| 时博,李士星,张尧,鞠浩,冯舒.应用段动脉阻力指数早期评价小儿肾积水手术后疗效[J].中国医学影像技术,2011,27(12):2498~2501 |
| 应用段动脉阻力指数早期评价小儿肾积水手术后疗效 |
| Early evaluation on curative effect of pediatric hydronephrosis with segmental artery resistance index |
| 投稿时间：2011-05-13 修订日期：2011-08-11 |
| DOI： |
| 中文关键词: 段动脉 阻力指数 肾实质厚度 小儿 肾积水 |
| 英文关键词:Segmental artery Resistance index Renal parenchyma thickness Pediatric Hydronephrosis |
| 基金项目: |
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| 中文摘要: |
| 目的 探讨应用段动脉阻力指数(RI)、肾实质厚度(RPT)早期评价小儿肾积水手术疗效的临床可行性。方法 对32例接受手术治疗的单侧肾积水患儿于术前、术后2个月进行静脉尿路造影(IVU)检查,确定肾积水程度,术后恢复情况;手术前及手术后9天、2个月、6个月、1年分别进行彩超检查,测量患侧肾脏RPT、段动脉RI,并进行比较分析。结果 32例患儿中,其中14例为中度肾积水(中度肾积水组),18例为重度肾积水(重度肾积水组),术后2个月复查IVU均提示梗阻解除;患侧RPT均明显低于健侧(P均<0.01),且重度肾积水组明显低于中度肾积水组(P<0.01);中、重度肾积水组患侧肾段动脉RI均高于健侧(P均<0.01),重度肾积水组高于中度重度肾积水组(P<0.05);术后9天患侧RPT无明显变化(P均>0.05),中、重度组间差异有统计学意义(P<0.01);术后9天患侧肾段动脉RI均较术前减低(P均<0.05),中、重度肾积水组间患侧肾术后段动脉RI差异无统计学意义(P均>0.05)。结论 段动脉RI术后9天较术前减低,间接提示小儿肾积水患侧肾脏梗阻解除,可作为一种早期评价小儿肾积水手术后疗效的方法。 |
| 英文摘要: |
| Objective To assess the clinical feasibility of early evaluation on curative effect of surgical operation for pediatric hydronephrosis with segmental artery resistance index (RI) and renal parenchymal thickness (RPT). Methods Totally 32 pediatric patients with unilateral hydronephrosis underwent surgical operation. All 32 patients underwent intravenous urography (IVU) before and 2 months after surgery to determine the grade of hydronephrosis and postoperative recovery. Ultrasonography was performed to measure the RPT and segmental artery RI of diseased kidney before and 9 days, 2 months, 6 months and 1 year after surgery, and the results were compared and analyzed. Results Among 32 patients, 14 were moderate hydronephrosis (moderate hydronephrosis group), 18 were severe hydronephrosis (severe hydronephrosis group). The obstruction was relieved according to the result of IVU 2 months after surgery. The diseased RPT was significantly lower than healthy side (both P<0.01), and RPT of severe hydronephrosis group was significantly lower than that of the moderate hydronephrosis group (P<0.01). The segmental artery RI of diseased kidney in both moderate and severe hydronephrosis were higher than healthy side (both P<0.01), and RI of severe hydronephrosis group was higher than that of the moderate hydronephrosis group (P<0.05). The diseased RPT was no significant changed 9 days after surgery (both P>0.05), and the changes were apparent between moderate and severe hydronephrosis groups (P<0.01). The segmental artery RI of diseased kidney reduced 9 days after surgery than before (both P<0.05), and there was no significant difference between moderate and severe hydronephrosis group (both P>0.05). Conclusion The segmental artery RI of diseased kidney of hydronephrosis patients reduced 9 days after surgery than before, indirectly suggesting that the obstruction had been relieved. The segmental artery RI can be used as an index to early evaluate surgical curative effect of pediatric hydronephrosis. |
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