Sex discrepancies in COPD patients and burden of the disease in females: a nationwide study in Greece (Greek Obstructive Lung Disease Epidemiology and health ecoNomics: GOLDEN study)

Variations in COPD Health Care Access and Outcomes: A Rapid Review

Background

Health inequities among individuals with chronic obstructive pulmonary disease (COPD) are often associated with differential access to health care and health outcomes. A greater understanding of the literature concerning such variation is necessary to determine where gaps or inequities exist along the continuum of COPD care.

Methods

A rapid review of the published and grey literature reporting variations in health care access and/or health outcomes for individuals with COPD was completed. Variation was defined as differential patterns in access indicators or outcome measures within sociodemographic categories, including age, ethnicity, geography, race, sex, and socioeconomic status. Emergent themes were identified from the included literature and synthesized narratively.

Results

Thirty-five articles were included for final review; the majority were retrospective cohort studies. Twenty-five studies assessed variation in access to health care. Key indicators included: access to spirometry testing, medication adherence, participation in pulmonary rehabilitation, and contact with general practitioners and/or respiratory specialists. Twenty-one studies assessed variation in health outcomes in COPD and key metrics included: hospital-based resource utilization (length of stay and admissions/readmissions), COPD exacerbations, and mortality. Patients who live in rural environments and those of lower socioeconomic status had both poorer access to care and outcomes at the system and patient level. Other sociodemographic variables, including ethnicity, race, age, and sex were associated with variation in health care access and outcomes, although these findings were less consistent.

Conclusion

The results of this rapid review suggest that substantial variation in access and outcomes exists for individuals with COPD, highlighting opportunities for targeted interventions and policies.

Machine learning reveals sex differences in clinical features of acute exacerbation of chronic obstructive pulmonary disease: A multicenter cross-sectional study

Introduction

Intrinsically, chronic obstructive pulmonary disease (COPD) is a highly heterogonous disease. Several sex differences in COPD, such as risk factors and prevalence, were identified. However, sex differences in clinical features of acute exacerbation chronic obstructive pulmonary disease (AECOPD) were not well explored. Machine learning showed a promising role in medical practice, including diagnosis prediction and classification. Then, sex differences in clinical manifestations of AECOPD were explored by machine learning approaches in this study.

Methods

In this cross-sectional study, 278 male patients and 81 female patients hospitalized with AECOPD were included. Baseline characteristics, clinical symptoms, and laboratory parameters were analyzed. The K-prototype algorithm was used to explore the degree of sex differences. Binary logistic regression, random forest, and XGBoost models were performed to identify sex-associated clinical manifestations in AECOPD. Nomogram and its associated curves were established to visualize and validate binary logistic regression.

Results

The predictive accuracy of sex was 83.930% using the k-prototype algorithm. Binary logistic regression revealed that eight variables were independently associated with sex in AECOPD, which was visualized by using a nomogram. The AUC of the ROC curve was 0.945. The DCA curve showed that the nomogram had more clinical benefits, with thresholds from 0.02 to 0.99. The top 15 sex-associated important variables were identified by random forest and XGBoost, respectively. Subsequently, seven clinical features, including smoking, biomass fuel exposure, GOLD stages, PaO2, serum potassium, serum calcium, and blood urea nitrogen (BUN), were concurrently identified by three models. However, CAD was not identified by machine learning models.

Conclusions

Overall, our results support that the clinical features differ markedly by sex in AECOPD. Male patients presented worse lung function and oxygenation, less biomass fuel exposure, more smoking, renal dysfunction, and hyperkalemia than female patients with AECOPD. Furthermore, our results also suggest that machine learning is a promising and powerful tool in clinical decision-making.

Differences of Clinical Characteristics and Drug Prescriptions between Men and Women with COPD in China

BACKGROUND

Sex differences in symptoms exist in patients with COPD. Our aim is to measure the differences between men and women with COPD, focusing on risk factors, symptoms, quality of life and drug prescriptions.

METHODS

In this cross-sectional observational study, patients with COPD were collected in China; demographic characteristics, smoking history, occupational exposure, biomass exposure, lung function, dyspnea, quality of life, and prescriptions for inhaled medications were collected. The nearest neighbor algorithm was used to match female and male patients (ratio 2:1) on age, body mass index, and lung function.

RESULTS

Compared with 1462 men, the 731 women generally had lower educational levels and were married less (both p < 0.001). A total of 576 (90.0%) women did not smoke cigarettes. More men were exposed to occupational dust (539 (36.9%) vs. 84 (11.5%), p = 0.013), while more women were exposed to biomass smoke (330 (45.1%) vs. 392 (26.8%), p = 0.004). Except for phlegm and chest tightness, women had more complaints than men for cough, breathlessness, activities, confidence, sleep and energy (p < 0.05). In addition, more women were prescribed triple therapy than men (236 (36.3%) vs. 388 (31.0%), p = 0.020).

