Table 2.
Overview of the physical quantities measured to monitor the NS process.
| Physical Quantities Measured | |||
|---|---|---|---|
|
| |||
| Sucking | Swallowing | Breathing | Nutrient Consumption |
| IP: [25,27,37–39,41] | Pharyngeal pressure: [25,30,33,40] | Nasal airflow/Thoracic movements: [25,30] | Total transferred nutrient: [25,28,35,40,41] |
|
| |||
| EP/IP: [14,28,29,32,35] | Hyoid bone movements: [29,32] | Thoracic movements: [29,32,33,41] | Minute transferred volume: [32,36,39] |
|
| |||
| Intranipple pressure: [30,40] | Swallows sounds: [41] | Transferred milk weight: [29] | |
|
| |||
| Chin movements: [31] | |||
|
| |||
| Throat-eye (S) and jaw-eye (E) distance: [44] | |||