The Japanese Clinical Practice Guidelines for Management of Sepsis and Septic Shock 2020 (J‐SSCG 2020), a Japanese‐specific set of clinical practice guidelines for sepsis and septic shock created as revised from J‐SSCG 2016 jointly by the Japanese Society of Intensive Care Medicine and the Japanese Association for Acute Medicine, was first released in September 2020 and published in February 2021. An English‐language version of these guidelines was created based on the contents of the original Japanese‐language version. The purpose of this guideline is to assist medical staff in making appropriate decisions to improve the prognosis of patients undergoing treatment for sepsis and septic shock. We aimed to provide high‐quality guidelines that are easy to use and understand for specialists, general clinicians, and multidisciplinary medical professionals. J‐SSCG 2016 took up new subjects that were not present in SSCG 2016 (e.g., ICU‐acquired weakness [ICU‐AW], post‐intensive care syndrome [PICS], and body temperature management). The J‐SSCG 2020 covered a total of 22 areas with four additional new areas (patient‐ and family‐centered care, sepsis treatment system, neuro‐intensive treatment, and stress ulcers). A total of 118 important clinical issues (clinical questions, CQs) were extracted regardless of the presence or absence of evidence. These CQs also include those that have been given particular focus within Japan. This is a large‐scale guideline covering multiple fields; thus, in addition to the 25 committee members, we had the participation and support of a total of 226 members who are professionals (physicians, nurses, physiotherapists, clinical engineers, and pharmacists) and medical workers with a history of sepsis or critical illness. The GRADE method was adopted for making recommendations, and the modified Delphi method was used to determine recommendations by voting from all committee members. As a result, 79 GRADE‐based recommendations, 5 Good Practice Statements (GPS), 18 expert consensuses, 27 answers to background questions (BQs), and summaries of definitions and diagnosis of sepsis were created as responses to 118 CQs. We also incorporated visual information for each CQ according to the time course of treatment, and we will also distribute this as an app. The J‐SSCG 2020 is expected to be widely used as a useful bedside guideline in the field of sepsis treatment both in Japan and overseas involving multiple disciplines.
The Japanese Clinical Practice Guidelines for Management of Sepsis and Septic Shock 2020 (J-SSCG 2020), a Japanese-specific set of clinical practice guidelines for sepsis and septic shock created as revised from J-SSCG 2016 jointly by the Japanese Society of Intensive Care Medicine and the Japanese Association for Acute Medicine, was first released in September 2020 and published in February 2021. An English-language version of these guidelines was created based on the contents of the original Japanese-language version. The purpose of this guideline is to assist medical staff in making appropriate decisions to improve the prognosis of patients undergoing treatment for sepsis and septic shock. We aimed to provide high-quality guidelines that are easy to use and understand for specialists, general clinicians, and multidisciplinary medical professionals. J-SSCG 2016 took up new subjects that were not present in SSCG 2016 (e.g., ICU-acquired weakness [ICU-AW], post-intensive care syndrome [PICS], and body temperature management). The J-SSCG 2020 covered a total of 22 areas with four additional new areas (patient- and family-centered care, sepsis treatment system, neuro-intensive treatment, and stress ulcers). A total of 118 important clinical issues (clinical questions, CQs) were extracted regardless of the presence or absence of evidence. These CQs also include those that have been given particular focus within Japan. This is a large-scale guideline covering multiple fields; thus, in addition to the 25 committee members, we had the participation and support of a total of 226 members who are professionals (physicians, nurses, physiotherapists, clinical engineers, and pharmacists) and medical workers with a history of sepsis or critical illness. The GRADE method was adopted for making recommendations, and the modified Delphi method was used to determine recommendations by voting from all committee members.As a result, 79 GRADE-based recommendations, 5 Good Practice Statements (GPS), 18 expert consensuses, 27 answers to background questions (BQs), and summaries of definitions and diagnosis of sepsis were created as responses to 118 CQs. We also incorporated visual information for each CQ according to the time course of treatment, and we will also distribute this as an app. The J-SSCG 2020 is expected to be widely used as a useful bedside guideline in the field of sepsis treatment both in Japan and overseas involving multiple disciplines.
During nitric oxide (NO) inhalation therapy, NO combines with deoxyhemoglobin to form nitrosyl hemoglobin (HbNO). We used electron spin resonance (ESR) spectroscopy to measure HbNO in arterial and mixed venous blood of normoxic and hypoxic sheep during NO inhalation. Our aim was to quantitatively measure HbNO levels in the blood during NO inhalation, because large amounts of HbNO reduce the oxygen capacity of blood, particularly in hypoxia. Another aim was to investigate the transfer of exogenous NO to the α-heme iron of hemoglobin. Thirteen sheep were anesthetized with pentobarbital sodium, and 60 parts per million (ppm) NO were administered for 1 h in the presence of normoxia and hypoxia. Two-way analysis of variance revealed that the HbNO level was dependent on the oxygen level (normoxia vs. hypoxia) and NO inhalation, and there was a significant negative correlation between the HbNO level and arterial O2 saturation ([Formula: see text]). Although the HbNO level increased during NO inhalation in hypoxia, the HbNO level at[Formula: see text] >60% was <11 μmol/l monomer hemoglobin (0.11% of total 10 mmol/l monomer hemoglobin). The peak of the HbNO ESR spectrum in arterial blood is located in almost the same position in mixed venous blood with an asymmetric HbNO signal, indicating that the NO in β-heme HbNO molecules had been transferred to α-heme molecules. The three-line hyperfine structure of HbNO on ESR spectra was distinct in venous blood in hypoxia during NO inhalation, indicating pentacoordinate α-NO heme formation in hypoxic blood. In conclusion, the amount of HbNO during 60 ppm NO inhalation did not considerably reduce the oxygen capacity of the blood even in the presence of hypoxia, and the NO of HbNO was transferred to the α-heme iron of hemoglobin, forming pentacoordinate α-NO heme in mixed venous blood in hypoxia.
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