CONCLUSIONS

There are obvious discrepancies in the quality of life and use of inhaled medications between male and female patients with COPD.

Outcomes associated with comorbid anxiety and depression among patients with stable COPD: A patient registry study in China

BACKGROUND

Anxiety and depression are common among patients with chronic obstructive pulmonary disease (COPD), but the associations between psychiatric symptoms and specific COPD outcomes are uncertain.

METHODS

Associations of psychiatric symptoms (anxiety and depression) and COPD outcomes (COPD Assessment Test (CAT), modified Medical Research Council dyspnea scale (mMRC), number of acute exacerbations and percentage predicted forced expiratory volume in 1 second (FEV₁% predicted)) sets were performed by canonical correlation analysis in 876 patients with COPD.

RESULTS

In primary analysis, we discovered a statistically significant relationship between symptoms of anxiety/depression and COPD outcomes sets (1 - Λ = 0.11; P < .001). Symptoms of anxiety/depression and four COPD outcomes sets shared 11 % of variance. CAT was the main driver of the relationship (r_s = -0.930; r_s² = 0.8649) followed by mMRC (r_s = -0.632; r_s² = 0.3994) and exacerbation history (r_s = -0.478; r_s² = 0.2285); FEV₁% predicted did't make a significant contribution to the relationship (r_s = 0.134; r_s² = 0.018). In secondary analysis, women were associated with a stronger correlation based on the shared variance between psychiatric symptoms and COPD outcomes sets (17.4 %) than men (9.8 %).

LIMITATIONS

Some confounding factors such as education level, income, didn't be included. There were considerably fewer women enrolled in this study than men.

CONCLUSION

Psychiatric symptoms were associated with COPD subjective outcomes, and more related to COPD outcomes in women.

Sex-specific associations of comorbidome and pulmorbidome with mortality in chronic obstructive pulmonary disease: results from COSYCONET

In patients with COPD, it has not been comprehensively assessed whether the predictive value of comorbidities for mortality differs between men and women. We therefore aimed to examine sex differences of COPD comorbidities in regard with prognosis by classifying comorbidities into a comorbidome related to extrapulmonary disorders and a pulmorbidome, referring to pulmonary disorders. The study population comprised 1044 women and 1531 men with the diagnosis of COPD from COSYCONET, among them 2175 of GOLD grades 1–4 and 400 at risk. Associations of comorbidities with mortality were studied using Cox regression analysis for men and women separately. During the follow-up (median 3.7 years) 59 women and 159 men died. In men, obesity, hypertension, coronary artery disease, liver cirrhosis, osteoporosis, kidney disease, anaemia and increased heart rate (HR) predict mortality, in women heart failure, hyperuricemia, mental disorders, kidney disease and increased HR (p < 0.05 each). Regarding the pulmorbidome, significant predictors in men were impairment in diffusion capacity and hyperinflation, in women asthma and hyperinflation. Similar results were obtained when repeating the analyses in GOLD 1–4 patients only. Gender differences should be considered in COPD risk assessment for a tailored approach towards the treatment of COPD.

Clinical Trial Registration: ClinicalTrials.gov NCT01245933.

Gender differences in specific trends of COPD mortality in Croatia

OBJECTIVES

Chronic obstructive pulmonary disease (COPD) is one of the most common lower respiratory chronic diseases. The aim of this study was to analyze the COPD mortality trends in Croatia for the period 2010-2019 and to identify possible changes and differences by age group and gender.

STUDY DESIGN AND METHODS

In data analysis were included COPD death cases for the period 2010-2019 defined as ICD-10 code J44.0 - J44.9. Mortality data were obtained from the Croatian Institute of Public Health based on death certificates. To model temporal changes in mortality rates joinpoint regression analysis was carried out.

RESULTS

The number of COPD deaths increased in men from 878 in 2010 to 1083 in 2019 and in women from 520 in 2010 to 737 in 2019. Over the 10-year period, there was a stable age-standardized COPD mortality rate among men and statistically significant increasing age-standardized COPD mortality rate among women at the national level.

CONCLUSIONS

The findings show a narrowing of the gender gap of COPD mortality. Observed higher COPD mortality rates with age in both men and women confirm previous data and imply that the number of COPD deaths will continue to increase in the future. The healthcare system should focus on the improvement of the quality of care and investment in health promotion and prevention programs aimed at reducing risk factors for COPD, especially tobacco smoking, as well as raising awareness and knowledge about COPD as a chronic disease.

