Background: The purpose of this study was to evaluate the use of 18FDG-PET/CT in staging procedure, the pattern of failure and survival in patients with small-cell lung cancer limited disease (LD-SCLC) undergoing chem...Background: The purpose of this study was to evaluate the use of 18FDG-PET/CT in staging procedure, the pattern of failure and survival in patients with small-cell lung cancer limited disease (LD-SCLC) undergoing chemo-radiotherapy. Methods: A total of 79 LD-SCLC patients were treated with a combination of chemotherapy and chest radiotherapy. Radiotherapy of the tumour and the pathological lymph nodes was performed either as 45 Gy twice-daily or 46 - 50 Gy once-daily. 18Fluro-2-deoxy-D-glucose (18FDG)-PET/CT was performed in 35 patients as part of the staging procedure. Results: With a median follow-up time of 17 months 6% developed isolated loco-regional failures while 57% developed distant metastases. No isolated regional failures were seen. Median overall survival was 22 months. Patients staged with a 18FDG-PET/CT had a significantly lower incidence of distant failures and a significantly improved overall survival compared with patients only staged with a CT scan (p = 0.03) (median overall survival of 34 versus 17 months, respectively). Conclusion: The pattern of failure showed a high risk of distant metastases but a low incidence of isolated loco-regional failures. Patients staged with an 18FDG-PET/CT had a significantly lower incidence of distant failures and better overall survival, indicating that 18FDG-PET could be beneficial in patients with LD-SCLC before deciding on treatment regimen.展开更多
Lung cancer is a global health concern as the leading cause of cancer related mortality worldwide.Small cell lung cancer(SCLC)poses a formidable challenge to the treating physicians with the worst prognosis among all ...Lung cancer is a global health concern as the leading cause of cancer related mortality worldwide.Small cell lung cancer(SCLC)poses a formidable challenge to the treating physicians with the worst prognosis among all lung cancers.However,limited stage SCLC(LS-SCLC)has a relatively better outcome with multimodality management.Efforts have been focused on optimal integration of treatment modalities to achieve an improved therapeutic ratio for patients with LS-SCLC.While chemotherapy and thoracic radiation therapy(TRT)are primary components of initial management for LS-SCLC,there is no consensus on optimal timing of TRT.Within this context,we herein provide a concise overview of current evidence and future prospects regarding the optimal timing of thoracic irradiation for LS-SCLC in light of the literature.展开更多
Expiratory flow limitation(EFL), that is the inability of expiratory flow to increase in spite of an increase of the driving pressure, is a common and unrecognized occurrence during mechanical ventilation in a variety...Expiratory flow limitation(EFL), that is the inability of expiratory flow to increase in spite of an increase of the driving pressure, is a common and unrecognized occurrence during mechanical ventilation in a variety of intensive care unit conditions. Recent evidence suggests that the presence of EFL is associated with an increase in mortality, at least in acute respiratory distress syndrome(ARDS) patients, and in pulmonary complications in patients undergoing surgery. EFL is a major cause of intrinsic positive end-expiratory pressure(PEEPi), which in ARDS patients is heterogeneously distributed, with a consequent increase of ventilation/perfusion mismatch and reduction of arterial oxygenation. Airway collapse is frequently concomitant to the presence of EFL.When airways close and reopen during tidal ventilation, abnormally high stresses are generated that can damage the bronchiolar epithelium and uncouple small airways from the alveolar septa, possibly generating the small airways abnormalities detected at autopsy in ARDS. Finally, the high stresses and airway distortion generated downstream the choke points may contribute to parenchymal injury, but this possibility is still unproven. PEEP application can abolish EFL, decrease PEEPi heterogeneity, and limit recruitment/derecruitment.Whether increasing PEEP up to EFL disappearance is a useful criterion for PEEP titration can only be determined by future studies.展开更多
