Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D006333', 'term': 'Heart Failure'}, {'id': 'D006349', 'term': 'Heart Valve Diseases'}, {'id': 'D002318', 'term': 'Cardiovascular Diseases'}], 'ancestors': [{'id': 'D006331', 'term': 'Heart Diseases'}]}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2018-08-08', 'size': 213223, 'label': 'Study Protocol and Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'Prot_SAP_001.pdf', 'typeAbbrev': 'Prot_SAP', 'uploadDate': '2024-05-21T08:46', 'hasProtocol': True}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'RETROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 813}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2011-01-01', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2024-06', 'completionDateStruct': {'date': '2022-03-21', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2024-06-11', 'studyFirstSubmitDate': '2021-04-01', 'studyFirstSubmitQcDate': '2021-04-05', 'lastUpdatePostDateStruct': {'date': '2024-06-14', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2021-04-08', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2020-06-23', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Expanded Major Adverse Cardiac Events', 'timeFrame': 'In-hospital admission (within 120 days of index surgery)', 'description': 'Composite outcome defined as any cardiovascular death, non-fatal MI, non-fatal stroke, post-operative CHF, or new dysrhythmias, all within the index hospital admission.'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['major vascular surgery', 'major adverse cardiac events'], 'conditions': ['Left-Sided Heart Failure', 'Right-Sided Heart Failure', 'Heart Valve Diseases']}, 'referencesModule': {'references': [{'pmid': '30678531', 'type': 'BACKGROUND', 'citation': 'Reis PV, Lopes AI, Leite D, Moreira J, Mendes L, Ferraz S, Amaral T, Mourao J, Abelha F. Major Cardiac Events in Patients Admitted to Intensive Care After Vascular Noncardiac Surgery: A Retrospective Cohort. Semin Cardiothorac Vasc Anesth. 2019 Sep;23(3):293-299. doi: 10.1177/1089253218825442. Epub 2019 Jan 25.'}, {'pmid': '30391950', 'type': 'BACKGROUND', 'citation': 'Golubovic M, Peric V, Stanojevic D, Lazarevic M, Jovanovic N, Ilic N, Djordjevic M, Kostic T, Milic D. Potential New Approaches in Predicting Adverse Cardiac Events One Month after Major Vascular Surgery. Med Princ Pract. 2019;28(1):63-69. doi: 10.1159/000495079. Epub 2018 Nov 4.'}, {'pmid': '8523601', 'type': 'BACKGROUND', 'citation': 'Ouriel K, Green RM, DeWeese JA, Varon ME. Outpatient echocardiography as a predictor of perioperative cardiac morbidity after peripheral vascular surgical procedures. J Vasc Surg. 1995 Dec;22(6):671-7; discussion 678-9. doi: 10.1016/s0741-5214(95)70057-9.'}, {'pmid': '20502115', 'type': 'BACKGROUND', 'citation': 'Flu WJ, van Kuijk JP, Hoeks SE, Kuiper R, Schouten O, Goei D, Elhendy A, Verhagen HJ, Thomson IR, Bax JJ, Fleisher LA, Poldermans D. Prognostic implications of asymptomatic left ventricular dysfunction in patients undergoing vascular surgery. Anesthesiology. 2010 Jun;112(6):1316-24. doi: 10.1097/ALN.0b013e3181da89ca.'}, {'pmid': '30747965', 'type': 'BACKGROUND', 'citation': 'Lerman BJ, Popat RA, Assimes TL, Heidenreich PA, Wren SM. Association of Left Ventricular Ejection Fraction and Symptoms With Mortality After Elective Noncardiac Surgery Among Patients With Heart Failure. JAMA. 2019 Feb 12;321(6):572-579. doi: 10.1001/jama.2019.0156.'}, {'pmid': '19563954', 'type': 'BACKGROUND', 'citation': 'Matyal R, Hess PE, Subramaniam B, Mitchell J, Panzica PJ, Pomposelli F, Mahmood F. Perioperative diastolic dysfunction during vascular surgery and its association with postoperative outcome. J Vasc Surg. 2009 Jul;50(1):70-6. doi: 10.1016/j.jvs.2008.12.032.'}, {'pmid': '36656845', 'type': 'DERIVED', 'citation': 'Meyer MJ, Jameson SA, Gillig EJ, Aggarwal A, Ratcliffe SJ, Baldwin M, Singh KE, Clouse WD, Blank RS. Clinical implications of preoperative echocardiographic findings on cardiovascular outcomes following vascular surgery: An observational trial. PLoS One. 2023 Jan 19;18(1):e0280531. doi: 10.1371/journal.pone.0280531. eCollection 2023.'}]}, 'descriptionModule': {'briefSummary': 'Patient with coronary artery disease (CAD), heart failure and abnormal heart function undergoing major vascular surgery have a high associated high morbidity and mortality with myocardial infarction accounting for 33-50% of perioperative deaths. The prevalence of CAD in vascular surgery patients approaches 50%. Proper pre-procedure protocols to accurately assess patients and determine who may require further medical optimization prior to undergoing surgery help mitigate risk and improve outcomes. The investigators designed this study as a single center, retrospective cohort analysis to explore the association between ventricular (LV and RV function) and valvular (Aortic / Mitral / Tricuspid) function and expanded major adverse cardiac events (X-MACE).'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'Patients who underwent major vascular surgery operations at the University of Virginia', 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Major vascular surgery operation (e.g. CEA, open aortic repair, suprainguinal and infrainguinal bypasses, EVAR, TEVAR) captured in the UVA Vascular Quality Initiative database\n* Echocardiography within two years of index operation\n\nExclusion Criteria:\n\n* If patient had additional qualifying vascular procedure within 30 days of the index operation, this procedure was excluded'}, 'identificationModule': {'nctId': 'NCT04836702', 'briefTitle': 'Echocardiography as Risk-Assessment for Major Adverse Cardiac Events in Major Vascular Surgery Patients', 'organization': {'class': 'OTHER', 'fullName': 'University of Virginia'}, 'officialTitle': 'Vascular Surgery Outcomes: Echocardiography as Risk-Assessment for Major Adverse Cardiac Events in Major Vascular Surgery Patients', 'orgStudyIdInfo': {'id': '20906'}}, 'armsInterventionsModule': {'armGroups': [{'label': 'Left ventricular function', 'description': '* Depressed LV function\n\n 1. LV ejection fraction \\< 50%\n 2. LV systolic function; defined as mild / mod / sev decreased\n 3. LV diastolic function; defined as mild (g1 ) / mod (g2) / sev ( g3) decreased\n* Normal LV function'}, {'label': 'Right ventricular function', 'description': '* Depressed RV function\n\n a. RV systolic function defined as mild / mod / sev decreased\n* Normal RV function'}, {'label': 'Valvular lesions', 'description': '* Moderate or severe valvular lesions\n\n 1. Aortic stenosis\n 2. Aortic regurgitation\n 3. Mitral stenosis\n 4. Mitral regurgitation\n 5. Tricuspid regurgitation\n* Clinically normal valvular lesions\n\n 1. No valvular lesion\n 2. Mild stenosis / regurgitation of above mentioned lesions'}]}, 'contactsLocationsModule': {'overallOfficials': [{'name': 'Matthew Meyer, MD', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Assistant Professor of Anesthesiology at University of Virginia'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'UNDECIDED', 'description': 'Will be made on an individual basis in accordance with guidance from the IRB and VQI panel'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'University of Virginia', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Principal Investigator', 'investigatorFullName': 'Margaret Clarke Tracci', 'investigatorAffiliation': 'University of Virginia'}}}}