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Association of In-Hospital Surgical Bleeding Events with Prolonged Hospital Length of Stay, Days Spent in Critical Care, Complications, and Mortality: A Retrospective Cohort Study Among Patients Undergoing Neoplasm-Directed Surgeries in English Hospitals
Journal article   Open access   Peer reviewed

Association of In-Hospital Surgical Bleeding Events with Prolonged Hospital Length of Stay, Days Spent in Critical Care, Complications, and Mortality: A Retrospective Cohort Study Among Patients Undergoing Neoplasm-Directed Surgeries in English Hospitals

Stephen S. Johnston, Nadine Jamous, Sameer Mistry, Simran Jain, Gaurav Gangoli, Walter Danker, Eric Ammann and Kingsley Hampton
ClinicoEconomics and outcomes research, Vol.13, pp.19-29
01/01/2021
DOI: 10.2147/CEOR.S287970
PMCID: PMC7802902
PMID: 33447063
url
https://doi.org/10.2147/CEOR.S287970View
Published (Version of record) Open Access

Abstract

Purpose: To evaluate the association of in-hospital surgical bleeding events with the outcomes of hospital length of stay (LOS), days spent in critical care, complications, and mortality among patients undergoing neoplasm-directed surgeries in English hospitals. Patients and Methods: This is a retrospective cohort study using English hospital discharge data (Hospital Episode Statistics [HES]) linked to electronic health records (Clinical Practice Research Datalink [CPRD]). HES includes information on patient demographics, admission and discharge dates, diagnoses and procedures, days spent in critical care, and discharge status. CPRD includes information on patient demographics, diagnoses and symptoms, drug exposures, vaccination history, and laboratory tests. Patients aged >= 18 years who underwent selected neoplasm-directed surgeries between 1-Jan-2010 and 29-February-2016: hysterectomy, low anterior resection (LAR), lung resection, mastectomy, and prostate surgery were included. The primary independent variable was in-hospital surgical bleeding events identified by diagnosis of haemorrhage and haematoma complicating a procedure or reopening/re-exploration and surgical arrest of postoperative bleeding. Outcomes included LOS, days spent in critical care, in-hospital complications (diagnoses of infections, acute renal failure, vascular events), and in-hospital mortality, identified during surgery through discharge. Multivariable regression was used to examine the adjusted association of bleeding events with outcomes. Results: The study included 26,437 neoplasm-directed surgeries (hysterectomy=6092; LAR=2957; lung=1538; mastectomy=12,806; prostate=3044). Incidence proportions of bleeding events were: hysterectomy=1.9% (95% confidence interval=1.1-2.5%); LAR=3.0% (CI=2.3-3.6%); lung=1.8% (CI=1.1-2.5%); mastectomy=1.6% (CI=1.3-1.8%); prostate=1.0% (CI=0.6-1.3%). In adjusted analyses, bleeding events were associated with: prolonged LOS: 3.1 (CI=1.1-6.3) mastectomy to 5.7 (CI=3.6-8.2) LAR days longer; more days spent in critical care: 0.4 (CI=0.03-0.27) mastectomy to 6.5 (CI=2.5-13.6) hysterectomy days more; and higher incidence proportions of all examined complications; all P<0.05. Conclusion: This study quantifies a substantial clinical and healthcare resource utilization burden associated with surgical bleeding among patients undergoing neoplasm-directed surgery in England hospitals.
 Health Care Sciences & Services Life Sciences & Biomedicine Science & Technology

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