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Query: UMLS:C0018799 (heart disease)
 34,133 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Data were collected from a retrospective audit in anaesthetists members of the French Association of Anaesthetists in Paediatrics (ADARPEF) and from the prospective study of the author's practice of appendectomy using open or laparoscopic surgery. Retrospective data obtained in 9 of the 16 answering centres show that contraindications include respiratory disability, cardiopathy and age lower than 5 years when surgical instruments of proper size are not available. Monitoring included electrocardioscope, non invasive arterial pressure, pulse oximetry and capnography. Three centres excluded halothane due to possible cardiovascular concern. In two institutions N2O was omitted to limit the size of potential gas embolism. Intraoperative events included high PETCO2 (37%), high arterial pressure (10%), low arterial pressure (3%), bradycardia (1%), hypoxia (0.5%) and one case of pneumothorax. In the appendectomy series, laparoscopy increased the duration of the procedure, and therefore intraoperative opioids requirements. Arterial pressure was higher in this group, irrespective to intraabdominal pressure and to PETCO2. No significant improvement in postoperative analgesia was found. It is therefore recommended to pay special attention to intraoperative anaesthetic and surgical management of children undergoing laparoscopic surgery, particularly in newborns and infants. The high incidence of minor intraoperative adverse events should be balanced by increased postoperative benefit to the patient which has not yet been demonstrated in children.
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PMID:[Laparoscopic surgery in pediatrics: the point of view of the anesthetist]. 837 18

Recent technologic advances have contributed to a renewed interest in thoracoscopic surgery. In our institution, thoracoscopy through video-assisted technology has been successfully applied to congenital heart surgery. We reviewed the charts of 45 consecutive patients (ASA physical status 11-IV) who underwent video-assisted thoracoscopic surgery (VATS) for various congenital heart defects. The mean age of the patients was 2.65 yr and the mean weight was 11.78 kg. The surgical procedures included patent ductus arteriosus interruption (n = 28) and vascular ring division (n = 8), and 9 patients had miscellaneous procedures. The most commonly used anesthetic regimen consisted of isoflurane, pancuronium, fentanyl, air, and oxygen. Seven patients were managed with one-lung ventilation, the remainder by two-lung ventilation with surgical lung retraction. Intraoperative desaturation occurred in 12 patients (26.7%) but resolved quickly with brief reexpansion of the lungs. Postoperative complications included: pleural effusions (n = 3), chylothorax (n = 2), right upper lobe atelectasis (n = 1), small pneumothorax (n = 1), and vocal cord paralysis (n = 1). Seven patients (15.5%) required conversion to a thoracotomy for insufficient exposure (n = 4) or due to concern over bleeding (n = 3). This experience with VATS in pediatric patients with congenital heart disease may provide a database for comparison with others who work with the VATS technique.
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PMID:Video-assisted thoracoscopic surgery for the treatment of congenital cardiac defects in the pediatric population. 905 29

Pulmonary hypertensive crises (PHC) are a recognized cause of sudden clinical deterioration and death after the surgical correction of congenital heart disease. In this study, pulmonary artery pressure was monitored in 84 children (at high risk to develop PHC) aged nine days to five years (mean 1.4 years) using monitoring lines inserted percutaneously through the right internal jugular vein (IJV). Success rate of placement of the catheter tip in the pulmonary artery (PA) in the pre-incision period was not high (7%) but all catheter-tips were successfully placed in the PA by the surgeon before right atrial closure prior to separation from cardiopulmonary bypass. Complications related to the technique were transient ventricular/atrial arrhythmias (78.5%) during insertion and slipping or coiling (20%) of the catheter in the right ventricle. Complications relating to the IJV puncture included carotid arterial puncture and pneumothorax. No other complications were encountered. Monitoring lines inserted percutaneously and guided into the pulmonary artery during surgery provide a safe and practical way of monitoring pulmonary artery in infants and children at risk of postoperative pulmonary hypertensive crises.
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PMID:A safe technique to monitor pulmonary artery pressure during and after paediatric cardiac surgery. 945 44

Recent progress in cardiopulmonary resuscitation techniques improved the survival rate of patients with acute cardiopulmonary disturbances. However, severe cerebral complications remained frequently in patients who survived the acute stage. Early prediction of cerebral prognosis is important to optimize the management of these patients. We examined the relations between radiological findings (Xe-CT and MRI) and cerebral prognosis. Patients included in this study were selected from all patients with hypoxic encephalopathy admitted to our hospital. There were 11 men and 10 women. Causes of hypoxic encephalopathy were heart disease (11 cases), suffocation (4 cases), CO intoxication (2 cases), asthma (1 case), pneumothorax (1 case), anaphyraxy shock (1 case) and electric shock (1 case). Xe-CT and MRI were carried out 3 weeks after the onset. Cerebral blood flow (CBF) of the patients was measured at rest and 15 minutes after intravenous administration of acetazolamide (1 g). The prognosis was evaluated 3 months after the onset in accordance with Glasgow Outcome Scale (GOS). Low hemispheric CBF (30 ml/100 g/min), poor reactivity of acetazolamide challenge test (10 ml/100 g/min), presence of hyperintensity areas in the basal ganglia in T1 weighted images (T1WI) and T2 weighted images (T2WI) are the factors associated with poor outcome in hypoxic encephalopathy.
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PMID:Cerebral circulation and prognosis of the patients with hypoxic encephalopathy. 1075 Mar 55

