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2022 ◽  
Vol 12 (1) ◽  
Author(s):  
Sebastian Roth ◽  
René M’Pembele ◽  
Alexandra Stroda ◽  
Catrin Jansen ◽  
Giovanna Lurati Buse ◽  
...  

AbstractThe use of veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is increasing, but mortality remains high. Early assessment of prognosis is challenging and valid markers are lacking. This study aimed to investigate Neutrophil–Lymphocyte Ratio (NLR), Platelet-Lymphocyte-Ratio (PLR) and Procalcitonin (PCT) for early assessment of prognosis in patients undergoing VA-ECMO. This retrospective single-center cohort study included 344 consecutive patients ≥ 18 years who underwent VA-ECMO due to cardiogenic shock. Main exposures were NLR, PLR and PCT measured within 24 h after VA-ECMO initiation. The primary endpoint was all-cause in-hospital mortality. In total, 92 patients were included into final analysis (71.7% male, age 57 ± 14 years). In-hospital mortality rate was 48.9%. Receiver operating characteristics (ROC) curve revealed an area under the curve (AUC) of 0.65 [95% confidence interval (CI) 0.53–0.76] for NLR. The AUCs of PLR and PCT were 0.47 [95%CI 0.35–0.59] and 0.54 [95%CI 0.42–0.66], respectively. Binary logistic regression showed an adjusted odds ratio of 3.32 [95%CI 1.13–9.76] for NLR, 1.0 [95%CI 0.998–1.002] for PLR and 1.02 [95%CI 0.99–1.05] for PCT. NLR is independently associated with in-hospital mortality in patients undergoing VA-ECMO. However, discriminative ability is weak. PLR and PCT seem not to be suitable for this purpose.


2022 ◽  
Vol 9 (01) ◽  
pp. 5879-5890
Author(s):  
Katherine Jacoby ◽  
Ramiro Saavedra ◽  
Matthew Spanier ◽  
Joshua Huelster ◽  
Alex Campbell ◽  
...  

Survivors and non-survivors were compared for 20 adults supported with veno-arterial extracorporeal membrane oxygenation (VA ECMO) for refractory septic shock from 2012-2018. The primary outcome was hospital survival. Secondary outcomes were ECMO associated complications and survival to decannulation. Median age was 53.5 (IQR 42.0-61.3). At ≤ 24 hours prior to cannulation, median SOFA score was 17.5 (IQR 15 - 19) and 17 patients (85%) had new cardiac dysfunction. Median left ventricular ejection fraction (LVEF) was 20% (IQR 10-38). Thirteen patients had a mixed (cardiogenic and distributive) or cardiogenic shock profile (65%), 7 had a distributive shock profile (35%), and 17 (85%) survived to decannulation. Fourteen (70%) survived to hospital discharge and median cerebral performance category score was 1 (IQR 1-2). No differences were found in age, comorbid conditions, time from shock onset to cannulation, peak flow rate on ECMO, ECMO complications, shock profile, LVEF, or vasoactive-inotrope score (VIS). More patients in the distributive shock profile experienced limb ischemia complications (n=3, 42.9%) compared to the cardiogenic and mixed shock profiles (n=1, 7.7%). Survivors to hospital discharge had a lower SOFA score. VA ECMO support may be a beneficial therapy for refractory septic shock and could be considered in select adult patients.


2022 ◽  
Vol 5 (1) ◽  
pp. e000271
Author(s):  
Mingwei Sun ◽  
Qing Zong ◽  
Li Fen Ye ◽  
Yong Fan ◽  
Lijun Yang ◽  
...  

BackgroundPediatric acute fulminant myocarditis (AFM) is a very dangerous disease that may lead to acute heart failure or even sudden death. Previous reports have identified some prognostic factors in adult AFM; however, there is no such research on children with AFM on venoarterial extracorporeal membrane oxygenation (VA-ECMO). This study aimed to find relevant prognostic factors for predicting adverse clinical outcomes.MethodsA retrospective analysis was performed in an affiliated university children’s hospital with consecutive patients receiving VA-ECMO for AFM from July 2010 to November 2020. These children were classified into a survivor group (n=33) and a non-survivor group (n=8). Patient demographics, clinical events, laboratory findings, and electrocardiographic and echocardiographic parameters were analyzed.ResultsPeak serum creatinine (SCr) and peak creatine kinase isoenzyme MB during ECMO had joint predictive value for in-hospital mortality (p=0.011, AUC=0.962). Based on multivariable logistic regression analysis, peak SCr level during ECMO support was an independent predictor of in-hospital mortality (OR=1.035, 95% CI 1.006 to 1.064, p=0.017, AUC=0.936, with optimal cut-off value of 78 μmol/L).ConclusionTissue hypoperfusion and consequent end-organ damage ultimately hampered the outcomes. The need for left atrial decompression indicated a sicker patient on ECMO and introduced additional risk for complications. Earlier and more cautious deployment would likely be associated with decreased risk of complications and mortality.


