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1.
Kazumasa Ogawa Yui Takahashi Kyoko Murase Shigeo Hanada Hironori Uruga Hisashi Takaya Atsushi Miyamoto Nasa Morokawa Atsuko Kurosaki Kazuma Kishi 《Respiratory investigation》2018,56(5):410-417
Background
Pneumothorax occasionally develops in patients with interstitial pneumonia (IP) and is often intractable. As there exists no well-established treatment for pneumothorax with IP, we evaluated the efficacy and safety of pleurodesis with OK-432, a lyophilized preparation of Streptococcus pyogenes Su strain that has been inactivated by benzylpenicillin.Methods
We retrospectively evaluated the efficacy and safety of pleurodesis using OK-432 in 39 patients treated for IP-related pneumothorax between January 2006 and May 2017. Five to 10 Klinische Einheit (KE) of OK-432 was injected through the chest tube of each patient. Pleurodesis was considered successful if 1) the chest tube was removed without air leaks and 2) there was no recurrence of pneumothorax within 4 weeks after tube removal, and no additional treatment was required.Results
OK-432 pleurodesis was performed 46 times in 39 patients. The median number of OK-432 intrapleural injections received was 1 (range, 1–6), and median dose was 10 KE (range, 5–55 KE). The success rate was 63% (29/46) and recurrence rate was 17.4% (8/46). Grade 5 adverse events were observed in eight patients, including two patients who developed acute exacerbation of IP. Patients in whom the first OK-432 pleurodesis was successful had a significantly longer median survival time than patients in whom it was unsuccessful (322 days vs. 70 days, p = 0.036).Conclusions
Our results show that OK-432 pleurodesis is an effective treatment for pneumothorax associated with IP; however, clinicians should be aware of the possibility of adverse events, especially in patients who are critically ill. 相似文献2.
Hai-jian Liu Jian Guo Qin-hua Zhao Lan Wang Wen-lan Yang Jing He Su-gang Gong Jin-ming Liu 《The American journal of the medical sciences》2017,353(3):216-223
Background
To study the relationship between chronotropic incompetence (CI) and disease severity and to assess the effect of CI on exercise capacity in patients with chronic obstructive pulmonary disease (COPD).Materials and Methods
Arterial blood gas analysis, pulmonary function test and cardiopulmonary exercise testing were conducted in 60 patients with stable COPD and 45 healthy volunteers. CI was defined using the chronotropic response index (CRI = (peak heart rate-resting heart rate) / (220-age-resting heart rate). Based on CRI, patients with COPD were divided into the normal chronotropic group (n = 23) and CI group (n = 37).Results
CI was present in 61.7% of the patients with COPD. Exercise capacity (peak oxygen uptake as percentage of predicted value, peak VO2%pred), peak heart rate and CRI were significantly lower in patients with COPD than in controls. However, resting heart rate was significantly higher than in controls. FEV1%pred and exercise capacity were significantly decreased in the CI group when compared with those in the normotropic group. There was significant association between CRI with FEV1%pred and peak VO2%pred. Multivariate regression analysis showed that CRI and FEV1%pred were independent predictors of exercise capacity in patients with COPD. A cutoff of 0.74 for the CRI showed a specificity of 94.1% in predicting patients with a peak VO2%pred < 60%.Conclusions
CRI was associated with disease severity in patients with COPD. CI may be an important parameter to reflect exercise capacity in patients with COPD. 相似文献3.
Atsuhito Ushiki Shuhei Nozawa Masanori Yasuo Kazuhisa Urushihata Hiroshi Yamamoto Masayuki Hanaoka Keisaku Fujimoto 《Respiratory investigation》2017,55(1):33-38
Background
Field walk tests such as the incremental shuttle walk test (ISWT) are simple tests for assessing the degree of disability in individuals with chronic obstructive pulmonary disease (COPD). In the present study, the correlations between exercise performance in the ISWT, lung function, and health status were examined in patients with COPD of varying severities.Methods
A retrospective examination of 277 COPD patients was performed using the ISWT and lung function tests along with assessment of health status using St. George?s Respiratory Questionnaire (SGRQ). In addition, we assessed the correlations between the walking distance, lung function parameters, and SGRQ scores.Results
ISWT distances were poorly correlated with lung function parameters and SGRQ scores in mild COPD patients. In contrast, ISWT distances were significantly correlated with pulmonary function parameters, such as vital capacity (%predicted) and forced expiratory volume in one second, and SGRQ scores in moderate and severe COPD patients.Conclusions
The ISWT is more independent of health status and pulmonary function in patients with mild COPD compared to moderate or severe cases. Therefore, the exercise capacity of patients with mild COPD should be estimated by the ISWT. 相似文献4.
