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High prevalence of falsely declaring nicotine abstinence in lung transplant candidates.

ABSTRACT: Tobacco use after lung transplantation is associated with adverse outcome. Therefore, active smoking is regarded as a contraindication for lung transplantation and should be excluded prior to placement on the waiting list. The aim of the study was to compare self-reporting with a systematic cotinine based screening approach to identify patients with active nicotine abuse. Nicotine use was systematically assessed by interviews and cotinine test in all lung transplant candidates at every visit in our center. Patients were classified according to the stage prior to transplantation and cotinine test results were compared to self-reports and retrospectively analyzed until June 2019. Of 620 lung transplant candidates, 92 patients (14.8%) had at least one positive cotinine test. COPD as underlying disease (OR 2.102, CI 1.110-3.981; p = 0.023), number of pack years (OR 1.014, CI 1.000-1.028; p = 0.047) and a time of cessation less than one year (OR 2.413, CI 1.410-4.128; p = 0.001) were associated with a positive cotinine test in multivariable regression analysis. The majority of non-COPD patients (n = 13, 72.2%) with a positive test had a cessation time of less than one year. 78 patients (84.7%) falsely declared not consuming any nicotine-based products prior to the test. Finally, all never smokers were test negative. In conclusion, our data demonstrate that active nicotine use is prevalent in transplant candidates with a high prevalence of falsely declaring nicotine abstinence. COPD was the main diagnosis in affected patients. Short cessation time and a high number of pack years are risk factors for continued nicotine abuse.

SUBMITTER: Veit T

PROVIDER: S-EPMC7302701 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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High prevalence of falsely declaring nicotine abstinence in lung transplant candidates.

Veit Tobias T Munker Dieter D Leuschner Gabriela G Mümmler Carlo C Sisic Alma A Kauke Teresa T Schneider Christian C Irlbeck Michael M Michel Sebastian S Eser-Valerie Daniela D Huber Maximilian M Barton Jürgen J Milger Katrin K Meiser Bruno B Behr Jürgen J Kneidinger Nikolaus N

PloS one 20200618 6

Tobacco use after lung transplantation is associated with adverse outcome. Therefore, active smoking is regarded as a contraindication for lung transplantation and should be excluded prior to placement on the waiting list. The aim of the study was to compare self-reporting with a systematic cotinine based screening approach to identify patients with active nicotine abuse. Nicotine use was systematically assessed by interviews and cotinine test in all lung transplant candidates at every visit in ...[more]

PMID: 32555678

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Project description:The provision of effective palliative care is of great importance to patients awaiting lung transplantation. Although the prospect of lung transplantation provides hope to patients and their families, these patients are usually very symptomatic from their underlying disease.An e-mail questionnaire was sent to members of the American College of Chest Physicians' Transplant NetWork and the Pulmonary Council of the International Society for Heart and Lung Transplantation (ISHLT). The survey included questions about barriers to providing palliative care, the availability of palliative care services, and recommended strategies to improve palliative care for lung transplant candidates.The 158 respondents represented approximately 65% of transplant programs in the ISHLT registry. Respondents were in practice a mean of 11.3 (± 9) years, 70% were pulmonologists, 17% were surgeons, and 13% were other care providers. Barriers were classified into domains including patient factors, family factors, physician factors, and institutional/transplant program/lung allocation system factors. Significant patient/family barriers included unrealistic patient/family expectations about survival, unwillingness to plan end-of-life care, concerns about abandonment or inappropriate care after enrollment in a palliative care program, and family disagreements about care goals. For institutional/program/allocation system barriers, only the requirement for weight loss or gain to meet program-specific BMI requirements was identified. Significant physician barriers included competing time demands and the seemingly contradictory goals of transplant vs palliative care. Strategies recommended to improve palliative care included routine advance care planning for patients awaiting transplantation, access to palliative care specialists, training of transplant physicians in symptom management, and regular meetings among transplant physicians, nurses, patients, and families.Physicians providing care to lung transplant candidates reported considerable barriers to the delivery and acceptance of palliative care and identified specific strategies to improve palliative care for lung transplant candidates.

