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1.
J Thorac Dis ; 13(2): 831-836, 2021 Feb.
Article in English | MEDLINE | ID: mdl-33717556

ABSTRACT

BACKGROUND: The aim of this study was to summarize the clinical experience of extracorporeal cardiopulmonary resuscitation (ECPR) in the treatment of adult patients with refractory cardiac arrest. METHODS: The clinical data of 12 cases of adult patients with cardiac arrest hospitalized between June 2015 and September 2019 who were unable to achieve return of spontaneous circulation effectively with conventional cardiopulmonary resuscitation (CCPR) and were treated with ECPR technology were retrospectively analyzed. The group included six males and six females aged between 18 and 69 years. All the patients underwent veno-arterial extracorporeal membrane oxygenation (V-A ECMO) support with the adoption of femoral artery and vein catheterization. RESULTS: The duration of cardiopulmonary resuscitation (CPR) for the 12 patients was 32-125 min, and the ECMO duration was 2-190 h. Four patients were successfully weaned from ECMO and survived until hospital discharge. The other eight patients died in hospital; hemodynamic collapse (four patients) in the early stage of ECMO and severe neurological complications (three patients) were the main causes of death. CONCLUSIONS: Single-center data showed that ECPR provided a new rescue alternative for some patients with reversible refractory cardiac arrest. We have demonstrated that the success rate of treatment could be improved by selecting suitable patients and reducing the CPR duration as much as possible.

2.
Medicine (Baltimore) ; 100(2): e24226, 2021 Jan 15.
Article in English | MEDLINE | ID: mdl-33466203

ABSTRACT

RATIONALE: Atrioesophageal fistula (AEF) is a rare but serious complication of atrial fibrillation (AF) catheter ablation with associated high mortality rates. PATIENT CONCERNS: A 42-year-old male patient who underwent catheter ablation in local hospital 20 days ago because of persistent AF was admitted to our Emergency Room with unconsciousness and high axillary temperature and white blood cell count. Craniocerebral CT scan found multiple infarct lesions in both frontal and occipital lobes. Pneumatosis between the left atrium and the esophagus was observed in the chest CT. DIAGNOSES: AEF. INTERVENTIONS: We performed a salvage operation of the left atrium debridement, and left atrium patch repairing under extracorporeal circulation. We opened the mediastinum, and dissected the esophageal perforation. A special irrigating catheter with multiple side ports on the tip was placed from the esophagus to the posterior mediastinum through the esophageal orificium fistulae. We also inserted a gastrointestinal tube to the jejunum under gastroscopy. Three additional drainage tubes were inserted into the esophageal bed and the right thoracic cavity. OUTCOMES: The procedure was successful. But 7 days later, the patient's family chose to forgo treatment due to multiple cerebral infarcts, respiratory and blood system infection, liver failure, and other complications. LESSONS: AEF is a rare but fatal complication after catheter ablation. Heightened vigilance is required for early recognition of the AEF. Surgical treatment should be performed as early as possible, especially before the neurological complications occur.


Subject(s)
Atrial Fibrillation/surgery , Catheter Ablation/adverse effects , Esophageal Fistula/etiology , Heart Diseases/etiology , Postoperative Complications/etiology , Vascular Fistula/etiology , Adult , Heart Atria/physiopathology , Heart Atria/surgery , Humans , Male
3.
World J Pediatr ; 11(2): 171-6, 2015 May.
Article in English | MEDLINE | ID: mdl-25733212

ABSTRACT

BACKGROUND: Pulmonary hypertension (PH) is a progressive disease characterized by lung endothelial cell dysfunction and vascular remodeling. Endothelial progenitor cells (EPCs) have been proved to be a potential therapeutic strategy to treat PH. Autophagy has been found to be protective to hypoxia-induced PH. In this study, we applied high shear stress (HSS)-induced PH, and examined whether EPCs confer resistance against HSS-induced PH through autophagy. METHODS: Pulmonary microvascular endothelial cells (PMVECs) were cultured under HSS with pro-inflammatory factors in an artificial capillary system to mimic the PH condition. Levels of p62, a selective autophagy substrate, were quantified by western blotting. Cell viability was determined by trypan blue exclusion test. RESULTS: The p62 level in PMVECs was increased at 4 hours after HSS, peaked at 12 hours and declined at 24 hours. The cell viability gradually decreased. Compared with PMVECs cultured by empty medium, in cells cultured by EPC-conditioned medium (EPC-CM), the cell viability was significantly higher; however, p62 levels were also significantly higher, suggesting inhibition of autophagy by EPC-CM. Adding choloquine to suppress autophagy decreased the cell viability of PMVECs under PH. CONCLUSIONS: EPC-CM could suppress the autophagic activity of PMVECs in HSS-induced PH. However, suppression of autophagy leads to cell death. EPCs could fight against PH through cellular or molecular pathways independent of autophagy. But it is not proved if induction of autophagy could be a potential strategy to treat HSS-induced PH as hypoxia-induced PH.


Subject(s)
Autophagy/physiology , Endothelial Progenitor Cells/physiology , Hypertension, Pulmonary/therapy , Stem Cell Transplantation , Animals , Blotting, Western , Cell Survival , Disease Models, Animal , Hypertension, Pulmonary/physiopathology , Male , Pulsatile Flow , Rats , Rats, Sprague-Dawley
4.
Pediatr Emerg Care ; 29(9): 1013-5, 2013 Sep.
Article in English | MEDLINE | ID: mdl-24201985

ABSTRACT

Intrahepatic foreign bodies are extremely rare before 6 months of age. We reported a case of a 5-month-old boy with a needle-like foreign body in the liver. The foreign body was incidentally found in the right hepatic lobe on the x-ray image. He was asymptomatic, with neither a history of swallowing a needle nor an abdominal cutaneous scar. Three-dimensional reconstruction of spiral computed tomographic scan showed an intrahepatic needle, close to the base of the heart, with its proximal end close to the gallbladder fossae. Because of the localization of the needle and subsequent risks of complications, surgical removal was recommended. At laparotomy, a tiny scar was recognized in the upper surface of the right lobe of the liver, confirming the migration route. Postoperative course was uneventful, and the child was discharged on postoperative day 10 and is thriving perfectly 2 months after surgery. We reviewed the clinical issues of intrahepatic foreign bodies and briefly discussed its approach and implications.


Subject(s)
Foreign Bodies/diagnostic imaging , Liver/diagnostic imaging , Abdominal Injuries/complications , Anti-Bacterial Agents/therapeutic use , Asymptomatic Diseases , Cefamandole/analogs & derivatives , Cefamandole/therapeutic use , Emergencies , Foreign Bodies/surgery , Foreign-Body Migration/diagnosis , Humans , Image Processing, Computer-Assisted , Incidental Findings , Infant , Laparotomy , Liver/surgery , Liver Function Tests , Male , Needles , Respiratory Tract Infections/diagnostic imaging , Tomography, Spiral Computed , Wound Infection/drug therapy , Wound Infection/etiology
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