In order to provide better understanding of the factors affecting the mortality of sick newborns in the Taipei metropolitan area, data of newborns admitted to the intensive care units (ICU) were analyzed retrospectively according to the hospital type of care. Fourteen of the 19 hospitals with an ICU admitting sick newborns joined the data collection: 3 were local hospitals, 7 were regional hospitals and 4 were medical centers. Perinatal and neonatal data of 1083 sick newborns were analyzed: 60% were premature newborns and 58% were male newborns. The maternal referral rate was 7.8% and the neonatal transport rate was 36.2%. Fifty-nine percent of very low birth-weight newborns and 66% of extremely low birth-weight (ELBW) newborns were admitted to the medical centers. The two most common illnesses were perinatal asphyxia and respiratory distress syndrome. About 40% needed assisted ventilation. There were higher incidence of maternal referral, fetal distress, resuscitation in the delivery room, perinatal asphyxia, and necrotizing enterocolitis; lower incidence of meconium aspiration syndrome, sepsis and pneumothorax in newborns admitted to the medical center than those newborns admitted to other hospitals. A total of 153 newborns (14%) died. The most common cause of death was sepsis (22.9%). Multivariate logistic regression analysis revealed that factors significantly related to the mortality were gestational age < 28 weeks, congenital anomaly, sepsis, resuscitation in the delivery room, neonatal transport, congenital heart disease, hospital type of care, ELBW, pneumothorax and high-risk pregnancy. The results of the study stress the importance of regionalization of perinatal and neonatal care, organization of neonatal transport system, newborn resuscitation training, infection control, and delicate ventilatory care in the further improvement of the outcome of sick newborns in the Taipei metropolitan area.
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PMID:Factors affecting the mortality of sick newborns admitted to intensive care units. 1091 May 91

Chronic obstructive pulmonary disease (COPD) is a leading cause of death, and constitutes a major medical and an increasing economic problem for acute and long term care. A low level of irreversible airway obstruction when in stable condition, hypercapnia, hypoxia, the presence of comorbid heart disease, right ventricular failure, and low serum albumin are the main factors related to risk of exacerbations. Bronchial infections, bronchospasm, left ventricular failure, pneumonia, pneumothorax and thromboembolism are described as the most frequent relapsing causes of COPD. During exacerbation, the inflammatory process, the ventilation/perfusion (V'A/Q') mismatching, an increased airflow resistance and dynamic hyperinflation (PEEPidyn) expose the respiratory muscles to the risk of fatigue, eventually leading to ventilatory pump failure and rising hypercapnia. Prevention of exacerbations and subsequent hospitalisations may be obtained with careful rehabilitation programs, a strict drug protocol, long term oxygen therapy and sometimes using home noninvasive mechanical ventilation (NMV). During exacerbation proper management of infection and lung mechanics derangement has to be adopted using an accurate assessment of severity and standardized treatment protocols. Patient history and examination and functional tests are beneficial to decide how and where to treat these patients. Mechanical ventilation (possibly noninvasive) may be required to reverse the acute episode. The aims of all these procedures remain: i) to prolong length and quality of life; ii) to save costs. Both hospital and post-discharge mortality of exacerbated COPD remain high while quality of life appears to be poor. Future studies will elucidate the relation between number and severity of exacerbations and prognosis.
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PMID:Exacerbations of COPD: predictive factors, treatment and outcome. 1149 3

Meconium aspiration syndrome (MAS) is a common severe respiratory disease in full-term infants. To investigate the risk factors for mortality of MAS, a retrospective chart-review study of MAS was conducted from 1995 to 2001. All cases of MAS were included except cases of cyanotic congenital heart disease or congenital fetal anomaly. Prenatal, perinatal and postnatal risk factors of mortality were recorded. The risk factors were compared between surviving and deceased cases. There were 314 cases of MAS during the seven years. Total mortality rate was 4.8% (15/314); this did not change significantly during these years. Risk factors of mortality by univariate analysis were: outborn babies, resuscitation before admission, first born baby, low pH, high oxygen index (OI), high alveolar-arterial oxygen tension gradient (AaDO2) at admission, high OI and AaDO2 at 2 hours after admission, shock, pneumothorax, asphyxia, pulmonary hemorrhage, persistent pulmonary hypertension of newborn (PPHN), and renal failure. Logistic regression analysis showed asphyxia, pneumothorax and PPHN are the most important risk factors of mortality in MAS. How to diminish these events is the key point for reducing the mortality rate of MAS.
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PMID:Risk factors of mortality in meconium aspiration syndrome: review of 314 cases. 1526 3

