Spontaneous perirenal urinoma associated with ureteropelvic junction obstruction in a child: a case report.

We report a case of a 10-year-old Taiwanese boy with a perinephric urinoma, whose health had previously been good, but who experienced a sudden onset of severe Left flank pain. Radiological examination revealed ureteropelvic junction obstruction with grade IV hydronephrosis and perinephric urinoma of the left kidney. ercutaneous drainagewas performed successfully to relieve these symptoms.

Endogenous nitric oxide in the nasal airways of healthy term newborn infants in Taiwan.

Background: Nitric oxide (NO) in the respiratory tract is an important regulator of pulmonary homeostasis during the perinatal transition. In humans, much of the nitric oxide is derived from the upper airways, and autoinhalation of nasal NO has been suggested to influence pulmonary function. No standard methods for measuring nasal NO in neonates currently exist, and previous studies have reported varying levels of nasal nitric oxide in infants, due to the different measuring methods used.

Nasal nitric oxide in infants before and after extubation.

The endogenous production of nitric oxide (NO) in the upper airways is known to be high, but reports of the exact level vary, especially in newborn infants. Currently there is still no standard methodology for nasal NO measurements in neonates. In this study, we compared the levels of NO from the nasal cavity, and from the lower respiratory tracts in intubated infants together with the differences in nasal NO before and after extubation.

A decremental PEEP trial for determining open-lung PEEP in a rabbit model of acute lung injury.

A positive end-expiratory pressure (PEEP) above the lower inflection point (LIP) of the pressure-volume curve has been thought necessary to maintain recruited lung volume in acute lung injury (ALI). We used a strategy to identify the level of open-lung PEEP (OLP) by detecting the maximum tidal compliance during a decremental PEEP trial (DPT). We performed a randomized controlled study to compare the effect of the OLP to PEEP above LIP and zero PEEP on pulmonary mechanics, gas exchange, hemodynamic change, and lung injury in 26 rabbits with ALI.

Determinants of airleak flow during humming V high-frequency oscillatory ventilation in an open-compartment ex-vivo model of airleak.

High-frequency oscillatory ventilation (HFOV) using small tidal volumes and maintaining sufficient end-expiratory lung volume may be beneficial in the treatment of airleak. However, few published guidelines exist to advise clinicians on appropriate ventilator settings in this clinical scenario. The present experiment aimed to determine the effect of frequency, stroke volume (SV) and mean airway pressure (MAP) on airleak from an isolated lung model ventilated with a Humming V HFOV.