2022 ◽  
Vol 27 ◽  
pp. 107424842110690
Author(s):  
Heather Torbic ◽  
Benjamin Hohlfelder ◽  
Sudhir Krishnan ◽  
Adriano R. Tonelli

Background: Little data is published describing the use of medications prescribed for pulmonary arterial hypertension (PAH) in patients receiving extracorporeal membrane oxygenation (ECMO). Even though many patients with PAH may require ECMO as a bridge to transplant or recovery, little is reported regarding the use of PAH medications in this setting. Methods: This retrospective case series summarizes the clinical experience of 8 patients with PAH receiving ECMO and reviews medication management in the setting of ECMO. Results: Eight PAH patients, 5 of whom were female, ranging in age from 21 to 61 years old, were initiated on ECMO. Veno-arterial (VA) ECMO was used in 4 patients, veno-venous (VV) ECMO and hybrid ECMO configurations in 2 patients respectively. Common indications for ECMO included cardiogenic shock, bridge to transplant, and cardiac arrest. All patients were on intravenous (IV) prostacyclin therapy at baseline. Refractory hypotension was noted in 7 patients of whom 5 patients required downtitration or discontinuation of baseline PAH therapies. Three patients had continuous inhaled epoprostenol added during their time on ECMO. In patients who were decannulated from ECMO, PAH therapies were typically resumed or titrated back to baseline dosages. One patient required no adjustment in PAH therapy while on ECMO. Two patients were not able to be decannulated from ECMO. Conclusion: The treatment of critically ill PAH patients is challenging given a variety of factors that could affect PAH drug concentrations. In particular, PAH patients on prostacyclin analogues placed on VA ECMO appear to have pronounced systemic vasodilation requiring vasopressors which is alleviated by temporarily reducing the intravenous prostacyclin dose. Patients should be closely monitored for potential need for rapid titrations in prostacyclin therapy to maintain hemodynamic stability.


Perfusion ◽  
2021 ◽  
pp. 026765912110575
Author(s):  
Steven Kin-ho Ling ◽  
Natalie Man-chi Fong ◽  
Mandy Sze-man Chan

Systemic capillary leak syndrome (SCLS) is a rare and under-recognized disease which is potentially fatal. We report a case of SCLS triggered by influenza A infection associated with fulminant cardiogenic shock, successfully supported by veno-arterial extracorporeal membrane oxygenation (VA-ECMO). Strong clinical suspicion with appropriate supportive treatment can be life-saving for patients with SCLS.


2021 ◽  
pp. 000313482110635
Author(s):  
Toshihiro Nakayama ◽  
Kyoji Ito ◽  
Fuyuki Inagaki ◽  
Wataru Miyake ◽  
Daisuke Katagiri ◽  
...  

Pheochromocytoma is a rare catecholamine producing adrenal tumor. Pheochromocytoma crisis is a life-threatening condition inducing multiple organ failure and hemodynamic instability caused by too much catecholamines produced from pheochromocytoma. We report a 59-year-old woman with pheochromocytoma crisis rescued by veno-arterial extracorporeal membrane oxygenation (VA-ECMO), continuous renal replacement therapy (CRRT), and interval tumor resection. In June 2020, the patient was taken to our institution complaining of headache and left lower back pain. The patient developed cardiopulmonary arrest while at the emergency department. After extracorporeal cardiopulmonary resuscitation, the patient required VA-ECMO for hemodynamic support, and subsequently CRRT for catecholamine removal and acute kidney injury. After 1 month of hemodynamic management, the patient underwent left adrenalectomy. The postoperative course was uneventful and she was discharged on postoperative day 23. CRRT would be a safe and feasible option for catecholamine control in patients with acute kidney injury in pheochromocytoma crisis.


Perfusion ◽  
2021 ◽  
pp. 026765912110559
Author(s):  
Hoong Lim

Extracorporeal membrane oxygenation (ECMO) can be delivered in veno-arterial (VA) and veno-venous (VV) configurations based on the cannulation strategy. VA and VV ECMO are delivered primarily for haemodynamic and respiratory support in patients with severe heart and lung failure, respectively. The Fick principle describes the relationship between blood flow and oxygen consumption – key parameters in the physiological management of extracorporeal support. This review will discuss the application of the Fick principle in: (i) recirculation in VV ECMO; (ii) the quantification of oxygen delivery (DO2) in VV ECMO and (iii) the quantification of transpulmonary blood flow and systemic arterial oxygen saturation in VA ECMO.


Perfusion ◽  
2021 ◽  
pp. 026765912110647
Author(s):  
Suguru Ohira ◽  
Stephen Pan ◽  
Avi Levine ◽  
Chhaya Aggarwal-Gupta ◽  
Gregg M Lanier ◽  
...  

Direct heart transplant from veno-arterial extracorporeal membrane oxygenation (VA-ECMO) support is challenging. Continuation of postoperative VA-ECMO support may be required in the setting of primary graft dysfunction or severe vasoplegia. We describe a simple technique to perfuse the ipsilateral leg of an arterial ECMO cannula during heart transplant while the ECMO circuit is turned off but maintaining the arterial cannula and distal perfusion catheter in place. This technique minimizes the number of intraoperative procedures with a minimal risk of leg ischemia, and provides a smooth transition to postoperative VA-ECMO support if necessary.


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