What post-operative complications could occur after minimally invasive heart surgery?

Many: Complications of minimally invasive surgery include infection, bleeding, perforation, inflammation, etc.

Same as traditional.: While smaller incisions imply less post op pain it isn't always true. In addition the operation done on the inside should be the same as a traditional operation done via sternotomy . Therefore the complication rate for various heart procedures should be similar or slightly better with mihs.