Shigeki Fujitani

Association of body temperature and antipyretic treatments with mortality of critically ill patients with and without sepsis: multi-centered prospective observational study

IntroductionFever is frequently observed in critically ill patients. An independent association of fever with increased mortality has been observed in non-neurological critically ill patients with mixed febrile etiology. The association of fever and antipyretics with mortality, however, may be different between infective and non-infective illness.MethodsWe designed a prospective observational study to investigate the independent association of fever and the use of antipyretic treatments with mortality in critically ill patients with and without sepsis. We included 1,425 consecutive adult critically ill patients (without neurological injury) requiring > 48 hours intensive care admitted in 25 ICUs. We recorded four-hourly body temperature and all antipyretic treatments until ICU discharge or 28 days after ICU admission, whichever occurred first. For septic and non-septic patients, we separately assessed the association of maximum body temperature during ICU stay (MAXICU) and the use of antipyretic treatments with 28-day mortality.ResultsWe recorded body temperature 63,441 times. Antipyretic treatment was given 4,863 times to 737 patients (51.7%). We found that treatment with non-steroidal anti-inflammatory drugs (NSAIDs) or acetaminophen independently increased 28-day mortality for septic patients (adjusted odds ratio: NSAIDs: 2.61, P = 0.028, acetaminophen: 2.05, P = 0.01), but not for non-septic patients (adjusted odds ratio: NSAIDs: 0.22, P = 0.15, acetaminophen: 0.58, P = 0.63). Application of physical cooling did not associate with mortality in either group. Relative to the reference range (MAXICU 36.5°C to 37.4°C), MAXICU ≥ 39.5°C increased risk of 28-day mortality in septic patients (adjusted odds ratio 8.14, P = 0.01), but not in non-septic patients (adjusted odds ratio 0.47, P = 0.11).ConclusionsIn non-septic patients, high fever (≥ 39.5°C) independently associated with mortality, without association of administration of NSAIDs or acetaminophen with mortality. In contrast, in septic patients, administration of NSAIDs or acetaminophen independently associated with 28-day mortality, without association of fever with mortality. These findings suggest that fever and antipyretics may have different biological or clinical or both implications for patients with and without sepsis.Trial registrationClinicalTrials.gov: NCT00940654

A new method to detect cerebral blood flow waveform in synchrony with chest compression by near-infrared spectroscopy during CPR.

OBJECTIVE The objective of the study is to demonstrate the utility of near-infrared spectroscopy (NIRS) in evaluating chest compression (CC) quality in cardiac arrest (CA) patients as well as determine its prognosis predictive value. METHODS We present a nonconsecutive case series of adult patients with CA whose cardiopulmonary resuscitation (CPR) was monitored with NIRS and collected the total hemoglobin concentration change (ΔcHb), the tissue oxygen index (TOI), and the ΔTOI to assess CC quality in a noninvasive fashion. RESULTS During CPR, ΔcHb displayed waveforms monitor, which we regarded as a surrogate for CC quality. Total hemoglobin concentration change waveforms responded accurately to variations or cessations of CCs. In addition, a TOI greater than 40% measured upon admission appears to be significant in predicting patients outcome. Of 15 patients, 6 had a TOI greater than 40% measured upon admission, and 67% of the latter were in return of spontaneous circulation after CPR and were found to be significantly different between return of spontaneous circulation and death (P = .047; P < .05). CONCLUSION Near-infrared spectroscopy reliably assesses the quality of CCs in patients with CA demonstrated by synchronous waveforms during CPR and possible prognostic predictive value, although further investigation is warranted.

Low-dose continuous renal replacement therapy for acute kidney injury.

Background: Continuous renal replacement therapy (CRRT) is used increasingly to treat acute kidney injury (AKI), which is a common condition in the intensive care unit (ICU). However, the optimal CRRT dose for the treatment of AKI is still a matter of controversy This study was conducted to ascertain the minimal dose of CRRT that can be effective on AKI patient outcomes. Methods: This was a retrospective observational study in two ICUs of academic medical centers in Japan. Patients aged 15 years or older admitted to the ICUs from January 2007 to July 2010 and treated with CRRT for AKI during their ICU stay were included. Data were retrospectively collected from patient records. Patients were categorized by doses that were above (higher-dose group) or below (lower-dose group) the median. Major outcome measures were hospital mortality, ICU mortality, and renal recovery at hospital discharge. Results: 131 AKI patients were treated with continuous veno-venous hemodiafiltration (CVVHDF) during the study period. The median dose of CVVHDF was 16 ml/kg per hr (IQR = 14 to 20). Hospital mortality was 44%, which was significantly lower than the predicted mortality (56%, p<0.01). Patients who received lower-dose CRRT tend to have lower mortality rates (36% vs. higher-dose 53%; p = 0.055). Conclusions: We found that low-dose CRRT did not increase mortality in critically ill patients with AKI. We also found that AKI patients treated with lower-dose CRRT non-significantly but numerically lower hospital mortality compared to higher-dose CRRT.

