiatric history presented to a district general hospital with acute psychosis, emotional lability, memory deficit, fluctuating behavioral changes such as wandering and babbling, and seizure. She was admitted to the hospital with a provisional diagnosis of dissociative disorder. Soon after admission, she developed aspiration pneumonia and was intubated for mechanical ventilation. She was transferred to our hospital for further assessment and admitted to the intensive care unit for ventilation. Laboratory test results were unremarkable, but her EEG showed non-specific slowing with no epileptiform activity, and brain computed tomography (CT) and MRI also showed no remarkable findings. Cerebrospinal fluid (CSF) analysis showed an elevated white blood cell count (15 cells/hpf; 70 % lymphocytes), and blood serum and CSF samples tested positive for NMDA receptor antibodies. Abdominal contrast-enhanced CT revealed an ovarian teratoma, which was subsequently removed laparoscopically. Postoperative immunotherapy (steroids, intravenous immunoglobulin, and plasmapheresis) led to gradual improvement. On day 25 of hospitalization, neuropsychological assessment demonstrated that overall, she had returned to her premorbid level of functioning. Her condition substantially improved over several months of cognitive rehabilitation, and she was eventually discharged on day 75. CONCLUSIONS: Anti-NMDA receptor encephalitis, a form of autoimmune encephalitis, is commonly associated with tumors and often misdiagnosed. Diagnosis can be confirmed by detecting NMDA receptor antibodies in the patient's serum or CSF. Management can be achieved with immunosuppressive therapy and tumor resection.

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Mitral valve stenosis (MS) associated with rheumatic disease no longer represents a major heart problem during the perinatal period in Japan. Here we present a case of acute heart failure due to MS after emergency cesarean section (CS). The patient was transferred due to the development of fetal distress at 36 weeks gestation and underwent an emergency CS under general anesthesia. She developed acute heart failure immediately postoperatively and was diagnosed with MS associated with pulmonary artery hypertension for the first time. She underwent percutaneous transvenous mitral commissurotomy and was discharged from our hospital in good condition.

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We report a case of impossible ventilation in a patient with severe nasal bleeding. A 47-year-old man with intractable nasal bleeding was scheduled for emergent hemostasis under general anesthesia. He also had alcohol-related cirrhosis and was highly obese (165 cm, 93 kg). Although he sufficiently fasted and did not experience nausea in the supine position, we planned crash intubation in the head-elevated position with the Pentax-AWS Airwayscope (AWS) in order to avoid vomiting after induction of anesthesia. After fentanyl, propofol, and rocuronium administration, the patient vomited a large amount of blood, which led to a deterioration of SpO2. Mask ventilatidn was impossible even after oral suctioning. We intubated the trachea with the Macintosh laryngoscope and suctioned blood from the trachea; SpO2 gradually improved and the trachea was washed with a large amount of normal saline. The patient was transferred to the intensive care unit and extubated uneventfully on day 3 postoperatively.

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