Dataset Information

Prevalence of Critical Errors and Insufficient Peak Inspiratory Flow in Patients Hospitalized with COPD in a Department of General Internal Medicine: A Cross-Sectional Study.

ABSTRACT:

Background

The suboptimal use of inhalers in the treatment of patients with chronic obstructive pulmonary disease (COPD) is probably a major but poorly documented problem in hospitalized patients. We aimed to describe the prevalence of misused inhalers among patients hospitalized with COPD in a department of general internal medicine.

Methods

We conducted a monocentric cross-sectional study in consecutive patients with a diagnosis of COPD and hospitalized between August 2022 and April 2023 in the internal medicine division of Fribourg Hospital, Switzerland. Patients underwent an assessment of their inhaler technique and peak inspiratory flow (PIF) using the In-Check Dial G16^®. The primary outcome was the prevalence of misused inhalers, defined as an inhaler used with a critical error and/or insufficient PIF. Secondary outcomes included the prevalence of inhalers unsuitable to patients' characteristics and of patients using at least one misused inhaler.

Results

The study included 96 patients and 160 inhalers were assessed at admission. Among these inhalers, 111 (69.4%; 95% confidence interval [CI] 61.6-76.4) were misused; 105 (65.6%; 95% CI 57.7-72.9) due to the presence of a critical error in the inhalation technique and 22 (13.8%; 95% CI 8.8-20.1) due to insufficient PIF. Concerning the secondary outcome, 27 inhalers (16.9%) were unsuitable, and 79 patients (82.3%) used at least one misused inhaler.

Conclusion

Among patients hospitalized with a diagnosis of COPD, two-thirds of inhalers were misused. Suboptimal use was mainly due to the presence of critical errors, but also to the presence of an insufficient PIF and unsuitable inhalers.

SUBMITTER: Grandmaison G

PROVIDER: S-EPMC11363973 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature

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Publications

Prevalence of Critical Errors and Insufficient Peak Inspiratory Flow in Patients Hospitalized with COPD in a Department of General Internal Medicine: A Cross-Sectional Study.

Grandmaison Gaël G Grobéty Thomas T Vaucher Julien J Hayoz Daniel D Suter Philipp P

Chronic obstructive pulmonary diseases (Miami, Fla.) 20240701 4

<h4>Background</h4>The suboptimal use of inhalers in the treatment of patients with chronic obstructive pulmonary disease (COPD) is probably a major but poorly documented problem in hospitalized patients. We aimed to describe the prevalence of misused inhalers among patients hospitalized with COPD in a department of general internal medicine.<h4>Methods</h4>We conducted a monocentric cross-sectional study in consecutive patients with a diagnosis of COPD and hospitalized between August 2022 and A ...[more]

PMID: 38901836

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Project description:Optimal delivery of medication via dry powder inhalers, the most commonly prescribed inhaler type, is dependent on a patient achieving a minimum level of inspiratory flow during inhalation. However, measurement of peak inspiratory flow (PIF) against the simulated resistance of a dry powder inhaler is not frequently performed in clinical practice due to time or equipment limitations. Therefore, defining which patient characteristics are associated with lower PIF is critically important to help clinicians optimize their inhaler choice through a more personalized approach to prescribing. The objective of this scoping review was to systematically evaluate patient and disease characteristics determining PIF in patients with chronic obstructive pulmonary disease (COPD). Medline, Cochrane and Embase databases were systematically searched for relevant studies on PIF in patients with COPD published in English between January 2000 and May 2021. The quality of evidence was assessed using a modified Grading of Recommendations Assessment, Development and Evaluation checklist. Of 3382 citations retrieved, 35 publications were included in the review (nine scored as high quality, 13 as moderate, nine as low, and four as very low). Factors correlating with PIF in >70% of papers included both patient characteristics (lower PIF correlated with increased age, female gender, shorter height, decreased handgrip and inspiratory muscle strength, and certain comorbidities) and disease characteristics (lower PIF correlated with markers of lung hyperinflation, lower peak expiratory flow [PEF] and increased disease severity). Other factors correlating with adequate/optimal or improved PIF included education/counseling and exercise/inspiratory muscle training; impaired physical function and errors in inhalation technique/non-adherence were associated with low/suboptimal PIF. In conclusion, clinicians should measure PIF against the simulated resistance of a particular device wherever possible. However, as this often cannot be done due to lack of resources or time, the patient and disease characteristics that influence PIF, as identified in this review, can help clinicians to choose the most appropriate inhaler type for their patients.

Project description:BackgroundCOPD inhaler regimens should be appropriate for the patient's peak inspiratory flow (PIF) and should ideally consist of single or similar device(s).Research questionsIn a subspecialized COPD clinic: (1) What is the prevalence of patients with suboptimal PIF and with inappropriate device(s) for measured PIF? (2) Are there patient-related risk factors associated with suboptimal PIF? (3) What is the prevalence of patients with non-single inhaler therapy (SIT)/nonsimilar devices? (4) Does point-of-care PIF affect clinical decision-making?Study design and methodsIn this single-center real-world observational study, PIF was measured systematically at every outpatient visit in a subspecialized COPD clinic, and point-of-care results were provided to the clinician. Coprimary outcomes were the prevalence of outpatients with suboptimal PIF and with inappropriate devices for measured PIF. Secondary outcomes were patient-related risk factors associated with suboptimal PIF, the prevalence of non-SIT/nonsimilar devices, the prevalence of regimens consisting of either inappropriate device(s) for measured PIF and/or non-SIT/nonsimilar devices, and the effect of point-of-care PIF on clinical decision-making.ResultsSuboptimal PIF was identified in 45 of 161 participants (28%), and inappropriate device(s) for measured PIF were identified in 18 participants (11.2%). Significant associations were observed between suboptimal PIF and age (1.09; 95% CI, 1.04-1.15), female sex (10.30; 95% CI, 4.45-27.10), height (0.92; 95% CI, 0.88-0.96), BMI (0.90; 95% CI, 0.84-0.96), and FEV1 (0.09; 95% CI, 0.03-0.26). After adjustment for age and sex, the association between suboptimal PIF and BMI, but not height, remained significant. Non-SIT and/or nonsimilar devices were identified in 50 participants (31.1%). Regimens consisting of either inappropriate device(s) for measured PIF and/or non-SIT/nonsimilar devices were observed in 59 participants (36.6%). Inhaler prescription changes were observed in this latter group (3.39; 95% CI, 1.76-6.64), as well as in patients with suboptimal PIF who already had SIT/similar regimens (2.93; 95% CI, 1.07-7.92).InterpretationSuboptimal PIF and inappropriate devices for measured PIF were highly prevalent among outpatients from a subspecialized COPD clinic. Our results show that female sex, reduced FEV1, and low BMI are important, readily identifiable risk factors for suboptimal PIF, and point-of-care PIF can inform clinical decision-making.

Dataset Information

Prevalence of Critical Errors and Insufficient Peak Inspiratory Flow in Patients Hospitalized with COPD in a Department of General Internal Medicine: A Cross-Sectional Study.

Background

Methods

Results

Conclusion

Publications

Prevalence of Critical Errors and Insufficient Peak Inspiratory Flow in Patients Hospitalized with COPD in a Department of General Internal Medicine: A Cross-Sectional Study.

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