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Global incidence and case fatality rate of pulmonary embolism following major surgery: a protocol for a systematic review and meta-analysis of cohort studies.

ABSTRACT: Pulmonary embolism (PE) is a life-threatening condition common after major surgery. Although the high incidence (0.3-30%) and mortality rate (16.9-31%) of PE in patients undergoing major surgical procedures is apparent from findings of contemporary observational studies, there is a lack of a summary and meta-analysis data on the epidemiology of postoperative PE in this same regard. Hence, we propose to conduct the first systematic review to summarise existing data on the global incidence, determinants and case fatality rate of PE following major surgery.Electronic databases including MEDLINE, EMBASE, SCOPUS, WHO global health library (including LILACS), Web of Science and Google scholar from inception to April 30, 2017, will be searched for cohort studies reporting on the incidence, determinants and case fatality rate of PE occurring after major surgery. Data from grey literature will also be assessed. Two investigators will independently perform study selection and data extraction. Included studies will be evaluated for risk of bias. Appropriate meta-analytic methods will be used to pool incidence and case fatality rate estimates from studies with identical features, globally and by subgroups of major surgical procedures. Random-effects and risk ratio with 95% confidence interval will be used to summarise determinants and predictors of mortality of PE in patients undergoing major surgery.This systematic review and meta-analysis will provide the most up-to-date epidemiology of PE in patients undergoing major surgery to inform health authorities and identify further research topics based on the remaining knowledge gaps.PROSPERO CRD42017065126.

SUBMITTER: Temgoua MN

PROVIDER: S-EPMC5716368 | biostudies-other | 2017 Dec

REPOSITORIES: biostudies-other

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Global incidence and case fatality rate of pulmonary embolism following major surgery: a protocol for a systematic review and meta-analysis of cohort studies.

Temgoua Mazou N MN Tochie Joel Noutakdie JN Noubiap Jean Jacques JJ Agbor Valirie Ndip VN Danwang Celestin C Endomba Francky Teddy A FTA Nkemngu Njinkeng J NJ

Systematic reviews 20171204 1

<h4>Background</h4>Pulmonary embolism (PE) is a life-threatening condition common after major surgery. Although the high incidence (0.3-30%) and mortality rate (16.9-31%) of PE in patients undergoing major surgical procedures is apparent from findings of contemporary observational studies, there is a lack of a summary and meta-analysis data on the epidemiology of postoperative PE in this same regard. Hence, we propose to conduct the first systematic review to summarise existing data on the globa ...[more]

PMID: 29202836

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Project description:Pulmonary embolism (PE) is a major cause of cardiovascular morbidity and mortality. Recent hospitalization or surgery is a leading risk factor for PE, yet there are minimal data examining its effect on treatment and outcomes. We conducted a retrospective review of institutional billing codes for hospitalized patients with acute PE from August 2012 to August 2018. Patients were stratified based on whether they had a recent major medical encounter (MME), defined as surgery or hospitalization within 90 days. Primary outcomes included in-hospital mortality and 30- and 90-day readmission rates. Secondary outcomes included length of stay (LOS), use of advanced therapies, major bleeding, discharge anticoagulation and recurrent venous thromboembolism (VTE) at 90 days. Outcomes were adjusted for confounders using multivariable regression modeling. 2063 patients were hospitalized for an acute PE; 633 (30.7%) had a recent MME. Patients with a recent MME had a higher average Charlson Comorbidity Index (4.6 vs. 4.0, p < 0.01). Both 30- and 90-day readmission rates were higher in patients with a recent MME (21.7% vs. 14.4%; adjusted OR 1.06 [1.00, 1.12], p = 0.037; 30.8% vs 18.7%; adjusted OR 1.11 [1.11, 1.62], p = 0.003, respectively). After adjustment, there were no between-group differences in in-hospital mortality, LOS, use of advanced therapies, major bleeding, or recurrent VTE at 90 days. In-hospital mortality was higher for patients with a recent medical hospitalization compared to those with a recent surgery (10.2% vs. 5.6%, adjusted OR 1.08 [1.01, 1.15] p = 0.032). Despite recent hospitalization and/or surgery and greater number of comorbidities, patients admitted with a PE and recent MME had similar in-hospital outcomes, but experienced higher readmission rates. In-hospital mortality was higher in those with a recent medical compared to surgical encounter. Clinicians should optimize post-discharge transitional care in this subset of patients.

Project description:AIMS:Data on the early course and use of systemic thrombolysis in pregnant women with pulmonary embolism associated or not with haemodynamic failure are scarce. We investigated these aspects using the information from the German Nationwide Inpatient Registry (years 2005-2016). METHODS AND RESULTS:In Germany, all diagnoses referring to hospitalized patients are coded according to the International Classification of Diseases and Related Health Problems, 10th Revision with German Modification. We analysed data of pregnant women aged 18-50 years for whom the following diagnoses were recorded during hospitalization: (i) pulmonary embolism (I26) during pregnancy or peripartum (O09) or (ii) obstetric thromboembolism (O88.2). Haemodynamic failure at any time during the in-hospital stay was defined as need for cardiopulmonary resuscitation (OPS code 8-77) or the presence of shock (International Classification of Diseases and Related Health Problems, 10th Revision with German Modification code R57). The primary study outcome was in-hospital death. A total of 8 271 327 births were registered in Germany from 2005 to 2016. During this 12 year time period, there were 1846 hospitalizations for pregnancy-associated pulmonary embolism in patients aged 18-50, corresponding to 2.2 [95% confidence interval (CI): 2.1-2.3] cases every 10 000 births and 0.2% of all hospitalizations for pulmonary embolism in Germany. The median age was 31 years, and the median length of hospitalization was 8 days. A total of 63 deaths were reported, corresponding to an overall in-hospital fatality rate of 3.4% (95% CI: 2.7-4.4) and a pulmonary embolism-related mortality rate of 0.8 (95% CI: 0.6-1.0) per 100 000 (live) births per year. Pulmonary embolism-related deaths in hospitalized pregnant women represented 14% of all maternal deaths recorded in Germany between 2005 and 2016. A total of 135 (7.3%) women had haemodynamic failure, of whom 51 (37.8%) received systemic thrombolysis and 50 (37.0%) died. CONCLUSIONS:Pulmonary embolism-related fatality remains substantial in pregnant women with pulmonary embolism and represents a frequent cause of maternal mortality. The use of systemic thrombolysis was reported in one third of pregnant women with pulmonary embolism and haemodynamic failure. Better preventive and management strategies should be urgently implemented in this vulnerable patient group.

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Global incidence and case fatality rate of pulmonary embolism following major surgery: a protocol for a systematic review and meta-analysis of cohort studies.

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Global incidence and case fatality rate of pulmonary embolism following major surgery: a protocol for a systematic review and meta-analysis of cohort studies.

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