The association between chronic obstructive pulmonary disease(COPD) and lung cancer has long been a subject of intense debate. The high prevalence of COPD in elderly smokers inevitably strengthens their coincidence. I...The association between chronic obstructive pulmonary disease(COPD) and lung cancer has long been a subject of intense debate. The high prevalence of COPD in elderly smokers inevitably strengthens their coincidence. In addition to this contingent coincidence, recent studies have revealed a close association between the two diseases that is independent of the smoking history; that is, the existence of COPD is an independent risk factor for the development of lung cancer. Molecular-based evidence has been accumulating as a result of the efforts to explain the underlying mechanisms of this association. These mechanisms may include the following: the retention of airborne carcinogens followed by the activation of oncogenes and the suppression of tumor suppressor genes; the complex molecular mechanism associated with chronic inflammation in the distal airways of patients with COPD; the possible in-volvement of putative distal airway stem cells; and gel netic factors that are common to both COPD and lung cancer. The existence of COPD in patients with lung l cancer may potentially affect the process of diagnosis, surgical resection, radiotherapy, chemotherapy, and end-of-life care. The comprehensive management of COPD is extremely important for the appropriate treatment of lung cancer. Surgical resections with the aid of early interventions for COPD are often possible, even for patients with mild-to-moderate COPD. New challenges, such as lung cancer CT screening for individuals t at high risk, are now in the process of being implemented. Evaluating the risk of lung cancer in patients with COPD may be warranted in community-based lung cancer screening.展开更多
Patients who undergo pneumonectomy for lung cancer are at risk of recurrent disease and metachronous tumours in the remaining lung. Establishing a diagnosis can be difficult as biopsy may induce a pneumothorax, whilst...Patients who undergo pneumonectomy for lung cancer are at risk of recurrent disease and metachronous tumours in the remaining lung. Establishing a diagnosis can be difficult as biopsy may induce a pneumothorax, whilst resection is limited by remaining lung function. However, pneumonectomy should not be a contraindication to further lung resection. We report two cases of lung cancer resection in the residual lung 6 and 11 years following pneumonectomy respectively. A limited resection can be safely performed for a new pulmonary parenchymal lesion on a background of a previous pneumonectomy.展开更多
背景与目的癌痛严重影响患者体力活动、心理状态以及生活质量,甚至缩短患者生存时间,合理规范应用阿片类药物可有效控制癌痛。肺癌患者癌痛发病率高,需分析肺癌患者阿片类药物应用现状,以评估肺癌患者阿片类药物应用的合理性。方法回顾...背景与目的癌痛严重影响患者体力活动、心理状态以及生活质量,甚至缩短患者生存时间,合理规范应用阿片类药物可有效控制癌痛。肺癌患者癌痛发病率高,需分析肺癌患者阿片类药物应用现状,以评估肺癌患者阿片类药物应用的合理性。方法回顾性分析2018年6月-2019年6月北京协和医院呼吸与危重症医学科肺癌住院患者的临床资料,分析305例应用阿片类药物的肺癌癌痛患者的临床信息和用药信息。结果应用阿片类药物的肺癌患者影响因素分析中,年龄与阿片药物应用种类为主要影响因素。男性比例高于女性,且男性患者应用阿片药物种类多、年龄多集中在60岁-69岁之间。我院肺癌患者应用阿片类药物品种和结构符合要求,用药频率最高的为羟考酮缓释片,限定日费用(defined daily cost,DDC)排名第一位同时序号比为1,同步性好。吗啡片和吗啡注射液用量低,肺癌患者整体爆发痛(breakthrough cancer pain,BTcP)控制良好。阿片类药物整体应用合理(93.4%),不合理项目主要为爆发痛处置和用药频率不合理以及超剂量问题。结论应用阿片类药物的肺癌癌痛患者多为男性,老年男性癌痛更难于控制,需要加强关注。我院肺癌患者阿片类药物整体应用合理,但仍需关注BTcP处置、阿片类药物用药剂量和特殊人群用药等问题。展开更多
文摘Background: The purpose of this study was to evaluate the use of 18FDG-PET/CT in staging procedure, the pattern of failure and survival in patients with small-cell lung cancer limited disease (LD-SCLC) undergoing chemo-radiotherapy. Methods: A total of 79 LD-SCLC patients were treated with a combination of chemotherapy and chest radiotherapy. Radiotherapy of the tumour and the pathological lymph nodes was performed either as 45 Gy twice-daily or 46 - 50 Gy once-daily. 18Fluro-2-deoxy-D-glucose (18FDG)-PET/CT was performed in 35 patients as part of the staging procedure. Results: With a median follow-up time of 17 months 6% developed isolated loco-regional failures while 57% developed distant metastases. No isolated regional failures were seen. Median overall survival was 22 months. Patients staged with a 18FDG-PET/CT had a significantly lower incidence of distant failures and a significantly improved overall survival compared with patients only staged with a CT scan (p = 0.03) (median overall survival of 34 versus 17 months, respectively). Conclusion: The pattern of failure showed a high risk of distant metastases but a low incidence of isolated loco-regional failures. Patients staged with an 18FDG-PET/CT had a significantly lower incidence of distant failures and better overall survival, indicating that 18FDG-PET could be beneficial in patients with LD-SCLC before deciding on treatment regimen.
