{"type":"trials","record":{"id":36378,"source_id":"clinicaltrials-gov","external_id":"NCT04654663","title":"Impact of Sarcopenia Index on Postoperative Pulmonary Complication in Elderly Patients Undergoing OPCAB","brief_summary":"Retrospective data collection. The aim of this study is to determine the effect of preoperative sarcopenia index on postoperative pulmonary complications in elderly patients undergoing off-pump coronary artery bypass graft surgery.","overall_status":"Completed","phases":[],"study_type":"OBSERVATIONAL","sponsor":"Yonsei University","enrollment":605,"countries":["South Korea"],"start_date":"2020-12-07","completion_date":"2021-01-15","last_update_date":"2021-07-28","source_url":"https://clinicaltrials.gov/study/NCT04654663","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-25T01:20:24.196666+00:00","last_seen_at":"2026-09-25T06:10:25.747+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":"65 Years","comparator":null,"organization":"Yonsei University","interventions":[],"registry_source":"ClinicalTrials.gov","outcome_measures":["postoperative pulmonary complications : pneumonia — During the hospitalization for surgery. This includes the entire po…","postoperative pulmonary complications : prolonged ventilation — During the hospitalization for surgery. This includes t…","postoperative pulmonary complications : reintubation — During the hospitalization for surgery. This includes the entire…","postoperative complications : Renal failure — During the hospitalization for surgery. This includes the entire postoper…","postoperative complications : Delirium — During the hospitalization for surgery. This includes the entire postoperative…","postoperative complications : Reoperation due to bleeding/tamponade — During the hospitalization for surgery. This incl…","postoperative complications : Permanent stroke — During the hospitalization for surgery. This includes the entire posto…","postoperative complications : Mortality — During the hospitalization in which the operation was performed, even if afte…","postoperative complications : Mortality — After discharge from the hospital, but before the end of the 30th postoperati…"],"design_description":null,"source_has_results":false},"controlled_terms":["Coronary Artery Occlusive Disease"],"relevance_confidence":100,"source_quality_score":100,"freshness_score":50,"publication_state":"published","match_explanation":"Title contains controlled term: sarcopenia.","quality_checked_at":"2026-09-25T06:10:37.875473+00:00","duplicate_cluster_key":"id:nct04654663","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2020-12-07 to 2021-01-15","comparator":null,"confidence":"structured-source","population":"ALL · 65 Years","provenance":{"duration":"start_date and completion_date","comparator":"registry arm fields","population":"registry eligibility fields","intervention":"registry intervention fields","participants":"enrollment","study_design":"study_type and registry design fields","evidence_stage":"phases","reported_outcome":"not available","outcomes_measured":"registry outcome-measure fields"},"generated_at":"2026-09-25T06:10:25.877Z","intervention":[],"participants":605,"study_design":"OBSERVATIONAL","subject_scope":"Human clinical study registration","evidence_stage":"Phase not reported","safety_context":"Eligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians.","source_support":"Structured registry protocol metadata; no finding-level conclusion is generated.","main_limitation":"This is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.","reported_outcome":null,"outcomes_measured":["postoperative pulmonary complications : pneumonia — During the hospitalization for surgery. This includes the entire po…","postoperative pulmonary complications : prolonged ventilation — During the hospitalization for surgery. This includes t…","postoperative pulmonary complications : reintubation — During the hospitalization for surgery. This includes the entire…","postoperative complications : Renal failure — During the hospitalization for surgery. This includes the entire postoper…","postoperative complications : Delirium — During the hospitalization for surgery. This includes the entire postoperative…","postoperative complications : Reoperation due to bleeding/tamponade — During the hospitalization for surgery. This incl…","postoperative complications : Permanent stroke — During the hospitalization for surgery. This includes the entire posto…","postoperative complications : Mortality — During the hospitalization in which the operation was performed, even if afte…","postoperative complications : Mortality — After discharge from the hospital, but before the end of the 30th postoperati…"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"sarcopenia","is_published":true,"match_reasons":["Title contains controlled term: sarcopenia.","Abstract contains controlled term: sarcopenia.","Title supplies longevity context: elderly.","Study type is explicitly identified as OBSERVATIONAL."],"matched_fields":["title","abstract","title context","study type"],"relevance_score":100,"intelligence_topics":{"name":"Sarcopenia","slug":"sarcopenia"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/36378","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}