To evaluate whether the system-based strategy for management of meconium aspiration syndrome (MAS) could reduce the morbidity and mortality rate of MAS in our institute, a prospective consecutive clinical observation was conducted. System-based strategy including appropriately trained the relevant medical staff to familiar with neonatal resuscitation program, early surfactant replacement or lavage following with high-frequency ventilator (HFV) and/or inhaled nitric oxide (iNO). Outcome measurements were the morbidity and mortality rates of MAS. All infants of MAS in the study period were included except cases of congenital malformations or cyanotic congenital heart disease (CHD). Oxygen, nasal continuous positive airway pressure (CPAP), and intermittent mandatory ventilation (IMV) were applied as clinically indicated. Surfactant was used as replacement or lavage therapy for MAS infants whose oxygen index (OI) exceeded 20 or value for AaDO2 exceeded 400 within 6 hours of age. High-frequency oscillator ventilation (HFO) was applied for infants of MAS that demonstrated intractable respiratory failure with conventional mechanical ventilation and 100% oxygen. Inhaled nitric oxide (iNO) was used with IMV or HFO for infants of persistent pulmonary hypertension (PPHN) when it was unresponsive to conventional therapy. Dexamethasone was prescribed in infants of severe hypotension that did not respond to dopamine and epinephrine. A series of 198 consecutive infants of MAS born in this hospital during 9 years were analyzed. There was no mortality. Fourteen infants developed PPHN, 11 had pneumothorax, 1 had pulmonary hemorrhage, 2 had neurologic sequelae because of severe asphyxia, and 2 developed bronchopulmonary dysplasia. Our results indicated that appropriately trained relevant medical staff with neonatal resuscitation program to avoid complicated MAS and early surfactant replacement or lavage following with HFO and/or iNO could reduce the morbidity and mortality rate of MAS even without extracorporeal membrane oxygenation (ECMO).
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PMID:System-based strategy for the management of meconium aspiration syndrome: 198 consecutive cases observations. 1630 81

The goal of this study is to present the clinical and evolutive features of Pneumocystis infection (PCP) in infants admitted in our clinic. We summarise these aspects from 17 cases (10 male and 7 female infants), admitted between 1st January 2004 and 31st May 2005. PCP infection is rare. It represents 1,5/1000 children (17 cases of 11328 total patients) admitted in our hospital. The risk factors for PCP were age between 6 weeks and 6 months (average 3,38 months) low birth weight (average = 2428 grams), low weight for age, prolonged hospital admission (88,23% of the 17 infants were abandoned in nursery). Only one of them had HIV infection and none presented neoplastic disease. The most prominent clinical aspect was tachypnea (average 78 breath/minute, maximum 130). 16 (94,11%) had difficult breathing with chest in-drawing and flaring of ala nasi. 14 (82,35%) had generalised cyanosis. Only two (11,72%) infants had fever. Radiologic aspects were evocative, with diffuse pulmonary involvement in almost all cases (88,23%). 6 infants (35,29%) had pneumothorax and 2 (11,76%) presented pneumomediastinum. Positive diagnosis was made by microscopic examination of secretions from endotracheal tube aspiration (Grocott methenamine silver stain and Romanowsky stain). 14 infants were ventilated with a good outcome--12 surviving infants (85,7%). All infants had a full course of intravenous Co-trimoxazole. The deceased infants had more risk factors--congenital heart disease 1 case, severe cerebral palsy with organic epilepsy 2 cases. The apparent increase of PCP cases can be related to the number of abandoned children in Romanian pediatric hospitals and nurseries.
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PMID:[Pneumocystis pneumonia in infants]. 1653 25

Central venous pressure (CVP) measurement is a reliable method for evaluating intravascular volume status and cardiac function, but it is an invasive method that results in some complications such as arterial puncture, pneumothorax, and development of infection. The current study was performed to compare CVP measurements between central and peripheral catheters in infants and children with congenital heart disease referred for right-sided heart catheterization. The CVP and peripheral venous pressure (PVP) in 45 patients were measured simultaneously. The mean difference between CVPs measured from the central and peripheral catheters was 8 +/- 4 cm H(2)O. The linear regression equation showed that CVP = 0.32 PVP + 3.8 (r = 0.67; p < 0.005). There was no difference in CVP measurements depending on the intravenous cannula and chest diameters, arm diameter, arm length, body surface area, patient's age (< or =10 years and >10 years), and type of congenital heart disease (cyanotic or noncyanotic). In conclusion, although CVP measured from a peripheral intravenous catheter in infants and children with congenital heart disease is not as accurate as the measurement in adults, the aforementioned linear regression equation based on measurement of PVP gives a reliable estimate of CVP.
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PMID:Correlation between peripheral and central venous pressures in children with congenital heart disease. 1785 30


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