Publications by authors named "Saghar Niaz"

2 Publications

  • Page 1 of 1

Anticoagulation for newly diagnosed atrial fibrillation and 90-day rates of stroke and bleeding.

CJEM 2021 May 20;23(3):325-329. Epub 2021 Jan 20.

Division of Emergency Medicine, Department of Medicine, McMaster University, Hamilton, ON, Canada.

Background: Atrial fibrillation increases the risk of stroke, which can be mitigated by anticoagulant prescription. We evaluated local emergency physician anticoagulation practice for patients discharged from the emergency department with atrial fibrillation, along with 90-day incidence of stroke and major bleeding.

Methods: This was a health record review of patients diagnosed with new onset atrial fibrillation in two emergency departments between 2014 and 2017. We collected data on CHADS65 scores, contraindications to direct oral anticoagulant (DOAC) prescription and initiation of anticoagulation in the ED. Patient charts were reviewed for the diagnosis of stroke, transient ischemic attack (TIA), systemic embolism or major bleeding within 90 days.

Results: We identified 399 patients, median age 68 (IQR 57-79), 213 (53%) male. Only 299/399 patients had an indication for anticoagulation (CHADS65-positive). Of these 299, 27 had a contraindication to or were already prescribed anticoagulation. 45/272 (17%, 95% confidence interval 12-22%) patients eligible for initiation of anticoagulation left the emergency department with a prescription for anticoagulation. During 90-day follow-up, seven patients had stroke or TIA. Four stroke/TIA patients had been eligible to start an anticoagulant but were not started, two left the emergency department with prescriptions for an anticoagulant and one patient had a contraindication to initiating anticoagulation in the emergency department. There were no major bleeding episodes.

Conclusion: Few eligible patients were prescribed anticoagulation and the 90-day stroke rate was high. Physicians should become familiar with the CAEP Acute AF Best Practices Checklist AF which offers guidance on anticoagulation prescription.
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http://dx.doi.org/10.1007/s43678-020-00054-yDOI Listing
May 2021

Feasibility of a quality improvement project to increase adherence to evidence-based pulmonary embolism diagnosis in the emergency department.

Pilot Feasibility Stud 2021 Jan 4;7(1). Epub 2021 Jan 4.

Department of Health Research Methods, Evidence, and Impact, Health Information Research Unit (HIRU), Communication Research Laboratory (CRL), McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4K1, Canada.

Background: Many evidence-based clinical decision tools are available for the diagnosis of pulmonary embolism (PE). However, these clinical decision tools have had suboptimal uptake in the everyday clinical practice in emergency departments (EDs), despite numerous implementation efforts. We aimed to test the feasibility of a multi-faceted intervention to implement an evidence-based PE diagnosis protocol.

Methods: We conducted an interrupted time series study in three EDs in Ontario, Canada. We enrolled consecutive adult patients accessing the ED with suspected PE from January 1, 2018, to February 28, 2020. Components of the intervention were as follows: clinical leadership endorsement, a new pathway for PE testing, physician education, personalized confidential physician feedback, and collection of patient outcome information. The intervention was implemented in November 2019. We identified six criteria for defining the feasibility outcome: successful implementation of the intervention in at least two of the three sites, capturing data on ≥ 80% of all CTPAs ordered in the EDs, timely access to electronic data, rapid manual data extraction with feedback preparation before the end of the month ≥ 80% of the time, and time required for manual data extraction and feedback preparation ≤ 2 days per week in total.

Results: The intervention was successfully implemented in two out of three sites. A total of 5094 and 899 patients were tested for PE in the period before and after the intervention, respectively. We captured data from 90% of CTPAs ordered in the EDs, and we accessed the required electronic data. The manual data extraction and individual emergency physician audit and feedback were consistently finalized before the end of each month. The time required for manual data extraction and feedback preparation was ≤ 2 days per week (14 h).

Conclusions: We proved the feasibility of implementing an evidence-based PE diagnosis protocol in two EDs. We were not successful implementing the protocol in the third ED.

Registration: The study was not registered.
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http://dx.doi.org/10.1186/s40814-020-00741-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7779326PMC
January 2021