Hiroyoshi Machida Yoko Shibata Sumito Inoue Akira Igarashi Yoshikane Tokairin Keiko Yamauchi Tomomi Kimura Kento Sato Hiroshi Nakano Michiko Nishiwaki Maki Kobayashi Sujeong Yang Yukihiro Minegishi Kodai Furuyama Tomoka Yamamoto Tetsu Watanabe Tsuneo Konta Yoshiyuki Ueno Isao Kubota 《Respiratory investigation》2018,56(1):34-39
Background
Diabetes has been reported as a comorbidity of chronic obstructive pulmonary disease (COPD) in Western countries, but it has not been demonstrated in epidemiological reports in Japan. The purpose of this study was to clarify whether the relationship between airflow obstruction and diabetes can be confirmed in a Japanese general population.Methods
From 2004 to 2006, blood sampling and pulmonary function tests were performed on 3045 people over the age of 40 years in annual health check-ups held in Takahata, Yamagata Prefecture, Japan. Pulmonary function was re-evaluated in 2009 and 2011.Results
The prevalence of diabetes did not differ between subjects with and without airflow obstruction. Furthermore, although body mass index decreased, no increase in the prevalence of diabetes was observed with the progression of airflow obstruction. The annual changes in forced expiration volume in 1 s (FEV1) did not differ depending on the presence or absence of diabetes in the study population.Conclusion
There was no difference in the prevalence of diabetes between subjects with airflow obstruction and those without. As patients with COPD in Japan are thinner than in the West, diabetes may not be a common comorbidity in Japanese patients with COPD. 相似文献5.
Satoshi Takeda Nobuhiko Nagata Yuji Yoshida Takemasa Matsumoto Takashi Aoyama Taishi Harada Hiroyuki Miyazaki Takanori Akagi Shinichiro Ushijima Hiroshi Yatsugi Senichiro Mori Kenji Wada Daisuke Hamatake Toshihiko Moroga Masaki Fujita Kentaro Watanabe 《Respiratory investigation》2018,56(5):405-409
Background
Small-bore aspiration catheters (Aspiration Kit®) cause less pain than conventional trocar catheters in patients. The objective of this study was to examine the usefulness of these less invasive small-bore aspiration catheters for drainage of pneumothorax.Methods
Baseline characteristics and laboratory test data at admission of 70 patients who were admitted to and underwent drainage treatment for pneumothorax at our hospital between April 2011 and February 2017 were retrospectively reviewed based on their medical records. The primary endpoints were factors associated with drainage treatment failure, and baseline characteristics and laboratory test data were compared between those treated with a small-bore aspiration catheter and those treated with a trocar catheter.Results
The numbers of patients with anticoagulant use (P < 0.0001), ischemic stroke (P = 0.0063), and atrial fibrillation (P = 0.0410) were significantly different between the two groups. No significant intergroup differences were noted with respect to the length of hospitalization, drainage duration, subcutaneous emphysema, and treatment failure. Logistic regression analyses of baseline characteristics showed that the severity of pneumothorax, localization of pneumothorax, and recurrent pneumothorax were significantly associated with drainage treatment failure, but the type of drainage catheter was not significantly associated with treatment failure. [Conclusions] The results suggest that small-bore aspiration catheters, which cause less pain in patients, are potentially useful for pneumothorax drainage. 相似文献6.