Differences Between Men and Women with Chronic Obstructive Pulmonary Disease

There are many differences between men and women in risk factor vulnerability and impact, symptom development, presentation, clinical manifestations, and outcomes of chronic obstructive pulmonary disease (COPD). These differences have been inadequately explored, which is of particular concern in view of the delay in diagnosis and treatment that occurs for both men and women, and the need to use all therapies in a targeted and tailored way for best clinical gain and least harm. Women are generally underrepresented in randomized trials, as are non-tobacco-related phenotypes of COPD. We must garner the information available to better describe optimal treatment approaches.

Gender Differences in Inhaled Pharmacotherapy Utilization in Patients with Obstructive Airway Diseases (OADs): A Population-Based Study

Purpose

Gender differences in the incidence, susceptibility and severity of many obstructive airway diseases (OADs) have been well recognized. However, gender differences in the inhaled pharmacotherapy profile are not well characterized.

Methods

We conducted a retrospective cohort study to investigate gender differences in new-users of inhaled corticosteroids (ICS), short-or long-acting beta₂-agonist (SABA or LABA), ICS/LABA, short-or long-acting muscarinic antagonist (SAMA or LAMA) among patients with asthma, COPD or asthma-COPD overlap (ACO). We used Clinical Practice Research Datalink to identify OAD patients, 18 years and older, who were new-users (1-year washout period) from 01-January-1998 to 31-July-2018. Multivariable logistic regression was used to examine gender differences in each of the inhaled pharmacotherapies after controlling for potential confounders.

Results

A total of 242,079 new-users (asthma: 84.93%; COPD: 10.19%; ACO: 4.88%) of inhaled pharmacotherapies were identified. The multivariable analyses showed that males with COPD were more likely to be a new user of a LABA (odds ratio [OR] 1.29; 95% confidence interval [CI], 1.12–1.49), LAMA (OR 1.21; 95% CI 1.10–1.33), SAMA (OR 1.11; 95% CI 1.01–1.21) and less likely to be a new user of a SABA (OR 0.84; 95% CI, 0.80–0.89) compared to females. Similar patterns were also observed for patients with ACO; males were more likely to be prescribed with LABA (OR 1.26; 95% CI 1.03–1.55), LAMA (OR 1.28; 95% CI 1.11–1.48), SAMA (OR 1.28; 95% CI 1.11–1.48), and less likely to be a new user of a SABA (OR 0.89; 95% CI, 0.82–0.96). Also, males with asthma were more likely to be a new-user of ICS/LABA (OR 1.15; 95% CI, 1.08–1.23) and less likely to start an ICS (OR 0.97; 95% CI, 0.95–0.99) in comparison with females.

Conclusion

Our study showed significant gender differences in new-users of inhaled pharmacotherapies among OAD patients. Adjusting for proxies of disease severity, calendar year, smoking and socioeconomic status did not change the association by gender.

Adherence to inhalers and comorbidities in COPD patients. A cross-sectional primary care study from Greece

Background

Comorbidities and adherence to inhaled therapy appears to have a major impact on treatment goals, health status and disease control in chronic obstructive pulmonary disease (COPD). Aim of the study was to assess levels of adherence to inhalers, comorbidities and associations with COPD outcomes in patients residing in rural and semi-urban areas of Greece.

Methods

Two hundred fifty-seven COPD patients were enrolled from primary health care in 2015–2016. Physicians used structured interviews and questionnaires to assess quality of life and disease status. Patients were classified into groups according to GOLD 2019 guidelines (based on CAT and mMRC). Adherence to inhalers was measured with the Test of Adherence to Inhalers (TAI). Multivariate linear and logistics regression models were used to assess associations between comorbidities and adherence to inhalers with COPD outcomes, including CAT and mMRC scores, exacerbations and GOLD A-D status.

Results

74.1% of COPD patients reported poor adherence, while most of them were characterized as deliberate non-compliers (69.5%). 77.1% had ≥2 comorbidities, with overweight/obese (82.2%), hypertension (72.9%) and diabetes mellitus (58%) being the most prevalent. In multivariate analysis, COPD outcomes having significant associations with poor adherence included worse health status [OR (95% CI) 4.86 (1.61–14.69) and 2.93 (1.51–5.71) based on CAT and mMRC, respectively], having ≥2 exacerbations in the past year [4.68 (1.51–4.44)], and disease status e.g., be in groups C or D [3.13 (1.49–8.53) and 3.35 (1.24–9.09) based on CAT and mMRC, respectively). Subjects with gastroesophageal reflux showed better inhaler adherence [OR (95% CI) 0.17 (0.6–0.45)], but none of the comorbid conditions was associated with COPD outcomes after adjustments.

Conclusions

Poor adherence to inhalers and comorbidities are both prevalent in COPD patients of primary care residing in rural/semi-urban areas of Greece, with adherence influencing COPD outcomes. Raising awareness of patients and physicians on the importance of comorbidities control and inhaler adherence may lead to interventions and improve outcomes.

