骨盆入口狭窄引起的梗阻性分娩 Obstructed labor due to pelvic inlet contraction
为骨盆出口狭窄引起的胎盆不称给予的孕产妇医疗 Maternal care for disproportion due to outlet contraction of pelvis
为骨盆入口狭窄引起的胎盆不称给予的孕产妇医疗 Maternal care for disproportion due to inlet contraction of pelvis
观察环行镍钛合金支架在全喉切除术后预防气管造口狭窄的临床疗效。
To observe the clinical effect of circular nickel titanium alloy stent after total laryngectomy on preventing tracheostomal stenosis.
目的：提高二维及多普勒超声对肺动脉口狭窄的诊断正确率，降低漏诊率。
Objective: to improve the diagnostic rate of pulmonic stenosis using two dimensional and Doppler echocardiography and to reduce the rate of misdiagnosis.
环形镍钛合金支架在气管造口成形中起到了环状软骨样的支撑作用，有效地防止全喉切除术后气管造口狭窄的发生。
Application of circular nickel titanium alloy stent in tracheostomy, which exerts a supporting effect of cricoid cartilage, can effectively prevent the tracheostomal stenosis after total laryngectomy.
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