Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an inherited genetic disorder caused by red cell enzymatic defects and is associated with haemolytic crisis when patients are exposed to oxidative agents (fava beans, drugs, infections).Hydroxychloroquine is suspected to trigger haemolytic crisis in G6PD-deficient patients, and off-label administration of this drug to patients infected with the novel coronavirus (SARS-CoV-2) could cause concern. We report here the first case of severe haemolytic crisis in a patient with G6PD deficiency, initiated by severe COVID-19 infection and hydroxychloroquine use. With worldwide spread of COVID-19, especially in regions with a high prevalence of G6PD deficiency, our case should alert physicians to this possible correlation.
Introduction: Massive acute pulmonary embolism (MAPE) with obstructive cardiogenic shock is associated with a mortality rate of more than 50%. Venoarterial extracorporeal membrane oxygenation (VA-ECMO) has been increasingly used in refractory cardiogenic shock with very good results. In MAPE, although it is currently recommended as part of initial resuscitation, it is not yet considered a stand-alone therapy. Material and Methods: All patients with MAPE requiring the establishment of VA-ECMO and admitted to our tertiary intensive care unit were analysed over a period of 10 years. The characteristics of these patients, before, during and after ECMO were extracted and analysed. Results: A total of 36 patients were included in the present retrospective study. Overall survival was 64%. In the majority of cases, the haemodynamic and respiratory status of the patient improved significantly within the first 24 h on ECMO. The 30-day survival significantly increased when ECMO was used as stand-alone therapy (odds ratio (OR) 15.58, 95% confidence interval (CI) 2.65–91.57, p = 0.002). Nevertheless, when ECMO was implanted following the failure of thrombolysis, the bleeding complications were major (17 (100%) vs. 1 (5.3%) patients, p < 0.001) and the 30-day mortality increased significantly (OR 0.11, 95% CI 0.022–0.520, p = 0.006). Conclusions: The present retrospective study is certainly one of the most important in terms of the number of patients with MAPE and shock treated with VA-ECMO. This short-term mechanical circulatory support, used as a stand-alone therapy in MAPE, allows for the optimal stabilisation of patients.
Ketamine is often added to opioids in patient-controlled analgesia devices. We tested whether in surgical patients, ketamine added to an opioid patient-controlled analgesia decreased pain intensity by ≥25%, cumulative opioid consumption by ≥30%, the risk of postoperative nausea and vomiting by ≥30%, the risk of respiratory adverse effects by ≥50%, and increased the risk of hallucination not more than 2-fold. In addition, we searched for evidence of dose-responsiveness. Nineteen randomized trials (1349 adults, 104 children) testing different ketamine regimens added to various opioids were identified through searches in databases and bibliographies (to 04.2016). In 9 trials (595 patients), pain intensity at rest at 24 hours was decreased by 32% with ketamine (weighted mean difference -1.1 cm on the 0-10 cm visual analog scale [98% CI, -1.8 to -0.39], P < 0.001). In 7 trials (495 patients), cumulative 24 hours morphine consumption was decreased by 28% with ketamine (weighted mean difference -12.9 mg [-22.4 to -3.35], P = 0.002). In 7 trials (435 patients), the incidence of postoperative nausea and vomiting was decreased by 44% with ketamine (risk ratio 0.56 [0.40 to 0.78], P < 0.001). There was no evidence of a difference in the incidence of respiratory adverse events (9 trials, 871 patients; risk ratio 0.31 [0.06 to 1.51], P = 0.08) or hallucination (7 trials, 690 patients; odds ratio 1.16 [0.47 to 2.79], P = 0.70). Trial sequential analyses confirmed the significant benefit of ketamine on pain intensity, cumulative morphine consumption, and postoperative nausea and vomiting and its inability to double the risk of hallucination. The available data did not allow us to make a conclusion on respiratory adverse events or to establish dose-responsiveness.
