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It is known that pneumothorax (PX) and pneumomediastinum (PM) develop due to COVID-19 disease. The objective of our study was to determine the prevalence of PX/PM due to COVID-19 in the intermediate intensive care unit (IMCU) and to evaluate the factors causing barotrauma and also the clinical outcomes of these patients. A total of 283 non-intubated patients with COVID-19 pneumonia followed up in the IMCU in a 1-year period were included in the study. The patients were classified as group 1 (having barotrauma) and group 2 (without barotrauma). The rate of barotrauma was 8.1% (n = 23, group 1). PX developed on the right hemithorax in 12 (70.6%) patients. Group 1 had statistically significantly higher 28-day mortality rates compared with group 2 (p = 0.014). The eosinophil and d-dimer levels of the patients in group 1 were higher, while C-reactive protein (CRP), fibrinogen, and albumin levels were lower than Group 2 (p < 0.001, p = 0.017, p = 0.001, p < 0.001), and p < 0.001, respectively). The similar rates of NIMV administration in our study groups support that barotrauma is not the only mechanism in the development of PX/PM. The findings of high blood eosinophil count and low blood levels of CRP, albumin, and fibrinogen in the barotrauma group of our study might be a pathfinder for future studies.
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It is important to identify cases of latent tuberculosis infection (LTBI) who are at risk for tuberculosis (TB) reactivation. We aimed to evaluate the performance of interferon (IFN)-gamma-inducible protein 10 (IP-10) as a marker to detect LTBI in patients with inflammatory rheumatic diseases (IRD). This study comprised 76 consecutive subjects with IRD. Patients with a history of TB or having active TB were excluded. In all patients, IP-10 level was measured and tuberculin skin test (TST) and QuantiFERON-TB Gold In-Tube test (QFT-GIT) were performed. Seventy patients with complete test results were analyzed. Twenty-one (30%) QFT-GIT-positive patients were defined as having LTBI. IP-10 yielded 2197 pg/mL cut-off point. At this cut-off point, IP-10 showed 89% specificity with a sensitivity of 91% (AUC: 0.950, 95% CI 0.906-0.994). TST, QFT-GIT, and IP-10 were positive in 77.1%, 30%, and 44.3% of the patients, respectively. Concordance among the results of TST, QFT-GIT, and IP-10 tests was evaluated. Agreement was poor between IP-10 and TST (58.6%, κ = 0.19), whereas it was good between QFT-GIT and IP-10 (84.3%, κ = 0.65). The results of the present study demonstrated that sensitivity and specificity of released IP-10 were as high as those of QFT-GIT in indicating LTBI in IRD patient group.
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BACKGROUND: The patients with neuromuscular diseases (NMD) are very fragile and it is hard to evaluate respiratory involvement of the primary disease in this group. Therefore, our study aimed to reveal the relationship between pulmonary function tests (PFT) and impulse oscillometry (IOS) and their correlation with respiratory clinical findings in NMD. MATERIAL AND METHODS: A total of 86 consecutive patients with NMD were included. The clinical findings of respiratory involvement, PFT, and IOS results of the patients were analyzed. RESULTS: Forty patients out of 86 were female. There were 29 patients with amyotrophic lateral sclerosis, four patients with myasthenia gravis, and 53 patients with muscular dystrophies/myopathies. According to the PFT results, 47 patients had restrictive PFT. However, there was no difference in IOS parameters when we compared the patients according to restrictions in PFT. A positive correlation was found with FVC %pred and X5. PEF %pred values were positively correlated with X10, X15, and X20, and negatively correlated with AX and R5-20. The patients with worse swallowing capability had increased Rrs levels, and more negative Xrs levels. The shortness of breath led to lower FEV1 %pred., higher R5, AX and R5-20, and also more negative X10, X15, and X35. CONCLUSION: Clinically reported dysphagia, a decreased capability of coughing, and shortness of breath in patients with NMD make Rrs increase in general, but Xrs parameters, which mainly express rib cage elasticity, turn more negative. In patients with NMD, IOS monitoring may help in evaluating the regression in respiratory functions, however, future studies are needed to understand more.
