Inclusion criteria:

Age ≥ 18 Y N

Platelet count: 100 ~ 350 × 109/L Y N

Hemoglobin ≥ 10 g/dl Y N

Diagnosed as ACS Y N

Receiving dual antiplatelet therapy Y N

Did not take proton pump inhibitor Y N

Exclusion criteria:

Severe bleeding disease within 1 month Y N

Combined with other serious organ diseases Y N

Used glucocorticoids within 1 month Y N

Basic information

Name: Gender: male female Date of birth: Hospital number:

Native place: Race: Working place: Telephone:

Height: (cm) Weigh: (kg) BMI: (kg/m2)

Admission time: Discharge time:

Past medical history

Bad hobby

Smoke(Y, N), cigarettes /day Drink(Y, N), ml/day

Allergy history:

Drug allergy history Y Drug name: N

Past medication history: N Y

Drug name: Dosage Duration

History of other common disease:

Hypertension Y N

Diabetes Y N

Heart failure Y N

Cerebrovascular event Y N

Head injury Y N

Chronic obstructive pulmonary disease Y N

Chronic renal insufficiency Y N

Gastrointestinal Diseases Y N

Hyperthyroidism Y N

Hematopathy Y N

Organ transplant Y N

Receiving glucocorticoid Y N

Receiving immunosuppressive therapy Y N

Family history:

Hypertension Y N

Diabetes Y N

Coronary disease Y N

Other diseases Y N

Clinical efficacy

Occurrence time

Treatment

Clinical efficacy evaluation index

cardiovascular death N Y

Acute and subacute stent thrombosis N Y

Relapse ACS N Y

Gastrointestinal injury

Occurrence time

Duration

Treatment

Gastrointestinal symptoms

Nausea N Y

Vomit N Y

Abdominal pain N Y

Diarrhea N Y

Haematemesis N Y

Melena N Y

Diagnosis

Gastrointestinal mucosal erosion N Y

Gastrointestinal ulcer N Y

Gastrointestinal bleeding N Y

Adverse reactions: N Y