文摘Lung cancer is a global health concern as the leading cause of cancer related mortality worldwide.Small cell lung cancer(SCLC)poses a formidable challenge to the treating physicians with the worst prognosis among all lung cancers.However,limited stage SCLC(LS-SCLC)has a relatively better outcome with multimodality management.Efforts have been focused on optimal integration of treatment modalities to achieve an improved therapeutic ratio for patients with LS-SCLC.While chemotherapy and thoracic radiation therapy(TRT)are primary components of initial management for LS-SCLC,there is no consensus on optimal timing of TRT.Within this context,we herein provide a concise overview of current evidence and future prospects regarding the optimal timing of thoracic irradiation for LS-SCLC in light of the literature.
文摘Expiratory flow limitation(EFL), that is the inability of expiratory flow to increase in spite of an increase of the driving pressure, is a common and unrecognized occurrence during mechanical ventilation in a variety of intensive care unit conditions. Recent evidence suggests that the presence of EFL is associated with an increase in mortality, at least in acute respiratory distress syndrome(ARDS) patients, and in pulmonary complications in patients undergoing surgery. EFL is a major cause of intrinsic positive end-expiratory pressure(PEEPi), which in ARDS patients is heterogeneously distributed, with a consequent increase of ventilation/perfusion mismatch and reduction of arterial oxygenation. Airway collapse is frequently concomitant to the presence of EFL.When airways close and reopen during tidal ventilation, abnormally high stresses are generated that can damage the bronchiolar epithelium and uncouple small airways from the alveolar septa, possibly generating the small airways abnormalities detected at autopsy in ARDS. Finally, the high stresses and airway distortion generated downstream the choke points may contribute to parenchymal injury, but this possibility is still unproven. PEEP application can abolish EFL, decrease PEEPi heterogeneity, and limit recruitment/derecruitment.Whether increasing PEEP up to EFL disappearance is a useful criterion for PEEP titration can only be determined by future studies.
基金Supported by The Ministry of Education,Culture,Sports,Science and Technology of Japan
文摘The association between chronic obstructive pulmonary disease(COPD) and lung cancer has long been a subject of intense debate. The high prevalence of COPD in elderly smokers inevitably strengthens their coincidence. In addition to this contingent coincidence, recent studies have revealed a close association between the two diseases that is independent of the smoking history; that is, the existence of COPD is an independent risk factor for the development of lung cancer. Molecular-based evidence has been accumulating as a result of the efforts to explain the underlying mechanisms of this association. These mechanisms may include the following: the retention of airborne carcinogens followed by the activation of oncogenes and the suppression of tumor suppressor genes; the complex molecular mechanism associated with chronic inflammation in the distal airways of patients with COPD; the possible in-volvement of putative distal airway stem cells; and gel netic factors that are common to both COPD and lung cancer. The existence of COPD in patients with lung l cancer may potentially affect the process of diagnosis, surgical resection, radiotherapy, chemotherapy, and end-of-life care. The comprehensive management of COPD is extremely important for the appropriate treatment of lung cancer. Surgical resections with the aid of early interventions for COPD are often possible, even for patients with mild-to-moderate COPD. New challenges, such as lung cancer CT screening for individuals t at high risk, are now in the process of being implemented. Evaluating the risk of lung cancer in patients with COPD may be warranted in community-based lung cancer screening.
