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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Curr+Opin+Pediatr
2014 ; 26
(3
): 306-14
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Disrupted lung development and bronchopulmonary dysplasia: opportunities for lung
repair and regeneration
#MMPMID24739494
Baker CD
; Alvira CM
Curr Opin Pediatr
2014[Jun]; 26
(3
): 306-14
PMID24739494
show ga
PURPOSE OF REVIEW: Advances in medical therapy have increased survival of
extremely premature infants and changed the pathology of bronchopulmonary
dysplasia (BPD) from one of acute lung injury to a disease of disrupted lung
development. With this evolution, new questions emerge regarding the molecular
mechanisms that control postnatal lung development, the effect of early
disruptions of postnatal lung development on long-term lung function, and the
existence of endogenous mechanisms that permit lung regeneration after injury.
RECENT FINDINGS: Recent data demonstrate that a significant component of
alveolarization, the final stage of lung development, occurs postnatally.
Further, clinical and experimental studies demonstrate that premature birth
disrupts alveolarization, decreasing the gas exchange surface area of the lung
and causing BPD. BPD is associated with significant short-term morbidity, and new
longitudinal, clinical data demonstrate that survivors of BPD have long-standing
deficits in lung function and may be at risk for the development of additional
lung disease as adults. Unfortunately, current care is mainly supportive with few
effective therapies that prevent or treat established BPD. These studies
underscore the need to further elucidate the mechanisms that direct postnatal
lung growth and develop innovative strategies to stimulate lung regeneration.
SUMMARY: Despite significant improvements in the care and survival of extremely
premature infants, BPD remains a major clinical problem. Although efforts should
remain focused on the prevention of preterm labor and BPD, novel research aimed
at promoting postnatal alveolarization offers a unique opportunity to develop
effective strategies to treat established BPD.