Koichi Hasegawa Susumu Sato Kazuya Tanimura Yoshinori Fuseya Kiyoshi Uemasu Yoko Hamakawa Atsuyasu Sato Michiaki Mishima Shigeo Muro Toyohiro Hirai 《Respiratory investigation》2018,56(3):230-237
Background
Cough and sputum production (symptoms of bronchitis) are common in chronic obstructive pulmonary disease (COPD). Extrapulmonary comorbidities, such as gastroesophageal reflux disease (GERD) and post-nasal drip, also cause bronchitis symptoms. The impact of extrapulmonary comorbidities on the severity of bronchitis symptoms in COPD is unknown. The aim of this study was to quantify bronchitis symptoms and assess the impact of GERD and nasal symptoms on the severity of bronchitis symptoms in COPD.Methods
In this cross-sectional study, stable COPD patients were recruited and completed the COPD assessment test (CAT) and Cough and Sputum Assessment Questionnaire (CASA-Q) to quantify bronchitis symptoms. To evaluate extrapulmonary comorbidities, the Frequency Scale for Symptoms of GERD (FSSG) questionnaire and nasal symptom questionnaire were completed. The impact of these comorbidities on the severity of bronchitis symptoms was analyzed.Results
Ninety-nine COPD patients were recruited. The presence of GERD symptoms (24.2% in the study population) was associated with more sputum symptoms. The presence of nasal discharge (43.4%) was associated with more cough and sputum symptoms, whereas post-nasal drip (13.1%) was associated with more sputum symptoms. On multivariate analyses, nasal discharge was associated with more cough symptoms. GERD and post-nasal drip were associated with more sputum symptoms.Conclusion
This study showed that the presence of GERD and/or nasal symptoms is associated with an increase in bronchitis symptoms. Careful assessment of extrapulmonary comorbidities is necessary in the evaluation of bronchitis symptoms in COPD patients. 相似文献7.
Hiroki Tashiro Koichiro Takahashi Koji Kusaba Masahide Tanaka Kazutoshi Komiya Tomomi Nakamura Yosuke Aoki Shinya Kimura Naoko Sueoka-Aragane 《Respiratory investigation》2018,56(2):166-172
Background
Despite treatment, pulmonary nocardiosis, which is a rare opportunistic disease caused by Nocardia species, has poor clinical outcomes including recurrence and death. Currently, the treatment regimen and duration for pulmonary nocardiosis are not fully understood. The present study aimed to clarify the factors related to the clinical outcome of pulmonary nocardiosis.Methods
The medical records of 24 patients with pulmonary nocardiosis were retrospectively reviewed. The patients were divided into two groups based on the outcomes within 2 years: patients with controlled disease (n = 14) and patients who developed recurrence or died (n = 10).Results
Nocardia was identified by 16 S ribosomal RNA sequencing in 17 patients (70.8%) and by conventional biochemical test in five patients (20.8%). The patients’ characteristics, clinical findings, radiological features, and treatment history were not different between the two groups. Compared with patients who developed recurrence or died, those with controlled disease had significantly longer total duration of treatment with antibiotics, especially trimethoprim/sulfamethoxazole (67.5 ± 111.6 days vs. 9.0 ± 6.5 days; p = 0.01). Pancytopenia was the most frequent adverse effect of trimethoprim/sulfamethoxazole.Conclusions
Longer duration of trimethoprim/sulfamethoxazole treatment was significantly associated with better outcomes of pulmonary nocardiosis. In such cases, antibiotics, especially trimethoprim/sulfamethoxazole, should be administered for more than 3 months. 相似文献8.