文摘Patients who undergo pneumonectomy for lung cancer are at risk of recurrent disease and metachronous tumours in the remaining lung. Establishing a diagnosis can be difficult as biopsy may induce a pneumothorax, whilst resection is limited by remaining lung function. However, pneumonectomy should not be a contraindication to further lung resection. We report two cases of lung cancer resection in the residual lung 6 and 11 years following pneumonectomy respectively. A limited resection can be safely performed for a new pulmonary parenchymal lesion on a background of a previous pneumonectomy.
文摘目的:探讨神经肌肉电刺激(neuromuscular electrical stimulation,NMES)肺康复训练联合全程个体化综合指导对运动受限的慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)患者的临床应用价值。方法:选取2022年1月—2023年2月萍乡市第二人民医院门诊肺康复治疗的60例运动受限的COPD患者进行研究,采用随机数字表法将入组患者分为试验组30例及对照组30例。对照组为常规治疗,包括氧疗、药物治疗、基础肺康复,未进行其他形式的下肢肌肉训练。试验组在常规治疗的基础上加用NMES肺康复训练及全程个体化综合指导。详细记录干预前、干预4、8周后两组血气分析、肺功能、6分钟步行试验、COPD患者自我评估测试(COPD assessment test,CAT)问卷、改良英国医学研究学会呼吸困难指数评分(modified British medical research council,mMRC)、医院焦虑抑郁量表(hospital anxiety and depression scale,HADS),并进行比较。结果:(1)组内对比,干预4、8周后,对照组血气分析、肺功能、6分钟步行试验优于干预前,差异均有统计学意义(P<0.05),CAT评分、mMRC分级、HADS评分与干预前相比,指标无明显改善,差异均无统计学意义(P>0.05);试验组血气分析、肺功能、6分钟步行试验、CAT评分、mMRC分级、HADS评分这六方面指标均优于干预前,差异均有统计学意义(P<0.05)。(2)组间对比,两组干预前,血气分析、肺功能、6分钟步行试验、CAT评分、m MRC分级、HADS评分差异均无统计学意义(P>0.05);干预4、8周后,试验组血气分析、肺功能指标、6分钟步行试验、CAT评分、mMRC分级均优于对照组,差异均有统计学意义(P<0.05);干预4、8周后,试验组HADS评分均低于对照组,指标均明显改善,差异均有统计学意义(P<0.05)。结论:对于运动受限的COPD患者实施NMES肺康复训练联合全程个体化综合指导患者临床获益大,能更好地改善运动受限的COPD患者的运动耐量、心理状态及肺功能。
文摘背景与目的癌痛严重影响患者体力活动、心理状态以及生活质量,甚至缩短患者生存时间,合理规范应用阿片类药物可有效控制癌痛。肺癌患者癌痛发病率高,需分析肺癌患者阿片类药物应用现状,以评估肺癌患者阿片类药物应用的合理性。方法回顾性分析2018年6月-2019年6月北京协和医院呼吸与危重症医学科肺癌住院患者的临床资料,分析305例应用阿片类药物的肺癌癌痛患者的临床信息和用药信息。结果应用阿片类药物的肺癌患者影响因素分析中,年龄与阿片药物应用种类为主要影响因素。男性比例高于女性,且男性患者应用阿片药物种类多、年龄多集中在60岁-69岁之间。我院肺癌患者应用阿片类药物品种和结构符合要求,用药频率最高的为羟考酮缓释片,限定日费用(defined daily cost,DDC)排名第一位同时序号比为1,同步性好。吗啡片和吗啡注射液用量低,肺癌患者整体爆发痛(breakthrough cancer pain,BTcP)控制良好。阿片类药物整体应用合理(93.4%),不合理项目主要为爆发痛处置和用药频率不合理以及超剂量问题。结论应用阿片类药物的肺癌癌痛患者多为男性,老年男性癌痛更难于控制,需要加强关注。我院肺癌患者阿片类药物整体应用合理,但仍需关注BTcP处置、阿片类药物用药剂量和特殊人群用药等问题。
