This study shows that dexmedetomidine is an effective sedative drug for patients with NIV.
Dexmedetomidine hydrochloride is a potent, highly selective alpha-2 adrenergic receptor agonist, broadly used as a sedative drug in intensive care units. We describe the case of a 59-yr-old patient who experienced drug fever caused by dexmedetomidine hydrochloride. The patient was transferred to the intensive care unit with an abdominal aortic aneurysm rupture. After initiation of sedation with dexmedetomidine hydrochloride, he developed pyrexia of more than 39 degrees C. This symptom improved rapidly 7 h after stopping dexmedetomidine hydrochloride. Other possible causes (such as infection) were sequentially eliminated.
We determined an APACHE II score of more than 17 and a respiratory rate of more than 25 breaths x min(-1) after 1 h of NIV as factors predicting the need for endotracheal intubation in ALI patients treated with NIV.
Beta-adrenergic receptor blockers have proved to be effective for the management of various cardiovascular diseases and the prevention of perioperative cardiac events and cerebrovascular accidents. Landiolol is a short-acting beta-blocker, with high beta 1-selectivity and a short duration of action. We thought landiolol was valuable and suitable for intensive care unit (ICU) patients, and conducted a retrospective study. The records of 80 patients (58 post-surgical patients; group S and 22 internal medicine patients; group IM) were reviewed. Thirty-seven (64%) of the group S patients were post-coronary artery bypass graft surgery, and the IM group consisted mostly of patients with acute myocardial infarction. The most common indication for landiolol in group S was the prevention of myocardial ischemia (50%), and in group IM, it was atrial fibrillation (45%). The median infusion rate of landiolol was 5 microg.kg(-1).min(-1) and the median infusion time was 2 days. Twenty-six patients were continued on oral beta-adrenergic receptor blockers. Landiolol reduced heart rate significantly without reducing blood pressure, and stabilized hemodynamics. We confirmed that landiolol is valuable as a bridge to starting oral beta-adrenergic receptor blockers and as an anti-arrhythmic agent, and that it is suitable for ICU patients due to its high beta 1-selectivity and rapid onset and offset of action.
Aim To examine the change in vertebral bone mineral density (BMD) using abdominal computed tomography in patients treated for sepsis. Methods A single‐center, retrospective, observational study was undertaken to evaluate BMD after critical care at Okayama Saiseikai General Hospital (Okayama, Japan) from January 2016 to April 2018. Sepsis was defined as an absolute increase of ≥2 in Sequential Organ Failure Assessment score in the intensive care unit or high care unit. Bone mineral density was evaluated in Hounsfield units (HU) by computed tomography. Patients were divided into groups based on the presence or absence of osteoporosis, which was defined as average vertebral body HU <110. Paired t‐tests were used to compare the mean BMD of each vertebra between before and after critical care. We also analyzed accidental bone fracture events after discharge. The survival rate was analyzed as an outcome using the Kaplan–Meier method. Results Fifty‐two of 188 patients met the inclusion criteria. We found significant differences between admission and follow‐up vertebral BMD values in the spine at the thoracic 12, lumbar 1–5, and sacrum 1 levels (P < 0.05), especially in the non‐osteoporosis groups. No difference in mortality was observed between patients with osteoporosis and those without. Two of 19 patients with osteoporosis developed a bone fracture. Conclusion We found that sepsis was associated with loss in BMD following critical care.
Aortic cross-clamping leads to the development of metabolic acidosis, with a decrease in pH and BE. The effect of administration of bicarbonated infusion fluid during elective abdominal aortic surgery had not significant compared with that of acetated Ringer's solution with respect to acid-base homeostasis.
Background The joint committee of the Japanese Society of Intensive Care Medicine/Japanese Respiratory Society/Japanese Society of Respiratory Care Medicine on ARDS Clinical Practice Guideline has created and released the ARDS Clinical Practice Guideline 2021. Methods The 2016 edition of the Clinical Practice Guideline covered clinical questions (CQs) that targeted only adults, but the present guideline includes 15 CQs for children in addition to 46 CQs for adults. As with the previous edition, we used a systematic review method with the Grading of Recommendations Assessment Development and Evaluation (GRADE) system as well as a degree of recommendation determination method. We also conducted systematic reviews that used meta-analyses of diagnostic accuracy and network meta-analyses as a new method. Results Recommendations for adult patients with ARDS are described: we suggest against using serum C-reactive protein and procalcitonin levels to identify bacterial pneumonia as the underlying disease (GRADE 2D); we recommend limiting tidal volume to 4–8 mL/kg for mechanical ventilation (GRADE 1D); we recommend against managements targeting an excessively low SpO2 (PaO2) (GRADE 2D); we suggest against using transpulmonary pressure as a routine basis in positive end-expiratory pressure settings (GRADE 2B); we suggest implementing extracorporeal membrane oxygenation for those with severe ARDS (GRADE 2B); we suggest against using high-dose steroids (GRADE 2C); and we recommend using low-dose steroids (GRADE 1B). The recommendations for pediatric patients with ARDS are as follows: we suggest against using non-invasive respiratory support (non-invasive positive pressure ventilation/high-flow nasal cannula oxygen therapy) (GRADE 2D), we suggest placing pediatric patients with moderate ARDS in the prone position (GRADE 2D), we suggest against routinely implementing NO inhalation therapy (GRADE 2C), and we suggest against implementing daily sedation interruption for pediatric patients with respiratory failure (GRADE 2D). Conclusions This article is a translated summary of the full version of the ARDS Clinical Practice Guideline 2021 published in Japanese (URL: https://www.jsicm.org/publication/guideline.html). The original text, which was written for Japanese healthcare professionals, may include different perspectives from healthcare professionals of other countries.
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