Michelle D. Karpman Ronald Eldridge Jack L. Follis Carol J. Etzel Sanjay Shete Randa A. El-Zein 《Respiratory investigation》2018,56(1):28-33
Background
The prevalence of chronic obstructive pulmonary disease (COPD) in smokers enrolled as “healthy” controls in studies is 10–50%. The COPD status of ideal smoker populations for lung cancer case-control studies should be checked via spirometry; however, this is often not feasible, because no medical indications exist for asymptomatic smokers to undergo spirometry prior to study enrollment. Therefore, there is an unmet need for robust, cost effective assays for identifying undiagnosed lung disease among asymptomatic smokers. Such assays would help excluding unhealthy smokers from lung cancer case-control studies.Methods
We used the cytokinesis-blocked micronucleus (CBMN) assay (a measure of genetic instability) to identify undiagnosed lung disease among asymptomatic smokers. We used a convenience population from an on-going lung cancer case-control study including smokers with lung cancer (n = 454), smoker controls (n = 797), and a self-reported COPD (n = 200) contingent within the smoker controls.Results
Significant differences for all CBMN endpoints were observed when comparing lung cancer to All controls (which included COPD) and Healthy controls (with no COPD). The risk ratio (RR) was increased in the COPD group vs. Healthy controls for nuclear buds (RR 1.28, 95% confidence interval 1.01–1.62), and marginally increased for micronuclei (RR 1.06, 0.98–1.89) and nucleoplasmic bridges (RR 1.07, 0.97–1.15).Conclusion
These findings highlight the importance of using truly healthy controls in studies geared toward assessment of lung cancer risk. Using genetic instability biomarkers would facilitate the identification of smokers susceptible to tobacco smoke carcinogens and therefore predisposed to either disease. 相似文献9.
Naoya Tanabe Tsuyoshi Oguma Susumu Sato Takeshi Kubo Satoshi Kozawa Hiroshi Shima Koji Koizumi Atsuyasu Sato Shigeo Muro Kaori Togashi Toyohiro Hirai 《Respiratory investigation》2018,56(6):489-496
Background
Quantitative measurement of airway dimensions using computed tomography (CT) is performed in relatively larger airways due to the limited resolution of CT scans. Nevertheless, the small airway is an important pathological lesion in lung diseases such as chronic obstructive pulmonary disease (COPD) and asthma. Ultra-high resolution scanning may resolve the smaller airway, but its accuracy and limitations are unclear.Methods
Phantom tubes were imaged using conventional (512 × 512) and ultra-high resolution (1024 × 1024 and 2048 × 2048) scans. Reconstructions were performed using the forward-projected model-based iterative reconstruction solution (FIRST) algorithm in 512 × 512 and 1024 × 1024 matrix scans and the adaptive iterative dose reduction 3D (AIDR-3D) algorithm for all scans. In seven subjects with COPD, the airway dimensions were measured using the 1024 × 1024 and 512 × 512 matrix scans.Results
Compared to the conventional 512 × 512 scan, variations in the CT values for air were increased in the ultra-high resolution scans, except in the 1024×1024 scan reconstructed through FIRST. The measurement error of the lumen area of the tube with 2-mm diameter and 0.5-mm wall thickness (WT) was minimal in the ultra-high resolution scans, but not in the conventional 512 × 512 scan. In contrast to the conventional scans, the ultra-high resolution scans resolved the phantom tube with ≥ 0.6-mm WT at an error rate of < 11%. In seven subjects with COPD, the WT showed a lower value with the 1024 × 1024 scans versus the 512 × 512 scans.Conclusions
The ultra-high resolution scan may allow more accurate measurement of the bronchioles with smaller dimensions compared with the conventional scan. 相似文献10.
Jungeun Lee Huong Q. Nguyen Monica E. Jarrett Pamela H. Mitchell Kenneth C. Pike Vincent S. Fan 《Heart & lung : the journal of critical care》2018,47(2):149-156
Background
Chronic obstructive pulmonary disease (COPD) patients experience multiple symptoms including dyspnea, anxiety, depression, and fatigue, which are highly correlated with each other. Together, those symptoms may contribute to impaired physical performance.Objectives
The purpose of this study was to examine interrelationships among dyspnea, anxiety, depressive symptoms, and fatigue as contributing factors to physical performance in COPD.Methods
This study used baseline data of 282 COPD patients from a longitudinal observational study to explore the relationship between depression, inflammation, and functional status. Data analyses included confirmatory factor analyses and structural equation modeling.Results
Dyspnea, anxiety and depression had direct effects on fatigue, and both dyspnea and anxiety had direct effects on physical performance. Higher levels of dyspnea were significantly associated with impaired physical performance whereas higher levels of anxiety were significantly associated with enhanced physical performance.Conclusion
Dyspnea was the strongest predictor of impaired physical performance in patients with COPD. 相似文献11.
