Please select the eligibility criteria that correspond to the clinical trial below.
Title: euCPSP: European Observational Study on Chronic Post Surgical Pain,PAIN-OUT
Brief Summary: This project a European observational study on the incidence and characteristics of chronic post surgical pain (CPSP).

Research Questions

* What is the incidence of chronic post surgical pain (CPSP) in Europe?
* What are the risk factors of chronic post surgical pain (CPSP) related to surgery, patient and anaesthesia management?
* What are the difference in incidence and risk factors in different European countries?


Options:
A: Inclusion Criteria:

* Patient 18 years old and above
* Patient has given consent
* Patient is able to fill in questionnaire on his\\her own, unaided (exceptions are patients who are unable to fill in the questionnaire for technical reasons, e.g. can not write due to the surgery (e.g. their arm in a cast) or unable to see the text (e.g. spectacles not available); patient is in department, available for interview.
* Patient is capable of participating in the CPSP incidence study (i.e. capable to fill the questionnaires on the website at 6 and 12 months after surgery).
* Time of data collection immediately after surgery is POD1 and 24±12 hrs after surgery.
* Patient has not undergone repeat surgery (same organ) during current hospitalization.
* Patient has undergone a surgery included in the appendix 1 list below:

List of surgeries to be included:

Surgery without preoperative pain

1. Thoracotomy for lung cancer
2. Breast surgery for cancer
3. Inguinal hernia repair (laparoscopic)
4. Hysterectomy (laparoscopic)
5. Hysterectomy (open)
6. Hysterectomy (vaginal)
7. Colectomy (laparoscopic)
8. Colectomy (open)
9. Thyroidectomy
10. C section
11. High gastric bypass
12. Laparoscopy
13. Prostatectomy

Surgery with potential preoperative pain

1. Cholecystectomy (laparoscopic)
2. Cholecystectomy (open)
3. Total knee arthroplasty
4. Knee arthroscopy
5. Total hip arthroplasty
6. Extracorporeal circulation auxiliary to open heart surgery
7. Spinal surgery
8. Hip arthrotomy

Exclusion Criteria:

* patient not fulfilling at least one of the inclusion criteria mentioned above
B: Inclusion Criteria:

* Pregnant women with a gestational age of 63 days or less
* Desire a medical abortion with mifepristone and misoprostol

Exclusion Criteria:

- Have contraindications to ibuprofen
C: Inclusion Criteria:

* Age\<=18 years
* Undergoing ERCP (defined as cannulation of the major or minor papilla) for any indication

Exclusion Criteria:

* Age\>18
* Pancreatitis within the 72 hours preceding ERCP
* Allergy or hypersensitivity to Aspirin or NSAID medications
* Pregnancy or breastfeeding mother
* Cr \>1.4
* Gastrointestinal hemorrhage in preceding 72 hours
* Heart disease reliant upon a patient ductus arteriosis
* History of sickle cell disease
D: Inclusion Criteria:

* Patients ages 2-18 undergoing tonsillectomy with or without adenoidectomy by electrocautery alone for sleep disordered breathing or infectious tonsillitis will be included.
* Patients with complex medical conditions and craniofacial abnormalities will be included.
* Informed consent and child assent will be required for enrollment

Exclusion Criteria:

* Patients with a known personal or family history of a bleeding disorder will be excluded.
* Patients with a history of asthma, kidney or liver problems will also be excluded.
* Patients with tonsillectomy or adenoidectomy performed using a cold knife technique, microdebrider, coblation or plasma knife.
* Patients on NSAIDs for other medical conditions, or those who have taken NSAIDs within 1 week of surgery will be excluded.
* Patients with allergy to aspirin or other NSAIDs, acetaminophen, Red Dye #40 or Red Dye #33 will also be excluded.
* Pregnancy testing using urine β-subunit of hCG gonadotropin (beta-HCG) will be performed on all children \> 13 years of age, or those younger than 13 who are menstruating; this is the testing protocol used at the Children's Hospital of Boston. Patients found to be pregnant will be excluded from participation.

Answer: A