Impact of gender on chronic obstructive pulmonary disease outcomes: a propensity score-matched analysis of a prospective cohort study

BACKGROUND/AIMS

Despite increasing awareness of the burden of chronic obstructive pulmonary disease (COPD) in women, knowledge regarding gender differences in COPD outcomes is limited. Therefore, we aimed to evaluate whether COPD outcomes, including exacerbations, lung function, and symptoms differ by gender.

METHODS

We recruited patients with COPD from two Korean multicenter prospective cohorts. After propensity score matching, the main outcome, the incidence of moderate or severe exacerbations was analyzed using a negative binomial regression model. We also assessed changes in lung function and symptom scores including the St. George's respiratory questionnaire for COPD (SGRQ-C), COPD assessment test (CAT), and the modified Medical Research Council (mMRC) dyspnea score.

RESULTS

After propensity score matching, 74 women and 74 men with COPD were included. The incidence rates of exacerbations in women and men were not significantly different (incidence rate ratio, 1.49; 95% confidence interval [CI], 0.88 to 2.54). There was no significant difference in the incidence rates adjusted for medication possession ratios of long-acting muscarinic antagonists, long-acting β-agonists, and inhaled corticosteroids during the follow-up period (incidence rate ratio, 1.47; 95% CI, 0.86 to 2.52). Rates of decline in post-bronchodilator forced expiratory volume in 1 second and forced vital capacity did not differ between women and men during 48 months of follow-up. The changes in scores on the SGRQ-C, CAT, and mMRC Questionnaire in women were also similar to those in men.

CONCLUSION

We observed no gender differences in the rate of exacerbations of COPD in a prospective longitudinal study. Further studies are needed to confirm these findings in the general COPD population.

Associations of sense of coherence and self-efficacy with health status and disease severity in COPD

Sense of coherence and self-efficacy has been found to affect health-related quality of life in chronic diseases. However, research on respiratory diseases is limited. Here we report findings on quality of life (QoL) of COPD patients and the associations with coherence and self-efficacy. This study consists of the Greek national branch of the UNLOCK study, with a sample of 257 COPD patients. Coherence and self-efficacy are positively inter-correlated (Pearson rho = 0.590, p < 0.001). They are negatively correlated with the quality of life (CAT) [Pearson rho: coherence = −0.29, p < 0.001; self-efficacy = −0.29, p < 0.001) and mMRC (coherence = −0.37, p < 0.001; self-efficacy rho = −0.32, p < 0.001)]. Coherence is inversely associated with (Global Initiative for Chronic Obstructive Lung Disease) GOLD 2018—CAT and GOLD 2018—mMRC classification and “having at least one exacerbation in the past year”. Findings are stressing the need for their incorporation in primary health care and COPD guidance as it maybe that enhancing coherence and self-efficacy will improve QoL.

Sex Differences in Veterans Admitted to the Hospital for Chronic Obstructive Pulmonary Disease Exacerbation

Rationale: As chronic obstructive pulmonary disease (COPD) prevalence in women has outpaced that in men, COPD-related hospitalization and mortality are now higher in women. Presentation, evaluation, and treatment of COPD differ between women and men. Despite higher smoking rates in Veterans, little work has characterized differences in Veterans with COPD by sex. Objectives: To determine risk factors for 30-day readmission among Veterans hospitalized for COPD exacerbations and how they differed by sex. Methods: We performed a retrospective observational analysis of Veterans receiving primary care in Veterans Health Affairs facilities. We included Veterans Administration-based hospitalizations for Veterans with a COPD exacerbation (identified by International Classification of Disease, Ninth Revision codes) who survived to discharge between fiscal years 2012 and 2015. Primary outcome was 30-day readmission. Predictors ascertained before hospitalization included smoking status (current, former, never), pulmonary function testing, pulmonary medication prescriptions, and medical and psychiatric comorbidities (identified by International Classification of Disease, ninth revision codes). We created combined and sex-stratified multivariate logistic regression models to identify associations with 30-day readmission. Results: Our sample included 48,888 Veterans (4% women). Compared with men, women Veterans were younger, more likely to be nonwhite, and differed in smoking status. Women were more likely to have asthma, drug use, and several psychiatric comorbidities. Before hospitalization, women were less likely to have pulmonary function testing (76% vs. 78%; P = 0.01) or be treated with antimuscarinic (43% vs. 48%) or combined long-acting bronchodilator/inhaled corticosteroid (61% vs. 64%) inhalers. Women were more likely to receive nicotine-replacement therapy (all P < 0.01). Women had shorter length of stay (median days, 2 vs. 3; P = 0.04) and lower 30-day readmission rate (20% vs. 22%; P = 0.01). In adjusted models including both sexes, age, antimuscarinic use, comorbidities, and diagnosis of drug or alcohol use were associated with readmission; there was no association with sex and readmission risk. In models stratified by sex, associations were similar between women and men. Conclusions: This study suggests differences between women and men hospitalized for COPD regarding presentation, evaluation, and management. Readmission is strongly influenced by comorbidities, suggesting individualized and comprehensive case management may reduce readmission risk for women and men with COPD.

