{
    "info": {
        "nct_id": "NCT02645474",
        "official_title": "Is PECS Block Equivalent to Paravertebral Block in Preventing Postoperative Pain After Breast Surgery? A Randomized, Controlled, Double-blind, Multicenter Trial",
        "inclusion_criteria": "* adult patients\n* ASA class 1 to 3 patients\n* patients scheduled for elective breast mastectomy or quadrantectomy\nHealthy volunteers allowed\nMust be FEMALE\nMust have minimum age of 18 Years",
        "exclusion_criteria": "* patients' refusal\n* contraindication to regional anaesthesia (coagulopathies, concurrent anticoagulant therapy, allergy to local anaesthetics, infection at puncture site)",
        "miscellaneous_criteria": ""
    },
    "inclusion_lines": [
        {
            "line": "* adult patients",
            "criterions": [
                {
                    "exact_snippets": [
                        "adult patients"
                    ],
                    "criterion": "age",
                    "requirement_type": "category",
                    "expected_value": "adult"
                }
            ]
        },
        {
            "line": "* ASA class 1 to 3 patients",
            "criterions": [
                {
                    "exact_snippets": [
                        "ASA class 1 to 3"
                    ],
                    "criterion": "ASA class",
                    "requirement_type": "range",
                    "expected_value": {
                        "comparisons": [
                            {
                                "operator": ">=",
                                "value": 1
                            },
                            {
                                "operator": "<=",
                                "value": 3
                            }
                        ]
                    }
                }
            ]
        },
        {
            "line": "* patients scheduled for elective breast mastectomy or quadrantectomy",
            "criterions": [
                {
                    "exact_snippets": [
                        "patients scheduled for elective breast mastectomy"
                    ],
                    "criterion": "breast mastectomy",
                    "requirement_type": "scheduled",
                    "expected_value": true
                },
                {
                    "exact_snippets": [
                        "patients scheduled for elective",
                        "quadrantectomy"
                    ],
                    "criterion": "quadrantectomy",
                    "requirement_type": "scheduled",
                    "expected_value": true
                }
            ]
        },
        {
            "line": "Healthy volunteers allowed",
            "criterions": [
                {
                    "exact_snippets": [
                        "Healthy volunteers allowed"
                    ],
                    "criterion": "healthy volunteers",
                    "requirement_type": "participation",
                    "expected_value": true
                }
            ]
        },
        {
            "line": "Must be FEMALE",
            "criterions": [
                {
                    "exact_snippets": [
                        "Must be FEMALE"
                    ],
                    "criterion": "gender",
                    "requirement_type": "specific value",
                    "expected_value": "female"
                }
            ]
        },
        {
            "line": "Must have minimum age of 18 Years",
            "criterions": [
                {
                    "exact_snippets": [
                        "minimum age of 18 Years"
                    ],
                    "criterion": "age",
                    "requirement_type": "minimum",
                    "expected_value": {
                        "operator": ">=",
                        "value": 18
                    }
                }
            ]
        }
    ],
    "exclusion_lines": [
        {
            "line": "* patients' refusal",
            "criterions": [
                {
                    "exact_snippets": [
                        "patients' refusal"
                    ],
                    "criterion": "patient consent",
                    "requirement_type": "presence",
                    "expected_value": false
                }
            ]
        },
        {
            "line": "* contraindication to regional anaesthesia (coagulopathies, concurrent anticoagulant therapy, allergy to local anaesthetics, infection at puncture site)",
            "criterions": [
                {
                    "exact_snippets": [
                        "contraindication to regional anaesthesia",
                        "coagulopathies"
                    ],
                    "criterion": "coagulopathies",
                    "requirement_type": "contraindication",
                    "expected_value": true
                },
                {
                    "exact_snippets": [
                        "contraindication to regional anaesthesia",
                        "concurrent anticoagulant therapy"
                    ],
                    "criterion": "concurrent anticoagulant therapy",
                    "requirement_type": "contraindication",
                    "expected_value": true
                },
                {
                    "exact_snippets": [
                        "contraindication to regional anaesthesia",
                        "allergy to local anaesthetics"
                    ],
                    "criterion": "allergy to local anaesthetics",
                    "requirement_type": "contraindication",
                    "expected_value": true
                },
                {
                    "exact_snippets": [
                        "contraindication to regional anaesthesia",
                        "infection at puncture site"
                    ],
                    "criterion": "infection at puncture site",
                    "requirement_type": "contraindication",
                    "expected_value": true
                }
            ]
        }
    ],
    "miscellaneous_lines": [],
    "failed_inclusion": [],
    "failed_exclusion": [],
    "failed_miscellaneous": []
}