Презентация на тему: COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic

COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
Hyaline membrane disease
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
Newborn respiratory distress syndrome
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
Symptoms of NRDS
Diagnosing NRDS
For better understanding
COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic
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COURSE STUDENT SAIFI MOHD IMRAN Scientific Leader ANNA ZHUKOVA Phylogenetic disorders of Respiratory system Medical Academy named after S.I.  Georgievsky of  Vernadsky  CFU DEPARTMENT OF MEDICAL BIOLOGY

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Слайд 2: Hyaline membrane disease

Hyaline membrane disease: A respiratory disease of the  newborn, especially the premature infant, in which a membrane composed of proteins and dead cells lines the alveoli (the tiny air sacs in the lung), making  gas  exchange difficult or impossible. The word "hyaline" comes from the Greek word " hyalos " meaning "glass or transparent stone such as crystal." The membrane in hyaline membrane disease looks glassy.

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Hyaline membrane disease is now commonly called respiratory distress syndrome (RDS). It is caused by a deficiency of a molecule called surfactant. RDS almost always occurs in newborns born before 37 weeks of gestation. The more premature the baby is, the greater is the chance of developing RDS. RDS is more likely to occur in newborns of diabetic mothers. Surfactant, a mixture of phospholipids and lipoproteins, is secreted by lung cells. The air-fluid interface of the film of water lining the alveoli of the lung (where the exchange of oxygen and CO2 occurs) exerts large forces that cause the alveoli to close if surfactant is deficient. Lung compliance is decreased, and the work of inflating the stiff  lungs  is increased

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The preterm newborn is further handicapped because his or her ribs are more easily deformed (compliant).  Breathing  efforts therefore result in deep sternal (breastbone) retractions but poor air entry if the ribs are compliant compared with the lungs. This results in diffuse atelectasis (collapse of the lungs). Rapid, labored, grunting respirations usually develop immediately or within a few hours after delivery, with retractions above and below the breastbone and flaring of the nostrils. The extent of atelectasis ( lung collapse ) and the severity of respiratory failure progressively worsen.

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Not all infants with RDS have signs of respiratory distress; extremely low birth weight newborns (i.e., < 1000 g) may be unable to initiate respirations at birth because their lungs are so stiff; they may fail to initiate breathing in the delivery room.

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The incidence of RDS can be reduced by assessment of fetal lung maturity to determine the optimal time for delivery. When a fetus must be delivered prematurely, giving betamethasone systemically to the mother for at least 24 hours before delivery induces fetal surfactant production and usually reduces the risk of RDS or decreases its severity.

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If untreated, severe RDS can result in multiple organ failure and death. However, if the newborn's ventilation is adequately supported, surfactant production will begin and RDS will resolve by 4 or 5 days. Recovery is hastened by treatment with pulmonary surfactant.

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Слайд 9: Newborn respiratory distress syndrome

Newborn respiratory distress syndrome (NRDS) happens when a baby's lungs are not fully developed and cannot provide enough oxygen, causing breathing difficulties. It usually affects premature babies. It's also known as infant respiratory distress syndrome, hyaline membrane disease or surfactant deficiency lung disease. Despite having a similar name, NRDS is not related to  acute respiratory distress syndrome (ARDS).

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Слайд 12: Symptoms of NRDS

The symptoms of NRDS are often noticeable immediately after birth and get worse over the following few days. They can include: blue- coloured lips, fingers and toes rapid, shallow breathing flaring nostrils a grunting sound when breathing

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Слайд 13: Diagnosing NRDS

A number of tests can be used to diagnose NRDS and rule out other possible causes. These include: a physical examination blood tests  to measure the amount of oxygen in the baby's blood and check for an infection a pulse oximetry test to measure how much oxygen is in the baby's blood using a sensor attached to their fingertip, ear or toe a chest  X-ray  to look for the distinctive cloudy appearance of the lungs in NRDS

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Слайд 14: For better understanding

https://www.youtube.com/watch?v=KEd0EvbKjf8 https://www.youtube.com/watch?v=xWe7Xwh7O1Y https://www.youtube.com/watch?v=r5-pEJfQ6wk

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