Miharu Kato Yumiko Kanehiro Kaku Yoshimi Yuzo Kodama Mitsuaki Sekiya Tadashi Sato Kazuhisa Takahashi Kuniaki Seyama 《Respiratory investigation》2018,56(6):480-488
Background
Lymphangioleiomyomatosis (LAM) is a progressive, cystic lung disease that causes an obstructive ventilatory impairment similar to chronic obstructive pulmonary disease (COPD) and impairs the health-related quality of life (HRQoL). Here, we extended the use of the COPD assessment test (CAT) to patients with chronic respiratory diseases other than COPD. Specifically, the CAT was administered to patients with LAM for the first time.Methods
Using data from 25 patients with LAM at Juntendo University who participated in the Multicenter Lymphangioleiomyomatosis Sirolimus Trial for Safety (MLSTS), we evaluated changes in pulmonary function, responses to HRQoL questionnaires (the CAT, St. George?s Respiratory Questionnaire [SGRQ], EuroQOL Visual Analogue Scale [EuroQOL-VAS], and Functional Performance Inventory [FPI]), and the association between pulmonary function and HRQoL during a 24-month period of sirolimus treatment.Results
Forced expiratory volume in one second (FEV1), forced vital capacity (FVC), and CAT total scores improved over the 24 months of sirolimus treatment (5.33 ± 1.20?ml/month, 2.61 ± 1.16?ml/month, and ?0.127 ± 0.022 score/month, respectively), whereas SGRQ total score, EuroQOL-VAS score, and FPI score did not. Most pulmonary functions at baseline were associated with the CAT breathlessness score during the first year. Longitudinal changes in FEV1, FEV1%predicted, or FEV1/FVC correlated significantly with the scores of CAT total, CAT breathlessness, and SGRQ activity. When analyzed by stepwise multivariate regression within a linear mixed-effects model, CAT breathlessness and confidence scores were significantly associated with a change in FEV1 from the baseline value (P = 0.0011, and P = 0.0441).Conclusion
Our results suggest that the CAT is a useful instrument for assessing HRQoL in sirolimus-treated patients with LAM. 相似文献12.
Masanori Yasuo Yoshiaki Kitaguchi Fumiya Kinota Makoto Kosaka Kazuhisa Urushihata Atsuhito Ushiki Hiroshi Yamamoto Satoshi Kawakami Masayuki Hanaoka 《Respiratory investigation》2018,56(3):222-229
Background
Pulmonary function tests (PFTs) comprise the traditional method for detecting central airway obstruction (CAO) and evaluating therapeutic effects, but are effort-dependent. By contrast, the forced oscillation technique (FOT) is performed during tidal breathing in an effort-independent mode and is universally used to assess respiratory function in patients with chronic obstructive pulmonary disease (COPD) and asthma. We used the FOT to measure airway resistance and reactance in patients with CAO before and after interventional bronchoscopy and compared the results to data obtained using PFTs.Methods
Twelve patients with CAO were recruited from December 2013 to July 2016. The FOT, PFTs, chest computed tomography (CT), COPD Assessment Test (CAT), and the modified Medical Research Council (mMRC) dyspnea scale were employed before and after interventional bronchoscopy. The minimum airway cross-sectional area (MACSA) was calculated using a CT image calculator.Results
Of the 12 patients, 6 had tracheal obstruction and 6 had bronchial obstruction. All FOT measurements, except ΔX5, were significantly improved after interventional bronchoscopy in all cases. The significance of the improvement was greater with the FOT than PFTs. The MACSA, CAT, and mMRC dyspnea scale scores also significantly improved in all cases. Furthermore, only alteration of resistance at 20?Hz (R20) significantly correlated with the alteration of the MACSA after intervention. No significant correlations were found for PFTs.Conclusions
The FOT is suitable and convenient for assessing therapeutic results in patients with tracheobronchial CAO. The alteration of R20 is useful for estimating the airway dilation of CAO after interventional bronchoscopy. 相似文献13.