Factors associated with knowledge of self-management of worsening asthma in primary care patients: a cross-sectional study

OBJECTIVE

Self-management is important for asthma control. We examined associations of patient- and healthcare-related factors with self-reported knowledge of self-management of worsening asthma.

METHODS

Two asthma patient cohorts from 2012 (n = 527) and 2015 (n = 915) were randomly selected from 54 primary health care centers (PHCC) in central Sweden. Data were collected using patient questionnaires and questionnaires to the PHCCs. Logistic regression analyzed associations of relevant variables with knowledge of self-management of worsening asthma.

RESULTS

In total, 63% of patients reported moderate to complete knowledge of self-management procedures. The adjusted OR for moderate to complete knowledge relative to high education level was 1.38 [95% CI 1.03-1.85)]; for physician continuity 2.19 (95% CI 1.62-2.96); for a written action plan 11.9 (95% CI 6.16-22.9); for Step 2 maintenance treatment 1.53 (95% CI 0.04-2.24); and 2.07 (95% CI 1.44-2.99) for Step 3. An asthma/COPD nurse visit within the previous 12 months was associated with greater knowledge in women but not in men (p for interaction = 0.042). Smoking [OR 0.56 (95% CI 0.34-0.95)], co-morbidities ≥1 [OR 0.68 (95% CI 0.49-0.93)], and self-rated moderate/severe disease [OR 0.68 (95% CI 0.51-0.90)] were associated with low self-management knowledge.

CONCLUSION

Self-reported knowledge of self-management procedures was associated with a higher educational level, physician continuity, a written action plan, advanced treatment and, in women, visiting an asthma/COPD nurse. The results reinforce the importance of implementing guidelines of patient access to a specific physician, a written action plan, and structured education by an asthma/COPD nurse.

Sex-related differences in management of Swedish patients with a clinical diagnosis of chronic obstructive pulmonary disease

Purpose: Women with chronic obstructive pulmonary disease (COPD) have more symptoms, more exacerbations, lower health status scores, and more comorbidity. However, it is unclear whether management of COPD differs by sex. The aim of the study was to investigate differences by sex in the care of patients with COPD.

Patients and methods: The population included 1329 primary and secondary care patients with a doctor´s diagnosis of COPD in central Sweden. Data were obtained from patient questionnaires and included patient characteristics and data on achieved COPD care. Analyses included cross-tabulations, chi-squared test and multiple logistic regression using several measures in COPD management as dependent variables, female sex as independent variable, and with adjustment for age groups, previous exacerbations, COPD Assessment Test, level of dyspnea assessed by the modified Medical Research Council scale, comorbid conditions, self-rated moderate/severe disease, level of education and body mass index.

Results: Women were more likely to receive triple therapy (OR 1.86 (95% CI 1.38–2.51)), to have any maintenance treatment (OR 1.82 (95% CI 1.31–2.55)), to be on sick leave (OR 2.16 (95% CI 1.19–3.93)), to have received smoking cessation support (OR 1.80 (95% CI 1.18–2.75)) and to have had pneumococcal vaccination (OR 1.82 (95% CI 1.37–2.43)), all independently of age, severity of disease or other potential confounders.

Conclusion: Management of COPD differs by sex, with women being more actively managed than men. It is unclear whether this is due to patient- or care-related factors.

Missed diagnosis and overtreatment of COPD among smoking primary care population in Central Greece: old problems persist

Background

The diagnosis of COPD is not always consistent with the Global Initiative for Chronic Obstructive Lung Disease (GOLD) strategy in daily clinical practice, especially in primary care. This study aimed to estimate the overall COPD prevalence and severity, to identify differences between newly and previously diagnosed patients, and to evaluate the potential COPD overtreatment in a smoking population attending a primary care spirometry surveillance program.

Methods

A study was conducted in 10 primary health care centers of Central Greece during a 7-month period. Eligible participants were aged ≥40 years and were either current smokers or exsmokers.

Results

A total of 186 subjects were included (68% males, mean age 62.3±12.6 years, mean life-time tobacco exposure 50 pack-years). COPD prevalence was 17.8%, identified to be higher in elderly males. Forty-two percent of the COPD group were newly diagnosed patients, who were of younger age, current smokers, presented with less dyspnea and better health status, and mainly appeared with mild-to-moderate disease. Interestingly, 61.4% of non-COPD and 85.7% of newly diagnosed COPD individuals had been using inhaled medication under primary care provider's prescription without ever undergoing spirometry or further evaluation by a pulmonologist; thus, the phenomena of COPD overdiagnosis and missed diagnosis came into the spotlight. Moreover, only 26.3% of known COPD patients were properly medicated according to GOLD guidelines, while half of them were inappropriately treated with triple inhaled therapy.