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Enfermedades Neuromusculares , Disnea , Femenino , Volumen Espiratorio Forzado , Humanos , Masculino , Enfermedades Neuromusculares/diagnóstico , Oscilometría/métodos , Pruebas de Función Respiratoria/métodos , EspirometríaRESUMEN
BACKGROUND: The cost-effectiveness and low rate of inadequate sampling with the use of rapid on-site evaluation (ROSE) along with endobronchial ultrasonography (EBUS) is well established. Our aim in this study was to evaluate the correlation of ROSE during EBUS and final cytologic diagnosis and also to see if ROSE might predict the subtype of lung cancer. PATIENTS AND METHODS: All consecutive subjects who attended our clinic between January 2016 and January 2019 for the evaluation of pathologic mediastinal and/or hilar lymph nodes (LNs)/mass using EBUS were enrolled into our prospective study. ROSE was performed in the same operating room with EBUS. ROSE results during EBUS were recorded. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of ROSE compared with the final cytologic diagnosis were evaluated. RESULTS: We enrolled 684 LN/mass lesions belonging to 328 patients into this study. When we compared ROSE results and final cytologic diagnosis, these procedures agreed on 91.6% of the LNs (P<0.001). The sensitivity of ROSE and final cytologic diagnosis for granulomatous inflammation was 72.5%, and for lung cancer, it was 89.2% (P<0.001). The sensitivity of ROSE for the adenocarcinoma subtype of lung cancer was 67.7%, and it was 70% for small cell lung cancer. CONCLUSION: ROSE may help to recognize non-small cell lung cancer during EBUS, especially the adenocarcinoma subtype of lung cancer, which will help ensure having sufficient material for molecular analysis.
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Adenocarcinoma , Carcinoma de Pulmón de Células no Pequeñas , Neoplasias Pulmonares , Adenocarcinoma/diagnóstico por imagen , Adenocarcinoma/patología , Carcinoma de Pulmón de Células no Pequeñas/diagnóstico por imagen , Carcinoma de Pulmón de Células no Pequeñas/patología , Biopsia por Aspiración con Aguja Fina Guiada por Ultrasonido Endoscópico/métodos , Humanos , Neoplasias Pulmonares/diagnóstico por imagen , Neoplasias Pulmonares/patología , Ganglios Linfáticos/diagnóstico por imagen , Ganglios Linfáticos/patología , Estudios Prospectivos , Evaluación in Situ Rápida , Estudios Retrospectivos , UltrasonografíaRESUMEN
BACKGROUND: In this study, we aimed to evaluate the attitudes and behaviors of physicians performing bronchoscopy during the COVID-19 outbreak. METHODS: Between March 2020 and May 2020, a total of 153 physicians were included in the study. An invitation letter for the participation in the study with a structured questionnaire of 18 questions were sent to the mail groups twice with five-day intervals. Participation in the study was allowed, until the third day after the second mail was sent. RESULTS: All participants completed the questionnaire. According to the results, 33% of the physicians did not perform bronchoscopy and the majority of the physicians performed very few procedures during the outbreak, although the participants mostly worked at the tertiary hospitals (mean: 7.2±9.3). A total of 20% of the physicians performed bronchoscopy in potential or proven COVID-19 patients. Almost all of the physicians who participated in the survey reported the use of personal protective equipment such as masks and goggles during the procedure. During the pandemic, 9.7% of the physicians who performed bronchoscopy to potential or proven COVID-19 patients and 4.1% of the participants who did not perform bronchoscopy to any potential or proven COVID-19 patients were found to be infected with the virus (p>0.05). CONCLUSION: Physicians who perform bronchoscopy during pandemic act in accordance with the recommendations of guidelines. Although there was no statistically significant difference between the SARS-CoV-2 transmission rates of the teams who performed and did not perform bronchoscopy in potential or proven COVID-19 patients in our study, the high rate of personal protective equipment utilization might have played a role in this result.
