BackgroundHaemorrhagic shock is a major cause of death in the acute care setting. Since 2009, our emergency department has used intra-aortic balloon occlusion (IABO) catheters for resuscitative endovascular balloon occlusion of the aorta (REBOA).MethodsREBOA procedures were performed by one or two trained acute care physicians in the emergency room (ER) and intensive care unit (ICU). IABO catheters were positioned using ultrasonography. Collected data included clinical characteristics, haemorrhagic severity, blood cultures, metabolic values, blood transfusions, REBOA-related complications and mortality.ResultsSubjects comprised 25 patients (trauma, n = 16; non-trauma, n = 9) with a median age of 69 years and a median shock index of 1.4. REBOA was achieved in 22 patients, but failed in three elderly trauma patients. Systolic blood pressure significantly increased after REBOA (107 vs. 71 mmHg, p < 0.01). Five trauma patients (20 %) died in ER, and mortality rates within 24 h and 60 days were 20 % and 12 %, respectively. No REBOA-related complications were encountered. The total occlusion time of REBOA was significantly lesser in survivors than that in non-survivors (52 vs. 97 min, p < 0.01). Significantly positive correlations were found between total occlusion time of REBOA and shock index (Spearman’s r = 0.6) and lactate concentration (Spearman’s r = 0.7) in survivors.ConclusionREBOA can be performed in ER and ICU with a high degree of technical success. Furthermore, correlations between occlusion time and initial high lactate levels and shock index may be important because prolonged occlusion is associated with a poorer outcome.
INTRODUCTIONComprehensive treatment of a patient in acute medicine and surgery requires the use of both surgical techniques and other treatment methods. Recently, acute vascular interventional radiology techniques (AVIRTs) have become increasingly popular, enabling adequately trained in-house experts to improve the quality of on-site care.METHODSAfter obtaining approval from our institutional ethics committee, we conducted a retrospective study of AVIRT procedures performed by acute care specialists trained in acute medicine and surgery over a 1-year period, including those conducted out of hours. Trained acute care specialists were required to be certified by the Japanese Association of Acute Medicine and to have completed at least 1 year of training as a member of the endovascular team in the radiology department of another university hospital. The study was designed to ensure that at least one of the physicians was available to perform AVIRT within 1 h of a request at any time. Femoral sheath insertion was usually performed by the resident physicians under the guidance of trained acute care specialists.RESULTSThe study sample comprised 77 endovascular procedures for therapeutic AVIRT (trauma, n = 29, and nontrauma, n = 48) among 62 patients (mean age, 64 years; range, 9–88 years), of which 55% were male. Of the procedures, 47% were performed out of hours (trauma, 52%; and nontrauma, 44%). Three patients underwent resuscitative endovascular balloon occlusion of the aorta in the emergency room. No major device-related complications were encountered, and the overall mortality rate within 60 days was 8%. The recorded causes of death included exsanguination (n = 2), pneumonia (n = 2), sepsis (n = 1), and brain death (n = 1).CONCLUSIONWhen performed by trained acute care specialists, AVIRT seems to be advantageous for acute on-site care and provides good technical success. Therefore, a standard training program should be established for acute care specialists or trauma surgeons to make these techniques a part of the standard regimen.LEVEL OF EVIDENCETherapy/care management study, level V.
Acute infectious endocarditis (IE) is a complex disease that presents as a serious clinical condition associated with a high mortality rate, especially due to intracranial hemorrhaging (ICH). The most common causative organism is
Staphylococcus aureus.
We herein report a patient with ICH following subacute IE with a positive blood culture for
Cardiobacterium hominis
. A review of the existing literature revealed that acute IE associated with
Cardiobacterium
has been reported to cause ICH in only seven previous cases. Prolonged culture-specific antibiotic therapy along with extended surveillance of blood culture is therefore essential for timely intervention.
Thrombectomy has demonstrated clinical efficacy against acute ischemic stroke caused by intracranial occlusion of the internal carotid artery (ICA), even if performed 6–24 h after onset. This study investigated the outcomes of thrombectomy performed 6–24 h after stroke onset caused by extracranial ICA occlusion. Of 586 stroke patients receiving thrombectomy during the past 3 years and registered in the Tama Registry of Acute Endovascular Thrombectomy database, 24 were identified with ICA occlusion (14 extracranial and 10 intracranial), known to be well 6–24 h before presentation, and with pre-stroke modified Rankin Scale (mRS) score of 0 or 1. Clinical outcomes measured were the rate of functional independence at 90 days according to mRS score of 0–2 and 90 day mortality rate. Of patients with extracranial ICA occlusion, two received additional carotid stenting with thrombectomy. The median interval between the last time the patient was known to be well and hospital arrival was 601 (interquartile range, 476–729 min). Both the rate of functional independence at 90 days and 90 day mortality were comparable between patients with extracranial or intracranial ICA occlusion (36% vs. 40% and 7% vs. 10%, respectively). No symptomatic intracranial hemorrhages occurred within 24 h following treatment of extracranial ICA occlusion. Thrombectomy performed 6–24 h after extracranial ICA results in acceptable functional outcome. Further clinical study is warranted to better define the temporal window of thrombectomy for acceptable functional outcome in patients with extracranial ICA occlusion.
Nonocclusive mesenteric ischemia (NOMI) is a rare but life-threatening post-stroke complication. This is the first case series report of NOMI after stroke, describing its characteristics and the difficulty of diagnosis. We retrospectively reviewed 367 stroke patients from April 2018 to May 2019 in our hospital. We identified six patients (1.6%) with NOMI after stroke and described their clinical presentation, including characteristics, vital signs, laboratory parameters, treatment, and outcomes. The mean interval between stroke onset and diagnosis of NOMI was 4.6 days (range, 3-10 days). Five patients had disturbance of consciousness caused by stroke, and therefore the major complaints and symptoms associated with NOMI were nonspecific, possibly resulting in delayed diagnosis and treatment. All patients had a high respiratory rate (≥22 breaths/min). C-reactive protein and lactate levels were high (mean, 21.6 mg/L and 2.4 mmol/L, respectively). All patients underwent emergent abdominal operations. Four patients were discharged with modified Rankin Scale scores ≥4, and two patients died. NOMI can be a fatal post-stroke complication and is challenging to diagnose. Further investigations should be conducted to determine the most efficient way to diagnose NOMI after stroke.
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