Drug-drug interactions among elderly patients at hospital discharge: A cross-sectional descriptive study

Research output: Contribution to journalArticle

Abstract

Background: The presence of multiple comorbidities makes prescription of multiple drugs essential in the elderly. Thisis attended with an increased risk of potential drug-drug interactions (DDIs). Aim and objectives: To determine the number of DDIs, their severity, and the common DDIs detected in the prescriptions written for elderly patients of a tertiary care teaching hospital and identify any difference in terms of gender. Material and Methods: This was a cross-sectional study. Every prescription was screened for potential DDIs using the Lexicomp® software. The detected DDIs were classified as X, avoid combination; D, consider therapy modification; and C, monitor therapy as per the Lexicomp® criteria. Results: The data from 124 patients discharged from the General Medicine department of a tertiary care hospital were evaluated. Of these, 67.7% (82/124) were females. A total of 39 category X-DDIs, 71 category D-DDIs, and 349 category C-DDIs were seen. There was a significant positive correlation between the number of drugs prescribed and the number of DDIs detected (p < 0.001). Conclusion: Our study showed that DDIs were common among elderly patients. A large number of DDIs belong to category C, which requires only monitoring of therapy. Careful planning of the treatment regimen at the time of hospital discharge can decrease the number of drugs prescribed and, thereby, the number of potential DDIs can be decreased.

Original languageEnglish
Pages (from-to)88-95
Number of pages8
JournalJournal of Krishna Institute of Medical Sciences University
Volume8
Issue number3
Publication statusPublished - 01-01-2019

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Drug Interactions
Cross-Sectional Studies
Pharmaceutical Preparations
Tertiary Healthcare
Prescriptions
Prescription Drugs
Therapeutics
Tertiary Care Centers
Teaching Hospitals
Comorbidity
Software
Medicine

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

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title = "Drug-drug interactions among elderly patients at hospital discharge: A cross-sectional descriptive study",
abstract = "Background: The presence of multiple comorbidities makes prescription of multiple drugs essential in the elderly. Thisis attended with an increased risk of potential drug-drug interactions (DDIs). Aim and objectives: To determine the number of DDIs, their severity, and the common DDIs detected in the prescriptions written for elderly patients of a tertiary care teaching hospital and identify any difference in terms of gender. Material and Methods: This was a cross-sectional study. Every prescription was screened for potential DDIs using the Lexicomp{\circledR} software. The detected DDIs were classified as X, avoid combination; D, consider therapy modification; and C, monitor therapy as per the Lexicomp{\circledR} criteria. Results: The data from 124 patients discharged from the General Medicine department of a tertiary care hospital were evaluated. Of these, 67.7{\%} (82/124) were females. A total of 39 category X-DDIs, 71 category D-DDIs, and 349 category C-DDIs were seen. There was a significant positive correlation between the number of drugs prescribed and the number of DDIs detected (p < 0.001). Conclusion: Our study showed that DDIs were common among elderly patients. A large number of DDIs belong to category C, which requires only monitoring of therapy. Careful planning of the treatment regimen at the time of hospital discharge can decrease the number of drugs prescribed and, thereby, the number of potential DDIs can be decreased.",
author = "Sujit Balodiya and Ashwin Kamath and Rajeshwari Shastry and Chowta, {Mukta N.}",
year = "2019",
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TY - JOUR

T1 - Drug-drug interactions among elderly patients at hospital discharge

T2 - A cross-sectional descriptive study

AU - Balodiya, Sujit

AU - Kamath, Ashwin

AU - Shastry, Rajeshwari

AU - Chowta, Mukta N.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Background: The presence of multiple comorbidities makes prescription of multiple drugs essential in the elderly. Thisis attended with an increased risk of potential drug-drug interactions (DDIs). Aim and objectives: To determine the number of DDIs, their severity, and the common DDIs detected in the prescriptions written for elderly patients of a tertiary care teaching hospital and identify any difference in terms of gender. Material and Methods: This was a cross-sectional study. Every prescription was screened for potential DDIs using the Lexicomp® software. The detected DDIs were classified as X, avoid combination; D, consider therapy modification; and C, monitor therapy as per the Lexicomp® criteria. Results: The data from 124 patients discharged from the General Medicine department of a tertiary care hospital were evaluated. Of these, 67.7% (82/124) were females. A total of 39 category X-DDIs, 71 category D-DDIs, and 349 category C-DDIs were seen. There was a significant positive correlation between the number of drugs prescribed and the number of DDIs detected (p < 0.001). Conclusion: Our study showed that DDIs were common among elderly patients. A large number of DDIs belong to category C, which requires only monitoring of therapy. Careful planning of the treatment regimen at the time of hospital discharge can decrease the number of drugs prescribed and, thereby, the number of potential DDIs can be decreased.

AB - Background: The presence of multiple comorbidities makes prescription of multiple drugs essential in the elderly. Thisis attended with an increased risk of potential drug-drug interactions (DDIs). Aim and objectives: To determine the number of DDIs, their severity, and the common DDIs detected in the prescriptions written for elderly patients of a tertiary care teaching hospital and identify any difference in terms of gender. Material and Methods: This was a cross-sectional study. Every prescription was screened for potential DDIs using the Lexicomp® software. The detected DDIs were classified as X, avoid combination; D, consider therapy modification; and C, monitor therapy as per the Lexicomp® criteria. Results: The data from 124 patients discharged from the General Medicine department of a tertiary care hospital were evaluated. Of these, 67.7% (82/124) were females. A total of 39 category X-DDIs, 71 category D-DDIs, and 349 category C-DDIs were seen. There was a significant positive correlation between the number of drugs prescribed and the number of DDIs detected (p < 0.001). Conclusion: Our study showed that DDIs were common among elderly patients. A large number of DDIs belong to category C, which requires only monitoring of therapy. Careful planning of the treatment regimen at the time of hospital discharge can decrease the number of drugs prescribed and, thereby, the number of potential DDIs can be decreased.

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