Neonatal nutritional risk and pulmonary function

Xiaoyan Zhang1, Junhong Liu1, Shuzheng Xu1

  • 1Department of Pediatrics and Neonatology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China.

Medicine
|August 12, 2022
PubMed

Insights

Neonatal nutritional status significantly impacts lung function. Adequate nutrition and stable weight in newborns are crucial for developing healthy lung volumes, including tidal volume and minute ventilation.

Area of Science:

  • Neonatology
  • Pulmonology
  • Pediatric Nutrition

Background:

  • The neonatal period is critical for lung development and maturation.
  • Nutritional status plays a key role in this developmental stage.

Purpose of the Study:

  • To investigate the effects of nutritional status on pulmonary function in late preterm and full-term neonates.
  • To explore the relationship between nutritional risk, weight changes, and lung function parameters.

Main Methods:

  • 172 newborns were assessed on the 7th day of life.
  • Methods included nutritional risk screening, weight measurement, albumin and caloric intake assessment, and pulmonary function tests.
  • Lung function parameters like tidal volume (VT) and minute ventilation (MV) were measured.

Main Results:

  • Lower nutritional risk correlated with higher pulmonary function (VT, MV, VT/kg, MV/kg) and better nutritional intake (albumin, calories).
  • Neonates experiencing weight loss showed significantly lower VT, VT/kg, MV, and MV/kg compared to those with no weight loss.
  • Significant correlations were observed between nutritional risk and body weight changes.

Conclusions:

  • Neonatal weight changes primarily influence lung volumes (VT, VT/kg, MV, MV/kg).
  • Improving neonatal nutritional status is essential for optimal lung volume development.
Abstract

Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
425
Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
1.6K
Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
1.2K
Pneumonia V: Nursing management and Prevention01:30

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed....
2.4K
Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
1.7K
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
334