Project description:IntroductionPancreas transplantation is a high-risk procedure in terms of cardiovascular complications. Therefore, identification of all cardiovascular risk factors is crucial to prevent cardiovascular complications after pancreas transplantation. Vitamin D deficiency (VDD) appears to be a potential risk factor for coronary artery disease.ObjectiveTo determine the prevalence of VDD in pancreas transplant candidates, and further to examine the relationship between vitamin D and the prevalence of coronary artery disease and lipid profile parameters.Materials and methodsThis is a prospective cross-sectional study. We enrolled consecutive patients with type 1 diabetes eligible for simultaneous pancreas-kidney transplantation or pancreas transplant alone. The laboratory tests included HbA1c, lipid profile, creatinine, and total 25-hydroxyvitamin D (25(OH)D). The diagnosis of coronary artery disease was based on coronary angiography.ResultsThe study population included 48 patients. VDD was revealed in 48% of patients and coronary artery disease in 35% of patients. The mean concentration of vitamin D in the entire cohort was 21.3 ± 9.48 ng/ml. The median value of 25(OH)D in patients with coronary artery disease was significantly lower than in patients without coronary artery disease (18.5 (11.6-21.5) vs. 24.8 (18.4-31.8) ng/ml, p = 0.018). There was a significant relationship between VDD and coronary artery disease (OR = 4.36; 95% confidence interval (CI): 1.22-15.64, p = 0.034). A patient's odds of having coronary artery disease while having a sufficient level of vitamin D was 4.36 times lower than if the patient had VDD. There was a significant relationship between VDD and hypertension (OR = 5.91; 95% CI: 1.12-31.20, p = 0.039) and hemodialysis (OR = 4.25; 95% CI: 1.25-14.5, p = 0.023). There was no significant correlation between 25(OH)D and lipid profile.ConclusionsVDD is highly prevalent in pancreas transplant candidates with type 1 diabetes. There is a significant relationship between VDD and increased prevalence of coronary disease. The lack of any significant association between serum vitamin D and lipid profile suggests that the relationship between vitamin D and coronary artery disease results from other causes.

Project description:Objective:It is well known that the occurrence of mental disorders is more common in lung transplant candidates compared to the general population. After transplantation mental disorders may negatively affect quality of life, adherence to immunosuppressive medication, as well as overall survival. Therefore, the identification of patients at risk is of utmost importance and in Germany pre-transplant psychosocial evaluation of the patients is required. To ensure high quality and comparability of these assessments, the use of psychometrically sound instruments is recommended. We applied the Transplant Evaluation Rating Scale (TERS), a broadly used expert interview. Two research groups have detected a two-factor structure of the TERS in different transplant samples; however, with slightly different results. The present study investigated which of the models would fit best in our sample of lung transplant patients. Additionally, we assessed convergent and predictive validity of the best fitting model to evaluate its clinical usefulness. Methods:Between 2016 and 2019, 390 lung transplant candidates were evaluated and included in the study. The median age was 53 years and 54% were male. TERS interviews were conducted by trained medical doctors and psychologists. The participants completed questionnaires assessing quality of life and levels of depression and anxiety. Transplant- and disease-specific variables (lung disease, listing date, oxygen use) were taken from the patient charts. Confirmatory factor analysis was used to test the two proposed TERS-models in the present sample. Results:The two-factor structure of the TERS reported by Hoodin and Kalbfleisch fit our sample best, showing good psychometric properties. The factor "emotional sensitivity" was highly correlated with quality of life and measures of psychosocial health while the factor "defiance" correlated with obstructive lung disease and older age but not with quality of life. The two factors showed differential predictive validity with regard to time until listing and pulmonary-specific quality of life 1 year after transplantation. Conclusions:The two factors showed good psychometric properties, and differential convergent and predictive validity. However, further studies concentrating on the predictive value of the TERS and its factors regarding somatic outcomes (mortality, graft functioning) are required.

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High prevalence of falsely declaring nicotine abstinence in lung transplant candidates.

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High prevalence of falsely declaring nicotine abstinence in lung transplant candidates.

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