End-of-life considerations in the ICU in Japan: ethical and legal perspectives.

In Japan, the continuation of critical care at the end of life is a common practice due to the threat of legal action against physicians that may choose a palliative care approach. This is beginning to change due to public debate related to a series of controversial incidents concerning end-of-life care over the last decade. In this review we contrast and compare the history and evolution of end-of-life care in Japan vs. the USA and other Asian countries. Efforts by the Japanese Society of Intensive Care Medicine (JSICM) to establish better end-of-life care systems, as well as future directions in palliative care in Japan, are discussed.

Positive clinical risk factors predict a high rate of methicillin-resistant Staphylococcus aureus colonization in emergency department patients.

BACKGROUND This study was undertaken to determine the rate of methicillin-resistant Staphylococcus aureus (MRSA) colonization predicted by clinical risk factors compared with determination by nasal swab culture and polymerase chain reaction in emergency department patients. METHODS From November 2009 to March 2011, patients seen in the emergency department were studied prospectively. The risk of MRSA colonization was determined by clinical risk factors, and both surveillance cultures and a polymerase chain reaction assay were performed in each patient. RESULTS A total of 277 patients was enrolled, and 31.4% (87/277) of patients had a positive surveillance culture or a MRSA polymerase chain reaction assay. The rate of colonization in patients with high-risk factors included the following: past history of colonization/infections, 60.0%; history of previous antibiotic use, 47.2%; more than 30 days hospitalization in the past 3 months, 43.9%; more than 10 days hospitalization in the past 3 months, 41.7%; and a history of hospitalization because of acute illness, 40.0%. CONCLUSION The prevalence rate of colonization in patients with a high risk of MRSA colonization exceeded 30%. Active surveillance cultures should be considered in patients at high risk for MRSA colonization.

Difference in pulmonary permeability between indirect and direct acute respiratory distress syndrome assessed by the transpulmonary thermodilution technique: a prospective, observational, multi-institutional study

BackgroundAcute respiratory distress syndrome (ARDS) is characterized by the increased pulmonary permeability secondary to diffuse alveolar inflammation and injuries of several origins. Especially, the distinction between a direct (pulmonary injury) and an indirect (extrapulmonary injury) lung injury etiology is gaining more attention as a means of better comprehending the pathophysiology of ARDS. However, there are few reports regarding the quantitative methods distinguishing the degree of pulmonary permeability between ARDS patients due to pulmonary injury and extrapulmonary injury.MethodsA prospective, observational, multi-institutional study was performed in 23 intensive care units of academic tertiary referral hospitals throughout Japan. During a 2-year period, all consecutive ARDS-diagnosed adult patients requiring mechanical ventilation were collected in which three experts retrospectively determined the pathophysiological mechanisms leading to ARDS. Patients were classified into two groups: patients with ARDS triggered by extrapulmonary injury (ARDSexp) and those caused by pulmonary injury (ARDSp). The degree of pulmonary permeability using the transpulmonary thermodilution technique was obtained during the first three intensive care unit (ICU) days.ResultsIn total, 173 patients were assessed including 56 ARDSexp patients and 117 ARDSp patients. Although the Sequential Organ Failure Assessment (SOFA) score was significantly higher in the ARDSexp group than in the ARDSp group, measurements of the pulmonary vascular permeability index (PVPI) were significantly elevated in the ARDSp group on all days: at day 0 (2.9 ± 1.3 of ARDSexp vs. 3.3 ± 1.3 of ARDSp, p = .008), at day 1 (2.8 ± 1.5 of ARDSexp vs. 3.2 ± 1.2 of ARDSp, p = .01), at day 2 (2.4 ± 1.0 of ARDSexp vs. 2.9 ± 1.3 of ARDSp, p = .01). There were no significant differences in mortality at 28 days, mechanical ventilation days, and hospital length of stay between the two groups.ConclusionsThe results of this study suggest the existence of several differences in the increased degree of pulmonary permeability between patients with ARDSexp and ARDSp.Trial registrationThis report is a sub-group analysis of the study registered with UMIN-CTR (IDUMIN000003627).