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Rationale: Coronavirus disease (COVID-19) is an ongoing pandemic, in which obesity, hypertension, and diabetes have been linked to poor outcomes. Obstructive sleep apnea (OSA) is associated with these conditions and may influence the prognosis of adults with COVID-19. Objectives: To determine the effect of OSA on clinical outcomes in patients with COVID-19. Methods: The current prospective observational study was conducted in three hospitals in Istanbul, Turkey from March 10 to June 22, 2020. The participants were categorized as high-risk or low-risk OSA according to the Berlin questionnaire that was administered in the out-patient clinic, in hospital, or shortly after discharge from hospital blinded to the clinical outcomes. A modified high-risk (mHR)-OSA score based on the snoring patterns (intensity and/or frequency), breathing pauses, and morning/daytime sleepiness, without taking obesity and hypertension into account, were used in the regression models. Results: The primary outcome was the clinical improvement defined as a decline of two categories from admission on a 7-category ordinal scale that ranges from 1 (discharged with normal activity) to 7 (death) on Days 7, 14, 21, and 28, respectively. Secondary outcomes included clinical worsening (an increase of 1 category), need for hospitalization, supplemental oxygen, and intensive care. In total, 320 eligible patients (median [interquartile range] age, 53.2 [41.3-63.0] yr; 45.9% female) were enrolled. In all, 121 (37.8%) were categorized as known (n = 3) or high-risk OSA (n = 118). According to the modified scoring, 70 (21.9%) had mHR-OSA. Among 242 patients requiring hospitalization, clinical improvement within 2 weeks occurred in 75.4% of the mHR-OSA group compared with 88.4% of the modified low-risk-OSA group (P = 0.014). In multivariate regression analyses, mHR-OSA (adjusted odds ratio [OR], 0.42; 95% confidence interval [CI], 0.19-0.92) and male sex (OR, 0.39; 95% CI, 0.17-0.86) predicted the delayed clinical improvement. In the entire study population (n = 320), including the nonhospitalized patients, mHR-OSA was associated with clinical worsening (adjusted hazard ratio, 1.55; 95% CI, 1.00-2.39) and with the need for supplemental oxygen (OR, 1.95; 95% CI, 1.06-3.59). Snoring patterns, especially louder snoring, significantly predicted delayed clinical improvement, worsening, need for hospitalization, supplemental oxygen, and intensive care. Conclusions: Adults with mHR-OSA in our COVID-19 cohort had poorer clinical outcomes than those with modified low-risk OSA independent of age, sex, and comorbidities. Clinical trial registered with www.clinicaltrials.gov (NCT04363333).
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COVID-19 , Apnea Obstructiva del Sueño , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo , SARS-CoV-2 , Apnea Obstructiva del Sueño/epidemiología , Apnea Obstructiva del Sueño/terapia , RonquidoRESUMEN
Coronavirus disease 2019 (COVID-19) has become a game changer in many aspects of clinical practice. Acute exacerbations of idiopathic pulmonary fibrosis (IPF) are known as serious events, which can reach a mortality rate of 50%, where viral infections may play a role. We describe the case of a 64-year-old male patient with a diagnosis of IPF under antifibrotic treatment for 1 year; the patient tested positive for COVID-19 with polymerase chain reaction test of the nasopharyngeal swab, and his chest computed tomography results were compatible with COVID-19 pneumonia described in the literature as well as the findings compatible with interstitial lung disease. The patient was successfully treated in the pulmonology ward according to official guidelines about COVID-19 along with antifibrotic treatment and required only a short course of oxygen therapy. We experienced no drug interactions, serious side effects, or complications during treatment. The patient was discharged after 1 week, and he is still in a good condition after 3 weeks. COVID-19 pneumonia in a patient with IPF who survived under antifibrotic treatment without serious deterioration is a new experience. Such cases will probably change our perspective in treating patients with IPF.
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OBJECTIVES: Sarcoidosis is a chronic systemic inflammatory disease that affects multiple organ systems. The role of biomarkers in the diagnosis and prognosis of sarcoidosis is increasing. Interest in the role of adipose tissue-mediated inflammation in the pathogenesis of inflammatory diseases has increased in recent years. Visfatin is a proinflammatory adipocytokine that has been studied for several inflammatory diseases such as diabetes mellitus, obesity, and metabolic syndrome. We aimed to assess serum visfatin levels in sarcoidosis and its relationship with other markers of inflammation such as C-reactive protein (CRP), angiotensin-converting enzyme (ACE) and erythrocyte sedimentation rate (ESR). MATERIALS AND METHODS: We enrolled 59 patients with sarcoidosis and 21 healthy controls and measured plasma levels of visfatin, along with serum CRP, ESR, and ACE using ELISA (enzyme-linked immunosorbent assay) kits (Blue Gene Biotech, Shanghai, China). RESULTS: Visfatin levels did not differ significantly between the patients and control subjects (29.9±15.8 ng/mL for patients and 23.93±16.73 ng/mL for controls, p=0.15), and there was no correlation between visfatin and serum CRP, ACE, or ESR in patients with sarcoidosis. CONCLUSION: Visfatin is recently being discussed as a biomarker for inflammatory diseases in several studies, and results are controversial. In our study, no differences were found in the serum levels of visfatin between patients with sarcoidosis and the control group.
