Alterations in the Coagulation System during Major Visceral Surgery in Children

Table 1

Surgical procedures in the two groups.

	Refused participation	Excluded	Included
Major procedures (group 1)
Laparotomy
Bowel resection and anastomosis	4	1	9
Colostomy	0	1	5
Diaphragmatic hernia repair	0	0	2
Duodenoduodenostomy	1	1	1
Explorative	1	1	2
Pancreatic resection	0	2	1
Splenectomy	0	0	1
Excision of neuroblastoma	0	0	1
Nephrectomy (Wilms’ tumour)	0	0	2
Excision of benign cyst	1	1	4
Thoracotomy
Esophageal atresia	2	3	1
Total	9	10	29
Minor procedures (group 2)
Cryptorchidism	12	4	7
Hydrocele	2	1	2
Inguinal hernia	3	7	14
Umbilical hernia	4	3	6
Total	21	15	29