{
    "info": {
        "nct_id": "NCT01720966",
        "official_title": "Adhesions After Open Versus Laparoscopic Resection of Colorectal Malignancies Detected During Liver Resection",
        "inclusion_criteria": "* laparotomy or laparoscopy for intended liver resection or radio frequency ablation for colorectal metastases\n* laparoscopy or laparotomy for colorectal malignancy in history\n* age ≥18 years\nHealthy volunteers allowed\nMust have minimum age of 18 Years\nMust have maximum age of 100 Years",
        "exclusion_criteria": "* a history of abdominal surgery with a high risk of adhesions either before resection of the primary tumour or during the interval between resection of the primary tumour and liver resection. These high risk surgeries are:\n\n  * Colorectal surgery\n  * Ovarian surgery\n  * Abdominal wall surgery\n* mental incompetence",
        "miscellaneous_criteria": ""
    },
    "inclusion_lines": [
        {
            "line": "* laparotomy or laparoscopy for intended liver resection or radio frequency ablation for colorectal metastases",
            "criterions": [
                {
                    "exact_snippets": "laparotomy or laparoscopy for intended liver resection",
                    "criterion": "surgical procedure",
                    "requirements": [
                        {
                            "requirement_type": "type",
                            "expected_value": [
                                "laparotomy",
                                "laparoscopy"
                            ]
                        },
                        {
                            "requirement_type": "purpose",
                            "expected_value": "intended liver resection"
                        }
                    ]
                },
                {
                    "exact_snippets": "radio frequency ablation for colorectal metastases",
                    "criterion": "radio frequency ablation",
                    "requirements": [
                        {
                            "requirement_type": "purpose",
                            "expected_value": "colorectal metastases"
                        }
                    ]
                }
            ]
        },
        {
            "line": "* laparoscopy or laparotomy for colorectal malignancy in history",
            "criterions": [
                {
                    "exact_snippets": "laparoscopy or laparotomy for colorectal malignancy in history",
                    "criterion": "surgical procedure for colorectal malignancy",
                    "requirements": [
                        {
                            "requirement_type": "history",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* age ≥18 years",
            "criterions": [
                {
                    "exact_snippets": "age ≥18 years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "value",
                            "expected_value": {
                                "operator": ">=",
                                "value": 18,
                                "unit": "years"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "Healthy volunteers allowed",
            "criterions": [
                {
                    "exact_snippets": "Healthy volunteers allowed",
                    "criterion": "volunteer health status",
                    "requirements": [
                        {
                            "requirement_type": "status",
                            "expected_value": "healthy"
                        }
                    ]
                }
            ]
        },
        {
            "line": "Must have minimum age of 18 Years",
            "criterions": [
                {
                    "exact_snippets": "minimum age of 18 Years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "minimum",
                            "expected_value": {
                                "operator": ">=",
                                "value": 18,
                                "unit": "Years"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "Must have maximum age of 100 Years",
            "criterions": [
                {
                    "exact_snippets": "maximum age of 100 Years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "maximum",
                            "expected_value": {
                                "operator": "<=",
                                "value": 100,
                                "unit": "Years"
                            }
                        }
                    ]
                }
            ]
        }
    ],
    "exclusion_lines": [
        {
            "line": "* a history of abdominal surgery with a high risk of adhesions either before resection of the primary tumour or during the interval between resection of the primary tumour and liver resection. These high risk surgeries are:",
            "criterions": [
                {
                    "exact_snippets": "a history of abdominal surgery",
                    "criterion": "abdominal surgery history",
                    "requirements": [
                        {
                            "requirement_type": "risk of adhesions",
                            "expected_value": "high"
                        }
                    ]
                },
                {
                    "exact_snippets": "before resection of the primary tumour",
                    "criterion": "timing of abdominal surgery",
                    "requirements": [
                        {
                            "requirement_type": "timing",
                            "expected_value": "before resection of the primary tumour"
                        }
                    ]
                },
                {
                    "exact_snippets": "during the interval between resection of the primary tumour and liver resection",
                    "criterion": "timing of abdominal surgery",
                    "requirements": [
                        {
                            "requirement_type": "timing",
                            "expected_value": "during the interval between resection of the primary tumour and liver resection"
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Colorectal surgery",
            "criterions": [
                {
                    "exact_snippets": "Colorectal surgery",
                    "criterion": "colorectal surgery",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Ovarian surgery",
            "criterions": [
                {
                    "exact_snippets": "Ovarian surgery",
                    "criterion": "ovarian surgery",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Abdominal wall surgery",
            "criterions": [
                {
                    "exact_snippets": "Abdominal wall surgery",
                    "criterion": "abdominal wall surgery",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* mental incompetence",
            "criterions": [
                {
                    "exact_snippets": "mental incompetence",
                    "criterion": "mental competence",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    ]
                }
            ]
        }
    ],
    "miscellaneous_lines": [],
    "failed_inclusion": [],
    "failed_exclusion": [],
    "failed_miscellaneous": []
}