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BACKGROUND: This study aims to investigate the role of endobronchial ultrasonography elastography in predicting malignancy. METHODS: Between January 2016 and December 2016, a total of 221 lymph nodes were biopsied using the endobronchial ultrasonography-guided transbronchial needle aspiration from 119 consecutive patients (69 males, 50 females; mean age 63.2±12.4 years; range, 16 to 86 years) were included. Lymph nodes were scored by elastography according to their colors in four categories before the procedure. The strain ratio was calculated based on the region of interest after three measurements. RESULTS: Of the patients, 93 were diagnosed with a malignancy through endobronchial ultrasonography-guided transbronchial needle aspiration biopsy. The mean lymph node score of benign versus malignant lesions was 2.2±1.0 and 3.2±1, respectively (p<0.001). There was a positive correlation between the lymph node scores and lymph node diameter, strain ratio, ≥3 of lymph node scoring, the sensitivity for malignancy was 79% and specificity was 60%. The mean strain ratio for malignant and benign lymph nodes was 22.2±30.1 and 5.2±1.7, respectively (p<0.001). With a cut-off value of ≥2.47 of strain ratio, the sensitivity for malignancy was 75% and specificity was 65%. The combined use of positron emission tomography and lymph node score or strain ratio yielded 80.4% and 61.2% sensitivity and 80% and 70.3% specificity for malignancy, respectively. CONCLUSION: Endobronchial ultrasonography elastography is useful in predicting malignancy of the lymph nodes. When combined with positron emission tomography, specificity and positive predictive value for malignancy increase.
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OBJECTIVE: To analyze the extent of visceral pleural invasion (VPI) and its effect on survival along with its place in determining the T descriptor in TNM staging in our patients. METHODS: A total of 233 patients underwent lung resection. The data were retrospectively analyzed in terms of sex, age, histopathologic type, stage of the tumor, extent of VPI, and survival. Patients who had neoadjuvant chemotherapy or chemoradiotherapy, distant metastasis, parietal pleural invasion, and operative mortality were excluded. RESULTS: The median follow-up was 59 months (range 4-126). The extent of VPI was PL0 in 119 (65.7%) patients, PL1 in 47 (26%) patients, and PL2 in 15 (8%) patients. The median survival rates were 65 (range 43-96) months for PL0, 54 (range 37-72) months for PL1, and 39 (range 12-69) months for PL2. The 5-year overall survival rates were 74.7% for PL0, 77.8% for PL1, and 53.3% for PL2. There were statistically significant differences in overall survival among PL0, PL1, and PL2 ( p = 0.03). In subgroup analysis, the difference was insignificant in PL0 vs PL1 ( p = 0.81), but significant in PL0 vs PL2 ( p = 0.02) and PL1 vs PL2 ( p = 0.04) groups. CONCLUSIONS: This study emphasizes that the presence of VPI is related with poor prognosis independent of lymph node positivity, histologic subtypes, and tumor size. As the study shows, PL0 and PL1 have similar survival rates and these two groups may be considered as VPI (-) patients whereas PL2 disease affects survival outcomes.
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Carcinoma de Pulmón de Células no Pequeñas/patología , Neoplasias Pulmonares/patología , Estadificación de Neoplasias/métodos , Pleura/patología , Adulto , Anciano , Anciano de 80 o más Años , Carcinoma de Pulmón de Células no Pequeñas/mortalidad , Femenino , Humanos , Estimación de Kaplan-Meier , Neoplasias Pulmonares/mortalidad , Masculino , Persona de Mediana Edad , Invasividad Neoplásica/patología , Pronóstico , Estudios RetrospectivosRESUMEN
INTRODUCTION: Recent articles revealed that an increased main pulmonary artery to ascending aorta ratio (PA/A) in thorax computed tomography (CT) correlated with pulmonary hypertension, and might be linked to a high probability of chronic obstructive pulmonary disease (COPD) exacerbations. OBJECTIVES: In this study, our aim was to evaluate the clinical importance of PA/A in patients with exacerbations of COPD and investigate its relationship with the number of exacerbations in 1 year or short/long-term mortality after hospital discharge. METHODS: One hundred fifty-six patients hospitalized for COPD exacerbations who fulfilled our inclusion criteria were enrolled in the study. We recorded the number of exacerbations in 1 year from hospital records, checked mortality status, and calculated the PA/A ratio from thorax CT images. RESULTS: PA/A ratio positively correlated with the number of hospitalizations for COPD exacerbations and the total number of exacerbations (hospitalized or not) in 1 year, and baseline PaCO2 level during hospitalization (r = 0.376, P < 0.001, r = 0.230, P = 0.004, and r = 0.328, P < 0.001, respectively). There was no relationship between mortality and PA/A. CONCLUSION: Our study showed that PA/A was related with the number of hospitalizations and the total number of exacerbations due to COPD in 1 year. However, there was no relationship between PA/A and mortality.