Introduction Current knowledge on the use of extracorporeal membrane oxygenation (ECMO) in COVID‐19 remains limited to small series and registry data. In the present retrospective monocentric study, we report on our experience, our basic principles, and our results in establishing and managing ECMO in critically ill COVID‐19 patients. Methods A cohort study was conducted in patients with severe acute respiratory distress syndrome (ARDS) related to COVID‐19 pneumonia admitted to the ICU of the Geneva University Hospitals and supported by VV‐ECMO from March 14 to May 31. The VV‐ECMO implementation criteria were defined according to an institutional algorithm validated by the local crisis unit and the Swiss Society of Intensive Care Medicine. Results Out of 137 ARDS patients admitted to our ICU, 10 patients (age 57 ± 4 years, BMI 31.5 ± 5 kg/m2, and SAPS II score 56 ± 3) were put on VV‐ECMO. The mean duration of mechanical ventilation before ECMO and mean time under ECMO were 7 ± 3 days and 19 ± 11 days, respectively. The ICU and hospital length of stay were 26 ± 11 and 35 ± 10 days, respectively. The survival rate for patients on ECMO was 40%. The comparative analysis between survivors and non‐survivors highlighted that survivors had a significantly shorter mechanical ventilation duration before ECMO (4 ± 2 days vs. 9 ± 2 days, p = 0.01). All the patients who had more than 150 h of mechanical ventilation before the application of ECMO ultimately died. Conclusion The present results suggest that VV‐ECMO can be safely utilized in appropriately selected COVID‐19 patients with refractory hypoxemia. The main information for clinicians is that late VV‐ECMO therapy (i.e., beyond the seventh day of mechanical ventilation) seems futile.
Rationale: Preoperative poor physical fitness and respiratory muscle weakness are associated with postoperative pulmonary complications that result in prolonged hospital length of stay and increased mortality. Objectives: Examine the effect of preoperative exercise training on the risk of postoperative pulmonary complications across different surgical settings. Methods: We searched MEDLINE, Web of Science, Embase, Pedro, and the Cochrane Central Register, without language restrictions, for studies from inception to July, 2020. We included randomized controlled trials that compared patients receiving exercise training with those receiving usual care or sham training before cardiac, lung, esophageal, or abdominal surgery. Postoperative pulmonary complications were the main outcome; secondary outcomes were preoperative functional changes, postoperative mortality, cardiovascular complications and hospital length of stay. The study was registered with PROSPERO (N° CRD42018096956). Results: From 29 studies, 2'070 patients were pooled for meta-analysis. Compared to the control group, preoperative exercise training was associated with a lower incidence of postoperative pulmonary complications (23 studies, 1'864 patients, [RR] 0.52; 95% CI 0.41-0.66, grading of evidence: moderate); Trial Sequential Analysis confirmed effectiveness and there was no evidence of difference of effect across surgeries, type of training (respiratory muscles, endurance or combined) and preoperative duration of training. At the end of the preoperative period, exercise training resulted in increased peak oxygen uptake (weighted mean difference [WMD] +2 ml/kg/min, 99%CI 0.3 to 3.7) and higher maximal inspiratory pressure (WMD +12.2
Rationale: Preoperative poor physical fitness and respiratory muscle weakness are associated with postoperative pulmonary complications that result in prolonged hospital length of stay and increased mortality. Objectives: Examine the effect of preoperative exercise training on the risk of postoperative pulmonary complications across different surgical settings. Methods: We searched MEDLINE, Web of Science, Embase, Pedro, and the Cochrane Central Register, without language restrictions, for studies from inception to July, 2020. We included randomized controlled trials that compared patients receiving exercise training with those receiving usual care or sham training before cardiac, lung, esophageal, or abdominal surgery. Postoperative pulmonary complications were the main outcome; secondary outcomes were preoperative functional changes, postoperative mortality, cardiovascular complications and hospital length of stay. The study was registered with PROSPERO (N° CRD42018096956). Results: From 29 studies, 2'070 patients were pooled for meta-analysis. Compared to the control group, preoperative exercise training was associated with a lower incidence of postoperative pulmonary complications (23 studies, 1'864 patients, [RR] 0.52; 95% CI 0.41-0.66, grading of evidence: moderate); Trial Sequential Analysis confirmed effectiveness and there was no evidence of difference of effect across surgeries, type of training (respiratory muscles, endurance or combined) and preoperative duration of training. At the end of the preoperative period, exercise training resulted in increased peak oxygen uptake (weighted mean difference[WMD] +2 ml/kg/min, 99%CI 0.3 to 3.7) and higher maximal inspiratory pressure (WMD +12.2
