Case

Hp

First treatment

Clinical course

1

+

PPI administration → healed

recurred after Hp eradication

PPI readministration → healed

2

PPI administration → resistant

surgery (for penetration, SPV)

maintenance of healing without PPI

3

+

PPI administration → healed

recurred after Hp eradication

PPI readministration → healed

4

PPI administration → healed

continuous PPI administration

maintenance of healing

5

+

PPI administration → healed

recurred after Hp eradication

PPI readministration → healed