Study on performance of prestressed concrete hollow slab beams reinforced by grouting with ultra-high performance concrete

To reinforce the inclined web shear crack in the shear span of the prestressed concrete hollow slab beam (PCHSB) on a bridge running for 20 years, a new method of grouting reinforcement was developed.Meanwhile, the grouting material corresponding to this method was developed, so as to improve the shear bearing capacity of prestressed concrete hollo

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Use of off-label compounded oral sildenafil in the management of persistent pulmonary hypertension of the newborn: A case report

We report a case Self Aligning Bearing of a newborn with persistent pulmonary hypertension (PPHN) due to meconium aspiration syndrome with associated lung collapse.Echocardiogram revealed features of persistent pulmonary hypertension.He was treated with compounded oral sildenafil.Oral sildenafil has proven to be effective and safe in the management

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