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Aorta/diagnóstico por imagen , Hipertensión Pulmonar/diagnóstico por imagen , Arteria Pulmonar/diagnóstico por imagen , Enfermedad Pulmonar Obstructiva Crónica/mortalidad , Anciano , Anciano de 80 o más Años , Aorta/anatomía & histología , Progresión de la Enfermedad , Ecocardiografía/métodos , Femenino , Volumen Espiratorio Forzado/fisiología , Hospitalización/estadística & datos numéricos , Humanos , Hipertensión Pulmonar/complicaciones , Hipertensión Pulmonar/fisiopatología , Masculino , Persona de Mediana Edad , Mortalidad/tendencias , Alta del Paciente/estadística & datos numéricos , Arteria Pulmonar/anatomía & histología , Enfermedad Pulmonar Obstructiva Crónica/fisiopatología , Estudios Retrospectivos , Tomografía Computarizada por Rayos X/métodos , Remodelación Vascular/fisiologíaRESUMEN
BACKGROUND: Cigarette smoking is one of the most common addictions worldwide. Muslim smokers reduce the number of cigarettes they smoke during Ramadan due to the long fasting hours. OBJECTIVES: We aimed to share our experience in a smoking cessation clinic during Ramadan by analyzing the efficacy and adverse effects of once-daily dosing of bupropion or varenicline in a fasting group compared with conventional dosing in a non-fasting group. METHODS: We analyzed 57 patients who attended our smoking cessation clinic during Ramadan of 2014 and 2015, and at least one follow-up visit. For the fasting patients, we prescribed bupropion or varenicline after dinner (once daily) as the maintenance therapy. We recorded demographic characteristics of the patients, fasting state, drugs taken for smoking cessation, and the dosage of the medication. At the first follow-up visit, adverse effects seen with the treatment were recorded. We conducted telephone interviews 6 months after the first visits of the patients to learn the current smoking status of the groups. RESULTS: Of the total 57 patients, 20 (35.1%) were fasting and 37 (64.9%) were not fasting. Fasting and non-fasting patients were similar for sex, age, smoking pack-years, marital status, educational status, and mean Fagerström scores (p >.05). Adverse effects and quit rates after 6 months of follow-up were similar between the fasting and non-fasting groups (p >.05). CONCLUSION: Although our sample size was small, we found no difference in the rates of adverse effects or smoking cessation using a single daily oral dose of bupropion or varenicline between a fasting group and a non-fasting group that received conventional dosing.
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Bupropión/uso terapéutico , Ayuno , Agonistas Nicotínicos/uso terapéutico , Cese del Hábito de Fumar/métodos , Fumar/tratamiento farmacológico , Dispositivos para Dejar de Fumar Tabaco , Vareniclina/uso terapéutico , Adulto , Inhibidores de Captación de Dopamina/uso terapéutico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Resultado del TratamientoRESUMEN
BACKGROUND: Expiratory central airway collapse (ECAC) is abnormal central airway narrowing during expiration. ECAC involves 2 different pathophysiological entities as tracheobronchomalacia and excessive dynamic airway collapse (EDAC). Although the exact cause is unknown, chronic obstructive pulmonary disease (COPD) is frequently accompanied by ECAC. Although there are various publications on the relationship between COPD and ECAC, there are very few data for stent placement in patients with tracheobronchomalacia accompanied severe COPD. We share our results for stenting in ECAC among patients with severe COPD. METHODS: The data in this case series were collected retrospectively. The ECAC diagnosis was made during flexible bronchoscopy with severe COPD. Silicone Y-stents were placed via rigid bronchoscopy under general anesthesia. RESULTS: A total of 9 patients' (7 men) data were evaluated with an average age of 67±10.73 years. One patient experienced stent migration on the second day of stenting prompting stent removal. Another patient died 1 month after stenting. Consequently, we evaluated the follow-up data of remaining 7 patients. The changes in forced expiratory volume 1 was not significant for these 7 cases (P=0.51). The modified Medical Research Council (mMRC) score improvement was statistically significant (P=0.03). Functional status improvement was observed in 4 of 7 patients. Of the 7 patients, mean additional follow-up bronchoscopic interventions requirement was 2.2 times. CONCLUSIONS: Our study showed significant decrease in mMRC score with stenting for ECAC in severe COPD. For 2 patients, we experienced severe complications during short-term follow-up period after stenting. Additional follow-up bronchoscopic interventions were required.