Conclusion

We reported a significant prevalence of COPD in smoking population attending this spirometry program. A remarkable proportion of COPD patients were undiagnosed and made case finding worthwhile. Underutilization of spirometry in the diagnosis and management of COPD as well as general practitioners' nonadherence to the GOLD treatment guidelines was confirmed by our data. These findings highlight the need for a major overhaul and culture change in primary care settings of Central Greece.

Impact of the financial crisis on COPD burden: Greece as a case study

Poverty and low socioeconomic status have been associated with chronic obstructive pulmonary disease (COPD). The current financial crisis has forced millions back into poverty. Greece is one of the countries hit the hardest, and is in the middle of a deep ongoing collapse. There have been early reports stating the apparent effects of the Greek downturn on respiratory health. This review summarises the overall impact of the financial crisis on COPD burden throughout the period of economic downturn by analysing the case study of Greece. In all levels of the healthcare system, current economic restrictions have reduced the capacity to prevent, diagnose and treat COPD in parallel with current higher detection rates of COPD. Remarkably, expenditure on healthcare has been reduced by >25%, resulting in major healthcare equipment shortages. Lower wages (by up to 20%) and higher co-payments of up to 25% of a drug's purchase price have led to patients struggling to afford inhaled medications. Treatment nonadherence has been reported, resulting in 11.5% more exacerbations and 14.1% more hospitalisations annually, while the mean cost per severe COPD exacerbation has been approximated as €2600. Greece is a noteworthy example illustrating how COPD burden, quality of care and patients' outcome can be affected by economic crisis.

The population attributable fraction of occupational COPD among Danish women

The PAF of occupational COPD among Danish women http://ow.ly/CEmy308XEgl.

Call to action: improving primary care for women with COPD

In this perspective-based article, which is based on findings from a comprehensive literature search, we discuss the significant and growing burden of chronic obstructive pulmonary disease in women worldwide. Chronic obstructive pulmonary disease now affects both men and women almost equally. Despite this, there remains an outdated perception of chronic obstructive pulmonary disease as a male-dominated disease. Primary care physicians play a central role in overseeing the multidisciplinary care of women with chronic obstructive pulmonary disease. Many women with chronic obstructive pulmonary disease delay seeking medical assistance, due to fear of stigmatization or dismissing symptoms as a 'smoker's cough'. Improving awareness is important to encourage women with symptoms to seek advice earlier. Once women do seek help, primary care physicians need to have knowledge of the nuances of female chronic obstructive pulmonary disease disease presentation to avoid mis- or delayed diagnosis, both of which are more common in women with chronic obstructive pulmonary disease than men. Subsequent management should consider gender-specific issues, such as differential incidences of comorbid conditions, potentially higher symptom burden, and a higher risk of exacerbations. Chronic obstructive pulmonary disease treatment and smoking cessation management should be specifically tailored to the individual woman and reviewed regularly to optimize patient outcomes. Finally, education should be an integral part of managing chronic obstructive pulmonary disease in women as it will help to empower them to take control of their disease.

COPD patients' medical care and support in Greece during financial crisis

BACKGROUND

The need to follow a multidisciplinary strategy in chronic obstructive pulmonary disease (COPD) management and rehabilitation in community settings in Greece raises significant questions, given the severe austerity measures being imposed at present. The aim of this study was to investigate the clinical profile of patients with COPD along with the care provided in rural community settings in Greece.

METHODS

Two primary health care centers and 200 newly diagnosed patients over a 12-month period were involved in the study. A self-assessment questionnaire, including questions about smoking habits, the presence of comorbidities and chronic respiratory symptoms, as well as the COPD Assessment Test were used. Spirometry was performed with a dry spirometer. Obstructive spirometry was defined as forced expiratory volume in 1 second/forced vital capacity ratio <0.7, according to Global Initiative for Chronic Obstructive Lung Disease guidelines.

RESULTS

Males comprised 70% of the sample, with cough and sputum being the prominent signs. Regarding COPD staging, 68.5% were classified in stages I/II. Arterial hypertension and coronary heart disease were the most common comorbidities. Current smokers accounted for 88.5%, while 88% were heavy drinkers. A general practitioner made the diagnosis in 68.5% of the cases, among which offspring and spouses provided home care in 38% and 8% of the cases, respectively, while an informal caregiver other than a relative was reported in 34% of the cases. No caregiver (self-care) was reported in 20% of the cases. All patients of stage III and IV had a COPD Assessment Test score >10.

