Publications by authors named "Michael Bershad"

2 Publications

  • Page 1 of 1

Utilization of Medical Codes for Hypotension in Shock Patients: A Retrospective Analysis.

J Multidiscip Healthc 2021 19;14:861-867. Epub 2021 Apr 19.

Boston Strategic Partners, Inc., Boston, MA, USA.

Purpose: To evaluate the utilization of hypotension diagnosis codes by shock type and year in known hypotensive patients.

Patients And Methods: Retrospective analysis of the Medicare fee-for-service claims database. Patients with a shock diagnosis code between 2011 and 2017 were identified using the International Classification of Diseases, Ninth and Tenth Revision, Clinical Modification (ICD-9-CM and ICD-10-CM). Based on specific ICD codes corresponding to each shock type, patients were classified into four mutually exclusive cohorts: cardiogenic shock, hypovolemic shock, septic shock, and other/unspecified shock. Annual proportion and counts of cases with at least one hypotension ICD code for each shock cohort were generated to produce 7-year medical code utilization trends. A Cochran-Armitage test for trend was performed to evaluate the statistical significance.

Results: A total of 2,200,275 shock patients were analyzed, 13.3% (n=292,192) of which received a hypotension code. Hypovolemic shock cases were the most likely to receive a hypotension code (18.02%, n=46,544), while septic shock cases had the lowest rate (11.48%, n=158,348). The proportion of patients with hypotension codes for other cohorts were 18.0% (n=46,544) for hypovolemic shock and 16.9% (n=32,024) for other/unspecified shock. The presence of hypotension codes decreased by 0.9% between 2011 and 2014, but significantly increased from 10.6% in 2014 to 17.9% in 2017 (p <0.0001, Z=-105.05).

Conclusion: Hypotension codes are remarkably underutilized in known hypotensive patients. Patients, providers, and researchers are likely to benefit from improved hypotension coding practices.
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http://dx.doi.org/10.2147/JMDH.S305985DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8064679PMC
April 2021

Association between perioperative fluid management and patient outcomes: a multicentre retrospective study.

Br J Anaesth 2021 Mar 13;126(3):720-729. Epub 2020 Dec 13.

Department of Critical Care Medicine, Orlando Regional Medical Center, Orlando, FL, USA. Electronic address:

Background: Postoperative complications increase hospital length of stay and patient mortality. Optimal perioperative fluid management should decrease patient complications. This study examined associations between fluid volume and noncardiac surgery patient outcomes within a large multicentre US surgical cohort.

Methods: Adults undergoing noncardiac procedures from January 1, 2012 to December 31, 2017, with a postoperative length of stay ≥24 h, were extracted from a large US electronic health record database. Patients were segmented into quintiles based on recorded perioperative fluid volumes with Quintile 3 (Q3) serving as the reference. The primary outcome was defined as a composite of any complications during the surgical admission and a postoperative length of stay ≥7 days. Secondary outcomes included in-hospital mortality, respiratory complications, and acute kidney injury.

Results: A total of 35 736 patients met the study criteria. There was a U-shaped pattern with highest (Q5) and lowest (Q1) quintiles of fluid volumes having increased odds of complications and a postoperative length of stay ≥7 days (Q5: odds ratio [OR] 1.51 [95% confidence interval {CI}: 1.30-1.74], P<0.001; Q1: OR 1.20 [95% CI: 1.04-1.38], P=0.011) compared with Q3. Patients in Q5 had greater odds of more severe acute kidney injury compared with Q3 (OR 1.52 [95% CI: 1.22-1.90]; P<0.001) and respiratory complications (OR 1.44 [95% CI: 1.17-1.77]; P<0.001).

Conclusions: Both very high and very low perioperative fluid volumes were associated with an increase in complications after noncardiac surgery.
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http://dx.doi.org/10.1016/j.bja.2020.10.031DOI Listing
March 2021
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