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Enfermedad Pulmonar Obstructiva Crónica/cirugía , Stents , Traqueobroncomalacia/cirugía , Anciano , Enfermedades Bronquiales/fisiopatología , Enfermedades Bronquiales/cirugía , Broncoscopía/métodos , Remoción de Dispositivos , Femenino , Volumen Espiratorio Forzado , Humanos , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias/epidemiología , Falla de Prótesis , Enfermedad Pulmonar Obstructiva Crónica/fisiopatología , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Siliconas , Traqueobroncomalacia/fisiopatología , Resultado del Tratamiento , Capacidad VitalRESUMEN
BACKGROUND: Using innovative and scientific methods increases the rate of quitting in smokers. Short message service (SMS) is a communication tool widely used and well integrated in many people's daily lives. To increase adherence to appointments in smoking cessation clinics (SCC), it is thought that increased compliance could be achieved by falling outside the traditional methods. SMS has been shown to increase the compliance of patients with SCC appointments. AIMS: In this study, we aimed to evaluate the effect of SMS in the compliance of patients with SCC follow-up visits and smoking cessation success. STUDY DESIGN: Case-control study. METHODS: Our study was a controlled, open, prospective study. We enrolled 436 cases applied to SCC of Yedikule Training and Research Hospital between 01.10.2013-30.06.2014 and agreed to follow-up with SMS. SMS was sent to the patients to remind them of appointments at the SCC and to query their smoking state. RESULTS: Two hundred-and-eighty seven (65.8%) of the patients were male and 149 (34.2%) were female. The mean age was 45±12 years. In this study, 296 (67.9%) patients had graduated from primary school. Our patients' smoking state was queried by telephone at the 6-month follow-up and we contacted 348 patients. According to this, 88 (25.3%) patients were not smoking, and 260 (74.7%) patients were smokers. Therefore, the smoking cessation rate was 24% (n=60) in patients who did not respond to SMS reminders at all, and 28.6% (n=28) in patients answering any SMS at least once (p=0.377). Smoking cessation rate of the patients invited by SMS but who did not attend any control visits was 19.1%, and it was 34.5% in patients coming to a control visit at least once. This difference was statistically significant (p=0.001). CONCLUSION: In our study, there was increased success of smoking cessation in patients coming to control visits. We think that this may result from the possibly increased compliance to SCC appointments following reminders by SMS, and that this may also increase smoking cessation success.
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Inflamación/diagnóstico , Inflamación/patología , Linfocitos/patología , Neutrófilos/patología , Enfermedad Pulmonar Obstructiva Crónica/diagnóstico , Enfermedad Pulmonar Obstructiva Crónica/patología , Enfermedad Aguda , Biomarcadores/sangre , Humanos , Inflamación/sangre , Enfermedad Pulmonar Obstructiva Crónica/sangre , Recurrencia , Reproducibilidad de los Resultados , Sensibilidad y EspecificidadRESUMEN
Tuberculosis is a major public health problem and it may be complicated by multidrug-resistant tuberculosis (MDR-TB). Wide transmission among immunocompetent contacts of the index case is possible. If you detect tuberculosis in two contacts of the index case, it is called an outbreak. The aim of our paper is to evaluate the characteristics of a MDR-TB outbreak affecting 7 people in a family treated during 2012-2014 in Istanbul Yedikule Training and Research Hospital for Chest Disease and Thoracic Surgery, Turkey. The cultures, spoligotyping, and DNA fingerprinting revealed the same Mycobacterium tuberculosis species as T1 genotype and ST53 subtype. All patients were negative for human immunodeficiency virus and free of other underlying diseases.