The Neonatal Medical Index (NMI) is
intended to rapidly stratify preterm infants into risk groups for serious
complications. It summarizes "in bold strokes" the infant's condition
during hospitalization.
|
Conditions or Course
|
Grade
|
|
meningitis,
confirmed or suspected
seizures
periventricular-intraventricular
hemorrhage grade III or IV
periventricular
leukomalacia
assisted
ventilation for >= 29 days
|
V
|
|
resuscitation
needed for apnea or bradycardia while on theophylline
major surgery
patent ductus
arteriosus requiring surgical treatment
assisted
ventilation for 15-28 days
|
IV
|
|
birthweight <
1,000 grams
periventricular-intraventricular
hemorrhage grade I or II
apnea or
bradycardia requiring theophylline or related drugs
patent ductus
arteriosus treated by indomethacin
hyperbilirubinemia
requiring exchange transfusion
assisted
ventilation for 3-14 days
|
III
|
|
birthweight >
1,000 grams
patent ductus
arteriosus not requiring drug treatment
oxygen required
for >= 1 day
occasional apnea
or bradycardia not requiring theophylline or related drugs
assisted
ventilation for <= 48 hours
|
II
|
|
birthweight >
1,000 grams
free of
respiratory distress
free of major
medical complications but may have benign heart murmur or require
phototherapy
no oxygen
required
absence of apnea
or bradycardia
|
I
|
• Major surgery
does not include usual hernias or correction of testicular torsion.
• The
classification applies to appropriate, small and large for gestational age
infants.
|
Grade
|
Risk of Serious Neurobehavioral
Complications
|
|
I
|
low
|
|
II
|
low-intermediate
|
|
III
|
intermediate
|
|
IV
|
high
|
|
V
|
very
high
|