OBJECTIVES: Sepsis is a common condition in the ICU. Despite much research, its prognosis remains poor. In 2017, a retrospective before/after study reported promising results using a combination of thiamine, ascorbic acid, and hydrocortisone called “metabolic resuscitation cocktail” and several randomized controlled trials assessing its effectiveness were performed. DESIGN: We conducted a systematic review and meta-analysis of randomized controlled trials in septic ICU patients to assess the effects of this combination therapy. SETTING: PubMed, Embase, and the Cochrane library databases were searched from inception to March of 2021. Data were extracted independently by two authors. The main outcome was the change in Sequential Organ Failure Assessment score within 72 hours. Secondary outcomes included renal composite endpoints (acute kidney injury) Kidney Disease - Improving Global Outcome organization stage 3 or need for renal replacement therapy, vasopressor duration, and 28-day mortality. SUBJECTS: We included randomized controlled trials with patients admitted to the ICU with sepsis or septic shock. INTERVENTION: The trials compared a combination of thiamine, ascorbic acid, and hydrocortisone to standard care or placebo in patients admitted to ICU with sepsis or septic shock. MEASUREMENTS AND MAIN RESULTS: We included eight randomized controlled trials (n = 1,335 patients). Within 72 hours, the median of mean improvement was –1.8 and –3.2 in the control and intervention groups, respectively (eight randomized controlled trials, n = 1,253 patients); weighted mean difference –0.82 (95% CI, –1.15 to –0.48). Data were homogeneous and the funnel plot did not suggest any publication bias. Duration of vasopressor requirement was significantly reduced in the intervention group (six randomized controlled trials). There was no evidence of a difference regarding the ICU mortality and the renal composite outcome (acute kidney injury KDIGO 3 or need for renal replacement therapy, seven randomized controlled trials). CONCLUSIONS: Metabolic resuscitation cocktail administrated in ICU septic patients improves change in Sequential Organ Failure Assessment score within 72 hours. However, this improvement is modest and its clinical relevance is questionable. The impact on renal failure and mortality remains unclear.
Cardiac arrest (CA) is a frequent cause of death and a major public health issue. To date, conventional cardiopulmonary resuscitation (CPR) is the only efficient method of resuscitation available that positively impacts prognosis. Extracorporeal membrane oxygenation (ECMO) is a complex and costly technique that requires technical expertise. It is not considered standard of care in all hospitals and should be applied only in high-volume facilities. ECMO combined with CPR is known as ECPR (extracorporeal cardiopulmonary resuscitation) and permits hemodynamic and respiratory stabilization of patients with CA refractory to conventional CPR. This technique allows the parallel treatment of the underlying etiology of CA while maintaining organ perfusion. However, current evidence does not support the routine use of ECPR in all patients with refractory CA. Therefore, an appropriate selection of patients who may benefit from this procedure is key. Reducing the duration of low blood flow by means of performing high-quality CPR and promoting access to ECPR, may improve the survival rate of the patients presenting with refractory CA. Indeed, patients who benefit from ECPR seem to carry better neurological outcomes. The aim of this present narrative review is to present the most recent literature available on ECPR and to clarify its potential therapeutic role, as well as to provide an in-depth explanation of equipment and its set up, the patient selection process, and the patient management post-ECPR.
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