CONCLUSION

Patients with COPD dwelling in the community exhibit an overall mild-to-moderate type of COPD. General practitioner is in charge of COPD management. Informal caregiving is the major type of home care, with nonfamily members playing a significant role. The patients' profile permits limited optimism about their future perspective and urges for immediate action at primary care level.

Improving the Management of COPD in Women

COPD is a highly debilitating disease that represents a substantial and growing health burden in women. There is increasing evidence for sex-related differences in COPD risk, progression, and outcomes. However, the disease receives scant attention as a women's health issue. Thus, a multifaceted approach is required to address COPD in women, including greater awareness, minimization of risk, and further elucidation of the sex-specific factors (biological and cultural) that affect risk, disease progression, and treatment success. This article reviews the current literature on the topic and provides suggestions for achieving better outcomes for the millions of women with COPD worldwide.

Using Big Data to Assess Prescribing Patterns in Greece: The Case of Chronic Obstructive Pulmonary Disease

Introduction

Chronic Obstructive Pulmonary Disease (COPD) is one of the top leading causes of death and disability, and its management is focused on reducing risk factors, relieving symptoms, and preventing exacerbations. The study aim was to describe COPD prescribing patterns in Greece by using existing health administrative data for outpatients.

Methods

This is a retrospective cross-sectional study based on prescriptions collected by the largest social insurance fund, during the first and last trimester of 2012. Selection criteria were the prescription of specific active substances and a COPD diagnosis. Extracted information included active substance, strength, pharmaceutical form and number of packages prescribed, diagnosis, time of dispensing, as well as insurees’ age, gender, percentage of co-payment and social security unique number. Statistical analysis included descriptive statistics and logistic regression.

Results

174,357 patients received medicines for COPD during the study period. Patients were almost equally distributed between male and female, and age above 55 years was strongly correlated with COPD. Most patients received a long-acting beta agonist plus inhaled corticosteroid combination (LABA +ICS), followed by long-acting muscarinic agonist (LAMA). 63% patients belonging in the 35–54 age received LABA+ICS. LAMA was prescribed more frequently among males and was strongly correlated with COPD.

Conclusion

The study provides big data analysis of Greek COPD prescribing patterns. It highlights the need for appropriate COPD classification in primary care illustrating the role of electronic prescribing in ensuring appropriate prescribing. Moreover, it indicates possible gender differences in treatment response or disease severity, and the impact of statutory co-payments on prescribing.

Frequency and risk factors of COPD exacerbations and hospitalizations: a nationwide study in Greece (Greek Obstructive Lung Disease Epidemiology and health ecoNomics: GOLDEN study)

Background

COPD exacerbations and hospitalizations have been associated with poor prognosis for the COPD patient.

Objective

To evaluate the frequency and risk factors of COPD exacerbations, hospitalizations, and admissions to intensive care units (ICUs) in Greece by a nationwide cross-sectional study.

Materials and methods

A nationwide observational, multicenter, cross-sectional study was conducted in the clinical practice setting of respiratory medicine physicians over a 6 month-period (October 2010 to March 2011). A total of 6,125 COPD patients were recruited by 199 respiratory physicians.

Results

Participants had a median age of 68.0 years, 71.3% were males, and 71.8% suffered from comorbidities. The median disease duration was 10.0 years. Of the patients, 45.3% were classified as having GOLD (Global initiative for chronic Obstructive Lung Disease) stage III or IV COPD. Patients with four or more comorbidities had 78.5% and threefold-higher than expected number of exacerbations and hospitalizations, respectively, as well as fivefold-higher risk of admission to the ICU compared to those with no comorbidities. Obese patients had 6.2% fewer expected exacerbations compared to those with a normal body mass index. Patients with GOLD stage IV had 74.5% and fivefold-higher expected number of exacerbations and hospitalizations, respectively, and nearly threefold-higher risk of admission to the ICU compared to stage I patients. An additional risk factor for exacerbations and hospitalizations was low compliance with treatment: 45% of patients reported forgetting to take their medication, and 81% reported a preference for a treatment with a lower dosing frequency.

Conclusion

Comorbidities, disease severity, and compliance with treatment were identified as the most notable risk factors for exacerbations, hospitalizations, and ICU admissions. The results point to the need for a multifactorial approach for the COPD patient and for the development of strategies that can increase patient compliance with treatment.

Association between vitamin D receptor polymorphisms and osteoporosis in patients with COPD

BACKGROUND

Patients with COPD are at an increased risk of osteoporosis. Although many studies have addressed the relationship between the vitamin D receptor (VDR) polymorphisms and bone health, this relationship has not been fully investigated in patients with COPD. In this study, we investigated the association of VDR polymorphisms with bone mineral density (BMD) and other clinical parameters in patients with COPD.