Masamichi Sato Sumito Inoue Akira Igarashi Yoshikane Tokairin Kento Sato Hiroshi Nakano Yuki Abe Maki Kobayashi Tomomi Kimura Keiko Yamauchi Michiko Nishiwaki Yukihiro Minegishi Sujeong Yang Kodai Furuyama Tomoka Yamamoto Hiroyoshi Machida Yoko Shibata 《Respiratory investigation》2018,56(2):128-135
Background
The designation of some cardiac-specific proteins as prognostic biomarkers in chronic obstructive pulmonary disease (COPD) exacerbations suggest that the process of exacerbation involves cardiomyocyte injury. Among these cardiac biomarkers, heart-type fatty acid binding protein (h-FABP) is considered a very sensitive diagnostic marker for cardiomyocyte injury and a prognostic marker in chronic heart failure. However, the prognostic usefulness of h-FABP in patients with COPD remains unclear.Methods
Sixty-six patients were enrolled in this study. Subjects who recovered from COPD exacerbation and were discharged without needing home oxygen therapy were defined as the improved group. Those who died of the COPD exacerbations, were discharged but needed home oxygen therapy, or were transferred to a rehabilitation hospital for respiratory failure and the remaining aftereffects of exacerbation were defined as the unimproved group.Results
The improved and unimproved groups included 54 and 12 subjects, respectively. Compared with the improved group, the unimproved group had significantly higher white blood cell counts and alanine aminotransferase, lactate dehydrogenase, blood urea nitrogen (BUN), uric acid, potassium, and h-FABP levels, and significantly lower total protein and total cholesterol levels and estimated glomerular filtration rates, either at admission or during the early morning within 24 h after admission. A multivariate analysis revealed that higher serum h-FABP and potassium levels were independently predictive of a poor prognosis following a COPD exacerbation, and a receiver operating characteristic curve analysis yielded a cutoff of 4.5 ng/ml for predicting lack of improvement.Conclusion
H-FABP may predict the outcomes of COPD exacerbation. 相似文献14.
Amjad Sattar Sohail Ahmed Khan Nauman Al-Qamari Hatem Adel Syed Omair Adil Kashif Shafique 《Respiratory investigation》2018,56(4):342-348
Background
Chest computed tomography (CT), including high-resolution CT (HRCT), has become an integral part of modern healthcare. It enables the physician to arrive at a diagnosis using a noninvasive approach. Our practice has shown that various chest CT scans without intravenous (IV) contrast, including HRCT, have no proper clinical indication. For the same reason, we have assessed the appropriateness of chest CT without IV contrast based on the evidence-based American College of Radiology (ACR) appropriateness criteria.Methods
Chest CT scans without IV contrast were reviewed to evaluate if the examination was based upon the evidence-based ACR appropriateness criteria. All clinical indications, positive physical examination findings, laboratory test findings, and radiological records submitted at the time of chest CT were reviewed.Results
Of 1205 CT scans, 538 (44.6%) were considered “inappropriate,” 367 (30.4%) were considered “appropriate,” and 300 (24.8%) were considered “may be appropriate.” CT scans were performed on 241 (20.0%) patients with no clinical history, whereas 148 (12.3%) examinations in patients aged < 40 years were performed with no positive physical finding. Positive results that affected the management were 4.43 times more likely to be considered appropriate than inappropriate (adjusted odds ratio, 4.43; 95% confidence interval, 1.81–10.87).Conclusions
This study showed a high percentage of chest CT scans without IV contrast examinations not meeting the ACR appropriateness criteria. Chest CT is a valuable tool for evaluation of chest diseases only in the presence of adequate detailed history and physical examination. 相似文献15.
