Background: Neonatal period is one of the most important critical phases of human life. Intensive care unit has a stressful environment for the infant in which the patient will be under the pressure of factors such as noise, nursing intervention and harsh light; the most important factor in this regard being separation from parents.
Background: Appropriate and accurate easy access tools are necessary to overcome complications from malpositioned line tips of peripherally inserted central catheters (PICCs) in critically ill neonates. Ultrasound is a radiationless, cost-beneficial, and time-saving method that allows medical personnel to manipulate the line and correct possible malposition of this tip. In addition, it reduces the need for a second radiography. Objectives: We compared the effectiveness of sonography with radiography for confirmation of the line tip placement. Methods: This prospective descriptive-analytical study was conducted in the Neonatal Intensive Care Unit (NICU) in Tehran Children’s Medical Center (tertiary level), Tehran, Iran. Neonates who were candidates for PICC implantation according to the ward’s protocol were enrolled in the study. Radiography and sonography were performed after catheter insertion by a radiologist blinded to the preliminary radiographic reports. The results of both methods were compared and interpreted by statistical analysis using the chi-square and Pearson correlation tests. Results: A total of 90 infants, 45 (50%) males and 45 (50%) females, were assessed. We noted that 17 (18.8%) cases had malpositioned tips according to the radiographs. Malpositioning of the line tips were identified in 21.1% of cases by sonography (P ≤ 0.05), which indicated a higher accuracy for sonography compared to radiography. Both methods were appropriately correlated regardless of the underlying variables. Sonography had a sensitivity of 100% and specificity of 89.5%, a positive predictive value (PPV) of 97.3%, and a negative predictive value (NPV) of 100%. Conclusions: Our findings show that sonography can be a more accurate, safer bedside tool, with fewer complications compared to radiography in PICC tip placement determination in neonates. Multi-center studies with increased sample sizes should be performed to confirm replacement of radiography by sonography as the gold standard test for confirmation of PICC tip positioning.
BackgroundAlthough several different types of natural surfactants are available, including Alveofact, Curosurf, and Survanta, the preferred type and the magnitude of their effects are unknown.ObjectivesThis study was designed to compare the effects of these three surfactants on the gas exchange and clinical outcomes of neonates with respiratory distress syndrome (RDS).MethodsThis triple-blind randomized clinical trial studied all preterm neonates ≤ 37 weeks with RDS who were admitted to the neonatal intensive care unit (NICU) of Taleghani hospital (Tabriz, Iran) between 2012 and 2013. The patients were divided into three groups, each of which received one of these surfactants. The incidences of ventilator dependency, patent ductus arteriosus (PDA), broncho-pulmonary dysplasia (BPD), retinopathy of prematurity (ROP), intraventricular hemorrhage (IVH), hospital-stay length, and continuous positive airway pressure (CPAP) failure, as well as blood gas levels, were recorded as endpoint measurements and compared.ResultsIn total, 165 neonates of gestational age ≤ 37 weeks with RDS were examined. Neonates were allocated to three different groups randomly, including a Survanta group (n = 49), a Curosurf group (n = 62), and an Alveofact group (n = 54). The mean gestational age of the neonates was 31.6 ± 3.7 weeks, and their mean weight was 1,840 ± 790 grams. The male/female ratio was 2:1 (67% male, 33% female); 104 (63%) neonates were ≤ 32 weeks gestational age, and 61 (37%) were >32 weeks. There were no significant differences for gender or demographic characteristics among the neonates in relation to the type of applied surfactant. According to the clinical parameters (BPD, IVH, ROP, hospital-stay length, and mechanical ventilation requirement), no significant differences were observed between the groups before and after surfactant administration, but the differences between the Survanta and Alveofact groups for the incidence rates of pneumothorax (P = 0.03) and pulmonary hemorrhage (P = 0.03) were statistically significant.ConclusionsNo significant differences were observed in most of the clinical variables between the three types of natural surfactant, but in neonates ≤ 32 weeks, the incidence of pneumothorax was significantly higher in the Alveofact group; in neonates > 32 weeks, the incidences of PDA, mean hospital-stay length, and mean mechanical ventilation time were also significantly higher in the same group. It thus appears that Curosurf and Survanta replacement therapies among premature neonates with RDS perform better than Alveofact replacement therapy.
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