PATIENTS AND METHODS

In total, 200 patients with COPD were included in this study. The VDR polymorphisms rs1544410 (A/G-BsmI), rs7975232 (A/C-ApaI), rs731236 (C/T-TaqI), and rs10735810 (C/T-FokI) were determined by Sanger sequencing using blood DNA samples. BMD of the lumbar vertebra and the femoral neck was measured by dual-energy X-ray absorptiometry. Other clinical parameters were also evaluated. Haplotype and multivariate analyses were also performed.

RESULTS

Sex, body mass index, steroid use, percentage of forced expiratory volume in 1 second (FEV1), alkaline phosphatase, and 25-hydroxyvitamin D significantly influenced the risk of osteoporosis. Patients with osteoporosis were more likely to carry the rs7975232 C allele compared to normal patients with BMD. Haplotypes GCT and GAT were related to osteoporosis. Patients without the haplotype GAT allele showed a significantly lower T-score at the femoral neck and an increased risk of osteoporosis (odds ratio [OR]= 2.78, 95% confidence interval [CI]= 1.20-6.48, P=0.018) compared with carriers in the dominant model.

CONCLUSION

Genetic variations in VDR are significantly associated with osteoporosis among patients with COPD. Further studies are required to confirm the role of the VDR polymorphisms in osteoporosis among patients with COPD.

Characteristics of prevalent and new COPD cases in Greece: the GOLDEN study

Background

Greece has one of the highest rates of smoking and chronic obstructive pulmonary disease (COPD) in Europe.

Aim

The study aimed to record both the disease characteristics among a sample of Greek COPD patients and the nationwide rates of newly diagnosed COPD cases.

Methods

In this noninterventional, epidemiological cross-sectional study, a representative nationwide sample of 45 respiratory centers provided data on the following: 1) the demographic and clinical characteristics of COPD patients and 2) newly diagnosed COPD cases monitored over a period of 6 months by each physician.

Results

Data from 6,125 COPD patients were collected. Advanced age (median age: 68 years), male predominance (71.3%), largely overweight status with median body mass index (BMI) =27.5 kg/m², high percentage of current and ex-smokers (89.8%), and presence of comorbidities (81.9%) were evident in the sample. According to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2011 criteria, majority of the COPD patients had moderate or severe airflow limitation (61%). Severity of airflow limitation was significantly associated with older age, male sex, obesity, ex-smoking status, and presence of comorbidity (all P-values <0.001). A total of 61.3% of the patients received medication, mostly bronchodilators (64.4%) and fixed-dose combinations of long-acting β₂-agonists and inhaled corticosteroids (39.9%), while 35.9% reported taking medication on demand. The majority (81.1%) of patients reported a preference for fewer inhalations of their bronchodilator therapy. Based on the mixed-effect Poisson model, the rate of newly diagnosed COPD cases was estimated to be 18.2% (95% confidence interval: 14.9–22.3) per pulmonologist/3 months. Of those newly diagnosed, the majority of patients had mild or moderate airflow limitation (78.2%).

Conclusion

The Greek Obstructive Lung Disease Epidemiology and health ecoNomics study reflected the real-life profile of COPD patients and provided evidence on the profile of new COPD cases in Greece. Various demographic factors were delineated, which can assist in designing more effective diagnostic and management strategies for COPD in Greece.

Antibiotic Prescription for COPD Exacerbations Admitted to Hospital: European COPD Audit

Objective

Appropriate use of antibiotics in the management of hospitalised patients with COPD exacerbations is defined within the GOLD strategy. This paper analyses the factors associated with antibiotic prescribing in patients to better understand how prescribing may be improved.

Methods

The European COPD audit was a study of clinical care in 384 hospitals from 13 European countries between 2010 and 2011 enrolling 16018 patients. Those admitted to hospital due to a clinician-made diagnosis of exacerbation of COPD at the time of discharge were audited. We defined antibiotic prescribing compliance as consistent with the GOLD 2010 recommendations. Two different multivariate models were used to evaluate factors associated with the prescription of antibiotics and the guideline-compliant prescriptions.

Results

Overall 86% of admissions were given antibiotics but only 61.4% cases met the GOLD recommendations. Antibiotics were more likely to be given in hospital and at discharge if received prior to admission. Antibiotic prescription was more likely in patients who met the GOLD recommendations and in those with radiological consolidation but there was also a significant use of antibiotics in patients who did not meet either criterion. Patients cared for on a Respiratory Ward were more likely to receive GOLD compliant antibiotic management.

Conclusions

The present study describes the audited in-hospital antibiotic prescription for COPD exacerbation across different European countries. In general, there is an apparent overuse of antibiotics likely to be associated with both patient and practice-related variables.