Keping Peng Zengnan Mo Guixiang Tian 《The American journal of the medical sciences》2017,353(3):236-241
Background
Dyslipidemia is a risk factor for nonalcoholic fatty liver disease (NAFLD). The aim of our study was to determine the associations of serum lipid indexes with NAFLD in adult males.Materials and Methods
In this cross-sectional study, 830 patients with NAFLD and 2,357 healthy individuals were assessed. Serum total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol and low-density lipoprotein cholesterol (LDL-C) levels were compared between patients with NAFLD and controls. The associations of dyslipidemia indexes with NAFLD occurrence were assessed by univariate analysis, and multivariate analysis was performed to identify independent dyslipidemia factors predictive of NAFLD.Results
Of the 3,187 study subjects, NAFLD occurred in 830 (26.04%), there were 504 (60.72%) patients with mild disease and 326 (39.28%) patients with moderate-to-severe disease. Although the frequency of normal TC, TG, LDL-C and high-density lipoprotein cholesterol levels in patients with NAFLD was similar to the controls, the frequencies of patients with NAFLD with marginally high and high TC, TG and LDL-C levels were significantly different when compared with controls. Interestingly, the association of the number of abnormal serum lipid indexes and NAFLD was highly significant with 2 abnormalities (odds ratio = 1.977; 95% CI: 1.436-2.722; P < 0.001) and ≥3 abnormalities (odds ratio = 3.505; 95% CI: 2.466-4.982; P < 0.001).Conclusions
A significant positive association was found between dyslipidemia characteristics and NAFLD in adult males. 相似文献16.
Yasuhiko Nakamura Keishi Sugino Masashi Kitani Akira Hebisawa Naobumi Tochigi Sakae Homma 《Respiratory investigation》2018,56(1):40-47
Background
The purpose of this study was to clarify the clinico-radio-pathological characteristics and prognostic factors of unclassifiable-idiopathic interstitial pneumonias (U-IIPs) diagnosed by surgical lung biopsy.Methods
Among 86 patients with interstitial pneumonia who underwent surgical lung biopsy from January 2005 to September 2013, 33 (38.4%; 16 male patients; mean age, 64.4 ± 8.8 years) were diagnosed with U-IIPs. They were subsequently categorized into rapidly progressive (n = 7), slowly progressive (n = 7), and stable (n = 19) groups based on the decrease of the percent predicted forced vital capacity or percent predicted diffusing capacity of the lung carbon monoxide and the occurrence of acute exacerbation. The clinico-radio-pathological features and survival rates of the patients who were followed up for at least 3 years were examined. These cases were reevaluated retrospectively by multidisciplinary discussion.Results
The rapidly progressive group had a significantly poorer prognosis than that of the other groups (p < 0.0001). Although there were no significant pattern differences on the chest high-resolution computed tomography, the fibrosis scores were significantly higher in the rapidly progressive group (p = 0.002). Furthermore, the percentage of fibroblastic foci assessed by the pathological analysis was also significantly higher in the rapidly progressive group (p = 0.006). Nine (27.3%) patients developed connective tissue diseases during follow-up.Conclusions
The radiologic patterns were not significantly different among the three clinical U-IIPs subgroups. Nevertheless, our findings suggested that the fibrosis scores and the percentage of fibroblastic foci could provide a prognostic assessment in U-IIPs. 相似文献17.
Yushu Wang Sui Zhu Peijuan Gao Yucheng Chen Qing Zhang 《The American journal of the medical sciences》2018,355(4):331-341
Background
The clinical outcomes of drug-eluting stents versus bare-metal stents in end-stage renal disease patients remains controversial.Methods
A comprehensive literature search of Pubmed, Embase and Cochrane Library from January 2000 until November 2016 was conducted to identify relevant articles. We pooled the odds ratios (OR) from individual studies and conducted heterogeneity, quality assessment and publication bias analyses.Results
A total of 18 studies with 44,194 patients were identified. Compared with bare-metal stent-treated patients, drug-eluting stent-treated patients had significantly lower short-term and long-term all-cause mortality (OR = 0.56; 95% CI: 0.48-0.65; P < 0.00001; OR = 0.78; 95% CI: 0.66-0.92; P = 0.004, respectively), myocardial infarction (OR = 0.69; 95% CI: 0.53-0.88; P = 0.003) and major adverse cardiac events (OR = 0.72; 95% CI: 0.58-0.90; P = 0.004), with no detectable difference regarding stent thrombosis (OR = 0.80; 95% CI: 0.43-1.49; P = 0.47), cardiac mortality (OR = 0.95; 95% CI: 0.89-1.02; P = 0.14) and repeat revascularization (OR = 0.81; 95% CI: 0.62-1.06; P = 0.13).Conclusions
In patients with end-stage renal disease, the use of drug-eluting stents could significantly reduce the rates of mortality, myocardial infarction and major adverse cardiac events without increased risk of stent thrombosis. It poses imperative demands for future prospective randomized studies to define the optimal stent choice in this high-risk population. 相似文献18.