Association of code status discussion with invasive procedures among advanced-stage cancer and noncancer patients

Background Code status discussion is associated with a decrease in invasive procedures among terminally ill cancer patients. We investigated the association between code status discussion on admission and incidence of invasive procedures, cardiopulmonary resuscitation (CPR), and opioid use among inpatients with advanced stages of cancer and noncancer diseases. Methods We performed a retrospective cohort study in a single center, Ito Municipal Hospital, Japan. Participants were patients who were admitted to the Department of Internal Medicine between October 1, 2013 and August 30, 2015, with advanced-stage cancer and noncancer. We collected demographic data and inquired the presence or absence of code status discussion within 24 hours of admission and whether invasive procedures, including central venous catheter placement, intubation with mechanical ventilation, and CPR for cardiac arrest, and opioid treatment were performed. We investigated the factors associated with CPR events by using multivariate logistic regression analysis. Results Among the total 232 patients, code status was discussed with 115 patients on admission, of which 114 (99.1%) patients had do-not-resuscitate (DNR) orders. The code status was not discussed with the remaining 117 patients on admission, of which 69 (59%) patients had subsequent code status discussion with resultant DNR orders. Code status discussion on admission decreased the incidence of central venous catheter placement, intubation with mechanical ventilation, and CPR in both cancer and noncancer patients. It tended to increase the rate of opioid use. Code status discussion on admission was the only factor associated with the decreased use of CPR (P<0.001, odds ratio =0.03, 95% CI =0.004–0.21), which was found by using multivariate logistic regression analysis. Conclusion Code status discussion on admission is associated with a decrease in invasive procedures and CPR in cancer and noncancer patients. Physicians should be educated about code status discussion to improve end-of-life care.

Utility of Glissonean Pedicle Transection for Surgical Treatment of Severe Liver Trauma

The most common initial strategy for treatment of severe liver trauma is damage control in which hemostasis is achieved by perihepatic gauze packing and/or vascular embolization. However, we encounter patients in whom this strategy alone is not adequate. We have applied the principles of Glissonean pedicle transection, a technique that was originally devised to ensure safe and quick performance of planned hepatectomy for liver cancer, to 3 cases of severe liver trauma. We performed Glissonean pedicle ligation during damage control surgery in 2 patients and Glissonean pedicle transection during the definitive surgery in 1 patient. We describe the approaches and our experience with them, including operation times and outcomes. From our experience thus far, it seems that 8–12 h after the damage control procedure is appropriate for performing the definitive surgery. Although there are some problems posed by this strategy and cases to which it will not be applicable, the method seems to be particularly useful for cases of severe liver trauma in which the damage is extensive and involves the Glissonean pedicles near the hepatic hilus. We describe our 3 cases in detail and review our experience in light of the available literature.

A retrospective study of in‐hospital cardiac arrest

In‐hospital cardiac arrest is an important issue in health care today. Data regarding in‐hospital cardiac arrest in Japan is limited. In Australia and the USA, the Rapid Response System has been implemented in many institutions and data regarding in‐hospital cardiac arrest are collected to evaluate the efficacy of the Rapid Response System. This is a multicenter retrospective survey of in‐hospital cardiac arrest, providing data before implementing a Rapid Response System.

Efficacy of serum semi-quantitative procalcitonin measurement kit PCT-Q□ for bacteremia

Background: Serum procalcitonin (PCT) concentration has been used as a specific biomarker for diagnosis and severity of the bacterial infections. Although data of quantitative PCT concentration for bacterial infections have been accumulated, clinical implications for semi-quantitative PCT concentration have not been well defined. Thus, we report the clinical utility of PCT-Q especially for cases with bacteremia. Methods: PCT-Q concentration was measured in those who were suspected bacterial infections among all patients who were evaluated in our Emergency Department from September 2007 to March 2008. PCT-Q concentration was divided into four classes (<0.5, > = 0.5, > = 2.0, > = 10.0ng/mL) and above 0.5ng/mL that was the cut-off value were defined as bacterial infections. We compared the results of PCT-Q with quantitative PCT concentration, white blood cells (WBC) and C-reactive protein (CRP). The results of blood culture of all recruited patients were collected and the results of PCT-Q positive for bacteremia were also analyzed. Furthermore we compared the rates of detection of Methicillin-resistant Staphylococcus aureus (MRSA) in this period with that of previous one year. Results: A total of 291 patients among all 16,700 patients were evaluated. The concentration between PCT-Q and quantitative PCT were almost concordant. Discordance between PCT-Q concentration and WBC was observed, while significant correlation between PCT-Q concentration and CRP concentration was obtained. The sensitivity and specificity of PCT-Q among patients with bacteremia was 72.1% and 64.4%, respectively. The rate of detection of MRSA fell from 6.5% (50/766) to 3.8% (29/773). Conclusion: PCT-Q is useful for diagnosing severe bacterial infections including bacteremia. PCT-Q could be useful to restrain from the emergence of bacterial resistant strains by decreasing unnecessary antimicrobial usage.