Objective To evaluate the clinical characteristics and prognostic predictors of patients with diffuse alveolar hemorrhage(DAH)and/or interstitial lung disease(ILD)secondary to microscopic polyangiitis(MPA)in a Chinese...Objective To evaluate the clinical characteristics and prognostic predictors of patients with diffuse alveolar hemorrhage(DAH)and/or interstitial lung disease(ILD)secondary to microscopic polyangiitis(MPA)in a Chinese general hospital.Methods We retrospectively reviewed the medical records of MPA patients admitted to internal medicine departments between the year 2002 and 2012.The patients were divided into the ILD,DAH,DAH combined with ILD(DAHILD),and no pulmonary involvement(NPI)groups according to pulmonary involvement patterns.The clinical characteristics at diagnosis were analyzed.The risk factors associated with short-term death and long-term death were identified with Logistic regression and Cox analysis.Results Of 193 newly diagnosed MPA patients,181 patients were enrolled in the research,of which 19 had DAH alone,96 had ILD alone,18 had DAH and DAH concurrently,and 48 had NPI.The median of serum creatine level in the DAH group was 449μmol/L,significantly higher than that in the ILD group(123μmol/L,Nemenyi=-35.215,P=0.045)and DAHILD group(359μmol/L,Nemenyi=-43.609,P=0.007).The median follow-up time was 67(range:1-199)months.Patients in the ILD group were older than those in the DAH group(median:69 years vs.57 years,Nemenyi=43.853,P=0.005).The patients with both DAH and ILD had combined features of the two subtypes,and the highest mortality(72.2%at the end of follow-up).The elevated white blood cell count was a risk factor for short-term death(OR=1.103,95%CI:1.008-1.207,P=0.032 for one month;OR=1.103,95%CI:1.026-1.186,P=0.008 for one year).Old age(HR=1.044,95%CI:1.023-1.066,P<0.001),cardiovascular system involvement(HR=2.093,95%CI:1.195-3.665,P=0.010),poor renal function(HR=1.001,95%CI:1.000-1.002,P=0.032)were risk factors for long-term death.Pulmonary infections(38/54)were the leading causes of death,especially for the patients with ILD.Besides,49 patients suffered from pulmonary infections in the first year after diagnosis.Conclusions MPA patients who presented with different pulmonary involvement patterns have completely different clinical features.These subtypes probably have different pathogenesis and should be studied separately.展开更多
目的探讨纤维支气管镜肺活检(T BLB)、C-反应蛋白(C R P)与H R C T并结合临床用于诊断弥漫性肺疾病(D LD)的价值。方法回顾性分析该院2003年1月-2013年6月接受支气管镜肺活检(T BLB)并行血C R P监测的257例具有临床和病理诊断资料D LD...目的探讨纤维支气管镜肺活检(T BLB)、C-反应蛋白(C R P)与H R C T并结合临床用于诊断弥漫性肺疾病(D LD)的价值。方法回顾性分析该院2003年1月-2013年6月接受支气管镜肺活检(T BLB)并行血C R P监测的257例具有临床和病理诊断资料D LD患者。结果 257例D LD患者中行T BLB确诊138例(53.85%),病理诊断包括其中特发性间质性肺纤维化(IPF)50例,肺泡癌10例,肺结核15例,结节病10例,癌性淋巴管炎10例,肺泡蛋白沉积症5例,过敏性肺泡炎8例,非特异性间质性肺炎(N SIP)5例,结缔组织肺病10例,隐原性机化性肺炎(C O P)12例。特发性间质性肺炎、结缔组织肺病及结核血C R P明显升高。结论T BLB对弥漫性肺疾病有较高的诊断价值,安全性好,创伤小,临床、影像和病理诊断之间的统一和协调对临床难确诊的弥漫性肺疾病有着重要的意义。C R P对一些间质性肺病诊断提供了一定的数据依据。展开更多
文摘Objective To evaluate the clinical characteristics and prognostic predictors of patients with diffuse alveolar hemorrhage(DAH)and/or interstitial lung disease(ILD)secondary to microscopic polyangiitis(MPA)in a Chinese general hospital.Methods We retrospectively reviewed the medical records of MPA patients admitted to internal medicine departments between the year 2002 and 2012.The patients were divided into the ILD,DAH,DAH combined with ILD(DAHILD),and no pulmonary involvement(NPI)groups according to pulmonary involvement patterns.The clinical characteristics at diagnosis were analyzed.The risk factors associated with short-term death and long-term death were identified with Logistic regression and Cox analysis.Results Of 193 newly diagnosed MPA patients,181 patients were enrolled in the research,of which 19 had DAH alone,96 had ILD alone,18 had DAH and DAH concurrently,and 48 had NPI.The median of serum creatine level in the DAH group was 449μmol/L,significantly higher than that in the ILD group(123μmol/L,Nemenyi=-35.215,P=0.045)and DAHILD group(359μmol/L,Nemenyi=-43.609,P=0.007).The median follow-up time was 67(range:1-199)months.Patients in the ILD group were older than those in the DAH group(median:69 years vs.57 years,Nemenyi=43.853,P=0.005).The patients with both DAH and ILD had combined features of the two subtypes,and the highest mortality(72.2%at the end of follow-up).The elevated white blood cell count was a risk factor for short-term death(OR=1.103,95%CI:1.008-1.207,P=0.032 for one month;OR=1.103,95%CI:1.026-1.186,P=0.008 for one year).Old age(HR=1.044,95%CI:1.023-1.066,P<0.001),cardiovascular system involvement(HR=2.093,95%CI:1.195-3.665,P=0.010),poor renal function(HR=1.001,95%CI:1.000-1.002,P=0.032)were risk factors for long-term death.Pulmonary infections(38/54)were the leading causes of death,especially for the patients with ILD.Besides,49 patients suffered from pulmonary infections in the first year after diagnosis.Conclusions MPA patients who presented with different pulmonary involvement patterns have completely different clinical features.These subtypes probably have different pathogenesis and should be studied separately.
文摘目的探讨纤维支气管镜肺活检(T BLB)、C-反应蛋白(C R P)与H R C T并结合临床用于诊断弥漫性肺疾病(D LD)的价值。方法回顾性分析该院2003年1月-2013年6月接受支气管镜肺活检(T BLB)并行血C R P监测的257例具有临床和病理诊断资料D LD患者。结果 257例D LD患者中行T BLB确诊138例(53.85%),病理诊断包括其中特发性间质性肺纤维化(IPF)50例,肺泡癌10例,肺结核15例,结节病10例,癌性淋巴管炎10例,肺泡蛋白沉积症5例,过敏性肺泡炎8例,非特异性间质性肺炎(N SIP)5例,结缔组织肺病10例,隐原性机化性肺炎(C O P)12例。特发性间质性肺炎、结缔组织肺病及结核血C R P明显升高。结论T BLB对弥漫性肺疾病有较高的诊断价值,安全性好,创伤小,临床、影像和病理诊断之间的统一和协调对临床难确诊的弥漫性肺疾病有着重要的意义。C R P对一些间质性肺病诊断提供了一定的数据依据。
