Table 2

 New diagnoses found at autopsy in extremely preterm infants dying before 28 days of age

GA (weeks)BW (g)Age at death (days)Main clinical diagnosesNew diagnoses at AutopsySignificant changeMain cause of death
GA, Gestational age; BW, birth weight; IVH, intraventricular haemorrhage; NEC, necrotising enterocolitis; PVH, periventricular haemorrhage; PVL, periventricular leucomalacia; HMD, hyaline membrane disease; PIE, pulmonary interstitial emphysema; TPN, total parenteral nutrition; PPROM, prolonged preterm rupture of membranes.
2547015Lung disease with ongoing air leak. Asphyxial episode with pneumothorax. Presumed tracheal injuryPulmonary haemorrhage. Pneumonia: right middle lobe. Cerebral cortical haemorrhage. Tracheal injury establishedNoIatrogenic: tracheal laceration
22445<1Extreme prematurity. No active resuscitation. TwinMeckel’s diverticulumNoExtreme prematurity: no active treatment
22585<1Extreme prematurity. No active resuscitation. Twin of above infantEvidence of perinatal asphyxiaYesExtreme prematurity with perinatal asphyxia: no active treatment
255508Bilateral cystic kidneys. Lung disease. Renal failureUnilateral renal agenesis. Multicystic dysplastic kidney. Congenital pneumonia (renal ultrasound misinterpreted)YesCongenital renal anomaly: absent kidney
278808Resolving lung disease. Collapse day 8Long line perforation of right atrium with S epidermidis sepsisYesIatrogenic: long-line perforation
256804Fetal ventriculomegaly. Bilateral severe IVH. Hypovolaemic collapseCongenital pneumonia. Multiorgan ischaemic changesNoPerinatal infection
2347510Resolving lung disease. Bilateral grade 3 IVH. ? NECCandida septicaemia with bowel perforation and cerebral abscess. Traumatic perforation of stomachYesPostnatal Infection
266705Lung disease. Major pulmonary haemorrhageGerminal matrix and subarachnoid haemorrhage. Periventricular leucomalaciaNoPulmonary haemorrhage
24650<1Clinical lung hypoplasiaPrevious bowel perforationNoPulmonary hypoplasia
23576<1Failure to resuscitate. Suspected pulmonary hypoplasiaMild oligohydramnios sequence. Pulmonary aspiration of blood. Large retroplacental haemorrhageYesPerinatal asphyxia
24402<1Reverse Doppler flow. Cleft soft palate. Lung diseaseVentricular septal defect. Bilateral pleural effusionsNoSevere fetal growth restriction
27810<1Clinical lung hypoplasia. Bilateral talipes. Oedema right legHypoplastic R common iliac and R umbilical arteriesNoPulmonary hypoplasia
278802Perinatal asphyxia. Right grade 4 IVH. Cerebellar haemorrhageRight subdural haemorrhage. Global cerebral ischaemia. Ventricular septal defectNoPerinatal asphyxia
278308Lung disease. Aortic thrombosis. Renal failureBilateral renal infarction. Bilateral adrenal necrosis. Pulmonary haemorrhageNoIatrogenic: aortic thrombosis with renal failure
234202Twin-twin transfusion. Donor twin. Lung disease. Pulmonary haemorrhageBilateral IVH grade 3. Haemorrhage around the right umbilical arteryNoPulmonary haemorrhage
25690<1Severe lung disease. Never stable after initial resuscitationAspiration of contaminated amniotic fluid. Severe placental diseaseYesSevere respiratory disease due to antenatal aspiration of blood contaminated liquor
25101219Bilateral grade 3 IVH, PVL. Skin breakdown, right buttock. Pericardial & pleural effusions with TPN. Postnatal asphyxiaFresh IVH and PVH haemorrhage. Focal adrenal necrosis. Pulmonary haemorrhageNoIatrogenic: long line perforation
2570019Severe lung disease. S aureus septicaemia with shock and NECPulmonary fibroplasia. Extensive myocardial necrosis. Oesophagus: multiple abrasionsNoInfection
246928Twin-twin transfusion. Recipient twin. Severe lung disease. Bilateral grade 4 IVHBrain stem gliosis and PVL. Early NEC. Thrombus right umbilical arteryNoSevere HMD with PIE
2599413Mild RDS. Haemorrhage ? pulmonary. S epidermidis culturedMassive pulmonary haemorrhageYesPulmonary haemorrhage
2541420Reversed Doppler flow. Severe lung disease. Small left kidney. Abdominal calcificationTPN hepatitis. Prenatal renal vascular thrombosis. Fresh cerebellar haemorrhage. Dystrophic calcification in bowelNoSevere fetal growth restriction
2712369Abruption. Severe lung disease. Intestinal perforation. Bilateral IVH. Renal failureHypoxic-ischaemic injury in periventricular white matter. Gastric ulcerations. Oesophageal ulcerations. TPN effect with cholestasisNoPerinatal asphyxia
24680<1Deep decelerations. ? Supraglottic mass. Pneumothorax. Failure to resuscitatePlug of mucoid material was found to occlude the tracheal lumen and extended the whole length of the tracheaYesAmniotic fluid plug in trachea after PPROM 1 week before delivery