Outcomes of Disconnective Surgery in Intractable Pediatric Hemispheric and Subhemispheric Epilepsy

Table 4

Comparison of surgical techniques, seizure outcomes, and complications.

Author and year	Technique	No. of patients	Engels Class1 outcome	Complications	Mean followup (years)
Schramm et al. [10]	Transylvian hemispherectomy	20	88%	Mortality 5%; Infection 5%	3.8
Villemure and Daniel [9]	Peri-insular hemispherotomy	43	90%	Mortality 2% Hydrocephalus 2% Hemorrhage 5%	9
Delalande et al. [11]	Vertical hemispherotomy	83	74%	Mortality 4% Hydrocephalus 16%	4.4
Thomas et al.; our series	Peri-insular hemispherotomy and posterior quadrantectomy	34	91.1%	Mortality 0% Hydrocephalus 2.9% Pseudomeningocele 5.8%	2.5