B. Tate Cutshall Benjamin T. Duhart Jagannath Saikumar Michael Samarin Lydia Hutchison Joanna Q. Hudson 《The American journal of the medical sciences》2018,355(3):247-251
Background
Treatment of heart failure with reduced ejection fraction (HFrEF) requires guideline-directed medication therapy (GDMT) consisting of either an angiotensin-converting enzyme inhibitor or an angiotensin receptor blocker in combination with an indicated beta-blocker. There is concern that end-stage renal disease (ESRD) patients are not being prescribed GDMT. The study aim was to determine whether outcomes differ for patients with HFrEF and ESRD receiving GDMT compared to those not receiving GDMT.Materials and Methods
Adult patients with ESRD and HFrEF admitted to a tertiary teaching hospital over a 2-year period were included. Patients were categorized into GDMT or non-GDMT groups based on their home medications. The length of stay (LOS), mortality, and 30-day hospital readmissions were compared between groups. The incidence of hyperkalemia, hypotension and bradycardia were also evaluated.Results
A total of 109 patients were included: 88% African-American, 61% males, median age 63 (28-93) years with 25 in the GDMT group and 84 in the non-GDMT group. The LOS did not differ between the GDMT (5 days; 3-14) compared to the non-GDMT group (7 days; 3-28), P = 0.14. Thirty-day hospital readmission and in-hospital mortality were also similar. Hypotension occurred less frequently in the GDMT group compared to the non-GDMT group, 4% versus 27% (P = 0.01).Conclusions
Although there were no differences in the primary outcomes, the shorter LOS in the GDMT group may be clinically significant. The fact that most patients with ESRD and HFrEF were not receiving GDMT is a finding that requires further evaluation. 相似文献19.
Parasuram Krishnamoorthy Aditi Kalla Vincent M. Figueredo 《The American journal of the medical sciences》2018,355(5):425-427
Background
Epidemiologic studies suggest reduced cardiovascular disease (CVD) events with moderate alcohol consumption. However, heavy and binge drinking may be associated with higher CVD risk. Utilizing the Nationwide Inpatient Sample, we studied the association between a troublesome alcohol history (TAH), defined as those with diagnoses of both chronic alcohol syndrome and acute withdrawal history and CVD events.Methods
Patients >18 years with diagnoses of both chronic alcohol syndrome and acute withdrawal using the International Classification of Diseases-Ninth Edition-Clinical Modification (ICD-9-CM) codes 303.9 and 291.81, were identified in the Nationwide Inpatient Sample 2009-2010 database. Demographics, including age and sex, as well as CVD event rates were collected.Results
Patients with TAH were more likely to be male, with a smoking history and have hypertension, with less diabetes, hyperlipidemia and obesity. After multimodal adjusted regression analysis, odds of coronary artery disease, acute coronary syndrome, in-hospital death and heart failure were significantly lower in patients with TAH when compared to the general discharge patient population.Conclusions
Utilizing a large inpatient database, patients with TAH had a significantly lower prevalence of CVD events, even after adjusting for demographic and traditional risk factors, despite higher tobacco use and male sex predominance, when compared to the general patient population. 相似文献20.
Satoshi Sakamoto Masaki Okamoto Shinjiro Kaieda Kiminori Fujimoto Shuji Nagata Masaki Tominaga Masayuki Nakamura Yoshiaki Zaizen Takashi Nouno Takuma Koga Tomotaka Kawayama Masataka Kuwana Hiroaki Ida Tomoaki Hoshino 《Respiratory investigation》2018,56(6):464-472