慢性阻塞性肺病的原发性原因是烟草烟雾(包括二手烟或被动接触)。
The primary cause of COPD is tobacco smoke (including second-hand or passive exposure). Other risk factors include.
慢性阻塞性肺病的原发性原因是烟草烟雾（通过烟草使用或二手烟雾）。
The primary cause of COPD is tobacco smoke (through tobacco use or second-hand smoke).
但研究表明，大部分不孕症的原因是由男方或女方生殖系统的病变所引起的，心理因素很少成为原发性病因。
But research shows that most infertility is the result of physical problems in a man's or woman's reproductive system, and psychological factors are rarely the primary cause.
讨论了动—静脉分流产生的原因和在原发性肝癌治疗上的价值。
The cause of arterio-portal shunt and its significance in treatment were discussed.
目的：探讨高度近视合并原发性开角型青光眼的误诊原因。
Objective: To investigate the cause of misdiagnosis of high myopia (HM) combined with primary open-angle glaucoma (POAG).
目的评价非穿透小梁手术治疗原发性开角型青光眼(POAG)的远期疗效与失败原因。
Objective To evaluate the long term curative effectiveness and the failure cause of the nonpenetrating trabecular surgery (NPTS) for primary open Angle glaucoma (POAG).
甲状旁腺腺瘤是引起原发性甲状旁腺功能亢进最常见的原因。
Here is a parathyroid adenoma, which is the most common cause for primary hyperparathyroidism.
远期主要死亡原因：上消化道大出血15例，肝功能衰竭23例，并发原发性肝癌7例。
The long-term major dead causes were as follows:upper gastrointestinal tract hemorrhage(15 cases), liver failure(23 cases) and subsequent primary hepatic cancer(7 cases).
原发性闭经是一种原因复杂的疾病，染色体异常则是发病的主要原因。
The reason for primary amenorrhea is very complicated. One of the main causes is chromosome anomalies.
目的探讨原发性高血压患者应用抗高血压药物不良事件及其原因。
Objective To explore cause of adverse events in patients with essential hypertension treated with anti-hypertension drugs.
目的：对原发性肝癌患者腹腔游离癌细胞进行定性研究，探讨术后腹腔种植的原因及防治方法。
Objective: to detect the intraperitoneal free cancer cells (IFCC) through intraoperative peritoneal washing cytology, as to study the probable reason of intraperitoneal metastases.
方法：报告10例原发性气管肿瘤的临床资料，通过对典型病例的分析，找出误诊的原因。
Method: the clinical data of 10 cases of primary tracheal neoplasms were analyzed to find out the cause of misdiagnosis.
报告10例原发性气管肿瘤的临床资料，通过对典型病例的分析，找出误诊的原因。
The clinical data of 10 cases of primary tracheal neoplasms were analyzed to find out the cause of misdiagnosis.
原发性低颅压有明显的影像学改变，其根本原因是脑脊液容量减少和脑组织移位。
SIH have obvious of the image change, it basic reason is the brain ridge liquid capacity de- crease and brain organization move.
前言：目的：分析原发性甲状旁腺功能亢进症的误诊原因，以提高本病临床诊断率。
Objective: to analyze the cause of misdiagnosis in primary hyperparathyroidism, in order to improve the clinical diagnosis.
原发性高血压是给找不到原因的高血压类型的名称。
Essential hypertension is the name given to the type of hypertension for which no cause can be found.
目的：对国内文献中原发性醛固酮增多症的误诊原因进行回顾性分析。
Objective: Retrospective analysis for the misdiagnosis causes of primary hyperaldosteronism about our country's literature.
目的：分析原发性气管肿瘤的误诊原因，提高早期诊断率。
Objective: to analyze the cause of misdiagnosis of primary tracheal neoplasms and to improve the diagnosis rate.
目的探讨影响原发性高血压患者服药依从性的原因及提高服药依从性的方法。
Objective To explore the causes that influence the medicine-taking compliance in the management of the patients with primary hypertension.
目的：分析原发性输卵管癌的误诊原因。
Objective: To analyze the cause for misdiagnosis of primary fallopian tube carcinoma (PFTC).
结论原发性高血压患者血压控制正常后仍然存在大动脉顺应性减退，大动脉的顺应性减退是导致肾脏功能储备和肾脏有效血流量储备功能下降的原因之一。
Conclusion The decreased aortic compliance continues in EP patients after their blood pressure has been controlled, which maybe one of the reasons for the decreased RFR and ERPFR.
目的探讨原发性甲状腺机能亢进症（ 甲亢）术后甲状腺功能异常的各种原因。
Objective To investigate the causes of thyroid function after subtotal resection for primary hyperthyroidism (PHT).
人脊柱相关结构的神经末梢受刺激时，促使NO的释放和传递可能是引起原发性腰痛的原因之一。
When stimulating the nerve endings in the constitution of human spinal column, impelling the nerve endings to liberate and transmit of NO, it maybe one of reasons which caused primary low back pain.
不明原因的高血压称为特发性或原发性高血压。
Hypertension for which no recognizable cause can be found is called essential or idiopathic.
目的探讨原发性胆囊癌的误诊原因及高危因素，加强对本病的早期诊断和防治。
Objective:To study the causes of misdiagnosis and high-risk factors of gallbladder carcinoma.
目的探讨原发性十二指肠肿瘤的临床特点、发病原因、诊断与治疗方法。
Objective To investigate the clinical features, pathogenesis and diagnostic and therapeutic methods of primary duodenal tumors.
结论：原发性骨质疏松是引起中老年性腰腿痛的原因之一。
Conclusion: Primary osteoporosis may be one of the causes of lumbar pain syndromes in elder persons.
结论：原发性骨质疏松是引起中老年性腰腿痛的原因之一。
Conclusion: Primary osteoporosis may be one of the causes of lumbar pain syndromes in elder persons.
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